====================================== | [ 7.788532][ T213] softirqs last disabled at (0): 0x0 | [ 7.788534][ T213] Preemption disabled at: | [ 7.788535][ T213] 0x0 | [ 7.788543][ T213] Tainted: [W]=WARN [ 7.788544][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.788546][ T213] Call Trace: [ 7.788547][ T213] [ 7.788548][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 7.788555][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 7.788559][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 7.788563][ T213] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 7.788566][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.788570][ T213] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 7.788573][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.788576][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.788581][ T213] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 7.788583][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.788586][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 7.788587][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 7.788589][ T213] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 7.788593][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 7.788598][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 7.788599][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.788601][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.788603][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 7.788606][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 7.788608][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.788609][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.788610][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.788612][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.788614][ T213] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 7.788616][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 7.788618][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 7.788621][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 7.788623][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.788625][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 7.788627][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.788627][ T213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 7.788629][ T213] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 7.788630][ T213] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 7.788632][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 7.788634][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 7.788636][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 7.788637][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 7.788639][ T213] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 7.788640][ T213] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 7.788643][ T213] _printk (kernel/printk/printk.c:2504) [ 7.788646][ T213] ? snapshot_read.cold (user.c:?) [ 7.788648][ T213] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 7.788650][ T213] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 7.788651][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.788654][ T213] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 7.788656][ T213] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 7.788659][ T213] ? exit_notify (kernel/exit.c:780) [ 7.788660][ T213] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 7.788663][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.788665][ T213] do_group_exit (kernel/exit.c:1151) [ 7.788667][ T213] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 7.788668][ T213] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 7.788671][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 7.788675][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 7.788677][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.788679][ T213] RIP: 0033:0x7f99a6dfd1b8 [ 7.788681][ T213] Code: Unable to access opcode bytes at 0x7f99a6dfd18e. Code starting with the faulting instruction =========================================== [ 7.788682][ T213] RSP: 002b:00007ffd268a8a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 7.788686][ T213] RAX: ffffffffffffffda RBX: 00007f99a6f2df88 RCX: 00007f99a6dfd1b8 [ 7.788687][ T213] RDX: 00007f99a6b47fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 7.788689][ T213] RBP: 00007ffd268a8ae0 R08: 0000000000000000 R09: 0000000000008010 [ 7.788689][ T213] R10: 00007ffd268a88a0 R11: 0000000000000246 R12: 0000000000000001 [ 7.788690][ T213] R13: 0000000000000000 R14: 00007f99a6f2c680 R15: 00007f99a6f2dfa0 | [ 9.156016][ T285] softirqs last disabled at (0): 0x0 | [ 9.156018][ T285] Preemption disabled at: | [ 9.156018][ T285] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.156029][ T285] Tainted: [W]=WARN [ 9.156030][ T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.156032][ T285] Call Trace: [ 9.156033][ T285] [ 9.156035][ T285] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.156040][ T285] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.156042][ T285] __might_resched.cold (kernel/sched/core.c:9234) [ 9.156045][ T285] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 9.156047][ T285] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.156051][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156053][ T285] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.156056][ T285] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.156059][ T285] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.156064][ T285] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.156066][ T285] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.156068][ T285] put_chars (drivers/char/virtio_console.c:1176) [ 9.156070][ T285] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.156072][ T285] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 9.156074][ T285] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.156079][ T285] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.156081][ T285] ? vsnprintf (lib/vsprintf.c:2900) [ 9.156084][ T285] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.156085][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156086][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156088][ T285] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.156091][ T285] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.156093][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156094][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156095][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156096][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.156098][ T285] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.156100][ T285] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.156102][ T285] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.156105][ T285] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.156107][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.156108][ T285] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.156110][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156111][ T285] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.156112][ T285] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.156114][ T285] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 9.156115][ T285] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.156117][ T285] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.156119][ T285] vprintk_emit (kernel/printk/printk.c:2479) [ 9.156120][ T285] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.156122][ T285] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.156123][ T285] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.156126][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.156128][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156129][ T285] _printk (kernel/printk/printk.c:2504) [ 9.156132][ T285] ? snapshot_read.cold (user.c:?) [ 9.156134][ T285] ? br_multicast_flood (??:?) [ 9.156138][ T285] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 9.156140][ T285] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 9.156141][ T285] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.156143][ T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 9.156146][ T285] br_init_port (net/bridge/br_stp_if.c:39) [ 9.156148][ T285] new_nbp (net/bridge/br_if.c:449) [ 9.156150][ T285] br_add_if (net/bridge/br_if.c:592) [ 9.156152][ T285] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 9.156156][ T285] do_set_master (net/core/rtnetlink.c:3071) [ 9.156158][ T285] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 9.156159][ T285] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 9.156161][ T285] ? __dev_get_by_name (net/core/dev.c:905) [ 9.156162][ T285] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 9.156168][ T285] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 9.156171][ T285] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.156173][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156174][ T285] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.156175][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.156177][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156178][ T285] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 9.156181][ T285] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.156183][ T285] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 9.156185][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156186][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.156187][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156189][ T285] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.156190][ T285] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.156192][ T285] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.156193][ T285] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.156194][ T285] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 9.156198][ T285] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.156201][ T285] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.156202][ T285] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.156203][ T285] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.156205][ T285] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 9.156208][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156209][ T285] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.156211][ T285] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.156213][ T285] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.156215][ T285] ? next_uptodate_folio (mm/filemap.c:3747) [ 9.156218][ T285] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.156220][ T285] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.156223][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.156224][ T285] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 9.156228][ T285] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.156231][ T285] ____sys_sendmsg (net/socket.c:2713) [ 9.156232][ T285] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.156234][ T285] ? sock_write_iter (net/socket.c:1269) [ 9.156235][ T285] ? move_addr_to_kernel (net/socket.c:258) [ 9.156238][ T285] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 9.156240][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.156242][ T285] ___sys_sendmsg (net/socket.c:2767) [ 9.156243][ T285] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 9.156245][ T285] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.156247][ T285] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 9.156252][ T285] __sys_sendmsg (net/socket.c:2799) [ 9.156254][ T285] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.156256][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156257][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.156259][ T285] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.156262][ T285] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.156264][ T285] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.156266][ T285] RIP: 0033:0x7f062ffdc54e [ 9.156268][ T285] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 9.156269][ T285] RSP: 002b:00007ffd30447b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.156273][ T285] RAX: ffffffffffffffda RBX: 00007ffd30448318 RCX: 00007f062ffdc54e [ 9.156275][ T285] RDX: 0000000000000000 RSI: 00007ffd30447c00 RDI: 0000000000000005 [ 9.156275][ T285] RBP: 00007ffd30447b60 R08: 0000000000000000 R09: 0000000000000000 [ 9.156276][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913942 [ 9.156277][ T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd304482d0 | [ 10.338699][ T341] softirqs last disabled at (0): 0x0 | [ 10.338701][ T341] Preemption disabled at: | [ 10.338702][ T341] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.338711][ T341] Tainted: [W]=WARN [ 10.338712][ T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.338714][ T341] Call Trace: [ 10.338716][ T341] [ 10.338717][ T341] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.338722][ T341] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.338724][ T341] __might_resched.cold (kernel/sched/core.c:9234) [ 10.338727][ T341] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 10.338729][ T341] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.338732][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338735][ T341] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.338738][ T341] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.338740][ T341] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.338745][ T341] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.338747][ T341] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.338750][ T341] put_chars (drivers/char/virtio_console.c:1176) [ 10.338751][ T341] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.338753][ T341] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 10.338756][ T341] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.338761][ T341] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.338763][ T341] ? vsnprintf (lib/vsprintf.c:2900) [ 10.338766][ T341] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.338767][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338768][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338770][ T341] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.338773][ T341] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.338775][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338776][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338777][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338778][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.338781][ T341] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.338783][ T341] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.338785][ T341] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.338788][ T341] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.338790][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.338792][ T341] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.338794][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338795][ T341] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.338796][ T341] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.338798][ T341] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 10.338799][ T341] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.338801][ T341] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.338803][ T341] vprintk_emit (kernel/printk/printk.c:2479) [ 10.338805][ T341] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.338806][ T341] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.338807][ T341] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.338811][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.338812][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338814][ T341] _printk (kernel/printk/printk.c:2504) [ 10.338816][ T341] ? snapshot_read.cold (user.c:?) [ 10.338819][ T341] ? br_multicast_flood (??:?) [ 10.338822][ T341] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 10.338825][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 10.338826][ T341] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.338828][ T341] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.338831][ T341] br_init_port (net/bridge/br_stp_if.c:39) [ 10.338832][ T341] new_nbp (net/bridge/br_if.c:449) [ 10.338835][ T341] br_add_if (net/bridge/br_if.c:592) [ 10.338837][ T341] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 10.338841][ T341] do_set_master (net/core/rtnetlink.c:3071) [ 10.338843][ T341] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 10.338844][ T341] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 10.338846][ T341] ? __dev_get_by_name (net/core/dev.c:905) [ 10.338848][ T341] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 10.338858][ T341] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 10.338861][ T341] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.338863][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338864][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.338865][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.338867][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338868][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 10.338871][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.338873][ T341] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 10.338875][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338876][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.338878][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338879][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.338880][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.338882][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.338883][ T341] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.338885][ T341] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.338888][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.338891][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.338892][ T341] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.338894][ T341] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.338895][ T341] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 10.338899][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338900][ T341] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.338902][ T341] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.338904][ T341] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.338906][ T341] ? next_uptodate_folio (mm/filemap.c:3747) [ 10.338909][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.338911][ T341] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.338913][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.338914][ T341] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.338918][ T341] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.338921][ T341] ____sys_sendmsg (net/socket.c:2713) [ 10.338923][ T341] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.338924][ T341] ? sock_write_iter (net/socket.c:1269) [ 10.338926][ T341] ? move_addr_to_kernel (net/socket.c:258) [ 10.338928][ T341] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 10.338930][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.338932][ T341] ___sys_sendmsg (net/socket.c:2767) [ 10.338934][ T341] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 10.338935][ T341] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.338937][ T341] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 10.338942][ T341] __sys_sendmsg (net/socket.c:2799) [ 10.338944][ T341] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.338947][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338948][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.338949][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.338952][ T341] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.338954][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.338956][ T341] RIP: 0033:0x7efffbb3954e [ 10.338958][ T341] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.338959][ T341] RSP: 002b:00007ffc83db9860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.338963][ T341] RAX: ffffffffffffffda RBX: 00007ffc83dba028 RCX: 00007efffbb3954e [ 10.338964][ T341] RDX: 0000000000000000 RSI: 00007ffc83db9910 RDI: 0000000000000005 [ 10.338965][ T341] RBP: 00007ffc83db9870 R08: 0000000000000000 R09: 0000000000000000 [ 10.338966][ T341] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913943 [ 10.338967][ T341] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc83db9fe0 | [ 17.440007][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 17.440009][ T12] Preemption disabled at: | [ 17.440009][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.440020][ T12] Tainted: [W]=WARN [ 17.440021][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.440023][ T12] Workqueue: netns cleanup_net [ 17.440029][ T12] Call Trace: [ 17.440030][ T12] [ 17.440032][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.440037][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.440038][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 17.440042][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 17.440044][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.440047][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440050][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.440053][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.440056][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.440061][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.440062][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.440065][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 17.440066][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.440068][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 17.440070][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.440075][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.440077][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 17.440079][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.440081][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440082][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440083][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.440086][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.440088][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440089][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440090][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440091][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.440093][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 17.440094][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.440097][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.440099][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.440101][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.440103][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.440104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440105][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 17.440107][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 17.440108][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 17.440110][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.440112][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.440113][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 17.440115][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.440116][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 17.440117][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.440120][ T12] ? kthread (kernel/kthread.c:436) [ 17.440122][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 17.440124][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 17.440127][ T12] _printk (kernel/printk/printk.c:2504) [ 17.440130][ T12] ? snapshot_read.cold (user.c:?) [ 17.440132][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 17.440135][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 17.440138][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 17.440140][ T12] ? netdev_notice (net/core/dev.c:13194) [ 17.440142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440143][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 17.440144][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 17.440147][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 17.440148][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 17.440150][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 17.440152][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 17.440154][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 17.440158][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 17.440160][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 17.440162][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 17.440167][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 17.440169][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 17.440172][ T12] cleanup_net (net/core/net_namespace.c:706) [ 17.440174][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 17.440176][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.440177][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.440179][ T12] process_one_work (kernel/workqueue.c:3387) [ 17.440182][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.440184][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.440186][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.440188][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.440191][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.440193][ T12] kthread (kernel/kthread.c:436) [ 17.440194][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.440196][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.440198][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.440199][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.440201][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.440204][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.440206][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.672227][ T567] softirqs last disabled at (0): 0x0 | [ 18.672229][ T567] Preemption disabled at: | [ 18.672229][ T567] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.672239][ T567] Tainted: [W]=WARN [ 18.672240][ T567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.672242][ T567] Call Trace: [ 18.672243][ T567] [ 18.672244][ T567] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.672250][ T567] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.672251][ T567] __might_resched.cold (kernel/sched/core.c:9234) [ 18.672255][ T567] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 18.672257][ T567] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.672261][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672263][ T567] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.672266][ T567] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.672269][ T567] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.672274][ T567] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.672275][ T567] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.672278][ T567] put_chars (drivers/char/virtio_console.c:1176) [ 18.672280][ T567] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.672281][ T567] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 18.672284][ T567] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.672288][ T567] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.672290][ T567] ? vsnprintf (lib/vsprintf.c:2900) [ 18.672293][ T567] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.672295][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672295][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672297][ T567] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.672300][ T567] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.672302][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672303][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672304][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672305][ T567] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.672307][ T567] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 18.672309][ T567] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.672311][ T567] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.672314][ T567] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.672316][ T567] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.672317][ T567] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.672319][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672320][ T567] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.672321][ T567] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 18.672323][ T567] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 18.672324][ T567] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.672326][ T567] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.672328][ T567] vprintk_emit (kernel/printk/printk.c:2479) [ 18.672329][ T567] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.672331][ T567] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.672332][ T567] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 18.672335][ T567] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.672336][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672338][ T567] _printk (kernel/printk/printk.c:2504) [ 18.672341][ T567] ? snapshot_read.cold (user.c:?) [ 18.672342][ T567] ? br_multicast_flood (??:?) [ 18.672346][ T567] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 18.672349][ T567] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 18.672350][ T567] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 18.672352][ T567] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.672354][ T567] br_init_port (net/bridge/br_stp_if.c:39) [ 18.672356][ T567] new_nbp (net/bridge/br_if.c:449) [ 18.672358][ T567] br_add_if (net/bridge/br_if.c:592) [ 18.672360][ T567] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 18.672364][ T567] do_set_master (net/core/rtnetlink.c:3071) [ 18.672366][ T567] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 18.672367][ T567] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 18.672368][ T567] ? __dev_get_by_name (net/core/dev.c:905) [ 18.672370][ T567] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 18.672374][ T567] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 18.672377][ T567] rtnl_newlink (net/core/rtnetlink.c:4215) [ 18.672378][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672380][ T567] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 18.672381][ T567] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.672382][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672384][ T567] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 18.672386][ T567] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 18.672388][ T567] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 18.672390][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672391][ T567] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.672392][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672394][ T567] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 18.672395][ T567] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 18.672396][ T567] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 18.672398][ T567] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 18.672399][ T567] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 18.672403][ T567] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 18.672406][ T567] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 18.672407][ T567] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.672408][ T567] ? netlink_ack (./include/linux/skbuff.h:2718) [ 18.672410][ T567] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 18.672413][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672414][ T567] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.672416][ T567] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 18.672418][ T567] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.672420][ T567] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 18.672422][ T567] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 18.672425][ T567] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 18.672427][ T567] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.672429][ T567] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.672431][ T567] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 18.672434][ T567] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 18.672437][ T567] ____sys_sendmsg (net/socket.c:2713) [ 18.672438][ T567] ? copy_msghdr_from_user (net/socket.c:2650) [ 18.672440][ T567] ? sock_write_iter (net/socket.c:1269) [ 18.672441][ T567] ? move_addr_to_kernel (net/socket.c:258) [ 18.672443][ T567] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 18.672446][ T567] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.672448][ T567] ___sys_sendmsg (net/socket.c:2767) [ 18.672450][ T567] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 18.672451][ T567] ? copy_msghdr_from_user (net/socket.c:2619) [ 18.672453][ T567] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 18.672458][ T567] __sys_sendmsg (net/socket.c:2799) [ 18.672460][ T567] ? __sys_sendmsg_sock (net/socket.c:2780) [ 18.672462][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672464][ T567] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.672465][ T567] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.672467][ T567] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.672469][ T567] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.672471][ T567] RIP: 0033:0x7f279f4c654e [ 18.672473][ T567] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 18.672475][ T567] RSP: 002b:00007ffe428e12f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.672478][ T567] RAX: ffffffffffffffda RBX: 00007ffe428e1ab8 RCX: 00007f279f4c654e [ 18.672480][ T567] RDX: 0000000000000000 RSI: 00007ffe428e13a0 RDI: 0000000000000005 [ 18.672480][ T567] RBP: 00007ffe428e1300 R08: 0000000000000000 R09: 0000000000000000 [ 18.672481][ T567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91394b [ 18.672482][ T567] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe428e1a70 | [ 20.063289][ T635] softirqs last disabled at (0): 0x0 | [ 20.063291][ T635] Preemption disabled at: | [ 20.063292][ T635] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.063302][ T635] Tainted: [W]=WARN [ 20.063303][ T635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.063305][ T635] Call Trace: [ 20.063306][ T635] [ 20.063307][ T635] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.063313][ T635] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.063314][ T635] __might_resched.cold (kernel/sched/core.c:9234) [ 20.063318][ T635] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.063321][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063323][ T635] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 20.063326][ T635] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.063329][ T635] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.063334][ T635] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.063336][ T635] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.063338][ T635] put_chars (drivers/char/virtio_console.c:1176) [ 20.063340][ T635] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.063341][ T635] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 20.063343][ T635] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 20.063345][ T635] ? pointer (lib/vsprintf.c:2577) [ 20.063349][ T635] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.063353][ T635] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.063355][ T635] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.063357][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.063360][ T635] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.063362][ T635] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.063364][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063365][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063366][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063367][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.063369][ T635] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 20.063371][ T635] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.063373][ T635] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.063376][ T635] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.063378][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.063379][ T635] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.063381][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063382][ T635] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.063384][ T635] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 20.063385][ T635] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 20.063386][ T635] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.063388][ T635] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.063390][ T635] vprintk_emit (kernel/printk/printk.c:2479) [ 20.063391][ T635] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.063392][ T635] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 20.063395][ T635] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.063398][ T635] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 20.063400][ T635] _printk (kernel/printk/printk.c:2504) [ 20.063403][ T635] ? snapshot_read.cold (user.c:?) [ 20.063405][ T635] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 20.063407][ T635] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.063411][ T635] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.063413][ T635] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.063415][ T635] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.063418][ T635] ? netdev_notice (net/core/dev.c:13194) [ 20.063420][ T635] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 20.063421][ T635] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 20.063424][ T635] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.063426][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063426][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063427][ T635] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.063429][ T635] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 20.063430][ T635] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 20.063432][ T635] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.063433][ T635] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 20.063435][ T635] ? register_netdev (net/core/dev.c:11618) [ 20.063436][ T635] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.063438][ T635] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 20.063441][ T635] ? __kernel_text_address (kernel/extable.c:79) [ 20.063445][ T635] ? write_profile (profile.c:?) [ 20.063449][ T635] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.063452][ T635] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.063454][ T635] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 20.063455][ T635] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 20.063457][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063458][ T635] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 20.063461][ T635] ? kasan_save_stack (mm/kasan/common.c:58) [ 20.063463][ T635] ? kasan_save_stack (mm/kasan/common.c:57) [ 20.063464][ T635] ? kasan_save_track (mm/kasan/common.c:78) [ 20.063465][ T635] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 20.063466][ T635] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 20.063467][ T635] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 20.063468][ T635] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.063470][ T635] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.063472][ T635] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.063474][ T635] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.063475][ T635] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 20.063478][ T635] ? ____sys_sendmsg (net/socket.c:2713) [ 20.063479][ T635] ? ___sys_sendmsg (net/socket.c:2767) [ 20.063481][ T635] ? __sys_sendmsg (net/socket.c:2799) [ 20.063482][ T635] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.063484][ T635] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.063487][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063488][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.063490][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063490][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063491][ T635] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 20.063493][ T635] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 20.063494][ T635] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.063495][ T635] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.063497][ T635] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 20.063498][ T635] ? nla_get_range_signed (lib/nlattr.c:270) [ 20.063501][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063502][ T635] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 20.063504][ T635] rtnl_newlink (net/core/rtnetlink.c:4215) [ 20.063506][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063507][ T635] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.063508][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.063510][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063511][ T635] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 20.063514][ T635] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 20.063515][ T635] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 20.063516][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063517][ T635] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.063521][ T635] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 20.063523][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063524][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.063526][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063527][ T635] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.063528][ T635] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.063530][ T635] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.063531][ T635] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 20.063533][ T635] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 20.063535][ T635] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.063537][ T635] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.063538][ T635] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.063540][ T635] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.063541][ T635] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 20.063544][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063545][ T635] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.063548][ T635] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.063550][ T635] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.063551][ T635] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.063553][ T635] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.063555][ T635] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.063557][ T635] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 20.063559][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.063560][ T635] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 20.063563][ T635] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 20.063565][ T635] ____sys_sendmsg (net/socket.c:2713) [ 20.063567][ T635] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.063568][ T635] ? sock_write_iter (net/socket.c:1269) [ 20.063570][ T635] ? move_addr_to_kernel (net/socket.c:258) [ 20.063571][ T635] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 20.063574][ T635] ___sys_sendmsg (net/socket.c:2767) [ 20.063576][ T635] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.063581][ T635] __sys_sendmsg (net/socket.c:2799) [ 20.063582][ T635] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.063585][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.063586][ T635] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.063588][ T635] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.063590][ T635] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.063592][ T635] RIP: 0033:0x7f9e4317654e [ 20.063594][ T635] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 20.063595][ T635] RSP: 002b:00007ffe0647b4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.063599][ T635] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9e4317654e [ 20.063600][ T635] RDX: 0000000000000000 RSI: 00007ffe0647b5a0 RDI: 0000000000000005 [ 20.063601][ T635] RBP: 00007ffe0647b500 R08: 0000000000000000 R09: 0000000000000000 [ 20.063602][ T635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91394d [ 20.063603][ T635] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0647bc60 | [ 21.228116][ T693] softirqs last disabled at (0): 0x0 | [ 21.228118][ T693] Preemption disabled at: | [ 21.228119][ T693] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.228129][ T693] Tainted: [W]=WARN [ 21.228130][ T693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.228132][ T693] Call Trace: [ 21.228134][ T693] [ 21.228135][ T693] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.228140][ T693] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.228142][ T693] __might_resched.cold (kernel/sched/core.c:9234) [ 21.228146][ T693] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 21.228147][ T693] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.228151][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228153][ T693] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.228156][ T693] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.228159][ T693] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.228167][ T693] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.228169][ T693] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.228171][ T693] put_chars (drivers/char/virtio_console.c:1176) [ 21.228173][ T693] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.228174][ T693] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 21.228177][ T693] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.228182][ T693] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.228183][ T693] ? vsnprintf (lib/vsprintf.c:2900) [ 21.228187][ T693] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.228188][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228189][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228191][ T693] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.228194][ T693] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.228196][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228197][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228198][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228199][ T693] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.228201][ T693] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.228203][ T693] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.228205][ T693] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.228208][ T693] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.228210][ T693] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.228211][ T693] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.228213][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228214][ T693] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.228215][ T693] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 21.228217][ T693] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 21.228218][ T693] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.228220][ T693] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.228221][ T693] vprintk_emit (kernel/printk/printk.c:2479) [ 21.228223][ T693] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.228224][ T693] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.228226][ T693] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.228229][ T693] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.228230][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228232][ T693] _printk (kernel/printk/printk.c:2504) [ 21.228235][ T693] ? snapshot_read.cold (user.c:?) [ 21.228237][ T693] ? br_multicast_flood (??:?) [ 21.228240][ T693] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 21.228243][ T693] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 21.228244][ T693] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.228246][ T693] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 21.228249][ T693] br_init_port (net/bridge/br_stp_if.c:39) [ 21.228251][ T693] new_nbp (net/bridge/br_if.c:449) [ 21.228253][ T693] br_add_if (net/bridge/br_if.c:592) [ 21.228255][ T693] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 21.228259][ T693] do_set_master (net/core/rtnetlink.c:3071) [ 21.228261][ T693] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 21.228263][ T693] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 21.228264][ T693] ? __dev_get_by_name (net/core/dev.c:905) [ 21.228266][ T693] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 21.228270][ T693] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 21.228272][ T693] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.228274][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228276][ T693] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.228277][ T693] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.228278][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228280][ T693] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 21.228282][ T693] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.228284][ T693] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 21.228287][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228288][ T693] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.228289][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228290][ T693] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.228292][ T693] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.228293][ T693] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.228295][ T693] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.228296][ T693] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 21.228300][ T693] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.228303][ T693] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.228304][ T693] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.228306][ T693] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.228307][ T693] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 21.228310][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228311][ T693] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.228313][ T693] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.228316][ T693] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.228318][ T693] ? next_uptodate_folio (mm/filemap.c:3747) [ 21.228321][ T693] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.228323][ T693] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.228325][ T693] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.228326][ T693] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.228330][ T693] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.228333][ T693] ____sys_sendmsg (net/socket.c:2713) [ 21.228334][ T693] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.228336][ T693] ? sock_write_iter (net/socket.c:1269) [ 21.228337][ T693] ? move_addr_to_kernel (net/socket.c:258) [ 21.228339][ T693] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 21.228342][ T693] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.228344][ T693] ___sys_sendmsg (net/socket.c:2767) [ 21.228345][ T693] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 21.228347][ T693] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.228349][ T693] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 21.228353][ T693] __sys_sendmsg (net/socket.c:2799) [ 21.228355][ T693] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.228358][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228359][ T693] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.228360][ T693] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.228363][ T693] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.228365][ T693] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.228367][ T693] RIP: 0033:0x7f4b5ebcd54e [ 21.228369][ T693] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 21.228371][ T693] RSP: 002b:00007ffcdd20e180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.228374][ T693] RAX: ffffffffffffffda RBX: 00007ffcdd20e948 RCX: 00007f4b5ebcd54e [ 21.228376][ T693] RDX: 0000000000000000 RSI: 00007ffcdd20e230 RDI: 0000000000000005 [ 21.228377][ T693] RBP: 00007ffcdd20e190 R08: 0000000000000000 R09: 0000000000000000 [ 21.228378][ T693] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91394e [ 21.228379][ T693] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdd20e900 | [ 27.680146][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 27.680148][ T12] Preemption disabled at: | [ 27.680149][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.680160][ T12] Tainted: [W]=WARN [ 27.680161][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.680167][ T12] Workqueue: netns cleanup_net [ 27.680172][ T12] Call Trace: [ 27.680174][ T12] [ 27.680175][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.680181][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.680182][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 27.680186][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 27.680188][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.680191][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680194][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 27.680196][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.680200][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.680204][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 27.680206][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.680208][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 27.680210][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.680211][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 27.680214][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.680218][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.680220][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 27.680222][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.680224][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680225][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680226][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.680229][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.680231][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680232][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680233][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680234][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.680236][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 27.680238][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.680240][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.680243][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.680245][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.680246][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.680248][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680249][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.680250][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 27.680252][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 27.680253][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.680255][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.680256][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 27.680258][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.680259][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 27.680261][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.680263][ T12] ? kthread (kernel/kthread.c:436) [ 27.680265][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 27.680268][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 27.680271][ T12] _printk (kernel/printk/printk.c:2504) [ 27.680274][ T12] ? snapshot_read.cold (user.c:?) [ 27.680276][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.680279][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.680281][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.680283][ T12] ? netdev_notice (net/core/dev.c:13194) [ 27.680286][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680287][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 27.680288][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 27.680291][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 27.680292][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 27.680293][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 27.680295][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 27.680298][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 27.680301][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 27.680304][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 27.680306][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 27.680308][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 27.680310][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 27.680312][ T12] cleanup_net (net/core/net_namespace.c:706) [ 27.680314][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 27.680316][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.680318][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.680319][ T12] process_one_work (kernel/workqueue.c:3387) [ 27.680322][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.680324][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.680326][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.680328][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.680331][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.680333][ T12] kthread (kernel/kthread.c:436) [ 27.680335][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.680336][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.680338][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.680340][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.680342][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.680345][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.680346][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.009995][ T886] softirqs last disabled at (0): 0x0 | [ 29.009997][ T886] Preemption disabled at: | [ 29.009998][ T886] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.010007][ T886] Tainted: [W]=WARN [ 29.010009][ T886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.010011][ T886] Call Trace: [ 29.010012][ T886] [ 29.010013][ T886] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.010019][ T886] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.010021][ T886] __might_resched.cold (kernel/sched/core.c:9234) [ 29.010024][ T886] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 29.010027][ T886] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.010030][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010032][ T886] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.010035][ T886] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.010038][ T886] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.010044][ T886] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.010046][ T886] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.010048][ T886] put_chars (drivers/char/virtio_console.c:1176) [ 29.010050][ T886] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.010052][ T886] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 29.010054][ T886] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.010059][ T886] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.010061][ T886] ? vsnprintf (lib/vsprintf.c:2900) [ 29.010064][ T886] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.010066][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010067][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010068][ T886] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.010071][ T886] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.010073][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010074][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010075][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010076][ T886] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.010078][ T886] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 29.010080][ T886] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.010083][ T886] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.010085][ T886] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.010087][ T886] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.010089][ T886] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.010090][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010091][ T886] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.010093][ T886] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 29.010094][ T886] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 29.010096][ T886] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.010098][ T886] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.010099][ T886] vprintk_emit (kernel/printk/printk.c:2479) [ 29.010101][ T886] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.010102][ T886] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.010104][ T886] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 29.010107][ T886] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.010109][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010110][ T886] _printk (kernel/printk/printk.c:2504) [ 29.010113][ T886] ? snapshot_read.cold (user.c:?) [ 29.010115][ T886] ? br_multicast_flood (??:?) [ 29.010119][ T886] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 29.010122][ T886] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 29.010123][ T886] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.010124][ T886] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.010127][ T886] br_init_port (net/bridge/br_stp_if.c:39) [ 29.010129][ T886] new_nbp (net/bridge/br_if.c:449) [ 29.010131][ T886] br_add_if (net/bridge/br_if.c:592) [ 29.010133][ T886] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 29.010137][ T886] do_set_master (net/core/rtnetlink.c:3071) [ 29.010139][ T886] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 29.010140][ T886] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 29.010142][ T886] ? __dev_get_by_name (net/core/dev.c:905) [ 29.010143][ T886] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 29.010147][ T886] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 29.010150][ T886] rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.010152][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010153][ T886] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.010154][ T886] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.010156][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010157][ T886] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 29.010160][ T886] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 29.010161][ T886] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 29.010166][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010167][ T886] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.010169][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010170][ T886] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.010171][ T886] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.010173][ T886] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.010175][ T886] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 29.010176][ T886] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 29.010180][ T886] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.010183][ T886] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.010184][ T886] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.010186][ T886] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.010188][ T886] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 29.010191][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010192][ T886] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.010194][ T886] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.010196][ T886] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.010198][ T886] ? next_uptodate_folio (mm/filemap.c:3747) [ 29.010201][ T886] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.010203][ T886] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.010205][ T886] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.010207][ T886] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 29.010210][ T886] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 29.010213][ T886] ____sys_sendmsg (net/socket.c:2713) [ 29.010215][ T886] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.010216][ T886] ? sock_write_iter (net/socket.c:1269) [ 29.010218][ T886] ? move_addr_to_kernel (net/socket.c:258) [ 29.010220][ T886] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 29.010223][ T886] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.010224][ T886] ___sys_sendmsg (net/socket.c:2767) [ 29.010226][ T886] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 29.010228][ T886] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.010230][ T886] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 29.010234][ T886] __sys_sendmsg (net/socket.c:2799) [ 29.010237][ T886] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.010239][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010240][ T886] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.010242][ T886] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.010244][ T886] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.010246][ T886] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.010249][ T886] RIP: 0033:0x7fe64008554e [ 29.010250][ T886] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 29.010252][ T886] RSP: 002b:00007ffef2284760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.010256][ T886] RAX: ffffffffffffffda RBX: 00007ffef2284f28 RCX: 00007fe64008554e [ 29.010257][ T886] RDX: 0000000000000000 RSI: 00007ffef2284810 RDI: 0000000000000005 [ 29.010258][ T886] RBP: 00007ffef2284770 R08: 0000000000000000 R09: 0000000000000000 [ 29.010259][ T886] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913956 [ 29.010260][ T886] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef2284ee0 | [ 30.406289][ T954] softirqs last disabled at (0): 0x0 | [ 30.406291][ T954] Preemption disabled at: | [ 30.406291][ T954] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.406302][ T954] Tainted: [W]=WARN [ 30.406302][ T954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.406304][ T954] Call Trace: [ 30.406306][ T954] [ 30.406307][ T954] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.406313][ T954] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.406314][ T954] __might_resched.cold (kernel/sched/core.c:9234) [ 30.406318][ T954] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.406321][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406323][ T954] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.406326][ T954] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.406329][ T954] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.406335][ T954] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.406336][ T954] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.406339][ T954] put_chars (drivers/char/virtio_console.c:1176) [ 30.406340][ T954] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.406342][ T954] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 30.406344][ T954] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.406346][ T954] ? pointer (lib/vsprintf.c:2577) [ 30.406349][ T954] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.406354][ T954] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.406356][ T954] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.406358][ T954] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.406360][ T954] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.406363][ T954] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.406365][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406366][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406367][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406368][ T954] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.406370][ T954] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.406371][ T954] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.406374][ T954] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.406376][ T954] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.406378][ T954] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.406380][ T954] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.406381][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406382][ T954] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.406384][ T954] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 30.406385][ T954] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 30.406387][ T954] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.406389][ T954] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.406390][ T954] vprintk_emit (kernel/printk/printk.c:2479) [ 30.406392][ T954] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.406393][ T954] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 30.406395][ T954] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.406398][ T954] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 30.406401][ T954] _printk (kernel/printk/printk.c:2504) [ 30.406404][ T954] ? snapshot_read.cold (user.c:?) [ 30.406406][ T954] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 30.406408][ T954] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.406412][ T954] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.406414][ T954] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.406417][ T954] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.406419][ T954] ? netdev_notice (net/core/dev.c:13194) [ 30.406421][ T954] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 30.406423][ T954] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 30.406425][ T954] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.406427][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406428][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406429][ T954] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.406430][ T954] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 30.406432][ T954] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 30.406433][ T954] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.406434][ T954] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 30.406436][ T954] ? register_netdev (net/core/dev.c:11618) [ 30.406437][ T954] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.406439][ T954] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 30.406442][ T954] ? __kernel_text_address (kernel/extable.c:79) [ 30.406445][ T954] ? write_profile (profile.c:?) [ 30.406448][ T954] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 30.406452][ T954] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.406454][ T954] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 30.406455][ T954] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 30.406456][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406457][ T954] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 30.406461][ T954] ? kasan_save_stack (mm/kasan/common.c:58) [ 30.406462][ T954] ? kasan_save_stack (mm/kasan/common.c:57) [ 30.406463][ T954] ? kasan_save_track (mm/kasan/common.c:78) [ 30.406464][ T954] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 30.406466][ T954] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 30.406467][ T954] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 30.406468][ T954] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.406469][ T954] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.406472][ T954] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.406474][ T954] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.406475][ T954] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 30.406478][ T954] ? ____sys_sendmsg (net/socket.c:2713) [ 30.406479][ T954] ? ___sys_sendmsg (net/socket.c:2767) [ 30.406480][ T954] ? __sys_sendmsg (net/socket.c:2799) [ 30.406482][ T954] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.406484][ T954] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.406487][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406488][ T954] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.406489][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406490][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406491][ T954] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 30.406493][ T954] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 30.406494][ T954] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 30.406495][ T954] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.406497][ T954] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 30.406498][ T954] ? nla_get_range_signed (lib/nlattr.c:270) [ 30.406501][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406502][ T954] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 30.406504][ T954] rtnl_newlink (net/core/rtnetlink.c:4215) [ 30.406506][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406507][ T954] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.406509][ T954] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.406510][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406511][ T954] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 30.406514][ T954] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 30.406515][ T954] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.406516][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406517][ T954] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.406520][ T954] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 30.406522][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406523][ T954] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.406525][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406526][ T954] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.406527][ T954] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.406529][ T954] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.406530][ T954] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.406532][ T954] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 30.406534][ T954] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.406536][ T954] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.406537][ T954] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.406539][ T954] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.406540][ T954] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 30.406543][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406544][ T954] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.406546][ T954] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.406548][ T954] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.406550][ T954] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.406552][ T954] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.406554][ T954] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.406556][ T954] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.406557][ T954] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.406559][ T954] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 30.406562][ T954] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 30.406564][ T954] ____sys_sendmsg (net/socket.c:2713) [ 30.406566][ T954] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.406567][ T954] ? sock_write_iter (net/socket.c:1269) [ 30.406569][ T954] ? move_addr_to_kernel (net/socket.c:258) [ 30.406570][ T954] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.406573][ T954] ___sys_sendmsg (net/socket.c:2767) [ 30.406575][ T954] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.406579][ T954] __sys_sendmsg (net/socket.c:2799) [ 30.406581][ T954] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.406584][ T954] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.406586][ T954] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.406587][ T954] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.406589][ T954] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.406591][ T954] RIP: 0033:0x7f5fc356b54e [ 30.406593][ T954] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 30.406595][ T954] RSP: 002b:00007ffef5b4ce70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.406598][ T954] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5fc356b54e [ 30.406600][ T954] RDX: 0000000000000000 RSI: 00007ffef5b4cf20 RDI: 0000000000000005 [ 30.406600][ T954] RBP: 00007ffef5b4ce80 R08: 0000000000000000 R09: 0000000000000000 [ 30.406601][ T954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913957 [ 30.406602][ T954] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef5b4d5e0 | [ 31.570565][ T1012] softirqs last disabled at (0): 0x0 | [ 31.570567][ T1012] Preemption disabled at: | [ 31.570568][ T1012] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.570578][ T1012] Tainted: [W]=WARN [ 31.570579][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.570581][ T1012] Call Trace: [ 31.570582][ T1012] [ 31.570584][ T1012] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.570590][ T1012] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.570591][ T1012] __might_resched.cold (kernel/sched/core.c:9234) [ 31.570595][ T1012] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 31.570597][ T1012] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.570601][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570603][ T1012] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 31.570606][ T1012] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.570609][ T1012] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.570614][ T1012] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 31.570616][ T1012] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.570618][ T1012] put_chars (drivers/char/virtio_console.c:1176) [ 31.570620][ T1012] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.570622][ T1012] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 31.570624][ T1012] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.570629][ T1012] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.570630][ T1012] ? vsnprintf (lib/vsprintf.c:2900) [ 31.570634][ T1012] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.570636][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570637][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570638][ T1012] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.570641][ T1012] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.570643][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570644][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570645][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570646][ T1012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.570648][ T1012] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.570650][ T1012] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.570653][ T1012] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.570655][ T1012] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.570657][ T1012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.570659][ T1012] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.570660][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570662][ T1012] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.570663][ T1012] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 31.570665][ T1012] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 31.570666][ T1012] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.570668][ T1012] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.570670][ T1012] vprintk_emit (kernel/printk/printk.c:2479) [ 31.570671][ T1012] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.570672][ T1012] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.570674][ T1012] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.570677][ T1012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.570679][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570680][ T1012] _printk (kernel/printk/printk.c:2504) [ 31.570683][ T1012] ? snapshot_read.cold (user.c:?) [ 31.570685][ T1012] ? br_multicast_flood (??:?) [ 31.570689][ T1012] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 31.570691][ T1012] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 31.570692][ T1012] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.570694][ T1012] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.570697][ T1012] br_init_port (net/bridge/br_stp_if.c:39) [ 31.570698][ T1012] new_nbp (net/bridge/br_if.c:449) [ 31.570701][ T1012] br_add_if (net/bridge/br_if.c:592) [ 31.570702][ T1012] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 31.570706][ T1012] do_set_master (net/core/rtnetlink.c:3071) [ 31.570708][ T1012] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 31.570710][ T1012] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 31.570711][ T1012] ? __dev_get_by_name (net/core/dev.c:905) [ 31.570713][ T1012] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 31.570717][ T1012] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 31.570720][ T1012] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.570722][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570723][ T1012] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.570724][ T1012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.570726][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570727][ T1012] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 31.570729][ T1012] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 31.570731][ T1012] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.570734][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570735][ T1012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.570736][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570737][ T1012] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.570739][ T1012] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.570740][ T1012] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.570742][ T1012] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.570743][ T1012] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.570747][ T1012] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.570750][ T1012] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.570751][ T1012] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.570753][ T1012] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.570754][ T1012] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 31.570757][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570759][ T1012] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.570761][ T1012] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.570763][ T1012] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.570765][ T1012] ? next_uptodate_folio (mm/filemap.c:3747) [ 31.570768][ T1012] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.570770][ T1012] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.570772][ T1012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.570773][ T1012] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 31.570777][ T1012] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 31.570780][ T1012] ____sys_sendmsg (net/socket.c:2713) [ 31.570781][ T1012] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.570783][ T1012] ? sock_write_iter (net/socket.c:1269) [ 31.570785][ T1012] ? move_addr_to_kernel (net/socket.c:258) [ 31.570787][ T1012] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 31.570789][ T1012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.570791][ T1012] ___sys_sendmsg (net/socket.c:2767) [ 31.570793][ T1012] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 31.570794][ T1012] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.570796][ T1012] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 31.570801][ T1012] __sys_sendmsg (net/socket.c:2799) [ 31.570803][ T1012] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.570805][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570806][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.570808][ T1012] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.570810][ T1012] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.570812][ T1012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.570814][ T1012] RIP: 0033:0x7fae3cd3c54e [ 31.570816][ T1012] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 31.570818][ T1012] RSP: 002b:00007ffc2c4bcb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.570822][ T1012] RAX: ffffffffffffffda RBX: 00007ffc2c4bd2e8 RCX: 00007fae3cd3c54e [ 31.570823][ T1012] RDX: 0000000000000000 RSI: 00007ffc2c4bcbd0 RDI: 0000000000000005 [ 31.570824][ T1012] RBP: 00007ffc2c4bcb30 R08: 0000000000000000 R09: 0000000000000000 [ 31.570825][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913958 [ 31.570826][ T1012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2c4bd2a0 | [ 37.913005][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 37.913007][ T12] Preemption disabled at: | [ 37.913008][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.913019][ T12] Tainted: [W]=WARN [ 37.913020][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.913022][ T12] Workqueue: netns cleanup_net [ 37.913027][ T12] Call Trace: [ 37.913029][ T12] [ 37.913031][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.913036][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.913037][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 37.913041][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 37.913043][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.913046][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913049][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.913052][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.913055][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.913059][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.913061][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.913064][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 37.913065][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.913067][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 37.913070][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.913074][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.913076][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 37.913078][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.913080][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913081][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913083][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.913085][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.913087][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913089][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913089][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913090][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.913093][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 37.913095][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.913097][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.913100][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.913102][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.913103][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.913105][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913106][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.913108][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 37.913109][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 37.913110][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.913112][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.913114][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 37.913115][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.913117][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 37.913118][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 37.913121][ T12] ? kthread (kernel/kthread.c:436) [ 37.913123][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 37.913126][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 37.913129][ T12] _printk (kernel/printk/printk.c:2504) [ 37.913132][ T12] ? snapshot_read.cold (user.c:?) [ 37.913134][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.913137][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.913140][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.913142][ T12] ? netdev_notice (net/core/dev.c:13194) [ 37.913144][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913145][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 37.913146][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 37.913149][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 37.913151][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 37.913152][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 37.913154][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 37.913157][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 37.913161][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 37.913167][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 37.913170][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 37.913172][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 37.913174][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 37.913177][ T12] cleanup_net (net/core/net_namespace.c:706) [ 37.913179][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 37.913180][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913182][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.913183][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.913185][ T12] process_one_work (kernel/workqueue.c:3387) [ 37.913188][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 37.913190][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.913192][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.913195][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 37.913197][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 37.913199][ T12] kthread (kernel/kthread.c:436) [ 37.913201][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 37.913203][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.913205][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 37.913206][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 37.913208][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 37.913211][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.913213][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.353981][ T1205] softirqs last disabled at (0): 0x0 | [ 39.353983][ T1205] Preemption disabled at: | [ 39.353984][ T1205] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.353993][ T1205] Tainted: [W]=WARN [ 39.353994][ T1205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.353996][ T1205] Call Trace: [ 39.353997][ T1205] [ 39.353999][ T1205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.354004][ T1205] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.354006][ T1205] __might_resched.cold (kernel/sched/core.c:9234) [ 39.354009][ T1205] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 39.354011][ T1205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.354015][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354017][ T1205] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.354020][ T1205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.354023][ T1205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.354028][ T1205] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.354030][ T1205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.354032][ T1205] put_chars (drivers/char/virtio_console.c:1176) [ 39.354034][ T1205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.354036][ T1205] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 39.354038][ T1205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.354043][ T1205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.354045][ T1205] ? vsnprintf (lib/vsprintf.c:2900) [ 39.354048][ T1205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.354050][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354051][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354053][ T1205] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.354055][ T1205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.354057][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354058][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354059][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354060][ T1205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.354063][ T1205] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 39.354065][ T1205] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.354067][ T1205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.354070][ T1205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.354072][ T1205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.354073][ T1205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.354075][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354076][ T1205] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.354077][ T1205] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 39.354079][ T1205] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 39.354080][ T1205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.354082][ T1205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.354084][ T1205] vprintk_emit (kernel/printk/printk.c:2479) [ 39.354085][ T1205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.354086][ T1205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.354088][ T1205] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 39.354091][ T1205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.354093][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354094][ T1205] _printk (kernel/printk/printk.c:2504) [ 39.354097][ T1205] ? snapshot_read.cold (user.c:?) [ 39.354099][ T1205] ? br_multicast_flood (??:?) [ 39.354103][ T1205] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 39.354105][ T1205] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 39.354106][ T1205] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.354108][ T1205] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.354111][ T1205] br_init_port (net/bridge/br_stp_if.c:39) [ 39.354113][ T1205] new_nbp (net/bridge/br_if.c:449) [ 39.354115][ T1205] br_add_if (net/bridge/br_if.c:592) [ 39.354117][ T1205] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 39.354121][ T1205] do_set_master (net/core/rtnetlink.c:3071) [ 39.354122][ T1205] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 39.354124][ T1205] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 39.354125][ T1205] ? __dev_get_by_name (net/core/dev.c:905) [ 39.354127][ T1205] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 39.354131][ T1205] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 39.354134][ T1205] rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.354136][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354137][ T1205] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.354138][ T1205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.354139][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354141][ T1205] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 39.354143][ T1205] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 39.354145][ T1205] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 39.354148][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354149][ T1205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.354150][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354152][ T1205] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.354153][ T1205] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.354155][ T1205] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.354156][ T1205] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 39.354157][ T1205] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 39.354161][ T1205] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.354167][ T1205] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.354168][ T1205] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.354170][ T1205] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.354171][ T1205] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 39.354174][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354176][ T1205] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.354178][ T1205] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.354180][ T1205] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.354182][ T1205] ? next_uptodate_folio (mm/filemap.c:3747) [ 39.354185][ T1205] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.354187][ T1205] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.354189][ T1205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.354190][ T1205] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 39.354194][ T1205] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 39.354197][ T1205] ____sys_sendmsg (net/socket.c:2713) [ 39.354198][ T1205] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.354200][ T1205] ? sock_write_iter (net/socket.c:1269) [ 39.354201][ T1205] ? move_addr_to_kernel (net/socket.c:258) [ 39.354203][ T1205] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 39.354206][ T1205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.354208][ T1205] ___sys_sendmsg (net/socket.c:2767) [ 39.354209][ T1205] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 39.354211][ T1205] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.354213][ T1205] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 39.354217][ T1205] __sys_sendmsg (net/socket.c:2799) [ 39.354220][ T1205] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.354222][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354223][ T1205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.354225][ T1205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.354227][ T1205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.354229][ T1205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.354232][ T1205] RIP: 0033:0x7f43e0b3754e [ 39.354233][ T1205] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 39.354235][ T1205] RSP: 002b:00007ffe1bb10020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.354239][ T1205] RAX: ffffffffffffffda RBX: 00007ffe1bb107e8 RCX: 00007f43e0b3754e [ 39.354240][ T1205] RDX: 0000000000000000 RSI: 00007ffe1bb100d0 RDI: 0000000000000005 [ 39.354241][ T1205] RBP: 00007ffe1bb10030 R08: 0000000000000000 R09: 0000000000000000 [ 39.354242][ T1205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913960 [ 39.354243][ T1205] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1bb107a0 | [ 40.810291][ T1273] softirqs last disabled at (0): 0x0 | [ 40.810293][ T1273] Preemption disabled at: | [ 40.810294][ T1273] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.810304][ T1273] Tainted: [W]=WARN [ 40.810305][ T1273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.810307][ T1273] Call Trace: [ 40.810308][ T1273] [ 40.810309][ T1273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.810315][ T1273] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.810316][ T1273] __might_resched.cold (kernel/sched/core.c:9234) [ 40.810321][ T1273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.810324][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810327][ T1273] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 40.810329][ T1273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.810333][ T1273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.810338][ T1273] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 40.810340][ T1273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.810342][ T1273] put_chars (drivers/char/virtio_console.c:1176) [ 40.810344][ T1273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.810345][ T1273] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 40.810347][ T1273] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 40.810349][ T1273] ? pointer (lib/vsprintf.c:2577) [ 40.810353][ T1273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.810357][ T1273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.810359][ T1273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.810361][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.810363][ T1273] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.810366][ T1273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.810368][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810369][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810370][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810371][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.810373][ T1273] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 40.810375][ T1273] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.810377][ T1273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.810380][ T1273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.810381][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.810383][ T1273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.810384][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810385][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.810387][ T1273] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 40.810388][ T1273] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 40.810390][ T1273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.810392][ T1273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.810393][ T1273] vprintk_emit (kernel/printk/printk.c:2479) [ 40.810395][ T1273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.810396][ T1273] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 40.810399][ T1273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.810402][ T1273] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 40.810404][ T1273] _printk (kernel/printk/printk.c:2504) [ 40.810407][ T1273] ? snapshot_read.cold (user.c:?) [ 40.810409][ T1273] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 40.810411][ T1273] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.810414][ T1273] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.810416][ T1273] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 40.810419][ T1273] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.810421][ T1273] ? netdev_notice (net/core/dev.c:13194) [ 40.810423][ T1273] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 40.810425][ T1273] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 40.810428][ T1273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.810429][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810430][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810431][ T1273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.810433][ T1273] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 40.810434][ T1273] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 40.810435][ T1273] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 40.810437][ T1273] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 40.810438][ T1273] ? register_netdev (net/core/dev.c:11618) [ 40.810440][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.810442][ T1273] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 40.810445][ T1273] ? __kernel_text_address (kernel/extable.c:79) [ 40.810448][ T1273] ? write_profile (profile.c:?) [ 40.810450][ T1273] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 40.810454][ T1273] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 40.810456][ T1273] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 40.810457][ T1273] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 40.810458][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810459][ T1273] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 40.810463][ T1273] ? kasan_save_stack (mm/kasan/common.c:58) [ 40.810465][ T1273] ? kasan_save_stack (mm/kasan/common.c:57) [ 40.810466][ T1273] ? kasan_save_track (mm/kasan/common.c:78) [ 40.810467][ T1273] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 40.810468][ T1273] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 40.810469][ T1273] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 40.810470][ T1273] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.810471][ T1273] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.810474][ T1273] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.810476][ T1273] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.810477][ T1273] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 40.810480][ T1273] ? ____sys_sendmsg (net/socket.c:2713) [ 40.810481][ T1273] ? ___sys_sendmsg (net/socket.c:2767) [ 40.810482][ T1273] ? __sys_sendmsg (net/socket.c:2799) [ 40.810484][ T1273] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.810486][ T1273] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.810489][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810490][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.810492][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810493][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810494][ T1273] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 40.810495][ T1273] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 40.810496][ T1273] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 40.810497][ T1273] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 40.810499][ T1273] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 40.810500][ T1273] ? nla_get_range_signed (lib/nlattr.c:270) [ 40.810503][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810504][ T1273] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 40.810506][ T1273] rtnl_newlink (net/core/rtnetlink.c:4215) [ 40.810508][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810509][ T1273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 40.810510][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.810512][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810513][ T1273] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 40.810515][ T1273] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 40.810517][ T1273] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 40.810518][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810519][ T1273] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 40.810523][ T1273] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 40.810525][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810526][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.810527][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810529][ T1273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 40.810530][ T1273] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.810532][ T1273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.810533][ T1273] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.810535][ T1273] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 40.810537][ T1273] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.810539][ T1273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.810540][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.810542][ T1273] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.810543][ T1273] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 40.810546][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810547][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.810549][ T1273] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.810552][ T1273] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.810553][ T1273] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.810555][ T1273] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.810557][ T1273] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.810559][ T1273] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 40.810560][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.810562][ T1273] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 40.810565][ T1273] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 40.810567][ T1273] ____sys_sendmsg (net/socket.c:2713) [ 40.810569][ T1273] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.810570][ T1273] ? sock_write_iter (net/socket.c:1269) [ 40.810572][ T1273] ? move_addr_to_kernel (net/socket.c:258) [ 40.810573][ T1273] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.810576][ T1273] ___sys_sendmsg (net/socket.c:2767) [ 40.810578][ T1273] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.810583][ T1273] __sys_sendmsg (net/socket.c:2799) [ 40.810584][ T1273] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.810587][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.810589][ T1273] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.810590][ T1273] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.810592][ T1273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.810594][ T1273] RIP: 0033:0x7f2dd1a3054e [ 40.810596][ T1273] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 40.810598][ T1273] RSP: 002b:00007ffee110e420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.810601][ T1273] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2dd1a3054e [ 40.810603][ T1273] RDX: 0000000000000000 RSI: 00007ffee110e4d0 RDI: 0000000000000005 [ 40.810604][ T1273] RBP: 00007ffee110e430 R08: 0000000000000000 R09: 0000000000000000 [ 40.810605][ T1273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913962 [ 40.810606][ T1273] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee110eb90 | [ 41.962530][ T1331] softirqs last disabled at (0): 0x0 | [ 41.962532][ T1331] Preemption disabled at: | [ 41.962533][ T1331] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.962543][ T1331] Tainted: [W]=WARN [ 41.962544][ T1331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.962545][ T1331] Call Trace: [ 41.962547][ T1331] [ 41.962548][ T1331] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.962554][ T1331] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.962555][ T1331] __might_resched.cold (kernel/sched/core.c:9234) [ 41.962559][ T1331] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 41.962561][ T1331] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.962565][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962567][ T1331] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.962570][ T1331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.962573][ T1331] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.962579][ T1331] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.962580][ T1331] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.962583][ T1331] put_chars (drivers/char/virtio_console.c:1176) [ 41.962585][ T1331] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.962586][ T1331] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 41.962589][ T1331] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.962594][ T1331] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.962595][ T1331] ? vsnprintf (lib/vsprintf.c:2900) [ 41.962598][ T1331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.962600][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962601][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962603][ T1331] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.962606][ T1331] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.962608][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962609][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962610][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962611][ T1331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.962613][ T1331] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 41.962615][ T1331] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.962617][ T1331] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.962620][ T1331] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.962622][ T1331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.962623][ T1331] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.962625][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962626][ T1331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.962627][ T1331] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 41.962629][ T1331] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 41.962631][ T1331] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.962633][ T1331] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.962634][ T1331] vprintk_emit (kernel/printk/printk.c:2479) [ 41.962636][ T1331] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.962637][ T1331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.962638][ T1331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.962641][ T1331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.962643][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962644][ T1331] _printk (kernel/printk/printk.c:2504) [ 41.962647][ T1331] ? snapshot_read.cold (user.c:?) [ 41.962649][ T1331] ? br_multicast_flood (??:?) [ 41.962653][ T1331] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 41.962656][ T1331] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 41.962657][ T1331] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.962659][ T1331] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.962662][ T1331] br_init_port (net/bridge/br_stp_if.c:39) [ 41.962663][ T1331] new_nbp (net/bridge/br_if.c:449) [ 41.962665][ T1331] br_add_if (net/bridge/br_if.c:592) [ 41.962667][ T1331] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 41.962671][ T1331] do_set_master (net/core/rtnetlink.c:3071) [ 41.962673][ T1331] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 41.962675][ T1331] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 41.962676][ T1331] ? __dev_get_by_name (net/core/dev.c:905) [ 41.962678][ T1331] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 41.962682][ T1331] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 41.962684][ T1331] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.962686][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962688][ T1331] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.962689][ T1331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.962690][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962692][ T1331] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 41.962694][ T1331] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 41.962696][ T1331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 41.962698][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962700][ T1331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.962701][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962702][ T1331] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.962704][ T1331] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.962705][ T1331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.962707][ T1331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.962708][ T1331] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 41.962712][ T1331] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.962715][ T1331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.962716][ T1331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.962718][ T1331] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.962719][ T1331] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 41.962722][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962723][ T1331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.962725][ T1331] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.962728][ T1331] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.962730][ T1331] ? next_uptodate_folio (mm/filemap.c:3747) [ 41.962733][ T1331] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.962735][ T1331] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.962737][ T1331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.962738][ T1331] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 41.962742][ T1331] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 41.962744][ T1331] ____sys_sendmsg (net/socket.c:2713) [ 41.962746][ T1331] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.962748][ T1331] ? sock_write_iter (net/socket.c:1269) [ 41.962749][ T1331] ? move_addr_to_kernel (net/socket.c:258) [ 41.962752][ T1331] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 41.962754][ T1331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.962756][ T1331] ___sys_sendmsg (net/socket.c:2767) [ 41.962758][ T1331] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 41.962759][ T1331] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.962761][ T1331] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 41.962766][ T1331] __sys_sendmsg (net/socket.c:2799) [ 41.962768][ T1331] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.962770][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962772][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.962773][ T1331] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.962775][ T1331] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.962777][ T1331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.962779][ T1331] RIP: 0033:0x7f4d5796d54e [ 41.962781][ T1331] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 41.962783][ T1331] RSP: 002b:00007ffe30569520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.962787][ T1331] RAX: ffffffffffffffda RBX: 00007ffe30569ce8 RCX: 00007f4d5796d54e [ 41.962788][ T1331] RDX: 0000000000000000 RSI: 00007ffe305695d0 RDI: 0000000000000005 [ 41.962789][ T1331] RBP: 00007ffe30569530 R08: 0000000000000000 R09: 0000000000000000 [ 41.962790][ T1331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913963 [ 41.962791][ T1331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe30569ca0 | [ 48.338063][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 48.338065][ T12] Preemption disabled at: | [ 48.338066][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.338077][ T12] Tainted: [W]=WARN [ 48.338078][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.338080][ T12] Workqueue: netns cleanup_net [ 48.338086][ T12] Call Trace: [ 48.338087][ T12] [ 48.338089][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.338094][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.338096][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 48.338099][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 48.338101][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.338104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338107][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 48.338110][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.338113][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.338117][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 48.338119][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.338122][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 48.338123][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.338125][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 48.338128][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.338132][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.338134][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 48.338137][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.338138][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338140][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338141][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.338144][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.338146][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338147][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338148][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338149][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.338152][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 48.338154][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.338157][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.338159][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.338161][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.338168][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.338170][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338172][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.338174][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 48.338175][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 48.338177][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.338179][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.338181][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 48.338183][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.338184][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 48.338186][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 48.338189][ T12] ? kthread (kernel/kthread.c:436) [ 48.338191][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 48.338194][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 48.338198][ T12] _printk (kernel/printk/printk.c:2504) [ 48.338201][ T12] ? snapshot_read.cold (user.c:?) [ 48.338203][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 48.338207][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 48.338209][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.338212][ T12] ? netdev_notice (net/core/dev.c:13194) [ 48.338215][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338216][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 48.338217][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 48.338221][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 48.338222][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 48.338224][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 48.338227][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 48.338230][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 48.338234][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 48.338236][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 48.338239][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 48.338241][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 48.338243][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 48.338246][ T12] cleanup_net (net/core/net_namespace.c:706) [ 48.338247][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 48.338250][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.338251][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.338253][ T12] process_one_work (kernel/workqueue.c:3387) [ 48.338256][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 48.338258][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.338260][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.338263][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 48.338266][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.338268][ T12] kthread (kernel/kthread.c:436) [ 48.338269][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.338271][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.338273][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 48.338275][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 48.338277][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 48.338280][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.338282][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.634917][ T1523] softirqs last disabled at (0): 0x0 | [ 49.634920][ T1523] Preemption disabled at: | [ 49.634921][ T1523] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.634933][ T1523] Tainted: [W]=WARN [ 49.634934][ T1523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.634936][ T1523] Call Trace: [ 49.634938][ T1523] [ 49.634940][ T1523] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.634947][ T1523] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.634949][ T1523] __might_resched.cold (kernel/sched/core.c:9234) [ 49.634954][ T1523] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 49.634957][ T1523] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.634961][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.634964][ T1523] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 49.634968][ T1523] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.634972][ T1523] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.634979][ T1523] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 49.634981][ T1523] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.634985][ T1523] put_chars (drivers/char/virtio_console.c:1176) [ 49.634991][ T1523] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.634994][ T1523] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 49.634998][ T1523] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.635004][ T1523] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.635007][ T1523] ? vsnprintf (lib/vsprintf.c:2900) [ 49.635011][ T1523] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.635014][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635015][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635019][ T1523] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.635022][ T1523] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.635025][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635027][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635029][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635030][ T1523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.635034][ T1523] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 49.635037][ T1523] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.635040][ T1523] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.635044][ T1523] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.635047][ T1523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.635049][ T1523] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.635051][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635053][ T1523] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 49.635055][ T1523] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 49.635058][ T1523] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 49.635060][ T1523] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.635063][ T1523] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.635065][ T1523] vprintk_emit (kernel/printk/printk.c:2479) [ 49.635068][ T1523] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.635070][ T1523] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.635072][ T1523] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 49.635076][ T1523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.635078][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635080][ T1523] _printk (kernel/printk/printk.c:2504) [ 49.635084][ T1523] ? snapshot_read.cold (user.c:?) [ 49.635087][ T1523] ? br_multicast_flood (??:?) [ 49.635091][ T1523] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 49.635094][ T1523] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 49.635096][ T1523] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 49.635099][ T1523] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 49.635103][ T1523] br_init_port (net/bridge/br_stp_if.c:39) [ 49.635105][ T1523] new_nbp (net/bridge/br_if.c:449) [ 49.635108][ T1523] br_add_if (net/bridge/br_if.c:592) [ 49.635110][ T1523] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 49.635116][ T1523] do_set_master (net/core/rtnetlink.c:3071) [ 49.635119][ T1523] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 49.635121][ T1523] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 49.635123][ T1523] ? __dev_get_by_name (net/core/dev.c:905) [ 49.635126][ T1523] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 49.635131][ T1523] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 49.635135][ T1523] rtnl_newlink (net/core/rtnetlink.c:4215) [ 49.635138][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635140][ T1523] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.635142][ T1523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.635144][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635146][ T1523] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 49.635149][ T1523] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 49.635152][ T1523] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 49.635155][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635156][ T1523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.635159][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635160][ T1523] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.635163][ T1523] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 49.635168][ T1523] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 49.635170][ T1523] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 49.635172][ T1523] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 49.635178][ T1523] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 49.635182][ T1523] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 49.635184][ T1523] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 49.635186][ T1523] ? netlink_ack (./include/linux/skbuff.h:2718) [ 49.635189][ T1523] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 49.635193][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635195][ T1523] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 49.635198][ T1523] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 49.635201][ T1523] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 49.635204][ T1523] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 49.635207][ T1523] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 49.635211][ T1523] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 49.635215][ T1523] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 49.635218][ T1523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.635220][ T1523] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 49.635225][ T1523] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 49.635229][ T1523] ____sys_sendmsg (net/socket.c:2713) [ 49.635232][ T1523] ? copy_msghdr_from_user (net/socket.c:2650) [ 49.635234][ T1523] ? sock_write_iter (net/socket.c:1269) [ 49.635236][ T1523] ? move_addr_to_kernel (net/socket.c:258) [ 49.635240][ T1523] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 49.635243][ T1523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.635246][ T1523] ___sys_sendmsg (net/socket.c:2767) [ 49.635248][ T1523] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 49.635250][ T1523] ? copy_msghdr_from_user (net/socket.c:2619) [ 49.635253][ T1523] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 49.635260][ T1523] __sys_sendmsg (net/socket.c:2799) [ 49.635263][ T1523] ? __sys_sendmsg_sock (net/socket.c:2780) [ 49.635267][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635269][ T1523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.635271][ T1523] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 49.635274][ T1523] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 49.635277][ T1523] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 49.635280][ T1523] RIP: 0033:0x7fc2286d454e [ 49.635283][ T1523] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 49.635285][ T1523] RSP: 002b:00007fff477d57f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 49.635290][ T1523] RAX: ffffffffffffffda RBX: 00007fff477d5fb8 RCX: 00007fc2286d454e [ 49.635292][ T1523] RDX: 0000000000000000 RSI: 00007fff477d58a0 RDI: 0000000000000005 [ 49.635293][ T1523] RBP: 00007fff477d5800 R08: 0000000000000000 R09: 0000000000000000 [ 49.635294][ T1523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91396a [ 49.635296][ T1523] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff477d5f70 | [ 51.098277][ T1593] softirqs last disabled at (0): 0x0 | [ 51.098278][ T1593] Preemption disabled at: | [ 51.098279][ T1593] vprintk_emit (kernel/printk/printk.c:2471) | [ 51.098289][ T1593] Tainted: [W]=WARN [ 51.098290][ T1593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.098291][ T1593] Call Trace: [ 51.098293][ T1593] [ 51.098294][ T1593] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.098299][ T1593] ? vprintk_emit (kernel/printk/printk.c:2471) [ 51.098301][ T1593] __might_resched.cold (kernel/sched/core.c:9234) [ 51.098305][ T1593] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.098308][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098310][ T1593] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 51.098313][ T1593] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 51.098316][ T1593] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.098321][ T1593] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 51.098323][ T1593] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.098325][ T1593] put_chars (drivers/char/virtio_console.c:1176) [ 51.098327][ T1593] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.098328][ T1593] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 51.098330][ T1593] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 51.098332][ T1593] ? pointer (lib/vsprintf.c:2577) [ 51.098336][ T1593] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.098340][ T1593] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.098342][ T1593] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 51.098344][ T1593] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.098346][ T1593] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.098349][ T1593] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.098351][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098352][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098353][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098354][ T1593] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.098356][ T1593] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 51.098358][ T1593] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.098360][ T1593] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.098363][ T1593] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.098364][ T1593] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.098366][ T1593] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.098368][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098369][ T1593] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 51.098370][ T1593] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 51.098371][ T1593] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 51.098373][ T1593] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.098375][ T1593] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.098376][ T1593] vprintk_emit (kernel/printk/printk.c:2479) [ 51.098378][ T1593] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.098379][ T1593] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 51.098382][ T1593] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 51.098385][ T1593] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 51.098387][ T1593] _printk (kernel/printk/printk.c:2504) [ 51.098391][ T1593] ? snapshot_read.cold (user.c:?) [ 51.098392][ T1593] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 51.098395][ T1593] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 51.098398][ T1593] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 51.098400][ T1593] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.098403][ T1593] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 51.098406][ T1593] ? netdev_notice (net/core/dev.c:13194) [ 51.098408][ T1593] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 51.098409][ T1593] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 51.098412][ T1593] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 51.098413][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098414][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098415][ T1593] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 51.098417][ T1593] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 51.098418][ T1593] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 51.098419][ T1593] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.098421][ T1593] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 51.098423][ T1593] ? register_netdev (net/core/dev.c:11618) [ 51.098424][ T1593] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 51.098426][ T1593] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 51.098428][ T1593] ? __kernel_text_address (kernel/extable.c:79) [ 51.098431][ T1593] ? write_profile (profile.c:?) [ 51.098434][ T1593] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 51.098437][ T1593] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.098439][ T1593] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 51.098441][ T1593] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 51.098442][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098443][ T1593] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 51.098446][ T1593] ? kasan_save_stack (mm/kasan/common.c:58) [ 51.098448][ T1593] ? kasan_save_stack (mm/kasan/common.c:57) [ 51.098449][ T1593] ? kasan_save_track (mm/kasan/common.c:78) [ 51.098450][ T1593] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 51.098451][ T1593] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 51.098452][ T1593] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 51.098453][ T1593] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 51.098454][ T1593] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 51.098457][ T1593] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 51.098459][ T1593] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 51.098460][ T1593] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 51.098463][ T1593] ? ____sys_sendmsg (net/socket.c:2713) [ 51.098464][ T1593] ? ___sys_sendmsg (net/socket.c:2767) [ 51.098465][ T1593] ? __sys_sendmsg (net/socket.c:2799) [ 51.098467][ T1593] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.098469][ T1593] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.098472][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098473][ T1593] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.098475][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098475][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098477][ T1593] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 51.098478][ T1593] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 51.098479][ T1593] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 51.098480][ T1593] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 51.098482][ T1593] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 51.098483][ T1593] ? nla_get_range_signed (lib/nlattr.c:270) [ 51.098486][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098488][ T1593] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 51.098490][ T1593] rtnl_newlink (net/core/rtnetlink.c:4215) [ 51.098492][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098493][ T1593] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.098494][ T1593] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.098495][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098497][ T1593] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 51.098499][ T1593] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 51.098500][ T1593] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 51.098501][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098502][ T1593] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 51.098506][ T1593] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 51.098508][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098509][ T1593] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.098511][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098512][ T1593] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.098513][ T1593] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 51.098514][ T1593] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.098516][ T1593] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 51.098517][ T1593] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 51.098519][ T1593] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 51.098521][ T1593] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.098522][ T1593] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 51.098524][ T1593] ? netlink_ack (./include/linux/skbuff.h:2718) [ 51.098526][ T1593] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 51.098529][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098530][ T1593] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 51.098532][ T1593] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 51.098534][ T1593] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 51.098535][ T1593] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.098538][ T1593] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 51.098540][ T1593] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 51.098541][ T1593] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 51.098543][ T1593] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.098544][ T1593] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 51.098547][ T1593] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 51.098549][ T1593] ____sys_sendmsg (net/socket.c:2713) [ 51.098551][ T1593] ? copy_msghdr_from_user (net/socket.c:2650) [ 51.098553][ T1593] ? sock_write_iter (net/socket.c:1269) [ 51.098554][ T1593] ? move_addr_to_kernel (net/socket.c:258) [ 51.098555][ T1593] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 51.098558][ T1593] ___sys_sendmsg (net/socket.c:2767) [ 51.098560][ T1593] ? copy_msghdr_from_user (net/socket.c:2619) [ 51.098565][ T1593] __sys_sendmsg (net/socket.c:2799) [ 51.098567][ T1593] ? __sys_sendmsg_sock (net/socket.c:2780) [ 51.098569][ T1593] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.098571][ T1593] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.098573][ T1593] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 51.098575][ T1593] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.098576][ T1593] RIP: 0033:0x7f5fe53b854e [ 51.098578][ T1593] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 51.098580][ T1593] RSP: 002b:00007ffc548bf8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 51.098583][ T1593] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5fe53b854e [ 51.098585][ T1593] RDX: 0000000000000000 RSI: 00007ffc548bf980 RDI: 0000000000000005 [ 51.098586][ T1593] RBP: 00007ffc548bf8e0 R08: 0000000000000000 R09: 0000000000000000 [ 51.098586][ T1593] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91396c [ 51.098587][ T1593] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc548c0040 | [ 52.260168][ T1643] softirqs last disabled at (0): 0x0 | [ 52.260170][ T1643] Preemption disabled at: | [ 52.260171][ T1643] vprintk_emit (kernel/printk/printk.c:2471) | [ 52.260180][ T1643] Tainted: [W]=WARN [ 52.260181][ T1643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.260183][ T1643] Call Trace: [ 52.260185][ T1643] [ 52.260186][ T1643] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.260192][ T1643] ? vprintk_emit (kernel/printk/printk.c:2471) [ 52.260193][ T1643] __might_resched.cold (kernel/sched/core.c:9234) [ 52.260197][ T1643] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 52.260199][ T1643] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.260202][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260205][ T1643] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 52.260208][ T1643] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.260211][ T1643] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.260216][ T1643] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 52.260217][ T1643] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.260220][ T1643] put_chars (drivers/char/virtio_console.c:1176) [ 52.260221][ T1643] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.260223][ T1643] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 52.260226][ T1643] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.260230][ T1643] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.260232][ T1643] ? vsnprintf (lib/vsprintf.c:2900) [ 52.260235][ T1643] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.260237][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260238][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260239][ T1643] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.260242][ T1643] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.260244][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260245][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260246][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260247][ T1643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.260249][ T1643] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 52.260251][ T1643] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.260253][ T1643] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.260256][ T1643] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.260258][ T1643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.260259][ T1643] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.260261][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260262][ T1643] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.260263][ T1643] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 52.260265][ T1643] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 52.260266][ T1643] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.260268][ T1643] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.260269][ T1643] vprintk_emit (kernel/printk/printk.c:2479) [ 52.260271][ T1643] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.260272][ T1643] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.260273][ T1643] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 52.260277][ T1643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.260278][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260279][ T1643] _printk (kernel/printk/printk.c:2504) [ 52.260282][ T1643] ? snapshot_read.cold (user.c:?) [ 52.260284][ T1643] ? br_multicast_flood (??:?) [ 52.260288][ T1643] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 52.260290][ T1643] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 52.260291][ T1643] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 52.260293][ T1643] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 52.260296][ T1643] br_init_port (net/bridge/br_stp_if.c:39) [ 52.260297][ T1643] new_nbp (net/bridge/br_if.c:449) [ 52.260299][ T1643] br_add_if (net/bridge/br_if.c:592) [ 52.260301][ T1643] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 52.260305][ T1643] do_set_master (net/core/rtnetlink.c:3071) [ 52.260307][ T1643] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 52.260308][ T1643] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 52.260309][ T1643] ? __dev_get_by_name (net/core/dev.c:905) [ 52.260311][ T1643] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 52.260315][ T1643] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 52.260317][ T1643] rtnl_newlink (net/core/rtnetlink.c:4215) [ 52.260320][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260321][ T1643] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.260322][ T1643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.260323][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260325][ T1643] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 52.260327][ T1643] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 52.260329][ T1643] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 52.260331][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260332][ T1643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.260334][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260335][ T1643] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.260336][ T1643] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 52.260338][ T1643] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.260339][ T1643] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 52.260341][ T1643] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 52.260344][ T1643] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 52.260347][ T1643] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.260348][ T1643] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.260350][ T1643] ? netlink_ack (./include/linux/skbuff.h:2718) [ 52.260351][ T1643] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 52.260354][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260355][ T1643] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.260357][ T1643] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 52.260360][ T1643] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 52.260362][ T1643] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 52.260364][ T1643] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 52.260367][ T1643] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 52.260369][ T1643] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 52.260371][ T1643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.260372][ T1643] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 52.260376][ T1643] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 52.260379][ T1643] ____sys_sendmsg (net/socket.c:2713) [ 52.260381][ T1643] ? copy_msghdr_from_user (net/socket.c:2650) [ 52.260382][ T1643] ? sock_write_iter (net/socket.c:1269) [ 52.260384][ T1643] ? move_addr_to_kernel (net/socket.c:258) [ 52.260386][ T1643] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 52.260388][ T1643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.260390][ T1643] ___sys_sendmsg (net/socket.c:2767) [ 52.260392][ T1643] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 52.260394][ T1643] ? copy_msghdr_from_user (net/socket.c:2619) [ 52.260395][ T1643] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 52.260400][ T1643] __sys_sendmsg (net/socket.c:2799) [ 52.260402][ T1643] ? __sys_sendmsg_sock (net/socket.c:2780) [ 52.260405][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260406][ T1643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.260407][ T1643] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.260409][ T1643] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 52.260411][ T1643] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.260413][ T1643] RIP: 0033:0x7f9bc20b554e [ 52.260415][ T1643] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 52.260417][ T1643] RSP: 002b:00007ffca82faad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 52.260421][ T1643] RAX: ffffffffffffffda RBX: 00007ffca82fb298 RCX: 00007f9bc20b554e [ 52.260422][ T1643] RDX: 0000000000000000 RSI: 00007ffca82fab80 RDI: 0000000000000005 [ 52.260423][ T1643] RBP: 00007ffca82faae0 R08: 0000000000000000 R09: 0000000000000000 [ 52.260424][ T1643] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91396d [ 52.260425][ T1643] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca82fb250 | [ 58.551870][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 58.551872][ T12] Preemption disabled at: | [ 58.551873][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.551883][ T12] Tainted: [W]=WARN [ 58.551884][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.551886][ T12] Workqueue: netns cleanup_net [ 58.551892][ T12] Call Trace: [ 58.551893][ T12] [ 58.551895][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.551901][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.551902][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 58.551905][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 58.551907][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.551911][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.551913][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 58.551916][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.551919][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.551923][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 58.551925][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.551928][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 58.551929][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.551931][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.551933][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.551938][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.551940][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 58.551942][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.551944][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.551945][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.551947][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.551949][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.551951][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.551952][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.551953][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.551954][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.551957][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.551958][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.551961][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.551963][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.551965][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.551967][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.551968][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.551969][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.551971][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 58.551972][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 58.551974][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.551976][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.551977][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 58.551979][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.551980][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 58.551981][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 58.551984][ T12] ? kthread (kernel/kthread.c:436) [ 58.551986][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 58.551989][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 58.551991][ T12] _printk (kernel/printk/printk.c:2504) [ 58.551995][ T12] ? snapshot_read.cold (user.c:?) [ 58.551997][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 58.552000][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 58.552002][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 58.552004][ T12] ? netdev_notice (net/core/dev.c:13194) [ 58.552007][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.552008][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 58.552009][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 58.552012][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 58.552014][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 58.552015][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 58.552017][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 58.552027][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 58.552031][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 58.552033][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 58.552036][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 58.552038][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 58.552039][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 58.552042][ T12] cleanup_net (net/core/net_namespace.c:706) [ 58.552044][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 58.552046][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.552048][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.552049][ T12] process_one_work (kernel/workqueue.c:3387) [ 58.552052][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 58.552054][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.552056][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.552058][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 58.552061][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.552063][ T12] kthread (kernel/kthread.c:436) [ 58.552065][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.552066][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.552068][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 58.552070][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 58.552071][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 58.552074][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.552076][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 59.868848][ T1836] softirqs last disabled at (0): 0x0 | [ 59.868850][ T1836] Preemption disabled at: | [ 59.868851][ T1836] vprintk_emit (kernel/printk/printk.c:2471) | [ 59.868860][ T1836] Tainted: [W]=WARN [ 59.868861][ T1836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.868863][ T1836] Call Trace: [ 59.868865][ T1836] [ 59.868866][ T1836] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 59.868872][ T1836] ? vprintk_emit (kernel/printk/printk.c:2471) [ 59.868873][ T1836] __might_resched.cold (kernel/sched/core.c:9234) [ 59.868877][ T1836] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 59.868879][ T1836] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.868883][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868885][ T1836] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 59.868888][ T1836] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.868891][ T1836] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.868896][ T1836] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 59.868897][ T1836] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.868900][ T1836] put_chars (drivers/char/virtio_console.c:1176) [ 59.868902][ T1836] ? __send_to_port (drivers/char/virtio_console.c:654) [ 59.868904][ T1836] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 59.868906][ T1836] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 59.868911][ T1836] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 59.868913][ T1836] ? vsnprintf (lib/vsprintf.c:2900) [ 59.868916][ T1836] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.868918][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868919][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868921][ T1836] console_emit_next_record (kernel/printk/printk.c:3183) [ 59.868923][ T1836] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 59.868925][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868926][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868927][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868928][ T1836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.868931][ T1836] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 59.868933][ T1836] console_flush_one_record (kernel/printk/printk.c:3268) [ 59.868935][ T1836] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 59.868938][ T1836] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 59.868940][ T1836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.868941][ T1836] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 59.868943][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868944][ T1836] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.868945][ T1836] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 59.868947][ T1836] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 59.868948][ T1836] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 59.868951][ T1836] ? vprintk_emit (kernel/printk/printk.c:2478) [ 59.868952][ T1836] vprintk_emit (kernel/printk/printk.c:2479) [ 59.868954][ T1836] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 59.868955][ T1836] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.868957][ T1836] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.868960][ T1836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.868961][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.868963][ T1836] _printk (kernel/printk/printk.c:2504) [ 59.868965][ T1836] ? snapshot_read.cold (user.c:?) [ 59.868967][ T1836] ? br_multicast_flood (??:?) [ 59.868971][ T1836] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 59.868973][ T1836] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 59.868974][ T1836] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 59.868976][ T1836] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 59.868979][ T1836] br_init_port (net/bridge/br_stp_if.c:39) [ 59.868981][ T1836] new_nbp (net/bridge/br_if.c:449) [ 59.868983][ T1836] br_add_if (net/bridge/br_if.c:592) [ 59.868985][ T1836] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 59.868989][ T1836] do_set_master (net/core/rtnetlink.c:3071) [ 59.868991][ T1836] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 59.868992][ T1836] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 59.868994][ T1836] ? __dev_get_by_name (net/core/dev.c:905) [ 59.868995][ T1836] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 59.869000][ T1836] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 59.869002][ T1836] rtnl_newlink (net/core/rtnetlink.c:4215) [ 59.869004][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.869005][ T1836] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.869007][ T1836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.869008][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.869010][ T1836] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 59.869012][ T1836] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 59.869014][ T1836] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 59.869016][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.869017][ T1836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.869019][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.869020][ T1836] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.869021][ T1836] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.869028][ T1836] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.869029][ T1836] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.869031][ T1836] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 59.869034][ T1836] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 59.869037][ T1836] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.869038][ T1836] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.869040][ T1836] ? netlink_ack (./include/linux/skbuff.h:2718) [ 59.869041][ T1836] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 59.869044][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.869046][ T1836] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.869048][ T1836] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 59.869050][ T1836] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 59.869052][ T1836] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 59.869054][ T1836] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 59.869057][ T1836] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 59.869059][ T1836] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 59.869061][ T1836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.869063][ T1836] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 59.869066][ T1836] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 59.869069][ T1836] ____sys_sendmsg (net/socket.c:2713) [ 59.869071][ T1836] ? copy_msghdr_from_user (net/socket.c:2650) [ 59.869073][ T1836] ? sock_write_iter (net/socket.c:1269) [ 59.869074][ T1836] ? move_addr_to_kernel (net/socket.c:258) [ 59.869076][ T1836] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 59.869079][ T1836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.869081][ T1836] ___sys_sendmsg (net/socket.c:2767) [ 59.869082][ T1836] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 59.869084][ T1836] ? copy_msghdr_from_user (net/socket.c:2619) [ 59.869086][ T1836] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 59.869090][ T1836] __sys_sendmsg (net/socket.c:2799) [ 59.869093][ T1836] ? __sys_sendmsg_sock (net/socket.c:2780) [ 59.869095][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.869096][ T1836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.869098][ T1836] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 59.869100][ T1836] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 59.869102][ T1836] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.869104][ T1836] RIP: 0033:0x7f81ac69054e [ 59.869106][ T1836] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 59.869108][ T1836] RSP: 002b:00007ffc7ca3f2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 59.869112][ T1836] RAX: ffffffffffffffda RBX: 00007ffc7ca3fa88 RCX: 00007f81ac69054e [ 59.869113][ T1836] RDX: 0000000000000000 RSI: 00007ffc7ca3f370 RDI: 0000000000000005 [ 59.869114][ T1836] RBP: 00007ffc7ca3f2d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.869115][ T1836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913975 [ 59.869116][ T1836] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7ca3fa40 | [ 61.353562][ T1905] softirqs last disabled at (0): 0x0 | [ 61.353563][ T1905] Preemption disabled at: | [ 61.353564][ T1905] vprintk_emit (kernel/printk/printk.c:2471) | [ 61.353574][ T1905] Tainted: [W]=WARN [ 61.353575][ T1905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.353577][ T1905] Call Trace: [ 61.353579][ T1905] [ 61.353580][ T1905] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.353585][ T1905] ? vprintk_emit (kernel/printk/printk.c:2471) [ 61.353587][ T1905] __might_resched.cold (kernel/sched/core.c:9234) [ 61.353591][ T1905] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.353594][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353597][ T1905] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 61.353600][ T1905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.353603][ T1905] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.353608][ T1905] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 61.353610][ T1905] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.353612][ T1905] put_chars (drivers/char/virtio_console.c:1176) [ 61.353614][ T1905] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.353615][ T1905] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 61.353617][ T1905] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 61.353619][ T1905] ? pointer (lib/vsprintf.c:2577) [ 61.353622][ T1905] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.353627][ T1905] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.353629][ T1905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.353630][ T1905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.353633][ T1905] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.353636][ T1905] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.353638][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353639][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353640][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353640][ T1905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.353642][ T1905] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 61.353644][ T1905] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.353646][ T1905] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.353649][ T1905] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.353651][ T1905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.353652][ T1905] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.353654][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353655][ T1905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.353656][ T1905] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 61.353658][ T1905] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 61.353659][ T1905] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.353661][ T1905] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.353662][ T1905] vprintk_emit (kernel/printk/printk.c:2479) [ 61.353664][ T1905] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.353665][ T1905] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 61.353668][ T1905] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 61.353671][ T1905] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 61.353673][ T1905] _printk (kernel/printk/printk.c:2504) [ 61.353676][ T1905] ? snapshot_read.cold (user.c:?) [ 61.353678][ T1905] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 61.353680][ T1905] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 61.353683][ T1905] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 61.353685][ T1905] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.353688][ T1905] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 61.353690][ T1905] ? netdev_notice (net/core/dev.c:13194) [ 61.353692][ T1905] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 61.353694][ T1905] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 61.353696][ T1905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.353698][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353699][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353700][ T1905] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 61.353701][ T1905] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 61.353703][ T1905] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 61.353704][ T1905] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.353705][ T1905] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 61.353707][ T1905] ? register_netdev (net/core/dev.c:11618) [ 61.353708][ T1905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.353710][ T1905] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 61.353713][ T1905] ? __kernel_text_address (kernel/extable.c:79) [ 61.353715][ T1905] ? write_profile (profile.c:?) [ 61.353718][ T1905] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 61.353722][ T1905] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.353724][ T1905] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 61.353725][ T1905] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 61.353726][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353727][ T1905] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 61.353731][ T1905] ? kasan_save_stack (mm/kasan/common.c:58) [ 61.353732][ T1905] ? kasan_save_stack (mm/kasan/common.c:57) [ 61.353733][ T1905] ? kasan_save_track (mm/kasan/common.c:78) [ 61.353734][ T1905] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 61.353735][ T1905] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 61.353736][ T1905] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 61.353737][ T1905] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.353739][ T1905] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 61.353741][ T1905] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 61.353743][ T1905] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 61.353744][ T1905] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 61.353747][ T1905] ? ____sys_sendmsg (net/socket.c:2713) [ 61.353748][ T1905] ? ___sys_sendmsg (net/socket.c:2767) [ 61.353750][ T1905] ? __sys_sendmsg (net/socket.c:2799) [ 61.353752][ T1905] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.353754][ T1905] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.353756][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353757][ T1905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.353759][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353760][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353761][ T1905] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 61.353762][ T1905] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 61.353763][ T1905] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 61.353764][ T1905] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.353766][ T1905] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 61.353767][ T1905] ? nla_get_range_signed (lib/nlattr.c:270) [ 61.353770][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353771][ T1905] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 61.353773][ T1905] rtnl_newlink (net/core/rtnetlink.c:4215) [ 61.353775][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353776][ T1905] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.353777][ T1905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.353778][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353780][ T1905] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 61.353782][ T1905] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 61.353783][ T1905] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 61.353785][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353786][ T1905] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 61.353789][ T1905] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 61.353792][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353793][ T1905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.353794][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353795][ T1905] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.353796][ T1905] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.353798][ T1905] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.353800][ T1905] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 61.353801][ T1905] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 61.353803][ T1905] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 61.353805][ T1905] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.353806][ T1905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.353808][ T1905] ? netlink_ack (./include/linux/skbuff.h:2718) [ 61.353809][ T1905] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 61.353812][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353813][ T1905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.353815][ T1905] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 61.353818][ T1905] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 61.353819][ T1905] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.353821][ T1905] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 61.353823][ T1905] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 61.353825][ T1905] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 61.353826][ T1905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.353828][ T1905] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 61.353831][ T1905] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 61.353833][ T1905] ____sys_sendmsg (net/socket.c:2713) [ 61.353834][ T1905] ? copy_msghdr_from_user (net/socket.c:2650) [ 61.353836][ T1905] ? sock_write_iter (net/socket.c:1269) [ 61.353837][ T1905] ? move_addr_to_kernel (net/socket.c:258) [ 61.353839][ T1905] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 61.353841][ T1905] ___sys_sendmsg (net/socket.c:2767) [ 61.353843][ T1905] ? copy_msghdr_from_user (net/socket.c:2619) [ 61.353848][ T1905] __sys_sendmsg (net/socket.c:2799) [ 61.353850][ T1905] ? __sys_sendmsg_sock (net/socket.c:2780) [ 61.353852][ T1905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.353854][ T1905] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.353855][ T1905] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 61.353857][ T1905] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.353858][ T1905] RIP: 0033:0x7f4903b1554e [ 61.353860][ T1905] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 61.353862][ T1905] RSP: 002b:00007ffcc8d38e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 61.353866][ T1905] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4903b1554e [ 61.353867][ T1905] RDX: 0000000000000000 RSI: 00007ffcc8d38ef0 RDI: 0000000000000005 [ 61.353868][ T1905] RBP: 00007ffcc8d38e50 R08: 0000000000000000 R09: 0000000000000000 [ 61.353869][ T1905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913976 [ 61.353870][ T1905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc8d395b0 | [ 62.538774][ T1955] softirqs last disabled at (0): 0x0 | [ 62.538776][ T1955] Preemption disabled at: | [ 62.538777][ T1955] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.538787][ T1955] Tainted: [W]=WARN [ 62.538788][ T1955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.538790][ T1955] Call Trace: [ 62.538791][ T1955] [ 62.538792][ T1955] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.538798][ T1955] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.538799][ T1955] __might_resched.cold (kernel/sched/core.c:9234) [ 62.538803][ T1955] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 62.538805][ T1955] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.538808][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538811][ T1955] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 62.538813][ T1955] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.538816][ T1955] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.538821][ T1955] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 62.538823][ T1955] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.538825][ T1955] put_chars (drivers/char/virtio_console.c:1176) [ 62.538827][ T1955] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.538828][ T1955] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 62.538831][ T1955] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.538835][ T1955] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.538837][ T1955] ? vsnprintf (lib/vsprintf.c:2900) [ 62.538840][ T1955] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.538842][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538843][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538845][ T1955] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.538847][ T1955] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.538849][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538850][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538851][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538852][ T1955] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.538854][ T1955] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 62.538856][ T1955] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.538858][ T1955] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.538861][ T1955] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.538862][ T1955] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.538864][ T1955] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.538866][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538867][ T1955] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.538868][ T1955] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 62.538870][ T1955] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 62.538871][ T1955] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.538873][ T1955] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.538874][ T1955] vprintk_emit (kernel/printk/printk.c:2479) [ 62.538876][ T1955] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.538877][ T1955] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.538879][ T1955] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.538882][ T1955] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.538883][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538884][ T1955] _printk (kernel/printk/printk.c:2504) [ 62.538887][ T1955] ? snapshot_read.cold (user.c:?) [ 62.538889][ T1955] ? br_multicast_flood (??:?) [ 62.538893][ T1955] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 62.538896][ T1955] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 62.538897][ T1955] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.538899][ T1955] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 62.538901][ T1955] br_init_port (net/bridge/br_stp_if.c:39) [ 62.538903][ T1955] new_nbp (net/bridge/br_if.c:449) [ 62.538905][ T1955] br_add_if (net/bridge/br_if.c:592) [ 62.538907][ T1955] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 62.538911][ T1955] do_set_master (net/core/rtnetlink.c:3071) [ 62.538912][ T1955] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 62.538914][ T1955] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 62.538915][ T1955] ? __dev_get_by_name (net/core/dev.c:905) [ 62.538917][ T1955] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 62.538921][ T1955] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 62.538923][ T1955] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.538925][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538927][ T1955] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.538928][ T1955] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.538929][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538931][ T1955] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 62.538933][ T1955] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 62.538935][ T1955] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 62.538937][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538938][ T1955] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.538940][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538941][ T1955] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.538942][ T1955] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.538944][ T1955] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.538945][ T1955] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.538947][ T1955] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 62.538950][ T1955] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.538953][ T1955] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.538954][ T1955] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.538956][ T1955] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.538957][ T1955] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 62.538960][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.538961][ T1955] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.538963][ T1955] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.538965][ T1955] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.538967][ T1955] ? next_uptodate_folio (mm/filemap.c:3747) [ 62.538970][ T1955] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.538972][ T1955] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.538974][ T1955] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.538976][ T1955] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.538979][ T1955] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.538982][ T1955] ____sys_sendmsg (net/socket.c:2713) [ 62.538984][ T1955] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.538985][ T1955] ? sock_write_iter (net/socket.c:1269) [ 62.538987][ T1955] ? move_addr_to_kernel (net/socket.c:258) [ 62.538989][ T1955] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 62.538991][ T1955] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.538993][ T1955] ___sys_sendmsg (net/socket.c:2767) [ 62.538995][ T1955] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 62.538996][ T1955] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.538998][ T1955] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 62.539002][ T1955] __sys_sendmsg (net/socket.c:2799) [ 62.539004][ T1955] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.539007][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.539008][ T1955] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.539009][ T1955] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.539012][ T1955] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.539014][ T1955] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.539016][ T1955] RIP: 0033:0x7fe8b1da354e [ 62.539018][ T1955] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 62.539019][ T1955] RSP: 002b:00007fffa9186990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.539023][ T1955] RAX: ffffffffffffffda RBX: 00007fffa9187158 RCX: 00007fe8b1da354e [ 62.539024][ T1955] RDX: 0000000000000000 RSI: 00007fffa9186a40 RDI: 0000000000000005 [ 62.539025][ T1955] RBP: 00007fffa91869a0 R08: 0000000000000000 R09: 0000000000000000 [ 62.539026][ T1955] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913977 [ 62.539027][ T1955] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa9187110 | [ 68.917857][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 68.917859][ T12] Preemption disabled at: | [ 68.917860][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 68.917870][ T12] Tainted: [W]=WARN [ 68.917871][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.917873][ T12] Workqueue: netns cleanup_net [ 68.917878][ T12] Call Trace: [ 68.917880][ T12] [ 68.917881][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 68.917887][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 68.917888][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 68.917892][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 68.917894][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 68.917897][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917899][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 68.917902][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 68.917905][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.917910][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 68.917912][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.917914][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 68.917916][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 68.917917][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 68.917920][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 68.917924][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 68.917926][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 68.917928][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 68.917930][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917931][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917933][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 68.917935][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 68.917937][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917938][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917939][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917940][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.917942][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 68.917944][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 68.917947][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 68.917949][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 68.917951][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.917953][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 68.917954][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917955][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 68.917957][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 68.917958][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 68.917959][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 68.917962][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 68.917963][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 68.917964][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 68.917966][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 68.917967][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 68.917970][ T12] ? kthread (kernel/kthread.c:436) [ 68.917972][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 68.917975][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 68.917977][ T12] _printk (kernel/printk/printk.c:2504) [ 68.917980][ T12] ? snapshot_read.cold (user.c:?) [ 68.917982][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 68.917986][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 68.917988][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 68.917990][ T12] ? netdev_notice (net/core/dev.c:13194) [ 68.917992][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.917993][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 68.917994][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 68.917997][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 68.917999][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 68.918000][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 68.918002][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 68.918005][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 68.918008][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 68.918010][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 68.918013][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 68.918015][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 68.918016][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 68.918019][ T12] cleanup_net (net/core/net_namespace.c:706) [ 68.918021][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 68.918023][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.918025][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.918026][ T12] process_one_work (kernel/workqueue.c:3387) [ 68.918029][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 68.918031][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 68.918033][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 68.918035][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 68.918038][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 68.918040][ T12] kthread (kernel/kthread.c:436) [ 68.918041][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 68.918043][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 68.918045][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 68.918046][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 68.918048][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 68.918051][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 68.918053][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 70.173685][ T2148] softirqs last disabled at (0): 0x0 | [ 70.173686][ T2148] Preemption disabled at: | [ 70.173687][ T2148] vprintk_emit (kernel/printk/printk.c:2471) | [ 70.173697][ T2148] Tainted: [W]=WARN [ 70.173698][ T2148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 70.173699][ T2148] Call Trace: [ 70.173701][ T2148] [ 70.173702][ T2148] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 70.173708][ T2148] ? vprintk_emit (kernel/printk/printk.c:2471) [ 70.173709][ T2148] __might_resched.cold (kernel/sched/core.c:9234) [ 70.173712][ T2148] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 70.173715][ T2148] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 70.173718][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173720][ T2148] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 70.173723][ T2148] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 70.173726][ T2148] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 70.173731][ T2148] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 70.173733][ T2148] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 70.173735][ T2148] put_chars (drivers/char/virtio_console.c:1176) [ 70.173737][ T2148] ? __send_to_port (drivers/char/virtio_console.c:654) [ 70.173738][ T2148] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 70.173741][ T2148] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 70.173745][ T2148] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 70.173747][ T2148] ? vsnprintf (lib/vsprintf.c:2900) [ 70.173750][ T2148] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 70.173751][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173752][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173754][ T2148] console_emit_next_record (kernel/printk/printk.c:3183) [ 70.173756][ T2148] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 70.173758][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173759][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173760][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173761][ T2148] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.173763][ T2148] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 70.173765][ T2148] console_flush_one_record (kernel/printk/printk.c:3268) [ 70.173767][ T2148] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 70.173770][ T2148] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 70.173772][ T2148] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.173773][ T2148] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 70.173775][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173776][ T2148] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 70.173778][ T2148] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 70.173779][ T2148] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 70.173780][ T2148] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 70.173782][ T2148] ? vprintk_emit (kernel/printk/printk.c:2478) [ 70.173784][ T2148] vprintk_emit (kernel/printk/printk.c:2479) [ 70.173785][ T2148] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 70.173786][ T2148] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 70.173788][ T2148] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 70.173791][ T2148] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.173792][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173794][ T2148] _printk (kernel/printk/printk.c:2504) [ 70.173796][ T2148] ? snapshot_read.cold (user.c:?) [ 70.173798][ T2148] ? br_multicast_flood (??:?) [ 70.173801][ T2148] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 70.173804][ T2148] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 70.173805][ T2148] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 70.173807][ T2148] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 70.173812][ T2148] br_init_port (net/bridge/br_stp_if.c:39) [ 70.173813][ T2148] new_nbp (net/bridge/br_if.c:449) [ 70.173816][ T2148] br_add_if (net/bridge/br_if.c:592) [ 70.173817][ T2148] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 70.173822][ T2148] do_set_master (net/core/rtnetlink.c:3071) [ 70.173823][ T2148] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 70.173825][ T2148] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 70.173826][ T2148] ? __dev_get_by_name (net/core/dev.c:905) [ 70.173828][ T2148] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 70.173832][ T2148] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 70.173834][ T2148] rtnl_newlink (net/core/rtnetlink.c:4215) [ 70.173836][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173837][ T2148] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 70.173838][ T2148] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.173840][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173841][ T2148] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 70.173843][ T2148] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 70.173845][ T2148] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 70.173847][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173848][ T2148] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.173850][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173851][ T2148] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 70.173852][ T2148] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 70.173854][ T2148] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 70.173855][ T2148] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 70.173856][ T2148] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 70.173860][ T2148] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 70.173863][ T2148] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 70.173864][ T2148] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 70.173865][ T2148] ? netlink_ack (./include/linux/skbuff.h:2718) [ 70.173867][ T2148] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 70.173870][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173871][ T2148] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 70.173873][ T2148] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 70.173875][ T2148] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 70.173877][ T2148] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 70.173879][ T2148] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 70.173882][ T2148] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 70.173884][ T2148] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 70.173886][ T2148] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.173887][ T2148] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 70.173891][ T2148] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 70.173894][ T2148] ____sys_sendmsg (net/socket.c:2713) [ 70.173895][ T2148] ? copy_msghdr_from_user (net/socket.c:2650) [ 70.173897][ T2148] ? sock_write_iter (net/socket.c:1269) [ 70.173898][ T2148] ? move_addr_to_kernel (net/socket.c:258) [ 70.173900][ T2148] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 70.173903][ T2148] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.173905][ T2148] ___sys_sendmsg (net/socket.c:2767) [ 70.173906][ T2148] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 70.173908][ T2148] ? copy_msghdr_from_user (net/socket.c:2619) [ 70.173909][ T2148] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 70.173914][ T2148] __sys_sendmsg (net/socket.c:2799) [ 70.173916][ T2148] ? __sys_sendmsg_sock (net/socket.c:2780) [ 70.173918][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173920][ T2148] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.173921][ T2148] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 70.173923][ T2148] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 70.173925][ T2148] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 70.173927][ T2148] RIP: 0033:0x7f1298e0654e [ 70.173929][ T2148] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 70.173930][ T2148] RSP: 002b:00007ffe6e8b5550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 70.173934][ T2148] RAX: ffffffffffffffda RBX: 00007ffe6e8b5d18 RCX: 00007f1298e0654e [ 70.173935][ T2148] RDX: 0000000000000000 RSI: 00007ffe6e8b5600 RDI: 0000000000000005 [ 70.173936][ T2148] RBP: 00007ffe6e8b5560 R08: 0000000000000000 R09: 0000000000000000 [ 70.173937][ T2148] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91397f [ 70.173938][ T2148] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6e8b5cd0 | [ 71.604908][ T2216] softirqs last disabled at (0): 0x0 | [ 71.604909][ T2216] Preemption disabled at: | [ 71.604910][ T2216] vprintk_emit (kernel/printk/printk.c:2471) | [ 71.604920][ T2216] Tainted: [W]=WARN [ 71.604921][ T2216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.604923][ T2216] Call Trace: [ 71.604924][ T2216] [ 71.604926][ T2216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.604932][ T2216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 71.604933][ T2216] __might_resched.cold (kernel/sched/core.c:9234) [ 71.604937][ T2216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.604940][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.604942][ T2216] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 71.604945][ T2216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.604948][ T2216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.604953][ T2216] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 71.604955][ T2216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.604957][ T2216] put_chars (drivers/char/virtio_console.c:1176) [ 71.604959][ T2216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.604960][ T2216] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 71.604962][ T2216] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 71.604964][ T2216] ? pointer (lib/vsprintf.c:2577) [ 71.604967][ T2216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.604972][ T2216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.604974][ T2216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.604976][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.604978][ T2216] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.604981][ T2216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.604982][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.604983][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.604984][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.604985][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.604987][ T2216] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 71.604989][ T2216] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.604991][ T2216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.604994][ T2216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.604995][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.604997][ T2216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.604999][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605000][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.605001][ T2216] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 71.605002][ T2216] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 71.605004][ T2216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.605006][ T2216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.605007][ T2216] vprintk_emit (kernel/printk/printk.c:2479) [ 71.605009][ T2216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.605010][ T2216] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 71.605012][ T2216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.605015][ T2216] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 71.605017][ T2216] _printk (kernel/printk/printk.c:2504) [ 71.605020][ T2216] ? snapshot_read.cold (user.c:?) [ 71.605022][ T2216] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 71.605024][ T2216] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 71.605027][ T2216] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 71.605029][ T2216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.605032][ T2216] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 71.605034][ T2216] ? netdev_notice (net/core/dev.c:13194) [ 71.605036][ T2216] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 71.605038][ T2216] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 71.605040][ T2216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.605042][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605043][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605044][ T2216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.605045][ T2216] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 71.605046][ T2216] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 71.605048][ T2216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.605049][ T2216] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 71.605051][ T2216] ? register_netdev (net/core/dev.c:11618) [ 71.605052][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.605054][ T2216] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 71.605056][ T2216] ? __kernel_text_address (kernel/extable.c:79) [ 71.605058][ T2216] ? write_profile (profile.c:?) [ 71.605061][ T2216] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 71.605073][ T2216] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.605075][ T2216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 71.605076][ T2216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 71.605077][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605078][ T2216] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 71.605082][ T2216] ? kasan_save_stack (mm/kasan/common.c:58) [ 71.605084][ T2216] ? kasan_save_stack (mm/kasan/common.c:57) [ 71.605085][ T2216] ? kasan_save_track (mm/kasan/common.c:78) [ 71.605086][ T2216] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 71.605087][ T2216] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 71.605088][ T2216] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 71.605089][ T2216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.605090][ T2216] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.605093][ T2216] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.605094][ T2216] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.605096][ T2216] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.605099][ T2216] ? ____sys_sendmsg (net/socket.c:2713) [ 71.605100][ T2216] ? ___sys_sendmsg (net/socket.c:2767) [ 71.605101][ T2216] ? __sys_sendmsg (net/socket.c:2799) [ 71.605103][ T2216] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.605105][ T2216] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.605107][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605109][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.605110][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605111][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605112][ T2216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 71.605113][ T2216] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 71.605114][ T2216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 71.605116][ T2216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.605117][ T2216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 71.605118][ T2216] ? nla_get_range_signed (lib/nlattr.c:270) [ 71.605121][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605123][ T2216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 71.605125][ T2216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.605126][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605128][ T2216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.605129][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.605130][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605131][ T2216] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 71.605133][ T2216] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 71.605135][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.605136][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605137][ T2216] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 71.605140][ T2216] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 71.605143][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605144][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.605145][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605146][ T2216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.605147][ T2216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.605149][ T2216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.605150][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.605152][ T2216] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 71.605154][ T2216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.605156][ T2216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.605157][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.605158][ T2216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 71.605160][ T2216] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 71.605166][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605167][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.605169][ T2216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.605171][ T2216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 71.605173][ T2216] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.605175][ T2216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.605177][ T2216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 71.605179][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.605180][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.605182][ T2216] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 71.605185][ T2216] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.605187][ T2216] ____sys_sendmsg (net/socket.c:2713) [ 71.605188][ T2216] ? copy_msghdr_from_user (net/socket.c:2650) [ 71.605190][ T2216] ? sock_write_iter (net/socket.c:1269) [ 71.605191][ T2216] ? move_addr_to_kernel (net/socket.c:258) [ 71.605193][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.605195][ T2216] ___sys_sendmsg (net/socket.c:2767) [ 71.605197][ T2216] ? copy_msghdr_from_user (net/socket.c:2619) [ 71.605202][ T2216] __sys_sendmsg (net/socket.c:2799) [ 71.605203][ T2216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 71.605206][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.605207][ T2216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.605209][ T2216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 71.605211][ T2216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.605212][ T2216] RIP: 0033:0x7fc3447ec54e [ 71.605214][ T2216] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 71.605216][ T2216] RSP: 002b:00007ffc8305fb30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 71.605220][ T2216] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc3447ec54e [ 71.605221][ T2216] RDX: 0000000000000000 RSI: 00007ffc8305fbe0 RDI: 0000000000000005 [ 71.605222][ T2216] RBP: 00007ffc8305fb40 R08: 0000000000000000 R09: 0000000000000000 [ 71.605223][ T2216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913980 [ 71.605223][ T2216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc830602a0 | [ 72.740713][ T2274] softirqs last disabled at (0): 0x0 | [ 72.740715][ T2274] Preemption disabled at: | [ 72.740715][ T2274] vprintk_emit (kernel/printk/printk.c:2471) | [ 72.740724][ T2274] Tainted: [W]=WARN [ 72.740726][ T2274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.740727][ T2274] Call Trace: [ 72.740729][ T2274] [ 72.740730][ T2274] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.740735][ T2274] ? vprintk_emit (kernel/printk/printk.c:2471) [ 72.740737][ T2274] __might_resched.cold (kernel/sched/core.c:9234) [ 72.740740][ T2274] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 72.740743][ T2274] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.740746][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740749][ T2274] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 72.740751][ T2274] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.740754][ T2274] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.740759][ T2274] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 72.740761][ T2274] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.740763][ T2274] put_chars (drivers/char/virtio_console.c:1176) [ 72.740765][ T2274] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.740766][ T2274] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 72.740769][ T2274] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.740773][ T2274] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.740775][ T2274] ? vsnprintf (lib/vsprintf.c:2900) [ 72.740778][ T2274] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.740780][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740781][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740783][ T2274] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.740785][ T2274] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.740787][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740788][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740789][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740790][ T2274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.740792][ T2274] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 72.740794][ T2274] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.740797][ T2274] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.740799][ T2274] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.740801][ T2274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.740803][ T2274] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.740804][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740805][ T2274] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.740807][ T2274] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 72.740808][ T2274] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 72.740809][ T2274] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.740811][ T2274] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.740813][ T2274] vprintk_emit (kernel/printk/printk.c:2479) [ 72.740815][ T2274] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.740816][ T2274] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.740817][ T2274] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 72.740820][ T2274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.740822][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740823][ T2274] _printk (kernel/printk/printk.c:2504) [ 72.740826][ T2274] ? snapshot_read.cold (user.c:?) [ 72.740828][ T2274] ? br_multicast_flood (??:?) [ 72.740832][ T2274] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 72.740835][ T2274] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 72.740836][ T2274] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 72.740837][ T2274] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 72.740840][ T2274] br_init_port (net/bridge/br_stp_if.c:39) [ 72.740842][ T2274] new_nbp (net/bridge/br_if.c:449) [ 72.740844][ T2274] br_add_if (net/bridge/br_if.c:592) [ 72.740846][ T2274] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 72.740850][ T2274] do_set_master (net/core/rtnetlink.c:3071) [ 72.740852][ T2274] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 72.740854][ T2274] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 72.740855][ T2274] ? __dev_get_by_name (net/core/dev.c:905) [ 72.740857][ T2274] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 72.740861][ T2274] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 72.740864][ T2274] rtnl_newlink (net/core/rtnetlink.c:4215) [ 72.740866][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740867][ T2274] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.740868][ T2274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.740869][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740871][ T2274] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 72.740873][ T2274] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 72.740875][ T2274] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 72.740877][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740878][ T2274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.740880][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740881][ T2274] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.740882][ T2274] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 72.740884][ T2274] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.740885][ T2274] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 72.740886][ T2274] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 72.740890][ T2274] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 72.740893][ T2274] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.740894][ T2274] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.740896][ T2274] ? netlink_ack (./include/linux/skbuff.h:2718) [ 72.740897][ T2274] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 72.740900][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740901][ T2274] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.740903][ T2274] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 72.740905][ T2274] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 72.740907][ T2274] ? next_uptodate_folio (mm/filemap.c:3747) [ 72.740910][ T2274] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 72.740912][ T2274] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 72.740914][ T2274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.740916][ T2274] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 72.740919][ T2274] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 72.740922][ T2274] ____sys_sendmsg (net/socket.c:2713) [ 72.740924][ T2274] ? copy_msghdr_from_user (net/socket.c:2650) [ 72.740926][ T2274] ? sock_write_iter (net/socket.c:1269) [ 72.740927][ T2274] ? move_addr_to_kernel (net/socket.c:258) [ 72.740929][ T2274] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 72.740931][ T2274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.740933][ T2274] ___sys_sendmsg (net/socket.c:2767) [ 72.740935][ T2274] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 72.740936][ T2274] ? copy_msghdr_from_user (net/socket.c:2619) [ 72.740938][ T2274] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 72.740943][ T2274] __sys_sendmsg (net/socket.c:2799) [ 72.740945][ T2274] ? __sys_sendmsg_sock (net/socket.c:2780) [ 72.740947][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740948][ T2274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.740949][ T2274] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 72.740952][ T2274] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 72.740954][ T2274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 72.740956][ T2274] RIP: 0033:0x7f134c85654e [ 72.740958][ T2274] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 72.740960][ T2274] RSP: 002b:00007ffeb5365940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 72.740963][ T2274] RAX: ffffffffffffffda RBX: 00007ffeb5366108 RCX: 00007f134c85654e [ 72.740965][ T2274] RDX: 0000000000000000 RSI: 00007ffeb53659f0 RDI: 0000000000000005 [ 72.740965][ T2274] RBP: 00007ffeb5365950 R08: 0000000000000000 R09: 0000000000000000 [ 72.740966][ T2274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913982 [ 72.740967][ T2274] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb53660c0 | [ 79.022860][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 79.022862][ T12] Preemption disabled at: | [ 79.022862][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 79.022873][ T12] Tainted: [W]=WARN [ 79.022874][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 79.022876][ T12] Workqueue: netns cleanup_net [ 79.022881][ T12] Call Trace: [ 79.022883][ T12] [ 79.022884][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 79.022890][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 79.022891][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 79.022894][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 79.022896][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 79.022900][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022902][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 79.022905][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 79.022908][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.022913][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 79.022915][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.022917][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 79.022919][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 79.022920][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 79.022923][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 79.022927][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 79.022929][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 79.022932][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 79.022933][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022934][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022936][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 79.022939][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 79.022941][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022942][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022942][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022943][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.022946][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 79.022947][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 79.022950][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 79.022953][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 79.022954][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.022956][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 79.022957][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022958][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 79.022960][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 79.022961][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 79.022963][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 79.022965][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 79.022966][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 79.022968][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 79.022969][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 79.022970][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 79.022973][ T12] ? kthread (kernel/kthread.c:436) [ 79.022975][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 79.022978][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 79.022981][ T12] _printk (kernel/printk/printk.c:2504) [ 79.022984][ T12] ? snapshot_read.cold (user.c:?) [ 79.022986][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 79.022989][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 79.022991][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 79.022993][ T12] ? netdev_notice (net/core/dev.c:13194) [ 79.022995][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.022997][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 79.022998][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 79.023001][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 79.023002][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 79.023004][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 79.023006][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 79.023008][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 79.023012][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 79.023014][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 79.023016][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 79.023019][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 79.023020][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 79.023023][ T12] cleanup_net (net/core/net_namespace.c:706) [ 79.023025][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 79.023027][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.023028][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.023030][ T12] process_one_work (kernel/workqueue.c:3387) [ 79.023033][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 79.023035][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.023037][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 79.023039][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 79.023042][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 79.023043][ T12] kthread (kernel/kthread.c:436) [ 79.023045][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 79.023047][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 79.023048][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 79.023050][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 79.023052][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 79.023055][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 79.023056][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 80.297160][ T2466] softirqs last disabled at (0): 0x0 | [ 80.297161][ T2466] Preemption disabled at: | [ 80.297162][ T2466] vprintk_emit (kernel/printk/printk.c:2471) | [ 80.297174][ T2466] Tainted: [W]=WARN [ 80.297175][ T2466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.297176][ T2466] Call Trace: [ 80.297178][ T2466] [ 80.297179][ T2466] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.297185][ T2466] ? vprintk_emit (kernel/printk/printk.c:2471) [ 80.297186][ T2466] __might_resched.cold (kernel/sched/core.c:9234) [ 80.297190][ T2466] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 80.297192][ T2466] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.297195][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297198][ T2466] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 80.297201][ T2466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.297204][ T2466] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.297209][ T2466] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 80.297210][ T2466] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.297213][ T2466] put_chars (drivers/char/virtio_console.c:1176) [ 80.297214][ T2466] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.297216][ T2466] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 80.297218][ T2466] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.297223][ T2466] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.297225][ T2466] ? vsnprintf (lib/vsprintf.c:2900) [ 80.297228][ T2466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.297230][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297231][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297232][ T2466] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.297235][ T2466] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.297237][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297238][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297239][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297240][ T2466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.297242][ T2466] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 80.297244][ T2466] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.297246][ T2466] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.297249][ T2466] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.297250][ T2466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.297252][ T2466] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.297254][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297254][ T2466] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.297256][ T2466] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 80.297257][ T2466] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 80.297259][ T2466] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.297261][ T2466] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.297262][ T2466] vprintk_emit (kernel/printk/printk.c:2479) [ 80.297264][ T2466] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.297265][ T2466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.297267][ T2466] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 80.297269][ T2466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.297271][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297272][ T2466] _printk (kernel/printk/printk.c:2504) [ 80.297275][ T2466] ? snapshot_read.cold (user.c:?) [ 80.297277][ T2466] ? br_multicast_flood (??:?) [ 80.297281][ T2466] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 80.297284][ T2466] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 80.297285][ T2466] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 80.297286][ T2466] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 80.297289][ T2466] br_init_port (net/bridge/br_stp_if.c:39) [ 80.297291][ T2466] new_nbp (net/bridge/br_if.c:449) [ 80.297293][ T2466] br_add_if (net/bridge/br_if.c:592) [ 80.297294][ T2466] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 80.297298][ T2466] do_set_master (net/core/rtnetlink.c:3071) [ 80.297300][ T2466] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 80.297302][ T2466] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 80.297303][ T2466] ? __dev_get_by_name (net/core/dev.c:905) [ 80.297305][ T2466] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 80.297309][ T2466] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 80.297311][ T2466] rtnl_newlink (net/core/rtnetlink.c:4215) [ 80.297313][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297314][ T2466] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.297315][ T2466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.297317][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297318][ T2466] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 80.297321][ T2466] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 80.297323][ T2466] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 80.297325][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297326][ T2466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.297327][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297328][ T2466] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.297330][ T2466] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 80.297332][ T2466] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.297333][ T2466] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 80.297334][ T2466] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 80.297338][ T2466] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 80.297341][ T2466] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.297342][ T2466] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.297344][ T2466] ? netlink_ack (./include/linux/skbuff.h:2718) [ 80.297345][ T2466] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 80.297348][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297349][ T2466] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.297351][ T2466] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 80.297353][ T2466] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 80.297355][ T2466] ? next_uptodate_folio (mm/filemap.c:3747) [ 80.297358][ T2466] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 80.297360][ T2466] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 80.297362][ T2466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.297364][ T2466] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 80.297367][ T2466] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 80.297370][ T2466] ____sys_sendmsg (net/socket.c:2713) [ 80.297372][ T2466] ? copy_msghdr_from_user (net/socket.c:2650) [ 80.297373][ T2466] ? sock_write_iter (net/socket.c:1269) [ 80.297375][ T2466] ? move_addr_to_kernel (net/socket.c:258) [ 80.297377][ T2466] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 80.297379][ T2466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.297381][ T2466] ___sys_sendmsg (net/socket.c:2767) [ 80.297383][ T2466] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 80.297384][ T2466] ? copy_msghdr_from_user (net/socket.c:2619) [ 80.297386][ T2466] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 80.297390][ T2466] __sys_sendmsg (net/socket.c:2799) [ 80.297392][ T2466] ? __sys_sendmsg_sock (net/socket.c:2780) [ 80.297395][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297396][ T2466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.297397][ T2466] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 80.297400][ T2466] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 80.297402][ T2466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 80.297404][ T2466] RIP: 0033:0x7fe0734d954e [ 80.297406][ T2466] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 80.297407][ T2466] RSP: 002b:00007ffe29a4a520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 80.297411][ T2466] RAX: ffffffffffffffda RBX: 00007ffe29a4ace8 RCX: 00007fe0734d954e [ 80.297412][ T2466] RDX: 0000000000000000 RSI: 00007ffe29a4a5d0 RDI: 0000000000000005 [ 80.297413][ T2466] RBP: 00007ffe29a4a530 R08: 0000000000000000 R09: 0000000000000000 [ 80.297414][ T2466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913989 [ 80.297415][ T2466] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe29a4aca0 | [ 81.734984][ T2535] softirqs last disabled at (0): 0x0 | [ 81.734986][ T2535] Preemption disabled at: | [ 81.734987][ T2535] vprintk_emit (kernel/printk/printk.c:2471) | [ 81.734996][ T2535] Tainted: [W]=WARN [ 81.734997][ T2535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 81.734999][ T2535] Call Trace: [ 81.735000][ T2535] [ 81.735002][ T2535] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 81.735007][ T2535] ? vprintk_emit (kernel/printk/printk.c:2471) [ 81.735008][ T2535] __might_resched.cold (kernel/sched/core.c:9234) [ 81.735012][ T2535] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 81.735016][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735018][ T2535] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 81.735021][ T2535] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.735024][ T2535] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 81.735030][ T2535] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 81.735031][ T2535] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 81.735034][ T2535] put_chars (drivers/char/virtio_console.c:1176) [ 81.735035][ T2535] ? __send_to_port (drivers/char/virtio_console.c:654) [ 81.735036][ T2535] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 81.735039][ T2535] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 81.735041][ T2535] ? pointer (lib/vsprintf.c:2577) [ 81.735044][ T2535] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 81.735049][ T2535] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 81.735051][ T2535] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.735052][ T2535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.735055][ T2535] console_emit_next_record (kernel/printk/printk.c:3183) [ 81.735057][ T2535] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 81.735059][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735060][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735061][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735062][ T2535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.735064][ T2535] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 81.735066][ T2535] console_flush_one_record (kernel/printk/printk.c:3268) [ 81.735068][ T2535] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 81.735071][ T2535] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 81.735072][ T2535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.735074][ T2535] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 81.735076][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735077][ T2535] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.735078][ T2535] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 81.735079][ T2535] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 81.735081][ T2535] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 81.735083][ T2535] ? vprintk_emit (kernel/printk/printk.c:2478) [ 81.735084][ T2535] vprintk_emit (kernel/printk/printk.c:2479) [ 81.735086][ T2535] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 81.735087][ T2535] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 81.735089][ T2535] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 81.735093][ T2535] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 81.735095][ T2535] _printk (kernel/printk/printk.c:2504) [ 81.735098][ T2535] ? snapshot_read.cold (user.c:?) [ 81.735107][ T2535] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 81.735109][ T2535] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 81.735112][ T2535] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 81.735114][ T2535] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 81.735117][ T2535] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 81.735119][ T2535] ? netdev_notice (net/core/dev.c:13194) [ 81.735122][ T2535] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 81.735123][ T2535] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 81.735126][ T2535] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.735127][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735128][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735129][ T2535] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 81.735131][ T2535] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 81.735132][ T2535] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 81.735133][ T2535] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 81.735135][ T2535] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 81.735136][ T2535] ? register_netdev (net/core/dev.c:11618) [ 81.735138][ T2535] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.735140][ T2535] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 81.735142][ T2535] ? __kernel_text_address (kernel/extable.c:79) [ 81.735145][ T2535] ? write_profile (profile.c:?) [ 81.735147][ T2535] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 81.735151][ T2535] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 81.735153][ T2535] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 81.735154][ T2535] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 81.735155][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735156][ T2535] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 81.735159][ T2535] ? kasan_save_stack (mm/kasan/common.c:58) [ 81.735161][ T2535] ? kasan_save_stack (mm/kasan/common.c:57) [ 81.735162][ T2535] ? kasan_save_track (mm/kasan/common.c:78) [ 81.735166][ T2535] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 81.735167][ T2535] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 81.735168][ T2535] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 81.735170][ T2535] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 81.735171][ T2535] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 81.735173][ T2535] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 81.735175][ T2535] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 81.735176][ T2535] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 81.735179][ T2535] ? ____sys_sendmsg (net/socket.c:2713) [ 81.735180][ T2535] ? ___sys_sendmsg (net/socket.c:2767) [ 81.735181][ T2535] ? __sys_sendmsg (net/socket.c:2799) [ 81.735183][ T2535] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 81.735185][ T2535] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 81.735188][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735189][ T2535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.735190][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735191][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735192][ T2535] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 81.735194][ T2535] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 81.735195][ T2535] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 81.735196][ T2535] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 81.735197][ T2535] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 81.735198][ T2535] ? nla_get_range_signed (lib/nlattr.c:270) [ 81.735202][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735203][ T2535] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 81.735205][ T2535] rtnl_newlink (net/core/rtnetlink.c:4215) [ 81.735207][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735208][ T2535] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 81.735209][ T2535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.735211][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735212][ T2535] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 81.735214][ T2535] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 81.735215][ T2535] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 81.735217][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735218][ T2535] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 81.735221][ T2535] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 81.735224][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735225][ T2535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.735226][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735227][ T2535] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 81.735229][ T2535] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 81.735230][ T2535] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 81.735232][ T2535] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 81.735233][ T2535] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 81.735235][ T2535] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 81.735237][ T2535] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 81.735238][ T2535] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.735240][ T2535] ? netlink_ack (./include/linux/skbuff.h:2718) [ 81.735241][ T2535] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 81.735244][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735245][ T2535] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.735247][ T2535] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 81.735249][ T2535] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 81.735251][ T2535] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 81.735253][ T2535] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 81.735255][ T2535] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 81.735256][ T2535] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 81.735258][ T2535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.735260][ T2535] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 81.735263][ T2535] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 81.735265][ T2535] ____sys_sendmsg (net/socket.c:2713) [ 81.735266][ T2535] ? copy_msghdr_from_user (net/socket.c:2650) [ 81.735268][ T2535] ? sock_write_iter (net/socket.c:1269) [ 81.735269][ T2535] ? move_addr_to_kernel (net/socket.c:258) [ 81.735271][ T2535] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 81.735273][ T2535] ___sys_sendmsg (net/socket.c:2767) [ 81.735275][ T2535] ? copy_msghdr_from_user (net/socket.c:2619) [ 81.735280][ T2535] __sys_sendmsg (net/socket.c:2799) [ 81.735281][ T2535] ? __sys_sendmsg_sock (net/socket.c:2780) [ 81.735284][ T2535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.735285][ T2535] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 81.735287][ T2535] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 81.735289][ T2535] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 81.735290][ T2535] RIP: 0033:0x7fadd451b54e [ 81.735292][ T2535] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 81.735294][ T2535] RSP: 002b:00007ffe38c41760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 81.735297][ T2535] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fadd451b54e [ 81.735299][ T2535] RDX: 0000000000000000 RSI: 00007ffe38c41810 RDI: 0000000000000005 [ 81.735300][ T2535] RBP: 00007ffe38c41770 R08: 0000000000000000 R09: 0000000000000000 [ 81.735300][ T2535] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91398b [ 81.735301][ T2535] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe38c41ed0 | [ 82.838192][ T2585] softirqs last disabled at (0): 0x0 | [ 82.838194][ T2585] Preemption disabled at: | [ 82.838194][ T2585] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.838204][ T2585] Tainted: [W]=WARN [ 82.838205][ T2585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.838206][ T2585] Call Trace: [ 82.838208][ T2585] [ 82.838209][ T2585] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.838215][ T2585] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.838216][ T2585] __might_resched.cold (kernel/sched/core.c:9234) [ 82.838220][ T2585] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 82.838222][ T2585] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.838225][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838227][ T2585] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 82.838230][ T2585] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.838233][ T2585] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.838238][ T2585] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 82.838240][ T2585] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.838242][ T2585] put_chars (drivers/char/virtio_console.c:1176) [ 82.838244][ T2585] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.838245][ T2585] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 82.838248][ T2585] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.838252][ T2585] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.838254][ T2585] ? vsnprintf (lib/vsprintf.c:2900) [ 82.838257][ T2585] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.838259][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838260][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838261][ T2585] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.838264][ T2585] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.838266][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838267][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838268][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838269][ T2585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.838271][ T2585] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 82.838273][ T2585] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.838275][ T2585] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.838278][ T2585] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.838280][ T2585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.838281][ T2585] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.838283][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838284][ T2585] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.838285][ T2585] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 82.838287][ T2585] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 82.838288][ T2585] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.838290][ T2585] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.838291][ T2585] vprintk_emit (kernel/printk/printk.c:2479) [ 82.838293][ T2585] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.838294][ T2585] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.838296][ T2585] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.838299][ T2585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.838300][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838302][ T2585] _printk (kernel/printk/printk.c:2504) [ 82.838305][ T2585] ? snapshot_read.cold (user.c:?) [ 82.838307][ T2585] ? br_multicast_flood (??:?) [ 82.838310][ T2585] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 82.838313][ T2585] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 82.838314][ T2585] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.838316][ T2585] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 82.838319][ T2585] br_init_port (net/bridge/br_stp_if.c:39) [ 82.838321][ T2585] new_nbp (net/bridge/br_if.c:449) [ 82.838323][ T2585] br_add_if (net/bridge/br_if.c:592) [ 82.838325][ T2585] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 82.838329][ T2585] do_set_master (net/core/rtnetlink.c:3071) [ 82.838331][ T2585] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 82.838332][ T2585] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 82.838334][ T2585] ? __dev_get_by_name (net/core/dev.c:905) [ 82.838335][ T2585] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 82.838339][ T2585] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 82.838342][ T2585] rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.838344][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838345][ T2585] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.838346][ T2585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.838348][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838349][ T2585] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 82.838352][ T2585] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 82.838353][ T2585] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 82.838356][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838357][ T2585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.838359][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838360][ T2585] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.838361][ T2585] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.838363][ T2585] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.838364][ T2585] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.838366][ T2585] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.838369][ T2585] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.838372][ T2585] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.838373][ T2585] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.838375][ T2585] ? netlink_ack (./include/linux/skbuff.h:2718) [ 82.838377][ T2585] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 82.838380][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838381][ T2585] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.838383][ T2585] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.838385][ T2585] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 82.838387][ T2585] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 82.838389][ T2585] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 82.838392][ T2585] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.838394][ T2585] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 82.838396][ T2585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.838398][ T2585] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 82.838401][ T2585] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.838404][ T2585] ____sys_sendmsg (net/socket.c:2713) [ 82.838406][ T2585] ? copy_msghdr_from_user (net/socket.c:2650) [ 82.838408][ T2585] ? sock_write_iter (net/socket.c:1269) [ 82.838409][ T2585] ? move_addr_to_kernel (net/socket.c:258) [ 82.838411][ T2585] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 82.838414][ T2585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.838416][ T2585] ___sys_sendmsg (net/socket.c:2767) [ 82.838417][ T2585] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 82.838419][ T2585] ? copy_msghdr_from_user (net/socket.c:2619) [ 82.838421][ T2585] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 82.838425][ T2585] __sys_sendmsg (net/socket.c:2799) [ 82.838427][ T2585] ? __sys_sendmsg_sock (net/socket.c:2780) [ 82.838430][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838431][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.838432][ T2585] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.838435][ T2585] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 82.838437][ T2585] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.838439][ T2585] RIP: 0033:0x7f44f36a854e [ 82.838441][ T2585] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 82.838443][ T2585] RSP: 002b:00007ffeccb52440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 82.838447][ T2585] RAX: ffffffffffffffda RBX: 00007ffeccb52c08 RCX: 00007f44f36a854e [ 82.838448][ T2585] RDX: 0000000000000000 RSI: 00007ffeccb524f0 RDI: 0000000000000005 [ 82.838449][ T2585] RBP: 00007ffeccb52450 R08: 0000000000000000 R09: 0000000000000000 [ 82.838450][ T2585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91398c [ 82.838451][ T2585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeccb52bc0 | [ 89.054488][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 89.054490][ T12] Preemption disabled at: | [ 89.054491][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 89.054502][ T12] Tainted: [W]=WARN [ 89.054503][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.054505][ T12] Workqueue: netns cleanup_net [ 89.054511][ T12] Call Trace: [ 89.054512][ T12] [ 89.054514][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 89.054519][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 89.054520][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 89.054524][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 89.054526][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 89.054529][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054532][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 89.054534][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.054538][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.054542][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 89.054544][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.054546][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 89.054548][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 89.054550][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 89.054552][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 89.054557][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 89.054558][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 89.054561][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.054563][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054564][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054565][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 89.054568][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 89.054570][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054571][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054572][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054573][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.054575][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 89.054577][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 89.054580][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 89.054582][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 89.054584][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.054586][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 89.054587][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054588][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.054590][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 89.054591][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 89.054593][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 89.054595][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 89.054596][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 89.054597][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 89.054599][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 89.054600][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 89.054603][ T12] ? kthread (kernel/kthread.c:436) [ 89.054605][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 89.054608][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 89.054610][ T12] _printk (kernel/printk/printk.c:2504) [ 89.054613][ T12] ? snapshot_read.cold (user.c:?) [ 89.054615][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 89.054618][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 89.054620][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 89.054623][ T12] ? netdev_notice (net/core/dev.c:13194) [ 89.054625][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054626][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 89.054627][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 89.054630][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 89.054631][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 89.054633][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 89.054635][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 89.054637][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 89.054641][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 89.054643][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 89.054645][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 89.054647][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 89.054649][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 89.054652][ T12] cleanup_net (net/core/net_namespace.c:706) [ 89.054654][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 89.054656][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.054658][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.054659][ T12] process_one_work (kernel/workqueue.c:3387) [ 89.054662][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 89.054664][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 89.054666][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.054668][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 89.054671][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 89.054673][ T12] kthread (kernel/kthread.c:436) [ 89.054675][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 89.054676][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 89.054678][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 89.054680][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 89.054682][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 89.054685][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 89.054686][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 90.299333][ T2777] softirqs last disabled at (0): 0x0 | [ 90.299336][ T2777] Preemption disabled at: | [ 90.299337][ T2777] vprintk_emit (kernel/printk/printk.c:2471) | [ 90.299349][ T2777] Tainted: [W]=WARN [ 90.299351][ T2777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 90.299353][ T2777] Call Trace: [ 90.299355][ T2777] [ 90.299357][ T2777] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 90.299363][ T2777] ? vprintk_emit (kernel/printk/printk.c:2471) [ 90.299365][ T2777] __might_resched.cold (kernel/sched/core.c:9234) [ 90.299369][ T2777] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 90.299372][ T2777] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 90.299376][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299380][ T2777] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 90.299383][ T2777] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.299387][ T2777] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.299393][ T2777] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 90.299395][ T2777] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.299399][ T2777] put_chars (drivers/char/virtio_console.c:1176) [ 90.299401][ T2777] ? __send_to_port (drivers/char/virtio_console.c:654) [ 90.299404][ T2777] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 90.299407][ T2777] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 90.299414][ T2777] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 90.299416][ T2777] ? vsnprintf (lib/vsprintf.c:2900) [ 90.299420][ T2777] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.299422][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299423][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299426][ T2777] console_emit_next_record (kernel/printk/printk.c:3183) [ 90.299430][ T2777] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 90.299433][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299435][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299436][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299438][ T2777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.299441][ T2777] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 90.299444][ T2777] console_flush_one_record (kernel/printk/printk.c:3268) [ 90.299448][ T2777] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 90.299452][ T2777] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 90.299454][ T2777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.299456][ T2777] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 90.299459][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299460][ T2777] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.299463][ T2777] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 90.299465][ T2777] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 90.299467][ T2777] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 90.299470][ T2777] ? vprintk_emit (kernel/printk/printk.c:2478) [ 90.299472][ T2777] vprintk_emit (kernel/printk/printk.c:2479) [ 90.299475][ T2777] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 90.299476][ T2777] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.299479][ T2777] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 90.299483][ T2777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.299485][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299487][ T2777] _printk (kernel/printk/printk.c:2504) [ 90.299491][ T2777] ? snapshot_read.cold (user.c:?) [ 90.299494][ T2777] ? br_multicast_flood (??:?) [ 90.299498][ T2777] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 90.299501][ T2777] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 90.299503][ T2777] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 90.299506][ T2777] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 90.299509][ T2777] br_init_port (net/bridge/br_stp_if.c:39) [ 90.299512][ T2777] new_nbp (net/bridge/br_if.c:449) [ 90.299515][ T2777] br_add_if (net/bridge/br_if.c:592) [ 90.299517][ T2777] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 90.299523][ T2777] do_set_master (net/core/rtnetlink.c:3071) [ 90.299526][ T2777] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 90.299529][ T2777] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 90.299530][ T2777] ? __dev_get_by_name (net/core/dev.c:905) [ 90.299533][ T2777] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 90.299538][ T2777] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 90.299542][ T2777] rtnl_newlink (net/core/rtnetlink.c:4215) [ 90.299545][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299547][ T2777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 90.299549][ T2777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.299552][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299554][ T2777] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 90.299557][ T2777] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 90.299560][ T2777] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 90.299562][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299564][ T2777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.299566][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299568][ T2777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 90.299570][ T2777] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 90.299573][ T2777] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 90.299575][ T2777] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 90.299577][ T2777] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 90.299583][ T2777] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 90.299586][ T2777] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 90.299588][ T2777] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.299590][ T2777] ? netlink_ack (./include/linux/skbuff.h:2718) [ 90.299593][ T2777] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 90.299597][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299599][ T2777] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.299602][ T2777] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 90.299605][ T2777] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 90.299608][ T2777] ? next_uptodate_folio (mm/filemap.c:3747) [ 90.299612][ T2777] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 90.299615][ T2777] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 90.299618][ T2777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.299620][ T2777] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 90.299625][ T2777] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 90.299629][ T2777] ____sys_sendmsg (net/socket.c:2713) [ 90.299631][ T2777] ? copy_msghdr_from_user (net/socket.c:2650) [ 90.299633][ T2777] ? sock_write_iter (net/socket.c:1269) [ 90.299635][ T2777] ? move_addr_to_kernel (net/socket.c:258) [ 90.299639][ T2777] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 90.299642][ T2777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.299645][ T2777] ___sys_sendmsg (net/socket.c:2767) [ 90.299647][ T2777] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 90.299650][ T2777] ? copy_msghdr_from_user (net/socket.c:2619) [ 90.299652][ T2777] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 90.299659][ T2777] __sys_sendmsg (net/socket.c:2799) [ 90.299662][ T2777] ? __sys_sendmsg_sock (net/socket.c:2780) [ 90.299666][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299668][ T2777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.299670][ T2777] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 90.299674][ T2777] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 90.299676][ T2777] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 90.299679][ T2777] RIP: 0033:0x7f05f446254e [ 90.299682][ T2777] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 90.299685][ T2777] RSP: 002b:00007ffd610d4b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 90.299689][ T2777] RAX: ffffffffffffffda RBX: 00007ffd610d5338 RCX: 00007f05f446254e [ 90.299691][ T2777] RDX: 0000000000000000 RSI: 00007ffd610d4c20 RDI: 0000000000000005 [ 90.299693][ T2777] RBP: 00007ffd610d4b80 R08: 0000000000000000 R09: 0000000000000000 [ 90.299694][ T2777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913993 [ 90.299696][ T2777] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd610d52f0 | [ 91.723391][ T2847] softirqs last disabled at (0): 0x0 | [ 91.723393][ T2847] Preemption disabled at: | [ 91.723393][ T2847] vprintk_emit (kernel/printk/printk.c:2471) | [ 91.723403][ T2847] Tainted: [W]=WARN [ 91.723404][ T2847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.723406][ T2847] Call Trace: [ 91.723407][ T2847] [ 91.723409][ T2847] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 91.723414][ T2847] ? vprintk_emit (kernel/printk/printk.c:2471) [ 91.723416][ T2847] __might_resched.cold (kernel/sched/core.c:9234) [ 91.723419][ T2847] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 91.723423][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723425][ T2847] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 91.723428][ T2847] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.723431][ T2847] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.723436][ T2847] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 91.723438][ T2847] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.723441][ T2847] put_chars (drivers/char/virtio_console.c:1176) [ 91.723443][ T2847] ? __send_to_port (drivers/char/virtio_console.c:654) [ 91.723445][ T2847] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 91.723448][ T2847] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 91.723450][ T2847] ? pointer (lib/vsprintf.c:2577) [ 91.723454][ T2847] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 91.723459][ T2847] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 91.723460][ T2847] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.723462][ T2847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.723465][ T2847] console_emit_next_record (kernel/printk/printk.c:3183) [ 91.723467][ T2847] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 91.723469][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723470][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723471][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723472][ T2847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.723474][ T2847] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 91.723476][ T2847] console_flush_one_record (kernel/printk/printk.c:3268) [ 91.723478][ T2847] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 91.723481][ T2847] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 91.723483][ T2847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.723484][ T2847] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 91.723486][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723487][ T2847] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 91.723488][ T2847] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 91.723490][ T2847] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 91.723491][ T2847] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 91.723494][ T2847] ? vprintk_emit (kernel/printk/printk.c:2478) [ 91.723495][ T2847] vprintk_emit (kernel/printk/printk.c:2479) [ 91.723497][ T2847] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 91.723498][ T2847] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 91.723500][ T2847] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.723503][ T2847] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 91.723506][ T2847] _printk (kernel/printk/printk.c:2504) [ 91.723509][ T2847] ? snapshot_read.cold (user.c:?) [ 91.723511][ T2847] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 91.723513][ T2847] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 91.723516][ T2847] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 91.723518][ T2847] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 91.723521][ T2847] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 91.723523][ T2847] ? netdev_notice (net/core/dev.c:13194) [ 91.723525][ T2847] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 91.723527][ T2847] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 91.723530][ T2847] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.723531][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723532][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723533][ T2847] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.723535][ T2847] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 91.723536][ T2847] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 91.723538][ T2847] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 91.723539][ T2847] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 91.723541][ T2847] ? register_netdev (net/core/dev.c:11618) [ 91.723542][ T2847] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 91.723544][ T2847] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 91.723547][ T2847] ? __kernel_text_address (kernel/extable.c:79) [ 91.723549][ T2847] ? write_profile (profile.c:?) [ 91.723552][ T2847] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 91.723556][ T2847] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 91.723557][ T2847] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 91.723559][ T2847] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 91.723560][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723561][ T2847] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 91.723564][ T2847] ? kasan_save_stack (mm/kasan/common.c:58) [ 91.723566][ T2847] ? kasan_save_stack (mm/kasan/common.c:57) [ 91.723567][ T2847] ? kasan_save_track (mm/kasan/common.c:78) [ 91.723568][ T2847] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 91.723569][ T2847] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 91.723570][ T2847] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 91.723571][ T2847] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 91.723573][ T2847] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 91.723576][ T2847] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 91.723577][ T2847] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 91.723579][ T2847] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 91.723581][ T2847] ? ____sys_sendmsg (net/socket.c:2713) [ 91.723583][ T2847] ? ___sys_sendmsg (net/socket.c:2767) [ 91.723584][ T2847] ? __sys_sendmsg (net/socket.c:2799) [ 91.723586][ T2847] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 91.723588][ T2847] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 91.723590][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723591][ T2847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.723593][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723594][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723595][ T2847] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 91.723596][ T2847] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 91.723598][ T2847] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 91.723599][ T2847] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 91.723600][ T2847] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 91.723601][ T2847] ? nla_get_range_signed (lib/nlattr.c:270) [ 91.723605][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723606][ T2847] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 91.723608][ T2847] rtnl_newlink (net/core/rtnetlink.c:4215) [ 91.723610][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723611][ T2847] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 91.723612][ T2847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.723614][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723615][ T2847] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 91.723617][ T2847] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 91.723619][ T2847] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 91.723620][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723621][ T2847] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 91.723624][ T2847] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 91.723626][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723627][ T2847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.723629][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723630][ T2847] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 91.723631][ T2847] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 91.723633][ T2847] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 91.723634][ T2847] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 91.723635][ T2847] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 91.723638][ T2847] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 91.723640][ T2847] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 91.723641][ T2847] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 91.723642][ T2847] ? netlink_ack (./include/linux/skbuff.h:2718) [ 91.723644][ T2847] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 91.723647][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723648][ T2847] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 91.723650][ T2847] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 91.723652][ T2847] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 91.723654][ T2847] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 91.723656][ T2847] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 91.723658][ T2847] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 91.723660][ T2847] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 91.723662][ T2847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.723663][ T2847] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 91.723666][ T2847] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 91.723668][ T2847] ____sys_sendmsg (net/socket.c:2713) [ 91.723670][ T2847] ? copy_msghdr_from_user (net/socket.c:2650) [ 91.723672][ T2847] ? sock_write_iter (net/socket.c:1269) [ 91.723673][ T2847] ? move_addr_to_kernel (net/socket.c:258) [ 91.723675][ T2847] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 91.723677][ T2847] ___sys_sendmsg (net/socket.c:2767) [ 91.723679][ T2847] ? copy_msghdr_from_user (net/socket.c:2619) [ 91.723684][ T2847] __sys_sendmsg (net/socket.c:2799) [ 91.723686][ T2847] ? __sys_sendmsg_sock (net/socket.c:2780) [ 91.723689][ T2847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.723690][ T2847] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 91.723692][ T2847] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 91.723694][ T2847] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 91.723695][ T2847] RIP: 0033:0x7eff51ddc54e [ 91.723697][ T2847] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 91.723699][ T2847] RSP: 002b:00007ffc700d45e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 91.723703][ T2847] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007eff51ddc54e [ 91.723704][ T2847] RDX: 0000000000000000 RSI: 00007ffc700d4690 RDI: 0000000000000005 [ 91.723705][ T2847] RBP: 00007ffc700d45f0 R08: 0000000000000000 R09: 0000000000000000 [ 91.723706][ T2847] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913995 [ 91.723707][ T2847] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc700d4d50 | [ 92.937856][ T2898] softirqs last disabled at (0): 0x0 | [ 92.937858][ T2898] Preemption disabled at: | [ 92.937859][ T2898] vprintk_emit (kernel/printk/printk.c:2471) | [ 92.937869][ T2898] Tainted: [W]=WARN [ 92.937870][ T2898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.937872][ T2898] Call Trace: [ 92.937874][ T2898] [ 92.937875][ T2898] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 92.937880][ T2898] ? vprintk_emit (kernel/printk/printk.c:2471) [ 92.937882][ T2898] __might_resched.cold (kernel/sched/core.c:9234) [ 92.937885][ T2898] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 92.937888][ T2898] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.937891][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937893][ T2898] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 92.937896][ T2898] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.937899][ T2898] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.937905][ T2898] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 92.937906][ T2898] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.937909][ T2898] put_chars (drivers/char/virtio_console.c:1176) [ 92.937911][ T2898] ? __send_to_port (drivers/char/virtio_console.c:654) [ 92.937912][ T2898] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 92.937915][ T2898] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 92.937920][ T2898] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 92.937921][ T2898] ? vsnprintf (lib/vsprintf.c:2900) [ 92.937924][ T2898] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.937926][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937927][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937929][ T2898] console_emit_next_record (kernel/printk/printk.c:3183) [ 92.937932][ T2898] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 92.937934][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937935][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937936][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937937][ T2898] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.937939][ T2898] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 92.937941][ T2898] console_flush_one_record (kernel/printk/printk.c:3268) [ 92.937944][ T2898] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 92.937946][ T2898] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 92.937948][ T2898] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.937950][ T2898] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 92.937951][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937952][ T2898] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.937954][ T2898] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 92.937955][ T2898] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 92.937957][ T2898] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 92.937959][ T2898] ? vprintk_emit (kernel/printk/printk.c:2478) [ 92.937960][ T2898] vprintk_emit (kernel/printk/printk.c:2479) [ 92.937962][ T2898] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 92.937963][ T2898] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.937965][ T2898] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.937968][ T2898] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.937969][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.937971][ T2898] _printk (kernel/printk/printk.c:2504) [ 92.937974][ T2898] ? snapshot_read.cold (user.c:?) [ 92.937976][ T2898] ? br_multicast_flood (??:?) [ 92.937979][ T2898] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 92.937982][ T2898] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 92.937983][ T2898] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 92.937985][ T2898] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 92.937988][ T2898] br_init_port (net/bridge/br_stp_if.c:39) [ 92.937990][ T2898] new_nbp (net/bridge/br_if.c:449) [ 92.937992][ T2898] br_add_if (net/bridge/br_if.c:592) [ 92.937994][ T2898] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 92.937998][ T2898] do_set_master (net/core/rtnetlink.c:3071) [ 92.938000][ T2898] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 92.938001][ T2898] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 92.938003][ T2898] ? __dev_get_by_name (net/core/dev.c:905) [ 92.938004][ T2898] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 92.938008][ T2898] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 92.938010][ T2898] rtnl_newlink (net/core/rtnetlink.c:4215) [ 92.938012][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.938014][ T2898] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 92.938015][ T2898] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.938016][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.938018][ T2898] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 92.938020][ T2898] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 92.938022][ T2898] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 92.938025][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.938026][ T2898] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.938027][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.938028][ T2898] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 92.938030][ T2898] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 92.938031][ T2898] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 92.938033][ T2898] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.938034][ T2898] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 92.938038][ T2898] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 92.938041][ T2898] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 92.938042][ T2898] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.938043][ T2898] ? netlink_ack (./include/linux/skbuff.h:2718) [ 92.938045][ T2898] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 92.938048][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.938049][ T2898] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.938051][ T2898] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 92.938053][ T2898] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 92.938055][ T2898] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 92.938057][ T2898] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 92.938060][ T2898] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 92.938062][ T2898] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 92.938064][ T2898] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.938066][ T2898] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 92.938070][ T2898] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 92.938073][ T2898] ____sys_sendmsg (net/socket.c:2713) [ 92.938074][ T2898] ? copy_msghdr_from_user (net/socket.c:2650) [ 92.938076][ T2898] ? sock_write_iter (net/socket.c:1269) [ 92.938077][ T2898] ? move_addr_to_kernel (net/socket.c:258) [ 92.938080][ T2898] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 92.938082][ T2898] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.938084][ T2898] ___sys_sendmsg (net/socket.c:2767) [ 92.938085][ T2898] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 92.938087][ T2898] ? copy_msghdr_from_user (net/socket.c:2619) [ 92.938089][ T2898] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 92.938093][ T2898] __sys_sendmsg (net/socket.c:2799) [ 92.938095][ T2898] ? __sys_sendmsg_sock (net/socket.c:2780) [ 92.938098][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.938099][ T2898] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.938100][ T2898] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 92.938103][ T2898] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 92.938105][ T2898] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.938107][ T2898] RIP: 0033:0x7f6c8ffc454e [ 92.938109][ T2898] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 92.938110][ T2898] RSP: 002b:00007fffa8c51dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 92.938114][ T2898] RAX: ffffffffffffffda RBX: 00007fffa8c52598 RCX: 00007f6c8ffc454e [ 92.938115][ T2898] RDX: 0000000000000000 RSI: 00007fffa8c51e80 RDI: 0000000000000005 [ 92.938116][ T2898] RBP: 00007fffa8c51de0 R08: 0000000000000000 R09: 0000000000000000 [ 92.938117][ T2898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913996 [ 92.938118][ T2898] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa8c52550 | [ 99.845551][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 99.845553][ T12] Preemption disabled at: | [ 99.845553][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 99.845564][ T12] Tainted: [W]=WARN [ 99.845566][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 99.845568][ T12] Workqueue: netns cleanup_net [ 99.845573][ T12] Call Trace: [ 99.845575][ T12] [ 99.845577][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 99.845582][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 99.845583][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 99.845587][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 99.845589][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 99.845592][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845595][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 99.845597][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.845601][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.845605][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 99.845607][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.845609][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 99.845611][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 99.845613][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 99.845615][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 99.845620][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 99.845621][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 99.845624][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.845625][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845626][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845628][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 99.845631][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 99.845633][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845634][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845635][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845636][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.845638][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 99.845640][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 99.845643][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 99.845645][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 99.845647][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.845649][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 99.845650][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845651][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.845653][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 99.845654][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 99.845656][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 99.845658][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 99.845659][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 99.845661][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 99.845662][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 99.845663][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 99.845666][ T12] ? kthread (kernel/kthread.c:436) [ 99.845669][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 99.845671][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 99.845674][ T12] _printk (kernel/printk/printk.c:2504) [ 99.845677][ T12] ? snapshot_read.cold (user.c:?) [ 99.845679][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 99.845683][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 99.845685][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 99.845687][ T12] ? netdev_notice (net/core/dev.c:13194) [ 99.845689][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845690][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 99.845692][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 99.845695][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 99.845696][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 99.845697][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 99.845700][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 99.845702][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 99.845706][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 99.845708][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 99.845711][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 99.845713][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 99.845715][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 99.845718][ T12] cleanup_net (net/core/net_namespace.c:706) [ 99.845719][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 99.845721][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.845723][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.845724][ T12] process_one_work (kernel/workqueue.c:3387) [ 99.845727][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 99.845729][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 99.845731][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.845734][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 99.845737][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 99.845739][ T12] kthread (kernel/kthread.c:436) [ 99.845740][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.845742][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 99.845744][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 99.845746][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 99.845747][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 99.845750][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 99.845752][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 101.104853][ T3156] softirqs last disabled at (0): 0x0 | [ 101.104856][ T3156] Preemption disabled at: | [ 101.104856][ T3156] vprintk_emit (kernel/printk/printk.c:2471) | [ 101.104869][ T3156] Tainted: [W]=WARN [ 101.104870][ T3156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.104872][ T3156] Call Trace: [ 101.104874][ T3156] [ 101.104875][ T3156] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 101.104882][ T3156] ? vprintk_emit (kernel/printk/printk.c:2471) [ 101.104884][ T3156] __might_resched.cold (kernel/sched/core.c:9234) [ 101.104888][ T3156] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 101.104891][ T3156] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.104895][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.104898][ T3156] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 101.104902][ T3156] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.104905][ T3156] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.104912][ T3156] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 101.104914][ T3156] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.104917][ T3156] put_chars (drivers/char/virtio_console.c:1176) [ 101.104920][ T3156] ? __send_to_port (drivers/char/virtio_console.c:654) [ 101.104922][ T3156] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 101.104926][ T3156] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 101.104932][ T3156] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 101.104934][ T3156] ? vsnprintf (lib/vsprintf.c:2900) [ 101.104939][ T3156] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.104941][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.104943][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.104946][ T3156] console_emit_next_record (kernel/printk/printk.c:3183) [ 101.104949][ T3156] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 101.104952][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.104954][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.104955][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.104957][ T3156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.104961][ T3156] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 101.104963][ T3156] console_flush_one_record (kernel/printk/printk.c:3268) [ 101.104967][ T3156] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 101.104971][ T3156] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 101.104974][ T3156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.104976][ T3156] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 101.104979][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.104980][ T3156] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.104983][ T3156] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 101.104985][ T3156] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 101.104987][ T3156] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 101.104990][ T3156] ? vprintk_emit (kernel/printk/printk.c:2478) [ 101.104992][ T3156] vprintk_emit (kernel/printk/printk.c:2479) [ 101.104995][ T3156] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 101.104997][ T3156] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.104999][ T3156] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 101.105003][ T3156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.105005][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105007][ T3156] _printk (kernel/printk/printk.c:2504) [ 101.105011][ T3156] ? snapshot_read.cold (user.c:?) [ 101.105014][ T3156] ? br_multicast_flood (??:?) [ 101.105019][ T3156] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 101.105022][ T3156] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 101.105024][ T3156] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 101.105027][ T3156] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 101.105031][ T3156] br_init_port (net/bridge/br_stp_if.c:39) [ 101.105033][ T3156] new_nbp (net/bridge/br_if.c:449) [ 101.105037][ T3156] br_add_if (net/bridge/br_if.c:592) [ 101.105039][ T3156] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 101.105045][ T3156] do_set_master (net/core/rtnetlink.c:3071) [ 101.105048][ T3156] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 101.105051][ T3156] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 101.105053][ T3156] ? __dev_get_by_name (net/core/dev.c:905) [ 101.105055][ T3156] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 101.105061][ T3156] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 101.105066][ T3156] rtnl_newlink (net/core/rtnetlink.c:4215) [ 101.105069][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105071][ T3156] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 101.105073][ T3156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.105075][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105078][ T3156] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 101.105081][ T3156] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 101.105084][ T3156] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 101.105087][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105088][ T3156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.105091][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105093][ T3156] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 101.105095][ T3156] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 101.105097][ T3156] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 101.105099][ T3156] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 101.105102][ T3156] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 101.105107][ T3156] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 101.105110][ T3156] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 101.105112][ T3156] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.105115][ T3156] ? netlink_ack (./include/linux/skbuff.h:2718) [ 101.105117][ T3156] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 101.105122][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105123][ T3156] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.105126][ T3156] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 101.105130][ T3156] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 101.105132][ T3156] ? next_uptodate_folio (mm/filemap.c:3747) [ 101.105137][ T3156] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 101.105140][ T3156] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 101.105143][ T3156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.105145][ T3156] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 101.105150][ T3156] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 101.105154][ T3156] ____sys_sendmsg (net/socket.c:2713) [ 101.105156][ T3156] ? copy_msghdr_from_user (net/socket.c:2650) [ 101.105159][ T3156] ? sock_write_iter (net/socket.c:1269) [ 101.105161][ T3156] ? move_addr_to_kernel (net/socket.c:258) [ 101.105167][ T3156] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 101.105175][ T3156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.105178][ T3156] ___sys_sendmsg (net/socket.c:2767) [ 101.105181][ T3156] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 101.105183][ T3156] ? copy_msghdr_from_user (net/socket.c:2619) [ 101.105186][ T3156] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 101.105193][ T3156] __sys_sendmsg (net/socket.c:2799) [ 101.105196][ T3156] ? __sys_sendmsg_sock (net/socket.c:2780) [ 101.105200][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105202][ T3156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.105204][ T3156] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 101.105207][ T3156] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 101.105210][ T3156] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 101.105213][ T3156] RIP: 0033:0x7f31b781954e [ 101.105216][ T3156] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 101.105219][ T3156] RSP: 002b:00007ffd40cf8280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 101.105224][ T3156] RAX: ffffffffffffffda RBX: 00007ffd40cf8a48 RCX: 00007f31b781954e [ 101.105226][ T3156] RDX: 0000000000000000 RSI: 00007ffd40cf8330 RDI: 0000000000000005 [ 101.105227][ T3156] RBP: 00007ffd40cf8290 R08: 0000000000000000 R09: 0000000000000000 [ 101.105229][ T3156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91399e [ 101.105230][ T3156] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd40cf8a00 | [ 102.452334][ T3225] softirqs last disabled at (0): 0x0 | [ 102.452335][ T3225] Preemption disabled at: | [ 102.452336][ T3225] vprintk_emit (kernel/printk/printk.c:2471) | [ 102.452346][ T3225] Tainted: [W]=WARN [ 102.452347][ T3225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 102.452348][ T3225] Call Trace: [ 102.452350][ T3225] [ 102.452351][ T3225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 102.452356][ T3225] ? vprintk_emit (kernel/printk/printk.c:2471) [ 102.452358][ T3225] __might_resched.cold (kernel/sched/core.c:9234) [ 102.452361][ T3225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.452365][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452367][ T3225] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 102.452370][ T3225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.452373][ T3225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.452378][ T3225] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 102.452380][ T3225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.452383][ T3225] put_chars (drivers/char/virtio_console.c:1176) [ 102.452384][ T3225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 102.452385][ T3225] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 102.452388][ T3225] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 102.452390][ T3225] ? pointer (lib/vsprintf.c:2577) [ 102.452393][ T3225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 102.452398][ T3225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 102.452399][ T3225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.452401][ T3225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.452404][ T3225] console_emit_next_record (kernel/printk/printk.c:3183) [ 102.452406][ T3225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 102.452408][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452409][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452410][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452411][ T3225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.452413][ T3225] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 102.452415][ T3225] console_flush_one_record (kernel/printk/printk.c:3268) [ 102.452417][ T3225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 102.452420][ T3225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 102.452422][ T3225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.452423][ T3225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 102.452425][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452426][ T3225] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.452427][ T3225] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 102.452429][ T3225] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 102.452430][ T3225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 102.452433][ T3225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 102.452434][ T3225] vprintk_emit (kernel/printk/printk.c:2479) [ 102.452436][ T3225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 102.452437][ T3225] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 102.452439][ T3225] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.452442][ T3225] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 102.452445][ T3225] _printk (kernel/printk/printk.c:2504) [ 102.452448][ T3225] ? snapshot_read.cold (user.c:?) [ 102.452450][ T3225] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 102.452452][ T3225] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 102.452455][ T3225] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 102.452457][ T3225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 102.452460][ T3225] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 102.452462][ T3225] ? netdev_notice (net/core/dev.c:13194) [ 102.452464][ T3225] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 102.452466][ T3225] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 102.452468][ T3225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.452470][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452471][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452473][ T3225] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.452474][ T3225] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 102.452476][ T3225] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 102.452477][ T3225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 102.452478][ T3225] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 102.452480][ T3225] ? register_netdev (net/core/dev.c:11618) [ 102.452481][ T3225] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.452483][ T3225] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 102.452486][ T3225] ? __kernel_text_address (kernel/extable.c:79) [ 102.452489][ T3225] ? write_profile (profile.c:?) [ 102.452491][ T3225] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 102.452495][ T3225] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 102.452497][ T3225] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 102.452498][ T3225] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 102.452499][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452500][ T3225] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 102.452504][ T3225] ? kasan_save_stack (mm/kasan/common.c:58) [ 102.452505][ T3225] ? kasan_save_stack (mm/kasan/common.c:57) [ 102.452506][ T3225] ? kasan_save_track (mm/kasan/common.c:78) [ 102.452507][ T3225] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 102.452509][ T3225] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 102.452510][ T3225] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 102.452511][ T3225] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.452512][ T3225] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 102.452515][ T3225] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 102.452517][ T3225] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 102.452518][ T3225] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 102.452521][ T3225] ? ____sys_sendmsg (net/socket.c:2713) [ 102.452522][ T3225] ? ___sys_sendmsg (net/socket.c:2767) [ 102.452524][ T3225] ? __sys_sendmsg (net/socket.c:2799) [ 102.452525][ T3225] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 102.452527][ T3225] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.452530][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452531][ T3225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.452532][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452533][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452534][ T3225] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 102.452535][ T3225] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 102.452536][ T3225] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 102.452537][ T3225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 102.452539][ T3225] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 102.452540][ T3225] ? nla_get_range_signed (lib/nlattr.c:270) [ 102.452543][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452544][ T3225] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 102.452546][ T3225] rtnl_newlink (net/core/rtnetlink.c:4215) [ 102.452548][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452550][ T3225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 102.452551][ T3225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.452552][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452554][ T3225] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 102.452556][ T3225] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 102.452557][ T3225] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.452558][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452559][ T3225] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 102.452563][ T3225] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 102.452565][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452566][ T3225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.452568][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452569][ T3225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 102.452570][ T3225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.452572][ T3225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 102.452573][ T3225] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.452574][ T3225] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 102.452577][ T3225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 102.452578][ T3225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 102.452580][ T3225] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.452581][ T3225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 102.452583][ T3225] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 102.452586][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452587][ T3225] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.452589][ T3225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 102.452591][ T3225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 102.452593][ T3225] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.452594][ T3225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 102.452596][ T3225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 102.452598][ T3225] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.452600][ T3225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.452601][ T3225] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 102.452604][ T3225] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 102.452606][ T3225] ____sys_sendmsg (net/socket.c:2713) [ 102.452608][ T3225] ? copy_msghdr_from_user (net/socket.c:2650) [ 102.452609][ T3225] ? sock_write_iter (net/socket.c:1269) [ 102.452611][ T3225] ? move_addr_to_kernel (net/socket.c:258) [ 102.452612][ T3225] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.452615][ T3225] ___sys_sendmsg (net/socket.c:2767) [ 102.452617][ T3225] ? copy_msghdr_from_user (net/socket.c:2619) [ 102.452622][ T3225] __sys_sendmsg (net/socket.c:2799) [ 102.452623][ T3225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 102.452626][ T3225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.452628][ T3225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 102.452629][ T3225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 102.452631][ T3225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.452633][ T3225] RIP: 0033:0x7faffcf8454e [ 102.452634][ T3225] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 102.452636][ T3225] RSP: 002b:00007ffceeb74ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 102.452640][ T3225] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faffcf8454e [ 102.452641][ T3225] RDX: 0000000000000000 RSI: 00007ffceeb74b90 RDI: 0000000000000005 [ 102.452642][ T3225] RBP: 00007ffceeb74af0 R08: 0000000000000000 R09: 0000000000000000 [ 102.452643][ T3225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91399f [ 102.452644][ T3225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffceeb75250 | [ 103.552448][ T3275] softirqs last disabled at (0): 0x0 | [ 103.552450][ T3275] Preemption disabled at: | [ 103.552451][ T3275] vprintk_emit (kernel/printk/printk.c:2471) | [ 103.552460][ T3275] Tainted: [W]=WARN [ 103.552461][ T3275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 103.552463][ T3275] Call Trace: [ 103.552465][ T3275] [ 103.552466][ T3275] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 103.552471][ T3275] ? vprintk_emit (kernel/printk/printk.c:2471) [ 103.552473][ T3275] __might_resched.cold (kernel/sched/core.c:9234) [ 103.552477][ T3275] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 103.552479][ T3275] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.552482][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552485][ T3275] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 103.552487][ T3275] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.552490][ T3275] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.552495][ T3275] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 103.552497][ T3275] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.552499][ T3275] put_chars (drivers/char/virtio_console.c:1176) [ 103.552501][ T3275] ? __send_to_port (drivers/char/virtio_console.c:654) [ 103.552503][ T3275] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 103.552505][ T3275] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 103.552510][ T3275] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 103.552511][ T3275] ? vsnprintf (lib/vsprintf.c:2900) [ 103.552514][ T3275] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.552516][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552517][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552519][ T3275] console_emit_next_record (kernel/printk/printk.c:3183) [ 103.552521][ T3275] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 103.552523][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552524][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552525][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552526][ T3275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.552529][ T3275] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 103.552530][ T3275] console_flush_one_record (kernel/printk/printk.c:3268) [ 103.552533][ T3275] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 103.552536][ T3275] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 103.552537][ T3275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.552539][ T3275] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 103.552541][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552542][ T3275] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.552543][ T3275] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 103.552545][ T3275] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 103.552546][ T3275] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 103.552548][ T3275] ? vprintk_emit (kernel/printk/printk.c:2478) [ 103.552549][ T3275] vprintk_emit (kernel/printk/printk.c:2479) [ 103.552551][ T3275] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 103.552552][ T3275] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.552554][ T3275] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 103.552557][ T3275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.552559][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552560][ T3275] _printk (kernel/printk/printk.c:2504) [ 103.552563][ T3275] ? snapshot_read.cold (user.c:?) [ 103.552565][ T3275] ? br_multicast_flood (??:?) [ 103.552568][ T3275] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 103.552571][ T3275] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 103.552572][ T3275] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 103.552574][ T3275] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 103.552577][ T3275] br_init_port (net/bridge/br_stp_if.c:39) [ 103.552578][ T3275] new_nbp (net/bridge/br_if.c:449) [ 103.552581][ T3275] br_add_if (net/bridge/br_if.c:592) [ 103.552582][ T3275] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 103.552586][ T3275] do_set_master (net/core/rtnetlink.c:3071) [ 103.552588][ T3275] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 103.552590][ T3275] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 103.552591][ T3275] ? __dev_get_by_name (net/core/dev.c:905) [ 103.552593][ T3275] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 103.552597][ T3275] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 103.552599][ T3275] rtnl_newlink (net/core/rtnetlink.c:4215) [ 103.552602][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552603][ T3275] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 103.552604][ T3275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.552606][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552607][ T3275] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 103.552610][ T3275] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 103.552611][ T3275] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 103.552614][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552615][ T3275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.552617][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552618][ T3275] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 103.552619][ T3275] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 103.552621][ T3275] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 103.552622][ T3275] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 103.552623][ T3275] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 103.552627][ T3275] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 103.552630][ T3275] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 103.552631][ T3275] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.552633][ T3275] ? netlink_ack (./include/linux/skbuff.h:2718) [ 103.552635][ T3275] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 103.552638][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552639][ T3275] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.552641][ T3275] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 103.552643][ T3275] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 103.552645][ T3275] ? next_uptodate_folio (mm/filemap.c:3747) [ 103.552648][ T3275] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 103.552650][ T3275] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 103.552652][ T3275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.552654][ T3275] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 103.552657][ T3275] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 103.552660][ T3275] ____sys_sendmsg (net/socket.c:2713) [ 103.552661][ T3275] ? copy_msghdr_from_user (net/socket.c:2650) [ 103.552663][ T3275] ? sock_write_iter (net/socket.c:1269) [ 103.552664][ T3275] ? move_addr_to_kernel (net/socket.c:258) [ 103.552667][ T3275] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 103.552669][ T3275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.552671][ T3275] ___sys_sendmsg (net/socket.c:2767) [ 103.552672][ T3275] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 103.552674][ T3275] ? copy_msghdr_from_user (net/socket.c:2619) [ 103.552676][ T3275] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 103.552681][ T3275] __sys_sendmsg (net/socket.c:2799) [ 103.552683][ T3275] ? __sys_sendmsg_sock (net/socket.c:2780) [ 103.552685][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552686][ T3275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.552688][ T3275] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 103.552690][ T3275] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 103.552692][ T3275] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 103.552695][ T3275] RIP: 0033:0x7f1cdf3c154e [ 103.552697][ T3275] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 103.552699][ T3275] RSP: 002b:00007ffef989dc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 103.552702][ T3275] RAX: ffffffffffffffda RBX: 00007ffef989e448 RCX: 00007f1cdf3c154e [ 103.552704][ T3275] RDX: 0000000000000000 RSI: 00007ffef989dd30 RDI: 0000000000000005 [ 103.552705][ T3275] RBP: 00007ffef989dc90 R08: 0000000000000000 R09: 0000000000000000 [ 103.552705][ T3275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139a0 [ 103.552706][ T3275] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef989e400 | [ 110.470696][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 110.470699][ T12] Preemption disabled at: | [ 110.470699][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 110.470710][ T12] Tainted: [W]=WARN [ 110.470711][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.470713][ T12] Workqueue: netns cleanup_net [ 110.470719][ T12] Call Trace: [ 110.470720][ T12] [ 110.470722][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 110.470728][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 110.470729][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 110.470732][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 110.470734][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 110.470738][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470740][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 110.470743][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.470746][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 110.470751][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 110.470752][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 110.470755][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 110.470756][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 110.470758][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 110.470761][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 110.470765][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 110.470767][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 110.470769][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.470771][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470772][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470774][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 110.470776][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 110.470778][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470779][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470780][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470781][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.470784][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 110.470786][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 110.470788][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 110.470791][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 110.470792][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.470794][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 110.470796][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470797][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 110.470798][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 110.470800][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 110.470801][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 110.470803][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 110.470805][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 110.470806][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 110.470807][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 110.470809][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 110.470812][ T12] ? kthread (kernel/kthread.c:436) [ 110.470814][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 110.470817][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 110.470819][ T12] _printk (kernel/printk/printk.c:2504) [ 110.470822][ T12] ? snapshot_read.cold (user.c:?) [ 110.470824][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 110.470828][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 110.470830][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 110.470832][ T12] ? netdev_notice (net/core/dev.c:13194) [ 110.470834][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470835][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 110.470837][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 110.470840][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 110.470841][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 110.470842][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 110.470845][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 110.470847][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 110.470851][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 110.470853][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 110.470856][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 110.470858][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 110.470860][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 110.470863][ T12] cleanup_net (net/core/net_namespace.c:706) [ 110.470864][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 110.470866][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.470868][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.470870][ T12] process_one_work (kernel/workqueue.c:3387) [ 110.470872][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 110.470875][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 110.470877][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.470879][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 110.470882][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 110.470884][ T12] kthread (kernel/kthread.c:436) [ 110.470886][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 110.470887][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 110.470889][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 110.470891][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 110.470893][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 110.470896][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 110.470897][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 111.717946][ T3533] softirqs last disabled at (0): 0x0 | [ 111.717948][ T3533] Preemption disabled at: | [ 111.717949][ T3533] vprintk_emit (kernel/printk/printk.c:2471) | [ 111.717959][ T3533] Tainted: [W]=WARN [ 111.717960][ T3533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.717961][ T3533] Call Trace: [ 111.717963][ T3533] [ 111.717964][ T3533] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.717970][ T3533] ? vprintk_emit (kernel/printk/printk.c:2471) [ 111.717971][ T3533] __might_resched.cold (kernel/sched/core.c:9234) [ 111.717975][ T3533] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 111.717977][ T3533] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.717980][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.717983][ T3533] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 111.717986][ T3533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.717989][ T3533] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.717994][ T3533] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 111.717995][ T3533] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.717998][ T3533] put_chars (drivers/char/virtio_console.c:1176) [ 111.717999][ T3533] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.718001][ T3533] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.718004][ T3533] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.718008][ T3533] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.718010][ T3533] ? vsnprintf (lib/vsprintf.c:2900) [ 111.718013][ T3533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.718014][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718015][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718017][ T3533] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.718020][ T3533] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.718022][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718023][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718024][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718025][ T3533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.718027][ T3533] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.718029][ T3533] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.718032][ T3533] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.718034][ T3533] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.718036][ T3533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.718038][ T3533] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.718039][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718040][ T3533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.718042][ T3533] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 111.718043][ T3533] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.718045][ T3533] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.718047][ T3533] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.718048][ T3533] vprintk_emit (kernel/printk/printk.c:2479) [ 111.718050][ T3533] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.718051][ T3533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.718053][ T3533] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.718056][ T3533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.718057][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718059][ T3533] _printk (kernel/printk/printk.c:2504) [ 111.718062][ T3533] ? snapshot_read.cold (user.c:?) [ 111.718064][ T3533] ? br_multicast_flood (??:?) [ 111.718067][ T3533] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 111.718070][ T3533] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 111.718071][ T3533] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.718073][ T3533] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.718075][ T3533] br_init_port (net/bridge/br_stp_if.c:39) [ 111.718077][ T3533] new_nbp (net/bridge/br_if.c:449) [ 111.718079][ T3533] br_add_if (net/bridge/br_if.c:592) [ 111.718081][ T3533] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 111.718085][ T3533] do_set_master (net/core/rtnetlink.c:3071) [ 111.718087][ T3533] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 111.718089][ T3533] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 111.718090][ T3533] ? __dev_get_by_name (net/core/dev.c:905) [ 111.718092][ T3533] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 111.718096][ T3533] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 111.718098][ T3533] rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.718100][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718102][ T3533] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.718103][ T3533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.718104][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718106][ T3533] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 111.718108][ T3533] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 111.718110][ T3533] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 111.718112][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718113][ T3533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.718115][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718116][ T3533] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.718117][ T3533] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.718119][ T3533] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.718120][ T3533] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.718122][ T3533] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 111.718126][ T3533] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 111.718128][ T3533] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.718130][ T3533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.718131][ T3533] ? netlink_ack (./include/linux/skbuff.h:2718) [ 111.718133][ T3533] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 111.718136][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718137][ T3533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.718139][ T3533] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 111.718141][ T3533] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 111.718143][ T3533] ? next_uptodate_folio (mm/filemap.c:3747) [ 111.718146][ T3533] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 111.718149][ T3533] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 111.718151][ T3533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.718152][ T3533] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 111.718156][ T3533] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 111.718158][ T3533] ____sys_sendmsg (net/socket.c:2713) [ 111.718160][ T3533] ? copy_msghdr_from_user (net/socket.c:2650) [ 111.718162][ T3533] ? sock_write_iter (net/socket.c:1269) [ 111.718163][ T3533] ? move_addr_to_kernel (net/socket.c:258) [ 111.718168][ T3533] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 111.718170][ T3533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.718172][ T3533] ___sys_sendmsg (net/socket.c:2767) [ 111.718174][ T3533] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 111.718175][ T3533] ? copy_msghdr_from_user (net/socket.c:2619) [ 111.718177][ T3533] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 111.718182][ T3533] __sys_sendmsg (net/socket.c:2799) [ 111.718184][ T3533] ? __sys_sendmsg_sock (net/socket.c:2780) [ 111.718186][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718187][ T3533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.718189][ T3533] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 111.718191][ T3533] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 111.718193][ T3533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.718195][ T3533] RIP: 0033:0x7fb7008ac54e [ 111.718197][ T3533] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 111.718199][ T3533] RSP: 002b:00007ffc493e6d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 111.718203][ T3533] RAX: ffffffffffffffda RBX: 00007ffc493e7528 RCX: 00007fb7008ac54e [ 111.718204][ T3533] RDX: 0000000000000000 RSI: 00007ffc493e6e10 RDI: 0000000000000005 [ 111.718205][ T3533] RBP: 00007ffc493e6d70 R08: 0000000000000000 R09: 0000000000000000 [ 111.718206][ T3533] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139a9 [ 111.718212][ T3533] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc493e74e0 | [ 113.121835][ T3602] softirqs last disabled at (0): 0x0 | [ 113.121837][ T3602] Preemption disabled at: | [ 113.121838][ T3602] vprintk_emit (kernel/printk/printk.c:2471) | [ 113.121848][ T3602] Tainted: [W]=WARN [ 113.121849][ T3602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.121850][ T3602] Call Trace: [ 113.121851][ T3602] [ 113.121853][ T3602] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.121858][ T3602] ? vprintk_emit (kernel/printk/printk.c:2471) [ 113.121860][ T3602] __might_resched.cold (kernel/sched/core.c:9234) [ 113.121864][ T3602] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.121867][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.121870][ T3602] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 113.121873][ T3602] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.121876][ T3602] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.121881][ T3602] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 113.121883][ T3602] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.121885][ T3602] put_chars (drivers/char/virtio_console.c:1176) [ 113.121887][ T3602] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.121888][ T3602] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 113.121890][ T3602] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 113.121892][ T3602] ? pointer (lib/vsprintf.c:2577) [ 113.121896][ T3602] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.121900][ T3602] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.121902][ T3602] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.121904][ T3602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.121906][ T3602] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.121909][ T3602] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.121911][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.121912][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.121913][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.121914][ T3602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.121916][ T3602] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.121917][ T3602] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.121920][ T3602] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.121922][ T3602] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.121924][ T3602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.121926][ T3602] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.121927][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.121928][ T3602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.121930][ T3602] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 113.121931][ T3602] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 113.121933][ T3602] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.121935][ T3602] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.121936][ T3602] vprintk_emit (kernel/printk/printk.c:2479) [ 113.121937][ T3602] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.121939][ T3602] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 113.121941][ T3602] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.121944][ T3602] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 113.121946][ T3602] _printk (kernel/printk/printk.c:2504) [ 113.121950][ T3602] ? snapshot_read.cold (user.c:?) [ 113.121951][ T3602] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 113.121954][ T3602] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 113.121957][ T3602] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 113.121959][ T3602] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 113.121962][ T3602] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 113.121964][ T3602] ? netdev_notice (net/core/dev.c:13194) [ 113.121966][ T3602] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 113.121968][ T3602] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 113.121970][ T3602] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.121972][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.121973][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.121974][ T3602] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.121975][ T3602] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 113.121977][ T3602] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 113.121978][ T3602] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 113.121979][ T3602] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 113.121981][ T3602] ? register_netdev (net/core/dev.c:11618) [ 113.121982][ T3602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.121984][ T3602] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 113.121987][ T3602] ? __kernel_text_address (kernel/extable.c:79) [ 113.121989][ T3602] ? write_profile (profile.c:?) [ 113.121992][ T3602] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 113.121996][ T3602] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 113.121998][ T3602] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 113.121999][ T3602] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 113.122000][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122001][ T3602] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.122005][ T3602] ? kasan_save_stack (mm/kasan/common.c:58) [ 113.122007][ T3602] ? kasan_save_stack (mm/kasan/common.c:57) [ 113.122008][ T3602] ? kasan_save_track (mm/kasan/common.c:78) [ 113.122009][ T3602] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 113.122010][ T3602] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 113.122011][ T3602] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 113.122012][ T3602] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.122013][ T3602] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.122016][ T3602] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.122018][ T3602] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.122019][ T3602] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.122022][ T3602] ? ____sys_sendmsg (net/socket.c:2713) [ 113.122023][ T3602] ? ___sys_sendmsg (net/socket.c:2767) [ 113.122025][ T3602] ? __sys_sendmsg (net/socket.c:2799) [ 113.122026][ T3602] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.122028][ T3602] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.122031][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122032][ T3602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.122034][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122035][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122036][ T3602] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 113.122037][ T3602] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 113.122038][ T3602] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 113.122039][ T3602] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 113.122041][ T3602] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 113.122042][ T3602] ? nla_get_range_signed (lib/nlattr.c:270) [ 113.122046][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122047][ T3602] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 113.122049][ T3602] rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.122051][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122052][ T3602] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.122053][ T3602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.122054][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122056][ T3602] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 113.122058][ T3602] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 113.122059][ T3602] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.122061][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122062][ T3602] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 113.122065][ T3602] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 113.122067][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122068][ T3602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.122070][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122071][ T3602] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.122072][ T3602] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.122074][ T3602] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.122075][ T3602] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.122077][ T3602] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.122079][ T3602] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.122081][ T3602] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.122082][ T3602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.122083][ T3602] ? netlink_ack (./include/linux/skbuff.h:2718) [ 113.122085][ T3602] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 113.122088][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122089][ T3602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.122091][ T3602] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.122093][ T3602] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 113.122095][ T3602] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.122097][ T3602] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.122099][ T3602] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 113.122100][ T3602] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.122102][ T3602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.122104][ T3602] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 113.122107][ T3602] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.122109][ T3602] ____sys_sendmsg (net/socket.c:2713) [ 113.122110][ T3602] ? copy_msghdr_from_user (net/socket.c:2650) [ 113.122112][ T3602] ? sock_write_iter (net/socket.c:1269) [ 113.122113][ T3602] ? move_addr_to_kernel (net/socket.c:258) [ 113.122115][ T3602] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.122117][ T3602] ___sys_sendmsg (net/socket.c:2767) [ 113.122119][ T3602] ? copy_msghdr_from_user (net/socket.c:2619) [ 113.122124][ T3602] __sys_sendmsg (net/socket.c:2799) [ 113.122126][ T3602] ? __sys_sendmsg_sock (net/socket.c:2780) [ 113.122128][ T3602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.122130][ T3602] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.122132][ T3602] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 113.122133][ T3602] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.122135][ T3602] RIP: 0033:0x7fe350a1854e [ 113.122137][ T3602] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 113.122138][ T3602] RSP: 002b:00007ffd21828d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 113.122142][ T3602] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe350a1854e [ 113.122143][ T3602] RDX: 0000000000000000 RSI: 00007ffd21828df0 RDI: 0000000000000005 [ 113.122144][ T3602] RBP: 00007ffd21828d50 R08: 0000000000000000 R09: 0000000000000000 [ 113.122145][ T3602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139aa [ 113.122146][ T3602] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd218294b0 | [ 114.236594][ T3652] softirqs last disabled at (0): 0x0 | [ 114.236596][ T3652] Preemption disabled at: | [ 114.236597][ T3652] vprintk_emit (kernel/printk/printk.c:2471) | [ 114.236607][ T3652] Tainted: [W]=WARN [ 114.236608][ T3652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.236610][ T3652] Call Trace: [ 114.236611][ T3652] [ 114.236612][ T3652] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 114.236618][ T3652] ? vprintk_emit (kernel/printk/printk.c:2471) [ 114.236620][ T3652] __might_resched.cold (kernel/sched/core.c:9234) [ 114.236624][ T3652] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 114.236626][ T3652] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 114.236629][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236632][ T3652] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 114.236635][ T3652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 114.236638][ T3652] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 114.236643][ T3652] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 114.236645][ T3652] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 114.236648][ T3652] put_chars (drivers/char/virtio_console.c:1176) [ 114.236649][ T3652] ? __send_to_port (drivers/char/virtio_console.c:654) [ 114.236651][ T3652] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 114.236654][ T3652] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 114.236659][ T3652] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 114.236661][ T3652] ? vsnprintf (lib/vsprintf.c:2900) [ 114.236664][ T3652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 114.236666][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236667][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236669][ T3652] console_emit_next_record (kernel/printk/printk.c:3183) [ 114.236671][ T3652] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 114.236674][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236675][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236675][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236677][ T3652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.236679][ T3652] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 114.236681][ T3652] console_flush_one_record (kernel/printk/printk.c:3268) [ 114.236683][ T3652] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 114.236686][ T3652] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 114.236688][ T3652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.236690][ T3652] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 114.236691][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236692][ T3652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 114.236694][ T3652] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 114.236696][ T3652] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 114.236697][ T3652] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 114.236699][ T3652] ? vprintk_emit (kernel/printk/printk.c:2478) [ 114.236700][ T3652] vprintk_emit (kernel/printk/printk.c:2479) [ 114.236702][ T3652] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 114.236703][ T3652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 114.236705][ T3652] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 114.236708][ T3652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.236710][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236711][ T3652] _printk (kernel/printk/printk.c:2504) [ 114.236714][ T3652] ? snapshot_read.cold (user.c:?) [ 114.236716][ T3652] ? br_multicast_flood (??:?) [ 114.236720][ T3652] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 114.236722][ T3652] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 114.236724][ T3652] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 114.236725][ T3652] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 114.236728][ T3652] br_init_port (net/bridge/br_stp_if.c:39) [ 114.236730][ T3652] new_nbp (net/bridge/br_if.c:449) [ 114.236732][ T3652] br_add_if (net/bridge/br_if.c:592) [ 114.236734][ T3652] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 114.236739][ T3652] do_set_master (net/core/rtnetlink.c:3071) [ 114.236740][ T3652] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 114.236742][ T3652] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 114.236744][ T3652] ? __dev_get_by_name (net/core/dev.c:905) [ 114.236745][ T3652] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 114.236750][ T3652] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 114.236752][ T3652] rtnl_newlink (net/core/rtnetlink.c:4215) [ 114.236754][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236755][ T3652] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 114.236757][ T3652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.236758][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236760][ T3652] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 114.236762][ T3652] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 114.236764][ T3652] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 114.236766][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236767][ T3652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.236769][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236770][ T3652] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 114.236771][ T3652] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 114.236773][ T3652] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 114.236774][ T3652] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 114.236776][ T3652] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 114.236780][ T3652] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 114.236783][ T3652] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 114.236784][ T3652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 114.236786][ T3652] ? netlink_ack (./include/linux/skbuff.h:2718) [ 114.236787][ T3652] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 114.236790][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236792][ T3652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 114.236794][ T3652] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 114.236796][ T3652] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 114.236798][ T3652] ? next_uptodate_folio (mm/filemap.c:3747) [ 114.236801][ T3652] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 114.236803][ T3652] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 114.236805][ T3652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.236807][ T3652] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 114.236810][ T3652] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 114.236813][ T3652] ____sys_sendmsg (net/socket.c:2713) [ 114.236815][ T3652] ? copy_msghdr_from_user (net/socket.c:2650) [ 114.236817][ T3652] ? sock_write_iter (net/socket.c:1269) [ 114.236818][ T3652] ? move_addr_to_kernel (net/socket.c:258) [ 114.236820][ T3652] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 114.236823][ T3652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.236825][ T3652] ___sys_sendmsg (net/socket.c:2767) [ 114.236826][ T3652] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 114.236828][ T3652] ? copy_msghdr_from_user (net/socket.c:2619) [ 114.236830][ T3652] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 114.236835][ T3652] __sys_sendmsg (net/socket.c:2799) [ 114.236837][ T3652] ? __sys_sendmsg_sock (net/socket.c:2780) [ 114.236839][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236841][ T3652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.236842][ T3652] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 114.236845][ T3652] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 114.236847][ T3652] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 114.236848][ T3652] RIP: 0033:0x7eff6a23b54e [ 114.236850][ T3652] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 114.236852][ T3652] RSP: 002b:00007ffea5b493c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 114.236856][ T3652] RAX: ffffffffffffffda RBX: 00007ffea5b49b88 RCX: 00007eff6a23b54e [ 114.236857][ T3652] RDX: 0000000000000000 RSI: 00007ffea5b49470 RDI: 0000000000000005 [ 114.236858][ T3652] RBP: 00007ffea5b493d0 R08: 0000000000000000 R09: 0000000000000000 [ 114.236859][ T3652] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139ab [ 114.236860][ T3652] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea5b49b40 | [ 121.097330][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 121.097332][ T12] Preemption disabled at: | [ 121.097333][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 121.097343][ T12] Tainted: [W]=WARN [ 121.097344][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 121.097346][ T12] Workqueue: netns cleanup_net [ 121.097352][ T12] Call Trace: [ 121.097354][ T12] [ 121.097355][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 121.097361][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 121.097362][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 121.097365][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 121.097367][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 121.097371][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097374][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 121.097377][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.097380][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.097385][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 121.097387][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.097389][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 121.097391][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 121.097392][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 121.097395][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 121.097399][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 121.097401][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 121.097403][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.097405][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097406][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097407][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 121.097410][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 121.097412][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097413][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097414][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097415][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.097417][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 121.097419][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 121.097421][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 121.097424][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 121.097426][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.097427][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 121.097429][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097430][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.097431][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 121.097433][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 121.097434][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 121.097436][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 121.097438][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 121.097439][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 121.097440][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 121.097442][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 121.097446][ T12] ? kthread (kernel/kthread.c:436) [ 121.097448][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 121.097451][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 121.097454][ T12] _printk (kernel/printk/printk.c:2504) [ 121.097456][ T12] ? snapshot_read.cold (user.c:?) [ 121.097458][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 121.097462][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 121.097464][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 121.097466][ T12] ? netdev_notice (net/core/dev.c:13194) [ 121.097468][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097469][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 121.097470][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 121.097473][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 121.097474][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 121.097476][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 121.097478][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 121.097480][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 121.097484][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 121.097486][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 121.097488][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 121.097490][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 121.097492][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 121.097495][ T12] cleanup_net (net/core/net_namespace.c:706) [ 121.097497][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 121.097499][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.097500][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.097502][ T12] process_one_work (kernel/workqueue.c:3387) [ 121.097504][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 121.097506][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 121.097508][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.097510][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 121.097513][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 121.097515][ T12] kthread (kernel/kthread.c:436) [ 121.097517][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 121.097518][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 121.097520][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 121.097522][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 121.097523][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 121.097526][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 121.097528][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 122.461391][ T3911] softirqs last disabled at (0): 0x0 | [ 122.461392][ T3911] Preemption disabled at: | [ 122.461393][ T3911] vprintk_emit (kernel/printk/printk.c:2471) | [ 122.461403][ T3911] Tainted: [W]=WARN [ 122.461404][ T3911] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 122.461406][ T3911] Call Trace: [ 122.461407][ T3911] [ 122.461409][ T3911] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 122.461415][ T3911] ? vprintk_emit (kernel/printk/printk.c:2471) [ 122.461416][ T3911] __might_resched.cold (kernel/sched/core.c:9234) [ 122.461419][ T3911] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 122.461421][ T3911] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.461425][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461427][ T3911] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 122.461430][ T3911] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.461433][ T3911] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.461439][ T3911] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 122.461441][ T3911] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.461444][ T3911] put_chars (drivers/char/virtio_console.c:1176) [ 122.461446][ T3911] ? __send_to_port (drivers/char/virtio_console.c:654) [ 122.461448][ T3911] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 122.461450][ T3911] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 122.461455][ T3911] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 122.461457][ T3911] ? vsnprintf (lib/vsprintf.c:2900) [ 122.461460][ T3911] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.461461][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461462][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461464][ T3911] console_emit_next_record (kernel/printk/printk.c:3183) [ 122.461467][ T3911] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 122.461469][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461470][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461471][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461472][ T3911] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.461474][ T3911] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 122.461475][ T3911] console_flush_one_record (kernel/printk/printk.c:3268) [ 122.461478][ T3911] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 122.461481][ T3911] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 122.461482][ T3911] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.461484][ T3911] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 122.461486][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461487][ T3911] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.461488][ T3911] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 122.461490][ T3911] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 122.461491][ T3911] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 122.461493][ T3911] ? vprintk_emit (kernel/printk/printk.c:2478) [ 122.461494][ T3911] vprintk_emit (kernel/printk/printk.c:2479) [ 122.461496][ T3911] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 122.461497][ T3911] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.461499][ T3911] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.461502][ T3911] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.461503][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461505][ T3911] _printk (kernel/printk/printk.c:2504) [ 122.461508][ T3911] ? snapshot_read.cold (user.c:?) [ 122.461510][ T3911] ? br_multicast_flood (??:?) [ 122.461513][ T3911] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 122.461516][ T3911] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 122.461517][ T3911] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.461519][ T3911] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 122.461522][ T3911] br_init_port (net/bridge/br_stp_if.c:39) [ 122.461524][ T3911] new_nbp (net/bridge/br_if.c:449) [ 122.461526][ T3911] br_add_if (net/bridge/br_if.c:592) [ 122.461528][ T3911] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 122.461532][ T3911] do_set_master (net/core/rtnetlink.c:3071) [ 122.461533][ T3911] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 122.461535][ T3911] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 122.461536][ T3911] ? __dev_get_by_name (net/core/dev.c:905) [ 122.461538][ T3911] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 122.461542][ T3911] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 122.461545][ T3911] rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.461547][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461548][ T3911] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.461549][ T3911] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.461550][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461552][ T3911] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 122.461554][ T3911] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 122.461556][ T3911] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 122.461558][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461560][ T3911] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.461561][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461562][ T3911] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.461564][ T3911] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.461565][ T3911] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.461567][ T3911] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.461568][ T3911] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.461572][ T3911] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.461574][ T3911] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.461576][ T3911] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.461577][ T3911] ? netlink_ack (./include/linux/skbuff.h:2718) [ 122.461579][ T3911] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 122.461582][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461583][ T3911] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.461585][ T3911] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.461587][ T3911] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 122.461589][ T3911] ? next_uptodate_folio (mm/filemap.c:3747) [ 122.461592][ T3911] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.461594][ T3911] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 122.461596][ T3911] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.461598][ T3911] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 122.461601][ T3911] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.461604][ T3911] ____sys_sendmsg (net/socket.c:2713) [ 122.461606][ T3911] ? copy_msghdr_from_user (net/socket.c:2650) [ 122.461607][ T3911] ? sock_write_iter (net/socket.c:1269) [ 122.461609][ T3911] ? move_addr_to_kernel (net/socket.c:258) [ 122.461611][ T3911] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 122.461613][ T3911] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.461615][ T3911] ___sys_sendmsg (net/socket.c:2767) [ 122.461617][ T3911] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 122.461618][ T3911] ? copy_msghdr_from_user (net/socket.c:2619) [ 122.461620][ T3911] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 122.461625][ T3911] __sys_sendmsg (net/socket.c:2799) [ 122.461627][ T3911] ? __sys_sendmsg_sock (net/socket.c:2780) [ 122.461629][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461631][ T3911] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.461632][ T3911] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.461634][ T3911] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 122.461636][ T3911] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.461638][ T3911] RIP: 0033:0x7f5356c5d54e [ 122.461640][ T3911] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 122.461642][ T3911] RSP: 002b:00007ffdd81f8ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 122.461645][ T3911] RAX: ffffffffffffffda RBX: 00007ffdd81f9468 RCX: 00007f5356c5d54e [ 122.461647][ T3911] RDX: 0000000000000000 RSI: 00007ffdd81f8d50 RDI: 0000000000000005 [ 122.461648][ T3911] RBP: 00007ffdd81f8cb0 R08: 0000000000000000 R09: 0000000000000000 [ 122.461648][ T3911] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139b3 [ 122.461649][ T3911] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd81f9420 | [ 123.931278][ T3980] softirqs last disabled at (0): 0x0 | [ 123.931280][ T3980] Preemption disabled at: | [ 123.931281][ T3980] vprintk_emit (kernel/printk/printk.c:2471) | [ 123.931291][ T3980] Tainted: [W]=WARN [ 123.931292][ T3980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 123.931293][ T3980] Call Trace: [ 123.931295][ T3980] [ 123.931296][ T3980] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 123.931302][ T3980] ? vprintk_emit (kernel/printk/printk.c:2471) [ 123.931303][ T3980] __might_resched.cold (kernel/sched/core.c:9234) [ 123.931307][ T3980] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 123.931310][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931313][ T3980] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 123.931316][ T3980] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 123.931319][ T3980] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 123.931324][ T3980] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 123.931326][ T3980] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 123.931328][ T3980] put_chars (drivers/char/virtio_console.c:1176) [ 123.931330][ T3980] ? __send_to_port (drivers/char/virtio_console.c:654) [ 123.931331][ T3980] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 123.931334][ T3980] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 123.931336][ T3980] ? pointer (lib/vsprintf.c:2577) [ 123.931339][ T3980] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 123.931344][ T3980] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 123.931346][ T3980] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 123.931347][ T3980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.931350][ T3980] console_emit_next_record (kernel/printk/printk.c:3183) [ 123.931353][ T3980] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 123.931355][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931356][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931357][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931358][ T3980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.931360][ T3980] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 123.931362][ T3980] console_flush_one_record (kernel/printk/printk.c:3268) [ 123.931364][ T3980] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 123.931367][ T3980] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 123.931369][ T3980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.931370][ T3980] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 123.931372][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931373][ T3980] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.931374][ T3980] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 123.931376][ T3980] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 123.931377][ T3980] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 123.931379][ T3980] ? vprintk_emit (kernel/printk/printk.c:2478) [ 123.931380][ T3980] vprintk_emit (kernel/printk/printk.c:2479) [ 123.931382][ T3980] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 123.931383][ T3980] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 123.931386][ T3980] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 123.931389][ T3980] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 123.931391][ T3980] _printk (kernel/printk/printk.c:2504) [ 123.931394][ T3980] ? snapshot_read.cold (user.c:?) [ 123.931396][ T3980] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 123.931398][ T3980] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 123.931402][ T3980] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 123.931403][ T3980] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 123.931407][ T3980] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 123.931409][ T3980] ? netdev_notice (net/core/dev.c:13194) [ 123.931411][ T3980] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 123.931413][ T3980] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 123.931415][ T3980] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 123.931417][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931418][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931419][ T3980] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 123.931420][ T3980] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 123.931422][ T3980] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 123.931423][ T3980] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 123.931424][ T3980] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 123.931426][ T3980] ? register_netdev (net/core/dev.c:11618) [ 123.931428][ T3980] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.931430][ T3980] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 123.931432][ T3980] ? __kernel_text_address (kernel/extable.c:79) [ 123.931435][ T3980] ? write_profile (profile.c:?) [ 123.931438][ T3980] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 123.931442][ T3980] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 123.931444][ T3980] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 123.931446][ T3980] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 123.931448][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931449][ T3980] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 123.931452][ T3980] ? kasan_save_stack (mm/kasan/common.c:58) [ 123.931454][ T3980] ? kasan_save_stack (mm/kasan/common.c:57) [ 123.931455][ T3980] ? kasan_save_track (mm/kasan/common.c:78) [ 123.931456][ T3980] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 123.931457][ T3980] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 123.931459][ T3980] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 123.931460][ T3980] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.931461][ T3980] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 123.931464][ T3980] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 123.931465][ T3980] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 123.931467][ T3980] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 123.931470][ T3980] ? ____sys_sendmsg (net/socket.c:2713) [ 123.931471][ T3980] ? ___sys_sendmsg (net/socket.c:2767) [ 123.931472][ T3980] ? __sys_sendmsg (net/socket.c:2799) [ 123.931474][ T3980] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 123.931476][ T3980] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.931479][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931480][ T3980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.931481][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931482][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931483][ T3980] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 123.931485][ T3980] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 123.931486][ T3980] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 123.931487][ T3980] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 123.931489][ T3980] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 123.931490][ T3980] ? nla_get_range_signed (lib/nlattr.c:270) [ 123.931493][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931494][ T3980] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 123.931496][ T3980] rtnl_newlink (net/core/rtnetlink.c:4215) [ 123.931498][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931499][ T3980] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 123.931500][ T3980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.931502][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931503][ T3980] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 123.931506][ T3980] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 123.931507][ T3980] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.931509][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931510][ T3980] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 123.931513][ T3980] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 123.931516][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931517][ T3980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.931518][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931520][ T3980] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 123.931521][ T3980] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.931522][ T3980] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 123.931524][ T3980] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.931525][ T3980] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 123.931528][ T3980] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 123.931529][ T3980] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 123.931531][ T3980] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.931532][ T3980] ? netlink_ack (./include/linux/skbuff.h:2718) [ 123.931534][ T3980] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 123.931537][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931538][ T3980] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.931540][ T3980] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 123.931542][ T3980] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 123.931544][ T3980] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.931546][ T3980] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 123.931548][ T3980] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 123.931550][ T3980] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.931551][ T3980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.931553][ T3980] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 123.931556][ T3980] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 123.931558][ T3980] ____sys_sendmsg (net/socket.c:2713) [ 123.931560][ T3980] ? copy_msghdr_from_user (net/socket.c:2650) [ 123.931561][ T3980] ? sock_write_iter (net/socket.c:1269) [ 123.931563][ T3980] ? move_addr_to_kernel (net/socket.c:258) [ 123.931564][ T3980] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.931567][ T3980] ___sys_sendmsg (net/socket.c:2767) [ 123.931568][ T3980] ? copy_msghdr_from_user (net/socket.c:2619) [ 123.931573][ T3980] __sys_sendmsg (net/socket.c:2799) [ 123.931575][ T3980] ? __sys_sendmsg_sock (net/socket.c:2780) [ 123.931578][ T3980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.931579][ T3980] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 123.931581][ T3980] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 123.931583][ T3980] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.931584][ T3980] RIP: 0033:0x7f52073b054e [ 123.931586][ T3980] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 123.931588][ T3980] RSP: 002b:00007ffe97edfff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 123.931592][ T3980] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f52073b054e [ 123.931593][ T3980] RDX: 0000000000000000 RSI: 00007ffe97ee00a0 RDI: 0000000000000005 [ 123.931594][ T3980] RBP: 00007ffe97ee0000 R08: 0000000000000000 R09: 0000000000000000 [ 123.931595][ T3980] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139b5 [ 123.931596][ T3980] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe97ee0760 | [ 125.041734][ T4037] softirqs last disabled at (0): 0x0 | [ 125.041736][ T4037] Preemption disabled at: | [ 125.041737][ T4037] vprintk_emit (kernel/printk/printk.c:2471) | [ 125.041747][ T4037] Tainted: [W]=WARN [ 125.041748][ T4037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 125.041749][ T4037] Call Trace: [ 125.041751][ T4037] [ 125.041752][ T4037] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 125.041758][ T4037] ? vprintk_emit (kernel/printk/printk.c:2471) [ 125.041759][ T4037] __might_resched.cold (kernel/sched/core.c:9234) [ 125.041763][ T4037] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 125.041765][ T4037] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 125.041768][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041771][ T4037] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 125.041774][ T4037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 125.041777][ T4037] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 125.041782][ T4037] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 125.041783][ T4037] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 125.041786][ T4037] put_chars (drivers/char/virtio_console.c:1176) [ 125.041788][ T4037] ? __send_to_port (drivers/char/virtio_console.c:654) [ 125.041790][ T4037] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 125.041792][ T4037] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 125.041797][ T4037] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 125.041799][ T4037] ? vsnprintf (lib/vsprintf.c:2900) [ 125.041802][ T4037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 125.041804][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041805][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041807][ T4037] console_emit_next_record (kernel/printk/printk.c:3183) [ 125.041809][ T4037] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 125.041812][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041813][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041813][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041814][ T4037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 125.041817][ T4037] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 125.041819][ T4037] console_flush_one_record (kernel/printk/printk.c:3268) [ 125.041821][ T4037] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 125.041824][ T4037] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 125.041825][ T4037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 125.041827][ T4037] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 125.041829][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041830][ T4037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 125.041831][ T4037] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 125.041833][ T4037] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 125.041834][ T4037] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 125.041836][ T4037] ? vprintk_emit (kernel/printk/printk.c:2478) [ 125.041838][ T4037] vprintk_emit (kernel/printk/printk.c:2479) [ 125.041839][ T4037] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 125.041840][ T4037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 125.041842][ T4037] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 125.041845][ T4037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 125.041847][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041848][ T4037] _printk (kernel/printk/printk.c:2504) [ 125.041851][ T4037] ? snapshot_read.cold (user.c:?) [ 125.041853][ T4037] ? br_multicast_flood (??:?) [ 125.041857][ T4037] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 125.041860][ T4037] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 125.041861][ T4037] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 125.041863][ T4037] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 125.041865][ T4037] br_init_port (net/bridge/br_stp_if.c:39) [ 125.041867][ T4037] new_nbp (net/bridge/br_if.c:449) [ 125.041869][ T4037] br_add_if (net/bridge/br_if.c:592) [ 125.041871][ T4037] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 125.041875][ T4037] do_set_master (net/core/rtnetlink.c:3071) [ 125.041877][ T4037] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 125.041879][ T4037] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 125.041880][ T4037] ? __dev_get_by_name (net/core/dev.c:905) [ 125.041882][ T4037] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 125.041886][ T4037] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 125.041889][ T4037] rtnl_newlink (net/core/rtnetlink.c:4215) [ 125.041891][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041892][ T4037] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 125.041893][ T4037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 125.041894][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041896][ T4037] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 125.041898][ T4037] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 125.041900][ T4037] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 125.041903][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041904][ T4037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 125.041905][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041906][ T4037] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 125.041908][ T4037] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 125.041909][ T4037] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 125.041911][ T4037] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 125.041912][ T4037] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 125.041916][ T4037] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 125.041919][ T4037] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 125.041920][ T4037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 125.041922][ T4037] ? netlink_ack (./include/linux/skbuff.h:2718) [ 125.041923][ T4037] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 125.041926][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041927][ T4037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 125.041929][ T4037] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 125.041931][ T4037] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 125.041933][ T4037] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 125.041936][ T4037] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 125.041939][ T4037] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 125.041941][ T4037] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 125.041943][ T4037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 125.041944][ T4037] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 125.041948][ T4037] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 125.041951][ T4037] ____sys_sendmsg (net/socket.c:2713) [ 125.041952][ T4037] ? copy_msghdr_from_user (net/socket.c:2650) [ 125.041954][ T4037] ? sock_write_iter (net/socket.c:1269) [ 125.041956][ T4037] ? move_addr_to_kernel (net/socket.c:258) [ 125.041958][ T4037] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 125.041960][ T4037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 125.041962][ T4037] ___sys_sendmsg (net/socket.c:2767) [ 125.041964][ T4037] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 125.041965][ T4037] ? copy_msghdr_from_user (net/socket.c:2619) [ 125.041967][ T4037] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 125.041972][ T4037] __sys_sendmsg (net/socket.c:2799) [ 125.041974][ T4037] ? __sys_sendmsg_sock (net/socket.c:2780) [ 125.041976][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041977][ T4037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 125.041979][ T4037] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 125.041981][ T4037] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 125.041983][ T4037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 125.041985][ T4037] RIP: 0033:0x7f9926cb454e [ 125.041987][ T4037] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 125.041989][ T4037] RSP: 002b:00007ffd141893a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 125.041992][ T4037] RAX: ffffffffffffffda RBX: 00007ffd14189b68 RCX: 00007f9926cb454e [ 125.041994][ T4037] RDX: 0000000000000000 RSI: 00007ffd14189450 RDI: 0000000000000005 [ 125.041995][ T4037] RBP: 00007ffd141893b0 R08: 0000000000000000 R09: 0000000000000000 [ 125.041996][ T4037] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139b6 [ 125.041996][ T4037] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd14189b20 | [ 132.055872][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 132.055874][ T12] Preemption disabled at: | [ 132.055875][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 132.055885][ T12] Tainted: [W]=WARN [ 132.055886][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 132.055888][ T12] Workqueue: netns cleanup_net [ 132.055894][ T12] Call Trace: [ 132.055895][ T12] [ 132.055897][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 132.055903][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 132.055904][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 132.055908][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 132.055910][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 132.055913][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.055916][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 132.055919][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.055922][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 132.055927][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 132.055929][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 132.055931][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 132.055933][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 132.055935][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 132.055937][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 132.055942][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 132.055944][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 132.055946][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.055948][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.055949][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.055951][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 132.055954][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 132.055956][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.055957][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.055958][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.055959][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.055961][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 132.055963][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 132.055965][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 132.055968][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 132.055970][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.055972][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 132.055974][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.055975][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 132.055976][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 132.055978][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 132.055979][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 132.055982][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 132.055983][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 132.055985][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 132.055986][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 132.055987][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 132.055990][ T12] ? kthread (kernel/kthread.c:436) [ 132.055992][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 132.055996][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 132.055998][ T12] _printk (kernel/printk/printk.c:2504) [ 132.056001][ T12] ? snapshot_read.cold (user.c:?) [ 132.056003][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 132.056007][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 132.056009][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 132.056011][ T12] ? netdev_notice (net/core/dev.c:13194) [ 132.056013][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.056015][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 132.056016][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 132.056019][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 132.056021][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 132.056022][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 132.056024][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 132.056027][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 132.056031][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 132.056033][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 132.056035][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 132.056038][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 132.056040][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 132.056043][ T12] cleanup_net (net/core/net_namespace.c:706) [ 132.056045][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 132.056047][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.056048][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.056050][ T12] process_one_work (kernel/workqueue.c:3387) [ 132.056053][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 132.056055][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 132.056057][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.056059][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 132.056062][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 132.056064][ T12] kthread (kernel/kthread.c:436) [ 132.056066][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 132.056068][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 132.056070][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 132.056071][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 132.056073][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 132.056077][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 132.056079][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 133.337966][ T4295] softirqs last disabled at (0): 0x0 | [ 133.337968][ T4295] Preemption disabled at: | [ 133.337968][ T4295] vprintk_emit (kernel/printk/printk.c:2471) | [ 133.337978][ T4295] Tainted: [W]=WARN [ 133.337979][ T4295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 133.337981][ T4295] Call Trace: [ 133.337982][ T4295] [ 133.337984][ T4295] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 133.337989][ T4295] ? vprintk_emit (kernel/printk/printk.c:2471) [ 133.337991][ T4295] __might_resched.cold (kernel/sched/core.c:9234) [ 133.337994][ T4295] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 133.337997][ T4295] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 133.338000][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338003][ T4295] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 133.338006][ T4295] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 133.338009][ T4295] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 133.338014][ T4295] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 133.338016][ T4295] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 133.338018][ T4295] put_chars (drivers/char/virtio_console.c:1176) [ 133.338020][ T4295] ? __send_to_port (drivers/char/virtio_console.c:654) [ 133.338022][ T4295] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 133.338024][ T4295] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 133.338029][ T4295] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 133.338031][ T4295] ? vsnprintf (lib/vsprintf.c:2900) [ 133.338034][ T4295] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 133.338036][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338037][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338039][ T4295] console_emit_next_record (kernel/printk/printk.c:3183) [ 133.338041][ T4295] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 133.338043][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338044][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338045][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338047][ T4295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.338049][ T4295] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 133.338051][ T4295] console_flush_one_record (kernel/printk/printk.c:3268) [ 133.338053][ T4295] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 133.338056][ T4295] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 133.338058][ T4295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.338060][ T4295] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 133.338061][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338062][ T4295] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 133.338064][ T4295] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 133.338066][ T4295] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 133.338067][ T4295] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 133.338069][ T4295] ? vprintk_emit (kernel/printk/printk.c:2478) [ 133.338071][ T4295] vprintk_emit (kernel/printk/printk.c:2479) [ 133.338073][ T4295] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 133.338074][ T4295] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 133.338076][ T4295] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 133.338079][ T4295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.338080][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338082][ T4295] _printk (kernel/printk/printk.c:2504) [ 133.338084][ T4295] ? snapshot_read.cold (user.c:?) [ 133.338087][ T4295] ? br_multicast_flood (??:?) [ 133.338090][ T4295] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 133.338093][ T4295] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 133.338094][ T4295] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 133.338096][ T4295] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 133.338098][ T4295] br_init_port (net/bridge/br_stp_if.c:39) [ 133.338100][ T4295] new_nbp (net/bridge/br_if.c:449) [ 133.338102][ T4295] br_add_if (net/bridge/br_if.c:592) [ 133.338104][ T4295] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 133.338108][ T4295] do_set_master (net/core/rtnetlink.c:3071) [ 133.338110][ T4295] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 133.338112][ T4295] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 133.338113][ T4295] ? __dev_get_by_name (net/core/dev.c:905) [ 133.338115][ T4295] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 133.338119][ T4295] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 133.338122][ T4295] rtnl_newlink (net/core/rtnetlink.c:4215) [ 133.338124][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338125][ T4295] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 133.338126][ T4295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.338128][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338129][ T4295] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 133.338132][ T4295] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 133.338134][ T4295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 133.338136][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338137][ T4295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.338139][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338140][ T4295] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 133.338141][ T4295] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 133.338143][ T4295] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 133.338144][ T4295] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 133.338146][ T4295] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 133.338150][ T4295] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 133.338153][ T4295] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 133.338154][ T4295] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 133.338156][ T4295] ? netlink_ack (./include/linux/skbuff.h:2718) [ 133.338157][ T4295] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 133.338160][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338161][ T4295] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 133.338166][ T4295] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 133.338168][ T4295] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 133.338170][ T4295] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 133.338172][ T4295] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 133.338175][ T4295] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 133.338178][ T4295] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 133.338180][ T4295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.338181][ T4295] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 133.338185][ T4295] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 133.338188][ T4295] ____sys_sendmsg (net/socket.c:2713) [ 133.338190][ T4295] ? copy_msghdr_from_user (net/socket.c:2650) [ 133.338191][ T4295] ? sock_write_iter (net/socket.c:1269) [ 133.338193][ T4295] ? move_addr_to_kernel (net/socket.c:258) [ 133.338195][ T4295] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 133.338198][ T4295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.338200][ T4295] ___sys_sendmsg (net/socket.c:2767) [ 133.338201][ T4295] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 133.338203][ T4295] ? copy_msghdr_from_user (net/socket.c:2619) [ 133.338205][ T4295] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 133.338210][ T4295] __sys_sendmsg (net/socket.c:2799) [ 133.338212][ T4295] ? __sys_sendmsg_sock (net/socket.c:2780) [ 133.338214][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338216][ T4295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.338217][ T4295] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 133.338220][ T4295] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 133.338222][ T4295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 133.338224][ T4295] RIP: 0033:0x7f14949ae54e [ 133.338226][ T4295] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 133.338228][ T4295] RSP: 002b:00007fff72aab2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 133.338231][ T4295] RAX: ffffffffffffffda RBX: 00007fff72aabaa8 RCX: 00007f14949ae54e [ 133.338233][ T4295] RDX: 0000000000000000 RSI: 00007fff72aab390 RDI: 0000000000000005 [ 133.338234][ T4295] RBP: 00007fff72aab2f0 R08: 0000000000000000 R09: 0000000000000000 [ 133.338235][ T4295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139be [ 133.338235][ T4295] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff72aaba60 | [ 134.734166][ T4363] softirqs last disabled at (0): 0x0 | [ 134.734168][ T4363] Preemption disabled at: | [ 134.734169][ T4363] vprintk_emit (kernel/printk/printk.c:2471) | [ 134.734179][ T4363] Tainted: [W]=WARN [ 134.734180][ T4363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 134.734181][ T4363] Call Trace: [ 134.734183][ T4363] [ 134.734184][ T4363] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 134.734189][ T4363] ? vprintk_emit (kernel/printk/printk.c:2471) [ 134.734191][ T4363] __might_resched.cold (kernel/sched/core.c:9234) [ 134.734194][ T4363] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 134.734198][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734200][ T4363] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 134.734203][ T4363] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 134.734206][ T4363] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 134.734210][ T4363] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 134.734212][ T4363] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 134.734215][ T4363] put_chars (drivers/char/virtio_console.c:1176) [ 134.734216][ T4363] ? __send_to_port (drivers/char/virtio_console.c:654) [ 134.734218][ T4363] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 134.734220][ T4363] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 134.734222][ T4363] ? pointer (lib/vsprintf.c:2577) [ 134.734225][ T4363] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 134.734230][ T4363] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 134.734231][ T4363] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 134.734233][ T4363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.734236][ T4363] console_emit_next_record (kernel/printk/printk.c:3183) [ 134.734238][ T4363] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 134.734240][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734241][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734242][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734243][ T4363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.734245][ T4363] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 134.734247][ T4363] console_flush_one_record (kernel/printk/printk.c:3268) [ 134.734249][ T4363] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 134.734252][ T4363] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 134.734254][ T4363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.734256][ T4363] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 134.734257][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734258][ T4363] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 134.734260][ T4363] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 134.734261][ T4363] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 134.734263][ T4363] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 134.734265][ T4363] ? vprintk_emit (kernel/printk/printk.c:2478) [ 134.734266][ T4363] vprintk_emit (kernel/printk/printk.c:2479) [ 134.734268][ T4363] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 134.734269][ T4363] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 134.734272][ T4363] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 134.734275][ T4363] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 134.734277][ T4363] _printk (kernel/printk/printk.c:2504) [ 134.734280][ T4363] ? snapshot_read.cold (user.c:?) [ 134.734282][ T4363] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 134.734284][ T4363] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 134.734287][ T4363] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 134.734295][ T4363] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 134.734298][ T4363] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 134.734300][ T4363] ? netdev_notice (net/core/dev.c:13194) [ 134.734302][ T4363] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 134.734304][ T4363] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 134.734306][ T4363] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 134.734308][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734309][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734310][ T4363] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 134.734311][ T4363] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 134.734313][ T4363] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 134.734314][ T4363] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 134.734315][ T4363] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 134.734317][ T4363] ? register_netdev (net/core/dev.c:11618) [ 134.734319][ T4363] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 134.734321][ T4363] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 134.734323][ T4363] ? __kernel_text_address (kernel/extable.c:79) [ 134.734325][ T4363] ? write_profile (profile.c:?) [ 134.734328][ T4363] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 134.734332][ T4363] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 134.734334][ T4363] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 134.734335][ T4363] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 134.734336][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734337][ T4363] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 134.734341][ T4363] ? kasan_save_stack (mm/kasan/common.c:58) [ 134.734343][ T4363] ? kasan_save_stack (mm/kasan/common.c:57) [ 134.734344][ T4363] ? kasan_save_track (mm/kasan/common.c:78) [ 134.734345][ T4363] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 134.734346][ T4363] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 134.734347][ T4363] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 134.734348][ T4363] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 134.734349][ T4363] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 134.734352][ T4363] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 134.734354][ T4363] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 134.734355][ T4363] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 134.734358][ T4363] ? ____sys_sendmsg (net/socket.c:2713) [ 134.734359][ T4363] ? ___sys_sendmsg (net/socket.c:2767) [ 134.734360][ T4363] ? __sys_sendmsg (net/socket.c:2799) [ 134.734362][ T4363] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 134.734364][ T4363] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 134.734367][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734368][ T4363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.734369][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734370][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734372][ T4363] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 134.734373][ T4363] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 134.734374][ T4363] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 134.734375][ T4363] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 134.734377][ T4363] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 134.734378][ T4363] ? nla_get_range_signed (lib/nlattr.c:270) [ 134.734381][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734382][ T4363] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 134.734384][ T4363] rtnl_newlink (net/core/rtnetlink.c:4215) [ 134.734386][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734388][ T4363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 134.734389][ T4363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.734390][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734392][ T4363] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 134.734394][ T4363] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 134.734395][ T4363] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 134.734397][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734398][ T4363] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 134.734401][ T4363] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 134.734403][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734404][ T4363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.734406][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734407][ T4363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 134.734408][ T4363] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 134.734410][ T4363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 134.734411][ T4363] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 134.734413][ T4363] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 134.734415][ T4363] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 134.734417][ T4363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 134.734418][ T4363] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 134.734420][ T4363] ? netlink_ack (./include/linux/skbuff.h:2718) [ 134.734421][ T4363] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 134.734424][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734425][ T4363] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 134.734427][ T4363] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 134.734430][ T4363] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 134.734431][ T4363] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 134.734433][ T4363] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 134.734435][ T4363] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 134.734437][ T4363] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 134.734438][ T4363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.734440][ T4363] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 134.734444][ T4363] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 134.734446][ T4363] ____sys_sendmsg (net/socket.c:2713) [ 134.734449][ T4363] ? copy_msghdr_from_user (net/socket.c:2650) [ 134.734450][ T4363] ? sock_write_iter (net/socket.c:1269) [ 134.734452][ T4363] ? move_addr_to_kernel (net/socket.c:258) [ 134.734453][ T4363] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 134.734456][ T4363] ___sys_sendmsg (net/socket.c:2767) [ 134.734458][ T4363] ? copy_msghdr_from_user (net/socket.c:2619) [ 134.734463][ T4363] __sys_sendmsg (net/socket.c:2799) [ 134.734464][ T4363] ? __sys_sendmsg_sock (net/socket.c:2780) [ 134.734467][ T4363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.734469][ T4363] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 134.734470][ T4363] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 134.734472][ T4363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 134.734474][ T4363] RIP: 0033:0x7f84404ef54e [ 134.734475][ T4363] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 134.734477][ T4363] RSP: 002b:00007ffe9cfde2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 134.734481][ T4363] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f84404ef54e [ 134.734482][ T4363] RDX: 0000000000000000 RSI: 00007ffe9cfde370 RDI: 0000000000000005 [ 134.734483][ T4363] RBP: 00007ffe9cfde2d0 R08: 0000000000000000 R09: 0000000000000000 [ 134.734484][ T4363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139c0 [ 134.734485][ T4363] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9cfdea30 | [ 135.868929][ T4421] softirqs last disabled at (0): 0x0 | [ 135.868930][ T4421] Preemption disabled at: | [ 135.868931][ T4421] vprintk_emit (kernel/printk/printk.c:2471) | [ 135.868941][ T4421] Tainted: [W]=WARN [ 135.868942][ T4421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 135.868945][ T4421] Call Trace: [ 135.868946][ T4421] [ 135.868947][ T4421] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 135.868953][ T4421] ? vprintk_emit (kernel/printk/printk.c:2471) [ 135.868955][ T4421] __might_resched.cold (kernel/sched/core.c:9234) [ 135.868958][ T4421] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 135.868961][ T4421] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 135.868964][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.868967][ T4421] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 135.868970][ T4421] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 135.868973][ T4421] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 135.868978][ T4421] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 135.868980][ T4421] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 135.868983][ T4421] put_chars (drivers/char/virtio_console.c:1176) [ 135.868984][ T4421] ? __send_to_port (drivers/char/virtio_console.c:654) [ 135.868986][ T4421] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 135.868989][ T4421] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 135.868994][ T4421] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 135.868995][ T4421] ? vsnprintf (lib/vsprintf.c:2900) [ 135.868999][ T4421] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 135.869001][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869002][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869003][ T4421] console_emit_next_record (kernel/printk/printk.c:3183) [ 135.869006][ T4421] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 135.869008][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869009][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869010][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869012][ T4421] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 135.869014][ T4421] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 135.869016][ T4421] console_flush_one_record (kernel/printk/printk.c:3268) [ 135.869019][ T4421] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 135.869022][ T4421] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 135.869023][ T4421] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 135.869025][ T4421] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 135.869027][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869028][ T4421] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 135.869029][ T4421] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 135.869031][ T4421] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 135.869032][ T4421] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 135.869035][ T4421] ? vprintk_emit (kernel/printk/printk.c:2478) [ 135.869036][ T4421] vprintk_emit (kernel/printk/printk.c:2479) [ 135.869038][ T4421] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 135.869039][ T4421] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 135.869041][ T4421] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 135.869044][ T4421] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 135.869046][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869047][ T4421] _printk (kernel/printk/printk.c:2504) [ 135.869050][ T4421] ? snapshot_read.cold (user.c:?) [ 135.869052][ T4421] ? br_multicast_flood (??:?) [ 135.869056][ T4421] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 135.869059][ T4421] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 135.869060][ T4421] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 135.869062][ T4421] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 135.869064][ T4421] br_init_port (net/bridge/br_stp_if.c:39) [ 135.869066][ T4421] new_nbp (net/bridge/br_if.c:449) [ 135.869068][ T4421] br_add_if (net/bridge/br_if.c:592) [ 135.869070][ T4421] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 135.869075][ T4421] do_set_master (net/core/rtnetlink.c:3071) [ 135.869076][ T4421] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 135.869078][ T4421] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 135.869080][ T4421] ? __dev_get_by_name (net/core/dev.c:905) [ 135.869081][ T4421] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 135.869086][ T4421] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 135.869088][ T4421] rtnl_newlink (net/core/rtnetlink.c:4215) [ 135.869090][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869092][ T4421] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 135.869093][ T4421] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 135.869094][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869096][ T4421] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 135.869098][ T4421] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 135.869100][ T4421] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 135.869103][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869104][ T4421] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 135.869105][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869107][ T4421] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 135.869108][ T4421] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 135.869110][ T4421] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 135.869111][ T4421] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 135.869113][ T4421] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 135.869116][ T4421] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 135.869120][ T4421] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 135.869121][ T4421] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 135.869123][ T4421] ? netlink_ack (./include/linux/skbuff.h:2718) [ 135.869124][ T4421] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 135.869127][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869129][ T4421] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 135.869131][ T4421] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 135.869133][ T4421] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 135.869135][ T4421] ? next_uptodate_folio (mm/filemap.c:3747) [ 135.869138][ T4421] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 135.869140][ T4421] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 135.869142][ T4421] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 135.869144][ T4421] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 135.869148][ T4421] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 135.869151][ T4421] ____sys_sendmsg (net/socket.c:2713) [ 135.869152][ T4421] ? copy_msghdr_from_user (net/socket.c:2650) [ 135.869154][ T4421] ? sock_write_iter (net/socket.c:1269) [ 135.869156][ T4421] ? move_addr_to_kernel (net/socket.c:258) [ 135.869158][ T4421] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 135.869160][ T4421] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 135.869162][ T4421] ___sys_sendmsg (net/socket.c:2767) [ 135.869166][ T4421] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 135.869168][ T4421] ? copy_msghdr_from_user (net/socket.c:2619) [ 135.869170][ T4421] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 135.869175][ T4421] __sys_sendmsg (net/socket.c:2799) [ 135.869177][ T4421] ? __sys_sendmsg_sock (net/socket.c:2780) [ 135.869180][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869181][ T4421] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 135.869183][ T4421] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 135.869185][ T4421] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 135.869187][ T4421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 135.869189][ T4421] RIP: 0033:0x7f0da0f4254e [ 135.869191][ T4421] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 135.869193][ T4421] RSP: 002b:00007ffdda37a2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 135.869197][ T4421] RAX: ffffffffffffffda RBX: 00007ffdda37aa88 RCX: 00007f0da0f4254e [ 135.869198][ T4421] RDX: 0000000000000000 RSI: 00007ffdda37a370 RDI: 0000000000000005 [ 135.869199][ T4421] RBP: 00007ffdda37a2d0 R08: 0000000000000000 R09: 0000000000000000 [ 135.869200][ T4421] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139c1 [ 135.869201][ T4421] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdda37aa40 | [ 141.407749][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 141.407752][ T12] Preemption disabled at: | [ 141.407752][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 141.407763][ T12] Tainted: [W]=WARN [ 141.407764][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 141.407766][ T12] Workqueue: netns cleanup_net [ 141.407772][ T12] Call Trace: [ 141.407774][ T12] [ 141.407775][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 141.407780][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 141.407782][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 141.407785][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 141.407787][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 141.407790][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407793][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 141.407796][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.407800][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 141.407804][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 141.407806][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 141.407808][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 141.407810][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 141.407812][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 141.407814][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 141.407819][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 141.407821][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 141.407823][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.407825][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407826][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407828][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 141.407831][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 141.407833][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407834][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407835][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407836][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.407839][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 141.407840][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 141.407843][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 141.407846][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 141.407847][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.407849][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 141.407851][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407852][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 141.407853][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 141.407855][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 141.407857][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 141.407859][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 141.407860][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 141.407862][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 141.407863][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 141.407865][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 141.407868][ T12] ? kthread (kernel/kthread.c:436) [ 141.407870][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 141.407873][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 141.407876][ T12] _printk (kernel/printk/printk.c:2504) [ 141.407879][ T12] ? snapshot_read.cold (user.c:?) [ 141.407881][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 141.407885][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 141.407887][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 141.407889][ T12] ? netdev_notice (net/core/dev.c:13194) [ 141.407892][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407893][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 141.407894][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 141.407897][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 141.407899][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 141.407900][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 141.407903][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 141.407905][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 141.407909][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 141.407911][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 141.407914][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 141.407916][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 141.407918][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 141.407921][ T12] cleanup_net (net/core/net_namespace.c:706) [ 141.407922][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 141.407925][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.407926][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.407928][ T12] process_one_work (kernel/workqueue.c:3387) [ 141.407931][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 141.407933][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 141.407935][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.407937][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 141.407940][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 141.407942][ T12] kthread (kernel/kthread.c:436) [ 141.407944][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 141.407946][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 141.407948][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 141.407949][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 141.407951][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 141.407954][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 141.407956][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 142.636211][ T4545] softirqs last disabled at (0): 0x0 | [ 142.636213][ T4545] Preemption disabled at: | [ 142.636214][ T4545] vprintk_emit (kernel/printk/printk.c:2471) | [ 142.636223][ T4545] Tainted: [W]=WARN [ 142.636224][ T4545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 142.636226][ T4545] Call Trace: [ 142.636228][ T4545] [ 142.636229][ T4545] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 142.636234][ T4545] ? vprintk_emit (kernel/printk/printk.c:2471) [ 142.636236][ T4545] __might_resched.cold (kernel/sched/core.c:9234) [ 142.636239][ T4545] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 142.636242][ T4545] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 142.636245][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636247][ T4545] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 142.636250][ T4545] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 142.636253][ T4545] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 142.636259][ T4545] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 142.636260][ T4545] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 142.636263][ T4545] put_chars (drivers/char/virtio_console.c:1176) [ 142.636265][ T4545] ? __send_to_port (drivers/char/virtio_console.c:654) [ 142.636266][ T4545] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 142.636269][ T4545] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 142.636274][ T4545] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 142.636275][ T4545] ? vsnprintf (lib/vsprintf.c:2900) [ 142.636279][ T4545] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 142.636280][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636281][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636283][ T4545] console_emit_next_record (kernel/printk/printk.c:3183) [ 142.636286][ T4545] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 142.636288][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636289][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636290][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636291][ T4545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.636293][ T4545] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 142.636295][ T4545] console_flush_one_record (kernel/printk/printk.c:3268) [ 142.636298][ T4545] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 142.636300][ T4545] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 142.636302][ T4545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.636304][ T4545] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 142.636306][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636307][ T4545] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 142.636308][ T4545] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 142.636310][ T4545] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 142.636311][ T4545] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 142.636313][ T4545] ? vprintk_emit (kernel/printk/printk.c:2478) [ 142.636315][ T4545] vprintk_emit (kernel/printk/printk.c:2479) [ 142.636322][ T4545] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 142.636323][ T4545] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 142.636325][ T4545] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 142.636327][ T4545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.636329][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636330][ T4545] _printk (kernel/printk/printk.c:2504) [ 142.636334][ T4545] ? snapshot_read.cold (user.c:?) [ 142.636336][ T4545] ? br_multicast_flood (??:?) [ 142.636339][ T4545] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 142.636342][ T4545] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 142.636343][ T4545] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 142.636345][ T4545] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 142.636348][ T4545] br_init_port (net/bridge/br_stp_if.c:39) [ 142.636350][ T4545] new_nbp (net/bridge/br_if.c:449) [ 142.636352][ T4545] br_add_if (net/bridge/br_if.c:592) [ 142.636354][ T4545] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 142.636358][ T4545] do_set_master (net/core/rtnetlink.c:3071) [ 142.636360][ T4545] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 142.636361][ T4545] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 142.636363][ T4545] ? __dev_get_by_name (net/core/dev.c:905) [ 142.636364][ T4545] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 142.636368][ T4545] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 142.636371][ T4545] rtnl_newlink (net/core/rtnetlink.c:4215) [ 142.636373][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636374][ T4545] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 142.636375][ T4545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.636377][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636378][ T4545] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 142.636381][ T4545] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 142.636382][ T4545] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 142.636385][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636386][ T4545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.636387][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636389][ T4545] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 142.636390][ T4545] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 142.636392][ T4545] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 142.636393][ T4545] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 142.636395][ T4545] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 142.636398][ T4545] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 142.636401][ T4545] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 142.636402][ T4545] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 142.636404][ T4545] ? netlink_ack (./include/linux/skbuff.h:2718) [ 142.636406][ T4545] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 142.636409][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636410][ T4545] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 142.636412][ T4545] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 142.636414][ T4545] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 142.636416][ T4545] ? next_uptodate_folio (mm/filemap.c:3747) [ 142.636419][ T4545] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 142.636421][ T4545] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 142.636423][ T4545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.636425][ T4545] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 142.636428][ T4545] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 142.636431][ T4545] ____sys_sendmsg (net/socket.c:2713) [ 142.636433][ T4545] ? copy_msghdr_from_user (net/socket.c:2650) [ 142.636435][ T4545] ? sock_write_iter (net/socket.c:1269) [ 142.636436][ T4545] ? move_addr_to_kernel (net/socket.c:258) [ 142.636438][ T4545] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 142.636441][ T4545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.636442][ T4545] ___sys_sendmsg (net/socket.c:2767) [ 142.636444][ T4545] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 142.636446][ T4545] ? copy_msghdr_from_user (net/socket.c:2619) [ 142.636448][ T4545] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 142.636452][ T4545] __sys_sendmsg (net/socket.c:2799) [ 142.636454][ T4545] ? __sys_sendmsg_sock (net/socket.c:2780) [ 142.636457][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636458][ T4545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.636460][ T4545] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 142.636462][ T4545] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 142.636464][ T4545] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 142.636466][ T4545] RIP: 0033:0x7f7a8447554e [ 142.636468][ T4545] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 142.636470][ T4545] RSP: 002b:00007ffdc62e93d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 142.636474][ T4545] RAX: ffffffffffffffda RBX: 00007ffdc62e9b98 RCX: 00007f7a8447554e [ 142.636475][ T4545] RDX: 0000000000000000 RSI: 00007ffdc62e9480 RDI: 0000000000000005 [ 142.636476][ T4545] RBP: 00007ffdc62e93e0 R08: 0000000000000000 R09: 0000000000000000 [ 142.636477][ T4545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139c7 [ 142.636478][ T4545] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc62e9b50 | [ 144.033262][ T4613] softirqs last disabled at (0): 0x0 | [ 144.033264][ T4613] Preemption disabled at: | [ 144.033264][ T4613] vprintk_emit (kernel/printk/printk.c:2471) | [ 144.033275][ T4613] Tainted: [W]=WARN [ 144.033276][ T4613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 144.033278][ T4613] Call Trace: [ 144.033279][ T4613] [ 144.033280][ T4613] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 144.033286][ T4613] ? vprintk_emit (kernel/printk/printk.c:2471) [ 144.033287][ T4613] __might_resched.cold (kernel/sched/core.c:9234) [ 144.033292][ T4613] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 144.033295][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033298][ T4613] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 144.033301][ T4613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 144.033304][ T4613] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 144.033309][ T4613] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 144.033311][ T4613] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 144.033314][ T4613] put_chars (drivers/char/virtio_console.c:1176) [ 144.033316][ T4613] ? __send_to_port (drivers/char/virtio_console.c:654) [ 144.033317][ T4613] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 144.033319][ T4613] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 144.033327][ T4613] ? pointer (lib/vsprintf.c:2577) [ 144.033331][ T4613] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 144.033335][ T4613] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 144.033337][ T4613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 144.033339][ T4613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 144.033342][ T4613] console_emit_next_record (kernel/printk/printk.c:3183) [ 144.033345][ T4613] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 144.033347][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033348][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033349][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033350][ T4613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 144.033352][ T4613] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 144.033354][ T4613] console_flush_one_record (kernel/printk/printk.c:3268) [ 144.033356][ T4613] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 144.033359][ T4613] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 144.033361][ T4613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 144.033362][ T4613] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 144.033364][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033365][ T4613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 144.033367][ T4613] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 144.033368][ T4613] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 144.033370][ T4613] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 144.033372][ T4613] ? vprintk_emit (kernel/printk/printk.c:2478) [ 144.033373][ T4613] vprintk_emit (kernel/printk/printk.c:2479) [ 144.033375][ T4613] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 144.033376][ T4613] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 144.033378][ T4613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 144.033382][ T4613] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 144.033384][ T4613] _printk (kernel/printk/printk.c:2504) [ 144.033388][ T4613] ? snapshot_read.cold (user.c:?) [ 144.033390][ T4613] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 144.033392][ T4613] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 144.033395][ T4613] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 144.033397][ T4613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 144.033400][ T4613] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 144.033403][ T4613] ? netdev_notice (net/core/dev.c:13194) [ 144.033405][ T4613] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 144.033407][ T4613] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 144.033409][ T4613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 144.033411][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033412][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033413][ T4613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 144.033415][ T4613] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 144.033416][ T4613] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 144.033417][ T4613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 144.033419][ T4613] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 144.033420][ T4613] ? register_netdev (net/core/dev.c:11618) [ 144.033422][ T4613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 144.033424][ T4613] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 144.033426][ T4613] ? __kernel_text_address (kernel/extable.c:79) [ 144.033429][ T4613] ? write_profile (profile.c:?) [ 144.033432][ T4613] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 144.033436][ T4613] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 144.033437][ T4613] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 144.033439][ T4613] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 144.033440][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033442][ T4613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 144.033447][ T4613] ? kasan_save_stack (mm/kasan/common.c:58) [ 144.033449][ T4613] ? kasan_save_stack (mm/kasan/common.c:57) [ 144.033451][ T4613] ? kasan_save_track (mm/kasan/common.c:78) [ 144.033452][ T4613] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 144.033453][ T4613] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 144.033454][ T4613] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 144.033455][ T4613] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 144.033457][ T4613] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 144.033460][ T4613] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 144.033461][ T4613] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 144.033463][ T4613] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 144.033466][ T4613] ? ____sys_sendmsg (net/socket.c:2713) [ 144.033467][ T4613] ? ___sys_sendmsg (net/socket.c:2767) [ 144.033468][ T4613] ? __sys_sendmsg (net/socket.c:2799) [ 144.033470][ T4613] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 144.033472][ T4613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 144.033475][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033476][ T4613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 144.033477][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033478][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033480][ T4613] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 144.033481][ T4613] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 144.033482][ T4613] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 144.033483][ T4613] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 144.033485][ T4613] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 144.033486][ T4613] ? nla_get_range_signed (lib/nlattr.c:270) [ 144.033490][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033491][ T4613] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 144.033493][ T4613] rtnl_newlink (net/core/rtnetlink.c:4215) [ 144.033495][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033497][ T4613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 144.033498][ T4613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 144.033499][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033501][ T4613] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 144.033504][ T4613] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 144.033505][ T4613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 144.033507][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033508][ T4613] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 144.033511][ T4613] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 144.033513][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033514][ T4613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 144.033516][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033517][ T4613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 144.033519][ T4613] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 144.033520][ T4613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 144.033522][ T4613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 144.033523][ T4613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 144.033526][ T4613] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 144.033527][ T4613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 144.033529][ T4613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 144.033530][ T4613] ? netlink_ack (./include/linux/skbuff.h:2718) [ 144.033532][ T4613] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 144.033535][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033536][ T4613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 144.033538][ T4613] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 144.033540][ T4613] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 144.033542][ T4613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 144.033544][ T4613] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 144.033546][ T4613] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 144.033548][ T4613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 144.033550][ T4613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 144.033551][ T4613] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 144.033555][ T4613] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 144.033557][ T4613] ____sys_sendmsg (net/socket.c:2713) [ 144.033558][ T4613] ? copy_msghdr_from_user (net/socket.c:2650) [ 144.033560][ T4613] ? sock_write_iter (net/socket.c:1269) [ 144.033561][ T4613] ? move_addr_to_kernel (net/socket.c:258) [ 144.033563][ T4613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 144.033566][ T4613] ___sys_sendmsg (net/socket.c:2767) [ 144.033567][ T4613] ? copy_msghdr_from_user (net/socket.c:2619) [ 144.033572][ T4613] __sys_sendmsg (net/socket.c:2799) [ 144.033575][ T4613] ? __sys_sendmsg_sock (net/socket.c:2780) [ 144.033577][ T4613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 144.033579][ T4613] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 144.033581][ T4613] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 144.033583][ T4613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 144.033584][ T4613] RIP: 0033:0x7fb6b1dbd54e [ 144.033586][ T4613] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 144.033588][ T4613] RSP: 002b:00007fffb6b20bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 144.033591][ T4613] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb6b1dbd54e [ 144.033593][ T4613] RDX: 0000000000000000 RSI: 00007fffb6b20ca0 RDI: 0000000000000005 [ 144.033594][ T4613] RBP: 00007fffb6b20c00 R08: 0000000000000000 R09: 0000000000000000 [ 144.033595][ T4613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139c9 [ 144.033596][ T4613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb6b21360 | [ 145.187039][ T4671] softirqs last disabled at (0): 0x0 | [ 145.187041][ T4671] Preemption disabled at: | [ 145.187042][ T4671] vprintk_emit (kernel/printk/printk.c:2471) | [ 145.187052][ T4671] Tainted: [W]=WARN [ 145.187053][ T4671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 145.187055][ T4671] Call Trace: [ 145.187057][ T4671] [ 145.187058][ T4671] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 145.187064][ T4671] ? vprintk_emit (kernel/printk/printk.c:2471) [ 145.187066][ T4671] __might_resched.cold (kernel/sched/core.c:9234) [ 145.187069][ T4671] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 145.187072][ T4671] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 145.187075][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187078][ T4671] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 145.187081][ T4671] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 145.187084][ T4671] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 145.187089][ T4671] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 145.187091][ T4671] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 145.187094][ T4671] put_chars (drivers/char/virtio_console.c:1176) [ 145.187096][ T4671] ? __send_to_port (drivers/char/virtio_console.c:654) [ 145.187098][ T4671] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 145.187100][ T4671] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 145.187105][ T4671] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 145.187107][ T4671] ? vsnprintf (lib/vsprintf.c:2900) [ 145.187111][ T4671] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 145.187113][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187114][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187116][ T4671] console_emit_next_record (kernel/printk/printk.c:3183) [ 145.187119][ T4671] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 145.187121][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187122][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187123][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187124][ T4671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.187127][ T4671] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 145.187129][ T4671] console_flush_one_record (kernel/printk/printk.c:3268) [ 145.187131][ T4671] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 145.187134][ T4671] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 145.187136][ T4671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.187138][ T4671] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 145.187139][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187140][ T4671] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 145.187142][ T4671] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 145.187144][ T4671] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 145.187145][ T4671] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 145.187147][ T4671] ? vprintk_emit (kernel/printk/printk.c:2478) [ 145.187149][ T4671] vprintk_emit (kernel/printk/printk.c:2479) [ 145.187151][ T4671] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 145.187152][ T4671] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 145.187154][ T4671] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 145.187157][ T4671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.187158][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187160][ T4671] _printk (kernel/printk/printk.c:2504) [ 145.187166][ T4671] ? snapshot_read.cold (user.c:?) [ 145.187168][ T4671] ? br_multicast_flood (??:?) [ 145.187172][ T4671] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 145.187175][ T4671] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 145.187177][ T4671] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 145.187178][ T4671] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 145.187181][ T4671] br_init_port (net/bridge/br_stp_if.c:39) [ 145.187183][ T4671] new_nbp (net/bridge/br_if.c:449) [ 145.187185][ T4671] br_add_if (net/bridge/br_if.c:592) [ 145.187187][ T4671] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 145.187192][ T4671] do_set_master (net/core/rtnetlink.c:3071) [ 145.187194][ T4671] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 145.187196][ T4671] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 145.187197][ T4671] ? __dev_get_by_name (net/core/dev.c:905) [ 145.187199][ T4671] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 145.187203][ T4671] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 145.187206][ T4671] rtnl_newlink (net/core/rtnetlink.c:4215) [ 145.187208][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187210][ T4671] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 145.187211][ T4671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.187213][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187214][ T4671] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 145.187217][ T4671] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 145.187219][ T4671] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 145.187221][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187222][ T4671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.187224][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187225][ T4671] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 145.187227][ T4671] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 145.187228][ T4671] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 145.187230][ T4671] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 145.187232][ T4671] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 145.187236][ T4671] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 145.187239][ T4671] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 145.187240][ T4671] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 145.187242][ T4671] ? netlink_ack (./include/linux/skbuff.h:2718) [ 145.187244][ T4671] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 145.187247][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187248][ T4671] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 145.187250][ T4671] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 145.187253][ T4671] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 145.187255][ T4671] ? next_uptodate_folio (mm/filemap.c:3747) [ 145.187258][ T4671] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 145.187260][ T4671] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 145.187262][ T4671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.187264][ T4671] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 145.187268][ T4671] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 145.187271][ T4671] ____sys_sendmsg (net/socket.c:2713) [ 145.187272][ T4671] ? copy_msghdr_from_user (net/socket.c:2650) [ 145.187274][ T4671] ? sock_write_iter (net/socket.c:1269) [ 145.187276][ T4671] ? move_addr_to_kernel (net/socket.c:258) [ 145.187278][ T4671] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 145.187281][ T4671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.187283][ T4671] ___sys_sendmsg (net/socket.c:2767) [ 145.187285][ T4671] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 145.187287][ T4671] ? copy_msghdr_from_user (net/socket.c:2619) [ 145.187288][ T4671] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 145.187293][ T4671] __sys_sendmsg (net/socket.c:2799) [ 145.187295][ T4671] ? __sys_sendmsg_sock (net/socket.c:2780) [ 145.187298][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187299][ T4671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.187301][ T4671] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 145.187304][ T4671] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 145.187306][ T4671] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 145.187308][ T4671] RIP: 0033:0x7f5c904a054e [ 145.187310][ T4671] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 145.187312][ T4671] RSP: 002b:00007ffe3d2126d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 145.187316][ T4671] RAX: ffffffffffffffda RBX: 00007ffe3d212e98 RCX: 00007f5c904a054e [ 145.187317][ T4671] RDX: 0000000000000000 RSI: 00007ffe3d212780 RDI: 0000000000000005 [ 145.187318][ T4671] RBP: 00007ffe3d2126e0 R08: 0000000000000000 R09: 0000000000000000 [ 145.187319][ T4671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139ca [ 145.187320][ T4671] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3d212e50 | [ 150.824738][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 150.824741][ T12] Preemption disabled at: | [ 150.824741][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 150.824753][ T12] Tainted: [W]=WARN [ 150.824754][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 150.824756][ T12] Workqueue: netns cleanup_net [ 150.824762][ T12] Call Trace: [ 150.824763][ T12] [ 150.824765][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 150.824771][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 150.824772][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 150.824776][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 150.824778][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 150.824782][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824784][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 150.824788][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.824791][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 150.824795][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 150.824797][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 150.824800][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 150.824802][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 150.824804][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 150.824807][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 150.824811][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 150.824813][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 150.824816][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.824818][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824819][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824820][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 150.824823][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 150.824826][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824827][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824828][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824829][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.824831][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 150.824833][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 150.824836][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 150.824838][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 150.824840][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.824842][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 150.824844][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824845][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 150.824847][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 150.824848][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 150.824850][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 150.824852][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 150.824853][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 150.824855][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 150.824856][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 150.824858][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 150.824861][ T12] ? kthread (kernel/kthread.c:436) [ 150.824863][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 150.824866][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 150.824869][ T12] _printk (kernel/printk/printk.c:2504) [ 150.824872][ T12] ? snapshot_read.cold (user.c:?) [ 150.824874][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 150.824878][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 150.824880][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 150.824882][ T12] ? netdev_notice (net/core/dev.c:13194) [ 150.824885][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824886][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 150.824887][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 150.824891][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 150.824892][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 150.824894][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 150.824896][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 150.824899][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 150.824903][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 150.824905][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 150.824907][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 150.824910][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 150.824912][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 150.824915][ T12] cleanup_net (net/core/net_namespace.c:706) [ 150.824917][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 150.824918][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 150.824921][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.824923][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.824925][ T12] process_one_work (kernel/workqueue.c:3387) [ 150.824928][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 150.824930][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 150.824932][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.824935][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 150.824938][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 150.824940][ T12] kthread (kernel/kthread.c:436) [ 150.824942][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 150.824943][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 150.824945][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 150.824947][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 150.824949][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 150.824952][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 150.824954][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 152.267695][ T4795] softirqs last disabled at (0): 0x0 | [ 152.267697][ T4795] Preemption disabled at: | [ 152.267697][ T4795] vprintk_emit (kernel/printk/printk.c:2471) | [ 152.267707][ T4795] Tainted: [W]=WARN [ 152.267708][ T4795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 152.267710][ T4795] Call Trace: [ 152.267712][ T4795] [ 152.267713][ T4795] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 152.267719][ T4795] ? vprintk_emit (kernel/printk/printk.c:2471) [ 152.267720][ T4795] __might_resched.cold (kernel/sched/core.c:9234) [ 152.267724][ T4795] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 152.267726][ T4795] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 152.267729][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267732][ T4795] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 152.267735][ T4795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 152.267738][ T4795] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 152.267743][ T4795] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 152.267745][ T4795] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 152.267748][ T4795] put_chars (drivers/char/virtio_console.c:1176) [ 152.267749][ T4795] ? __send_to_port (drivers/char/virtio_console.c:654) [ 152.267751][ T4795] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 152.267753][ T4795] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 152.267758][ T4795] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 152.267760][ T4795] ? vsnprintf (lib/vsprintf.c:2900) [ 152.267763][ T4795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 152.267765][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267766][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267768][ T4795] console_emit_next_record (kernel/printk/printk.c:3183) [ 152.267770][ T4795] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 152.267773][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267774][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267775][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267776][ T4795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 152.267778][ T4795] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 152.267780][ T4795] console_flush_one_record (kernel/printk/printk.c:3268) [ 152.267782][ T4795] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 152.267785][ T4795] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 152.267787][ T4795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 152.267788][ T4795] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 152.267790][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267791][ T4795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 152.267793][ T4795] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 152.267794][ T4795] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 152.267796][ T4795] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 152.267798][ T4795] ? vprintk_emit (kernel/printk/printk.c:2478) [ 152.267799][ T4795] vprintk_emit (kernel/printk/printk.c:2479) [ 152.267801][ T4795] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 152.267802][ T4795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 152.267804][ T4795] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 152.267807][ T4795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 152.267808][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267810][ T4795] _printk (kernel/printk/printk.c:2504) [ 152.267813][ T4795] ? snapshot_read.cold (user.c:?) [ 152.267815][ T4795] ? br_multicast_flood (??:?) [ 152.267819][ T4795] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 152.267821][ T4795] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 152.267823][ T4795] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 152.267824][ T4795] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 152.267827][ T4795] br_init_port (net/bridge/br_stp_if.c:39) [ 152.267829][ T4795] new_nbp (net/bridge/br_if.c:449) [ 152.267831][ T4795] br_add_if (net/bridge/br_if.c:592) [ 152.267833][ T4795] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 152.267837][ T4795] do_set_master (net/core/rtnetlink.c:3071) [ 152.267839][ T4795] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 152.267841][ T4795] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 152.267842][ T4795] ? __dev_get_by_name (net/core/dev.c:905) [ 152.267844][ T4795] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 152.267848][ T4795] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 152.267850][ T4795] rtnl_newlink (net/core/rtnetlink.c:4215) [ 152.267852][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267853][ T4795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 152.267855][ T4795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 152.267856][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267858][ T4795] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 152.267860][ T4795] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 152.267862][ T4795] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 152.267864][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267865][ T4795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 152.267867][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267868][ T4795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 152.267869][ T4795] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 152.267871][ T4795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 152.267873][ T4795] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 152.267874][ T4795] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 152.267878][ T4795] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 152.267880][ T4795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 152.267882][ T4795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 152.267883][ T4795] ? netlink_ack (./include/linux/skbuff.h:2718) [ 152.267885][ T4795] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 152.267888][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267889][ T4795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 152.267891][ T4795] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 152.267894][ T4795] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 152.267896][ T4795] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 152.267898][ T4795] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 152.267901][ T4795] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 152.267903][ T4795] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 152.267906][ T4795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 152.267907][ T4795] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 152.267911][ T4795] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 152.267914][ T4795] ____sys_sendmsg (net/socket.c:2713) [ 152.267915][ T4795] ? copy_msghdr_from_user (net/socket.c:2650) [ 152.267917][ T4795] ? sock_write_iter (net/socket.c:1269) [ 152.267918][ T4795] ? move_addr_to_kernel (net/socket.c:258) [ 152.267921][ T4795] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 152.267923][ T4795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 152.267925][ T4795] ___sys_sendmsg (net/socket.c:2767) [ 152.267927][ T4795] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 152.267928][ T4795] ? copy_msghdr_from_user (net/socket.c:2619) [ 152.267930][ T4795] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 152.267935][ T4795] __sys_sendmsg (net/socket.c:2799) [ 152.267937][ T4795] ? __sys_sendmsg_sock (net/socket.c:2780) [ 152.267939][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267940][ T4795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 152.267942][ T4795] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 152.267944][ T4795] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 152.267946][ T4795] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 152.267948][ T4795] RIP: 0033:0x7ffa7d99854e [ 152.267950][ T4795] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 152.267952][ T4795] RSP: 002b:00007ffcb91dbec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 152.267955][ T4795] RAX: ffffffffffffffda RBX: 00007ffcb91dc688 RCX: 00007ffa7d99854e [ 152.267957][ T4795] RDX: 0000000000000000 RSI: 00007ffcb91dbf70 RDI: 0000000000000005 [ 152.267958][ T4795] RBP: 00007ffcb91dbed0 R08: 0000000000000000 R09: 0000000000000000 [ 152.267959][ T4795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139d1 [ 152.267960][ T4795] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb91dc640 | [ 153.728636][ T4864] softirqs last disabled at (0): 0x0 | [ 153.728638][ T4864] Preemption disabled at: | [ 153.728639][ T4864] vprintk_emit (kernel/printk/printk.c:2471) | [ 153.728649][ T4864] Tainted: [W]=WARN [ 153.728650][ T4864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.728652][ T4864] Call Trace: [ 153.728653][ T4864] [ 153.728655][ T4864] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 153.728660][ T4864] ? vprintk_emit (kernel/printk/printk.c:2471) [ 153.728661][ T4864] __might_resched.cold (kernel/sched/core.c:9234) [ 153.728665][ T4864] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 153.728669][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728671][ T4864] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 153.728674][ T4864] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 153.728677][ T4864] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 153.728683][ T4864] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 153.728684][ T4864] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 153.728687][ T4864] put_chars (drivers/char/virtio_console.c:1176) [ 153.728689][ T4864] ? __send_to_port (drivers/char/virtio_console.c:654) [ 153.728690][ T4864] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 153.728692][ T4864] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 153.728695][ T4864] ? pointer (lib/vsprintf.c:2577) [ 153.728698][ T4864] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 153.728703][ T4864] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 153.728705][ T4864] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 153.728707][ T4864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.728709][ T4864] console_emit_next_record (kernel/printk/printk.c:3183) [ 153.728712][ T4864] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 153.728714][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728716][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728717][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728718][ T4864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.728720][ T4864] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 153.728721][ T4864] console_flush_one_record (kernel/printk/printk.c:3268) [ 153.728724][ T4864] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 153.728727][ T4864] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 153.728729][ T4864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.728731][ T4864] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 153.728732][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728733][ T4864] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.728735][ T4864] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 153.728737][ T4864] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 153.728738][ T4864] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 153.728741][ T4864] ? vprintk_emit (kernel/printk/printk.c:2478) [ 153.728742][ T4864] vprintk_emit (kernel/printk/printk.c:2479) [ 153.728744][ T4864] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 153.728745][ T4864] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 153.728747][ T4864] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 153.728751][ T4864] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 153.728753][ T4864] _printk (kernel/printk/printk.c:2504) [ 153.728756][ T4864] ? snapshot_read.cold (user.c:?) [ 153.728758][ T4864] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 153.728760][ T4864] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 153.728764][ T4864] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 153.728766][ T4864] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 153.728769][ T4864] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 153.728772][ T4864] ? netdev_notice (net/core/dev.c:13194) [ 153.728774][ T4864] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 153.728775][ T4864] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 153.728778][ T4864] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 153.728780][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728781][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728782][ T4864] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 153.728784][ T4864] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 153.728785][ T4864] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 153.728787][ T4864] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 153.728788][ T4864] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 153.728790][ T4864] ? register_netdev (net/core/dev.c:11618) [ 153.728791][ T4864] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.728793][ T4864] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 153.728796][ T4864] ? __kernel_text_address (kernel/extable.c:79) [ 153.728799][ T4864] ? write_profile (profile.c:?) [ 153.728802][ T4864] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 153.728805][ T4864] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 153.728807][ T4864] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 153.728809][ T4864] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 153.728810][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728812][ T4864] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 153.728815][ T4864] ? kasan_save_stack (mm/kasan/common.c:58) [ 153.728817][ T4864] ? kasan_save_stack (mm/kasan/common.c:57) [ 153.728818][ T4864] ? kasan_save_track (mm/kasan/common.c:78) [ 153.728819][ T4864] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 153.728820][ T4864] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 153.728822][ T4864] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 153.728823][ T4864] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 153.728824][ T4864] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 153.728827][ T4864] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 153.728829][ T4864] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 153.728830][ T4864] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 153.728833][ T4864] ? ____sys_sendmsg (net/socket.c:2713) [ 153.728835][ T4864] ? ___sys_sendmsg (net/socket.c:2767) [ 153.728836][ T4864] ? __sys_sendmsg (net/socket.c:2799) [ 153.728838][ T4864] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 153.728840][ T4864] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 153.728843][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728844][ T4864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.728846][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728847][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728848][ T4864] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 153.728849][ T4864] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 153.728851][ T4864] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 153.728852][ T4864] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 153.728853][ T4864] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 153.728855][ T4864] ? nla_get_range_signed (lib/nlattr.c:270) [ 153.728858][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728859][ T4864] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 153.728861][ T4864] rtnl_newlink (net/core/rtnetlink.c:4215) [ 153.728863][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728865][ T4864] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 153.728866][ T4864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.728868][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728869][ T4864] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 153.728871][ T4864] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 153.728873][ T4864] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 153.728874][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728876][ T4864] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 153.728879][ T4864] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 153.728881][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728883][ T4864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.728884][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728885][ T4864] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 153.728887][ T4864] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 153.728889][ T4864] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 153.728890][ T4864] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 153.728892][ T4864] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 153.728894][ T4864] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 153.728896][ T4864] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 153.728897][ T4864] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.728899][ T4864] ? netlink_ack (./include/linux/skbuff.h:2718) [ 153.728901][ T4864] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 153.728904][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728905][ T4864] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.728907][ T4864] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 153.728910][ T4864] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 153.728912][ T4864] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 153.728914][ T4864] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 153.728916][ T4864] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 153.728918][ T4864] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 153.728919][ T4864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.728921][ T4864] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 153.728924][ T4864] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 153.728926][ T4864] ____sys_sendmsg (net/socket.c:2713) [ 153.728928][ T4864] ? copy_msghdr_from_user (net/socket.c:2650) [ 153.728930][ T4864] ? sock_write_iter (net/socket.c:1269) [ 153.728931][ T4864] ? move_addr_to_kernel (net/socket.c:258) [ 153.728933][ T4864] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 153.728936][ T4864] ___sys_sendmsg (net/socket.c:2767) [ 153.728938][ T4864] ? copy_msghdr_from_user (net/socket.c:2619) [ 153.728943][ T4864] __sys_sendmsg (net/socket.c:2799) [ 153.728945][ T4864] ? __sys_sendmsg_sock (net/socket.c:2780) [ 153.728948][ T4864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.728949][ T4864] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 153.728951][ T4864] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 153.728953][ T4864] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 153.728955][ T4864] RIP: 0033:0x7fa95c09e54e [ 153.728957][ T4864] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 153.728958][ T4864] RSP: 002b:00007ffe717a51a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 153.728962][ T4864] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa95c09e54e [ 153.728964][ T4864] RDX: 0000000000000000 RSI: 00007ffe717a5250 RDI: 0000000000000005 [ 153.728965][ T4864] RBP: 00007ffe717a51b0 R08: 0000000000000000 R09: 0000000000000000 [ 153.728966][ T4864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139d3 [ 153.728967][ T4864] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe717a5910 | [ 154.875410][ T4914] softirqs last disabled at (0): 0x0 | [ 154.875412][ T4914] Preemption disabled at: | [ 154.875413][ T4914] vprintk_emit (kernel/printk/printk.c:2471) | [ 154.875422][ T4914] Tainted: [W]=WARN [ 154.875424][ T4914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.875425][ T4914] Call Trace: [ 154.875427][ T4914] [ 154.875428][ T4914] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 154.875434][ T4914] ? vprintk_emit (kernel/printk/printk.c:2471) [ 154.875435][ T4914] __might_resched.cold (kernel/sched/core.c:9234) [ 154.875439][ T4914] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 154.875441][ T4914] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 154.875445][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875448][ T4914] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 154.875451][ T4914] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 154.875454][ T4914] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 154.875459][ T4914] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 154.875460][ T4914] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 154.875463][ T4914] put_chars (drivers/char/virtio_console.c:1176) [ 154.875465][ T4914] ? __send_to_port (drivers/char/virtio_console.c:654) [ 154.875467][ T4914] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 154.875469][ T4914] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 154.875474][ T4914] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 154.875476][ T4914] ? vsnprintf (lib/vsprintf.c:2900) [ 154.875479][ T4914] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 154.875481][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875482][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875484][ T4914] console_emit_next_record (kernel/printk/printk.c:3183) [ 154.875487][ T4914] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 154.875489][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875490][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875491][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875492][ T4914] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.875495][ T4914] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 154.875497][ T4914] console_flush_one_record (kernel/printk/printk.c:3268) [ 154.875499][ T4914] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 154.875502][ T4914] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 154.875504][ T4914] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.875506][ T4914] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 154.875508][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875509][ T4914] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 154.875510][ T4914] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 154.875512][ T4914] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 154.875513][ T4914] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 154.875515][ T4914] ? vprintk_emit (kernel/printk/printk.c:2478) [ 154.875517][ T4914] vprintk_emit (kernel/printk/printk.c:2479) [ 154.875519][ T4914] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 154.875520][ T4914] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 154.875522][ T4914] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 154.875525][ T4914] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.875526][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875528][ T4914] _printk (kernel/printk/printk.c:2504) [ 154.875531][ T4914] ? snapshot_read.cold (user.c:?) [ 154.875533][ T4914] ? br_multicast_flood (??:?) [ 154.875537][ T4914] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 154.875540][ T4914] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 154.875541][ T4914] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 154.875543][ T4914] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 154.875546][ T4914] br_init_port (net/bridge/br_stp_if.c:39) [ 154.875547][ T4914] new_nbp (net/bridge/br_if.c:449) [ 154.875550][ T4914] br_add_if (net/bridge/br_if.c:592) [ 154.875552][ T4914] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 154.875556][ T4914] do_set_master (net/core/rtnetlink.c:3071) [ 154.875558][ T4914] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 154.875560][ T4914] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 154.875561][ T4914] ? __dev_get_by_name (net/core/dev.c:905) [ 154.875563][ T4914] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 154.875567][ T4914] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 154.875569][ T4914] rtnl_newlink (net/core/rtnetlink.c:4215) [ 154.875571][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875573][ T4914] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 154.875574][ T4914] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.875576][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875577][ T4914] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 154.875580][ T4914] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 154.875582][ T4914] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 154.875584][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875585][ T4914] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.875587][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875588][ T4914] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 154.875590][ T4914] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 154.875592][ T4914] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 154.875593][ T4914] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 154.875595][ T4914] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 154.875599][ T4914] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 154.875602][ T4914] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 154.875603][ T4914] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 154.875605][ T4914] ? netlink_ack (./include/linux/skbuff.h:2718) [ 154.875606][ T4914] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 154.875609][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875611][ T4914] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 154.875613][ T4914] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 154.875615][ T4914] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 154.875617][ T4914] ? next_uptodate_folio (mm/filemap.c:3747) [ 154.875620][ T4914] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 154.875623][ T4914] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 154.875625][ T4914] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.875626][ T4914] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 154.875630][ T4914] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 154.875633][ T4914] ____sys_sendmsg (net/socket.c:2713) [ 154.875635][ T4914] ? copy_msghdr_from_user (net/socket.c:2650) [ 154.875636][ T4914] ? sock_write_iter (net/socket.c:1269) [ 154.875638][ T4914] ? move_addr_to_kernel (net/socket.c:258) [ 154.875640][ T4914] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 154.875643][ T4914] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.875645][ T4914] ___sys_sendmsg (net/socket.c:2767) [ 154.875647][ T4914] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 154.875649][ T4914] ? copy_msghdr_from_user (net/socket.c:2619) [ 154.875650][ T4914] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 154.875655][ T4914] __sys_sendmsg (net/socket.c:2799) [ 154.875657][ T4914] ? __sys_sendmsg_sock (net/socket.c:2780) [ 154.875660][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875661][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.875663][ T4914] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 154.875665][ T4914] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 154.875667][ T4914] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 154.875669][ T4914] RIP: 0033:0x7f33dfe0354e [ 154.875671][ T4914] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 154.875673][ T4914] RSP: 002b:00007fff0d4b1d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 154.875677][ T4914] RAX: ffffffffffffffda RBX: 00007fff0d4b2518 RCX: 00007f33dfe0354e [ 154.875679][ T4914] RDX: 0000000000000000 RSI: 00007fff0d4b1e00 RDI: 0000000000000005 [ 154.875680][ T4914] RBP: 00007fff0d4b1d60 R08: 0000000000000000 R09: 0000000000000000 [ 154.875681][ T4914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139d4 [ 154.875681][ T4914] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0d4b24d0 | [ 160.455801][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 160.455804][ T12] Preemption disabled at: | [ 160.455806][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 160.455819][ T12] Tainted: [W]=WARN [ 160.455821][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.455823][ T12] Workqueue: netns cleanup_net [ 160.455830][ T12] Call Trace: [ 160.455833][ T12] [ 160.455835][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 160.455842][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 160.455844][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 160.455849][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 160.455852][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 160.455856][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.455860][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 160.455864][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.455868][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 160.455875][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 160.455877][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 160.455881][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 160.455884][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 160.455887][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 160.455891][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 160.455898][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 160.455900][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 160.455904][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.455907][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.455909][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.455912][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 160.455916][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 160.455919][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.455921][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.455923][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.455925][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.455929][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 160.455932][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 160.455936][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 160.455940][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 160.455943][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.455946][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 160.455949][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.455951][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 160.455953][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 160.455956][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 160.455958][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 160.455962][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 160.455964][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 160.455967][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 160.455969][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 160.455971][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 160.455975][ T12] ? kthread (kernel/kthread.c:436) [ 160.455978][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 160.455982][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 160.455986][ T12] _printk (kernel/printk/printk.c:2504) [ 160.455991][ T12] ? snapshot_read.cold (user.c:?) [ 160.455994][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 160.455999][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 160.456002][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 160.456006][ T12] ? netdev_notice (net/core/dev.c:13194) [ 160.456009][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.456012][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 160.456014][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 160.456018][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 160.456020][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 160.456023][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 160.456027][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 160.456030][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 160.456036][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 160.456039][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 160.456043][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 160.456046][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 160.456050][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 160.456054][ T12] cleanup_net (net/core/net_namespace.c:706) [ 160.456057][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 160.456060][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.456063][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.456066][ T12] process_one_work (kernel/workqueue.c:3387) [ 160.456070][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 160.456074][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 160.456077][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.456081][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 160.456085][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 160.456088][ T12] kthread (kernel/kthread.c:436) [ 160.456091][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 160.456094][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 160.456097][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 160.456100][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 160.456103][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 160.456107][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 160.456111][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 161.776428][ T5037] softirqs last disabled at (0): 0x0 | [ 161.776430][ T5037] Preemption disabled at: | [ 161.776431][ T5037] vprintk_emit (kernel/printk/printk.c:2471) | [ 161.776441][ T5037] Tainted: [W]=WARN [ 161.776442][ T5037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.776445][ T5037] Call Trace: [ 161.776446][ T5037] [ 161.776448][ T5037] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 161.776453][ T5037] ? vprintk_emit (kernel/printk/printk.c:2471) [ 161.776455][ T5037] __might_resched.cold (kernel/sched/core.c:9234) [ 161.776459][ T5037] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 161.776461][ T5037] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 161.776464][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776466][ T5037] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 161.776469][ T5037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 161.776472][ T5037] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 161.776477][ T5037] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 161.776479][ T5037] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 161.776482][ T5037] put_chars (drivers/char/virtio_console.c:1176) [ 161.776483][ T5037] ? __send_to_port (drivers/char/virtio_console.c:654) [ 161.776485][ T5037] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 161.776488][ T5037] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 161.776492][ T5037] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 161.776494][ T5037] ? vsnprintf (lib/vsprintf.c:2900) [ 161.776497][ T5037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 161.776499][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776500][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776502][ T5037] console_emit_next_record (kernel/printk/printk.c:3183) [ 161.776505][ T5037] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 161.776507][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776508][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776509][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776510][ T5037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.776513][ T5037] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 161.776514][ T5037] console_flush_one_record (kernel/printk/printk.c:3268) [ 161.776517][ T5037] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 161.776520][ T5037] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 161.776521][ T5037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.776523][ T5037] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 161.776525][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776526][ T5037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 161.776527][ T5037] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 161.776529][ T5037] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 161.776530][ T5037] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 161.776532][ T5037] ? vprintk_emit (kernel/printk/printk.c:2478) [ 161.776534][ T5037] vprintk_emit (kernel/printk/printk.c:2479) [ 161.776535][ T5037] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 161.776537][ T5037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 161.776538][ T5037] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 161.776541][ T5037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.776543][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776544][ T5037] _printk (kernel/printk/printk.c:2504) [ 161.776547][ T5037] ? snapshot_read.cold (user.c:?) [ 161.776549][ T5037] ? br_multicast_flood (??:?) [ 161.776553][ T5037] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 161.776555][ T5037] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 161.776557][ T5037] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 161.776558][ T5037] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 161.776561][ T5037] br_init_port (net/bridge/br_stp_if.c:39) [ 161.776563][ T5037] new_nbp (net/bridge/br_if.c:449) [ 161.776565][ T5037] br_add_if (net/bridge/br_if.c:592) [ 161.776567][ T5037] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 161.776571][ T5037] do_set_master (net/core/rtnetlink.c:3071) [ 161.776573][ T5037] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 161.776575][ T5037] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 161.776576][ T5037] ? __dev_get_by_name (net/core/dev.c:905) [ 161.776578][ T5037] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 161.776582][ T5037] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 161.776584][ T5037] rtnl_newlink (net/core/rtnetlink.c:4215) [ 161.776586][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776588][ T5037] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 161.776589][ T5037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.776591][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776592][ T5037] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 161.776595][ T5037] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 161.776596][ T5037] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 161.776599][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776600][ T5037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.776601][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776603][ T5037] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 161.776604][ T5037] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 161.776606][ T5037] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 161.776607][ T5037] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 161.776609][ T5037] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 161.776613][ T5037] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 161.776616][ T5037] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 161.776617][ T5037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 161.776619][ T5037] ? netlink_ack (./include/linux/skbuff.h:2718) [ 161.776620][ T5037] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 161.776623][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776625][ T5037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 161.776627][ T5037] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 161.776629][ T5037] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 161.776631][ T5037] ? next_uptodate_folio (mm/filemap.c:3747) [ 161.776634][ T5037] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 161.776636][ T5037] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 161.776638][ T5037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.776640][ T5037] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 161.776643][ T5037] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 161.776646][ T5037] ____sys_sendmsg (net/socket.c:2713) [ 161.776648][ T5037] ? copy_msghdr_from_user (net/socket.c:2650) [ 161.776649][ T5037] ? sock_write_iter (net/socket.c:1269) [ 161.776651][ T5037] ? move_addr_to_kernel (net/socket.c:258) [ 161.776653][ T5037] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 161.776656][ T5037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.776658][ T5037] ___sys_sendmsg (net/socket.c:2767) [ 161.776659][ T5037] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 161.776661][ T5037] ? copy_msghdr_from_user (net/socket.c:2619) [ 161.776662][ T5037] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 161.776667][ T5037] __sys_sendmsg (net/socket.c:2799) [ 161.776669][ T5037] ? __sys_sendmsg_sock (net/socket.c:2780) [ 161.776672][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776673][ T5037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.776675][ T5037] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 161.776678][ T5037] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 161.776680][ T5037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 161.776682][ T5037] RIP: 0033:0x7f135929954e [ 161.776684][ T5037] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 161.776686][ T5037] RSP: 002b:00007ffc167b9640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 161.776689][ T5037] RAX: ffffffffffffffda RBX: 00007ffc167b9e08 RCX: 00007f135929954e [ 161.776691][ T5037] RDX: 0000000000000000 RSI: 00007ffc167b96f0 RDI: 0000000000000005 [ 161.776692][ T5037] RBP: 00007ffc167b9650 R08: 0000000000000000 R09: 0000000000000000 [ 161.776693][ T5037] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139db [ 161.776694][ T5037] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc167b9dc0 | [ 163.193406][ T5107] softirqs last disabled at (0): 0x0 | [ 163.193408][ T5107] Preemption disabled at: | [ 163.193409][ T5107] vprintk_emit (kernel/printk/printk.c:2471) | [ 163.193419][ T5107] Tainted: [W]=WARN [ 163.193420][ T5107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.193422][ T5107] Call Trace: [ 163.193424][ T5107] [ 163.193425][ T5107] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 163.193430][ T5107] ? vprintk_emit (kernel/printk/printk.c:2471) [ 163.193432][ T5107] __might_resched.cold (kernel/sched/core.c:9234) [ 163.193435][ T5107] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 163.193439][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193442][ T5107] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 163.193445][ T5107] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 163.193448][ T5107] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 163.193453][ T5107] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 163.193455][ T5107] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 163.193458][ T5107] put_chars (drivers/char/virtio_console.c:1176) [ 163.193459][ T5107] ? __send_to_port (drivers/char/virtio_console.c:654) [ 163.193460][ T5107] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 163.193463][ T5107] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 163.193465][ T5107] ? pointer (lib/vsprintf.c:2577) [ 163.193468][ T5107] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 163.193473][ T5107] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 163.193475][ T5107] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 163.193477][ T5107] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.193479][ T5107] console_emit_next_record (kernel/printk/printk.c:3183) [ 163.193482][ T5107] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 163.193484][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193485][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193486][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193487][ T5107] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.193489][ T5107] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 163.193491][ T5107] console_flush_one_record (kernel/printk/printk.c:3268) [ 163.193493][ T5107] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 163.193496][ T5107] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 163.193498][ T5107] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.193499][ T5107] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 163.193501][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193502][ T5107] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.193504][ T5107] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 163.193505][ T5107] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 163.193507][ T5107] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 163.193509][ T5107] ? vprintk_emit (kernel/printk/printk.c:2478) [ 163.193510][ T5107] vprintk_emit (kernel/printk/printk.c:2479) [ 163.193512][ T5107] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 163.193513][ T5107] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 163.193515][ T5107] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 163.193518][ T5107] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 163.193521][ T5107] _printk (kernel/printk/printk.c:2504) [ 163.193524][ T5107] ? snapshot_read.cold (user.c:?) [ 163.193525][ T5107] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 163.193528][ T5107] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 163.193531][ T5107] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 163.193533][ T5107] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 163.193536][ T5107] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 163.193538][ T5107] ? netdev_notice (net/core/dev.c:13194) [ 163.193540][ T5107] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 163.193542][ T5107] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 163.193545][ T5107] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 163.193546][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193547][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193549][ T5107] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 163.193550][ T5107] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 163.193551][ T5107] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 163.193553][ T5107] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 163.193554][ T5107] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 163.193556][ T5107] ? register_netdev (net/core/dev.c:11618) [ 163.193557][ T5107] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.193559][ T5107] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 163.193562][ T5107] ? __kernel_text_address (kernel/extable.c:79) [ 163.193564][ T5107] ? write_profile (profile.c:?) [ 163.193567][ T5107] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 163.193570][ T5107] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 163.193572][ T5107] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 163.193574][ T5107] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 163.193575][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193576][ T5107] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 163.193579][ T5107] ? kasan_save_stack (mm/kasan/common.c:58) [ 163.193581][ T5107] ? kasan_save_stack (mm/kasan/common.c:57) [ 163.193582][ T5107] ? kasan_save_track (mm/kasan/common.c:78) [ 163.193583][ T5107] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 163.193584][ T5107] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 163.193586][ T5107] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 163.193587][ T5107] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 163.193588][ T5107] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 163.193591][ T5107] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 163.193592][ T5107] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 163.193594][ T5107] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 163.193597][ T5107] ? ____sys_sendmsg (net/socket.c:2713) [ 163.193598][ T5107] ? ___sys_sendmsg (net/socket.c:2767) [ 163.193599][ T5107] ? __sys_sendmsg (net/socket.c:2799) [ 163.193601][ T5107] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 163.193603][ T5107] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 163.193606][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193607][ T5107] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.193609][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193610][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193611][ T5107] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 163.193612][ T5107] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 163.193613][ T5107] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 163.193615][ T5107] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 163.193616][ T5107] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 163.193617][ T5107] ? nla_get_range_signed (lib/nlattr.c:270) [ 163.193620][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193622][ T5107] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 163.193624][ T5107] rtnl_newlink (net/core/rtnetlink.c:4215) [ 163.193626][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193627][ T5107] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 163.193628][ T5107] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.193630][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193631][ T5107] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 163.193633][ T5107] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 163.193634][ T5107] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 163.193636][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193637][ T5107] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 163.193640][ T5107] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 163.193643][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193644][ T5107] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.193645][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193647][ T5107] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 163.193648][ T5107] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 163.193650][ T5107] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 163.193651][ T5107] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 163.193653][ T5107] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 163.193655][ T5107] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 163.193657][ T5107] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 163.193658][ T5107] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.193660][ T5107] ? netlink_ack (./include/linux/skbuff.h:2718) [ 163.193661][ T5107] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 163.193664][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193665][ T5107] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.193667][ T5107] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 163.193670][ T5107] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 163.193671][ T5107] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 163.193673][ T5107] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 163.193676][ T5107] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 163.193677][ T5107] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 163.193679][ T5107] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.193681][ T5107] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 163.193684][ T5107] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 163.193685][ T5107] ____sys_sendmsg (net/socket.c:2713) [ 163.193687][ T5107] ? copy_msghdr_from_user (net/socket.c:2650) [ 163.193689][ T5107] ? sock_write_iter (net/socket.c:1269) [ 163.193690][ T5107] ? move_addr_to_kernel (net/socket.c:258) [ 163.193692][ T5107] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 163.193694][ T5107] ___sys_sendmsg (net/socket.c:2767) [ 163.193696][ T5107] ? copy_msghdr_from_user (net/socket.c:2619) [ 163.193701][ T5107] __sys_sendmsg (net/socket.c:2799) [ 163.193703][ T5107] ? __sys_sendmsg_sock (net/socket.c:2780) [ 163.193706][ T5107] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.193707][ T5107] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 163.193709][ T5107] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 163.193711][ T5107] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 163.193713][ T5107] RIP: 0033:0x7f025725254e [ 163.193714][ T5107] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 163.193716][ T5107] RSP: 002b:00007ffc651633e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 163.193720][ T5107] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f025725254e [ 163.193721][ T5107] RDX: 0000000000000000 RSI: 00007ffc65163490 RDI: 0000000000000005 [ 163.193722][ T5107] RBP: 00007ffc651633f0 R08: 0000000000000000 R09: 0000000000000000 [ 163.193723][ T5107] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139dc [ 163.193724][ T5107] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc65163b50 | [ 164.373158][ T5164] softirqs last disabled at (0): 0x0 | [ 164.373160][ T5164] Preemption disabled at: | [ 164.373160][ T5164] vprintk_emit (kernel/printk/printk.c:2471) | [ 164.373173][ T5164] Tainted: [W]=WARN [ 164.373174][ T5164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.373176][ T5164] Call Trace: [ 164.373178][ T5164] [ 164.373179][ T5164] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 164.373185][ T5164] ? vprintk_emit (kernel/printk/printk.c:2471) [ 164.373186][ T5164] __might_resched.cold (kernel/sched/core.c:9234) [ 164.373190][ T5164] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 164.373192][ T5164] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 164.373196][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373198][ T5164] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 164.373201][ T5164] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 164.373205][ T5164] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 164.373210][ T5164] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 164.373212][ T5164] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 164.373215][ T5164] put_chars (drivers/char/virtio_console.c:1176) [ 164.373216][ T5164] ? __send_to_port (drivers/char/virtio_console.c:654) [ 164.373218][ T5164] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 164.373221][ T5164] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 164.373226][ T5164] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 164.373227][ T5164] ? vsnprintf (lib/vsprintf.c:2900) [ 164.373231][ T5164] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 164.373233][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373234][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373236][ T5164] console_emit_next_record (kernel/printk/printk.c:3183) [ 164.373239][ T5164] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 164.373241][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373242][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373243][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373244][ T5164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.373246][ T5164] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 164.373248][ T5164] console_flush_one_record (kernel/printk/printk.c:3268) [ 164.373251][ T5164] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 164.373254][ T5164] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 164.373256][ T5164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.373258][ T5164] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 164.373259][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373260][ T5164] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 164.373262][ T5164] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 164.373264][ T5164] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 164.373265][ T5164] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 164.373267][ T5164] ? vprintk_emit (kernel/printk/printk.c:2478) [ 164.373269][ T5164] vprintk_emit (kernel/printk/printk.c:2479) [ 164.373271][ T5164] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 164.373272][ T5164] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 164.373274][ T5164] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 164.373277][ T5164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.373279][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373280][ T5164] _printk (kernel/printk/printk.c:2504) [ 164.373283][ T5164] ? snapshot_read.cold (user.c:?) [ 164.373285][ T5164] ? br_multicast_flood (??:?) [ 164.373289][ T5164] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 164.373292][ T5164] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 164.373293][ T5164] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 164.373295][ T5164] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 164.373298][ T5164] br_init_port (net/bridge/br_stp_if.c:39) [ 164.373300][ T5164] new_nbp (net/bridge/br_if.c:449) [ 164.373302][ T5164] br_add_if (net/bridge/br_if.c:592) [ 164.373304][ T5164] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 164.373309][ T5164] do_set_master (net/core/rtnetlink.c:3071) [ 164.373310][ T5164] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 164.373312][ T5164] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 164.373314][ T5164] ? __dev_get_by_name (net/core/dev.c:905) [ 164.373316][ T5164] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 164.373320][ T5164] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 164.373322][ T5164] rtnl_newlink (net/core/rtnetlink.c:4215) [ 164.373325][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373326][ T5164] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 164.373327][ T5164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.373329][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373330][ T5164] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 164.373333][ T5164] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 164.373335][ T5164] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 164.373337][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373339][ T5164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.373340][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373342][ T5164] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 164.373343][ T5164] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 164.373345][ T5164] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 164.373346][ T5164] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 164.373348][ T5164] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 164.373352][ T5164] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 164.373355][ T5164] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 164.373357][ T5164] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 164.373358][ T5164] ? netlink_ack (./include/linux/skbuff.h:2718) [ 164.373360][ T5164] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 164.373364][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373365][ T5164] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 164.373367][ T5164] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 164.373369][ T5164] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 164.373371][ T5164] ? next_uptodate_folio (mm/filemap.c:3747) [ 164.373374][ T5164] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 164.373377][ T5164] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 164.373379][ T5164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.373381][ T5164] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 164.373384][ T5164] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 164.373387][ T5164] ____sys_sendmsg (net/socket.c:2713) [ 164.373389][ T5164] ? copy_msghdr_from_user (net/socket.c:2650) [ 164.373391][ T5164] ? sock_write_iter (net/socket.c:1269) [ 164.373392][ T5164] ? move_addr_to_kernel (net/socket.c:258) [ 164.373400][ T5164] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 164.373403][ T5164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.373405][ T5164] ___sys_sendmsg (net/socket.c:2767) [ 164.373406][ T5164] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 164.373408][ T5164] ? copy_msghdr_from_user (net/socket.c:2619) [ 164.373410][ T5164] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 164.373415][ T5164] __sys_sendmsg (net/socket.c:2799) [ 164.373417][ T5164] ? __sys_sendmsg_sock (net/socket.c:2780) [ 164.373420][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373421][ T5164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.373423][ T5164] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 164.373425][ T5164] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 164.373427][ T5164] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 164.373430][ T5164] RIP: 0033:0x7f156a28854e [ 164.373432][ T5164] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 164.373434][ T5164] RSP: 002b:00007fffd8c97fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 164.373438][ T5164] RAX: ffffffffffffffda RBX: 00007fffd8c98798 RCX: 00007f156a28854e [ 164.373440][ T5164] RDX: 0000000000000000 RSI: 00007fffd8c98080 RDI: 0000000000000005 [ 164.373441][ T5164] RBP: 00007fffd8c97fe0 R08: 0000000000000000 R09: 0000000000000000 [ 164.373442][ T5164] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139dd [ 164.373443][ T5164] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd8c98750 | [ 169.990252][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 169.990254][ T12] Preemption disabled at: | [ 169.990255][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 169.990266][ T12] Tainted: [W]=WARN [ 169.990267][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.990269][ T12] Workqueue: netns cleanup_net [ 169.990274][ T12] Call Trace: [ 169.990276][ T12] [ 169.990278][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 169.990284][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 169.990285][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 169.990288][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 169.990291][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 169.990294][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990297][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 169.990300][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.990303][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 169.990307][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 169.990309][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 169.990312][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 169.990314][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 169.990315][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 169.990318][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 169.990323][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 169.990324][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 169.990327][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.990328][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990329][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990332][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 169.990334][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 169.990337][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990339][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990340][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.990342][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 169.990344][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 169.990346][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 169.990349][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 169.990351][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.990353][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 169.990355][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990356][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 169.990357][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 169.990359][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 169.990360][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 169.990363][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 169.990364][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 169.990366][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 169.990367][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 169.990368][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 169.990371][ T12] ? kthread (kernel/kthread.c:436) [ 169.990374][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 169.990377][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 169.990379][ T12] _printk (kernel/printk/printk.c:2504) [ 169.990382][ T12] ? snapshot_read.cold (user.c:?) [ 169.990385][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 169.990388][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 169.990390][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 169.990392][ T12] ? netdev_notice (net/core/dev.c:13194) [ 169.990394][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990396][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 169.990397][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 169.990400][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 169.990402][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 169.990403][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 169.990406][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 169.990408][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 169.990412][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 169.990420][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 169.990422][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 169.990424][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 169.990427][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 169.990430][ T12] cleanup_net (net/core/net_namespace.c:706) [ 169.990432][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 169.990434][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.990435][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.990438][ T12] process_one_work (kernel/workqueue.c:3387) [ 169.990441][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 169.990443][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 169.990445][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.990448][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 169.990451][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 169.990453][ T12] kthread (kernel/kthread.c:436) [ 169.990454][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 169.990456][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 169.990458][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 169.990460][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 169.990462][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 169.990465][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 169.990467][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 171.417697][ T5287] softirqs last disabled at (0): 0x0 | [ 171.417698][ T5287] Preemption disabled at: | [ 171.417699][ T5287] vprintk_emit (kernel/printk/printk.c:2471) | [ 171.417709][ T5287] Tainted: [W]=WARN [ 171.417710][ T5287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 171.417712][ T5287] Call Trace: [ 171.417713][ T5287] [ 171.417715][ T5287] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 171.417720][ T5287] ? vprintk_emit (kernel/printk/printk.c:2471) [ 171.417722][ T5287] __might_resched.cold (kernel/sched/core.c:9234) [ 171.417725][ T5287] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 171.417728][ T5287] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 171.417731][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417734][ T5287] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 171.417737][ T5287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 171.417740][ T5287] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 171.417745][ T5287] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 171.417746][ T5287] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 171.417749][ T5287] put_chars (drivers/char/virtio_console.c:1176) [ 171.417751][ T5287] ? __send_to_port (drivers/char/virtio_console.c:654) [ 171.417752][ T5287] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 171.417755][ T5287] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 171.417760][ T5287] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 171.417761][ T5287] ? vsnprintf (lib/vsprintf.c:2900) [ 171.417765][ T5287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 171.417766][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417768][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417770][ T5287] console_emit_next_record (kernel/printk/printk.c:3183) [ 171.417772][ T5287] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 171.417775][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417776][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417777][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417778][ T5287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.417780][ T5287] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 171.417782][ T5287] console_flush_one_record (kernel/printk/printk.c:3268) [ 171.417785][ T5287] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 171.417788][ T5287] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 171.417789][ T5287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.417791][ T5287] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 171.417793][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417794][ T5287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 171.417795][ T5287] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 171.417797][ T5287] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 171.417798][ T5287] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 171.417800][ T5287] ? vprintk_emit (kernel/printk/printk.c:2478) [ 171.417802][ T5287] vprintk_emit (kernel/printk/printk.c:2479) [ 171.417804][ T5287] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 171.417805][ T5287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 171.417807][ T5287] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 171.417809][ T5287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.417811][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417812][ T5287] _printk (kernel/printk/printk.c:2504) [ 171.417816][ T5287] ? snapshot_read.cold (user.c:?) [ 171.417818][ T5287] ? br_multicast_flood (??:?) [ 171.417821][ T5287] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 171.417824][ T5287] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 171.417825][ T5287] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 171.417827][ T5287] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 171.417829][ T5287] br_init_port (net/bridge/br_stp_if.c:39) [ 171.417831][ T5287] new_nbp (net/bridge/br_if.c:449) [ 171.417833][ T5287] br_add_if (net/bridge/br_if.c:592) [ 171.417835][ T5287] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 171.417840][ T5287] do_set_master (net/core/rtnetlink.c:3071) [ 171.417841][ T5287] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 171.417843][ T5287] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 171.417845][ T5287] ? __dev_get_by_name (net/core/dev.c:905) [ 171.417846][ T5287] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 171.417851][ T5287] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 171.417853][ T5287] rtnl_newlink (net/core/rtnetlink.c:4215) [ 171.417855][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417856][ T5287] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 171.417858][ T5287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.417859][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417861][ T5287] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 171.417863][ T5287] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 171.417865][ T5287] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 171.417867][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417869][ T5287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.417870][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417871][ T5287] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 171.417873][ T5287] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 171.417874][ T5287] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 171.417876][ T5287] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 171.417877][ T5287] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 171.417881][ T5287] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 171.417884][ T5287] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 171.417885][ T5287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 171.417887][ T5287] ? netlink_ack (./include/linux/skbuff.h:2718) [ 171.417889][ T5287] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 171.417892][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417893][ T5287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 171.417895][ T5287] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 171.417897][ T5287] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 171.417899][ T5287] ? next_uptodate_folio (mm/filemap.c:3747) [ 171.417902][ T5287] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 171.417905][ T5287] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 171.417907][ T5287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.417908][ T5287] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 171.417912][ T5287] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 171.417915][ T5287] ____sys_sendmsg (net/socket.c:2713) [ 171.417917][ T5287] ? copy_msghdr_from_user (net/socket.c:2650) [ 171.417919][ T5287] ? sock_write_iter (net/socket.c:1269) [ 171.417920][ T5287] ? move_addr_to_kernel (net/socket.c:258) [ 171.417923][ T5287] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 171.417925][ T5287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.417927][ T5287] ___sys_sendmsg (net/socket.c:2767) [ 171.417929][ T5287] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 171.417930][ T5287] ? copy_msghdr_from_user (net/socket.c:2619) [ 171.417932][ T5287] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 171.417937][ T5287] __sys_sendmsg (net/socket.c:2799) [ 171.417939][ T5287] ? __sys_sendmsg_sock (net/socket.c:2780) [ 171.417942][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417943][ T5287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.417944][ T5287] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 171.417947][ T5287] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 171.417949][ T5287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 171.417951][ T5287] RIP: 0033:0x7f1fc089454e [ 171.417953][ T5287] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 171.417955][ T5287] RSP: 002b:00007fffc453c570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 171.417959][ T5287] RAX: ffffffffffffffda RBX: 00007fffc453cd38 RCX: 00007f1fc089454e [ 171.417960][ T5287] RDX: 0000000000000000 RSI: 00007fffc453c620 RDI: 0000000000000005 [ 171.417961][ T5287] RBP: 00007fffc453c580 R08: 0000000000000000 R09: 0000000000000000 [ 171.417962][ T5287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139e4 [ 171.417963][ T5287] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc453ccf0 | [ 172.936124][ T5357] softirqs last disabled at (0): 0x0 | [ 172.936125][ T5357] Preemption disabled at: | [ 172.936126][ T5357] vprintk_emit (kernel/printk/printk.c:2471) | [ 172.936136][ T5357] Tainted: [W]=WARN [ 172.936138][ T5357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 172.936140][ T5357] Call Trace: [ 172.936141][ T5357] [ 172.936142][ T5357] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 172.936148][ T5357] ? vprintk_emit (kernel/printk/printk.c:2471) [ 172.936149][ T5357] __might_resched.cold (kernel/sched/core.c:9234) [ 172.936153][ T5357] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 172.936156][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936159][ T5357] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 172.936162][ T5357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 172.936168][ T5357] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 172.936173][ T5357] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 172.936175][ T5357] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 172.936178][ T5357] put_chars (drivers/char/virtio_console.c:1176) [ 172.936179][ T5357] ? __send_to_port (drivers/char/virtio_console.c:654) [ 172.936181][ T5357] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 172.936183][ T5357] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 172.936185][ T5357] ? pointer (lib/vsprintf.c:2577) [ 172.936188][ T5357] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 172.936193][ T5357] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 172.936195][ T5357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 172.936197][ T5357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.936200][ T5357] console_emit_next_record (kernel/printk/printk.c:3183) [ 172.936202][ T5357] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 172.936204][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936205][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936206][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936208][ T5357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.936210][ T5357] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 172.936211][ T5357] console_flush_one_record (kernel/printk/printk.c:3268) [ 172.936214][ T5357] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 172.936216][ T5357] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 172.936218][ T5357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.936220][ T5357] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 172.936222][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936223][ T5357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.936224][ T5357] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 172.936226][ T5357] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 172.936227][ T5357] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 172.936229][ T5357] ? vprintk_emit (kernel/printk/printk.c:2478) [ 172.936231][ T5357] vprintk_emit (kernel/printk/printk.c:2479) [ 172.936232][ T5357] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 172.936234][ T5357] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 172.936236][ T5357] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 172.936239][ T5357] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 172.936241][ T5357] _printk (kernel/printk/printk.c:2504) [ 172.936244][ T5357] ? snapshot_read.cold (user.c:?) [ 172.936246][ T5357] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 172.936249][ T5357] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 172.936252][ T5357] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 172.936254][ T5357] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 172.936257][ T5357] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 172.936259][ T5357] ? netdev_notice (net/core/dev.c:13194) [ 172.936261][ T5357] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 172.936263][ T5357] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 172.936266][ T5357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 172.936267][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936268][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936269][ T5357] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 172.936271][ T5357] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 172.936273][ T5357] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 172.936274][ T5357] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 172.936275][ T5357] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 172.936277][ T5357] ? register_netdev (net/core/dev.c:11618) [ 172.936278][ T5357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.936281][ T5357] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 172.936283][ T5357] ? __kernel_text_address (kernel/extable.c:79) [ 172.936286][ T5357] ? write_profile (profile.c:?) [ 172.936289][ T5357] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 172.936292][ T5357] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 172.936294][ T5357] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 172.936296][ T5357] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 172.936297][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936298][ T5357] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 172.936301][ T5357] ? kasan_save_stack (mm/kasan/common.c:58) [ 172.936303][ T5357] ? kasan_save_stack (mm/kasan/common.c:57) [ 172.936304][ T5357] ? kasan_save_track (mm/kasan/common.c:78) [ 172.936305][ T5357] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 172.936306][ T5357] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 172.936308][ T5357] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 172.936309][ T5357] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 172.936310][ T5357] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 172.936313][ T5357] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 172.936315][ T5357] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 172.936316][ T5357] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 172.936319][ T5357] ? ____sys_sendmsg (net/socket.c:2713) [ 172.936320][ T5357] ? ___sys_sendmsg (net/socket.c:2767) [ 172.936322][ T5357] ? __sys_sendmsg (net/socket.c:2799) [ 172.936323][ T5357] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 172.936326][ T5357] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 172.936328][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936329][ T5357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.936331][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936332][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936333][ T5357] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 172.936334][ T5357] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 172.936336][ T5357] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 172.936337][ T5357] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 172.936338][ T5357] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 172.936339][ T5357] ? nla_get_range_signed (lib/nlattr.c:270) [ 172.936343][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936344][ T5357] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 172.936346][ T5357] rtnl_newlink (net/core/rtnetlink.c:4215) [ 172.936348][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936349][ T5357] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 172.936350][ T5357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.936352][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936353][ T5357] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 172.936355][ T5357] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 172.936357][ T5357] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 172.936358][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936359][ T5357] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 172.936362][ T5357] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 172.936365][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936366][ T5357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.936367][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936368][ T5357] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 172.936370][ T5357] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 172.936371][ T5357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 172.936373][ T5357] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 172.936374][ T5357] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 172.936377][ T5357] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 172.936378][ T5357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 172.936380][ T5357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.936381][ T5357] ? netlink_ack (./include/linux/skbuff.h:2718) [ 172.936383][ T5357] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 172.936386][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936387][ T5357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.936389][ T5357] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 172.936391][ T5357] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 172.936393][ T5357] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 172.936395][ T5357] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 172.936397][ T5357] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 172.936399][ T5357] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 172.936400][ T5357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.936402][ T5357] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 172.936405][ T5357] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 172.936407][ T5357] ____sys_sendmsg (net/socket.c:2713) [ 172.936409][ T5357] ? copy_msghdr_from_user (net/socket.c:2650) [ 172.936410][ T5357] ? sock_write_iter (net/socket.c:1269) [ 172.936412][ T5357] ? move_addr_to_kernel (net/socket.c:258) [ 172.936413][ T5357] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 172.936416][ T5357] ___sys_sendmsg (net/socket.c:2767) [ 172.936418][ T5357] ? copy_msghdr_from_user (net/socket.c:2619) [ 172.936422][ T5357] __sys_sendmsg (net/socket.c:2799) [ 172.936430][ T5357] ? __sys_sendmsg_sock (net/socket.c:2780) [ 172.936432][ T5357] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 172.936435][ T5357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.936436][ T5357] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 172.936438][ T5357] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 172.936440][ T5357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 172.936441][ T5357] RIP: 0033:0x7fccf399754e [ 172.936443][ T5357] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 172.936446][ T5357] RSP: 002b:00007fffb812f4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 172.936449][ T5357] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fccf399754e [ 172.936451][ T5357] RDX: 0000000000000000 RSI: 00007fffb812f560 RDI: 0000000000000005 [ 172.936452][ T5357] RBP: 00007fffb812f4c0 R08: 0000000000000000 R09: 0000000000000000 [ 172.936453][ T5357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139e6 [ 172.936454][ T5357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb812fc20 | [ 174.056510][ T5407] softirqs last disabled at (0): 0x0 | [ 174.056512][ T5407] Preemption disabled at: | [ 174.056513][ T5407] vprintk_emit (kernel/printk/printk.c:2471) | [ 174.056523][ T5407] Tainted: [W]=WARN [ 174.056524][ T5407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 174.056526][ T5407] Call Trace: [ 174.056528][ T5407] [ 174.056529][ T5407] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 174.056535][ T5407] ? vprintk_emit (kernel/printk/printk.c:2471) [ 174.056537][ T5407] __might_resched.cold (kernel/sched/core.c:9234) [ 174.056540][ T5407] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 174.056542][ T5407] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 174.056546][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056548][ T5407] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 174.056551][ T5407] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 174.056554][ T5407] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 174.056560][ T5407] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 174.056562][ T5407] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 174.056564][ T5407] put_chars (drivers/char/virtio_console.c:1176) [ 174.056566][ T5407] ? __send_to_port (drivers/char/virtio_console.c:654) [ 174.056568][ T5407] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 174.056570][ T5407] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 174.056575][ T5407] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 174.056577][ T5407] ? vsnprintf (lib/vsprintf.c:2900) [ 174.056581][ T5407] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 174.056583][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056584][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056586][ T5407] console_emit_next_record (kernel/printk/printk.c:3183) [ 174.056589][ T5407] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 174.056591][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056592][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056593][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056594][ T5407] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.056596][ T5407] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 174.056598][ T5407] console_flush_one_record (kernel/printk/printk.c:3268) [ 174.056601][ T5407] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 174.056604][ T5407] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 174.056605][ T5407] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.056607][ T5407] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 174.056609][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056610][ T5407] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 174.056611][ T5407] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 174.056613][ T5407] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 174.056614][ T5407] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 174.056617][ T5407] ? vprintk_emit (kernel/printk/printk.c:2478) [ 174.056618][ T5407] vprintk_emit (kernel/printk/printk.c:2479) [ 174.056620][ T5407] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 174.056621][ T5407] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 174.056623][ T5407] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 174.056626][ T5407] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.056627][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056629][ T5407] _printk (kernel/printk/printk.c:2504) [ 174.056632][ T5407] ? snapshot_read.cold (user.c:?) [ 174.056634][ T5407] ? br_multicast_flood (??:?) [ 174.056637][ T5407] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 174.056640][ T5407] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 174.056641][ T5407] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 174.056643][ T5407] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 174.056646][ T5407] br_init_port (net/bridge/br_stp_if.c:39) [ 174.056648][ T5407] new_nbp (net/bridge/br_if.c:449) [ 174.056651][ T5407] br_add_if (net/bridge/br_if.c:592) [ 174.056652][ T5407] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 174.056657][ T5407] do_set_master (net/core/rtnetlink.c:3071) [ 174.056659][ T5407] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 174.056660][ T5407] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 174.056662][ T5407] ? __dev_get_by_name (net/core/dev.c:905) [ 174.056664][ T5407] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 174.056667][ T5407] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 174.056670][ T5407] rtnl_newlink (net/core/rtnetlink.c:4215) [ 174.056672][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056673][ T5407] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 174.056675][ T5407] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.056676][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056678][ T5407] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 174.056680][ T5407] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 174.056682][ T5407] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 174.056684][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056686][ T5407] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.056687][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056688][ T5407] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 174.056690][ T5407] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 174.056692][ T5407] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 174.056693][ T5407] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 174.056694][ T5407] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 174.056698][ T5407] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 174.056701][ T5407] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 174.056703][ T5407] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 174.056704][ T5407] ? netlink_ack (./include/linux/skbuff.h:2718) [ 174.056706][ T5407] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 174.056709][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056710][ T5407] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 174.056712][ T5407] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 174.056715][ T5407] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 174.056716][ T5407] ? next_uptodate_folio (mm/filemap.c:3747) [ 174.056720][ T5407] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 174.056722][ T5407] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 174.056724][ T5407] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.056726][ T5407] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 174.056729][ T5407] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 174.056732][ T5407] ____sys_sendmsg (net/socket.c:2713) [ 174.056734][ T5407] ? copy_msghdr_from_user (net/socket.c:2650) [ 174.056736][ T5407] ? sock_write_iter (net/socket.c:1269) [ 174.056737][ T5407] ? move_addr_to_kernel (net/socket.c:258) [ 174.056740][ T5407] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 174.056742][ T5407] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.056744][ T5407] ___sys_sendmsg (net/socket.c:2767) [ 174.056746][ T5407] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 174.056748][ T5407] ? copy_msghdr_from_user (net/socket.c:2619) [ 174.056749][ T5407] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 174.056754][ T5407] __sys_sendmsg (net/socket.c:2799) [ 174.056756][ T5407] ? __sys_sendmsg_sock (net/socket.c:2780) [ 174.056759][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056760][ T5407] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.056761][ T5407] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 174.056764][ T5407] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 174.056766][ T5407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 174.056768][ T5407] RIP: 0033:0x7f163d0bc54e [ 174.056770][ T5407] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 174.056772][ T5407] RSP: 002b:00007ffd1987cf10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 174.056776][ T5407] RAX: ffffffffffffffda RBX: 00007ffd1987d6d8 RCX: 00007f163d0bc54e [ 174.056777][ T5407] RDX: 0000000000000000 RSI: 00007ffd1987cfc0 RDI: 0000000000000005 [ 174.056778][ T5407] RBP: 00007ffd1987cf20 R08: 0000000000000000 R09: 0000000000000000 [ 174.056779][ T5407] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139e7 [ 174.056780][ T5407] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1987d690 | [ 187.709725][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 187.709727][ T12] Preemption disabled at: | [ 187.709728][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 187.709739][ T12] Tainted: [W]=WARN [ 187.709740][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 187.709742][ T12] Workqueue: netns cleanup_net [ 187.709748][ T12] Call Trace: [ 187.709750][ T12] [ 187.709751][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 187.709757][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 187.709759][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 187.709763][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 187.709765][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 187.709768][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709771][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 187.709774][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 187.709777][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 187.709782][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 187.709784][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 187.709786][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 187.709788][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 187.709790][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 187.709793][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 187.709798][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 187.709799][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 187.709802][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 187.709804][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709805][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709807][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 187.709810][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 187.709812][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709813][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709814][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709815][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 187.709817][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 187.709819][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 187.709822][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 187.709824][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 187.709826][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 187.709828][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 187.709830][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709831][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 187.709832][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 187.709834][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 187.709835][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 187.709837][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 187.709839][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 187.709841][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 187.709842][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 187.709843][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 187.709846][ T12] ? kthread (kernel/kthread.c:436) [ 187.709848][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 187.709851][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 187.709854][ T12] _printk (kernel/printk/printk.c:2504) [ 187.709857][ T12] ? snapshot_read.cold (user.c:?) [ 187.709859][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 187.709863][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 187.709865][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 187.709867][ T12] ? netdev_notice (net/core/dev.c:13194) [ 187.709869][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709871][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 187.709872][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 187.709875][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 187.709876][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 187.709878][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 187.709880][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 187.709883][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 187.709887][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 187.709889][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 187.709892][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 187.709894][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 187.709896][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 187.709899][ T12] cleanup_net (net/core/net_namespace.c:706) [ 187.709901][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 187.709902][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 187.709905][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 187.709906][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.709908][ T12] process_one_work (kernel/workqueue.c:3387) [ 187.709911][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 187.709913][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 187.709915][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 187.709918][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 187.709921][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 187.709923][ T12] kthread (kernel/kthread.c:436) [ 187.709925][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 187.709926][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 187.709928][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 187.709930][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 187.709932][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 187.709935][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 187.709937][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 190.027878][ T5743] softirqs last disabled at (0): 0x0 | [ 190.027880][ T5743] Preemption disabled at: | [ 190.027881][ T5743] vprintk_emit (kernel/printk/printk.c:2471) | [ 190.027891][ T5743] Tainted: [W]=WARN [ 190.027892][ T5743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 190.027894][ T5743] Call Trace: [ 190.027895][ T5743] [ 190.027897][ T5743] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 190.027902][ T5743] ? vprintk_emit (kernel/printk/printk.c:2471) [ 190.027903][ T5743] __might_resched.cold (kernel/sched/core.c:9234) [ 190.027907][ T5743] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 190.027911][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.027913][ T5743] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 190.027916][ T5743] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 190.027919][ T5743] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 190.027924][ T5743] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 190.027926][ T5743] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 190.027929][ T5743] put_chars (drivers/char/virtio_console.c:1176) [ 190.027930][ T5743] ? __send_to_port (drivers/char/virtio_console.c:654) [ 190.027932][ T5743] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 190.027934][ T5743] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 190.027936][ T5743] ? pointer (lib/vsprintf.c:2577) [ 190.027940][ T5743] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 190.027945][ T5743] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 190.027946][ T5743] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 190.027948][ T5743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 190.027951][ T5743] console_emit_next_record (kernel/printk/printk.c:3183) [ 190.027953][ T5743] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 190.027956][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.027957][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.027958][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.027959][ T5743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 190.027961][ T5743] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 190.027963][ T5743] console_flush_one_record (kernel/printk/printk.c:3268) [ 190.027965][ T5743] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 190.027968][ T5743] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 190.027970][ T5743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 190.027972][ T5743] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 190.027973][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.027974][ T5743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 190.027976][ T5743] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 190.027977][ T5743] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 190.027979][ T5743] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 190.027982][ T5743] ? vprintk_emit (kernel/printk/printk.c:2478) [ 190.027983][ T5743] vprintk_emit (kernel/printk/printk.c:2479) [ 190.027985][ T5743] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 190.027986][ T5743] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 190.027988][ T5743] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 190.027991][ T5743] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 190.027994][ T5743] _printk (kernel/printk/printk.c:2504) [ 190.027997][ T5743] ? snapshot_read.cold (user.c:?) [ 190.027999][ T5743] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 190.028001][ T5743] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 190.028005][ T5743] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 190.028007][ T5743] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 190.028010][ T5743] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 190.028013][ T5743] ? netdev_notice (net/core/dev.c:13194) [ 190.028015][ T5743] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 190.028017][ T5743] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 190.028019][ T5743] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 190.028021][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028022][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028024][ T5743] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 190.028025][ T5743] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 190.028027][ T5743] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 190.028029][ T5743] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 190.028030][ T5743] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 190.028032][ T5743] ? register_netdev (net/core/dev.c:11618) [ 190.028034][ T5743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 190.028036][ T5743] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 190.028039][ T5743] ? __kernel_text_address (kernel/extable.c:79) [ 190.028041][ T5743] ? write_profile (profile.c:?) [ 190.028045][ T5743] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 190.028048][ T5743] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 190.028050][ T5743] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 190.028052][ T5743] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 190.028053][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028054][ T5743] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 190.028058][ T5743] ? kasan_save_stack (mm/kasan/common.c:58) [ 190.028060][ T5743] ? kasan_save_stack (mm/kasan/common.c:57) [ 190.028061][ T5743] ? kasan_save_track (mm/kasan/common.c:78) [ 190.028062][ T5743] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 190.028064][ T5743] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 190.028065][ T5743] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 190.028066][ T5743] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 190.028068][ T5743] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 190.028070][ T5743] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 190.028072][ T5743] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 190.028074][ T5743] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 190.028077][ T5743] ? ____sys_sendmsg (net/socket.c:2713) [ 190.028079][ T5743] ? ___sys_sendmsg (net/socket.c:2767) [ 190.028080][ T5743] ? __sys_sendmsg (net/socket.c:2799) [ 190.028082][ T5743] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 190.028084][ T5743] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 190.028087][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028088][ T5743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 190.028090][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028091][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028092][ T5743] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 190.028094][ T5743] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 190.028095][ T5743] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 190.028096][ T5743] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 190.028098][ T5743] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 190.028099][ T5743] ? nla_get_range_signed (lib/nlattr.c:270) [ 190.028103][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028104][ T5743] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 190.028107][ T5743] rtnl_newlink (net/core/rtnetlink.c:4215) [ 190.028109][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028110][ T5743] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 190.028112][ T5743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 190.028113][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028115][ T5743] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 190.028117][ T5743] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 190.028118][ T5743] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 190.028120][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028121][ T5743] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 190.028125][ T5743] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 190.028127][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028128][ T5743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 190.028130][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028131][ T5743] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 190.028133][ T5743] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 190.028134][ T5743] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 190.028136][ T5743] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 190.028137][ T5743] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 190.028140][ T5743] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 190.028141][ T5743] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 190.028143][ T5743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 190.028144][ T5743] ? netlink_ack (./include/linux/skbuff.h:2718) [ 190.028146][ T5743] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 190.028149][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028150][ T5743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 190.028152][ T5743] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 190.028155][ T5743] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 190.028157][ T5743] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 190.028158][ T5743] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 190.028161][ T5743] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 190.028162][ T5743] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 190.028167][ T5743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 190.028169][ T5743] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 190.028172][ T5743] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 190.028174][ T5743] ____sys_sendmsg (net/socket.c:2713) [ 190.028176][ T5743] ? copy_msghdr_from_user (net/socket.c:2650) [ 190.028178][ T5743] ? sock_write_iter (net/socket.c:1269) [ 190.028179][ T5743] ? move_addr_to_kernel (net/socket.c:258) [ 190.028181][ T5743] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 190.028183][ T5743] ___sys_sendmsg (net/socket.c:2767) [ 190.028185][ T5743] ? copy_msghdr_from_user (net/socket.c:2619) [ 190.028190][ T5743] __sys_sendmsg (net/socket.c:2799) [ 190.028192][ T5743] ? __sys_sendmsg_sock (net/socket.c:2780) [ 190.028195][ T5743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 190.028197][ T5743] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 190.028198][ T5743] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 190.028200][ T5743] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 190.028202][ T5743] RIP: 0033:0x7faea939454e [ 190.028204][ T5743] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 190.028206][ T5743] RSP: 002b:00007ffe0c268a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 190.028210][ T5743] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faea939454e [ 190.028211][ T5743] RDX: 0000000000000000 RSI: 00007ffe0c268ad0 RDI: 0000000000000005 [ 190.028212][ T5743] RBP: 00007ffe0c268a30 R08: 0000000000000000 R09: 0000000000000000 [ 190.028213][ T5743] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139f7 [ 190.028214][ T5743] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0c269190 | [ 191.278727][ T5817] softirqs last disabled at (0): 0x0 | [ 191.278729][ T5817] Preemption disabled at: | [ 191.278730][ T5817] vprintk_emit (kernel/printk/printk.c:2471) | [ 191.278740][ T5817] Tainted: [W]=WARN [ 191.278741][ T5817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 191.278743][ T5817] Call Trace: [ 191.278744][ T5817] [ 191.278746][ T5817] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 191.278752][ T5817] ? vprintk_emit (kernel/printk/printk.c:2471) [ 191.278753][ T5817] __might_resched.cold (kernel/sched/core.c:9234) [ 191.278757][ T5817] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 191.278759][ T5817] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 191.278763][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278765][ T5817] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 191.278768][ T5817] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.278771][ T5817] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 191.278777][ T5817] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 191.278778][ T5817] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 191.278781][ T5817] put_chars (drivers/char/virtio_console.c:1176) [ 191.278783][ T5817] ? __send_to_port (drivers/char/virtio_console.c:654) [ 191.278785][ T5817] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 191.278788][ T5817] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 191.278793][ T5817] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 191.278794][ T5817] ? vsnprintf (lib/vsprintf.c:2900) [ 191.278798][ T5817] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.278800][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278801][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278803][ T5817] console_emit_next_record (kernel/printk/printk.c:3183) [ 191.278806][ T5817] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 191.278808][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278809][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278810][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278811][ T5817] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.278814][ T5817] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 191.278816][ T5817] console_flush_one_record (kernel/printk/printk.c:3268) [ 191.278819][ T5817] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 191.278821][ T5817] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 191.278823][ T5817] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.278825][ T5817] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 191.278827][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278828][ T5817] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.278830][ T5817] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 191.278831][ T5817] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 191.278833][ T5817] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 191.278835][ T5817] ? vprintk_emit (kernel/printk/printk.c:2478) [ 191.278836][ T5817] vprintk_emit (kernel/printk/printk.c:2479) [ 191.278838][ T5817] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 191.278839][ T5817] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.278841][ T5817] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 191.278844][ T5817] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.278846][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278847][ T5817] _printk (kernel/printk/printk.c:2504) [ 191.278851][ T5817] ? snapshot_read.cold (user.c:?) [ 191.278853][ T5817] ? br_multicast_flood (??:?) [ 191.278856][ T5817] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 191.278859][ T5817] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 191.278860][ T5817] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 191.278862][ T5817] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 191.278865][ T5817] br_init_port (net/bridge/br_stp_if.c:39) [ 191.278867][ T5817] new_nbp (net/bridge/br_if.c:449) [ 191.278869][ T5817] br_add_if (net/bridge/br_if.c:592) [ 191.278871][ T5817] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 191.278876][ T5817] do_set_master (net/core/rtnetlink.c:3071) [ 191.278878][ T5817] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 191.278880][ T5817] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 191.278881][ T5817] ? __dev_get_by_name (net/core/dev.c:905) [ 191.278883][ T5817] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 191.278887][ T5817] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 191.278890][ T5817] rtnl_newlink (net/core/rtnetlink.c:4215) [ 191.278892][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278894][ T5817] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 191.278895][ T5817] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.278897][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278898][ T5817] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 191.278901][ T5817] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 191.278903][ T5817] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 191.278906][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278907][ T5817] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.278909][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278910][ T5817] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 191.278911][ T5817] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 191.278913][ T5817] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 191.278915][ T5817] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 191.278916][ T5817] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 191.278920][ T5817] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 191.278923][ T5817] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 191.278925][ T5817] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.278926][ T5817] ? netlink_ack (./include/linux/skbuff.h:2718) [ 191.278928][ T5817] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 191.278931][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278933][ T5817] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.278935][ T5817] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 191.278937][ T5817] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 191.278939][ T5817] ? next_uptodate_folio (mm/filemap.c:3747) [ 191.278942][ T5817] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 191.278945][ T5817] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 191.278947][ T5817] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.278949][ T5817] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 191.278952][ T5817] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 191.278955][ T5817] ____sys_sendmsg (net/socket.c:2713) [ 191.278957][ T5817] ? copy_msghdr_from_user (net/socket.c:2650) [ 191.278959][ T5817] ? sock_write_iter (net/socket.c:1269) [ 191.278960][ T5817] ? move_addr_to_kernel (net/socket.c:258) [ 191.278963][ T5817] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 191.278965][ T5817] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.278967][ T5817] ___sys_sendmsg (net/socket.c:2767) [ 191.278969][ T5817] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 191.278971][ T5817] ? copy_msghdr_from_user (net/socket.c:2619) [ 191.278973][ T5817] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 191.278978][ T5817] __sys_sendmsg (net/socket.c:2799) [ 191.278980][ T5817] ? __sys_sendmsg_sock (net/socket.c:2780) [ 191.278983][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278984][ T5817] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.278986][ T5817] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 191.278988][ T5817] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 191.278990][ T5817] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 191.278993][ T5817] RIP: 0033:0x7f590ab4454e [ 191.278995][ T5817] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 191.278997][ T5817] RSP: 002b:00007ffd9cb81480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 191.279001][ T5817] RAX: ffffffffffffffda RBX: 00007ffd9cb81c48 RCX: 00007f590ab4454e [ 191.279002][ T5817] RDX: 0000000000000000 RSI: 00007ffd9cb81530 RDI: 0000000000000005 [ 191.279003][ T5817] RBP: 00007ffd9cb81490 R08: 0000000000000000 R09: 0000000000000000 [ 191.279004][ T5817] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139f8 [ 191.279005][ T5817] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9cb81c00 | [ 192.626811][ T5877] softirqs last disabled at (0): 0x0 | [ 192.626813][ T5877] Preemption disabled at: | [ 192.626814][ T5877] vprintk_emit (kernel/printk/printk.c:2471) | [ 192.626824][ T5877] Tainted: [W]=WARN [ 192.626825][ T5877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 192.626827][ T5877] Call Trace: [ 192.626829][ T5877] [ 192.626831][ T5877] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 192.626837][ T5877] ? vprintk_emit (kernel/printk/printk.c:2471) [ 192.626838][ T5877] __might_resched.cold (kernel/sched/core.c:9234) [ 192.626842][ T5877] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 192.626845][ T5877] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 192.626848][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626851][ T5877] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 192.626854][ T5877] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.626857][ T5877] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.626862][ T5877] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 192.626864][ T5877] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.626867][ T5877] put_chars (drivers/char/virtio_console.c:1176) [ 192.626869][ T5877] ? __send_to_port (drivers/char/virtio_console.c:654) [ 192.626871][ T5877] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 192.626874][ T5877] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 192.626878][ T5877] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 192.626880][ T5877] ? vsnprintf (lib/vsprintf.c:2900) [ 192.626884][ T5877] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.626886][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626887][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626889][ T5877] console_emit_next_record (kernel/printk/printk.c:3183) [ 192.626892][ T5877] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 192.626894][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626895][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626896][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626897][ T5877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.626900][ T5877] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 192.626902][ T5877] console_flush_one_record (kernel/printk/printk.c:3268) [ 192.626905][ T5877] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 192.626908][ T5877] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 192.626910][ T5877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.626911][ T5877] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 192.626913][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626914][ T5877] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 192.626916][ T5877] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 192.626918][ T5877] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 192.626919][ T5877] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 192.626922][ T5877] ? vprintk_emit (kernel/printk/printk.c:2478) [ 192.626923][ T5877] vprintk_emit (kernel/printk/printk.c:2479) [ 192.626925][ T5877] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 192.626926][ T5877] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.626928][ T5877] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 192.626931][ T5877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.626933][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626934][ T5877] _printk (kernel/printk/printk.c:2504) [ 192.626937][ T5877] ? snapshot_read.cold (user.c:?) [ 192.626940][ T5877] ? br_multicast_flood (??:?) [ 192.626943][ T5877] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 192.626946][ T5877] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 192.626947][ T5877] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 192.626949][ T5877] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 192.626952][ T5877] br_init_port (net/bridge/br_stp_if.c:39) [ 192.626954][ T5877] new_nbp (net/bridge/br_if.c:449) [ 192.626956][ T5877] br_add_if (net/bridge/br_if.c:592) [ 192.626958][ T5877] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 192.626962][ T5877] do_set_master (net/core/rtnetlink.c:3071) [ 192.626964][ T5877] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 192.626966][ T5877] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 192.626968][ T5877] ? __dev_get_by_name (net/core/dev.c:905) [ 192.626970][ T5877] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 192.626974][ T5877] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 192.626977][ T5877] rtnl_newlink (net/core/rtnetlink.c:4215) [ 192.626979][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626980][ T5877] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 192.626982][ T5877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.626984][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626985][ T5877] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 192.626988][ T5877] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 192.626990][ T5877] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 192.626992][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626994][ T5877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.626995][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.626997][ T5877] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 192.626998][ T5877] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 192.627000][ T5877] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 192.627002][ T5877] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 192.627003][ T5877] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 192.627007][ T5877] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 192.627011][ T5877] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 192.627012][ T5877] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 192.627014][ T5877] ? netlink_ack (./include/linux/skbuff.h:2718) [ 192.627016][ T5877] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 192.627019][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.627020][ T5877] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 192.627022][ T5877] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 192.627025][ T5877] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 192.627027][ T5877] ? next_uptodate_folio (mm/filemap.c:3747) [ 192.627030][ T5877] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 192.627032][ T5877] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 192.627034][ T5877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.627036][ T5877] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 192.627039][ T5877] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 192.627043][ T5877] ____sys_sendmsg (net/socket.c:2713) [ 192.627045][ T5877] ? copy_msghdr_from_user (net/socket.c:2650) [ 192.627046][ T5877] ? sock_write_iter (net/socket.c:1269) [ 192.627048][ T5877] ? move_addr_to_kernel (net/socket.c:258) [ 192.627051][ T5877] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 192.627053][ T5877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.627055][ T5877] ___sys_sendmsg (net/socket.c:2767) [ 192.627057][ T5877] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 192.627059][ T5877] ? copy_msghdr_from_user (net/socket.c:2619) [ 192.627061][ T5877] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 192.627066][ T5877] __sys_sendmsg (net/socket.c:2799) [ 192.627068][ T5877] ? __sys_sendmsg_sock (net/socket.c:2780) [ 192.627071][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.627072][ T5877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.627074][ T5877] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 192.627076][ T5877] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 192.627078][ T5877] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 192.627081][ T5877] RIP: 0033:0x7fd242d0354e [ 192.627083][ T5877] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 192.627085][ T5877] RSP: 002b:00007ffc72f45b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 192.627089][ T5877] RAX: ffffffffffffffda RBX: 00007ffc72f462d8 RCX: 00007fd242d0354e [ 192.627090][ T5877] RDX: 0000000000000000 RSI: 00007ffc72f45bc0 RDI: 0000000000000005 [ 192.627091][ T5877] RBP: 00007ffc72f45b20 R08: 0000000000000000 R09: 0000000000000000 [ 192.627092][ T5877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139f9 [ 192.627093][ T5877] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc72f46290 | [ 288.960640][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 288.960642][ T12] Preemption disabled at: | [ 288.960643][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 288.960654][ T12] Tainted: [W]=WARN [ 288.960655][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 288.960657][ T12] Workqueue: netns cleanup_net [ 288.960663][ T12] Call Trace: [ 288.960664][ T12] [ 288.960666][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 288.960671][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 288.960673][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 288.960676][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 288.960678][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 288.960682][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960684][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 288.960687][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 288.960690][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 288.960695][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 288.960696][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 288.960699][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 288.960701][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 288.960703][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 288.960705][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 288.960710][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 288.960712][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 288.960715][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 288.960716][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960717][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960719][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 288.960722][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 288.960724][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960725][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960726][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960727][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 288.960729][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 288.960731][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 288.960733][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 288.960736][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 288.960738][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 288.960740][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 288.960741][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960742][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 288.960744][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 288.960745][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 288.960747][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 288.960749][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 288.960750][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 288.960752][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 288.960753][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 288.960755][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 288.960758][ T12] ? kthread (kernel/kthread.c:436) [ 288.960760][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 288.960763][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 288.960765][ T12] _printk (kernel/printk/printk.c:2504) [ 288.960768][ T12] ? snapshot_read.cold (user.c:?) [ 288.960771][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 288.960774][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 288.960776][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 288.960778][ T12] ? netdev_notice (net/core/dev.c:13194) [ 288.960781][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960782][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 288.960783][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 288.960786][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 288.960788][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 288.960789][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 288.960792][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 288.960794][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 288.960798][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 288.960800][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 288.960803][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 288.960805][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 288.960807][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 288.960810][ T12] cleanup_net (net/core/net_namespace.c:706) [ 288.960812][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 288.960813][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960815][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 288.960816][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.960818][ T12] process_one_work (kernel/workqueue.c:3387) [ 288.960821][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 288.960823][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 288.960825][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 288.960827][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 288.960830][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 288.960832][ T12] kthread (kernel/kthread.c:436) [ 288.960840][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 288.960841][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 288.960843][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 288.960845][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 288.960847][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 288.960850][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 288.960852][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 291.178701][ T6550] softirqs last disabled at (0): 0x0 | [ 291.178703][ T6550] Preemption disabled at: | [ 291.178704][ T6550] vprintk_emit (kernel/printk/printk.c:2471) | [ 291.178714][ T6550] Tainted: [W]=WARN [ 291.178715][ T6550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 291.178717][ T6550] Call Trace: [ 291.178718][ T6550] [ 291.178720][ T6550] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 291.178725][ T6550] ? vprintk_emit (kernel/printk/printk.c:2471) [ 291.178727][ T6550] __might_resched.cold (kernel/sched/core.c:9234) [ 291.178731][ T6550] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 291.178734][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178737][ T6550] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 291.178740][ T6550] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.178743][ T6550] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 291.178748][ T6550] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 291.178750][ T6550] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 291.178752][ T6550] put_chars (drivers/char/virtio_console.c:1176) [ 291.178754][ T6550] ? __send_to_port (drivers/char/virtio_console.c:654) [ 291.178755][ T6550] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 291.178757][ T6550] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 291.178759][ T6550] ? pointer (lib/vsprintf.c:2577) [ 291.178763][ T6550] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 291.178768][ T6550] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 291.178769][ T6550] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.178771][ T6550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.178774][ T6550] console_emit_next_record (kernel/printk/printk.c:3183) [ 291.178776][ T6550] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 291.178778][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178779][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178780][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178781][ T6550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.178783][ T6550] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 291.178785][ T6550] console_flush_one_record (kernel/printk/printk.c:3268) [ 291.178788][ T6550] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 291.178791][ T6550] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 291.178792][ T6550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.178794][ T6550] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 291.178796][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178797][ T6550] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.178798][ T6550] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 291.178800][ T6550] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 291.178801][ T6550] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 291.178804][ T6550] ? vprintk_emit (kernel/printk/printk.c:2478) [ 291.178805][ T6550] vprintk_emit (kernel/printk/printk.c:2479) [ 291.178807][ T6550] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 291.178808][ T6550] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 291.178811][ T6550] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 291.178813][ T6550] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 291.178816][ T6550] _printk (kernel/printk/printk.c:2504) [ 291.178819][ T6550] ? snapshot_read.cold (user.c:?) [ 291.178821][ T6550] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 291.178823][ T6550] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 291.178826][ T6550] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 291.178828][ T6550] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 291.178831][ T6550] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 291.178834][ T6550] ? netdev_notice (net/core/dev.c:13194) [ 291.178836][ T6550] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 291.178838][ T6550] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 291.178841][ T6550] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.178848][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178849][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178851][ T6550] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 291.178852][ T6550] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 291.178854][ T6550] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 291.178855][ T6550] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 291.178857][ T6550] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 291.178858][ T6550] ? register_netdev (net/core/dev.c:11618) [ 291.178860][ T6550] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.178862][ T6550] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 291.178865][ T6550] ? __kernel_text_address (kernel/extable.c:79) [ 291.178867][ T6550] ? write_profile (profile.c:?) [ 291.178870][ T6550] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 291.178874][ T6550] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 291.178876][ T6550] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 291.178877][ T6550] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 291.178878][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178880][ T6550] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 291.178883][ T6550] ? kasan_save_stack (mm/kasan/common.c:58) [ 291.178885][ T6550] ? kasan_save_stack (mm/kasan/common.c:57) [ 291.178886][ T6550] ? kasan_save_track (mm/kasan/common.c:78) [ 291.178887][ T6550] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 291.178888][ T6550] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 291.178890][ T6550] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 291.178891][ T6550] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 291.178892][ T6550] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 291.178895][ T6550] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 291.178896][ T6550] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 291.178898][ T6550] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 291.178901][ T6550] ? ____sys_sendmsg (net/socket.c:2713) [ 291.178902][ T6550] ? ___sys_sendmsg (net/socket.c:2767) [ 291.178904][ T6550] ? __sys_sendmsg (net/socket.c:2799) [ 291.178906][ T6550] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 291.178908][ T6550] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 291.178910][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178912][ T6550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.178913][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178914][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178915][ T6550] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 291.178917][ T6550] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 291.178918][ T6550] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 291.178919][ T6550] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 291.178921][ T6550] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 291.178922][ T6550] ? nla_get_range_signed (lib/nlattr.c:270) [ 291.178925][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178926][ T6550] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 291.178928][ T6550] rtnl_newlink (net/core/rtnetlink.c:4215) [ 291.178930][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178932][ T6550] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 291.178933][ T6550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.178934][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178936][ T6550] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 291.178938][ T6550] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 291.178939][ T6550] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 291.178941][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178942][ T6550] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 291.178945][ T6550] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 291.178947][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178948][ T6550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.178950][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178951][ T6550] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 291.178952][ T6550] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 291.178954][ T6550] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 291.178955][ T6550] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 291.178957][ T6550] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 291.178959][ T6550] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 291.178961][ T6550] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 291.178962][ T6550] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.178964][ T6550] ? netlink_ack (./include/linux/skbuff.h:2718) [ 291.178966][ T6550] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 291.178969][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.178970][ T6550] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.178972][ T6550] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 291.178974][ T6550] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 291.178976][ T6550] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 291.178978][ T6550] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 291.178980][ T6550] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 291.178982][ T6550] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 291.178984][ T6550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.178985][ T6550] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 291.178988][ T6550] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 291.178990][ T6550] ____sys_sendmsg (net/socket.c:2713) [ 291.178992][ T6550] ? copy_msghdr_from_user (net/socket.c:2650) [ 291.178994][ T6550] ? sock_write_iter (net/socket.c:1269) [ 291.178995][ T6550] ? move_addr_to_kernel (net/socket.c:258) [ 291.178997][ T6550] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 291.178999][ T6550] ___sys_sendmsg (net/socket.c:2767) [ 291.179001][ T6550] ? copy_msghdr_from_user (net/socket.c:2619) [ 291.179006][ T6550] __sys_sendmsg (net/socket.c:2799) [ 291.179008][ T6550] ? __sys_sendmsg_sock (net/socket.c:2780) [ 291.179011][ T6550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.179012][ T6550] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 291.179014][ T6550] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 291.179016][ T6550] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 291.179018][ T6550] RIP: 0033:0x7f5b0ce2054e [ 291.179020][ T6550] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 291.179021][ T6550] RSP: 002b:00007ffe37bfd380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 291.179025][ T6550] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5b0ce2054e [ 291.179027][ T6550] RDX: 0000000000000000 RSI: 00007ffe37bfd430 RDI: 0000000000000005 [ 291.179028][ T6550] RBP: 00007ffe37bfd390 R08: 0000000000000000 R09: 0000000000000000 [ 291.179029][ T6550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913a5c [ 291.179030][ T6550] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe37bfdaf0 | [ 292.339976][ T6624] softirqs last disabled at (0): 0x0 | [ 292.339978][ T6624] Preemption disabled at: | [ 292.339979][ T6624] vprintk_emit (kernel/printk/printk.c:2471) | [ 292.339989][ T6624] Tainted: [W]=WARN [ 292.339990][ T6624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 292.339992][ T6624] Call Trace: [ 292.339993][ T6624] [ 292.339995][ T6624] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 292.340000][ T6624] ? vprintk_emit (kernel/printk/printk.c:2471) [ 292.340002][ T6624] __might_resched.cold (kernel/sched/core.c:9234) [ 292.340006][ T6624] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 292.340008][ T6624] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 292.340011][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340014][ T6624] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 292.340017][ T6624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 292.340020][ T6624] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 292.340025][ T6624] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 292.340027][ T6624] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 292.340030][ T6624] put_chars (drivers/char/virtio_console.c:1176) [ 292.340032][ T6624] ? __send_to_port (drivers/char/virtio_console.c:654) [ 292.340033][ T6624] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 292.340036][ T6624] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 292.340041][ T6624] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 292.340043][ T6624] ? vsnprintf (lib/vsprintf.c:2900) [ 292.340046][ T6624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 292.340048][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340049][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340051][ T6624] console_emit_next_record (kernel/printk/printk.c:3183) [ 292.340054][ T6624] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 292.340056][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340057][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340058][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340059][ T6624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.340062][ T6624] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 292.340064][ T6624] console_flush_one_record (kernel/printk/printk.c:3268) [ 292.340066][ T6624] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 292.340069][ T6624] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 292.340071][ T6624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.340073][ T6624] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 292.340074][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340075][ T6624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 292.340077][ T6624] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 292.340079][ T6624] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 292.340080][ T6624] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 292.340082][ T6624] ? vprintk_emit (kernel/printk/printk.c:2478) [ 292.340084][ T6624] vprintk_emit (kernel/printk/printk.c:2479) [ 292.340086][ T6624] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 292.340087][ T6624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 292.340089][ T6624] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 292.340092][ T6624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.340093][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340095][ T6624] _printk (kernel/printk/printk.c:2504) [ 292.340098][ T6624] ? snapshot_read.cold (user.c:?) [ 292.340100][ T6624] ? br_multicast_flood (??:?) [ 292.340104][ T6624] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 292.340106][ T6624] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 292.340107][ T6624] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 292.340109][ T6624] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 292.340112][ T6624] br_init_port (net/bridge/br_stp_if.c:39) [ 292.340114][ T6624] new_nbp (net/bridge/br_if.c:449) [ 292.340116][ T6624] br_add_if (net/bridge/br_if.c:592) [ 292.340118][ T6624] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 292.340122][ T6624] do_set_master (net/core/rtnetlink.c:3071) [ 292.340124][ T6624] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 292.340126][ T6624] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 292.340127][ T6624] ? __dev_get_by_name (net/core/dev.c:905) [ 292.340129][ T6624] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 292.340133][ T6624] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 292.340136][ T6624] rtnl_newlink (net/core/rtnetlink.c:4215) [ 292.340138][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340139][ T6624] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 292.340141][ T6624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.340142][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340144][ T6624] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 292.340146][ T6624] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 292.340148][ T6624] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 292.340151][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340152][ T6624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.340153][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340155][ T6624] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 292.340156][ T6624] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 292.340158][ T6624] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 292.340160][ T6624] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 292.340161][ T6624] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 292.340168][ T6624] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 292.340170][ T6624] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 292.340172][ T6624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 292.340174][ T6624] ? netlink_ack (./include/linux/skbuff.h:2718) [ 292.340175][ T6624] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 292.340179][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340180][ T6624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 292.340182][ T6624] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 292.340184][ T6624] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 292.340186][ T6624] ? next_uptodate_folio (mm/filemap.c:3747) [ 292.340190][ T6624] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 292.340192][ T6624] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 292.340194][ T6624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.340196][ T6624] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 292.340199][ T6624] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 292.340203][ T6624] ____sys_sendmsg (net/socket.c:2713) [ 292.340204][ T6624] ? copy_msghdr_from_user (net/socket.c:2650) [ 292.340206][ T6624] ? sock_write_iter (net/socket.c:1269) [ 292.340208][ T6624] ? move_addr_to_kernel (net/socket.c:258) [ 292.340210][ T6624] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 292.340213][ T6624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.340215][ T6624] ___sys_sendmsg (net/socket.c:2767) [ 292.340216][ T6624] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 292.340218][ T6624] ? copy_msghdr_from_user (net/socket.c:2619) [ 292.340220][ T6624] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 292.340225][ T6624] __sys_sendmsg (net/socket.c:2799) [ 292.340227][ T6624] ? __sys_sendmsg_sock (net/socket.c:2780) [ 292.340230][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340231][ T6624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.340233][ T6624] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 292.340235][ T6624] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 292.340237][ T6624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 292.340239][ T6624] RIP: 0033:0x7f3e63bb354e [ 292.340242][ T6624] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 292.340244][ T6624] RSP: 002b:00007ffc98ddfcd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 292.340247][ T6624] RAX: ffffffffffffffda RBX: 00007ffc98de0498 RCX: 00007f3e63bb354e [ 292.340249][ T6624] RDX: 0000000000000000 RSI: 00007ffc98ddfd80 RDI: 0000000000000005 [ 292.340250][ T6624] RBP: 00007ffc98ddfce0 R08: 0000000000000000 R09: 0000000000000000 [ 292.340250][ T6624] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913a5d [ 292.340251][ T6624] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc98de0450 | [ 293.557502][ T6690] softirqs last disabled at (0): 0x0 | [ 293.557504][ T6690] Preemption disabled at: | [ 293.557505][ T6690] vprintk_emit (kernel/printk/printk.c:2471) | [ 293.557516][ T6690] Tainted: [W]=WARN [ 293.557517][ T6690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 293.557519][ T6690] Call Trace: [ 293.557521][ T6690] [ 293.557522][ T6690] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 293.557528][ T6690] ? vprintk_emit (kernel/printk/printk.c:2471) [ 293.557529][ T6690] __might_resched.cold (kernel/sched/core.c:9234) [ 293.557533][ T6690] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 293.557535][ T6690] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 293.557539][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557542][ T6690] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 293.557545][ T6690] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 293.557548][ T6690] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 293.557553][ T6690] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 293.557555][ T6690] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 293.557558][ T6690] put_chars (drivers/char/virtio_console.c:1176) [ 293.557560][ T6690] ? __send_to_port (drivers/char/virtio_console.c:654) [ 293.557562][ T6690] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 293.557564][ T6690] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 293.557569][ T6690] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 293.557571][ T6690] ? vsnprintf (lib/vsprintf.c:2900) [ 293.557574][ T6690] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 293.557576][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557578][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557579][ T6690] console_emit_next_record (kernel/printk/printk.c:3183) [ 293.557582][ T6690] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 293.557585][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557586][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557587][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557588][ T6690] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 293.557590][ T6690] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 293.557592][ T6690] console_flush_one_record (kernel/printk/printk.c:3268) [ 293.557595][ T6690] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 293.557598][ T6690] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 293.557600][ T6690] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 293.557601][ T6690] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 293.557603][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557604][ T6690] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 293.557606][ T6690] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 293.557608][ T6690] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 293.557609][ T6690] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 293.557611][ T6690] ? vprintk_emit (kernel/printk/printk.c:2478) [ 293.557613][ T6690] vprintk_emit (kernel/printk/printk.c:2479) [ 293.557615][ T6690] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 293.557616][ T6690] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 293.557618][ T6690] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 293.557621][ T6690] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 293.557622][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557624][ T6690] _printk (kernel/printk/printk.c:2504) [ 293.557627][ T6690] ? snapshot_read.cold (user.c:?) [ 293.557629][ T6690] ? br_multicast_flood (??:?) [ 293.557633][ T6690] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 293.557636][ T6690] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 293.557637][ T6690] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 293.557639][ T6690] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 293.557642][ T6690] br_init_port (net/bridge/br_stp_if.c:39) [ 293.557644][ T6690] new_nbp (net/bridge/br_if.c:449) [ 293.557646][ T6690] br_add_if (net/bridge/br_if.c:592) [ 293.557648][ T6690] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 293.557653][ T6690] do_set_master (net/core/rtnetlink.c:3071) [ 293.557655][ T6690] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 293.557657][ T6690] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 293.557658][ T6690] ? __dev_get_by_name (net/core/dev.c:905) [ 293.557660][ T6690] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 293.557664][ T6690] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 293.557667][ T6690] rtnl_newlink (net/core/rtnetlink.c:4215) [ 293.557669][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557671][ T6690] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 293.557672][ T6690] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 293.557674][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557675][ T6690] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 293.557678][ T6690] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 293.557680][ T6690] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 293.557682][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557684][ T6690] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 293.557685][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557687][ T6690] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 293.557688][ T6690] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 293.557690][ T6690] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 293.557692][ T6690] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 293.557693][ T6690] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 293.557697][ T6690] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 293.557700][ T6690] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 293.557702][ T6690] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 293.557703][ T6690] ? netlink_ack (./include/linux/skbuff.h:2718) [ 293.557705][ T6690] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 293.557709][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557710][ T6690] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 293.557712][ T6690] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 293.557714][ T6690] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 293.557716][ T6690] ? next_uptodate_folio (mm/filemap.c:3747) [ 293.557720][ T6690] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 293.557722][ T6690] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 293.557724][ T6690] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 293.557726][ T6690] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 293.557729][ T6690] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 293.557732][ T6690] ____sys_sendmsg (net/socket.c:2713) [ 293.557734][ T6690] ? copy_msghdr_from_user (net/socket.c:2650) [ 293.557736][ T6690] ? sock_write_iter (net/socket.c:1269) [ 293.557738][ T6690] ? move_addr_to_kernel (net/socket.c:258) [ 293.557740][ T6690] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 293.557742][ T6690] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 293.557744][ T6690] ___sys_sendmsg (net/socket.c:2767) [ 293.557746][ T6690] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 293.557748][ T6690] ? copy_msghdr_from_user (net/socket.c:2619) [ 293.557750][ T6690] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 293.557755][ T6690] __sys_sendmsg (net/socket.c:2799) [ 293.557757][ T6690] ? __sys_sendmsg_sock (net/socket.c:2780) [ 293.557760][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557761][ T6690] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 293.557763][ T6690] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 293.557765][ T6690] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 293.557768][ T6690] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 293.557770][ T6690] RIP: 0033:0x7f7302ffd54e [ 293.557772][ T6690] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 293.557774][ T6690] RSP: 002b:00007ffd4cb7ad10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 293.557778][ T6690] RAX: ffffffffffffffda RBX: 00007ffd4cb7b4d8 RCX: 00007f7302ffd54e [ 293.557779][ T6690] RDX: 0000000000000000 RSI: 00007ffd4cb7adc0 RDI: 0000000000000005 [ 293.557780][ T6690] RBP: 00007ffd4cb7ad20 R08: 0000000000000000 R09: 0000000000000000 [ 293.557781][ T6690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913a5e [ 293.557782][ T6690] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4cb7b490 | [ 306.919753][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 306.919755][ T12] Preemption disabled at: | [ 306.919756][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 306.919767][ T12] Tainted: [W]=WARN [ 306.919768][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 306.919770][ T12] Workqueue: netns cleanup_net [ 306.919775][ T12] Call Trace: [ 306.919777][ T12] [ 306.919779][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 306.919784][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 306.919785][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 306.919789][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 306.919791][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 306.919794][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919797][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 306.919800][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.919803][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 306.919808][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 306.919810][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 306.919812][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 306.919814][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 306.919816][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 306.919818][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 306.919823][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 306.919825][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 306.919827][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.919829][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919830][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919832][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 306.919835][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 306.919837][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919838][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919839][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919840][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.919842][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 306.919844][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 306.919846][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 306.919849][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 306.919851][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.919852][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 306.919854][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919855][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 306.919857][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 306.919858][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 306.919860][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 306.919862][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 306.919863][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 306.919865][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 306.919866][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 306.919868][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 306.919870][ T12] ? kthread (kernel/kthread.c:436) [ 306.919873][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 306.919876][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 306.919878][ T12] _printk (kernel/printk/printk.c:2504) [ 306.919881][ T12] ? snapshot_read.cold (user.c:?) [ 306.919883][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 306.919887][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 306.919889][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 306.919891][ T12] ? netdev_notice (net/core/dev.c:13194) [ 306.919893][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919894][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 306.919896][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 306.919908][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 306.919909][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 306.919911][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 306.919913][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 306.919916][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 306.919920][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 306.919922][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 306.919925][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 306.919927][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 306.919929][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 306.919932][ T12] cleanup_net (net/core/net_namespace.c:706) [ 306.919933][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 306.919935][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.919937][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.919939][ T12] process_one_work (kernel/workqueue.c:3387) [ 306.919942][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 306.919944][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 306.919946][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.919948][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 306.919951][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 306.919953][ T12] kthread (kernel/kthread.c:436) [ 306.919955][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 306.919957][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 306.919958][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 306.919960][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 306.919962][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 306.919965][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 306.919967][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 308.659027][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 308.659030][ T12] Preemption disabled at: | [ 308.659030][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 308.659041][ T12] Tainted: [W]=WARN [ 308.659042][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 308.659044][ T12] Workqueue: netns cleanup_net [ 308.659050][ T12] Call Trace: [ 308.659051][ T12] [ 308.659053][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 308.659058][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 308.659060][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 308.659064][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 308.659066][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 308.659069][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659072][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 308.659075][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 308.659078][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 308.659083][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 308.659085][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 308.659087][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 308.659089][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 308.659091][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 308.659093][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 308.659098][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 308.659100][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 308.659102][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 308.659104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659105][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659106][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 308.659109][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 308.659111][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659112][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659113][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659114][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.659117][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 308.659119][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 308.659121][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 308.659124][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 308.659126][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.659127][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 308.659129][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659130][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 308.659132][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 308.659133][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 308.659135][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 308.659137][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 308.659138][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 308.659140][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 308.659141][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 308.659143][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 308.659146][ T12] ? kthread (kernel/kthread.c:436) [ 308.659148][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 308.659151][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 308.659154][ T12] _printk (kernel/printk/printk.c:2504) [ 308.659157][ T12] ? snapshot_read.cold (user.c:?) [ 308.659159][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 308.659166][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 308.659168][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 308.659170][ T12] ? netdev_notice (net/core/dev.c:13194) [ 308.659172][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659174][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 308.659175][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 308.659178][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 308.659179][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 308.659181][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 308.659183][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 308.659186][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 308.659189][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 308.659192][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 308.659194][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 308.659196][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 308.659198][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 308.659201][ T12] cleanup_net (net/core/net_namespace.c:706) [ 308.659203][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 308.659204][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 308.659207][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.659209][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.659211][ T12] process_one_work (kernel/workqueue.c:3387) [ 308.659214][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 308.659216][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 308.659218][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 308.659220][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 308.659223][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 308.659225][ T12] kthread (kernel/kthread.c:436) [ 308.659227][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 308.659228][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 308.659230][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 308.659232][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 308.659234][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 308.659237][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 308.659239][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 310.082804][ T7131] softirqs last disabled at (0): 0x0 | [ 310.082806][ T7131] Preemption disabled at: | [ 310.082807][ T7131] vprintk_emit (kernel/printk/printk.c:2471) | [ 310.082817][ T7131] Tainted: [W]=WARN [ 310.082818][ T7131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 310.082820][ T7131] Call Trace: [ 310.082821][ T7131] [ 310.082822][ T7131] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 310.082828][ T7131] ? vprintk_emit (kernel/printk/printk.c:2471) [ 310.082830][ T7131] __might_resched.cold (kernel/sched/core.c:9234) [ 310.082834][ T7131] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 310.082836][ T7131] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 310.082840][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082842][ T7131] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 310.082845][ T7131] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 310.082848][ T7131] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 310.082853][ T7131] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 310.082855][ T7131] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 310.082857][ T7131] put_chars (drivers/char/virtio_console.c:1176) [ 310.082859][ T7131] ? __send_to_port (drivers/char/virtio_console.c:654) [ 310.082861][ T7131] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 310.082864][ T7131] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 310.082868][ T7131] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 310.082870][ T7131] ? vsnprintf (lib/vsprintf.c:2900) [ 310.082873][ T7131] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 310.082875][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082876][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082878][ T7131] console_emit_next_record (kernel/printk/printk.c:3183) [ 310.082881][ T7131] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 310.082883][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082884][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082885][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082886][ T7131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.082888][ T7131] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 310.082890][ T7131] console_flush_one_record (kernel/printk/printk.c:3268) [ 310.082892][ T7131] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 310.082895][ T7131] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 310.082897][ T7131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.082899][ T7131] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 310.082900][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082901][ T7131] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 310.082903][ T7131] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 310.082904][ T7131] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 310.082906][ T7131] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 310.082908][ T7131] ? vprintk_emit (kernel/printk/printk.c:2478) [ 310.082914][ T7131] vprintk_emit (kernel/printk/printk.c:2479) [ 310.082916][ T7131] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 310.082917][ T7131] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 310.082919][ T7131] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 310.082922][ T7131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.082924][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082925][ T7131] _printk (kernel/printk/printk.c:2504) [ 310.082928][ T7131] ? snapshot_read.cold (user.c:?) [ 310.082930][ T7131] ? br_multicast_flood (??:?) [ 310.082934][ T7131] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 310.082937][ T7131] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 310.082938][ T7131] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 310.082940][ T7131] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 310.082943][ T7131] br_init_port (net/bridge/br_stp_if.c:39) [ 310.082944][ T7131] new_nbp (net/bridge/br_if.c:449) [ 310.082946][ T7131] br_add_if (net/bridge/br_if.c:592) [ 310.082948][ T7131] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 310.082952][ T7131] do_set_master (net/core/rtnetlink.c:3071) [ 310.082954][ T7131] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 310.082956][ T7131] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 310.082957][ T7131] ? __dev_get_by_name (net/core/dev.c:905) [ 310.082959][ T7131] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 310.082963][ T7131] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 310.082965][ T7131] rtnl_newlink (net/core/rtnetlink.c:4215) [ 310.082967][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082968][ T7131] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 310.082970][ T7131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.082971][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082973][ T7131] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 310.082975][ T7131] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 310.082977][ T7131] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 310.082979][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082981][ T7131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.082982][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.082983][ T7131] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 310.082985][ T7131] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 310.082986][ T7131] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 310.082988][ T7131] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 310.082989][ T7131] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 310.082993][ T7131] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 310.082996][ T7131] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 310.082997][ T7131] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 310.082999][ T7131] ? netlink_ack (./include/linux/skbuff.h:2718) [ 310.083000][ T7131] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 310.083003][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.083005][ T7131] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 310.083007][ T7131] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 310.083009][ T7131] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 310.083011][ T7131] ? next_uptodate_folio (mm/filemap.c:3747) [ 310.083014][ T7131] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 310.083016][ T7131] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 310.083018][ T7131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.083019][ T7131] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 310.083023][ T7131] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 310.083026][ T7131] ____sys_sendmsg (net/socket.c:2713) [ 310.083028][ T7131] ? copy_msghdr_from_user (net/socket.c:2650) [ 310.083029][ T7131] ? sock_write_iter (net/socket.c:1269) [ 310.083031][ T7131] ? move_addr_to_kernel (net/socket.c:258) [ 310.083033][ T7131] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 310.083036][ T7131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.083037][ T7131] ___sys_sendmsg (net/socket.c:2767) [ 310.083039][ T7131] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 310.083041][ T7131] ? copy_msghdr_from_user (net/socket.c:2619) [ 310.083043][ T7131] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 310.083047][ T7131] __sys_sendmsg (net/socket.c:2799) [ 310.083049][ T7131] ? __sys_sendmsg_sock (net/socket.c:2780) [ 310.083052][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.083053][ T7131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.083054][ T7131] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 310.083057][ T7131] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 310.083059][ T7131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 310.083061][ T7131] RIP: 0033:0x7fe98777954e [ 310.083063][ T7131] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 310.083065][ T7131] RSP: 002b:00007ffe88465bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 310.083069][ T7131] RAX: ffffffffffffffda RBX: 00007ffe88466398 RCX: 00007fe98777954e [ 310.083070][ T7131] RDX: 0000000000000000 RSI: 00007ffe88465c80 RDI: 0000000000000005 [ 310.083071][ T7131] RBP: 00007ffe88465be0 R08: 0000000000000000 R09: 0000000000000000 [ 310.083072][ T7131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913a6f [ 310.083073][ T7131] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe88466350 | [ 311.214070][ T7197] softirqs last disabled at (0): 0x0 | [ 311.214072][ T7197] Preemption disabled at: | [ 311.214073][ T7197] vprintk_emit (kernel/printk/printk.c:2471) | [ 311.214082][ T7197] Tainted: [W]=WARN [ 311.214083][ T7197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 311.214085][ T7197] Call Trace: [ 311.214087][ T7197] [ 311.214088][ T7197] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 311.214094][ T7197] ? vprintk_emit (kernel/printk/printk.c:2471) [ 311.214095][ T7197] __might_resched.cold (kernel/sched/core.c:9234) [ 311.214099][ T7197] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 311.214101][ T7197] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 311.214104][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214107][ T7197] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 311.214111][ T7197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 311.214113][ T7197] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 311.214119][ T7197] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 311.214120][ T7197] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 311.214123][ T7197] put_chars (drivers/char/virtio_console.c:1176) [ 311.214124][ T7197] ? __send_to_port (drivers/char/virtio_console.c:654) [ 311.214126][ T7197] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 311.214129][ T7197] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 311.214133][ T7197] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 311.214135][ T7197] ? vsnprintf (lib/vsprintf.c:2900) [ 311.214138][ T7197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 311.214140][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214141][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214143][ T7197] console_emit_next_record (kernel/printk/printk.c:3183) [ 311.214146][ T7197] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 311.214148][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214149][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214150][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214151][ T7197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 311.214153][ T7197] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 311.214155][ T7197] console_flush_one_record (kernel/printk/printk.c:3268) [ 311.214158][ T7197] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 311.214160][ T7197] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 311.214162][ T7197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 311.214165][ T7197] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 311.214167][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214168][ T7197] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 311.214170][ T7197] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 311.214171][ T7197] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 311.214173][ T7197] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 311.214175][ T7197] ? vprintk_emit (kernel/printk/printk.c:2478) [ 311.214177][ T7197] vprintk_emit (kernel/printk/printk.c:2479) [ 311.214178][ T7197] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 311.214179][ T7197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 311.214181][ T7197] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 311.214184][ T7197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 311.214186][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214187][ T7197] _printk (kernel/printk/printk.c:2504) [ 311.214190][ T7197] ? snapshot_read.cold (user.c:?) [ 311.214192][ T7197] ? br_multicast_flood (??:?) [ 311.214196][ T7197] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 311.214198][ T7197] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 311.214200][ T7197] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 311.214201][ T7197] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 311.214204][ T7197] br_init_port (net/bridge/br_stp_if.c:39) [ 311.214206][ T7197] new_nbp (net/bridge/br_if.c:449) [ 311.214208][ T7197] br_add_if (net/bridge/br_if.c:592) [ 311.214210][ T7197] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 311.214214][ T7197] do_set_master (net/core/rtnetlink.c:3071) [ 311.214216][ T7197] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 311.214218][ T7197] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 311.214219][ T7197] ? __dev_get_by_name (net/core/dev.c:905) [ 311.214221][ T7197] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 311.214225][ T7197] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 311.214227][ T7197] rtnl_newlink (net/core/rtnetlink.c:4215) [ 311.214229][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214231][ T7197] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 311.214232][ T7197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 311.214233][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214235][ T7197] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 311.214237][ T7197] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 311.214239][ T7197] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 311.214241][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214243][ T7197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 311.214244][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214245][ T7197] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 311.214247][ T7197] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 311.214249][ T7197] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 311.214250][ T7197] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 311.214252][ T7197] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 311.214255][ T7197] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 311.214259][ T7197] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 311.214260][ T7197] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 311.214262][ T7197] ? netlink_ack (./include/linux/skbuff.h:2718) [ 311.214263][ T7197] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 311.214266][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214267][ T7197] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 311.214269][ T7197] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 311.214272][ T7197] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 311.214274][ T7197] ? next_uptodate_folio (mm/filemap.c:3747) [ 311.214277][ T7197] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 311.214279][ T7197] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 311.214281][ T7197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 311.214282][ T7197] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 311.214286][ T7197] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 311.214289][ T7197] ____sys_sendmsg (net/socket.c:2713) [ 311.214291][ T7197] ? copy_msghdr_from_user (net/socket.c:2650) [ 311.214293][ T7197] ? sock_write_iter (net/socket.c:1269) [ 311.214294][ T7197] ? move_addr_to_kernel (net/socket.c:258) [ 311.214296][ T7197] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 311.214299][ T7197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 311.214301][ T7197] ___sys_sendmsg (net/socket.c:2767) [ 311.214302][ T7197] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 311.214304][ T7197] ? copy_msghdr_from_user (net/socket.c:2619) [ 311.214306][ T7197] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 311.214310][ T7197] __sys_sendmsg (net/socket.c:2799) [ 311.214312][ T7197] ? __sys_sendmsg_sock (net/socket.c:2780) [ 311.214315][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214316][ T7197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 311.214318][ T7197] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 311.214320][ T7197] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 311.214322][ T7197] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 311.214324][ T7197] RIP: 0033:0x7f276363a54e [ 311.214326][ T7197] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 311.214328][ T7197] RSP: 002b:00007ffed0ae2c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 311.214332][ T7197] RAX: ffffffffffffffda RBX: 00007ffed0ae33f8 RCX: 00007f276363a54e [ 311.214333][ T7197] RDX: 0000000000000000 RSI: 00007ffed0ae2ce0 RDI: 0000000000000005 [ 311.214334][ T7197] RBP: 00007ffed0ae2c40 R08: 0000000000000000 R09: 0000000000000000 [ 311.214335][ T7197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913a70 [ 311.214336][ T7197] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed0ae33b0 | [ 400.826005][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 400.826007][ T12] Preemption disabled at: | [ 400.826008][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 400.826018][ T12] Tainted: [W]=WARN [ 400.826019][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 400.826021][ T12] Workqueue: netns cleanup_net [ 400.826026][ T12] Call Trace: [ 400.826028][ T12] [ 400.826030][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 400.826035][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 400.826036][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 400.826040][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 400.826042][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 400.826045][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826048][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 400.826051][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 400.826054][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 400.826058][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 400.826060][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 400.826063][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 400.826064][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 400.826066][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 400.826068][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 400.826073][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 400.826075][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 400.826077][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 400.826079][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826080][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826082][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 400.826084][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 400.826086][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826087][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826088][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826089][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 400.826092][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 400.826094][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 400.826096][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 400.826099][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 400.826101][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 400.826103][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 400.826105][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826106][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 400.826107][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 400.826109][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 400.826110][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 400.826112][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 400.826114][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 400.826115][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 400.826117][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 400.826118][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 400.826121][ T12] ? kthread (kernel/kthread.c:436) [ 400.826123][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 400.826126][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 400.826129][ T12] _printk (kernel/printk/printk.c:2504) [ 400.826132][ T12] ? snapshot_read.cold (user.c:?) [ 400.826134][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 400.826138][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 400.826140][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 400.826142][ T12] ? netdev_notice (net/core/dev.c:13194) [ 400.826144][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826145][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 400.826147][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 400.826150][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 400.826151][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 400.826153][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 400.826155][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 400.826158][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 400.826167][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 400.826169][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 400.826172][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 400.826174][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 400.826176][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 400.826179][ T12] cleanup_net (net/core/net_namespace.c:706) [ 400.826181][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 400.826183][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 400.826184][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 400.826186][ T12] process_one_work (kernel/workqueue.c:3387) [ 400.826189][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 400.826191][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 400.826194][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 400.826196][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 400.826199][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 400.826201][ T12] kthread (kernel/kthread.c:436) [ 400.826203][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 400.826204][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 400.826206][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 400.826208][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 400.826210][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 400.826213][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 400.826214][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 402.563600][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 402.563602][ T12] Preemption disabled at: | [ 402.563603][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 402.563615][ T12] Tainted: [W]=WARN [ 402.563616][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 402.563618][ T12] Workqueue: netns cleanup_net [ 402.563624][ T12] Call Trace: [ 402.563625][ T12] [ 402.563627][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 402.563632][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 402.563634][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 402.563637][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 402.563639][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 402.563643][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563645][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 402.563648][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.563651][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 402.563656][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 402.563658][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 402.563660][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 402.563662][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 402.563664][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 402.563667][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 402.563672][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 402.563674][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 402.563676][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.563678][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563679][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563680][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 402.563683][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 402.563685][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563686][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563687][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563688][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.563691][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 402.563693][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 402.563695][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 402.563698][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 402.563700][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.563701][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 402.563703][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563704][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.563706][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 402.563707][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 402.563709][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 402.563711][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 402.563712][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 402.563714][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 402.563715][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 402.563717][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 402.563720][ T12] ? kthread (kernel/kthread.c:436) [ 402.563722][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 402.563725][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 402.563727][ T12] _printk (kernel/printk/printk.c:2504) [ 402.563730][ T12] ? snapshot_read.cold (user.c:?) [ 402.563733][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 402.563736][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 402.563738][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 402.563740][ T12] ? netdev_notice (net/core/dev.c:13194) [ 402.563742][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563743][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 402.563745][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 402.563748][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 402.563749][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 402.563751][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 402.563753][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 402.563756][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 402.563759][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 402.563762][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 402.563764][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 402.563766][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 402.563768][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 402.563771][ T12] cleanup_net (net/core/net_namespace.c:706) [ 402.563773][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 402.563774][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 402.563777][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.563779][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.563780][ T12] process_one_work (kernel/workqueue.c:3387) [ 402.563783][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 402.563785][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 402.563787][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.563790][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 402.563793][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 402.563795][ T12] kthread (kernel/kthread.c:436) [ 402.563796][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 402.563798][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 402.563800][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 402.563802][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 402.563804][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 402.563806][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 402.563808][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 404.036684][ T7948] softirqs last disabled at (0): 0x0 | [ 404.036686][ T7948] Preemption disabled at: | [ 404.036686][ T7948] vprintk_emit (kernel/printk/printk.c:2471) | [ 404.036696][ T7948] Tainted: [W]=WARN [ 404.036697][ T7948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 404.036699][ T7948] Call Trace: [ 404.036700][ T7948] [ 404.036701][ T7948] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 404.036707][ T7948] ? vprintk_emit (kernel/printk/printk.c:2471) [ 404.036709][ T7948] __might_resched.cold (kernel/sched/core.c:9234) [ 404.036712][ T7948] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 404.036715][ T7948] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 404.036718][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036721][ T7948] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 404.036723][ T7948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 404.036726][ T7948] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 404.036731][ T7948] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 404.036733][ T7948] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 404.036736][ T7948] put_chars (drivers/char/virtio_console.c:1176) [ 404.036737][ T7948] ? __send_to_port (drivers/char/virtio_console.c:654) [ 404.036739][ T7948] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 404.036742][ T7948] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 404.036746][ T7948] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 404.036748][ T7948] ? vsnprintf (lib/vsprintf.c:2900) [ 404.036751][ T7948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 404.036753][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036754][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036756][ T7948] console_emit_next_record (kernel/printk/printk.c:3183) [ 404.036759][ T7948] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 404.036761][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036762][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036763][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036764][ T7948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 404.036767][ T7948] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 404.036769][ T7948] console_flush_one_record (kernel/printk/printk.c:3268) [ 404.036771][ T7948] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 404.036774][ T7948] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 404.036776][ T7948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 404.036777][ T7948] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 404.036779][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036780][ T7948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 404.036781][ T7948] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 404.036783][ T7948] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 404.036784][ T7948] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 404.036787][ T7948] ? vprintk_emit (kernel/printk/printk.c:2478) [ 404.036788][ T7948] vprintk_emit (kernel/printk/printk.c:2479) [ 404.036790][ T7948] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 404.036791][ T7948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 404.036793][ T7948] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 404.036796][ T7948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 404.036797][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036799][ T7948] _printk (kernel/printk/printk.c:2504) [ 404.036802][ T7948] ? snapshot_read.cold (user.c:?) [ 404.036804][ T7948] ? br_multicast_flood (??:?) [ 404.036807][ T7948] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 404.036810][ T7948] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 404.036811][ T7948] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 404.036813][ T7948] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 404.036816][ T7948] br_init_port (net/bridge/br_stp_if.c:39) [ 404.036817][ T7948] new_nbp (net/bridge/br_if.c:449) [ 404.036819][ T7948] br_add_if (net/bridge/br_if.c:592) [ 404.036821][ T7948] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 404.036825][ T7948] do_set_master (net/core/rtnetlink.c:3071) [ 404.036827][ T7948] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 404.036829][ T7948] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 404.036830][ T7948] ? __dev_get_by_name (net/core/dev.c:905) [ 404.036832][ T7948] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 404.036836][ T7948] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 404.036838][ T7948] rtnl_newlink (net/core/rtnetlink.c:4215) [ 404.036840][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036841][ T7948] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 404.036843][ T7948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 404.036844][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036846][ T7948] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 404.036848][ T7948] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 404.036850][ T7948] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 404.036853][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036854][ T7948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 404.036856][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036857][ T7948] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 404.036858][ T7948] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 404.036860][ T7948] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 404.036861][ T7948] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 404.036863][ T7948] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 404.036867][ T7948] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 404.036870][ T7948] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 404.036871][ T7948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 404.036873][ T7948] ? netlink_ack (./include/linux/skbuff.h:2718) [ 404.036874][ T7948] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 404.036877][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036878][ T7948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 404.036880][ T7948] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 404.036883][ T7948] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 404.036885][ T7948] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 404.036887][ T7948] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 404.036890][ T7948] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 404.036892][ T7948] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 404.036894][ T7948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 404.036896][ T7948] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 404.036899][ T7948] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 404.036903][ T7948] ____sys_sendmsg (net/socket.c:2713) [ 404.036904][ T7948] ? copy_msghdr_from_user (net/socket.c:2650) [ 404.036906][ T7948] ? sock_write_iter (net/socket.c:1269) [ 404.036908][ T7948] ? move_addr_to_kernel (net/socket.c:258) [ 404.036910][ T7948] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 404.036913][ T7948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 404.036915][ T7948] ___sys_sendmsg (net/socket.c:2767) [ 404.036916][ T7948] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 404.036918][ T7948] ? copy_msghdr_from_user (net/socket.c:2619) [ 404.036920][ T7948] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 404.036924][ T7948] __sys_sendmsg (net/socket.c:2799) [ 404.036927][ T7948] ? __sys_sendmsg_sock (net/socket.c:2780) [ 404.036929][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036930][ T7948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 404.036932][ T7948] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 404.036934][ T7948] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 404.036936][ T7948] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 404.036938][ T7948] RIP: 0033:0x7fc3091ee54e [ 404.036940][ T7948] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 404.036942][ T7948] RSP: 002b:00007fff190072c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 404.036946][ T7948] RAX: ffffffffffffffda RBX: 00007fff19007a88 RCX: 00007fc3091ee54e [ 404.036947][ T7948] RDX: 0000000000000000 RSI: 00007fff19007370 RDI: 0000000000000005 [ 404.036948][ T7948] RBP: 00007fff190072d0 R08: 0000000000000000 R09: 0000000000000000 [ 404.036949][ T7948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913acd [ 404.036950][ T7948] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff19007a40 | [ 405.172648][ T8007] softirqs last disabled at (0): 0x0 | [ 405.172650][ T8007] Preemption disabled at: | [ 405.172651][ T8007] vprintk_emit (kernel/printk/printk.c:2471) | [ 405.172660][ T8007] Tainted: [W]=WARN [ 405.172661][ T8007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 405.172663][ T8007] Call Trace: [ 405.172665][ T8007] [ 405.172666][ T8007] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 405.172671][ T8007] ? vprintk_emit (kernel/printk/printk.c:2471) [ 405.172673][ T8007] __might_resched.cold (kernel/sched/core.c:9234) [ 405.172676][ T8007] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 405.172678][ T8007] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 405.172681][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172684][ T8007] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 405.172687][ T8007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 405.172690][ T8007] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 405.172695][ T8007] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 405.172697][ T8007] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 405.172699][ T8007] put_chars (drivers/char/virtio_console.c:1176) [ 405.172701][ T8007] ? __send_to_port (drivers/char/virtio_console.c:654) [ 405.172703][ T8007] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 405.172705][ T8007] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 405.172710][ T8007] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 405.172712][ T8007] ? vsnprintf (lib/vsprintf.c:2900) [ 405.172715][ T8007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 405.172716][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172717][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172719][ T8007] console_emit_next_record (kernel/printk/printk.c:3183) [ 405.172722][ T8007] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 405.172724][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172725][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172726][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172727][ T8007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 405.172730][ T8007] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 405.172731][ T8007] console_flush_one_record (kernel/printk/printk.c:3268) [ 405.172734][ T8007] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 405.172736][ T8007] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 405.172738][ T8007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 405.172740][ T8007] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 405.172742][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172743][ T8007] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 405.172744][ T8007] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 405.172746][ T8007] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 405.172747][ T8007] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 405.172749][ T8007] ? vprintk_emit (kernel/printk/printk.c:2478) [ 405.172751][ T8007] vprintk_emit (kernel/printk/printk.c:2479) [ 405.172752][ T8007] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 405.172754][ T8007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 405.172755][ T8007] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 405.172758][ T8007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 405.172760][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172761][ T8007] _printk (kernel/printk/printk.c:2504) [ 405.172764][ T8007] ? snapshot_read.cold (user.c:?) [ 405.172766][ T8007] ? br_multicast_flood (??:?) [ 405.172770][ T8007] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 405.172773][ T8007] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 405.172774][ T8007] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 405.172776][ T8007] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 405.172778][ T8007] br_init_port (net/bridge/br_stp_if.c:39) [ 405.172780][ T8007] new_nbp (net/bridge/br_if.c:449) [ 405.172782][ T8007] br_add_if (net/bridge/br_if.c:592) [ 405.172784][ T8007] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 405.172788][ T8007] do_set_master (net/core/rtnetlink.c:3071) [ 405.172790][ T8007] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 405.172792][ T8007] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 405.172793][ T8007] ? __dev_get_by_name (net/core/dev.c:905) [ 405.172795][ T8007] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 405.172799][ T8007] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 405.172801][ T8007] rtnl_newlink (net/core/rtnetlink.c:4215) [ 405.172803][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172804][ T8007] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 405.172806][ T8007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 405.172807][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172809][ T8007] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 405.172811][ T8007] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 405.172813][ T8007] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 405.172816][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172817][ T8007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 405.172818][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172820][ T8007] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 405.172821][ T8007] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 405.172823][ T8007] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 405.172824][ T8007] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 405.172826][ T8007] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 405.172829][ T8007] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 405.172832][ T8007] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 405.172834][ T8007] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 405.172836][ T8007] ? netlink_ack (./include/linux/skbuff.h:2718) [ 405.172837][ T8007] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 405.172840][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172841][ T8007] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 405.172843][ T8007] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 405.172846][ T8007] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 405.172848][ T8007] ? next_uptodate_folio (mm/filemap.c:3747) [ 405.172851][ T8007] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 405.172853][ T8007] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 405.172855][ T8007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 405.172856][ T8007] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 405.172860][ T8007] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 405.172863][ T8007] ____sys_sendmsg (net/socket.c:2713) [ 405.172865][ T8007] ? copy_msghdr_from_user (net/socket.c:2650) [ 405.172867][ T8007] ? sock_write_iter (net/socket.c:1269) [ 405.172868][ T8007] ? move_addr_to_kernel (net/socket.c:258) [ 405.172871][ T8007] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 405.172873][ T8007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 405.172875][ T8007] ___sys_sendmsg (net/socket.c:2767) [ 405.172877][ T8007] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 405.172879][ T8007] ? copy_msghdr_from_user (net/socket.c:2619) [ 405.172880][ T8007] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 405.172885][ T8007] __sys_sendmsg (net/socket.c:2799) [ 405.172887][ T8007] ? __sys_sendmsg_sock (net/socket.c:2780) [ 405.172889][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172891][ T8007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 405.172892][ T8007] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 405.172895][ T8007] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 405.172897][ T8007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 405.172899][ T8007] RIP: 0033:0x7fb2e950854e [ 405.172900][ T8007] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 405.172902][ T8007] RSP: 002b:00007ffdcf595790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 405.172906][ T8007] RAX: ffffffffffffffda RBX: 00007ffdcf595f58 RCX: 00007fb2e950854e [ 405.172907][ T8007] RDX: 0000000000000000 RSI: 00007ffdcf595840 RDI: 0000000000000005 [ 405.172908][ T8007] RBP: 00007ffdcf5957a0 R08: 0000000000000000 R09: 0000000000000000 [ 405.172909][ T8007] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ace [ 405.172910][ T8007] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcf595f10 | [ 412.752973][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 412.752975][ T12] Preemption disabled at: | [ 412.752976][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 412.752986][ T12] Tainted: [W]=WARN [ 412.752987][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 412.752989][ T12] Workqueue: netns cleanup_net [ 412.752995][ T12] Call Trace: [ 412.752997][ T12] [ 412.752999][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 412.753004][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 412.753005][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 412.753009][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 412.753011][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 412.753015][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753017][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 412.753020][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 412.753023][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 412.753027][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 412.753029][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 412.753032][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 412.753033][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 412.753035][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 412.753038][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 412.753042][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 412.753044][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 412.753047][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 412.753048][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753049][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753051][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 412.753054][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 412.753056][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753057][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753058][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753059][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.753062][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 412.753064][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 412.753066][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 412.753069][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 412.753071][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.753072][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 412.753074][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753075][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 412.753077][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 412.753078][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 412.753080][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 412.753082][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 412.753084][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 412.753085][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 412.753086][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 412.753088][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 412.753091][ T12] ? kthread (kernel/kthread.c:436) [ 412.753093][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 412.753096][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 412.753099][ T12] _printk (kernel/printk/printk.c:2504) [ 412.753101][ T12] ? snapshot_read.cold (user.c:?) [ 412.753104][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 412.753107][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 412.753109][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 412.753111][ T12] ? netdev_notice (net/core/dev.c:13194) [ 412.753113][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753115][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 412.753116][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 412.753119][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 412.753120][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 412.753122][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 412.753124][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 412.753127][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 412.753131][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 412.753133][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 412.753135][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 412.753137][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 412.753139][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 412.753142][ T12] cleanup_net (net/core/net_namespace.c:706) [ 412.753144][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 412.753146][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.753148][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.753149][ T12] process_one_work (kernel/workqueue.c:3387) [ 412.753152][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 412.753154][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 412.753156][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 412.753159][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 412.753161][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 412.753167][ T12] kthread (kernel/kthread.c:436) [ 412.753169][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 412.753171][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 412.753173][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 412.753175][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 412.753177][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 412.753180][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 412.753182][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 413.929945][ T8304] softirqs last disabled at (0): 0x0 | [ 413.929947][ T8304] Preemption disabled at: | [ 413.929948][ T8304] vprintk_emit (kernel/printk/printk.c:2471) | [ 413.929958][ T8304] Tainted: [W]=WARN [ 413.929959][ T8304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 413.929961][ T8304] Call Trace: [ 413.929962][ T8304] [ 413.929964][ T8304] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 413.929969][ T8304] ? vprintk_emit (kernel/printk/printk.c:2471) [ 413.929970][ T8304] __might_resched.cold (kernel/sched/core.c:9234) [ 413.929974][ T8304] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 413.929976][ T8304] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 413.929980][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.929982][ T8304] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 413.929985][ T8304] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 413.929988][ T8304] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 413.929993][ T8304] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 413.929995][ T8304] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 413.929997][ T8304] put_chars (drivers/char/virtio_console.c:1176) [ 413.929999][ T8304] ? __send_to_port (drivers/char/virtio_console.c:654) [ 413.930001][ T8304] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 413.930003][ T8304] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 413.930008][ T8304] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 413.930010][ T8304] ? vsnprintf (lib/vsprintf.c:2900) [ 413.930013][ T8304] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 413.930015][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930016][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930018][ T8304] console_emit_next_record (kernel/printk/printk.c:3183) [ 413.930021][ T8304] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 413.930023][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930024][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930025][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930026][ T8304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.930028][ T8304] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 413.930030][ T8304] console_flush_one_record (kernel/printk/printk.c:3268) [ 413.930032][ T8304] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 413.930035][ T8304] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 413.930037][ T8304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.930039][ T8304] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 413.930040][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930041][ T8304] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 413.930043][ T8304] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 413.930045][ T8304] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 413.930046][ T8304] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 413.930048][ T8304] ? vprintk_emit (kernel/printk/printk.c:2478) [ 413.930049][ T8304] vprintk_emit (kernel/printk/printk.c:2479) [ 413.930051][ T8304] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 413.930052][ T8304] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 413.930054][ T8304] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 413.930057][ T8304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.930058][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930060][ T8304] _printk (kernel/printk/printk.c:2504) [ 413.930063][ T8304] ? snapshot_read.cold (user.c:?) [ 413.930065][ T8304] ? br_multicast_flood (??:?) [ 413.930068][ T8304] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 413.930071][ T8304] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 413.930072][ T8304] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 413.930074][ T8304] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 413.930077][ T8304] br_init_port (net/bridge/br_stp_if.c:39) [ 413.930079][ T8304] new_nbp (net/bridge/br_if.c:449) [ 413.930081][ T8304] br_add_if (net/bridge/br_if.c:592) [ 413.930083][ T8304] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 413.930087][ T8304] do_set_master (net/core/rtnetlink.c:3071) [ 413.930089][ T8304] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 413.930090][ T8304] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 413.930092][ T8304] ? __dev_get_by_name (net/core/dev.c:905) [ 413.930094][ T8304] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 413.930097][ T8304] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 413.930100][ T8304] rtnl_newlink (net/core/rtnetlink.c:4215) [ 413.930102][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930103][ T8304] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 413.930104][ T8304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.930106][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930107][ T8304] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 413.930110][ T8304] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 413.930112][ T8304] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 413.930114][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930115][ T8304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.930117][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930118][ T8304] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 413.930119][ T8304] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 413.930121][ T8304] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 413.930122][ T8304] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 413.930124][ T8304] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 413.930127][ T8304] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 413.930130][ T8304] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 413.930132][ T8304] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 413.930135][ T8304] ? netlink_ack (./include/linux/skbuff.h:2718) [ 413.930137][ T8304] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 413.930140][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930141][ T8304] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 413.930143][ T8304] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 413.930145][ T8304] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 413.930148][ T8304] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 413.930150][ T8304] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 413.930153][ T8304] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 413.930155][ T8304] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 413.930157][ T8304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.930158][ T8304] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 413.930162][ T8304] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 413.930165][ T8304] ____sys_sendmsg (net/socket.c:2713) [ 413.930166][ T8304] ? copy_msghdr_from_user (net/socket.c:2650) [ 413.930168][ T8304] ? sock_write_iter (net/socket.c:1269) [ 413.930170][ T8304] ? move_addr_to_kernel (net/socket.c:258) [ 413.930172][ T8304] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 413.930174][ T8304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.930176][ T8304] ___sys_sendmsg (net/socket.c:2767) [ 413.930178][ T8304] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 413.930180][ T8304] ? copy_msghdr_from_user (net/socket.c:2619) [ 413.930182][ T8304] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 413.930186][ T8304] __sys_sendmsg (net/socket.c:2799) [ 413.930188][ T8304] ? __sys_sendmsg_sock (net/socket.c:2780) [ 413.930191][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930192][ T8304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.930194][ T8304] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 413.930196][ T8304] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 413.930198][ T8304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 413.930200][ T8304] RIP: 0033:0x7f2d1f38054e [ 413.930202][ T8304] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 413.930204][ T8304] RSP: 002b:00007ffe32a3e0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 413.930208][ T8304] RAX: ffffffffffffffda RBX: 00007ffe32a3e8a8 RCX: 00007f2d1f38054e [ 413.930209][ T8304] RDX: 0000000000000000 RSI: 00007ffe32a3e190 RDI: 0000000000000005 [ 413.930210][ T8304] RBP: 00007ffe32a3e0f0 R08: 0000000000000000 R09: 0000000000000000 [ 413.930211][ T8304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ad7 [ 413.930212][ T8304] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe32a3e860 | [ 415.237133][ T8373] softirqs last disabled at (0): 0x0 | [ 415.237134][ T8373] Preemption disabled at: | [ 415.237135][ T8373] vprintk_emit (kernel/printk/printk.c:2471) | [ 415.237145][ T8373] Tainted: [W]=WARN [ 415.237147][ T8373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 415.237148][ T8373] Call Trace: [ 415.237149][ T8373] [ 415.237151][ T8373] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 415.237156][ T8373] ? vprintk_emit (kernel/printk/printk.c:2471) [ 415.237158][ T8373] __might_resched.cold (kernel/sched/core.c:9234) [ 415.237162][ T8373] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 415.237168][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237171][ T8373] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 415.237174][ T8373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 415.237177][ T8373] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 415.237183][ T8373] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 415.237184][ T8373] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 415.237187][ T8373] put_chars (drivers/char/virtio_console.c:1176) [ 415.237189][ T8373] ? __send_to_port (drivers/char/virtio_console.c:654) [ 415.237190][ T8373] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 415.237192][ T8373] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 415.237194][ T8373] ? pointer (lib/vsprintf.c:2577) [ 415.237198][ T8373] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 415.237202][ T8373] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 415.237204][ T8373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 415.237206][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 415.237209][ T8373] console_emit_next_record (kernel/printk/printk.c:3183) [ 415.237211][ T8373] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 415.237213][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237214][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237215][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237216][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 415.237218][ T8373] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 415.237220][ T8373] console_flush_one_record (kernel/printk/printk.c:3268) [ 415.237223][ T8373] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 415.237225][ T8373] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 415.237227][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 415.237229][ T8373] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 415.237231][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237232][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 415.237233][ T8373] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 415.237235][ T8373] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 415.237236][ T8373] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 415.237238][ T8373] ? vprintk_emit (kernel/printk/printk.c:2478) [ 415.237240][ T8373] vprintk_emit (kernel/printk/printk.c:2479) [ 415.237241][ T8373] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 415.237242][ T8373] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 415.237245][ T8373] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 415.237248][ T8373] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 415.237250][ T8373] _printk (kernel/printk/printk.c:2504) [ 415.237253][ T8373] ? snapshot_read.cold (user.c:?) [ 415.237255][ T8373] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 415.237258][ T8373] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 415.237261][ T8373] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 415.237263][ T8373] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 415.237266][ T8373] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 415.237268][ T8373] ? netdev_notice (net/core/dev.c:13194) [ 415.237270][ T8373] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 415.237272][ T8373] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 415.237274][ T8373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 415.237276][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237277][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237278][ T8373] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 415.237283][ T8373] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 415.237285][ T8373] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 415.237287][ T8373] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 415.237288][ T8373] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 415.237290][ T8373] ? register_netdev (net/core/dev.c:11618) [ 415.237291][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 415.237293][ T8373] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 415.237296][ T8373] ? __kernel_text_address (kernel/extable.c:79) [ 415.237299][ T8373] ? write_profile (profile.c:?) [ 415.237301][ T8373] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 415.237305][ T8373] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 415.237307][ T8373] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 415.237308][ T8373] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 415.237310][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237311][ T8373] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 415.237314][ T8373] ? kasan_save_stack (mm/kasan/common.c:58) [ 415.237316][ T8373] ? kasan_save_stack (mm/kasan/common.c:57) [ 415.237317][ T8373] ? kasan_save_track (mm/kasan/common.c:78) [ 415.237318][ T8373] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 415.237320][ T8373] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 415.237321][ T8373] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 415.237322][ T8373] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 415.237323][ T8373] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 415.237326][ T8373] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 415.237328][ T8373] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 415.237329][ T8373] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 415.237332][ T8373] ? ____sys_sendmsg (net/socket.c:2713) [ 415.237333][ T8373] ? ___sys_sendmsg (net/socket.c:2767) [ 415.237334][ T8373] ? __sys_sendmsg (net/socket.c:2799) [ 415.237336][ T8373] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 415.237338][ T8373] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 415.237341][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237342][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 415.237343][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237344][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237346][ T8373] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 415.237347][ T8373] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 415.237348][ T8373] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 415.237350][ T8373] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 415.237351][ T8373] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 415.237352][ T8373] ? nla_get_range_signed (lib/nlattr.c:270) [ 415.237356][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237357][ T8373] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 415.237359][ T8373] rtnl_newlink (net/core/rtnetlink.c:4215) [ 415.237361][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237362][ T8373] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 415.237364][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 415.237365][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237367][ T8373] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 415.237369][ T8373] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 415.237371][ T8373] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 415.237372][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237373][ T8373] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 415.237377][ T8373] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 415.237379][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237380][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 415.237382][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237383][ T8373] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 415.237384][ T8373] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 415.237386][ T8373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 415.237387][ T8373] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 415.237389][ T8373] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 415.237391][ T8373] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 415.237393][ T8373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 415.237394][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 415.237396][ T8373] ? netlink_ack (./include/linux/skbuff.h:2718) [ 415.237397][ T8373] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 415.237400][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237402][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 415.237404][ T8373] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 415.237406][ T8373] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 415.237408][ T8373] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 415.237409][ T8373] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 415.237412][ T8373] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 415.237413][ T8373] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 415.237415][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 415.237416][ T8373] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 415.237420][ T8373] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 415.237421][ T8373] ____sys_sendmsg (net/socket.c:2713) [ 415.237423][ T8373] ? copy_msghdr_from_user (net/socket.c:2650) [ 415.237425][ T8373] ? sock_write_iter (net/socket.c:1269) [ 415.237426][ T8373] ? move_addr_to_kernel (net/socket.c:258) [ 415.237428][ T8373] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 415.237431][ T8373] ___sys_sendmsg (net/socket.c:2767) [ 415.237432][ T8373] ? copy_msghdr_from_user (net/socket.c:2619) [ 415.237437][ T8373] __sys_sendmsg (net/socket.c:2799) [ 415.237439][ T8373] ? __sys_sendmsg_sock (net/socket.c:2780) [ 415.237442][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 415.237444][ T8373] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 415.237445][ T8373] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 415.237447][ T8373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 415.237449][ T8373] RIP: 0033:0x7f432881854e [ 415.237451][ T8373] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 415.237452][ T8373] RSP: 002b:00007ffd307b4a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 415.237456][ T8373] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f432881854e [ 415.237458][ T8373] RDX: 0000000000000000 RSI: 00007ffd307b4af0 RDI: 0000000000000005 [ 415.237459][ T8373] RBP: 00007ffd307b4a50 R08: 0000000000000000 R09: 0000000000000000 [ 415.237460][ T8373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ad8 [ 415.237461][ T8373] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd307b51b0 | [ 416.324945][ T8430] softirqs last disabled at (0): 0x0 | [ 416.324947][ T8430] Preemption disabled at: | [ 416.324948][ T8430] vprintk_emit (kernel/printk/printk.c:2471) | [ 416.324958][ T8430] Tainted: [W]=WARN [ 416.324959][ T8430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 416.324961][ T8430] Call Trace: [ 416.324963][ T8430] [ 416.324964][ T8430] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 416.324970][ T8430] ? vprintk_emit (kernel/printk/printk.c:2471) [ 416.324971][ T8430] __might_resched.cold (kernel/sched/core.c:9234) [ 416.324975][ T8430] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 416.324977][ T8430] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 416.324980][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.324983][ T8430] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 416.324986][ T8430] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 416.324989][ T8430] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 416.324994][ T8430] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 416.324996][ T8430] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 416.324999][ T8430] put_chars (drivers/char/virtio_console.c:1176) [ 416.325000][ T8430] ? __send_to_port (drivers/char/virtio_console.c:654) [ 416.325002][ T8430] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 416.325005][ T8430] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 416.325010][ T8430] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 416.325011][ T8430] ? vsnprintf (lib/vsprintf.c:2900) [ 416.325014][ T8430] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 416.325016][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325017][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325019][ T8430] console_emit_next_record (kernel/printk/printk.c:3183) [ 416.325022][ T8430] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 416.325024][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325025][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325026][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325027][ T8430] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 416.325029][ T8430] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 416.325031][ T8430] console_flush_one_record (kernel/printk/printk.c:3268) [ 416.325033][ T8430] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 416.325036][ T8430] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 416.325038][ T8430] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 416.325039][ T8430] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 416.325041][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325042][ T8430] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 416.325043][ T8430] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 416.325045][ T8430] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 416.325046][ T8430] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 416.325048][ T8430] ? vprintk_emit (kernel/printk/printk.c:2478) [ 416.325050][ T8430] vprintk_emit (kernel/printk/printk.c:2479) [ 416.325052][ T8430] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 416.325053][ T8430] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 416.325055][ T8430] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 416.325057][ T8430] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 416.325059][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325060][ T8430] _printk (kernel/printk/printk.c:2504) [ 416.325063][ T8430] ? snapshot_read.cold (user.c:?) [ 416.325065][ T8430] ? br_multicast_flood (??:?) [ 416.325069][ T8430] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 416.325071][ T8430] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 416.325073][ T8430] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 416.325074][ T8430] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 416.325077][ T8430] br_init_port (net/bridge/br_stp_if.c:39) [ 416.325079][ T8430] new_nbp (net/bridge/br_if.c:449) [ 416.325081][ T8430] br_add_if (net/bridge/br_if.c:592) [ 416.325083][ T8430] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 416.325087][ T8430] do_set_master (net/core/rtnetlink.c:3071) [ 416.325089][ T8430] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 416.325091][ T8430] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 416.325092][ T8430] ? __dev_get_by_name (net/core/dev.c:905) [ 416.325094][ T8430] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 416.325098][ T8430] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 416.325100][ T8430] rtnl_newlink (net/core/rtnetlink.c:4215) [ 416.325102][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325104][ T8430] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 416.325105][ T8430] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 416.325106][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325108][ T8430] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 416.325110][ T8430] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 416.325112][ T8430] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 416.325114][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325115][ T8430] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 416.325117][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325118][ T8430] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 416.325119][ T8430] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 416.325121][ T8430] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 416.325122][ T8430] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 416.325124][ T8430] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 416.325128][ T8430] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 416.325131][ T8430] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 416.325132][ T8430] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 416.325134][ T8430] ? netlink_ack (./include/linux/skbuff.h:2718) [ 416.325136][ T8430] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 416.325138][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325140][ T8430] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 416.325142][ T8430] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 416.325144][ T8430] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 416.325146][ T8430] ? next_uptodate_folio (mm/filemap.c:3747) [ 416.325149][ T8430] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 416.325151][ T8430] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 416.325153][ T8430] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 416.325154][ T8430] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 416.325158][ T8430] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 416.325161][ T8430] ____sys_sendmsg (net/socket.c:2713) [ 416.325162][ T8430] ? copy_msghdr_from_user (net/socket.c:2650) [ 416.325167][ T8430] ? sock_write_iter (net/socket.c:1269) [ 416.325168][ T8430] ? move_addr_to_kernel (net/socket.c:258) [ 416.325171][ T8430] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 416.325173][ T8430] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 416.325175][ T8430] ___sys_sendmsg (net/socket.c:2767) [ 416.325177][ T8430] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 416.325179][ T8430] ? copy_msghdr_from_user (net/socket.c:2619) [ 416.325180][ T8430] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 416.325185][ T8430] __sys_sendmsg (net/socket.c:2799) [ 416.325187][ T8430] ? __sys_sendmsg_sock (net/socket.c:2780) [ 416.325190][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325191][ T8430] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 416.325192][ T8430] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 416.325196][ T8430] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 416.325198][ T8430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 416.325200][ T8430] RIP: 0033:0x7f44b2fe154e [ 416.325202][ T8430] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 416.325203][ T8430] RSP: 002b:00007ffe8fd5b6a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 416.325207][ T8430] RAX: ffffffffffffffda RBX: 00007ffe8fd5be68 RCX: 00007f44b2fe154e [ 416.325208][ T8430] RDX: 0000000000000000 RSI: 00007ffe8fd5b750 RDI: 0000000000000005 [ 416.325209][ T8430] RBP: 00007ffe8fd5b6b0 R08: 0000000000000000 R09: 0000000000000000 [ 416.325210][ T8430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ad9 [ 416.325211][ T8430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8fd5be20 | [ 421.911906][ T8463] softirqs last disabled at (0): 0x0 | [ 421.911907][ T8463] Preemption disabled at: | [ 421.911908][ T8463] vprintk_emit (kernel/printk/printk.c:2471) | [ 421.911918][ T8463] Tainted: [W]=WARN [ 421.911919][ T8463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 421.911921][ T8463] Call Trace: [ 421.911922][ T8463] [ 421.911924][ T8463] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 421.911930][ T8463] ? vprintk_emit (kernel/printk/printk.c:2471) [ 421.911931][ T8463] __might_resched.cold (kernel/sched/core.c:9234) [ 421.911935][ T8463] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 421.911938][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.911941][ T8463] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 421.911944][ T8463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 421.911947][ T8463] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 421.911952][ T8463] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 421.911954][ T8463] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 421.911956][ T8463] put_chars (drivers/char/virtio_console.c:1176) [ 421.911958][ T8463] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 421.911960][ T8463] ? __send_to_port (drivers/char/virtio_console.c:654) [ 421.911962][ T8463] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 421.911964][ T8463] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 421.911969][ T8463] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 421.911970][ T8463] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 421.911972][ T8463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 421.911974][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.911975][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.911976][ T8463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 421.911979][ T8463] console_emit_next_record (kernel/printk/printk.c:3183) [ 421.911981][ T8463] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 421.911983][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.911984][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.911985][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.911986][ T8463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 421.911988][ T8463] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 421.911990][ T8463] console_flush_one_record (kernel/printk/printk.c:3268) [ 421.911993][ T8463] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 421.911995][ T8463] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 421.911997][ T8463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 421.911999][ T8463] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 421.912001][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.912002][ T8463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 421.912003][ T8463] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 421.912005][ T8463] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 421.912006][ T8463] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 421.912008][ T8463] ? vprintk_emit (kernel/printk/printk.c:2478) [ 421.912010][ T8463] vprintk_emit (kernel/printk/printk.c:2479) [ 421.912012][ T8463] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 421.912014][ T8463] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 421.912016][ T8463] _printk (kernel/printk/printk.c:2504) [ 421.912019][ T8463] ? snapshot_read.cold (user.c:?) [ 421.912022][ T8463] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 421.912024][ T8463] gact_init_module (net/sched/act_gact.c:180) act_gact [ 421.912026][ T8463] do_one_initcall (init/main.c:1357) [ 421.912028][ T8463] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 421.912031][ T8463] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 421.912033][ T8463] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 421.912037][ T8463] do_init_module (kernel/module/main.c:3117) [ 421.912039][ T8463] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 421.912040][ T8463] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 421.912042][ T8463] load_module (kernel/module/main.c:3593) [ 421.912045][ T8463] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 421.912049][ T8463] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 421.912050][ T8463] ? __ia32_sys_fsconfig (??:?) [ 421.912053][ T8463] ? backing_file_read_iter (fs/backing-file.c:211) [ 421.912057][ T8463] init_module_from_file (kernel/module/main.c:3790) [ 421.912059][ T8463] ? __do_sys_init_module (kernel/module/main.c:3664) [ 421.912060][ T8463] ? ovl_mmap (fs/overlayfs/file.c:477) [ 421.912063][ T8463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 421.912065][ T8463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.912066][ T8463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 421.912068][ T8463] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 421.912070][ T8463] idempotent_init_module (kernel/module/main.c:3802) [ 421.912072][ T8463] ? init_module_from_file (kernel/module/main.c:3791) [ 421.912074][ T8463] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 421.912076][ T8463] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 421.912079][ T8463] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 421.912080][ T8463] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 421.912083][ T8463] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 421.912087][ T8463] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 421.912089][ T8463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 421.912091][ T8463] RIP: 0033:0x7f8dc174d37d [ 421.912093][ T8463] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 421.912095][ T8463] RSP: 002b:00007ffce656cd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 421.912099][ T8463] RAX: ffffffffffffffda RBX: 000055b8ae62b810 RCX: 00007f8dc174d37d [ 421.912100][ T8463] RDX: 0000000000000000 RSI: 000055b88e9a2ffd RDI: 0000000000000000 [ 421.912101][ T8463] RBP: 00007ffce656ce00 R08: 0000000000000000 R09: 0000000000000000 [ 421.912102][ T8463] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b88e9a2ffd [ 421.912103][ T8463] R13: 000055b8ae62b960 R14: 0000000000040000 R15: 0000000000000000 | [ 424.309928][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 424.309930][ T12] Preemption disabled at: | [ 424.309931][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 424.309942][ T12] Tainted: [W]=WARN [ 424.309943][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 424.309945][ T12] Workqueue: netns cleanup_net [ 424.309951][ T12] Call Trace: [ 424.309952][ T12] [ 424.309954][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 424.309959][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 424.309960][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 424.309964][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 424.309966][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 424.309969][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.309972][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 424.309975][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.309978][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 424.309982][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 424.309984][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 424.309987][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 424.309989][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 424.309990][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 424.309993][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 424.309998][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 424.309999][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 424.310001][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.310003][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310004][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310006][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 424.310009][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 424.310011][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310012][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310013][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310014][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.310017][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 424.310018][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 424.310021][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 424.310024][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 424.310025][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.310027][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 424.310029][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310030][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.310031][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 424.310033][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 424.310034][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 424.310036][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 424.310037][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 424.310039][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 424.310040][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 424.310042][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 424.310045][ T12] ? kthread (kernel/kthread.c:436) [ 424.310047][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 424.310050][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 424.310052][ T12] _printk (kernel/printk/printk.c:2504) [ 424.310055][ T12] ? snapshot_read.cold (user.c:?) [ 424.310057][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 424.310061][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 424.310063][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 424.310065][ T12] ? netdev_notice (net/core/dev.c:13194) [ 424.310067][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310068][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 424.310070][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 424.310073][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 424.310074][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 424.310076][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 424.310078][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 424.310080][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 424.310084][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 424.310086][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 424.310089][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 424.310091][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 424.310093][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 424.310095][ T12] cleanup_net (net/core/net_namespace.c:706) [ 424.310097][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 424.310099][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.310101][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.310102][ T12] process_one_work (kernel/workqueue.c:3387) [ 424.310105][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 424.310108][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.310110][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 424.310113][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 424.310115][ T12] kthread (kernel/kthread.c:436) [ 424.310117][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 424.310118][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 424.310120][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 424.310122][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 424.310124][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 424.310127][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 424.310129][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 425.501275][ T8652] softirqs last disabled at (0): 0x0 | [ 425.501276][ T8652] Preemption disabled at: | [ 425.501277][ T8652] vprintk_emit (kernel/printk/printk.c:2471) | [ 425.501287][ T8652] Tainted: [W]=WARN [ 425.501288][ T8652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 425.501290][ T8652] Call Trace: [ 425.501292][ T8652] [ 425.501293][ T8652] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 425.501298][ T8652] ? vprintk_emit (kernel/printk/printk.c:2471) [ 425.501300][ T8652] __might_resched.cold (kernel/sched/core.c:9234) [ 425.501304][ T8652] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 425.501306][ T8652] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 425.501309][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501312][ T8652] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 425.501315][ T8652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 425.501321][ T8652] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 425.501327][ T8652] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 425.501328][ T8652] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 425.501331][ T8652] put_chars (drivers/char/virtio_console.c:1176) [ 425.501333][ T8652] ? __send_to_port (drivers/char/virtio_console.c:654) [ 425.501335][ T8652] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 425.501338][ T8652] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 425.501342][ T8652] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 425.501344][ T8652] ? vsnprintf (lib/vsprintf.c:2900) [ 425.501347][ T8652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 425.501349][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501350][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501352][ T8652] console_emit_next_record (kernel/printk/printk.c:3183) [ 425.501355][ T8652] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 425.501357][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501358][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501359][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501360][ T8652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.501362][ T8652] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 425.501364][ T8652] console_flush_one_record (kernel/printk/printk.c:3268) [ 425.501367][ T8652] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 425.501369][ T8652] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 425.501371][ T8652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.501373][ T8652] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 425.501375][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501376][ T8652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 425.501377][ T8652] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 425.501379][ T8652] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 425.501380][ T8652] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 425.501382][ T8652] ? vprintk_emit (kernel/printk/printk.c:2478) [ 425.501384][ T8652] vprintk_emit (kernel/printk/printk.c:2479) [ 425.501385][ T8652] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 425.501387][ T8652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 425.501388][ T8652] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 425.501391][ T8652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.501393][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501394][ T8652] _printk (kernel/printk/printk.c:2504) [ 425.501397][ T8652] ? snapshot_read.cold (user.c:?) [ 425.501399][ T8652] ? br_multicast_flood (??:?) [ 425.501403][ T8652] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 425.501405][ T8652] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 425.501407][ T8652] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 425.501408][ T8652] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 425.501411][ T8652] br_init_port (net/bridge/br_stp_if.c:39) [ 425.501413][ T8652] new_nbp (net/bridge/br_if.c:449) [ 425.501415][ T8652] br_add_if (net/bridge/br_if.c:592) [ 425.501417][ T8652] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 425.501421][ T8652] do_set_master (net/core/rtnetlink.c:3071) [ 425.501423][ T8652] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 425.501424][ T8652] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 425.501426][ T8652] ? __dev_get_by_name (net/core/dev.c:905) [ 425.501427][ T8652] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 425.501432][ T8652] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 425.501434][ T8652] rtnl_newlink (net/core/rtnetlink.c:4215) [ 425.501436][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501437][ T8652] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 425.501438][ T8652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.501440][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501441][ T8652] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 425.501444][ T8652] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 425.501446][ T8652] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 425.501448][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501449][ T8652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.501451][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501452][ T8652] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 425.501454][ T8652] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 425.501455][ T8652] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 425.501457][ T8652] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 425.501458][ T8652] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 425.501462][ T8652] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 425.501465][ T8652] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 425.501466][ T8652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 425.501468][ T8652] ? netlink_ack (./include/linux/skbuff.h:2718) [ 425.501470][ T8652] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 425.501473][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501474][ T8652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 425.501476][ T8652] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 425.501478][ T8652] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 425.501480][ T8652] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 425.501483][ T8652] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 425.501486][ T8652] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 425.501488][ T8652] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 425.501490][ T8652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.501491][ T8652] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 425.501495][ T8652] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 425.501498][ T8652] ____sys_sendmsg (net/socket.c:2713) [ 425.501500][ T8652] ? copy_msghdr_from_user (net/socket.c:2650) [ 425.501501][ T8652] ? sock_write_iter (net/socket.c:1269) [ 425.501503][ T8652] ? move_addr_to_kernel (net/socket.c:258) [ 425.501505][ T8652] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 425.501507][ T8652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.501510][ T8652] ___sys_sendmsg (net/socket.c:2767) [ 425.501511][ T8652] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 425.501513][ T8652] ? copy_msghdr_from_user (net/socket.c:2619) [ 425.501515][ T8652] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 425.501519][ T8652] __sys_sendmsg (net/socket.c:2799) [ 425.501521][ T8652] ? __sys_sendmsg_sock (net/socket.c:2780) [ 425.501524][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501525][ T8652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.501526][ T8652] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 425.501529][ T8652] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 425.501531][ T8652] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 425.501533][ T8652] RIP: 0033:0x7f5fc47ff54e [ 425.501535][ T8652] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 425.501537][ T8652] RSP: 002b:00007ffefc2b2f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 425.501540][ T8652] RAX: ffffffffffffffda RBX: 00007ffefc2b36e8 RCX: 00007f5fc47ff54e [ 425.501542][ T8652] RDX: 0000000000000000 RSI: 00007ffefc2b2fd0 RDI: 0000000000000005 [ 425.501543][ T8652] RBP: 00007ffefc2b2f30 R08: 0000000000000000 R09: 0000000000000000 [ 425.501544][ T8652] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ae2 [ 425.501545][ T8652] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefc2b36a0 | [ 426.807123][ T8721] softirqs last disabled at (0): 0x0 | [ 426.807125][ T8721] Preemption disabled at: | [ 426.807126][ T8721] vprintk_emit (kernel/printk/printk.c:2471) | [ 426.807136][ T8721] Tainted: [W]=WARN [ 426.807137][ T8721] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 426.807139][ T8721] Call Trace: [ 426.807140][ T8721] [ 426.807142][ T8721] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 426.807147][ T8721] ? vprintk_emit (kernel/printk/printk.c:2471) [ 426.807149][ T8721] __might_resched.cold (kernel/sched/core.c:9234) [ 426.807153][ T8721] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 426.807157][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807159][ T8721] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 426.807162][ T8721] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.807168][ T8721] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 426.807173][ T8721] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 426.807175][ T8721] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 426.807178][ T8721] put_chars (drivers/char/virtio_console.c:1176) [ 426.807180][ T8721] ? __send_to_port (drivers/char/virtio_console.c:654) [ 426.807181][ T8721] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 426.807183][ T8721] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 426.807186][ T8721] ? pointer (lib/vsprintf.c:2577) [ 426.807190][ T8721] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 426.807195][ T8721] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 426.807197][ T8721] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.807199][ T8721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.807202][ T8721] console_emit_next_record (kernel/printk/printk.c:3183) [ 426.807204][ T8721] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 426.807207][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807208][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807209][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807210][ T8721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.807212][ T8721] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 426.807214][ T8721] console_flush_one_record (kernel/printk/printk.c:3268) [ 426.807217][ T8721] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 426.807220][ T8721] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 426.807222][ T8721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.807223][ T8721] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 426.807225][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807226][ T8721] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.807228][ T8721] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 426.807229][ T8721] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 426.807231][ T8721] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 426.807233][ T8721] ? vprintk_emit (kernel/printk/printk.c:2478) [ 426.807235][ T8721] vprintk_emit (kernel/printk/printk.c:2479) [ 426.807236][ T8721] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 426.807238][ T8721] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 426.807240][ T8721] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 426.807244][ T8721] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 426.807246][ T8721] _printk (kernel/printk/printk.c:2504) [ 426.807249][ T8721] ? snapshot_read.cold (user.c:?) [ 426.807251][ T8721] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 426.807253][ T8721] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 426.807257][ T8721] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 426.807259][ T8721] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 426.807262][ T8721] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 426.807265][ T8721] ? netdev_notice (net/core/dev.c:13194) [ 426.807267][ T8721] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 426.807268][ T8721] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 426.807271][ T8721] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.807273][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807274][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807275][ T8721] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 426.807277][ T8721] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 426.807278][ T8721] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 426.807280][ T8721] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 426.807281][ T8721] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 426.807283][ T8721] ? register_netdev (net/core/dev.c:11618) [ 426.807284][ T8721] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.807286][ T8721] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 426.807289][ T8721] ? __kernel_text_address (kernel/extable.c:79) [ 426.807292][ T8721] ? write_profile (profile.c:?) [ 426.807295][ T8721] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 426.807298][ T8721] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 426.807301][ T8721] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 426.807302][ T8721] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 426.807303][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807305][ T8721] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 426.807308][ T8721] ? kasan_save_stack (mm/kasan/common.c:58) [ 426.807310][ T8721] ? kasan_save_stack (mm/kasan/common.c:57) [ 426.807311][ T8721] ? kasan_save_track (mm/kasan/common.c:78) [ 426.807312][ T8721] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 426.807314][ T8721] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 426.807315][ T8721] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 426.807316][ T8721] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 426.807318][ T8721] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 426.807326][ T8721] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 426.807328][ T8721] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 426.807329][ T8721] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 426.807332][ T8721] ? ____sys_sendmsg (net/socket.c:2713) [ 426.807333][ T8721] ? ___sys_sendmsg (net/socket.c:2767) [ 426.807335][ T8721] ? __sys_sendmsg (net/socket.c:2799) [ 426.807337][ T8721] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 426.807339][ T8721] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 426.807341][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807343][ T8721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.807344][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807346][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807347][ T8721] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 426.807348][ T8721] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 426.807350][ T8721] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 426.807351][ T8721] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 426.807353][ T8721] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 426.807354][ T8721] ? nla_get_range_signed (lib/nlattr.c:270) [ 426.807358][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807359][ T8721] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 426.807361][ T8721] rtnl_newlink (net/core/rtnetlink.c:4215) [ 426.807363][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807365][ T8721] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 426.807366][ T8721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.807368][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807369][ T8721] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 426.807372][ T8721] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 426.807373][ T8721] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 426.807375][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807376][ T8721] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 426.807379][ T8721] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 426.807382][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807383][ T8721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.807384][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807386][ T8721] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 426.807387][ T8721] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 426.807389][ T8721] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 426.807390][ T8721] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 426.807392][ T8721] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 426.807395][ T8721] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 426.807396][ T8721] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 426.807398][ T8721] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.807400][ T8721] ? netlink_ack (./include/linux/skbuff.h:2718) [ 426.807401][ T8721] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 426.807404][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807406][ T8721] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.807408][ T8721] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 426.807410][ T8721] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 426.807412][ T8721] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 426.807414][ T8721] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 426.807416][ T8721] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 426.807418][ T8721] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 426.807420][ T8721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.807421][ T8721] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 426.807425][ T8721] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 426.807427][ T8721] ____sys_sendmsg (net/socket.c:2713) [ 426.807428][ T8721] ? copy_msghdr_from_user (net/socket.c:2650) [ 426.807430][ T8721] ? sock_write_iter (net/socket.c:1269) [ 426.807432][ T8721] ? move_addr_to_kernel (net/socket.c:258) [ 426.807433][ T8721] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 426.807436][ T8721] ___sys_sendmsg (net/socket.c:2767) [ 426.807438][ T8721] ? copy_msghdr_from_user (net/socket.c:2619) [ 426.807443][ T8721] __sys_sendmsg (net/socket.c:2799) [ 426.807445][ T8721] ? __sys_sendmsg_sock (net/socket.c:2780) [ 426.807448][ T8721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.807450][ T8721] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 426.807452][ T8721] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 426.807454][ T8721] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 426.807455][ T8721] RIP: 0033:0x7fc79132d54e [ 426.807457][ T8721] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 426.807459][ T8721] RSP: 002b:00007ffc8ced2630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 426.807463][ T8721] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc79132d54e [ 426.807464][ T8721] RDX: 0000000000000000 RSI: 00007ffc8ced26e0 RDI: 0000000000000005 [ 426.807465][ T8721] RBP: 00007ffc8ced2640 R08: 0000000000000000 R09: 0000000000000000 [ 426.807466][ T8721] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ae4 [ 426.807467][ T8721] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8ced2da0 | [ 427.897880][ T8778] softirqs last disabled at (0): 0x0 | [ 427.897882][ T8778] Preemption disabled at: | [ 427.897883][ T8778] vprintk_emit (kernel/printk/printk.c:2471) | [ 427.897892][ T8778] Tainted: [W]=WARN [ 427.897893][ T8778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 427.897895][ T8778] Call Trace: [ 427.897896][ T8778] [ 427.897898][ T8778] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 427.897903][ T8778] ? vprintk_emit (kernel/printk/printk.c:2471) [ 427.897905][ T8778] __might_resched.cold (kernel/sched/core.c:9234) [ 427.897909][ T8778] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 427.897911][ T8778] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 427.897914][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897917][ T8778] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 427.897920][ T8778] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 427.897923][ T8778] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 427.897928][ T8778] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 427.897930][ T8778] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 427.897933][ T8778] put_chars (drivers/char/virtio_console.c:1176) [ 427.897934][ T8778] ? __send_to_port (drivers/char/virtio_console.c:654) [ 427.897936][ T8778] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 427.897939][ T8778] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 427.897943][ T8778] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 427.897945][ T8778] ? vsnprintf (lib/vsprintf.c:2900) [ 427.897948][ T8778] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 427.897949][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897951][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897952][ T8778] console_emit_next_record (kernel/printk/printk.c:3183) [ 427.897955][ T8778] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 427.897957][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897958][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897959][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897960][ T8778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 427.897963][ T8778] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 427.897964][ T8778] console_flush_one_record (kernel/printk/printk.c:3268) [ 427.897967][ T8778] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 427.897969][ T8778] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 427.897971][ T8778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 427.897973][ T8778] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 427.897975][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897976][ T8778] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 427.897977][ T8778] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 427.897979][ T8778] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 427.897980][ T8778] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 427.897982][ T8778] ? vprintk_emit (kernel/printk/printk.c:2478) [ 427.897983][ T8778] vprintk_emit (kernel/printk/printk.c:2479) [ 427.897985][ T8778] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 427.897986][ T8778] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 427.897988][ T8778] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 427.897991][ T8778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 427.897992][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.897994][ T8778] _printk (kernel/printk/printk.c:2504) [ 427.897997][ T8778] ? snapshot_read.cold (user.c:?) [ 427.897999][ T8778] ? br_multicast_flood (??:?) [ 427.898002][ T8778] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 427.898005][ T8778] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 427.898006][ T8778] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 427.898008][ T8778] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 427.898010][ T8778] br_init_port (net/bridge/br_stp_if.c:39) [ 427.898012][ T8778] new_nbp (net/bridge/br_if.c:449) [ 427.898014][ T8778] br_add_if (net/bridge/br_if.c:592) [ 427.898016][ T8778] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 427.898020][ T8778] do_set_master (net/core/rtnetlink.c:3071) [ 427.898022][ T8778] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 427.898024][ T8778] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 427.898025][ T8778] ? __dev_get_by_name (net/core/dev.c:905) [ 427.898027][ T8778] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 427.898030][ T8778] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 427.898033][ T8778] rtnl_newlink (net/core/rtnetlink.c:4215) [ 427.898035][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.898036][ T8778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 427.898038][ T8778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 427.898039][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.898041][ T8778] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 427.898043][ T8778] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 427.898045][ T8778] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 427.898047][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.898048][ T8778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 427.898050][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.898051][ T8778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 427.898052][ T8778] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 427.898054][ T8778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 427.898056][ T8778] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 427.898057][ T8778] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 427.898061][ T8778] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 427.898064][ T8778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 427.898065][ T8778] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 427.898067][ T8778] ? netlink_ack (./include/linux/skbuff.h:2718) [ 427.898068][ T8778] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 427.898071][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.898072][ T8778] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 427.898074][ T8778] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 427.898076][ T8778] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 427.898078][ T8778] ? next_uptodate_folio (mm/filemap.c:3747) [ 427.898081][ T8778] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 427.898084][ T8778] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 427.898086][ T8778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 427.898087][ T8778] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 427.898091][ T8778] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 427.898094][ T8778] ____sys_sendmsg (net/socket.c:2713) [ 427.898096][ T8778] ? copy_msghdr_from_user (net/socket.c:2650) [ 427.898097][ T8778] ? sock_write_iter (net/socket.c:1269) [ 427.898099][ T8778] ? move_addr_to_kernel (net/socket.c:258) [ 427.898101][ T8778] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 427.898103][ T8778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 427.898105][ T8778] ___sys_sendmsg (net/socket.c:2767) [ 427.898107][ T8778] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 427.898109][ T8778] ? copy_msghdr_from_user (net/socket.c:2619) [ 427.898110][ T8778] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 427.898115][ T8778] __sys_sendmsg (net/socket.c:2799) [ 427.898117][ T8778] ? __sys_sendmsg_sock (net/socket.c:2780) [ 427.898120][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.898121][ T8778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 427.898122][ T8778] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 427.898125][ T8778] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 427.898127][ T8778] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 427.898129][ T8778] RIP: 0033:0x7f6b161fc54e [ 427.898131][ T8778] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 427.898133][ T8778] RSP: 002b:00007ffcd2f2ab00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 427.898136][ T8778] RAX: ffffffffffffffda RBX: 00007ffcd2f2b2c8 RCX: 00007f6b161fc54e [ 427.898138][ T8778] RDX: 0000000000000000 RSI: 00007ffcd2f2abb0 RDI: 0000000000000005 [ 427.898139][ T8778] RBP: 00007ffcd2f2ab10 R08: 0000000000000000 R09: 0000000000000000 [ 427.898140][ T8778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ae5 [ 427.898141][ T8778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd2f2b280 | [ 435.686914][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 435.686916][ T12] Preemption disabled at: | [ 435.686917][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 435.686929][ T12] Tainted: [W]=WARN [ 435.686930][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 435.686932][ T12] Workqueue: netns cleanup_net [ 435.686938][ T12] Call Trace: [ 435.686940][ T12] [ 435.686941][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 435.686947][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 435.686948][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 435.686952][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 435.686954][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 435.686957][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.686960][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 435.686963][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 435.686966][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 435.686971][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 435.686972][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 435.686975][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 435.686977][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 435.686978][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 435.686981][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 435.686986][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 435.686987][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 435.686990][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 435.686992][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.686993][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.686995][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 435.686998][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 435.687000][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.687001][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.687002][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.687003][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.687005][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 435.687007][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 435.687010][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 435.687012][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 435.687014][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.687016][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 435.687018][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.687019][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 435.687021][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 435.687022][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 435.687023][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 435.687025][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 435.687027][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 435.687029][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 435.687030][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 435.687031][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 435.687034][ T12] ? kthread (kernel/kthread.c:436) [ 435.687036][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 435.687039][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 435.687042][ T12] _printk (kernel/printk/printk.c:2504) [ 435.687045][ T12] ? snapshot_read.cold (user.c:?) [ 435.687047][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 435.687050][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 435.687052][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 435.687055][ T12] ? netdev_notice (net/core/dev.c:13194) [ 435.687057][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.687058][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 435.687059][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 435.687062][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 435.687064][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 435.687065][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 435.687067][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 435.687070][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 435.687074][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 435.687076][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 435.687078][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 435.687080][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 435.687082][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 435.687085][ T12] cleanup_net (net/core/net_namespace.c:706) [ 435.687087][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 435.687089][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.687091][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.687093][ T12] process_one_work (kernel/workqueue.c:3387) [ 435.687096][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 435.687098][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 435.687101][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 435.687104][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 435.687106][ T12] kthread (kernel/kthread.c:436) [ 435.687108][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 435.687109][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 435.687111][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 435.687113][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 435.687115][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 435.687118][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 435.687120][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 436.916671][ T8996] softirqs last disabled at (0): 0x0 | [ 436.916673][ T8996] Preemption disabled at: | [ 436.916674][ T8996] vprintk_emit (kernel/printk/printk.c:2471) | [ 436.916683][ T8996] Tainted: [W]=WARN [ 436.916684][ T8996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 436.916686][ T8996] Call Trace: [ 436.916688][ T8996] [ 436.916689][ T8996] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 436.916695][ T8996] ? vprintk_emit (kernel/printk/printk.c:2471) [ 436.916697][ T8996] __might_resched.cold (kernel/sched/core.c:9234) [ 436.916700][ T8996] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 436.916703][ T8996] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 436.916706][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916709][ T8996] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 436.916711][ T8996] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 436.916714][ T8996] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 436.916720][ T8996] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 436.916721][ T8996] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 436.916724][ T8996] put_chars (drivers/char/virtio_console.c:1176) [ 436.916726][ T8996] ? __send_to_port (drivers/char/virtio_console.c:654) [ 436.916727][ T8996] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 436.916730][ T8996] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 436.916735][ T8996] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 436.916736][ T8996] ? vsnprintf (lib/vsprintf.c:2900) [ 436.916740][ T8996] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 436.916742][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916743][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916744][ T8996] console_emit_next_record (kernel/printk/printk.c:3183) [ 436.916747][ T8996] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 436.916749][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916750][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916751][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916753][ T8996] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.916755][ T8996] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 436.916757][ T8996] console_flush_one_record (kernel/printk/printk.c:3268) [ 436.916759][ T8996] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 436.916762][ T8996] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 436.916764][ T8996] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.916765][ T8996] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 436.916767][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916768][ T8996] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 436.916769][ T8996] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 436.916771][ T8996] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 436.916772][ T8996] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 436.916775][ T8996] ? vprintk_emit (kernel/printk/printk.c:2478) [ 436.916776][ T8996] vprintk_emit (kernel/printk/printk.c:2479) [ 436.916778][ T8996] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 436.916779][ T8996] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 436.916781][ T8996] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 436.916783][ T8996] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.916785][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916786][ T8996] _printk (kernel/printk/printk.c:2504) [ 436.916789][ T8996] ? snapshot_read.cold (user.c:?) [ 436.916791][ T8996] ? br_multicast_flood (??:?) [ 436.916795][ T8996] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 436.916798][ T8996] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 436.916799][ T8996] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 436.916801][ T8996] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 436.916803][ T8996] br_init_port (net/bridge/br_stp_if.c:39) [ 436.916805][ T8996] new_nbp (net/bridge/br_if.c:449) [ 436.916807][ T8996] br_add_if (net/bridge/br_if.c:592) [ 436.916809][ T8996] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 436.916813][ T8996] do_set_master (net/core/rtnetlink.c:3071) [ 436.916815][ T8996] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 436.916817][ T8996] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 436.916818][ T8996] ? __dev_get_by_name (net/core/dev.c:905) [ 436.916820][ T8996] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 436.916824][ T8996] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 436.916826][ T8996] rtnl_newlink (net/core/rtnetlink.c:4215) [ 436.916828][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916829][ T8996] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 436.916831][ T8996] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.916832][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916834][ T8996] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 436.916836][ T8996] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 436.916838][ T8996] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 436.916840][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916841][ T8996] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.916843][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916844][ T8996] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 436.916846][ T8996] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 436.916847][ T8996] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 436.916849][ T8996] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 436.916850][ T8996] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 436.916854][ T8996] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 436.916857][ T8996] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 436.916858][ T8996] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 436.916860][ T8996] ? netlink_ack (./include/linux/skbuff.h:2718) [ 436.916862][ T8996] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 436.916865][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916866][ T8996] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 436.916868][ T8996] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 436.916870][ T8996] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 436.916872][ T8996] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 436.916875][ T8996] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 436.916878][ T8996] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 436.916880][ T8996] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 436.916882][ T8996] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.916884][ T8996] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 436.916887][ T8996] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 436.916890][ T8996] ____sys_sendmsg (net/socket.c:2713) [ 436.916892][ T8996] ? copy_msghdr_from_user (net/socket.c:2650) [ 436.916894][ T8996] ? sock_write_iter (net/socket.c:1269) [ 436.916895][ T8996] ? move_addr_to_kernel (net/socket.c:258) [ 436.916897][ T8996] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 436.916900][ T8996] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.916902][ T8996] ___sys_sendmsg (net/socket.c:2767) [ 436.916904][ T8996] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 436.916906][ T8996] ? copy_msghdr_from_user (net/socket.c:2619) [ 436.916907][ T8996] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 436.916912][ T8996] __sys_sendmsg (net/socket.c:2799) [ 436.916914][ T8996] ? __sys_sendmsg_sock (net/socket.c:2780) [ 436.916917][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916918][ T8996] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.916919][ T8996] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 436.916922][ T8996] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 436.916924][ T8996] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 436.916926][ T8996] RIP: 0033:0x7f896757f54e [ 436.916928][ T8996] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 436.916930][ T8996] RSP: 002b:00007ffc3251e1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 436.916934][ T8996] RAX: ffffffffffffffda RBX: 00007ffc3251e998 RCX: 00007f896757f54e [ 436.916935][ T8996] RDX: 0000000000000000 RSI: 00007ffc3251e280 RDI: 0000000000000005 [ 436.916936][ T8996] RBP: 00007ffc3251e1e0 R08: 0000000000000000 R09: 0000000000000000 [ 436.916937][ T8996] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913aee [ 436.916938][ T8996] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3251e950 | [ 438.246905][ T9065] softirqs last disabled at (0): 0x0 | [ 438.246907][ T9065] Preemption disabled at: | [ 438.246907][ T9065] vprintk_emit (kernel/printk/printk.c:2471) | [ 438.246917][ T9065] Tainted: [W]=WARN [ 438.246918][ T9065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 438.246920][ T9065] Call Trace: [ 438.246922][ T9065] [ 438.246923][ T9065] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 438.246928][ T9065] ? vprintk_emit (kernel/printk/printk.c:2471) [ 438.246930][ T9065] __might_resched.cold (kernel/sched/core.c:9234) [ 438.246933][ T9065] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 438.246937][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.246939][ T9065] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 438.246942][ T9065] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 438.246945][ T9065] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 438.246950][ T9065] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 438.246952][ T9065] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 438.246954][ T9065] put_chars (drivers/char/virtio_console.c:1176) [ 438.246956][ T9065] ? __send_to_port (drivers/char/virtio_console.c:654) [ 438.246957][ T9065] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 438.246960][ T9065] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 438.246962][ T9065] ? pointer (lib/vsprintf.c:2577) [ 438.246965][ T9065] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 438.246970][ T9065] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 438.246971][ T9065] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 438.246973][ T9065] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 438.246976][ T9065] console_emit_next_record (kernel/printk/printk.c:3183) [ 438.246978][ T9065] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 438.246981][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.246982][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.246983][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.246984][ T9065] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 438.246985][ T9065] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 438.246987][ T9065] console_flush_one_record (kernel/printk/printk.c:3268) [ 438.246990][ T9065] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 438.246992][ T9065] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 438.246994][ T9065] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 438.246996][ T9065] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 438.246997][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.246998][ T9065] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 438.247000][ T9065] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 438.247001][ T9065] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 438.247003][ T9065] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 438.247005][ T9065] ? vprintk_emit (kernel/printk/printk.c:2478) [ 438.247006][ T9065] vprintk_emit (kernel/printk/printk.c:2479) [ 438.247008][ T9065] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 438.247009][ T9065] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 438.247012][ T9065] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 438.247015][ T9065] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 438.247017][ T9065] _printk (kernel/printk/printk.c:2504) [ 438.247020][ T9065] ? snapshot_read.cold (user.c:?) [ 438.247022][ T9065] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 438.247024][ T9065] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 438.247027][ T9065] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 438.247029][ T9065] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 438.247032][ T9065] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 438.247034][ T9065] ? netdev_notice (net/core/dev.c:13194) [ 438.247036][ T9065] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 438.247038][ T9065] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 438.247040][ T9065] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 438.247042][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247043][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247044][ T9065] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 438.247045][ T9065] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 438.247047][ T9065] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 438.247048][ T9065] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 438.247049][ T9065] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 438.247051][ T9065] ? register_netdev (net/core/dev.c:11618) [ 438.247052][ T9065] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 438.247054][ T9065] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 438.247057][ T9065] ? __kernel_text_address (kernel/extable.c:79) [ 438.247060][ T9065] ? write_profile (profile.c:?) [ 438.247063][ T9065] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 438.247066][ T9065] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 438.247068][ T9065] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 438.247069][ T9065] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 438.247071][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247072][ T9065] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 438.247075][ T9065] ? kasan_save_stack (mm/kasan/common.c:58) [ 438.247077][ T9065] ? kasan_save_stack (mm/kasan/common.c:57) [ 438.247078][ T9065] ? kasan_save_track (mm/kasan/common.c:78) [ 438.247079][ T9065] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 438.247080][ T9065] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 438.247081][ T9065] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 438.247082][ T9065] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 438.247084][ T9065] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 438.247086][ T9065] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 438.247088][ T9065] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 438.247089][ T9065] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 438.247092][ T9065] ? ____sys_sendmsg (net/socket.c:2713) [ 438.247093][ T9065] ? ___sys_sendmsg (net/socket.c:2767) [ 438.247094][ T9065] ? __sys_sendmsg (net/socket.c:2799) [ 438.247096][ T9065] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 438.247098][ T9065] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 438.247101][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247102][ T9065] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 438.247104][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247105][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247106][ T9065] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 438.247107][ T9065] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 438.247108][ T9065] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 438.247109][ T9065] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 438.247111][ T9065] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 438.247112][ T9065] ? nla_get_range_signed (lib/nlattr.c:270) [ 438.247115][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247117][ T9065] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 438.247119][ T9065] rtnl_newlink (net/core/rtnetlink.c:4215) [ 438.247121][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247122][ T9065] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 438.247123][ T9065] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 438.247125][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247126][ T9065] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 438.247129][ T9065] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 438.247130][ T9065] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 438.247131][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247132][ T9065] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 438.247135][ T9065] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 438.247138][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247139][ T9065] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 438.247141][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247142][ T9065] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 438.247143][ T9065] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 438.247145][ T9065] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 438.247146][ T9065] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 438.247148][ T9065] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 438.247150][ T9065] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 438.247152][ T9065] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 438.247153][ T9065] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 438.247155][ T9065] ? netlink_ack (./include/linux/skbuff.h:2718) [ 438.247157][ T9065] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 438.247160][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247161][ T9065] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 438.247163][ T9065] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 438.247167][ T9065] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 438.247169][ T9065] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 438.247171][ T9065] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 438.247173][ T9065] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 438.247175][ T9065] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 438.247176][ T9065] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 438.247178][ T9065] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 438.247181][ T9065] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 438.247183][ T9065] ____sys_sendmsg (net/socket.c:2713) [ 438.247185][ T9065] ? copy_msghdr_from_user (net/socket.c:2650) [ 438.247186][ T9065] ? sock_write_iter (net/socket.c:1269) [ 438.247188][ T9065] ? move_addr_to_kernel (net/socket.c:258) [ 438.247189][ T9065] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 438.247192][ T9065] ___sys_sendmsg (net/socket.c:2767) [ 438.247194][ T9065] ? copy_msghdr_from_user (net/socket.c:2619) [ 438.247198][ T9065] __sys_sendmsg (net/socket.c:2799) [ 438.247200][ T9065] ? __sys_sendmsg_sock (net/socket.c:2780) [ 438.247203][ T9065] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 438.247205][ T9065] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 438.247206][ T9065] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 438.247208][ T9065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 438.247210][ T9065] RIP: 0033:0x7fe14cf5254e [ 438.247212][ T9065] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 438.247213][ T9065] RSP: 002b:00007ffd9cc2ebb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 438.247217][ T9065] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe14cf5254e [ 438.247219][ T9065] RDX: 0000000000000000 RSI: 00007ffd9cc2ec60 RDI: 0000000000000005 [ 438.247220][ T9065] RBP: 00007ffd9cc2ebc0 R08: 0000000000000000 R09: 0000000000000000 [ 438.247220][ T9065] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913aef [ 438.247221][ T9065] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9cc2f320 | [ 439.292391][ T9115] softirqs last disabled at (0): 0x0 | [ 439.292392][ T9115] Preemption disabled at: | [ 439.292393][ T9115] vprintk_emit (kernel/printk/printk.c:2471) | [ 439.292404][ T9115] Tainted: [W]=WARN [ 439.292405][ T9115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 439.292407][ T9115] Call Trace: [ 439.292408][ T9115] [ 439.292409][ T9115] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 439.292415][ T9115] ? vprintk_emit (kernel/printk/printk.c:2471) [ 439.292416][ T9115] __might_resched.cold (kernel/sched/core.c:9234) [ 439.292420][ T9115] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 439.292422][ T9115] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 439.292425][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292428][ T9115] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 439.292430][ T9115] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 439.292434][ T9115] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 439.292438][ T9115] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 439.292440][ T9115] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 439.292443][ T9115] put_chars (drivers/char/virtio_console.c:1176) [ 439.292444][ T9115] ? __send_to_port (drivers/char/virtio_console.c:654) [ 439.292446][ T9115] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 439.292449][ T9115] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 439.292453][ T9115] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 439.292455][ T9115] ? vsnprintf (lib/vsprintf.c:2900) [ 439.292458][ T9115] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 439.292460][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292461][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292463][ T9115] console_emit_next_record (kernel/printk/printk.c:3183) [ 439.292465][ T9115] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 439.292468][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292469][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292470][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292471][ T9115] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 439.292473][ T9115] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 439.292475][ T9115] console_flush_one_record (kernel/printk/printk.c:3268) [ 439.292477][ T9115] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 439.292480][ T9115] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 439.292482][ T9115] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 439.292483][ T9115] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 439.292485][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292486][ T9115] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 439.292488][ T9115] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 439.292489][ T9115] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 439.292490][ T9115] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 439.292492][ T9115] ? vprintk_emit (kernel/printk/printk.c:2478) [ 439.292494][ T9115] vprintk_emit (kernel/printk/printk.c:2479) [ 439.292495][ T9115] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 439.292497][ T9115] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 439.292498][ T9115] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 439.292501][ T9115] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 439.292503][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292504][ T9115] _printk (kernel/printk/printk.c:2504) [ 439.292507][ T9115] ? snapshot_read.cold (user.c:?) [ 439.292509][ T9115] ? br_multicast_flood (??:?) [ 439.292513][ T9115] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 439.292515][ T9115] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 439.292516][ T9115] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 439.292518][ T9115] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 439.292521][ T9115] br_init_port (net/bridge/br_stp_if.c:39) [ 439.292523][ T9115] new_nbp (net/bridge/br_if.c:449) [ 439.292525][ T9115] br_add_if (net/bridge/br_if.c:592) [ 439.292527][ T9115] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 439.292531][ T9115] do_set_master (net/core/rtnetlink.c:3071) [ 439.292533][ T9115] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 439.292534][ T9115] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 439.292536][ T9115] ? __dev_get_by_name (net/core/dev.c:905) [ 439.292537][ T9115] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 439.292541][ T9115] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 439.292544][ T9115] rtnl_newlink (net/core/rtnetlink.c:4215) [ 439.292546][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292547][ T9115] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 439.292548][ T9115] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 439.292550][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292551][ T9115] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 439.292553][ T9115] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 439.292555][ T9115] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 439.292558][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292559][ T9115] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 439.292560][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292561][ T9115] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 439.292563][ T9115] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 439.292564][ T9115] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 439.292566][ T9115] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 439.292567][ T9115] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 439.292571][ T9115] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 439.292574][ T9115] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 439.292575][ T9115] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 439.292577][ T9115] ? netlink_ack (./include/linux/skbuff.h:2718) [ 439.292578][ T9115] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 439.292582][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292583][ T9115] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 439.292585][ T9115] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 439.292587][ T9115] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 439.292589][ T9115] ? next_uptodate_folio (mm/filemap.c:3747) [ 439.292592][ T9115] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 439.292594][ T9115] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 439.292596][ T9115] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 439.292598][ T9115] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 439.292601][ T9115] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 439.292604][ T9115] ____sys_sendmsg (net/socket.c:2713) [ 439.292606][ T9115] ? copy_msghdr_from_user (net/socket.c:2650) [ 439.292608][ T9115] ? sock_write_iter (net/socket.c:1269) [ 439.292609][ T9115] ? move_addr_to_kernel (net/socket.c:258) [ 439.292611][ T9115] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 439.292614][ T9115] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 439.292616][ T9115] ___sys_sendmsg (net/socket.c:2767) [ 439.292620][ T9115] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 439.292621][ T9115] ? copy_msghdr_from_user (net/socket.c:2619) [ 439.292623][ T9115] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 439.292628][ T9115] __sys_sendmsg (net/socket.c:2799) [ 439.292630][ T9115] ? __sys_sendmsg_sock (net/socket.c:2780) [ 439.292633][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292634][ T9115] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 439.292635][ T9115] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 439.292638][ T9115] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 439.292640][ T9115] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 439.292642][ T9115] RIP: 0033:0x7fd56086c54e [ 439.292644][ T9115] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 439.292646][ T9115] RSP: 002b:00007fffe3e21450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 439.292649][ T9115] RAX: ffffffffffffffda RBX: 00007fffe3e21c18 RCX: 00007fd56086c54e [ 439.292651][ T9115] RDX: 0000000000000000 RSI: 00007fffe3e21500 RDI: 0000000000000005 [ 439.292652][ T9115] RBP: 00007fffe3e21460 R08: 0000000000000000 R09: 0000000000000000 [ 439.292653][ T9115] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913af0 [ 439.292654][ T9115] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe3e21bd0 | [ 447.036998][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 447.037001][ T12] Preemption disabled at: | [ 447.037001][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 447.037013][ T12] Tainted: [W]=WARN [ 447.037014][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 447.037015][ T12] Workqueue: netns cleanup_net [ 447.037021][ T12] Call Trace: [ 447.037023][ T12] [ 447.037025][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 447.037030][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 447.037032][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 447.037035][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 447.037037][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 447.037041][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037043][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 447.037046][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 447.037049][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 447.037054][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 447.037056][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 447.037058][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 447.037060][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 447.037062][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 447.037064][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 447.037069][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 447.037071][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 447.037073][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 447.037075][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037076][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037078][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 447.037081][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 447.037083][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037084][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037085][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037086][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.037089][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 447.037090][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 447.037093][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 447.037095][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 447.037097][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.037099][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 447.037101][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037102][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 447.037103][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 447.037105][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 447.037106][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 447.037108][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 447.037109][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 447.037111][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 447.037113][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 447.037114][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 447.037117][ T12] ? kthread (kernel/kthread.c:436) [ 447.037119][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 447.037122][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 447.037125][ T12] _printk (kernel/printk/printk.c:2504) [ 447.037128][ T12] ? snapshot_read.cold (user.c:?) [ 447.037130][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 447.037134][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 447.037136][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 447.037138][ T12] ? netdev_notice (net/core/dev.c:13194) [ 447.037141][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037142][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 447.037143][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 447.037146][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 447.037148][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 447.037149][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 447.037151][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 447.037154][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 447.037158][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 447.037160][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 447.037167][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 447.037169][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 447.037171][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 447.037174][ T12] cleanup_net (net/core/net_namespace.c:706) [ 447.037176][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 447.037177][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 447.037180][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.037182][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.037183][ T12] process_one_work (kernel/workqueue.c:3387) [ 447.037186][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 447.037189][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 447.037192][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 447.037195][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 447.037197][ T12] kthread (kernel/kthread.c:436) [ 447.037198][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 447.037200][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 447.037202][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 447.037204][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 447.037206][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 447.037209][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 447.037211][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 448.255301][ T9335] softirqs last disabled at (0): 0x0 | [ 448.255303][ T9335] Preemption disabled at: | [ 448.255303][ T9335] vprintk_emit (kernel/printk/printk.c:2471) | [ 448.255314][ T9335] Tainted: [W]=WARN [ 448.255315][ T9335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 448.255316][ T9335] Call Trace: [ 448.255318][ T9335] [ 448.255319][ T9335] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 448.255325][ T9335] ? vprintk_emit (kernel/printk/printk.c:2471) [ 448.255326][ T9335] __might_resched.cold (kernel/sched/core.c:9234) [ 448.255329][ T9335] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 448.255332][ T9335] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 448.255335][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255338][ T9335] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 448.255341][ T9335] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 448.255344][ T9335] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 448.255349][ T9335] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 448.255351][ T9335] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 448.255353][ T9335] put_chars (drivers/char/virtio_console.c:1176) [ 448.255355][ T9335] ? __send_to_port (drivers/char/virtio_console.c:654) [ 448.255357][ T9335] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 448.255360][ T9335] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 448.255365][ T9335] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 448.255366][ T9335] ? vsnprintf (lib/vsprintf.c:2900) [ 448.255370][ T9335] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 448.255372][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255373][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255374][ T9335] console_emit_next_record (kernel/printk/printk.c:3183) [ 448.255377][ T9335] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 448.255379][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255380][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255381][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255382][ T9335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.255385][ T9335] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 448.255386][ T9335] console_flush_one_record (kernel/printk/printk.c:3268) [ 448.255389][ T9335] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 448.255392][ T9335] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 448.255394][ T9335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.255395][ T9335] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 448.255402][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255403][ T9335] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 448.255405][ T9335] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 448.255406][ T9335] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 448.255408][ T9335] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 448.255410][ T9335] ? vprintk_emit (kernel/printk/printk.c:2478) [ 448.255411][ T9335] vprintk_emit (kernel/printk/printk.c:2479) [ 448.255413][ T9335] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 448.255414][ T9335] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 448.255416][ T9335] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 448.255419][ T9335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.255421][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255422][ T9335] _printk (kernel/printk/printk.c:2504) [ 448.255425][ T9335] ? snapshot_read.cold (user.c:?) [ 448.255427][ T9335] ? br_multicast_flood (??:?) [ 448.255431][ T9335] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 448.255434][ T9335] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 448.255435][ T9335] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 448.255437][ T9335] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 448.255440][ T9335] br_init_port (net/bridge/br_stp_if.c:39) [ 448.255441][ T9335] new_nbp (net/bridge/br_if.c:449) [ 448.255444][ T9335] br_add_if (net/bridge/br_if.c:592) [ 448.255445][ T9335] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 448.255449][ T9335] do_set_master (net/core/rtnetlink.c:3071) [ 448.255451][ T9335] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 448.255453][ T9335] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 448.255454][ T9335] ? __dev_get_by_name (net/core/dev.c:905) [ 448.255456][ T9335] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 448.255460][ T9335] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 448.255462][ T9335] rtnl_newlink (net/core/rtnetlink.c:4215) [ 448.255464][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255466][ T9335] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 448.255467][ T9335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.255468][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255470][ T9335] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 448.255473][ T9335] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 448.255475][ T9335] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 448.255477][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255478][ T9335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.255480][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255481][ T9335] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 448.255482][ T9335] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 448.255484][ T9335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 448.255485][ T9335] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 448.255487][ T9335] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 448.255490][ T9335] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 448.255494][ T9335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 448.255495][ T9335] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 448.255497][ T9335] ? netlink_ack (./include/linux/skbuff.h:2718) [ 448.255498][ T9335] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 448.255501][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255502][ T9335] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 448.255504][ T9335] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 448.255506][ T9335] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 448.255508][ T9335] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 448.255511][ T9335] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 448.255514][ T9335] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 448.255516][ T9335] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 448.255518][ T9335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.255519][ T9335] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 448.255523][ T9335] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 448.255526][ T9335] ____sys_sendmsg (net/socket.c:2713) [ 448.255528][ T9335] ? copy_msghdr_from_user (net/socket.c:2650) [ 448.255529][ T9335] ? sock_write_iter (net/socket.c:1269) [ 448.255531][ T9335] ? move_addr_to_kernel (net/socket.c:258) [ 448.255533][ T9335] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 448.255536][ T9335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.255538][ T9335] ___sys_sendmsg (net/socket.c:2767) [ 448.255539][ T9335] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 448.255541][ T9335] ? copy_msghdr_from_user (net/socket.c:2619) [ 448.255543][ T9335] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 448.255547][ T9335] __sys_sendmsg (net/socket.c:2799) [ 448.255549][ T9335] ? __sys_sendmsg_sock (net/socket.c:2780) [ 448.255552][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255553][ T9335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.255554][ T9335] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 448.255557][ T9335] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 448.255559][ T9335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 448.255561][ T9335] RIP: 0033:0x7f56f6f0f54e [ 448.255563][ T9335] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 448.255565][ T9335] RSP: 002b:00007ffea53fea70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 448.255569][ T9335] RAX: ffffffffffffffda RBX: 00007ffea53ff238 RCX: 00007f56f6f0f54e [ 448.255570][ T9335] RDX: 0000000000000000 RSI: 00007ffea53feb20 RDI: 0000000000000005 [ 448.255571][ T9335] RBP: 00007ffea53fea80 R08: 0000000000000000 R09: 0000000000000000 [ 448.255572][ T9335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913af9 [ 448.255573][ T9335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea53ff1f0 | [ 449.587263][ T9404] softirqs last disabled at (0): 0x0 | [ 449.587265][ T9404] Preemption disabled at: | [ 449.587266][ T9404] vprintk_emit (kernel/printk/printk.c:2471) | [ 449.587276][ T9404] Tainted: [W]=WARN [ 449.587277][ T9404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 449.587279][ T9404] Call Trace: [ 449.587280][ T9404] [ 449.587281][ T9404] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 449.587287][ T9404] ? vprintk_emit (kernel/printk/printk.c:2471) [ 449.587288][ T9404] __might_resched.cold (kernel/sched/core.c:9234) [ 449.587292][ T9404] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 449.587295][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587298][ T9404] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 449.587301][ T9404] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 449.587304][ T9404] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 449.587310][ T9404] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 449.587311][ T9404] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 449.587314][ T9404] put_chars (drivers/char/virtio_console.c:1176) [ 449.587316][ T9404] ? __send_to_port (drivers/char/virtio_console.c:654) [ 449.587317][ T9404] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 449.587319][ T9404] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 449.587322][ T9404] ? pointer (lib/vsprintf.c:2577) [ 449.587325][ T9404] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 449.587330][ T9404] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 449.587332][ T9404] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 449.587334][ T9404] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.587337][ T9404] console_emit_next_record (kernel/printk/printk.c:3183) [ 449.587339][ T9404] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 449.587341][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587343][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587344][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587345][ T9404] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.587347][ T9404] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 449.587348][ T9404] console_flush_one_record (kernel/printk/printk.c:3268) [ 449.587351][ T9404] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 449.587354][ T9404] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 449.587355][ T9404] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.587357][ T9404] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 449.587359][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587360][ T9404] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 449.587362][ T9404] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 449.587363][ T9404] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 449.587365][ T9404] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 449.587367][ T9404] ? vprintk_emit (kernel/printk/printk.c:2478) [ 449.587368][ T9404] vprintk_emit (kernel/printk/printk.c:2479) [ 449.587370][ T9404] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 449.587371][ T9404] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 449.587373][ T9404] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 449.587377][ T9404] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 449.587379][ T9404] _printk (kernel/printk/printk.c:2504) [ 449.587382][ T9404] ? snapshot_read.cold (user.c:?) [ 449.587384][ T9404] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 449.587386][ T9404] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 449.587389][ T9404] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 449.587391][ T9404] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 449.587394][ T9404] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 449.587397][ T9404] ? netdev_notice (net/core/dev.c:13194) [ 449.587399][ T9404] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 449.587404][ T9404] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 449.587407][ T9404] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 449.587408][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587409][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587410][ T9404] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 449.587412][ T9404] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 449.587414][ T9404] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 449.587415][ T9404] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 449.587417][ T9404] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 449.587418][ T9404] ? register_netdev (net/core/dev.c:11618) [ 449.587420][ T9404] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 449.587422][ T9404] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 449.587425][ T9404] ? __kernel_text_address (kernel/extable.c:79) [ 449.587427][ T9404] ? write_profile (profile.c:?) [ 449.587430][ T9404] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 449.587434][ T9404] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 449.587436][ T9404] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 449.587437][ T9404] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 449.587439][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587440][ T9404] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 449.587443][ T9404] ? kasan_save_stack (mm/kasan/common.c:58) [ 449.587445][ T9404] ? kasan_save_stack (mm/kasan/common.c:57) [ 449.587446][ T9404] ? kasan_save_track (mm/kasan/common.c:78) [ 449.587448][ T9404] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 449.587449][ T9404] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 449.587450][ T9404] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 449.587451][ T9404] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 449.587452][ T9404] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 449.587455][ T9404] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 449.587457][ T9404] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 449.587458][ T9404] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 449.587461][ T9404] ? ____sys_sendmsg (net/socket.c:2713) [ 449.587462][ T9404] ? ___sys_sendmsg (net/socket.c:2767) [ 449.587464][ T9404] ? __sys_sendmsg (net/socket.c:2799) [ 449.587466][ T9404] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 449.587468][ T9404] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 449.587471][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587472][ T9404] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.587473][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587474][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587475][ T9404] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 449.587477][ T9404] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 449.587478][ T9404] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 449.587479][ T9404] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 449.587481][ T9404] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 449.587482][ T9404] ? nla_get_range_signed (lib/nlattr.c:270) [ 449.587485][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587486][ T9404] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 449.587488][ T9404] rtnl_newlink (net/core/rtnetlink.c:4215) [ 449.587490][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587491][ T9404] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 449.587493][ T9404] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.587494][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587496][ T9404] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 449.587498][ T9404] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 449.587499][ T9404] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 449.587501][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587502][ T9404] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 449.587505][ T9404] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 449.587507][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587509][ T9404] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.587510][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587512][ T9404] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 449.587513][ T9404] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 449.587515][ T9404] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 449.587516][ T9404] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 449.587518][ T9404] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 449.587520][ T9404] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 449.587522][ T9404] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 449.587523][ T9404] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 449.587525][ T9404] ? netlink_ack (./include/linux/skbuff.h:2718) [ 449.587527][ T9404] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 449.587530][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587531][ T9404] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 449.587533][ T9404] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 449.587535][ T9404] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 449.587537][ T9404] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 449.587539][ T9404] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 449.587542][ T9404] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 449.587543][ T9404] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 449.587545][ T9404] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.587546][ T9404] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 449.587550][ T9404] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 449.587552][ T9404] ____sys_sendmsg (net/socket.c:2713) [ 449.587554][ T9404] ? copy_msghdr_from_user (net/socket.c:2650) [ 449.587555][ T9404] ? sock_write_iter (net/socket.c:1269) [ 449.587557][ T9404] ? move_addr_to_kernel (net/socket.c:258) [ 449.587558][ T9404] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 449.587561][ T9404] ___sys_sendmsg (net/socket.c:2767) [ 449.587563][ T9404] ? copy_msghdr_from_user (net/socket.c:2619) [ 449.587568][ T9404] __sys_sendmsg (net/socket.c:2799) [ 449.587570][ T9404] ? __sys_sendmsg_sock (net/socket.c:2780) [ 449.587573][ T9404] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.587575][ T9404] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 449.587577][ T9404] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 449.587579][ T9404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 449.587580][ T9404] RIP: 0033:0x7f746d02054e [ 449.587582][ T9404] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 449.587584][ T9404] RSP: 002b:00007ffe626a0ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 449.587588][ T9404] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f746d02054e [ 449.587590][ T9404] RDX: 0000000000000000 RSI: 00007ffe626a0c50 RDI: 0000000000000005 [ 449.587591][ T9404] RBP: 00007ffe626a0bb0 R08: 0000000000000000 R09: 0000000000000000 [ 449.587592][ T9404] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913afa [ 449.587593][ T9404] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe626a1310 | [ 450.743694][ T9461] softirqs last disabled at (0): 0x0 | [ 450.743695][ T9461] Preemption disabled at: | [ 450.743696][ T9461] vprintk_emit (kernel/printk/printk.c:2471) | [ 450.743707][ T9461] Tainted: [W]=WARN [ 450.743708][ T9461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 450.743710][ T9461] Call Trace: [ 450.743711][ T9461] [ 450.743713][ T9461] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 450.743718][ T9461] ? vprintk_emit (kernel/printk/printk.c:2471) [ 450.743719][ T9461] __might_resched.cold (kernel/sched/core.c:9234) [ 450.743723][ T9461] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 450.743725][ T9461] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 450.743729][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743731][ T9461] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 450.743734][ T9461] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 450.743737][ T9461] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 450.743742][ T9461] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 450.743744][ T9461] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 450.743747][ T9461] put_chars (drivers/char/virtio_console.c:1176) [ 450.743748][ T9461] ? __send_to_port (drivers/char/virtio_console.c:654) [ 450.743750][ T9461] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 450.743753][ T9461] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 450.743758][ T9461] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 450.743759][ T9461] ? vsnprintf (lib/vsprintf.c:2900) [ 450.743763][ T9461] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 450.743764][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743765][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743767][ T9461] console_emit_next_record (kernel/printk/printk.c:3183) [ 450.743770][ T9461] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 450.743772][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743773][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743774][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743775][ T9461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.743778][ T9461] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 450.743780][ T9461] console_flush_one_record (kernel/printk/printk.c:3268) [ 450.743782][ T9461] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 450.743785][ T9461] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 450.743787][ T9461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.743788][ T9461] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 450.743790][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743791][ T9461] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 450.743793][ T9461] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 450.743794][ T9461] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 450.743796][ T9461] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 450.743798][ T9461] ? vprintk_emit (kernel/printk/printk.c:2478) [ 450.743799][ T9461] vprintk_emit (kernel/printk/printk.c:2479) [ 450.743801][ T9461] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 450.743802][ T9461] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 450.743804][ T9461] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 450.743806][ T9461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.743808][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743809][ T9461] _printk (kernel/printk/printk.c:2504) [ 450.743813][ T9461] ? snapshot_read.cold (user.c:?) [ 450.743815][ T9461] ? br_multicast_flood (??:?) [ 450.743818][ T9461] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 450.743821][ T9461] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 450.743822][ T9461] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 450.743824][ T9461] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 450.743827][ T9461] br_init_port (net/bridge/br_stp_if.c:39) [ 450.743829][ T9461] new_nbp (net/bridge/br_if.c:449) [ 450.743831][ T9461] br_add_if (net/bridge/br_if.c:592) [ 450.743833][ T9461] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 450.743837][ T9461] do_set_master (net/core/rtnetlink.c:3071) [ 450.743838][ T9461] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 450.743840][ T9461] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 450.743841][ T9461] ? __dev_get_by_name (net/core/dev.c:905) [ 450.743843][ T9461] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 450.743847][ T9461] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 450.743849][ T9461] rtnl_newlink (net/core/rtnetlink.c:4215) [ 450.743851][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743853][ T9461] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 450.743854][ T9461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.743855][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743857][ T9461] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 450.743859][ T9461] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 450.743861][ T9461] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 450.743863][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743865][ T9461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.743866][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743867][ T9461] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 450.743869][ T9461] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 450.743871][ T9461] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 450.743872][ T9461] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 450.743873][ T9461] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 450.743877][ T9461] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 450.743880][ T9461] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 450.743881][ T9461] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 450.743883][ T9461] ? netlink_ack (./include/linux/skbuff.h:2718) [ 450.743885][ T9461] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 450.743888][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743889][ T9461] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 450.743891][ T9461] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 450.743893][ T9461] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 450.743895][ T9461] ? next_uptodate_folio (mm/filemap.c:3747) [ 450.743898][ T9461] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 450.743900][ T9461] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 450.743902][ T9461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.743904][ T9461] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 450.743907][ T9461] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 450.743910][ T9461] ____sys_sendmsg (net/socket.c:2713) [ 450.743912][ T9461] ? copy_msghdr_from_user (net/socket.c:2650) [ 450.743913][ T9461] ? sock_write_iter (net/socket.c:1269) [ 450.743915][ T9461] ? move_addr_to_kernel (net/socket.c:258) [ 450.743917][ T9461] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 450.743919][ T9461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.743921][ T9461] ___sys_sendmsg (net/socket.c:2767) [ 450.743923][ T9461] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 450.743925][ T9461] ? copy_msghdr_from_user (net/socket.c:2619) [ 450.743926][ T9461] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 450.743931][ T9461] __sys_sendmsg (net/socket.c:2799) [ 450.743933][ T9461] ? __sys_sendmsg_sock (net/socket.c:2780) [ 450.743936][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743937][ T9461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.743938][ T9461] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 450.743941][ T9461] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 450.743943][ T9461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 450.743945][ T9461] RIP: 0033:0x7fc51c92954e [ 450.743947][ T9461] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 450.743948][ T9461] RSP: 002b:00007ffc6e79c110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 450.743952][ T9461] RAX: ffffffffffffffda RBX: 00007ffc6e79c8d8 RCX: 00007fc51c92954e [ 450.743953][ T9461] RDX: 0000000000000000 RSI: 00007ffc6e79c1c0 RDI: 0000000000000005 [ 450.743954][ T9461] RBP: 00007ffc6e79c120 R08: 0000000000000000 R09: 0000000000000000 [ 450.743955][ T9461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913afc [ 450.743956][ T9461] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6e79c890 | [ 458.525663][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 458.525665][ T12] Preemption disabled at: | [ 458.525665][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 458.525676][ T12] Tainted: [W]=WARN [ 458.525677][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 458.525679][ T12] Workqueue: netns cleanup_net [ 458.525685][ T12] Call Trace: [ 458.525687][ T12] [ 458.525688][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 458.525694][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 458.525695][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 458.525699][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 458.525701][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 458.525704][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525706][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 458.525709][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.525712][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 458.525717][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 458.525719][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 458.525721][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 458.525723][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 458.525725][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 458.525727][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 458.525732][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 458.525734][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 458.525736][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.525738][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525739][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525741][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 458.525744][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 458.525746][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525747][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525748][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525749][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.525752][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 458.525754][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 458.525756][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 458.525759][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 458.525760][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.525762][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 458.525764][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525765][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.525766][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 458.525768][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 458.525769][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 458.525771][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 458.525773][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 458.525775][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 458.525776][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 458.525778][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 458.525781][ T12] ? kthread (kernel/kthread.c:436) [ 458.525783][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 458.525786][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 458.525788][ T12] _printk (kernel/printk/printk.c:2504) [ 458.525791][ T12] ? snapshot_read.cold (user.c:?) [ 458.525794][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 458.525797][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 458.525799][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 458.525801][ T12] ? netdev_notice (net/core/dev.c:13194) [ 458.525803][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525805][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 458.525806][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 458.525809][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 458.525811][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 458.525812][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 458.525814][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 458.525817][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 458.525821][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 458.525823][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 458.525825][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 458.525828][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 458.525829][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 458.525832][ T12] cleanup_net (net/core/net_namespace.c:706) [ 458.525834][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 458.525836][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525837][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.525839][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.525840][ T12] process_one_work (kernel/workqueue.c:3387) [ 458.525843][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 458.525846][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.525848][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 458.525851][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 458.525853][ T12] kthread (kernel/kthread.c:436) [ 458.525855][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 458.525857][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 458.525858][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 458.525860][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 458.525862][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 458.525865][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 458.525867][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 459.777205][ T9681] softirqs last disabled at (0): 0x0 | [ 459.777207][ T9681] Preemption disabled at: | [ 459.777208][ T9681] vprintk_emit (kernel/printk/printk.c:2471) | [ 459.777218][ T9681] Tainted: [W]=WARN [ 459.777219][ T9681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 459.777221][ T9681] Call Trace: [ 459.777223][ T9681] [ 459.777224][ T9681] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 459.777230][ T9681] ? vprintk_emit (kernel/printk/printk.c:2471) [ 459.777231][ T9681] __might_resched.cold (kernel/sched/core.c:9234) [ 459.777235][ T9681] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 459.777238][ T9681] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 459.777241][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777243][ T9681] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 459.777246][ T9681] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 459.777249][ T9681] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 459.777255][ T9681] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 459.777257][ T9681] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 459.777259][ T9681] put_chars (drivers/char/virtio_console.c:1176) [ 459.777261][ T9681] ? __send_to_port (drivers/char/virtio_console.c:654) [ 459.777263][ T9681] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 459.777266][ T9681] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 459.777271][ T9681] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 459.777272][ T9681] ? vsnprintf (lib/vsprintf.c:2900) [ 459.777276][ T9681] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 459.777278][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777279][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777280][ T9681] console_emit_next_record (kernel/printk/printk.c:3183) [ 459.777283][ T9681] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 459.777286][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777287][ T9681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.777290][ T9681] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 459.777292][ T9681] console_flush_one_record (kernel/printk/printk.c:3268) [ 459.777294][ T9681] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 459.777297][ T9681] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 459.777299][ T9681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.777301][ T9681] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 459.777303][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777304][ T9681] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 459.777305][ T9681] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 459.777307][ T9681] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 459.777308][ T9681] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 459.777311][ T9681] ? vprintk_emit (kernel/printk/printk.c:2478) [ 459.777312][ T9681] vprintk_emit (kernel/printk/printk.c:2479) [ 459.777314][ T9681] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 459.777315][ T9681] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 459.777317][ T9681] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 459.777320][ T9681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.777321][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777323][ T9681] _printk (kernel/printk/printk.c:2504) [ 459.777326][ T9681] ? snapshot_read.cold (user.c:?) [ 459.777329][ T9681] ? br_multicast_flood (??:?) [ 459.777332][ T9681] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 459.777335][ T9681] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 459.777336][ T9681] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 459.777338][ T9681] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 459.777341][ T9681] br_init_port (net/bridge/br_stp_if.c:39) [ 459.777343][ T9681] new_nbp (net/bridge/br_if.c:449) [ 459.777345][ T9681] br_add_if (net/bridge/br_if.c:592) [ 459.777347][ T9681] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 459.777351][ T9681] do_set_master (net/core/rtnetlink.c:3071) [ 459.777353][ T9681] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 459.777355][ T9681] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 459.777356][ T9681] ? __dev_get_by_name (net/core/dev.c:905) [ 459.777358][ T9681] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 459.777362][ T9681] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 459.777365][ T9681] rtnl_newlink (net/core/rtnetlink.c:4215) [ 459.777367][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777368][ T9681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 459.777369][ T9681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.777371][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777372][ T9681] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 459.777375][ T9681] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 459.777377][ T9681] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 459.777379][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777380][ T9681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.777382][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777383][ T9681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 459.777385][ T9681] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 459.777387][ T9681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 459.777388][ T9681] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 459.777390][ T9681] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 459.777393][ T9681] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 459.777396][ T9681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 459.777398][ T9681] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 459.777400][ T9681] ? netlink_ack (./include/linux/skbuff.h:2718) [ 459.777401][ T9681] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 459.777404][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777406][ T9681] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 459.777408][ T9681] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 459.777410][ T9681] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 459.777412][ T9681] ? next_uptodate_folio (mm/filemap.c:3747) [ 459.777416][ T9681] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 459.777418][ T9681] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 459.777420][ T9681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.777422][ T9681] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 459.777425][ T9681] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 459.777428][ T9681] ____sys_sendmsg (net/socket.c:2713) [ 459.777430][ T9681] ? copy_msghdr_from_user (net/socket.c:2650) [ 459.777432][ T9681] ? sock_write_iter (net/socket.c:1269) [ 459.777434][ T9681] ? move_addr_to_kernel (net/socket.c:258) [ 459.777436][ T9681] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 459.777442][ T9681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.777444][ T9681] ___sys_sendmsg (net/socket.c:2767) [ 459.777445][ T9681] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 459.777447][ T9681] ? copy_msghdr_from_user (net/socket.c:2619) [ 459.777449][ T9681] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 459.777454][ T9681] __sys_sendmsg (net/socket.c:2799) [ 459.777456][ T9681] ? __sys_sendmsg_sock (net/socket.c:2780) [ 459.777459][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777460][ T9681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.777462][ T9681] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 459.777465][ T9681] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 459.777467][ T9681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 459.777469][ T9681] RIP: 0033:0x7f3f4613d54e [ 459.777471][ T9681] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 459.777473][ T9681] RSP: 002b:00007ffd52990890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 459.777477][ T9681] RAX: ffffffffffffffda RBX: 00007ffd52991058 RCX: 00007f3f4613d54e [ 459.777478][ T9681] RDX: 0000000000000000 RSI: 00007ffd52990940 RDI: 0000000000000005 [ 459.777479][ T9681] RBP: 00007ffd529908a0 R08: 0000000000000000 R09: 0000000000000000 [ 459.777480][ T9681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b05 [ 459.777481][ T9681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd52991010 | [ 461.117742][ T9750] softirqs last disabled at (0): 0x0 | [ 461.117744][ T9750] Preemption disabled at: | [ 461.117745][ T9750] vprintk_emit (kernel/printk/printk.c:2471) | [ 461.117755][ T9750] Tainted: [W]=WARN [ 461.117756][ T9750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 461.117758][ T9750] Call Trace: [ 461.117760][ T9750] [ 461.117761][ T9750] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 461.117766][ T9750] ? vprintk_emit (kernel/printk/printk.c:2471) [ 461.117768][ T9750] __might_resched.cold (kernel/sched/core.c:9234) [ 461.117772][ T9750] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 461.117775][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117778][ T9750] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 461.117781][ T9750] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 461.117785][ T9750] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 461.117790][ T9750] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 461.117792][ T9750] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 461.117794][ T9750] put_chars (drivers/char/virtio_console.c:1176) [ 461.117796][ T9750] ? __send_to_port (drivers/char/virtio_console.c:654) [ 461.117798][ T9750] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 461.117800][ T9750] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 461.117802][ T9750] ? pointer (lib/vsprintf.c:2577) [ 461.117806][ T9750] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 461.117812][ T9750] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 461.117814][ T9750] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 461.117816][ T9750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 461.117818][ T9750] console_emit_next_record (kernel/printk/printk.c:3183) [ 461.117822][ T9750] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 461.117824][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117825][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117826][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117827][ T9750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 461.117830][ T9750] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 461.117832][ T9750] console_flush_one_record (kernel/printk/printk.c:3268) [ 461.117835][ T9750] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 461.117838][ T9750] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 461.117840][ T9750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 461.117842][ T9750] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 461.117844][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117845][ T9750] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 461.117847][ T9750] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 461.117848][ T9750] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 461.117850][ T9750] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 461.117852][ T9750] ? vprintk_emit (kernel/printk/printk.c:2478) [ 461.117854][ T9750] vprintk_emit (kernel/printk/printk.c:2479) [ 461.117856][ T9750] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 461.117857][ T9750] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 461.117860][ T9750] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 461.117863][ T9750] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 461.117866][ T9750] _printk (kernel/printk/printk.c:2504) [ 461.117869][ T9750] ? snapshot_read.cold (user.c:?) [ 461.117871][ T9750] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 461.117874][ T9750] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 461.117877][ T9750] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 461.117880][ T9750] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 461.117883][ T9750] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 461.117886][ T9750] ? netdev_notice (net/core/dev.c:13194) [ 461.117888][ T9750] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 461.117890][ T9750] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 461.117893][ T9750] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 461.117895][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117896][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117897][ T9750] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 461.117898][ T9750] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 461.117900][ T9750] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 461.117902][ T9750] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 461.117903][ T9750] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 461.117905][ T9750] ? register_netdev (net/core/dev.c:11618) [ 461.117906][ T9750] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 461.117909][ T9750] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 461.117912][ T9750] ? __kernel_text_address (kernel/extable.c:79) [ 461.117915][ T9750] ? write_profile (profile.c:?) [ 461.117918][ T9750] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 461.117921][ T9750] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 461.117923][ T9750] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 461.117925][ T9750] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 461.117926][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117928][ T9750] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 461.117931][ T9750] ? kasan_save_stack (mm/kasan/common.c:58) [ 461.117933][ T9750] ? kasan_save_stack (mm/kasan/common.c:57) [ 461.117934][ T9750] ? kasan_save_track (mm/kasan/common.c:78) [ 461.117936][ T9750] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 461.117937][ T9750] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 461.117938][ T9750] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 461.117939][ T9750] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 461.117941][ T9750] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 461.117944][ T9750] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 461.117945][ T9750] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 461.117947][ T9750] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 461.117950][ T9750] ? ____sys_sendmsg (net/socket.c:2713) [ 461.117951][ T9750] ? ___sys_sendmsg (net/socket.c:2767) [ 461.117953][ T9750] ? __sys_sendmsg (net/socket.c:2799) [ 461.117955][ T9750] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 461.117957][ T9750] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 461.117960][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117962][ T9750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 461.117963][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117964][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117966][ T9750] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 461.117968][ T9750] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 461.117969][ T9750] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 461.117970][ T9750] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 461.117972][ T9750] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 461.117973][ T9750] ? nla_get_range_signed (lib/nlattr.c:270) [ 461.117977][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117979][ T9750] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 461.117981][ T9750] rtnl_newlink (net/core/rtnetlink.c:4215) [ 461.117984][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117985][ T9750] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 461.117987][ T9750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 461.117988][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117990][ T9750] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 461.117993][ T9750] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 461.117994][ T9750] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 461.117996][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.117997][ T9750] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 461.118001][ T9750] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 461.118003][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.118005][ T9750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 461.118006][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.118008][ T9750] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 461.118009][ T9750] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 461.118011][ T9750] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 461.118013][ T9750] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 461.118014][ T9750] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 461.118017][ T9750] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 461.118019][ T9750] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 461.118020][ T9750] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 461.118022][ T9750] ? netlink_ack (./include/linux/skbuff.h:2718) [ 461.118024][ T9750] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 461.118027][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.118028][ T9750] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 461.118031][ T9750] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 461.118033][ T9750] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 461.118035][ T9750] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 461.118037][ T9750] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 461.118040][ T9750] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 461.118042][ T9750] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 461.118044][ T9750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 461.118045][ T9750] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 461.118049][ T9750] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 461.118051][ T9750] ____sys_sendmsg (net/socket.c:2713) [ 461.118053][ T9750] ? copy_msghdr_from_user (net/socket.c:2650) [ 461.118055][ T9750] ? sock_write_iter (net/socket.c:1269) [ 461.118056][ T9750] ? move_addr_to_kernel (net/socket.c:258) [ 461.118058][ T9750] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 461.118061][ T9750] ___sys_sendmsg (net/socket.c:2767) [ 461.118063][ T9750] ? copy_msghdr_from_user (net/socket.c:2619) [ 461.118069][ T9750] __sys_sendmsg (net/socket.c:2799) [ 461.118071][ T9750] ? __sys_sendmsg_sock (net/socket.c:2780) [ 461.118074][ T9750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 461.118076][ T9750] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 461.118078][ T9750] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 461.118081][ T9750] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 461.118082][ T9750] RIP: 0033:0x7fac256ff54e [ 461.118085][ T9750] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 461.118087][ T9750] RSP: 002b:00007ffc0b767910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 461.118091][ T9750] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fac256ff54e [ 461.118093][ T9750] RDX: 0000000000000000 RSI: 00007ffc0b7679c0 RDI: 0000000000000005 [ 461.118094][ T9750] RBP: 00007ffc0b767920 R08: 0000000000000000 R09: 0000000000000000 [ 461.118095][ T9750] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b06 [ 461.118096][ T9750] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0b768080 | [ 462.224786][ T9807] softirqs last disabled at (0): 0x0 | [ 462.224787][ T9807] Preemption disabled at: | [ 462.224788][ T9807] vprintk_emit (kernel/printk/printk.c:2471) | [ 462.224798][ T9807] Tainted: [W]=WARN [ 462.224799][ T9807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 462.224801][ T9807] Call Trace: [ 462.224803][ T9807] [ 462.224804][ T9807] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 462.224809][ T9807] ? vprintk_emit (kernel/printk/printk.c:2471) [ 462.224811][ T9807] __might_resched.cold (kernel/sched/core.c:9234) [ 462.224814][ T9807] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 462.224816][ T9807] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 462.224820][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224822][ T9807] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 462.224825][ T9807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 462.224828][ T9807] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 462.224833][ T9807] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 462.224835][ T9807] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 462.224838][ T9807] put_chars (drivers/char/virtio_console.c:1176) [ 462.224840][ T9807] ? __send_to_port (drivers/char/virtio_console.c:654) [ 462.224841][ T9807] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 462.224844][ T9807] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 462.224849][ T9807] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 462.224850][ T9807] ? vsnprintf (lib/vsprintf.c:2900) [ 462.224853][ T9807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 462.224855][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224856][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224858][ T9807] console_emit_next_record (kernel/printk/printk.c:3183) [ 462.224861][ T9807] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 462.224863][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224864][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224865][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224866][ T9807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 462.224868][ T9807] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 462.224870][ T9807] console_flush_one_record (kernel/printk/printk.c:3268) [ 462.224873][ T9807] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 462.224875][ T9807] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 462.224877][ T9807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 462.224879][ T9807] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 462.224880][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224881][ T9807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 462.224883][ T9807] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 462.224885][ T9807] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 462.224886][ T9807] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 462.224888][ T9807] ? vprintk_emit (kernel/printk/printk.c:2478) [ 462.224889][ T9807] vprintk_emit (kernel/printk/printk.c:2479) [ 462.224891][ T9807] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 462.224892][ T9807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 462.224894][ T9807] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 462.224897][ T9807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 462.224898][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224900][ T9807] _printk (kernel/printk/printk.c:2504) [ 462.224903][ T9807] ? snapshot_read.cold (user.c:?) [ 462.224905][ T9807] ? br_multicast_flood (??:?) [ 462.224908][ T9807] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 462.224911][ T9807] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 462.224912][ T9807] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 462.224914][ T9807] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 462.224917][ T9807] br_init_port (net/bridge/br_stp_if.c:39) [ 462.224919][ T9807] new_nbp (net/bridge/br_if.c:449) [ 462.224921][ T9807] br_add_if (net/bridge/br_if.c:592) [ 462.224923][ T9807] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 462.224927][ T9807] do_set_master (net/core/rtnetlink.c:3071) [ 462.224929][ T9807] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 462.224930][ T9807] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 462.224932][ T9807] ? __dev_get_by_name (net/core/dev.c:905) [ 462.224934][ T9807] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 462.224938][ T9807] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 462.224940][ T9807] rtnl_newlink (net/core/rtnetlink.c:4215) [ 462.224942][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224943][ T9807] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 462.224945][ T9807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 462.224946][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224948][ T9807] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 462.224950][ T9807] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 462.224952][ T9807] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 462.224954][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224956][ T9807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 462.224957][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224959][ T9807] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 462.224960][ T9807] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 462.224962][ T9807] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 462.224963][ T9807] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 462.224965][ T9807] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 462.224968][ T9807] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 462.224971][ T9807] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 462.224972][ T9807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 462.224974][ T9807] ? netlink_ack (./include/linux/skbuff.h:2718) [ 462.224976][ T9807] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 462.224979][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.224980][ T9807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 462.224982][ T9807] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 462.224984][ T9807] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 462.224986][ T9807] ? next_uptodate_folio (mm/filemap.c:3747) [ 462.224989][ T9807] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 462.224991][ T9807] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 462.224993][ T9807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 462.224995][ T9807] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 462.224998][ T9807] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 462.225001][ T9807] ____sys_sendmsg (net/socket.c:2713) [ 462.225003][ T9807] ? copy_msghdr_from_user (net/socket.c:2650) [ 462.225004][ T9807] ? sock_write_iter (net/socket.c:1269) [ 462.225006][ T9807] ? move_addr_to_kernel (net/socket.c:258) [ 462.225008][ T9807] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 462.225011][ T9807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 462.225013][ T9807] ___sys_sendmsg (net/socket.c:2767) [ 462.225014][ T9807] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 462.225016][ T9807] ? copy_msghdr_from_user (net/socket.c:2619) [ 462.225018][ T9807] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 462.225022][ T9807] __sys_sendmsg (net/socket.c:2799) [ 462.225025][ T9807] ? __sys_sendmsg_sock (net/socket.c:2780) [ 462.225027][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.225028][ T9807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 462.225030][ T9807] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 462.225032][ T9807] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 462.225034][ T9807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 462.225037][ T9807] RIP: 0033:0x7fe119bd854e [ 462.225039][ T9807] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 462.225041][ T9807] RSP: 002b:00007ffe81ce5cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 462.225044][ T9807] RAX: ffffffffffffffda RBX: 00007ffe81ce6498 RCX: 00007fe119bd854e [ 462.225046][ T9807] RDX: 0000000000000000 RSI: 00007ffe81ce5d80 RDI: 0000000000000005 [ 462.225047][ T9807] RBP: 00007ffe81ce5ce0 R08: 0000000000000000 R09: 0000000000000000 [ 462.225048][ T9807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b07 [ 462.225049][ T9807] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe81ce6450 | [ 469.001116][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 469.001118][ T12] Preemption disabled at: | [ 469.001119][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 469.001130][ T12] Tainted: [W]=WARN [ 469.001131][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 469.001133][ T12] Workqueue: netns cleanup_net [ 469.001139][ T12] Call Trace: [ 469.001141][ T12] [ 469.001142][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 469.001148][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 469.001149][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 469.001153][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 469.001155][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 469.001158][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001161][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 469.001167][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 469.001171][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 469.001175][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 469.001177][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 469.001180][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 469.001182][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 469.001184][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 469.001186][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 469.001191][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 469.001193][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 469.001196][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 469.001197][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001198][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001200][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 469.001203][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 469.001205][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001206][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001207][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001209][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 469.001211][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 469.001213][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 469.001215][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 469.001218][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 469.001220][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 469.001222][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 469.001224][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001225][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 469.001226][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 469.001228][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 469.001230][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 469.001232][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 469.001233][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 469.001235][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 469.001236][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 469.001238][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 469.001241][ T12] ? kthread (kernel/kthread.c:436) [ 469.001243][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 469.001246][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 469.001249][ T12] _printk (kernel/printk/printk.c:2504) [ 469.001252][ T12] ? snapshot_read.cold (user.c:?) [ 469.001254][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 469.001257][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 469.001259][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 469.001262][ T12] ? netdev_notice (net/core/dev.c:13194) [ 469.001264][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001265][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 469.001267][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 469.001270][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 469.001272][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 469.001273][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 469.001275][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 469.001278][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 469.001282][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 469.001284][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 469.001287][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 469.001289][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 469.001291][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 469.001294][ T12] cleanup_net (net/core/net_namespace.c:706) [ 469.001296][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 469.001298][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 469.001300][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 469.001301][ T12] process_one_work (kernel/workqueue.c:3387) [ 469.001304][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 469.001307][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 469.001310][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 469.001313][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 469.001315][ T12] kthread (kernel/kthread.c:436) [ 469.001316][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 469.001318][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 469.001320][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 469.001322][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 469.001324][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 469.001327][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 469.001329][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 470.182167][ T9970] softirqs last disabled at (0): 0x0 | [ 470.182169][ T9970] Preemption disabled at: | [ 470.182170][ T9970] vprintk_emit (kernel/printk/printk.c:2471) | [ 470.182180][ T9970] Tainted: [W]=WARN [ 470.182181][ T9970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 470.182183][ T9970] Call Trace: [ 470.182185][ T9970] [ 470.182186][ T9970] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 470.182192][ T9970] ? vprintk_emit (kernel/printk/printk.c:2471) [ 470.182193][ T9970] __might_resched.cold (kernel/sched/core.c:9234) [ 470.182197][ T9970] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 470.182199][ T9970] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 470.182202][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182205][ T9970] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 470.182208][ T9970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.182211][ T9970] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 470.182216][ T9970] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 470.182218][ T9970] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 470.182221][ T9970] put_chars (drivers/char/virtio_console.c:1176) [ 470.182222][ T9970] ? __send_to_port (drivers/char/virtio_console.c:654) [ 470.182224][ T9970] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 470.182227][ T9970] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 470.182231][ T9970] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 470.182233][ T9970] ? vsnprintf (lib/vsprintf.c:2900) [ 470.182236][ T9970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.182238][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182239][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182241][ T9970] console_emit_next_record (kernel/printk/printk.c:3183) [ 470.182243][ T9970] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 470.182246][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182247][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182248][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182249][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.182251][ T9970] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 470.182253][ T9970] console_flush_one_record (kernel/printk/printk.c:3268) [ 470.182256][ T9970] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 470.182258][ T9970] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 470.182260][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.182262][ T9970] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 470.182264][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182265][ T9970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.182266][ T9970] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 470.182268][ T9970] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 470.182269][ T9970] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 470.182271][ T9970] ? vprintk_emit (kernel/printk/printk.c:2478) [ 470.182272][ T9970] vprintk_emit (kernel/printk/printk.c:2479) [ 470.182274][ T9970] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 470.182275][ T9970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.182277][ T9970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 470.182280][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.182282][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182283][ T9970] _printk (kernel/printk/printk.c:2504) [ 470.182286][ T9970] ? snapshot_read.cold (user.c:?) [ 470.182288][ T9970] ? br_multicast_flood (??:?) [ 470.182292][ T9970] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 470.182295][ T9970] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 470.182296][ T9970] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 470.182298][ T9970] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 470.182300][ T9970] br_init_port (net/bridge/br_stp_if.c:39) [ 470.182302][ T9970] new_nbp (net/bridge/br_if.c:449) [ 470.182304][ T9970] br_add_if (net/bridge/br_if.c:592) [ 470.182306][ T9970] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 470.182310][ T9970] do_set_master (net/core/rtnetlink.c:3071) [ 470.182312][ T9970] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 470.182314][ T9970] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 470.182315][ T9970] ? __dev_get_by_name (net/core/dev.c:905) [ 470.182317][ T9970] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 470.182321][ T9970] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 470.182324][ T9970] rtnl_newlink (net/core/rtnetlink.c:4215) [ 470.182325][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182327][ T9970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 470.182328][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.182329][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182331][ T9970] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 470.182333][ T9970] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 470.182335][ T9970] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 470.182338][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182339][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.182340][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182341][ T9970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 470.182343][ T9970] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 470.182345][ T9970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 470.182346][ T9970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 470.182347][ T9970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 470.182351][ T9970] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 470.182354][ T9970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 470.182356][ T9970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.182357][ T9970] ? netlink_ack (./include/linux/skbuff.h:2718) [ 470.182359][ T9970] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 470.182362][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182363][ T9970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.182365][ T9970] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 470.182368][ T9970] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 470.182370][ T9970] ? next_uptodate_folio (mm/filemap.c:3747) [ 470.182373][ T9970] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 470.182375][ T9970] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 470.182377][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.182379][ T9970] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 470.182382][ T9970] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 470.182385][ T9970] ____sys_sendmsg (net/socket.c:2713) [ 470.182387][ T9970] ? copy_msghdr_from_user (net/socket.c:2650) [ 470.182389][ T9970] ? sock_write_iter (net/socket.c:1269) [ 470.182390][ T9970] ? move_addr_to_kernel (net/socket.c:258) [ 470.182392][ T9970] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 470.182395][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.182397][ T9970] ___sys_sendmsg (net/socket.c:2767) [ 470.182398][ T9970] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 470.182400][ T9970] ? copy_msghdr_from_user (net/socket.c:2619) [ 470.182402][ T9970] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 470.182406][ T9970] __sys_sendmsg (net/socket.c:2799) [ 470.182409][ T9970] ? __sys_sendmsg_sock (net/socket.c:2780) [ 470.182411][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182412][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.182414][ T9970] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 470.182416][ T9970] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 470.182418][ T9970] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 470.182420][ T9970] RIP: 0033:0x7fd2c2b8954e [ 470.182422][ T9970] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 470.182424][ T9970] RSP: 002b:00007ffd6eecde30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 470.182428][ T9970] RAX: ffffffffffffffda RBX: 00007ffd6eece5f8 RCX: 00007fd2c2b8954e [ 470.182429][ T9970] RDX: 0000000000000000 RSI: 00007ffd6eecdee0 RDI: 0000000000000005 [ 470.182430][ T9970] RBP: 00007ffd6eecde40 R08: 0000000000000000 R09: 0000000000000000 [ 470.182431][ T9970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b0f [ 470.182432][ T9970] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6eece5b0 | [ 471.501414][T10039] softirqs last disabled at (0): 0x0 | [ 471.501416][T10039] Preemption disabled at: | [ 471.501417][T10039] vprintk_emit (kernel/printk/printk.c:2471) | [ 471.501427][T10039] Tainted: [W]=WARN [ 471.501428][T10039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 471.501430][T10039] Call Trace: [ 471.501431][T10039] [ 471.501433][T10039] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 471.501439][T10039] ? vprintk_emit (kernel/printk/printk.c:2471) [ 471.501440][T10039] __might_resched.cold (kernel/sched/core.c:9234) [ 471.501444][T10039] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 471.501447][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501450][T10039] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 471.501453][T10039] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 471.501456][T10039] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 471.501461][T10039] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 471.501463][T10039] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 471.501466][T10039] put_chars (drivers/char/virtio_console.c:1176) [ 471.501468][T10039] ? __send_to_port (drivers/char/virtio_console.c:654) [ 471.501469][T10039] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 471.501471][T10039] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 471.501474][T10039] ? pointer (lib/vsprintf.c:2577) [ 471.501477][T10039] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 471.501485][T10039] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 471.501487][T10039] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 471.501489][T10039] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.501492][T10039] console_emit_next_record (kernel/printk/printk.c:3183) [ 471.501494][T10039] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 471.501496][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501498][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501499][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501500][T10039] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.501502][T10039] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 471.501504][T10039] console_flush_one_record (kernel/printk/printk.c:3268) [ 471.501507][T10039] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 471.501510][T10039] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 471.501512][T10039] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.501514][T10039] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 471.501515][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501517][T10039] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 471.501518][T10039] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 471.501520][T10039] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 471.501521][T10039] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 471.501523][T10039] ? vprintk_emit (kernel/printk/printk.c:2478) [ 471.501525][T10039] vprintk_emit (kernel/printk/printk.c:2479) [ 471.501527][T10039] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 471.501528][T10039] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 471.501531][T10039] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 471.501534][T10039] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 471.501536][T10039] _printk (kernel/printk/printk.c:2504) [ 471.501539][T10039] ? snapshot_read.cold (user.c:?) [ 471.501542][T10039] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 471.501544][T10039] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 471.501547][T10039] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 471.501549][T10039] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 471.501552][T10039] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 471.501555][T10039] ? netdev_notice (net/core/dev.c:13194) [ 471.501557][T10039] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 471.501559][T10039] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 471.501561][T10039] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 471.501563][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501564][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501565][T10039] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 471.501567][T10039] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 471.501568][T10039] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 471.501570][T10039] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 471.501571][T10039] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 471.501573][T10039] ? register_netdev (net/core/dev.c:11618) [ 471.501574][T10039] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 471.501576][T10039] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 471.501579][T10039] ? __kernel_text_address (kernel/extable.c:79) [ 471.501582][T10039] ? write_profile (profile.c:?) [ 471.501584][T10039] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 471.501588][T10039] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 471.501590][T10039] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 471.501592][T10039] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 471.501593][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501594][T10039] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 471.501597][T10039] ? kasan_save_stack (mm/kasan/common.c:58) [ 471.501599][T10039] ? kasan_save_stack (mm/kasan/common.c:57) [ 471.501600][T10039] ? kasan_save_track (mm/kasan/common.c:78) [ 471.501602][T10039] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 471.501603][T10039] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 471.501604][T10039] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 471.501605][T10039] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 471.501607][T10039] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 471.501610][T10039] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 471.501611][T10039] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 471.501613][T10039] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 471.501615][T10039] ? ____sys_sendmsg (net/socket.c:2713) [ 471.501617][T10039] ? ___sys_sendmsg (net/socket.c:2767) [ 471.501618][T10039] ? __sys_sendmsg (net/socket.c:2799) [ 471.501620][T10039] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 471.501622][T10039] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 471.501625][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501626][T10039] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.501628][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501629][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501630][T10039] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 471.501631][T10039] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 471.501633][T10039] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 471.501634][T10039] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 471.501636][T10039] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 471.501637][T10039] ? nla_get_range_signed (lib/nlattr.c:270) [ 471.501640][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501641][T10039] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 471.501644][T10039] rtnl_newlink (net/core/rtnetlink.c:4215) [ 471.501646][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501647][T10039] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 471.501648][T10039] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.501650][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501651][T10039] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 471.501653][T10039] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 471.501655][T10039] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 471.501656][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501657][T10039] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 471.501661][T10039] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 471.501663][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501664][T10039] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.501666][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501667][T10039] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 471.501669][T10039] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 471.501670][T10039] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 471.501672][T10039] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 471.501674][T10039] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 471.501676][T10039] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 471.501678][T10039] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 471.501679][T10039] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 471.501681][T10039] ? netlink_ack (./include/linux/skbuff.h:2718) [ 471.501683][T10039] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 471.501686][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501687][T10039] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 471.501689][T10039] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 471.501692][T10039] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 471.501694][T10039] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 471.501695][T10039] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 471.501698][T10039] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 471.501699][T10039] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 471.501701][T10039] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.501703][T10039] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 471.501706][T10039] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 471.501708][T10039] ____sys_sendmsg (net/socket.c:2713) [ 471.501710][T10039] ? copy_msghdr_from_user (net/socket.c:2650) [ 471.501712][T10039] ? sock_write_iter (net/socket.c:1269) [ 471.501713][T10039] ? move_addr_to_kernel (net/socket.c:258) [ 471.501715][T10039] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 471.501717][T10039] ___sys_sendmsg (net/socket.c:2767) [ 471.501719][T10039] ? copy_msghdr_from_user (net/socket.c:2619) [ 471.501724][T10039] __sys_sendmsg (net/socket.c:2799) [ 471.501726][T10039] ? __sys_sendmsg_sock (net/socket.c:2780) [ 471.501729][T10039] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.501731][T10039] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 471.501733][T10039] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 471.501735][T10039] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 471.501736][T10039] RIP: 0033:0x7fb02571454e [ 471.501738][T10039] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 471.501740][T10039] RSP: 002b:00007ffebb2a8a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 471.501744][T10039] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb02571454e [ 471.501745][T10039] RDX: 0000000000000000 RSI: 00007ffebb2a8ac0 RDI: 0000000000000005 [ 471.501746][T10039] RBP: 00007ffebb2a8a20 R08: 0000000000000000 R09: 0000000000000000 [ 471.501747][T10039] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b10 [ 471.501748][T10039] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebb2a9180 | [ 472.638642][T10096] softirqs last disabled at (0): 0x0 | [ 472.638644][T10096] Preemption disabled at: | [ 472.638644][T10096] vprintk_emit (kernel/printk/printk.c:2471) | [ 472.638654][T10096] Tainted: [W]=WARN [ 472.638655][T10096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 472.638657][T10096] Call Trace: [ 472.638659][T10096] [ 472.638660][T10096] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 472.638666][T10096] ? vprintk_emit (kernel/printk/printk.c:2471) [ 472.638667][T10096] __might_resched.cold (kernel/sched/core.c:9234) [ 472.638671][T10096] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 472.638674][T10096] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 472.638677][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638679][T10096] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 472.638682][T10096] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 472.638685][T10096] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 472.638690][T10096] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 472.638692][T10096] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 472.638694][T10096] put_chars (drivers/char/virtio_console.c:1176) [ 472.638696][T10096] ? __send_to_port (drivers/char/virtio_console.c:654) [ 472.638698][T10096] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 472.638700][T10096] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 472.638705][T10096] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 472.638707][T10096] ? vsnprintf (lib/vsprintf.c:2900) [ 472.638710][T10096] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 472.638711][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638713][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638714][T10096] console_emit_next_record (kernel/printk/printk.c:3183) [ 472.638717][T10096] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 472.638719][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638720][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638721][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638722][T10096] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 472.638725][T10096] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 472.638726][T10096] console_flush_one_record (kernel/printk/printk.c:3268) [ 472.638729][T10096] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 472.638732][T10096] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 472.638733][T10096] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 472.638735][T10096] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 472.638737][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638738][T10096] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 472.638739][T10096] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 472.638741][T10096] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 472.638742][T10096] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 472.638744][T10096] ? vprintk_emit (kernel/printk/printk.c:2478) [ 472.638746][T10096] vprintk_emit (kernel/printk/printk.c:2479) [ 472.638747][T10096] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 472.638748][T10096] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 472.638750][T10096] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 472.638753][T10096] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 472.638755][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638756][T10096] _printk (kernel/printk/printk.c:2504) [ 472.638759][T10096] ? snapshot_read.cold (user.c:?) [ 472.638761][T10096] ? br_multicast_flood (??:?) [ 472.638764][T10096] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 472.638767][T10096] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 472.638768][T10096] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 472.638770][T10096] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 472.638773][T10096] br_init_port (net/bridge/br_stp_if.c:39) [ 472.638774][T10096] new_nbp (net/bridge/br_if.c:449) [ 472.638776][T10096] br_add_if (net/bridge/br_if.c:592) [ 472.638778][T10096] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 472.638782][T10096] do_set_master (net/core/rtnetlink.c:3071) [ 472.638784][T10096] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 472.638786][T10096] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 472.638787][T10096] ? __dev_get_by_name (net/core/dev.c:905) [ 472.638789][T10096] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 472.638793][T10096] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 472.638795][T10096] rtnl_newlink (net/core/rtnetlink.c:4215) [ 472.638797][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638799][T10096] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 472.638800][T10096] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 472.638801][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638803][T10096] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 472.638805][T10096] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 472.638807][T10096] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 472.638809][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638811][T10096] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 472.638812][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638813][T10096] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 472.638815][T10096] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 472.638816][T10096] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 472.638818][T10096] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 472.638819][T10096] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 472.638823][T10096] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 472.638826][T10096] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 472.638827][T10096] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 472.638829][T10096] ? netlink_ack (./include/linux/skbuff.h:2718) [ 472.638831][T10096] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 472.638833][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638835][T10096] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 472.638837][T10096] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 472.638839][T10096] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 472.638841][T10096] ? next_uptodate_folio (mm/filemap.c:3747) [ 472.638844][T10096] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 472.638846][T10096] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 472.638848][T10096] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 472.638850][T10096] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 472.638853][T10096] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 472.638856][T10096] ____sys_sendmsg (net/socket.c:2713) [ 472.638858][T10096] ? copy_msghdr_from_user (net/socket.c:2650) [ 472.638859][T10096] ? sock_write_iter (net/socket.c:1269) [ 472.638861][T10096] ? move_addr_to_kernel (net/socket.c:258) [ 472.638863][T10096] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 472.638866][T10096] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 472.638868][T10096] ___sys_sendmsg (net/socket.c:2767) [ 472.638869][T10096] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 472.638871][T10096] ? copy_msghdr_from_user (net/socket.c:2619) [ 472.638873][T10096] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 472.638877][T10096] __sys_sendmsg (net/socket.c:2799) [ 472.638879][T10096] ? __sys_sendmsg_sock (net/socket.c:2780) [ 472.638882][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638883][T10096] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 472.638884][T10096] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 472.638887][T10096] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 472.638889][T10096] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 472.638891][T10096] RIP: 0033:0x7fc89becc54e [ 472.638893][T10096] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 472.638895][T10096] RSP: 002b:00007ffc17e1d260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 472.638899][T10096] RAX: ffffffffffffffda RBX: 00007ffc17e1da28 RCX: 00007fc89becc54e [ 472.638900][T10096] RDX: 0000000000000000 RSI: 00007ffc17e1d310 RDI: 0000000000000005 [ 472.638901][T10096] RBP: 00007ffc17e1d270 R08: 0000000000000000 R09: 0000000000000000 [ 472.638902][T10096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b11 [ 472.638903][T10096] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc17e1d9e0 | [ 479.433566][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 479.433569][ T12] Preemption disabled at: | [ 479.433569][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 479.433580][ T12] Tainted: [W]=WARN [ 479.433581][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 479.433583][ T12] Workqueue: netns cleanup_net [ 479.433589][ T12] Call Trace: [ 479.433590][ T12] [ 479.433592][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 479.433597][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 479.433598][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 479.433602][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 479.433604][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 479.433608][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433610][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 479.433613][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.433616][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.433620][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 479.433622][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.433625][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 479.433626][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 479.433628][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 479.433630][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 479.433635][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 479.433637][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 479.433639][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.433641][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433642][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433644][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 479.433647][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 479.433649][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433650][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433651][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433652][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.433655][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 479.433657][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 479.433659][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 479.433662][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 479.433664][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.433665][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 479.433667][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433668][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.433670][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 479.433671][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 479.433673][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 479.433675][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 479.433676][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 479.433678][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 479.433679][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 479.433681][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 479.433684][ T12] ? kthread (kernel/kthread.c:436) [ 479.433686][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 479.433689][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 479.433692][ T12] _printk (kernel/printk/printk.c:2504) [ 479.433695][ T12] ? snapshot_read.cold (user.c:?) [ 479.433697][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 479.433700][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 479.433702][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 479.433705][ T12] ? netdev_notice (net/core/dev.c:13194) [ 479.433707][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433708][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 479.433710][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 479.433713][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 479.433714][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 479.433716][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 479.433718][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 479.433721][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 479.433724][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 479.433726][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 479.433729][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 479.433731][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 479.433733][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 479.433736][ T12] cleanup_net (net/core/net_namespace.c:706) [ 479.433738][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 479.433740][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.433742][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.433743][ T12] process_one_work (kernel/workqueue.c:3387) [ 479.433746][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 479.433749][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.433751][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 479.433754][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 479.433756][ T12] kthread (kernel/kthread.c:436) [ 479.433758][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 479.433760][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 479.433762][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 479.433764][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 479.433766][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 479.433769][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 479.433771][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 480.592391][T10258] softirqs last disabled at (0): 0x0 | [ 480.592393][T10258] Preemption disabled at: | [ 480.592394][T10258] vprintk_emit (kernel/printk/printk.c:2471) | [ 480.592404][T10258] Tainted: [W]=WARN [ 480.592405][T10258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 480.592406][T10258] Call Trace: [ 480.592408][T10258] [ 480.592409][T10258] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 480.592415][T10258] ? vprintk_emit (kernel/printk/printk.c:2471) [ 480.592416][T10258] __might_resched.cold (kernel/sched/core.c:9234) [ 480.592420][T10258] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 480.592422][T10258] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 480.592425][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592428][T10258] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 480.592431][T10258] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.592434][T10258] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 480.592439][T10258] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 480.592441][T10258] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 480.592443][T10258] put_chars (drivers/char/virtio_console.c:1176) [ 480.592445][T10258] ? __send_to_port (drivers/char/virtio_console.c:654) [ 480.592447][T10258] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 480.592449][T10258] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 480.592454][T10258] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 480.592456][T10258] ? vsnprintf (lib/vsprintf.c:2900) [ 480.592460][T10258] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.592461][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592462][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592464][T10258] console_emit_next_record (kernel/printk/printk.c:3183) [ 480.592467][T10258] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 480.592469][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592470][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592471][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592472][T10258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.592474][T10258] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 480.592476][T10258] console_flush_one_record (kernel/printk/printk.c:3268) [ 480.592479][T10258] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 480.592481][T10258] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 480.592483][T10258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.592485][T10258] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 480.592487][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592488][T10258] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.592489][T10258] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 480.592491][T10258] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 480.592492][T10258] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 480.592494][T10258] ? vprintk_emit (kernel/printk/printk.c:2478) [ 480.592495][T10258] vprintk_emit (kernel/printk/printk.c:2479) [ 480.592497][T10258] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 480.592498][T10258] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.592500][T10258] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 480.592503][T10258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.592504][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592506][T10258] _printk (kernel/printk/printk.c:2504) [ 480.592509][T10258] ? snapshot_read.cold (user.c:?) [ 480.592516][T10258] ? br_multicast_flood (??:?) [ 480.592519][T10258] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 480.592522][T10258] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 480.592523][T10258] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 480.592525][T10258] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 480.592528][T10258] br_init_port (net/bridge/br_stp_if.c:39) [ 480.592530][T10258] new_nbp (net/bridge/br_if.c:449) [ 480.592532][T10258] br_add_if (net/bridge/br_if.c:592) [ 480.592534][T10258] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 480.592538][T10258] do_set_master (net/core/rtnetlink.c:3071) [ 480.592540][T10258] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 480.592541][T10258] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 480.592543][T10258] ? __dev_get_by_name (net/core/dev.c:905) [ 480.592544][T10258] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 480.592548][T10258] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 480.592551][T10258] rtnl_newlink (net/core/rtnetlink.c:4215) [ 480.592553][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592554][T10258] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 480.592555][T10258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.592557][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592558][T10258] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 480.592561][T10258] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 480.592563][T10258] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 480.592565][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592566][T10258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.592568][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592569][T10258] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 480.592570][T10258] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 480.592572][T10258] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 480.592573][T10258] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 480.592575][T10258] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 480.592579][T10258] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 480.592581][T10258] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 480.592583][T10258] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.592584][T10258] ? netlink_ack (./include/linux/skbuff.h:2718) [ 480.592586][T10258] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 480.592589][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592590][T10258] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.592592][T10258] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 480.592594][T10258] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 480.592596][T10258] ? next_uptodate_folio (mm/filemap.c:3747) [ 480.592599][T10258] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 480.592601][T10258] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 480.592603][T10258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.592605][T10258] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 480.592608][T10258] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 480.592611][T10258] ____sys_sendmsg (net/socket.c:2713) [ 480.592613][T10258] ? copy_msghdr_from_user (net/socket.c:2650) [ 480.592615][T10258] ? sock_write_iter (net/socket.c:1269) [ 480.592616][T10258] ? move_addr_to_kernel (net/socket.c:258) [ 480.592618][T10258] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 480.592621][T10258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.592623][T10258] ___sys_sendmsg (net/socket.c:2767) [ 480.592624][T10258] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 480.592626][T10258] ? copy_msghdr_from_user (net/socket.c:2619) [ 480.592628][T10258] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 480.592632][T10258] __sys_sendmsg (net/socket.c:2799) [ 480.592635][T10258] ? __sys_sendmsg_sock (net/socket.c:2780) [ 480.592637][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592638][T10258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.592640][T10258] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 480.592643][T10258] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 480.592645][T10258] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 480.592647][T10258] RIP: 0033:0x7fbd90e8254e [ 480.592649][T10258] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 480.592651][T10258] RSP: 002b:00007fff4c9b2960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 480.592654][T10258] RAX: ffffffffffffffda RBX: 00007fff4c9b3128 RCX: 00007fbd90e8254e [ 480.592656][T10258] RDX: 0000000000000000 RSI: 00007fff4c9b2a10 RDI: 0000000000000005 [ 480.592657][T10258] RBP: 00007fff4c9b2970 R08: 0000000000000000 R09: 0000000000000000 [ 480.592658][T10258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b19 [ 480.592659][T10258] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4c9b30e0 | [ 481.879096][T10328] softirqs last disabled at (0): 0x0 | [ 481.879098][T10328] Preemption disabled at: | [ 481.879099][T10328] vprintk_emit (kernel/printk/printk.c:2471) | [ 481.879109][T10328] Tainted: [W]=WARN [ 481.879110][T10328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 481.879112][T10328] Call Trace: [ 481.879114][T10328] [ 481.879115][T10328] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 481.879120][T10328] ? vprintk_emit (kernel/printk/printk.c:2471) [ 481.879122][T10328] __might_resched.cold (kernel/sched/core.c:9234) [ 481.879126][T10328] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 481.879129][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879131][T10328] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 481.879134][T10328] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.879137][T10328] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 481.879142][T10328] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 481.879144][T10328] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 481.879146][T10328] put_chars (drivers/char/virtio_console.c:1176) [ 481.879148][T10328] ? __send_to_port (drivers/char/virtio_console.c:654) [ 481.879149][T10328] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 481.879152][T10328] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 481.879154][T10328] ? pointer (lib/vsprintf.c:2577) [ 481.879157][T10328] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 481.879162][T10328] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 481.879167][T10328] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.879169][T10328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.879171][T10328] console_emit_next_record (kernel/printk/printk.c:3183) [ 481.879174][T10328] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 481.879176][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879177][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879178][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879179][T10328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.879181][T10328] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 481.879183][T10328] console_flush_one_record (kernel/printk/printk.c:3268) [ 481.879185][T10328] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 481.879188][T10328] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 481.879190][T10328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.879192][T10328] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 481.879193][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879194][T10328] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.879196][T10328] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 481.879197][T10328] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 481.879199][T10328] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 481.879201][T10328] ? vprintk_emit (kernel/printk/printk.c:2478) [ 481.879202][T10328] vprintk_emit (kernel/printk/printk.c:2479) [ 481.879204][T10328] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 481.879205][T10328] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 481.879208][T10328] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 481.879211][T10328] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 481.879213][T10328] _printk (kernel/printk/printk.c:2504) [ 481.879217][T10328] ? snapshot_read.cold (user.c:?) [ 481.879219][T10328] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 481.879221][T10328] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 481.879224][T10328] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 481.879226][T10328] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 481.879229][T10328] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 481.879231][T10328] ? netdev_notice (net/core/dev.c:13194) [ 481.879233][T10328] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 481.879235][T10328] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 481.879238][T10328] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.879239][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879240][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879242][T10328] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 481.879243][T10328] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 481.879245][T10328] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 481.879246][T10328] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 481.879247][T10328] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 481.879249][T10328] ? register_netdev (net/core/dev.c:11618) [ 481.879250][T10328] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.879252][T10328] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 481.879255][T10328] ? __kernel_text_address (kernel/extable.c:79) [ 481.879257][T10328] ? write_profile (profile.c:?) [ 481.879260][T10328] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 481.879264][T10328] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 481.879265][T10328] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 481.879267][T10328] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 481.879268][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879269][T10328] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 481.879273][T10328] ? kasan_save_stack (mm/kasan/common.c:58) [ 481.879274][T10328] ? kasan_save_stack (mm/kasan/common.c:57) [ 481.879275][T10328] ? kasan_save_track (mm/kasan/common.c:78) [ 481.879277][T10328] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 481.879278][T10328] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 481.879279][T10328] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 481.879280][T10328] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 481.879281][T10328] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 481.879284][T10328] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 481.879286][T10328] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 481.879287][T10328] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 481.879290][T10328] ? ____sys_sendmsg (net/socket.c:2713) [ 481.879291][T10328] ? ___sys_sendmsg (net/socket.c:2767) [ 481.879293][T10328] ? __sys_sendmsg (net/socket.c:2799) [ 481.879295][T10328] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 481.879297][T10328] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 481.879299][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879301][T10328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.879302][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879303][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879304][T10328] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 481.879306][T10328] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 481.879307][T10328] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 481.879308][T10328] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 481.879310][T10328] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 481.879311][T10328] ? nla_get_range_signed (lib/nlattr.c:270) [ 481.879314][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879316][T10328] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 481.879318][T10328] rtnl_newlink (net/core/rtnetlink.c:4215) [ 481.879320][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879321][T10328] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 481.879322][T10328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.879324][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879325][T10328] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 481.879327][T10328] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 481.879329][T10328] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 481.879330][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879332][T10328] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 481.879335][T10328] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 481.879337][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879338][T10328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.879340][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879341][T10328] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 481.879342][T10328] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 481.879344][T10328] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 481.879345][T10328] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 481.879347][T10328] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 481.879349][T10328] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 481.879351][T10328] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 481.879352][T10328] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.879354][T10328] ? netlink_ack (./include/linux/skbuff.h:2718) [ 481.879356][T10328] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 481.879359][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879360][T10328] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.879362][T10328] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 481.879364][T10328] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 481.879366][T10328] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 481.879368][T10328] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 481.879370][T10328] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 481.879372][T10328] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 481.879374][T10328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.879375][T10328] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 481.879378][T10328] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 481.879380][T10328] ____sys_sendmsg (net/socket.c:2713) [ 481.879382][T10328] ? copy_msghdr_from_user (net/socket.c:2650) [ 481.879384][T10328] ? sock_write_iter (net/socket.c:1269) [ 481.879385][T10328] ? move_addr_to_kernel (net/socket.c:258) [ 481.879387][T10328] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 481.879389][T10328] ___sys_sendmsg (net/socket.c:2767) [ 481.879391][T10328] ? copy_msghdr_from_user (net/socket.c:2619) [ 481.879396][T10328] __sys_sendmsg (net/socket.c:2799) [ 481.879398][T10328] ? __sys_sendmsg_sock (net/socket.c:2780) [ 481.879401][T10328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.879402][T10328] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 481.879404][T10328] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 481.879406][T10328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 481.879408][T10328] RIP: 0033:0x7f72f9c0d54e [ 481.879410][T10328] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 481.879412][T10328] RSP: 002b:00007ffe5fc03590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 481.879415][T10328] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f72f9c0d54e [ 481.879417][T10328] RDX: 0000000000000000 RSI: 00007ffe5fc03640 RDI: 0000000000000005 [ 481.879417][T10328] RBP: 00007ffe5fc035a0 R08: 0000000000000000 R09: 0000000000000000 [ 481.879418][T10328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b1b [ 481.879419][T10328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5fc03d00 | [ 482.932449][T10378] softirqs last disabled at (0): 0x0 | [ 482.932451][T10378] Preemption disabled at: | [ 482.932452][T10378] vprintk_emit (kernel/printk/printk.c:2471) | [ 482.932461][T10378] Tainted: [W]=WARN [ 482.932462][T10378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 482.932464][T10378] Call Trace: [ 482.932465][T10378] [ 482.932466][T10378] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 482.932472][T10378] ? vprintk_emit (kernel/printk/printk.c:2471) [ 482.932473][T10378] __might_resched.cold (kernel/sched/core.c:9234) [ 482.932477][T10378] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 482.932480][T10378] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 482.932483][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932485][T10378] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 482.932488][T10378] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 482.932491][T10378] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 482.932496][T10378] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 482.932498][T10378] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 482.932500][T10378] put_chars (drivers/char/virtio_console.c:1176) [ 482.932502][T10378] ? __send_to_port (drivers/char/virtio_console.c:654) [ 482.932504][T10378] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 482.932506][T10378] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 482.932511][T10378] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 482.932512][T10378] ? vsnprintf (lib/vsprintf.c:2900) [ 482.932516][T10378] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 482.932517][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932522][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932524][T10378] console_emit_next_record (kernel/printk/printk.c:3183) [ 482.932527][T10378] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 482.932529][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932530][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932531][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932532][T10378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 482.932535][T10378] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 482.932536][T10378] console_flush_one_record (kernel/printk/printk.c:3268) [ 482.932539][T10378] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 482.932542][T10378] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 482.932544][T10378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 482.932546][T10378] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 482.932547][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932548][T10378] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 482.932550][T10378] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 482.932551][T10378] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 482.932553][T10378] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 482.932555][T10378] ? vprintk_emit (kernel/printk/printk.c:2478) [ 482.932557][T10378] vprintk_emit (kernel/printk/printk.c:2479) [ 482.932558][T10378] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 482.932559][T10378] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 482.932561][T10378] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 482.932564][T10378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 482.932566][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932567][T10378] _printk (kernel/printk/printk.c:2504) [ 482.932570][T10378] ? snapshot_read.cold (user.c:?) [ 482.932573][T10378] ? br_multicast_flood (??:?) [ 482.932576][T10378] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 482.932579][T10378] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 482.932580][T10378] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 482.932582][T10378] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 482.932585][T10378] br_init_port (net/bridge/br_stp_if.c:39) [ 482.932587][T10378] new_nbp (net/bridge/br_if.c:449) [ 482.932589][T10378] br_add_if (net/bridge/br_if.c:592) [ 482.932591][T10378] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 482.932595][T10378] do_set_master (net/core/rtnetlink.c:3071) [ 482.932597][T10378] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 482.932598][T10378] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 482.932600][T10378] ? __dev_get_by_name (net/core/dev.c:905) [ 482.932602][T10378] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 482.932606][T10378] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 482.932608][T10378] rtnl_newlink (net/core/rtnetlink.c:4215) [ 482.932610][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932611][T10378] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 482.932612][T10378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 482.932614][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932615][T10378] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 482.932618][T10378] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 482.932620][T10378] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 482.932623][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932624][T10378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 482.932625][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932626][T10378] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 482.932628][T10378] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 482.932630][T10378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 482.932631][T10378] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 482.932632][T10378] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 482.932636][T10378] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 482.932639][T10378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 482.932640][T10378] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 482.932642][T10378] ? netlink_ack (./include/linux/skbuff.h:2718) [ 482.932644][T10378] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 482.932647][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932648][T10378] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 482.932650][T10378] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 482.932652][T10378] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 482.932654][T10378] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 482.932657][T10378] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 482.932660][T10378] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 482.932662][T10378] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 482.932664][T10378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 482.932665][T10378] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 482.932669][T10378] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 482.932672][T10378] ____sys_sendmsg (net/socket.c:2713) [ 482.932674][T10378] ? copy_msghdr_from_user (net/socket.c:2650) [ 482.932676][T10378] ? sock_write_iter (net/socket.c:1269) [ 482.932677][T10378] ? move_addr_to_kernel (net/socket.c:258) [ 482.932679][T10378] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 482.932682][T10378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 482.932684][T10378] ___sys_sendmsg (net/socket.c:2767) [ 482.932685][T10378] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 482.932687][T10378] ? copy_msghdr_from_user (net/socket.c:2619) [ 482.932689][T10378] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 482.932693][T10378] __sys_sendmsg (net/socket.c:2799) [ 482.932696][T10378] ? __sys_sendmsg_sock (net/socket.c:2780) [ 482.932698][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932699][T10378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 482.932701][T10378] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 482.932703][T10378] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 482.932705][T10378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 482.932707][T10378] RIP: 0033:0x7f97e7e0554e [ 482.932709][T10378] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 482.932711][T10378] RSP: 002b:00007ffe7b734c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 482.932714][T10378] RAX: ffffffffffffffda RBX: 00007ffe7b7353d8 RCX: 00007f97e7e0554e [ 482.932716][T10378] RDX: 0000000000000000 RSI: 00007ffe7b734cc0 RDI: 0000000000000005 [ 482.932717][T10378] RBP: 00007ffe7b734c20 R08: 0000000000000000 R09: 0000000000000000 [ 482.932717][T10378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b1c [ 482.932718][T10378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7b735390 | [ 489.723701][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 489.723703][ T12] Preemption disabled at: | [ 489.723704][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 489.723715][ T12] Tainted: [W]=WARN [ 489.723716][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 489.723718][ T12] Workqueue: netns cleanup_net [ 489.723723][ T12] Call Trace: [ 489.723725][ T12] [ 489.723727][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 489.723733][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 489.723734][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 489.723737][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 489.723739][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 489.723743][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723745][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 489.723748][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.723751][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.723756][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 489.723758][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.723760][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 489.723762][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 489.723764][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 489.723766][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 489.723771][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 489.723772][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 489.723775][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.723776][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723778][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723779][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 489.723782][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 489.723784][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723785][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723786][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723787][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.723790][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 489.723792][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 489.723794][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 489.723797][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 489.723799][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.723800][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 489.723802][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723803][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.723805][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 489.723806][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 489.723807][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 489.723810][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 489.723811][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 489.723813][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 489.723814][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 489.723815][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 489.723818][ T12] ? kthread (kernel/kthread.c:436) [ 489.723820][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 489.723823][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 489.723826][ T12] _printk (kernel/printk/printk.c:2504) [ 489.723829][ T12] ? snapshot_read.cold (user.c:?) [ 489.723831][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 489.723834][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 489.723836][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 489.723838][ T12] ? netdev_notice (net/core/dev.c:13194) [ 489.723840][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723842][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 489.723843][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 489.723846][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 489.723847][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 489.723849][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 489.723851][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 489.723854][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 489.723858][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 489.723860][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 489.723862][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 489.723864][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 489.723866][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 489.723869][ T12] cleanup_net (net/core/net_namespace.c:706) [ 489.723871][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 489.723873][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 489.723875][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.723877][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.723879][ T12] process_one_work (kernel/workqueue.c:3387) [ 489.723882][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 489.723884][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.723887][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 489.723889][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 489.723891][ T12] kthread (kernel/kthread.c:436) [ 489.723893][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 489.723895][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 489.723897][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 489.723898][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 489.723900][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 489.723903][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 489.723905][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 490.948501][T10541] softirqs last disabled at (0): 0x0 | [ 490.948503][T10541] Preemption disabled at: | [ 490.948504][T10541] vprintk_emit (kernel/printk/printk.c:2471) | [ 490.948514][T10541] Tainted: [W]=WARN [ 490.948515][T10541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 490.948517][T10541] Call Trace: [ 490.948518][T10541] [ 490.948519][T10541] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 490.948525][T10541] ? vprintk_emit (kernel/printk/printk.c:2471) [ 490.948526][T10541] __might_resched.cold (kernel/sched/core.c:9234) [ 490.948530][T10541] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 490.948532][T10541] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 490.948536][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948538][T10541] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 490.948541][T10541] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 490.948544][T10541] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 490.948553][T10541] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 490.948554][T10541] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 490.948557][T10541] put_chars (drivers/char/virtio_console.c:1176) [ 490.948559][T10541] ? __send_to_port (drivers/char/virtio_console.c:654) [ 490.948561][T10541] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 490.948563][T10541] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 490.948568][T10541] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 490.948569][T10541] ? vsnprintf (lib/vsprintf.c:2900) [ 490.948573][T10541] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 490.948575][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948576][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948578][T10541] console_emit_next_record (kernel/printk/printk.c:3183) [ 490.948580][T10541] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 490.948582][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948584][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948584][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948586][T10541] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.948588][T10541] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 490.948590][T10541] console_flush_one_record (kernel/printk/printk.c:3268) [ 490.948592][T10541] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 490.948595][T10541] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 490.948597][T10541] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.948599][T10541] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 490.948600][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948601][T10541] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 490.948603][T10541] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 490.948604][T10541] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 490.948606][T10541] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 490.948608][T10541] ? vprintk_emit (kernel/printk/printk.c:2478) [ 490.948609][T10541] vprintk_emit (kernel/printk/printk.c:2479) [ 490.948611][T10541] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 490.948612][T10541] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 490.948614][T10541] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 490.948617][T10541] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.948618][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948620][T10541] _printk (kernel/printk/printk.c:2504) [ 490.948623][T10541] ? snapshot_read.cold (user.c:?) [ 490.948625][T10541] ? br_multicast_flood (??:?) [ 490.948628][T10541] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 490.948631][T10541] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 490.948632][T10541] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 490.948634][T10541] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 490.948636][T10541] br_init_port (net/bridge/br_stp_if.c:39) [ 490.948638][T10541] new_nbp (net/bridge/br_if.c:449) [ 490.948640][T10541] br_add_if (net/bridge/br_if.c:592) [ 490.948642][T10541] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 490.948646][T10541] do_set_master (net/core/rtnetlink.c:3071) [ 490.948648][T10541] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 490.948650][T10541] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 490.948651][T10541] ? __dev_get_by_name (net/core/dev.c:905) [ 490.948653][T10541] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 490.948657][T10541] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 490.948659][T10541] rtnl_newlink (net/core/rtnetlink.c:4215) [ 490.948661][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948663][T10541] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 490.948664][T10541] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.948666][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948667][T10541] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 490.948670][T10541] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 490.948671][T10541] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 490.948674][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948675][T10541] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.948676][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948678][T10541] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 490.948679][T10541] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 490.948681][T10541] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 490.948682][T10541] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 490.948683][T10541] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 490.948687][T10541] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 490.948690][T10541] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 490.948691][T10541] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 490.948693][T10541] ? netlink_ack (./include/linux/skbuff.h:2718) [ 490.948695][T10541] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 490.948698][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948699][T10541] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 490.948701][T10541] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 490.948703][T10541] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 490.948705][T10541] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 490.948707][T10541] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 490.948710][T10541] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 490.948713][T10541] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 490.948715][T10541] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.948716][T10541] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 490.948720][T10541] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 490.948723][T10541] ____sys_sendmsg (net/socket.c:2713) [ 490.948724][T10541] ? copy_msghdr_from_user (net/socket.c:2650) [ 490.948726][T10541] ? sock_write_iter (net/socket.c:1269) [ 490.948728][T10541] ? move_addr_to_kernel (net/socket.c:258) [ 490.948730][T10541] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 490.948732][T10541] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.948734][T10541] ___sys_sendmsg (net/socket.c:2767) [ 490.948736][T10541] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 490.948738][T10541] ? copy_msghdr_from_user (net/socket.c:2619) [ 490.948739][T10541] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 490.948744][T10541] __sys_sendmsg (net/socket.c:2799) [ 490.948746][T10541] ? __sys_sendmsg_sock (net/socket.c:2780) [ 490.948748][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948749][T10541] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.948751][T10541] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 490.948753][T10541] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 490.948755][T10541] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 490.948757][T10541] RIP: 0033:0x7f7980e3854e [ 490.948759][T10541] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 490.948761][T10541] RSP: 002b:00007ffeb0e87d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 490.948765][T10541] RAX: ffffffffffffffda RBX: 00007ffeb0e88548 RCX: 00007f7980e3854e [ 490.948766][T10541] RDX: 0000000000000000 RSI: 00007ffeb0e87e30 RDI: 0000000000000005 [ 490.948767][T10541] RBP: 00007ffeb0e87d90 R08: 0000000000000000 R09: 0000000000000000 [ 490.948768][T10541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b24 [ 490.948769][T10541] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb0e88500 | [ 492.313324][T10610] softirqs last disabled at (0): 0x0 | [ 492.313326][T10610] Preemption disabled at: | [ 492.313326][T10610] vprintk_emit (kernel/printk/printk.c:2471) | [ 492.313336][T10610] Tainted: [W]=WARN [ 492.313338][T10610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 492.313339][T10610] Call Trace: [ 492.313341][T10610] [ 492.313342][T10610] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 492.313347][T10610] ? vprintk_emit (kernel/printk/printk.c:2471) [ 492.313349][T10610] __might_resched.cold (kernel/sched/core.c:9234) [ 492.313353][T10610] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 492.313356][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313359][T10610] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 492.313362][T10610] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 492.313365][T10610] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 492.313370][T10610] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 492.313371][T10610] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 492.313374][T10610] put_chars (drivers/char/virtio_console.c:1176) [ 492.313376][T10610] ? __send_to_port (drivers/char/virtio_console.c:654) [ 492.313377][T10610] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 492.313379][T10610] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 492.313381][T10610] ? pointer (lib/vsprintf.c:2577) [ 492.313385][T10610] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 492.313390][T10610] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 492.313391][T10610] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 492.313393][T10610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.313396][T10610] console_emit_next_record (kernel/printk/printk.c:3183) [ 492.313399][T10610] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 492.313401][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313402][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313403][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313404][T10610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.313406][T10610] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 492.313408][T10610] console_flush_one_record (kernel/printk/printk.c:3268) [ 492.313410][T10610] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 492.313413][T10610] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 492.313415][T10610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.313416][T10610] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 492.313418][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313419][T10610] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 492.313421][T10610] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 492.313422][T10610] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 492.313424][T10610] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 492.313426][T10610] ? vprintk_emit (kernel/printk/printk.c:2478) [ 492.313427][T10610] vprintk_emit (kernel/printk/printk.c:2479) [ 492.313429][T10610] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 492.313430][T10610] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 492.313432][T10610] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 492.313435][T10610] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 492.313438][T10610] _printk (kernel/printk/printk.c:2504) [ 492.313440][T10610] ? snapshot_read.cold (user.c:?) [ 492.313442][T10610] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 492.313444][T10610] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 492.313448][T10610] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 492.313450][T10610] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 492.313453][T10610] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 492.313455][T10610] ? netdev_notice (net/core/dev.c:13194) [ 492.313457][T10610] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 492.313459][T10610] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 492.313461][T10610] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 492.313463][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313464][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313465][T10610] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 492.313467][T10610] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 492.313468][T10610] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 492.313470][T10610] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 492.313471][T10610] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 492.313473][T10610] ? register_netdev (net/core/dev.c:11618) [ 492.313474][T10610] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 492.313476][T10610] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 492.313479][T10610] ? __kernel_text_address (kernel/extable.c:79) [ 492.313481][T10610] ? write_profile (profile.c:?) [ 492.313484][T10610] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 492.313487][T10610] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 492.313489][T10610] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 492.313491][T10610] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 492.313492][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313493][T10610] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 492.313496][T10610] ? kasan_save_stack (mm/kasan/common.c:58) [ 492.313498][T10610] ? kasan_save_stack (mm/kasan/common.c:57) [ 492.313499][T10610] ? kasan_save_track (mm/kasan/common.c:78) [ 492.313500][T10610] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 492.313501][T10610] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 492.313503][T10610] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 492.313504][T10610] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 492.313505][T10610] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 492.313508][T10610] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 492.313509][T10610] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 492.313511][T10610] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 492.313513][T10610] ? ____sys_sendmsg (net/socket.c:2713) [ 492.313515][T10610] ? ___sys_sendmsg (net/socket.c:2767) [ 492.313516][T10610] ? __sys_sendmsg (net/socket.c:2799) [ 492.313518][T10610] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 492.313520][T10610] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 492.313522][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313523][T10610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.313525][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313526][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313527][T10610] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 492.313528][T10610] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 492.313530][T10610] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 492.313531][T10610] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 492.313532][T10610] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 492.313533][T10610] ? nla_get_range_signed (lib/nlattr.c:270) [ 492.313537][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313538][T10610] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 492.313540][T10610] rtnl_newlink (net/core/rtnetlink.c:4215) [ 492.313542][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313543][T10610] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 492.313544][T10610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.313546][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313547][T10610] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 492.313549][T10610] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 492.313550][T10610] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 492.313556][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313557][T10610] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 492.313560][T10610] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 492.313563][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313564][T10610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.313565][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313567][T10610] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 492.313568][T10610] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 492.313570][T10610] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 492.313571][T10610] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 492.313573][T10610] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 492.313575][T10610] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 492.313577][T10610] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 492.313578][T10610] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 492.313580][T10610] ? netlink_ack (./include/linux/skbuff.h:2718) [ 492.313582][T10610] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 492.313585][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313586][T10610] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 492.313588][T10610] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 492.313590][T10610] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 492.313592][T10610] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 492.313594][T10610] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 492.313596][T10610] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 492.313597][T10610] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 492.313599][T10610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.313601][T10610] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 492.313604][T10610] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 492.313606][T10610] ____sys_sendmsg (net/socket.c:2713) [ 492.313607][T10610] ? copy_msghdr_from_user (net/socket.c:2650) [ 492.313609][T10610] ? sock_write_iter (net/socket.c:1269) [ 492.313610][T10610] ? move_addr_to_kernel (net/socket.c:258) [ 492.313612][T10610] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 492.313615][T10610] ___sys_sendmsg (net/socket.c:2767) [ 492.313617][T10610] ? copy_msghdr_from_user (net/socket.c:2619) [ 492.313621][T10610] __sys_sendmsg (net/socket.c:2799) [ 492.313623][T10610] ? __sys_sendmsg_sock (net/socket.c:2780) [ 492.313626][T10610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.313627][T10610] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 492.313629][T10610] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 492.313631][T10610] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 492.313633][T10610] RIP: 0033:0x7f395a14354e [ 492.313635][T10610] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 492.313637][T10610] RSP: 002b:00007fff0d3c71a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 492.313640][T10610] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f395a14354e [ 492.313642][T10610] RDX: 0000000000000000 RSI: 00007fff0d3c7250 RDI: 0000000000000005 [ 492.313643][T10610] RBP: 00007fff0d3c71b0 R08: 0000000000000000 R09: 0000000000000000 [ 492.313644][T10610] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b25 [ 492.313645][T10610] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0d3c7910 | [ 493.385076][T10660] softirqs last disabled at (0): 0x0 | [ 493.385078][T10660] Preemption disabled at: | [ 493.385079][T10660] vprintk_emit (kernel/printk/printk.c:2471) | [ 493.385088][T10660] Tainted: [W]=WARN [ 493.385090][T10660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 493.385091][T10660] Call Trace: [ 493.385093][T10660] [ 493.385094][T10660] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 493.385099][T10660] ? vprintk_emit (kernel/printk/printk.c:2471) [ 493.385101][T10660] __might_resched.cold (kernel/sched/core.c:9234) [ 493.385105][T10660] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 493.385107][T10660] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 493.385110][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385113][T10660] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 493.385115][T10660] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 493.385118][T10660] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 493.385124][T10660] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 493.385125][T10660] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 493.385128][T10660] put_chars (drivers/char/virtio_console.c:1176) [ 493.385129][T10660] ? __send_to_port (drivers/char/virtio_console.c:654) [ 493.385131][T10660] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 493.385134][T10660] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 493.385138][T10660] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 493.385140][T10660] ? vsnprintf (lib/vsprintf.c:2900) [ 493.385143][T10660] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 493.385145][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385146][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385148][T10660] console_emit_next_record (kernel/printk/printk.c:3183) [ 493.385150][T10660] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 493.385152][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385153][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385154][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385156][T10660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 493.385158][T10660] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 493.385160][T10660] console_flush_one_record (kernel/printk/printk.c:3268) [ 493.385162][T10660] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 493.385168][T10660] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 493.385169][T10660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 493.385171][T10660] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 493.385173][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385174][T10660] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 493.385175][T10660] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 493.385177][T10660] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 493.385178][T10660] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 493.385181][T10660] ? vprintk_emit (kernel/printk/printk.c:2478) [ 493.385182][T10660] vprintk_emit (kernel/printk/printk.c:2479) [ 493.385184][T10660] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 493.385185][T10660] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 493.385186][T10660] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 493.385189][T10660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 493.385191][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385192][T10660] _printk (kernel/printk/printk.c:2504) [ 493.385195][T10660] ? snapshot_read.cold (user.c:?) [ 493.385197][T10660] ? br_multicast_flood (??:?) [ 493.385201][T10660] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 493.385203][T10660] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 493.385204][T10660] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 493.385206][T10660] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 493.385209][T10660] br_init_port (net/bridge/br_stp_if.c:39) [ 493.385211][T10660] new_nbp (net/bridge/br_if.c:449) [ 493.385213][T10660] br_add_if (net/bridge/br_if.c:592) [ 493.385215][T10660] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 493.385219][T10660] do_set_master (net/core/rtnetlink.c:3071) [ 493.385221][T10660] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 493.385223][T10660] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 493.385224][T10660] ? __dev_get_by_name (net/core/dev.c:905) [ 493.385226][T10660] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 493.385230][T10660] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 493.385232][T10660] rtnl_newlink (net/core/rtnetlink.c:4215) [ 493.385234][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385235][T10660] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 493.385237][T10660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 493.385238][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385240][T10660] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 493.385242][T10660] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 493.385244][T10660] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 493.385247][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385248][T10660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 493.385249][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385250][T10660] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 493.385252][T10660] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 493.385253][T10660] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 493.385255][T10660] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 493.385256][T10660] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 493.385260][T10660] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 493.385263][T10660] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 493.385264][T10660] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 493.385266][T10660] ? netlink_ack (./include/linux/skbuff.h:2718) [ 493.385267][T10660] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 493.385270][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385271][T10660] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 493.385273][T10660] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 493.385276][T10660] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 493.385278][T10660] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 493.385280][T10660] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 493.385283][T10660] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 493.385285][T10660] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 493.385287][T10660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 493.385289][T10660] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 493.385293][T10660] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 493.385295][T10660] ____sys_sendmsg (net/socket.c:2713) [ 493.385297][T10660] ? copy_msghdr_from_user (net/socket.c:2650) [ 493.385299][T10660] ? sock_write_iter (net/socket.c:1269) [ 493.385301][T10660] ? move_addr_to_kernel (net/socket.c:258) [ 493.385303][T10660] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 493.385305][T10660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 493.385307][T10660] ___sys_sendmsg (net/socket.c:2767) [ 493.385309][T10660] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 493.385311][T10660] ? copy_msghdr_from_user (net/socket.c:2619) [ 493.385312][T10660] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 493.385317][T10660] __sys_sendmsg (net/socket.c:2799) [ 493.385319][T10660] ? __sys_sendmsg_sock (net/socket.c:2780) [ 493.385322][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385323][T10660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 493.385324][T10660] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 493.385326][T10660] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 493.385328][T10660] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 493.385330][T10660] RIP: 0033:0x7faa29bf754e [ 493.385332][T10660] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 493.385334][T10660] RSP: 002b:00007ffd4e38ccb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 493.385338][T10660] RAX: ffffffffffffffda RBX: 00007ffd4e38d478 RCX: 00007faa29bf754e [ 493.385339][T10660] RDX: 0000000000000000 RSI: 00007ffd4e38cd60 RDI: 0000000000000005 [ 493.385340][T10660] RBP: 00007ffd4e38ccc0 R08: 0000000000000000 R09: 0000000000000000 [ 493.385341][T10660] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b26 [ 493.385342][T10660] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4e38d430 | [ 500.170705][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 500.170707][ T12] Preemption disabled at: | [ 500.170708][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 500.170718][ T12] Tainted: [W]=WARN [ 500.170719][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 500.170721][ T12] Workqueue: netns cleanup_net [ 500.170726][ T12] Call Trace: [ 500.170728][ T12] [ 500.170729][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 500.170735][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 500.170736][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 500.170740][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 500.170742][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 500.170746][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170748][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 500.170751][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 500.170754][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 500.170759][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 500.170761][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 500.170763][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 500.170765][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 500.170767][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 500.170769][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 500.170774][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 500.170776][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 500.170778][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 500.170780][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170781][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170783][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 500.170786][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 500.170788][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170789][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170790][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170791][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.170794][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 500.170795][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 500.170798][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 500.170800][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 500.170802][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.170804][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 500.170806][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170807][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 500.170808][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 500.170810][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 500.170811][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 500.170814][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 500.170815][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 500.170817][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 500.170818][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 500.170819][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 500.170822][ T12] ? kthread (kernel/kthread.c:436) [ 500.170824][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 500.170827][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 500.170830][ T12] _printk (kernel/printk/printk.c:2504) [ 500.170833][ T12] ? snapshot_read.cold (user.c:?) [ 500.170835][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 500.170838][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 500.170840][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 500.170842][ T12] ? netdev_notice (net/core/dev.c:13194) [ 500.170845][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170846][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 500.170847][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 500.170850][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 500.170852][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 500.170853][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 500.170855][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 500.170858][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 500.170862][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 500.170864][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 500.170866][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 500.170868][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 500.170870][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 500.170873][ T12] cleanup_net (net/core/net_namespace.c:706) [ 500.170875][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 500.170877][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.170879][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.170881][ T12] process_one_work (kernel/workqueue.c:3387) [ 500.170884][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 500.170886][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 500.170889][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 500.170892][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 500.170894][ T12] kthread (kernel/kthread.c:436) [ 500.170895][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 500.170897][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 500.170899][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 500.170901][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 500.170903][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 500.170906][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 500.170908][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 501.371925][T10822] softirqs last disabled at (0): 0x0 | [ 501.371926][T10822] Preemption disabled at: | [ 501.371927][T10822] vprintk_emit (kernel/printk/printk.c:2471) | [ 501.371937][T10822] Tainted: [W]=WARN [ 501.371938][T10822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 501.371939][T10822] Call Trace: [ 501.371941][T10822] [ 501.371942][T10822] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 501.371948][T10822] ? vprintk_emit (kernel/printk/printk.c:2471) [ 501.371949][T10822] __might_resched.cold (kernel/sched/core.c:9234) [ 501.371953][T10822] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 501.371955][T10822] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 501.371959][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.371961][T10822] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 501.371964][T10822] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.371967][T10822] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 501.371972][T10822] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 501.371974][T10822] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 501.371977][T10822] put_chars (drivers/char/virtio_console.c:1176) [ 501.371978][T10822] ? __send_to_port (drivers/char/virtio_console.c:654) [ 501.371980][T10822] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 501.371982][T10822] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 501.371987][T10822] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 501.371989][T10822] ? vsnprintf (lib/vsprintf.c:2900) [ 501.371992][T10822] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.371994][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.371995][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.371997][T10822] console_emit_next_record (kernel/printk/printk.c:3183) [ 501.371999][T10822] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 501.372001][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372002][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372003][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372004][T10822] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.372007][T10822] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 501.372009][T10822] console_flush_one_record (kernel/printk/printk.c:3268) [ 501.372011][T10822] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 501.372014][T10822] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 501.372016][T10822] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.372017][T10822] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 501.372019][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372020][T10822] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.372022][T10822] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 501.372023][T10822] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 501.372025][T10822] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 501.372027][T10822] ? vprintk_emit (kernel/printk/printk.c:2478) [ 501.372028][T10822] vprintk_emit (kernel/printk/printk.c:2479) [ 501.372030][T10822] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 501.372031][T10822] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.372033][T10822] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 501.372035][T10822] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.372037][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372038][T10822] _printk (kernel/printk/printk.c:2504) [ 501.372041][T10822] ? snapshot_read.cold (user.c:?) [ 501.372043][T10822] ? br_multicast_flood (??:?) [ 501.372047][T10822] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 501.372050][T10822] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 501.372051][T10822] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 501.372053][T10822] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 501.372056][T10822] br_init_port (net/bridge/br_stp_if.c:39) [ 501.372057][T10822] new_nbp (net/bridge/br_if.c:449) [ 501.372060][T10822] br_add_if (net/bridge/br_if.c:592) [ 501.372061][T10822] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 501.372065][T10822] do_set_master (net/core/rtnetlink.c:3071) [ 501.372067][T10822] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 501.372069][T10822] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 501.372070][T10822] ? __dev_get_by_name (net/core/dev.c:905) [ 501.372072][T10822] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 501.372076][T10822] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 501.372078][T10822] rtnl_newlink (net/core/rtnetlink.c:4215) [ 501.372080][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372081][T10822] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 501.372083][T10822] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.372084][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372086][T10822] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 501.372088][T10822] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 501.372090][T10822] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 501.372093][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372094][T10822] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.372095][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372097][T10822] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 501.372098][T10822] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 501.372100][T10822] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 501.372101][T10822] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 501.372102][T10822] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 501.372106][T10822] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 501.372109][T10822] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 501.372110][T10822] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.372112][T10822] ? netlink_ack (./include/linux/skbuff.h:2718) [ 501.372114][T10822] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 501.372117][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372118][T10822] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.372120][T10822] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 501.372122][T10822] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 501.372124][T10822] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 501.372126][T10822] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 501.372129][T10822] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 501.372131][T10822] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 501.372134][T10822] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.372135][T10822] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 501.372139][T10822] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 501.372142][T10822] ____sys_sendmsg (net/socket.c:2713) [ 501.372143][T10822] ? copy_msghdr_from_user (net/socket.c:2650) [ 501.372145][T10822] ? sock_write_iter (net/socket.c:1269) [ 501.372147][T10822] ? move_addr_to_kernel (net/socket.c:258) [ 501.372149][T10822] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 501.372151][T10822] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.372153][T10822] ___sys_sendmsg (net/socket.c:2767) [ 501.372155][T10822] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 501.372156][T10822] ? copy_msghdr_from_user (net/socket.c:2619) [ 501.372158][T10822] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 501.372163][T10822] __sys_sendmsg (net/socket.c:2799) [ 501.372167][T10822] ? __sys_sendmsg_sock (net/socket.c:2780) [ 501.372170][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372171][T10822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.372172][T10822] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 501.372175][T10822] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 501.372177][T10822] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 501.372179][T10822] RIP: 0033:0x7f190cc7854e [ 501.372181][T10822] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 501.372183][T10822] RSP: 002b:00007ffe468b6c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 501.372186][T10822] RAX: ffffffffffffffda RBX: 00007ffe468b7408 RCX: 00007f190cc7854e [ 501.372188][T10822] RDX: 0000000000000000 RSI: 00007ffe468b6cf0 RDI: 0000000000000005 [ 501.372189][T10822] RBP: 00007ffe468b6c50 R08: 0000000000000000 R09: 0000000000000000 [ 501.372189][T10822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b2e [ 501.372190][T10822] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe468b73c0 | [ 502.708110][T10892] softirqs last disabled at (0): 0x0 | [ 502.708112][T10892] Preemption disabled at: | [ 502.708113][T10892] vprintk_emit (kernel/printk/printk.c:2471) | [ 502.708122][T10892] Tainted: [W]=WARN [ 502.708124][T10892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 502.708125][T10892] Call Trace: [ 502.708127][T10892] [ 502.708128][T10892] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 502.708134][T10892] ? vprintk_emit (kernel/printk/printk.c:2471) [ 502.708135][T10892] __might_resched.cold (kernel/sched/core.c:9234) [ 502.708139][T10892] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 502.708142][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708145][T10892] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 502.708148][T10892] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.708151][T10892] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 502.708156][T10892] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 502.708158][T10892] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 502.708160][T10892] put_chars (drivers/char/virtio_console.c:1176) [ 502.708162][T10892] ? __send_to_port (drivers/char/virtio_console.c:654) [ 502.708166][T10892] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 502.708169][T10892] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 502.708171][T10892] ? pointer (lib/vsprintf.c:2577) [ 502.708175][T10892] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 502.708179][T10892] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 502.708181][T10892] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.708183][T10892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.708186][T10892] console_emit_next_record (kernel/printk/printk.c:3183) [ 502.708189][T10892] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 502.708191][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708192][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708193][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708194][T10892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.708196][T10892] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 502.708198][T10892] console_flush_one_record (kernel/printk/printk.c:3268) [ 502.708200][T10892] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 502.708203][T10892] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 502.708205][T10892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.708207][T10892] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 502.708208][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708209][T10892] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.708211][T10892] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 502.708212][T10892] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 502.708214][T10892] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 502.708216][T10892] ? vprintk_emit (kernel/printk/printk.c:2478) [ 502.708217][T10892] vprintk_emit (kernel/printk/printk.c:2479) [ 502.708219][T10892] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 502.708220][T10892] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 502.708223][T10892] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 502.708226][T10892] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 502.708228][T10892] _printk (kernel/printk/printk.c:2504) [ 502.708231][T10892] ? snapshot_read.cold (user.c:?) [ 502.708233][T10892] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 502.708235][T10892] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 502.708238][T10892] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 502.708240][T10892] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 502.708243][T10892] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 502.708246][T10892] ? netdev_notice (net/core/dev.c:13194) [ 502.708248][T10892] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 502.708249][T10892] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 502.708252][T10892] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.708254][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708255][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708256][T10892] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 502.708257][T10892] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 502.708259][T10892] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 502.708260][T10892] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 502.708261][T10892] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 502.708263][T10892] ? register_netdev (net/core/dev.c:11618) [ 502.708264][T10892] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.708266][T10892] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 502.708269][T10892] ? __kernel_text_address (kernel/extable.c:79) [ 502.708271][T10892] ? write_profile (profile.c:?) [ 502.708274][T10892] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 502.708278][T10892] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 502.708280][T10892] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 502.708281][T10892] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 502.708282][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708283][T10892] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 502.708287][T10892] ? kasan_save_stack (mm/kasan/common.c:58) [ 502.708289][T10892] ? kasan_save_stack (mm/kasan/common.c:57) [ 502.708290][T10892] ? kasan_save_track (mm/kasan/common.c:78) [ 502.708291][T10892] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 502.708292][T10892] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 502.708293][T10892] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 502.708294][T10892] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 502.708296][T10892] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 502.708298][T10892] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 502.708300][T10892] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 502.708301][T10892] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 502.708304][T10892] ? ____sys_sendmsg (net/socket.c:2713) [ 502.708305][T10892] ? ___sys_sendmsg (net/socket.c:2767) [ 502.708307][T10892] ? __sys_sendmsg (net/socket.c:2799) [ 502.708309][T10892] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 502.708311][T10892] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 502.708314][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708315][T10892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.708316][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708317][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708319][T10892] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 502.708320][T10892] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 502.708321][T10892] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 502.708323][T10892] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 502.708324][T10892] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 502.708325][T10892] ? nla_get_range_signed (lib/nlattr.c:270) [ 502.708329][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708330][T10892] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 502.708332][T10892] rtnl_newlink (net/core/rtnetlink.c:4215) [ 502.708334][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708335][T10892] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 502.708336][T10892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.708338][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708339][T10892] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 502.708341][T10892] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 502.708343][T10892] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 502.708344][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708345][T10892] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 502.708349][T10892] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 502.708351][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708352][T10892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.708353][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708355][T10892] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 502.708356][T10892] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 502.708357][T10892] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 502.708359][T10892] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 502.708360][T10892] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 502.708363][T10892] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 502.708364][T10892] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 502.708366][T10892] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.708367][T10892] ? netlink_ack (./include/linux/skbuff.h:2718) [ 502.708369][T10892] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 502.708372][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708373][T10892] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.708375][T10892] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 502.708377][T10892] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 502.708379][T10892] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 502.708381][T10892] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 502.708383][T10892] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 502.708385][T10892] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 502.708387][T10892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.708388][T10892] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 502.708391][T10892] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 502.708393][T10892] ____sys_sendmsg (net/socket.c:2713) [ 502.708395][T10892] ? copy_msghdr_from_user (net/socket.c:2650) [ 502.708397][T10892] ? sock_write_iter (net/socket.c:1269) [ 502.708398][T10892] ? move_addr_to_kernel (net/socket.c:258) [ 502.708400][T10892] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 502.708402][T10892] ___sys_sendmsg (net/socket.c:2767) [ 502.708404][T10892] ? copy_msghdr_from_user (net/socket.c:2619) [ 502.708409][T10892] __sys_sendmsg (net/socket.c:2799) [ 502.708411][T10892] ? __sys_sendmsg_sock (net/socket.c:2780) [ 502.708414][T10892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.708415][T10892] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 502.708417][T10892] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 502.708419][T10892] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 502.708421][T10892] RIP: 0033:0x7f78670b654e [ 502.708423][T10892] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 502.708424][T10892] RSP: 002b:00007ffcbab3b090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 502.708428][T10892] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f78670b654e [ 502.708430][T10892] RDX: 0000000000000000 RSI: 00007ffcbab3b140 RDI: 0000000000000005 [ 502.708431][T10892] RBP: 00007ffcbab3b0a0 R08: 0000000000000000 R09: 0000000000000000 [ 502.708432][T10892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b30 [ 502.708432][T10892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbab3b800 | [ 503.767732][T10948] softirqs last disabled at (0): 0x0 | [ 503.767734][T10948] Preemption disabled at: | [ 503.767735][T10948] vprintk_emit (kernel/printk/printk.c:2471) | [ 503.767744][T10948] Tainted: [W]=WARN [ 503.767745][T10948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 503.767747][T10948] Call Trace: [ 503.767749][T10948] [ 503.767750][T10948] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 503.767756][T10948] ? vprintk_emit (kernel/printk/printk.c:2471) [ 503.767757][T10948] __might_resched.cold (kernel/sched/core.c:9234) [ 503.767760][T10948] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 503.767762][T10948] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 503.767766][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767768][T10948] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 503.767771][T10948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 503.767774][T10948] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 503.767780][T10948] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 503.767781][T10948] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 503.767784][T10948] put_chars (drivers/char/virtio_console.c:1176) [ 503.767786][T10948] ? __send_to_port (drivers/char/virtio_console.c:654) [ 503.767787][T10948] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 503.767790][T10948] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 503.767794][T10948] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 503.767796][T10948] ? vsnprintf (lib/vsprintf.c:2900) [ 503.767799][T10948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 503.767800][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767801][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767803][T10948] console_emit_next_record (kernel/printk/printk.c:3183) [ 503.767806][T10948] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 503.767808][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767809][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767810][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767811][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 503.767814][T10948] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 503.767815][T10948] console_flush_one_record (kernel/printk/printk.c:3268) [ 503.767818][T10948] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 503.767820][T10948] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 503.767822][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 503.767824][T10948] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 503.767825][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767826][T10948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 503.767828][T10948] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 503.767830][T10948] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 503.767831][T10948] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 503.767833][T10948] ? vprintk_emit (kernel/printk/printk.c:2478) [ 503.767834][T10948] vprintk_emit (kernel/printk/printk.c:2479) [ 503.767836][T10948] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 503.767837][T10948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 503.767839][T10948] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 503.767842][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 503.767843][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767845][T10948] _printk (kernel/printk/printk.c:2504) [ 503.767848][T10948] ? snapshot_read.cold (user.c:?) [ 503.767850][T10948] ? br_multicast_flood (??:?) [ 503.767853][T10948] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 503.767856][T10948] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 503.767857][T10948] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 503.767859][T10948] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 503.767862][T10948] br_init_port (net/bridge/br_stp_if.c:39) [ 503.767864][T10948] new_nbp (net/bridge/br_if.c:449) [ 503.767866][T10948] br_add_if (net/bridge/br_if.c:592) [ 503.767867][T10948] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 503.767872][T10948] do_set_master (net/core/rtnetlink.c:3071) [ 503.767873][T10948] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 503.767875][T10948] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 503.767877][T10948] ? __dev_get_by_name (net/core/dev.c:905) [ 503.767879][T10948] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 503.767883][T10948] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 503.767885][T10948] rtnl_newlink (net/core/rtnetlink.c:4215) [ 503.767887][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767888][T10948] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 503.767890][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 503.767891][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767893][T10948] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 503.767895][T10948] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 503.767897][T10948] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 503.767899][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767900][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 503.767902][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767903][T10948] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 503.767904][T10948] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 503.767906][T10948] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 503.767907][T10948] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 503.767909][T10948] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 503.767912][T10948] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 503.767915][T10948] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 503.767917][T10948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 503.767918][T10948] ? netlink_ack (./include/linux/skbuff.h:2718) [ 503.767920][T10948] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 503.767923][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767924][T10948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 503.767926][T10948] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 503.767928][T10948] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 503.767930][T10948] ? next_uptodate_folio (mm/filemap.c:3747) [ 503.767933][T10948] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 503.767935][T10948] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 503.767937][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 503.767938][T10948] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 503.767942][T10948] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 503.767945][T10948] ____sys_sendmsg (net/socket.c:2713) [ 503.767946][T10948] ? copy_msghdr_from_user (net/socket.c:2650) [ 503.767948][T10948] ? sock_write_iter (net/socket.c:1269) [ 503.767950][T10948] ? move_addr_to_kernel (net/socket.c:258) [ 503.767952][T10948] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 503.767954][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 503.767956][T10948] ___sys_sendmsg (net/socket.c:2767) [ 503.767958][T10948] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 503.767959][T10948] ? copy_msghdr_from_user (net/socket.c:2619) [ 503.767961][T10948] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 503.767966][T10948] __sys_sendmsg (net/socket.c:2799) [ 503.767968][T10948] ? __sys_sendmsg_sock (net/socket.c:2780) [ 503.767970][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767972][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 503.767973][T10948] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 503.767976][T10948] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 503.767977][T10948] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 503.767980][T10948] RIP: 0033:0x7f2bbbf6c54e [ 503.767981][T10948] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 503.767983][T10948] RSP: 002b:00007ffde9ccc880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 503.767987][T10948] RAX: ffffffffffffffda RBX: 00007ffde9ccd048 RCX: 00007f2bbbf6c54e [ 503.767988][T10948] RDX: 0000000000000000 RSI: 00007ffde9ccc930 RDI: 0000000000000005 [ 503.767989][T10948] RBP: 00007ffde9ccc890 R08: 0000000000000000 R09: 0000000000000000 [ 503.767990][T10948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b31 [ 503.767991][T10948] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde9ccd000 | [ 510.581597][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 510.581599][ T12] Preemption disabled at: | [ 510.581600][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 510.581611][ T12] Tainted: [W]=WARN [ 510.581612][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 510.581614][ T12] Workqueue: netns cleanup_net [ 510.581624][ T12] Call Trace: [ 510.581626][ T12] [ 510.581627][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 510.581633][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 510.581634][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 510.581637][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 510.581640][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 510.581643][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581645][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 510.581648][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.581651][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 510.581656][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 510.581658][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 510.581660][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 510.581662][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 510.581664][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 510.581666][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 510.581671][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 510.581673][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 510.581675][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.581677][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581678][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581680][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 510.581682][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 510.581684][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581685][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581686][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581687][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.581690][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 510.581692][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 510.581694][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 510.581697][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 510.581699][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.581700][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 510.581702][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581703][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.581705][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 510.581706][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 510.581708][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 510.581710][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 510.581711][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 510.581713][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 510.581714][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 510.581715][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 510.581718][ T12] ? kthread (kernel/kthread.c:436) [ 510.581720][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 510.581723][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 510.581726][ T12] _printk (kernel/printk/printk.c:2504) [ 510.581729][ T12] ? snapshot_read.cold (user.c:?) [ 510.581731][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 510.581734][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 510.581736][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 510.581739][ T12] ? netdev_notice (net/core/dev.c:13194) [ 510.581741][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581742][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 510.581744][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 510.581747][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 510.581748][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 510.581750][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 510.581752][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 510.581755][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 510.581759][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 510.581761][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 510.581763][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 510.581765][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 510.581767][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 510.581770][ T12] cleanup_net (net/core/net_namespace.c:706) [ 510.581772][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 510.581773][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 510.581776][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.581778][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.581779][ T12] process_one_work (kernel/workqueue.c:3387) [ 510.581782][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 510.581785][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.581787][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 510.581790][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 510.581792][ T12] kthread (kernel/kthread.c:436) [ 510.581794][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 510.581795][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 510.581797][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 510.581799][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 510.581801][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 510.581804][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 510.581806][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 511.762461][T11111] softirqs last disabled at (0): 0x0 | [ 511.762463][T11111] Preemption disabled at: | [ 511.762464][T11111] vprintk_emit (kernel/printk/printk.c:2471) | [ 511.762474][T11111] Tainted: [W]=WARN [ 511.762475][T11111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 511.762477][T11111] Call Trace: [ 511.762478][T11111] [ 511.762480][T11111] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 511.762485][T11111] ? vprintk_emit (kernel/printk/printk.c:2471) [ 511.762487][T11111] __might_resched.cold (kernel/sched/core.c:9234) [ 511.762490][T11111] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 511.762492][T11111] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 511.762496][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762499][T11111] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 511.762502][T11111] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.762504][T11111] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 511.762510][T11111] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 511.762512][T11111] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 511.762514][T11111] put_chars (drivers/char/virtio_console.c:1176) [ 511.762516][T11111] ? __send_to_port (drivers/char/virtio_console.c:654) [ 511.762517][T11111] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 511.762520][T11111] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 511.762524][T11111] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 511.762526][T11111] ? vsnprintf (lib/vsprintf.c:2900) [ 511.762529][T11111] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.762531][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762532][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762534][T11111] console_emit_next_record (kernel/printk/printk.c:3183) [ 511.762537][T11111] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 511.762539][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762540][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762541][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762542][T11111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.762545][T11111] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 511.762546][T11111] console_flush_one_record (kernel/printk/printk.c:3268) [ 511.762549][T11111] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 511.762551][T11111] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 511.762553][T11111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.762555][T11111] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 511.762557][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762558][T11111] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.762559][T11111] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 511.762561][T11111] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 511.762562][T11111] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 511.762564][T11111] ? vprintk_emit (kernel/printk/printk.c:2478) [ 511.762565][T11111] vprintk_emit (kernel/printk/printk.c:2479) [ 511.762567][T11111] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 511.762568][T11111] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.762570][T11111] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 511.762573][T11111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.762574][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762576][T11111] _printk (kernel/printk/printk.c:2504) [ 511.762579][T11111] ? snapshot_read.cold (user.c:?) [ 511.762581][T11111] ? br_multicast_flood (??:?) [ 511.762584][T11111] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 511.762587][T11111] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 511.762588][T11111] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 511.762590][T11111] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 511.762593][T11111] br_init_port (net/bridge/br_stp_if.c:39) [ 511.762595][T11111] new_nbp (net/bridge/br_if.c:449) [ 511.762597][T11111] br_add_if (net/bridge/br_if.c:592) [ 511.762599][T11111] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 511.762603][T11111] do_set_master (net/core/rtnetlink.c:3071) [ 511.762605][T11111] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 511.762606][T11111] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 511.762608][T11111] ? __dev_get_by_name (net/core/dev.c:905) [ 511.762609][T11111] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 511.762613][T11111] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 511.762616][T11111] rtnl_newlink (net/core/rtnetlink.c:4215) [ 511.762618][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762619][T11111] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 511.762624][T11111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.762626][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762627][T11111] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 511.762630][T11111] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 511.762632][T11111] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 511.762634][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762635][T11111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.762637][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762638][T11111] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 511.762642][T11111] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 511.762644][T11111] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 511.762645][T11111] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 511.762646][T11111] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 511.762650][T11111] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 511.762653][T11111] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 511.762654][T11111] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.762656][T11111] ? netlink_ack (./include/linux/skbuff.h:2718) [ 511.762658][T11111] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 511.762660][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762662][T11111] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.762664][T11111] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 511.762666][T11111] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 511.762668][T11111] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 511.762671][T11111] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 511.762673][T11111] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 511.762676][T11111] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 511.762678][T11111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.762679][T11111] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 511.762683][T11111] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 511.762686][T11111] ____sys_sendmsg (net/socket.c:2713) [ 511.762687][T11111] ? copy_msghdr_from_user (net/socket.c:2650) [ 511.762689][T11111] ? sock_write_iter (net/socket.c:1269) [ 511.762690][T11111] ? move_addr_to_kernel (net/socket.c:258) [ 511.762693][T11111] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 511.762695][T11111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.762697][T11111] ___sys_sendmsg (net/socket.c:2767) [ 511.762699][T11111] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 511.762700][T11111] ? copy_msghdr_from_user (net/socket.c:2619) [ 511.762702][T11111] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 511.762707][T11111] __sys_sendmsg (net/socket.c:2799) [ 511.762709][T11111] ? __sys_sendmsg_sock (net/socket.c:2780) [ 511.762711][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762713][T11111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.762714][T11111] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 511.762716][T11111] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 511.762718][T11111] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 511.762720][T11111] RIP: 0033:0x7f5aa95a154e [ 511.762722][T11111] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 511.762724][T11111] RSP: 002b:00007ffcec0fb2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 511.762728][T11111] RAX: ffffffffffffffda RBX: 00007ffcec0fbab8 RCX: 00007f5aa95a154e [ 511.762730][T11111] RDX: 0000000000000000 RSI: 00007ffcec0fb3a0 RDI: 0000000000000005 [ 511.762731][T11111] RBP: 00007ffcec0fb300 R08: 0000000000000000 R09: 0000000000000000 [ 511.762732][T11111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b39 [ 511.762733][T11111] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcec0fba70 | [ 513.059461][T11179] softirqs last disabled at (0): 0x0 | [ 513.059462][T11179] Preemption disabled at: | [ 513.059463][T11179] vprintk_emit (kernel/printk/printk.c:2471) | [ 513.059473][T11179] Tainted: [W]=WARN [ 513.059474][T11179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 513.059476][T11179] Call Trace: [ 513.059478][T11179] [ 513.059479][T11179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 513.059485][T11179] ? vprintk_emit (kernel/printk/printk.c:2471) [ 513.059487][T11179] __might_resched.cold (kernel/sched/core.c:9234) [ 513.059491][T11179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 513.059495][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059497][T11179] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 513.059501][T11179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 513.059504][T11179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 513.059509][T11179] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 513.059511][T11179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 513.059514][T11179] put_chars (drivers/char/virtio_console.c:1176) [ 513.059516][T11179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 513.059517][T11179] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 513.059520][T11179] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 513.059522][T11179] ? pointer (lib/vsprintf.c:2577) [ 513.059526][T11179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 513.059531][T11179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 513.059532][T11179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 513.059534][T11179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.059537][T11179] console_emit_next_record (kernel/printk/printk.c:3183) [ 513.059540][T11179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 513.059543][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059544][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059545][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059546][T11179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.059548][T11179] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 513.059550][T11179] console_flush_one_record (kernel/printk/printk.c:3268) [ 513.059553][T11179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 513.059556][T11179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 513.059558][T11179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.059559][T11179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 513.059561][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059562][T11179] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.059564][T11179] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 513.059565][T11179] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 513.059567][T11179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 513.059569][T11179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 513.059571][T11179] vprintk_emit (kernel/printk/printk.c:2479) [ 513.059573][T11179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 513.059574][T11179] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 513.059577][T11179] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 513.059581][T11179] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 513.059583][T11179] _printk (kernel/printk/printk.c:2504) [ 513.059587][T11179] ? snapshot_read.cold (user.c:?) [ 513.059589][T11179] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 513.059591][T11179] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 513.059595][T11179] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 513.059597][T11179] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 513.059600][T11179] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 513.059603][T11179] ? netdev_notice (net/core/dev.c:13194) [ 513.059605][T11179] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 513.059607][T11179] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 513.059610][T11179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 513.059612][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059614][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059615][T11179] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 513.059617][T11179] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 513.059619][T11179] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 513.059621][T11179] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 513.059622][T11179] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 513.059628][T11179] ? register_netdev (net/core/dev.c:11618) [ 513.059630][T11179] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.059633][T11179] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 513.059636][T11179] ? __kernel_text_address (kernel/extable.c:79) [ 513.059639][T11179] ? write_profile (profile.c:?) [ 513.059642][T11179] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 513.059646][T11179] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 513.059648][T11179] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 513.059650][T11179] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 513.059652][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059653][T11179] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 513.059657][T11179] ? kasan_save_stack (mm/kasan/common.c:58) [ 513.059659][T11179] ? kasan_save_stack (mm/kasan/common.c:57) [ 513.059661][T11179] ? kasan_save_track (mm/kasan/common.c:78) [ 513.059662][T11179] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 513.059663][T11179] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 513.059665][T11179] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 513.059666][T11179] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 513.059668][T11179] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 513.059671][T11179] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 513.059673][T11179] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 513.059674][T11179] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 513.059677][T11179] ? ____sys_sendmsg (net/socket.c:2713) [ 513.059678][T11179] ? ___sys_sendmsg (net/socket.c:2767) [ 513.059680][T11179] ? __sys_sendmsg (net/socket.c:2799) [ 513.059682][T11179] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 513.059684][T11179] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 513.059687][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059688][T11179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.059689][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059691][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059692][T11179] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 513.059694][T11179] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 513.059695][T11179] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 513.059696][T11179] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 513.059698][T11179] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 513.059699][T11179] ? nla_get_range_signed (lib/nlattr.c:270) [ 513.059703][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059704][T11179] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 513.059706][T11179] rtnl_newlink (net/core/rtnetlink.c:4215) [ 513.059708][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059710][T11179] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 513.059711][T11179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.059713][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059714][T11179] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 513.059717][T11179] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 513.059718][T11179] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 513.059720][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059721][T11179] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 513.059724][T11179] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 513.059727][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059728][T11179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.059729][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059731][T11179] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 513.059732][T11179] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 513.059734][T11179] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 513.059735][T11179] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 513.059737][T11179] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 513.059740][T11179] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 513.059742][T11179] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 513.059743][T11179] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.059745][T11179] ? netlink_ack (./include/linux/skbuff.h:2718) [ 513.059747][T11179] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 513.059750][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059752][T11179] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.059754][T11179] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 513.059756][T11179] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 513.059758][T11179] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 513.059760][T11179] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 513.059763][T11179] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 513.059765][T11179] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 513.059767][T11179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.059768][T11179] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 513.059772][T11179] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 513.059774][T11179] ____sys_sendmsg (net/socket.c:2713) [ 513.059776][T11179] ? copy_msghdr_from_user (net/socket.c:2650) [ 513.059778][T11179] ? sock_write_iter (net/socket.c:1269) [ 513.059779][T11179] ? move_addr_to_kernel (net/socket.c:258) [ 513.059781][T11179] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 513.059784][T11179] ___sys_sendmsg (net/socket.c:2767) [ 513.059786][T11179] ? copy_msghdr_from_user (net/socket.c:2619) [ 513.059792][T11179] __sys_sendmsg (net/socket.c:2799) [ 513.059794][T11179] ? __sys_sendmsg_sock (net/socket.c:2780) [ 513.059797][T11179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.059798][T11179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 513.059800][T11179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 513.059802][T11179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 513.059804][T11179] RIP: 0033:0x7f12fefde54e [ 513.059806][T11179] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 513.059808][T11179] RSP: 002b:00007ffea0e9c670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 513.059812][T11179] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f12fefde54e [ 513.059813][T11179] RDX: 0000000000000000 RSI: 00007ffea0e9c720 RDI: 0000000000000005 [ 513.059814][T11179] RBP: 00007ffea0e9c680 R08: 0000000000000000 R09: 0000000000000000 [ 513.059815][T11179] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b3a [ 513.059816][T11179] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea0e9cde0 | [ 514.165327][T11237] softirqs last disabled at (0): 0x0 | [ 514.165329][T11237] Preemption disabled at: | [ 514.165329][T11237] vprintk_emit (kernel/printk/printk.c:2471) | [ 514.165339][T11237] Tainted: [W]=WARN [ 514.165340][T11237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 514.165342][T11237] Call Trace: [ 514.165343][T11237] [ 514.165345][T11237] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 514.165351][T11237] ? vprintk_emit (kernel/printk/printk.c:2471) [ 514.165352][T11237] __might_resched.cold (kernel/sched/core.c:9234) [ 514.165356][T11237] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 514.165358][T11237] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 514.165361][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165364][T11237] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 514.165366][T11237] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 514.165369][T11237] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 514.165375][T11237] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 514.165376][T11237] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 514.165379][T11237] put_chars (drivers/char/virtio_console.c:1176) [ 514.165380][T11237] ? __send_to_port (drivers/char/virtio_console.c:654) [ 514.165382][T11237] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 514.165385][T11237] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 514.165389][T11237] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 514.165391][T11237] ? vsnprintf (lib/vsprintf.c:2900) [ 514.165395][T11237] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 514.165396][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165398][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165399][T11237] console_emit_next_record (kernel/printk/printk.c:3183) [ 514.165402][T11237] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 514.165404][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165405][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165406][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165408][T11237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 514.165410][T11237] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 514.165412][T11237] console_flush_one_record (kernel/printk/printk.c:3268) [ 514.165415][T11237] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 514.165417][T11237] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 514.165419][T11237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 514.165421][T11237] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 514.165422][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165423][T11237] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 514.165425][T11237] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 514.165427][T11237] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 514.165428][T11237] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 514.165430][T11237] ? vprintk_emit (kernel/printk/printk.c:2478) [ 514.165431][T11237] vprintk_emit (kernel/printk/printk.c:2479) [ 514.165433][T11237] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 514.165434][T11237] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 514.165436][T11237] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 514.165439][T11237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 514.165441][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165442][T11237] _printk (kernel/printk/printk.c:2504) [ 514.165445][T11237] ? snapshot_read.cold (user.c:?) [ 514.165447][T11237] ? br_multicast_flood (??:?) [ 514.165451][T11237] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 514.165454][T11237] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 514.165455][T11237] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 514.165457][T11237] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 514.165460][T11237] br_init_port (net/bridge/br_stp_if.c:39) [ 514.165461][T11237] new_nbp (net/bridge/br_if.c:449) [ 514.165464][T11237] br_add_if (net/bridge/br_if.c:592) [ 514.165465][T11237] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 514.165469][T11237] do_set_master (net/core/rtnetlink.c:3071) [ 514.165471][T11237] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 514.165473][T11237] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 514.165474][T11237] ? __dev_get_by_name (net/core/dev.c:905) [ 514.165476][T11237] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 514.165480][T11237] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 514.165483][T11237] rtnl_newlink (net/core/rtnetlink.c:4215) [ 514.165485][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165486][T11237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 514.165487][T11237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 514.165489][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165490][T11237] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 514.165493][T11237] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 514.165495][T11237] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 514.165497][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165498][T11237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 514.165500][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165501][T11237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 514.165503][T11237] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 514.165504][T11237] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 514.165506][T11237] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 514.165507][T11237] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 514.165511][T11237] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 514.165514][T11237] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 514.165515][T11237] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 514.165517][T11237] ? netlink_ack (./include/linux/skbuff.h:2718) [ 514.165519][T11237] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 514.165522][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165523][T11237] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 514.165525][T11237] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 514.165527][T11237] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 514.165529][T11237] ? next_uptodate_folio (mm/filemap.c:3747) [ 514.165532][T11237] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 514.165534][T11237] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 514.165536][T11237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 514.165538][T11237] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 514.165541][T11237] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 514.165544][T11237] ____sys_sendmsg (net/socket.c:2713) [ 514.165546][T11237] ? copy_msghdr_from_user (net/socket.c:2650) [ 514.165548][T11237] ? sock_write_iter (net/socket.c:1269) [ 514.165549][T11237] ? move_addr_to_kernel (net/socket.c:258) [ 514.165551][T11237] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 514.165554][T11237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 514.165556][T11237] ___sys_sendmsg (net/socket.c:2767) [ 514.165557][T11237] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 514.165559][T11237] ? copy_msghdr_from_user (net/socket.c:2619) [ 514.165561][T11237] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 514.165565][T11237] __sys_sendmsg (net/socket.c:2799) [ 514.165567][T11237] ? __sys_sendmsg_sock (net/socket.c:2780) [ 514.165570][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165571][T11237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 514.165573][T11237] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 514.165576][T11237] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 514.165578][T11237] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 514.165580][T11237] RIP: 0033:0x7f4b7c79954e [ 514.165582][T11237] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 514.165584][T11237] RSP: 002b:00007ffe27957650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 514.165587][T11237] RAX: ffffffffffffffda RBX: 00007ffe27957e18 RCX: 00007f4b7c79954e [ 514.165589][T11237] RDX: 0000000000000000 RSI: 00007ffe27957700 RDI: 0000000000000005 [ 514.165590][T11237] RBP: 00007ffe27957660 R08: 0000000000000000 R09: 0000000000000000 [ 514.165591][T11237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b3b [ 514.165592][T11237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe27957dd0 | [ 520.916121][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 520.916123][ T12] Preemption disabled at: | [ 520.916124][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 520.916135][ T12] Tainted: [W]=WARN [ 520.916136][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 520.916138][ T12] Workqueue: netns cleanup_net [ 520.916144][ T12] Call Trace: [ 520.916145][ T12] [ 520.916147][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 520.916152][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 520.916154][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 520.916158][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 520.916160][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 520.916168][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916171][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 520.916174][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.916177][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.916182][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 520.916184][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.916186][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 520.916188][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 520.916190][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 520.916192][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 520.916197][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 520.916198][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 520.916201][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.916202][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916204][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916205][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 520.916208][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 520.916210][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916211][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916212][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916213][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.916216][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 520.916218][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 520.916220][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 520.916223][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 520.916225][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.916227][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 520.916228][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916229][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.916231][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 520.916233][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 520.916234][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 520.916236][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 520.916237][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 520.916239][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 520.916240][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 520.916242][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 520.916245][ T12] ? kthread (kernel/kthread.c:436) [ 520.916247][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 520.916250][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 520.916252][ T12] _printk (kernel/printk/printk.c:2504) [ 520.916256][ T12] ? snapshot_read.cold (user.c:?) [ 520.916258][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 520.916261][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 520.916263][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 520.916265][ T12] ? netdev_notice (net/core/dev.c:13194) [ 520.916267][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916269][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 520.916270][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 520.916273][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 520.916275][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 520.916276][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 520.916279][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 520.916282][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 520.916285][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 520.916288][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 520.916290][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 520.916292][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 520.916294][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 520.916297][ T12] cleanup_net (net/core/net_namespace.c:706) [ 520.916299][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 520.916301][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916302][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.916304][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.916305][ T12] process_one_work (kernel/workqueue.c:3387) [ 520.916308][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 520.916311][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.916313][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 520.916316][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 520.916318][ T12] kthread (kernel/kthread.c:436) [ 520.916320][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 520.916322][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 520.916324][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 520.916325][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 520.916327][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 520.916330][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 520.916332][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 522.108114][T11401] softirqs last disabled at (0): 0x0 | [ 522.108115][T11401] Preemption disabled at: | [ 522.108116][T11401] vprintk_emit (kernel/printk/printk.c:2471) | [ 522.108126][T11401] Tainted: [W]=WARN [ 522.108127][T11401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 522.108129][T11401] Call Trace: [ 522.108131][T11401] [ 522.108132][T11401] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 522.108138][T11401] ? vprintk_emit (kernel/printk/printk.c:2471) [ 522.108139][T11401] __might_resched.cold (kernel/sched/core.c:9234) [ 522.108143][T11401] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 522.108145][T11401] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 522.108148][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108151][T11401] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 522.108154][T11401] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.108157][T11401] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 522.108163][T11401] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 522.108167][T11401] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 522.108169][T11401] put_chars (drivers/char/virtio_console.c:1176) [ 522.108171][T11401] ? __send_to_port (drivers/char/virtio_console.c:654) [ 522.108173][T11401] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 522.108175][T11401] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 522.108180][T11401] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 522.108182][T11401] ? vsnprintf (lib/vsprintf.c:2900) [ 522.108185][T11401] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.108187][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108188][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108190][T11401] console_emit_next_record (kernel/printk/printk.c:3183) [ 522.108192][T11401] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 522.108195][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108196][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108197][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108198][T11401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.108200][T11401] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 522.108202][T11401] console_flush_one_record (kernel/printk/printk.c:3268) [ 522.108204][T11401] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 522.108207][T11401] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 522.108209][T11401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.108211][T11401] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 522.108213][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108214][T11401] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.108215][T11401] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 522.108217][T11401] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 522.108218][T11401] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 522.108220][T11401] ? vprintk_emit (kernel/printk/printk.c:2478) [ 522.108221][T11401] vprintk_emit (kernel/printk/printk.c:2479) [ 522.108224][T11401] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 522.108225][T11401] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.108226][T11401] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 522.108229][T11401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.108231][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108232][T11401] _printk (kernel/printk/printk.c:2504) [ 522.108235][T11401] ? snapshot_read.cold (user.c:?) [ 522.108237][T11401] ? br_multicast_flood (??:?) [ 522.108241][T11401] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 522.108243][T11401] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 522.108245][T11401] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 522.108246][T11401] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 522.108249][T11401] br_init_port (net/bridge/br_stp_if.c:39) [ 522.108251][T11401] new_nbp (net/bridge/br_if.c:449) [ 522.108253][T11401] br_add_if (net/bridge/br_if.c:592) [ 522.108255][T11401] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 522.108259][T11401] do_set_master (net/core/rtnetlink.c:3071) [ 522.108261][T11401] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 522.108263][T11401] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 522.108264][T11401] ? __dev_get_by_name (net/core/dev.c:905) [ 522.108266][T11401] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 522.108270][T11401] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 522.108272][T11401] rtnl_newlink (net/core/rtnetlink.c:4215) [ 522.108274][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108276][T11401] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 522.108277][T11401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.108278][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108280][T11401] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 522.108282][T11401] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 522.108284][T11401] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 522.108287][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108288][T11401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.108289][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108290][T11401] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 522.108292][T11401] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 522.108293][T11401] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 522.108295][T11401] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 522.108296][T11401] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 522.108300][T11401] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 522.108303][T11401] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 522.108304][T11401] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.108306][T11401] ? netlink_ack (./include/linux/skbuff.h:2718) [ 522.108308][T11401] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 522.108310][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108312][T11401] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.108314][T11401] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 522.108316][T11401] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 522.108318][T11401] ? next_uptodate_folio (mm/filemap.c:3747) [ 522.108321][T11401] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 522.108323][T11401] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 522.108325][T11401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.108327][T11401] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 522.108330][T11401] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 522.108333][T11401] ____sys_sendmsg (net/socket.c:2713) [ 522.108335][T11401] ? copy_msghdr_from_user (net/socket.c:2650) [ 522.108337][T11401] ? sock_write_iter (net/socket.c:1269) [ 522.108338][T11401] ? move_addr_to_kernel (net/socket.c:258) [ 522.108341][T11401] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 522.108343][T11401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.108345][T11401] ___sys_sendmsg (net/socket.c:2767) [ 522.108347][T11401] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 522.108348][T11401] ? copy_msghdr_from_user (net/socket.c:2619) [ 522.108350][T11401] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 522.108355][T11401] __sys_sendmsg (net/socket.c:2799) [ 522.108357][T11401] ? __sys_sendmsg_sock (net/socket.c:2780) [ 522.108359][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108361][T11401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.108362][T11401] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 522.108365][T11401] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 522.108367][T11401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 522.108369][T11401] RIP: 0033:0x7f7b336dc54e [ 522.108371][T11401] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 522.108373][T11401] RSP: 002b:00007fffa3769dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 522.108376][T11401] RAX: ffffffffffffffda RBX: 00007fffa376a588 RCX: 00007f7b336dc54e [ 522.108378][T11401] RDX: 0000000000000000 RSI: 00007fffa3769e70 RDI: 0000000000000005 [ 522.108379][T11401] RBP: 00007fffa3769dd0 R08: 0000000000000000 R09: 0000000000000000 [ 522.108380][T11401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b43 [ 522.108381][T11401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa376a540 | [ 523.388542][T11469] softirqs last disabled at (0): 0x0 | [ 523.388544][T11469] Preemption disabled at: | [ 523.388545][T11469] vprintk_emit (kernel/printk/printk.c:2471) | [ 523.388554][T11469] Tainted: [W]=WARN [ 523.388555][T11469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 523.388557][T11469] Call Trace: [ 523.388558][T11469] [ 523.388560][T11469] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 523.388565][T11469] ? vprintk_emit (kernel/printk/printk.c:2471) [ 523.388566][T11469] __might_resched.cold (kernel/sched/core.c:9234) [ 523.388571][T11469] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 523.388574][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388577][T11469] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 523.388580][T11469] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 523.388583][T11469] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 523.388588][T11469] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 523.388590][T11469] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 523.388593][T11469] put_chars (drivers/char/virtio_console.c:1176) [ 523.388594][T11469] ? __send_to_port (drivers/char/virtio_console.c:654) [ 523.388595][T11469] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 523.388598][T11469] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 523.388600][T11469] ? pointer (lib/vsprintf.c:2577) [ 523.388603][T11469] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 523.388609][T11469] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 523.388610][T11469] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 523.388612][T11469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.388615][T11469] console_emit_next_record (kernel/printk/printk.c:3183) [ 523.388618][T11469] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 523.388620][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388621][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388622][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388623][T11469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.388625][T11469] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 523.388627][T11469] console_flush_one_record (kernel/printk/printk.c:3268) [ 523.388629][T11469] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 523.388632][T11469] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 523.388634][T11469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.388635][T11469] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 523.388637][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388638][T11469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 523.388640][T11469] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 523.388641][T11469] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 523.388643][T11469] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 523.388645][T11469] ? vprintk_emit (kernel/printk/printk.c:2478) [ 523.388646][T11469] vprintk_emit (kernel/printk/printk.c:2479) [ 523.388648][T11469] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 523.388649][T11469] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 523.388652][T11469] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 523.388655][T11469] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 523.388657][T11469] _printk (kernel/printk/printk.c:2504) [ 523.388666][T11469] ? snapshot_read.cold (user.c:?) [ 523.388668][T11469] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 523.388670][T11469] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 523.388674][T11469] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 523.388676][T11469] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 523.388679][T11469] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 523.388681][T11469] ? netdev_notice (net/core/dev.c:13194) [ 523.388683][T11469] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 523.388685][T11469] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 523.388687][T11469] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 523.388689][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388690][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388691][T11469] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 523.388693][T11469] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 523.388694][T11469] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 523.388696][T11469] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 523.388697][T11469] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 523.388699][T11469] ? register_netdev (net/core/dev.c:11618) [ 523.388700][T11469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 523.388702][T11469] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 523.388705][T11469] ? __kernel_text_address (kernel/extable.c:79) [ 523.388707][T11469] ? write_profile (profile.c:?) [ 523.388711][T11469] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 523.388714][T11469] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 523.388716][T11469] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 523.388718][T11469] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 523.388719][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388720][T11469] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 523.388723][T11469] ? kasan_save_stack (mm/kasan/common.c:58) [ 523.388725][T11469] ? kasan_save_stack (mm/kasan/common.c:57) [ 523.388726][T11469] ? kasan_save_track (mm/kasan/common.c:78) [ 523.388728][T11469] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 523.388729][T11469] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 523.388730][T11469] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 523.388731][T11469] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 523.388732][T11469] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 523.388735][T11469] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 523.388737][T11469] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 523.388738][T11469] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 523.388741][T11469] ? ____sys_sendmsg (net/socket.c:2713) [ 523.388742][T11469] ? ___sys_sendmsg (net/socket.c:2767) [ 523.388744][T11469] ? __sys_sendmsg (net/socket.c:2799) [ 523.388746][T11469] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 523.388748][T11469] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 523.388750][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388752][T11469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.388753][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388754][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388755][T11469] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 523.388757][T11469] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 523.388758][T11469] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 523.388759][T11469] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 523.388761][T11469] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 523.388762][T11469] ? nla_get_range_signed (lib/nlattr.c:270) [ 523.388766][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388767][T11469] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 523.388769][T11469] rtnl_newlink (net/core/rtnetlink.c:4215) [ 523.388771][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388772][T11469] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 523.388773][T11469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.388775][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388776][T11469] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 523.388779][T11469] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 523.388780][T11469] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 523.388781][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388783][T11469] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 523.388786][T11469] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 523.388788][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388789][T11469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.388791][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388792][T11469] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 523.388793][T11469] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 523.388795][T11469] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 523.388796][T11469] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 523.388798][T11469] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 523.388800][T11469] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 523.388802][T11469] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 523.388803][T11469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 523.388805][T11469] ? netlink_ack (./include/linux/skbuff.h:2718) [ 523.388806][T11469] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 523.388810][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388811][T11469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 523.388813][T11469] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 523.388815][T11469] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 523.388817][T11469] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 523.388819][T11469] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 523.388821][T11469] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 523.388822][T11469] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 523.388824][T11469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.388826][T11469] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 523.388829][T11469] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 523.388831][T11469] ____sys_sendmsg (net/socket.c:2713) [ 523.388833][T11469] ? copy_msghdr_from_user (net/socket.c:2650) [ 523.388835][T11469] ? sock_write_iter (net/socket.c:1269) [ 523.388836][T11469] ? move_addr_to_kernel (net/socket.c:258) [ 523.388838][T11469] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 523.388840][T11469] ___sys_sendmsg (net/socket.c:2767) [ 523.388842][T11469] ? copy_msghdr_from_user (net/socket.c:2619) [ 523.388847][T11469] __sys_sendmsg (net/socket.c:2799) [ 523.388849][T11469] ? __sys_sendmsg_sock (net/socket.c:2780) [ 523.388852][T11469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.388853][T11469] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 523.388855][T11469] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 523.388857][T11469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 523.388859][T11469] RIP: 0033:0x7f41d440854e [ 523.388860][T11469] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 523.388862][T11469] RSP: 002b:00007ffd10080f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 523.388866][T11469] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f41d440854e [ 523.388868][T11469] RDX: 0000000000000000 RSI: 00007ffd10080fc0 RDI: 0000000000000005 [ 523.388869][T11469] RBP: 00007ffd10080f20 R08: 0000000000000000 R09: 0000000000000000 [ 523.388870][T11469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b44 [ 523.388870][T11469] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd10081680 | [ 524.429745][T11527] softirqs last disabled at (0): 0x0 | [ 524.429747][T11527] Preemption disabled at: | [ 524.429748][T11527] vprintk_emit (kernel/printk/printk.c:2471) | [ 524.429758][T11527] Tainted: [W]=WARN [ 524.429759][T11527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 524.429761][T11527] Call Trace: [ 524.429762][T11527] [ 524.429764][T11527] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 524.429769][T11527] ? vprintk_emit (kernel/printk/printk.c:2471) [ 524.429771][T11527] __might_resched.cold (kernel/sched/core.c:9234) [ 524.429774][T11527] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 524.429776][T11527] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 524.429780][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429782][T11527] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 524.429785][T11527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 524.429788][T11527] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 524.429793][T11527] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 524.429795][T11527] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 524.429798][T11527] put_chars (drivers/char/virtio_console.c:1176) [ 524.429799][T11527] ? __send_to_port (drivers/char/virtio_console.c:654) [ 524.429801][T11527] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 524.429803][T11527] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 524.429809][T11527] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 524.429810][T11527] ? vsnprintf (lib/vsprintf.c:2900) [ 524.429814][T11527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 524.429815][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429816][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429818][T11527] console_emit_next_record (kernel/printk/printk.c:3183) [ 524.429821][T11527] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 524.429823][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429824][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429825][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429826][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 524.429829][T11527] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 524.429830][T11527] console_flush_one_record (kernel/printk/printk.c:3268) [ 524.429833][T11527] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 524.429836][T11527] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 524.429837][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 524.429839][T11527] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 524.429841][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429842][T11527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 524.429843][T11527] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 524.429845][T11527] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 524.429846][T11527] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 524.429848][T11527] ? vprintk_emit (kernel/printk/printk.c:2478) [ 524.429850][T11527] vprintk_emit (kernel/printk/printk.c:2479) [ 524.429851][T11527] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 524.429853][T11527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 524.429854][T11527] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 524.429857][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 524.429858][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429860][T11527] _printk (kernel/printk/printk.c:2504) [ 524.429863][T11527] ? snapshot_read.cold (user.c:?) [ 524.429865][T11527] ? br_multicast_flood (??:?) [ 524.429868][T11527] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 524.429871][T11527] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 524.429872][T11527] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 524.429874][T11527] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 524.429877][T11527] br_init_port (net/bridge/br_stp_if.c:39) [ 524.429879][T11527] new_nbp (net/bridge/br_if.c:449) [ 524.429881][T11527] br_add_if (net/bridge/br_if.c:592) [ 524.429883][T11527] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 524.429887][T11527] do_set_master (net/core/rtnetlink.c:3071) [ 524.429889][T11527] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 524.429890][T11527] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 524.429892][T11527] ? __dev_get_by_name (net/core/dev.c:905) [ 524.429894][T11527] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 524.429897][T11527] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 524.429900][T11527] rtnl_newlink (net/core/rtnetlink.c:4215) [ 524.429902][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429903][T11527] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 524.429904][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 524.429906][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429907][T11527] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 524.429910][T11527] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 524.429912][T11527] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 524.429914][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429915][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 524.429916][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429918][T11527] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 524.429919][T11527] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 524.429921][T11527] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 524.429922][T11527] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 524.429924][T11527] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 524.429927][T11527] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 524.429930][T11527] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 524.429932][T11527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 524.429933][T11527] ? netlink_ack (./include/linux/skbuff.h:2718) [ 524.429935][T11527] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 524.429938][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429939][T11527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 524.429941][T11527] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 524.429943][T11527] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 524.429945][T11527] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 524.429948][T11527] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 524.429951][T11527] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 524.429953][T11527] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 524.429955][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 524.429956][T11527] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 524.429960][T11527] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 524.429963][T11527] ____sys_sendmsg (net/socket.c:2713) [ 524.429964][T11527] ? copy_msghdr_from_user (net/socket.c:2650) [ 524.429966][T11527] ? sock_write_iter (net/socket.c:1269) [ 524.429968][T11527] ? move_addr_to_kernel (net/socket.c:258) [ 524.429970][T11527] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 524.429972][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 524.429974][T11527] ___sys_sendmsg (net/socket.c:2767) [ 524.429976][T11527] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 524.429978][T11527] ? copy_msghdr_from_user (net/socket.c:2619) [ 524.429979][T11527] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 524.429984][T11527] __sys_sendmsg (net/socket.c:2799) [ 524.429986][T11527] ? __sys_sendmsg_sock (net/socket.c:2780) [ 524.429989][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429990][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 524.429992][T11527] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 524.429994][T11527] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 524.429996][T11527] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 524.429998][T11527] RIP: 0033:0x7f21de26e54e [ 524.430000][T11527] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 524.430002][T11527] RSP: 002b:00007ffe0e267610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 524.430005][T11527] RAX: ffffffffffffffda RBX: 00007ffe0e267dd8 RCX: 00007f21de26e54e [ 524.430007][T11527] RDX: 0000000000000000 RSI: 00007ffe0e2676c0 RDI: 0000000000000005 [ 524.430008][T11527] RBP: 00007ffe0e267620 R08: 0000000000000000 R09: 0000000000000000 [ 524.430009][T11527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b45 [ 524.430009][T11527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0e267d90 | [ 531.164800][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 531.164803][ T12] Preemption disabled at: | [ 531.164803][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 531.164815][ T12] Tainted: [W]=WARN [ 531.164816][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 531.164817][ T12] Workqueue: netns cleanup_net [ 531.164823][ T12] Call Trace: [ 531.164824][ T12] [ 531.164826][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 531.164832][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 531.164833][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 531.164836][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 531.164838][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 531.164842][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164844][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 531.164847][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.164850][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 531.164855][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 531.164857][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 531.164859][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 531.164861][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 531.164863][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 531.164865][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 531.164870][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 531.164872][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 531.164874][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.164876][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164877][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164879][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 531.164881][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 531.164884][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164885][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164886][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164887][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.164889][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 531.164891][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 531.164893][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 531.164896][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 531.164898][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.164899][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 531.164901][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164902][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.164904][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 531.164905][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 531.164906][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 531.164909][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 531.164910][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 531.164912][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 531.164913][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 531.164915][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 531.164917][ T12] ? kthread (kernel/kthread.c:436) [ 531.164920][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 531.164922][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 531.164925][ T12] _printk (kernel/printk/printk.c:2504) [ 531.164928][ T12] ? snapshot_read.cold (user.c:?) [ 531.164930][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 531.164933][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 531.164935][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 531.164938][ T12] ? netdev_notice (net/core/dev.c:13194) [ 531.164940][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164941][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 531.164942][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 531.164945][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 531.164947][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 531.164948][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 531.164950][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 531.164953][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 531.164957][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 531.164959][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 531.164961][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 531.164963][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 531.164965][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 531.164968][ T12] cleanup_net (net/core/net_namespace.c:706) [ 531.164970][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 531.164971][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 531.164974][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.164975][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.164977][ T12] process_one_work (kernel/workqueue.c:3387) [ 531.164980][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 531.164982][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.164985][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 531.164988][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 531.164989][ T12] kthread (kernel/kthread.c:436) [ 531.164991][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 531.164993][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 531.164995][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 531.164997][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 531.164999][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 531.165001][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 531.165003][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 532.344890][T11689] softirqs last disabled at (0): 0x0 | [ 532.344892][T11689] Preemption disabled at: | [ 532.344893][T11689] vprintk_emit (kernel/printk/printk.c:2471) | [ 532.344902][T11689] Tainted: [W]=WARN [ 532.344904][T11689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 532.344906][T11689] Call Trace: [ 532.344907][T11689] [ 532.344908][T11689] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 532.344914][T11689] ? vprintk_emit (kernel/printk/printk.c:2471) [ 532.344915][T11689] __might_resched.cold (kernel/sched/core.c:9234) [ 532.344919][T11689] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 532.344921][T11689] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 532.344925][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.344927][T11689] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 532.344930][T11689] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.344933][T11689] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 532.344938][T11689] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 532.344940][T11689] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 532.344942][T11689] put_chars (drivers/char/virtio_console.c:1176) [ 532.344944][T11689] ? __send_to_port (drivers/char/virtio_console.c:654) [ 532.344945][T11689] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 532.344948][T11689] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 532.344953][T11689] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 532.344954][T11689] ? vsnprintf (lib/vsprintf.c:2900) [ 532.344957][T11689] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.344959][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.344960][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.344962][T11689] console_emit_next_record (kernel/printk/printk.c:3183) [ 532.344965][T11689] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 532.344967][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.344968][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.344969][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.344970][T11689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.344972][T11689] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 532.344974][T11689] console_flush_one_record (kernel/printk/printk.c:3268) [ 532.344976][T11689] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 532.344979][T11689] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 532.344981][T11689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.344982][T11689] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 532.344984][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.344985][T11689] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.344986][T11689] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 532.344988][T11689] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 532.344989][T11689] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 532.344991][T11689] ? vprintk_emit (kernel/printk/printk.c:2478) [ 532.344993][T11689] vprintk_emit (kernel/printk/printk.c:2479) [ 532.344994][T11689] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 532.344995][T11689] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.344997][T11689] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 532.345000][T11689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.345001][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345003][T11689] _printk (kernel/printk/printk.c:2504) [ 532.345006][T11689] ? snapshot_read.cold (user.c:?) [ 532.345008][T11689] ? br_multicast_flood (??:?) [ 532.345011][T11689] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 532.345014][T11689] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 532.345015][T11689] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 532.345017][T11689] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 532.345020][T11689] br_init_port (net/bridge/br_stp_if.c:39) [ 532.345021][T11689] new_nbp (net/bridge/br_if.c:449) [ 532.345024][T11689] br_add_if (net/bridge/br_if.c:592) [ 532.345025][T11689] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 532.345030][T11689] do_set_master (net/core/rtnetlink.c:3071) [ 532.345032][T11689] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 532.345033][T11689] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 532.345035][T11689] ? __dev_get_by_name (net/core/dev.c:905) [ 532.345036][T11689] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 532.345040][T11689] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 532.345043][T11689] rtnl_newlink (net/core/rtnetlink.c:4215) [ 532.345045][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345046][T11689] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 532.345047][T11689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.345049][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345050][T11689] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 532.345053][T11689] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 532.345055][T11689] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 532.345057][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345058][T11689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.345060][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345061][T11689] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 532.345063][T11689] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 532.345064][T11689] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 532.345066][T11689] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 532.345067][T11689] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 532.345071][T11689] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 532.345074][T11689] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 532.345075][T11689] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.345077][T11689] ? netlink_ack (./include/linux/skbuff.h:2718) [ 532.345079][T11689] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 532.345082][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345083][T11689] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.345085][T11689] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 532.345087][T11689] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 532.345089][T11689] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 532.345091][T11689] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 532.345094][T11689] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 532.345096][T11689] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 532.345098][T11689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.345100][T11689] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 532.345103][T11689] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 532.345106][T11689] ____sys_sendmsg (net/socket.c:2713) [ 532.345108][T11689] ? copy_msghdr_from_user (net/socket.c:2650) [ 532.345110][T11689] ? sock_write_iter (net/socket.c:1269) [ 532.345111][T11689] ? move_addr_to_kernel (net/socket.c:258) [ 532.345113][T11689] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 532.345116][T11689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.345118][T11689] ___sys_sendmsg (net/socket.c:2767) [ 532.345119][T11689] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 532.345121][T11689] ? copy_msghdr_from_user (net/socket.c:2619) [ 532.345123][T11689] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 532.345127][T11689] __sys_sendmsg (net/socket.c:2799) [ 532.345129][T11689] ? __sys_sendmsg_sock (net/socket.c:2780) [ 532.345132][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345133][T11689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.345134][T11689] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 532.345137][T11689] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 532.345139][T11689] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 532.345141][T11689] RIP: 0033:0x7fe2fc70154e [ 532.345142][T11689] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 532.345144][T11689] RSP: 002b:00007ffdb1d8ece0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 532.345148][T11689] RAX: ffffffffffffffda RBX: 00007ffdb1d8f4a8 RCX: 00007fe2fc70154e [ 532.345150][T11689] RDX: 0000000000000000 RSI: 00007ffdb1d8ed90 RDI: 0000000000000005 [ 532.345151][T11689] RBP: 00007ffdb1d8ecf0 R08: 0000000000000000 R09: 0000000000000000 [ 532.345152][T11689] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b4d [ 532.345152][T11689] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb1d8f460 | [ 533.649297][T11759] softirqs last disabled at (0): 0x0 | [ 533.649299][T11759] Preemption disabled at: | [ 533.649299][T11759] vprintk_emit (kernel/printk/printk.c:2471) | [ 533.649309][T11759] Tainted: [W]=WARN [ 533.649310][T11759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 533.649312][T11759] Call Trace: [ 533.649313][T11759] [ 533.649315][T11759] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 533.649320][T11759] ? vprintk_emit (kernel/printk/printk.c:2471) [ 533.649321][T11759] __might_resched.cold (kernel/sched/core.c:9234) [ 533.649325][T11759] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 533.649328][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649331][T11759] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 533.649334][T11759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.649337][T11759] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 533.649342][T11759] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 533.649344][T11759] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 533.649347][T11759] put_chars (drivers/char/virtio_console.c:1176) [ 533.649348][T11759] ? __send_to_port (drivers/char/virtio_console.c:654) [ 533.649349][T11759] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 533.649352][T11759] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 533.649354][T11759] ? pointer (lib/vsprintf.c:2577) [ 533.649357][T11759] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 533.649362][T11759] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 533.649364][T11759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.649365][T11759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.649368][T11759] console_emit_next_record (kernel/printk/printk.c:3183) [ 533.649371][T11759] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 533.649373][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649374][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649375][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649376][T11759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.649378][T11759] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 533.649380][T11759] console_flush_one_record (kernel/printk/printk.c:3268) [ 533.649382][T11759] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 533.649385][T11759] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 533.649387][T11759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.649388][T11759] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 533.649390][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649391][T11759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.649392][T11759] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 533.649394][T11759] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 533.649395][T11759] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 533.649397][T11759] ? vprintk_emit (kernel/printk/printk.c:2478) [ 533.649399][T11759] vprintk_emit (kernel/printk/printk.c:2479) [ 533.649400][T11759] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 533.649402][T11759] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 533.649404][T11759] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 533.649407][T11759] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 533.649410][T11759] _printk (kernel/printk/printk.c:2504) [ 533.649413][T11759] ? snapshot_read.cold (user.c:?) [ 533.649415][T11759] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 533.649417][T11759] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 533.649420][T11759] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 533.649422][T11759] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 533.649425][T11759] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 533.649427][T11759] ? netdev_notice (net/core/dev.c:13194) [ 533.649429][T11759] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 533.649431][T11759] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 533.649434][T11759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.649435][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649436][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649437][T11759] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 533.649439][T11759] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 533.649440][T11759] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 533.649442][T11759] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 533.649443][T11759] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 533.649445][T11759] ? register_netdev (net/core/dev.c:11618) [ 533.649446][T11759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.649448][T11759] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 533.649451][T11759] ? __kernel_text_address (kernel/extable.c:79) [ 533.649453][T11759] ? write_profile (profile.c:?) [ 533.649456][T11759] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 533.649460][T11759] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 533.649462][T11759] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 533.649463][T11759] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 533.649464][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649465][T11759] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 533.649469][T11759] ? kasan_save_stack (mm/kasan/common.c:58) [ 533.649470][T11759] ? kasan_save_stack (mm/kasan/common.c:57) [ 533.649471][T11759] ? kasan_save_track (mm/kasan/common.c:78) [ 533.649472][T11759] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 533.649474][T11759] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 533.649475][T11759] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 533.649476][T11759] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 533.649477][T11759] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 533.649480][T11759] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 533.649481][T11759] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 533.649483][T11759] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 533.649486][T11759] ? ____sys_sendmsg (net/socket.c:2713) [ 533.649487][T11759] ? ___sys_sendmsg (net/socket.c:2767) [ 533.649489][T11759] ? __sys_sendmsg (net/socket.c:2799) [ 533.649490][T11759] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 533.649493][T11759] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 533.649495][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649496][T11759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.649498][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649499][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649500][T11759] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 533.649501][T11759] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 533.649502][T11759] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 533.649503][T11759] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 533.649505][T11759] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 533.649506][T11759] ? nla_get_range_signed (lib/nlattr.c:270) [ 533.649510][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649511][T11759] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 533.649513][T11759] rtnl_newlink (net/core/rtnetlink.c:4215) [ 533.649515][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649516][T11759] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 533.649518][T11759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.649519][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649520][T11759] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 533.649523][T11759] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 533.649524][T11759] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 533.649526][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649527][T11759] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 533.649530][T11759] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 533.649532][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649534][T11759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.649535][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649536][T11759] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 533.649538][T11759] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 533.649539][T11759] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 533.649541][T11759] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 533.649542][T11759] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 533.649544][T11759] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 533.649546][T11759] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 533.649548][T11759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.649549][T11759] ? netlink_ack (./include/linux/skbuff.h:2718) [ 533.649551][T11759] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 533.649554][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649555][T11759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.649557][T11759] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 533.649559][T11759] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 533.649561][T11759] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 533.649562][T11759] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 533.649565][T11759] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 533.649566][T11759] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 533.649568][T11759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.649569][T11759] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 533.649573][T11759] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 533.649575][T11759] ____sys_sendmsg (net/socket.c:2713) [ 533.649576][T11759] ? copy_msghdr_from_user (net/socket.c:2650) [ 533.649578][T11759] ? sock_write_iter (net/socket.c:1269) [ 533.649579][T11759] ? move_addr_to_kernel (net/socket.c:258) [ 533.649581][T11759] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 533.649583][T11759] ___sys_sendmsg (net/socket.c:2767) [ 533.649585][T11759] ? copy_msghdr_from_user (net/socket.c:2619) [ 533.649590][T11759] __sys_sendmsg (net/socket.c:2799) [ 533.649592][T11759] ? __sys_sendmsg_sock (net/socket.c:2780) [ 533.649594][T11759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.649596][T11759] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 533.649598][T11759] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 533.649600][T11759] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 533.649601][T11759] RIP: 0033:0x7f191392a54e [ 533.649603][T11759] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 533.649605][T11759] RSP: 002b:00007ffd09cd5b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 533.649608][T11759] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f191392a54e [ 533.649610][T11759] RDX: 0000000000000000 RSI: 00007ffd09cd5bd0 RDI: 0000000000000005 [ 533.649611][T11759] RBP: 00007ffd09cd5b30 R08: 0000000000000000 R09: 0000000000000000 [ 533.649612][T11759] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b4e [ 533.649613][T11759] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd09cd6290 | [ 534.695143][T11809] softirqs last disabled at (0): 0x0 | [ 534.695145][T11809] Preemption disabled at: | [ 534.695146][T11809] vprintk_emit (kernel/printk/printk.c:2471) | [ 534.695156][T11809] Tainted: [W]=WARN [ 534.695157][T11809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 534.695159][T11809] Call Trace: [ 534.695160][T11809] [ 534.695162][T11809] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 534.695169][T11809] ? vprintk_emit (kernel/printk/printk.c:2471) [ 534.695171][T11809] __might_resched.cold (kernel/sched/core.c:9234) [ 534.695174][T11809] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 534.695176][T11809] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 534.695180][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695182][T11809] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 534.695185][T11809] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 534.695188][T11809] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 534.695193][T11809] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 534.695195][T11809] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 534.695197][T11809] put_chars (drivers/char/virtio_console.c:1176) [ 534.695199][T11809] ? __send_to_port (drivers/char/virtio_console.c:654) [ 534.695201][T11809] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 534.695204][T11809] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 534.695208][T11809] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 534.695210][T11809] ? vsnprintf (lib/vsprintf.c:2900) [ 534.695213][T11809] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 534.695215][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695216][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695218][T11809] console_emit_next_record (kernel/printk/printk.c:3183) [ 534.695220][T11809] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 534.695222][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695223][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695224][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695226][T11809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 534.695228][T11809] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 534.695230][T11809] console_flush_one_record (kernel/printk/printk.c:3268) [ 534.695232][T11809] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 534.695235][T11809] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 534.695237][T11809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 534.695238][T11809] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 534.695240][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695241][T11809] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 534.695243][T11809] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 534.695244][T11809] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 534.695246][T11809] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 534.695248][T11809] ? vprintk_emit (kernel/printk/printk.c:2478) [ 534.695249][T11809] vprintk_emit (kernel/printk/printk.c:2479) [ 534.695251][T11809] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 534.695252][T11809] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 534.695254][T11809] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 534.695257][T11809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 534.695259][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695260][T11809] _printk (kernel/printk/printk.c:2504) [ 534.695263][T11809] ? snapshot_read.cold (user.c:?) [ 534.695265][T11809] ? br_multicast_flood (??:?) [ 534.695269][T11809] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 534.695271][T11809] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 534.695272][T11809] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 534.695274][T11809] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 534.695277][T11809] br_init_port (net/bridge/br_stp_if.c:39) [ 534.695279][T11809] new_nbp (net/bridge/br_if.c:449) [ 534.695281][T11809] br_add_if (net/bridge/br_if.c:592) [ 534.695283][T11809] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 534.695287][T11809] do_set_master (net/core/rtnetlink.c:3071) [ 534.695289][T11809] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 534.695291][T11809] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 534.695292][T11809] ? __dev_get_by_name (net/core/dev.c:905) [ 534.695294][T11809] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 534.695298][T11809] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 534.695300][T11809] rtnl_newlink (net/core/rtnetlink.c:4215) [ 534.695302][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695304][T11809] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 534.695305][T11809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 534.695306][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695308][T11809] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 534.695310][T11809] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 534.695312][T11809] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 534.695314][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695316][T11809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 534.695317][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695318][T11809] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 534.695320][T11809] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 534.695321][T11809] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 534.695323][T11809] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 534.695324][T11809] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 534.695328][T11809] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 534.695331][T11809] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 534.695332][T11809] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 534.695334][T11809] ? netlink_ack (./include/linux/skbuff.h:2718) [ 534.695335][T11809] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 534.695339][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695340][T11809] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 534.695342][T11809] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 534.695344][T11809] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 534.695346][T11809] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 534.695348][T11809] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 534.695351][T11809] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 534.695353][T11809] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 534.695355][T11809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 534.695357][T11809] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 534.695360][T11809] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 534.695363][T11809] ____sys_sendmsg (net/socket.c:2713) [ 534.695365][T11809] ? copy_msghdr_from_user (net/socket.c:2650) [ 534.695367][T11809] ? sock_write_iter (net/socket.c:1269) [ 534.695368][T11809] ? move_addr_to_kernel (net/socket.c:258) [ 534.695370][T11809] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 534.695373][T11809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 534.695375][T11809] ___sys_sendmsg (net/socket.c:2767) [ 534.695376][T11809] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 534.695378][T11809] ? copy_msghdr_from_user (net/socket.c:2619) [ 534.695380][T11809] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 534.695384][T11809] __sys_sendmsg (net/socket.c:2799) [ 534.695386][T11809] ? __sys_sendmsg_sock (net/socket.c:2780) [ 534.695389][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695390][T11809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 534.695392][T11809] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 534.695394][T11809] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 534.695396][T11809] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 534.695398][T11809] RIP: 0033:0x7f023a2ef54e [ 534.695400][T11809] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 534.695402][T11809] RSP: 002b:00007ffd00be1770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 534.695405][T11809] RAX: ffffffffffffffda RBX: 00007ffd00be1f38 RCX: 00007f023a2ef54e [ 534.695407][T11809] RDX: 0000000000000000 RSI: 00007ffd00be1820 RDI: 0000000000000005 [ 534.695408][T11809] RBP: 00007ffd00be1780 R08: 0000000000000000 R09: 0000000000000000 [ 534.695409][T11809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b50 [ 534.695410][T11809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd00be1ef0 | [ 541.450353][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 541.450355][ T12] Preemption disabled at: | [ 541.450356][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 541.450367][ T12] Tainted: [W]=WARN [ 541.450368][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 541.450369][ T12] Workqueue: netns cleanup_net [ 541.450375][ T12] Call Trace: [ 541.450377][ T12] [ 541.450378][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 541.450384][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 541.450385][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 541.450388][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 541.450391][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 541.450394][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450396][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 541.450399][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.450402][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 541.450407][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 541.450408][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 541.450411][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 541.450412][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 541.450414][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 541.450417][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 541.450421][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 541.450423][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 541.450426][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.450427][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450429][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450430][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 541.450433][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 541.450435][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450436][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450437][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450438][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.450441][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 541.450443][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 541.450445][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 541.450448][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 541.450450][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.450451][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 541.450453][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450454][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.450456][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 541.450457][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 541.450459][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 541.450461][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 541.450462][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 541.450464][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 541.450465][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 541.450466][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 541.450469][ T12] ? kthread (kernel/kthread.c:436) [ 541.450472][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 541.450474][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 541.450477][ T12] _printk (kernel/printk/printk.c:2504) [ 541.450480][ T12] ? snapshot_read.cold (user.c:?) [ 541.450483][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 541.450486][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 541.450488][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 541.450490][ T12] ? netdev_notice (net/core/dev.c:13194) [ 541.450493][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450494][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 541.450495][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 541.450498][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 541.450499][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 541.450501][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 541.450503][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 541.450506][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 541.450509][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 541.450512][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 541.450514][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 541.450516][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 541.450518][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 541.450521][ T12] cleanup_net (net/core/net_namespace.c:706) [ 541.450523][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 541.450525][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 541.450527][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.450529][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.450531][ T12] process_one_work (kernel/workqueue.c:3387) [ 541.450533][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 541.450536][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.450538][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 541.450542][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 541.450544][ T12] kthread (kernel/kthread.c:436) [ 541.450545][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 541.450547][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 541.450549][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 541.450551][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 541.450553][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 541.450555][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 541.450557][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 542.632983][T11971] softirqs last disabled at (0): 0x0 | [ 542.632985][T11971] Preemption disabled at: | [ 542.632986][T11971] vprintk_emit (kernel/printk/printk.c:2471) | [ 542.632995][T11971] Tainted: [W]=WARN [ 542.632996][T11971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 542.632998][T11971] Call Trace: [ 542.633000][T11971] [ 542.633001][T11971] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 542.633006][T11971] ? vprintk_emit (kernel/printk/printk.c:2471) [ 542.633008][T11971] __might_resched.cold (kernel/sched/core.c:9234) [ 542.633011][T11971] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 542.633013][T11971] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 542.633016][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633019][T11971] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 542.633022][T11971] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 542.633025][T11971] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 542.633030][T11971] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 542.633031][T11971] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 542.633034][T11971] put_chars (drivers/char/virtio_console.c:1176) [ 542.633036][T11971] ? __send_to_port (drivers/char/virtio_console.c:654) [ 542.633037][T11971] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 542.633040][T11971] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 542.633044][T11971] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 542.633046][T11971] ? vsnprintf (lib/vsprintf.c:2900) [ 542.633049][T11971] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 542.633051][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633052][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633054][T11971] console_emit_next_record (kernel/printk/printk.c:3183) [ 542.633056][T11971] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 542.633058][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633060][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633061][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633062][T11971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.633064][T11971] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 542.633066][T11971] console_flush_one_record (kernel/printk/printk.c:3268) [ 542.633068][T11971] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 542.633071][T11971] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 542.633073][T11971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.633074][T11971] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 542.633076][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633077][T11971] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 542.633079][T11971] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 542.633080][T11971] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 542.633082][T11971] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 542.633084][T11971] ? vprintk_emit (kernel/printk/printk.c:2478) [ 542.633085][T11971] vprintk_emit (kernel/printk/printk.c:2479) [ 542.633087][T11971] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 542.633088][T11971] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 542.633090][T11971] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 542.633093][T11971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.633094][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633096][T11971] _printk (kernel/printk/printk.c:2504) [ 542.633099][T11971] ? snapshot_read.cold (user.c:?) [ 542.633101][T11971] ? br_multicast_flood (??:?) [ 542.633104][T11971] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 542.633107][T11971] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 542.633108][T11971] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 542.633110][T11971] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 542.633113][T11971] br_init_port (net/bridge/br_stp_if.c:39) [ 542.633115][T11971] new_nbp (net/bridge/br_if.c:449) [ 542.633117][T11971] br_add_if (net/bridge/br_if.c:592) [ 542.633118][T11971] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 542.633122][T11971] do_set_master (net/core/rtnetlink.c:3071) [ 542.633124][T11971] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 542.633126][T11971] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 542.633127][T11971] ? __dev_get_by_name (net/core/dev.c:905) [ 542.633129][T11971] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 542.633133][T11971] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 542.633135][T11971] rtnl_newlink (net/core/rtnetlink.c:4215) [ 542.633137][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633139][T11971] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 542.633140][T11971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.633142][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633143][T11971] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 542.633146][T11971] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 542.633147][T11971] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 542.633150][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633151][T11971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.633152][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633154][T11971] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 542.633155][T11971] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 542.633157][T11971] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 542.633158][T11971] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 542.633159][T11971] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 542.633163][T11971] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 542.633168][T11971] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 542.633170][T11971] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 542.633171][T11971] ? netlink_ack (./include/linux/skbuff.h:2718) [ 542.633173][T11971] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 542.633176][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633177][T11971] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 542.633179][T11971] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 542.633181][T11971] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 542.633183][T11971] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 542.633186][T11971] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 542.633189][T11971] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 542.633191][T11971] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 542.633193][T11971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.633195][T11971] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 542.633198][T11971] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 542.633201][T11971] ____sys_sendmsg (net/socket.c:2713) [ 542.633203][T11971] ? copy_msghdr_from_user (net/socket.c:2650) [ 542.633204][T11971] ? sock_write_iter (net/socket.c:1269) [ 542.633206][T11971] ? move_addr_to_kernel (net/socket.c:258) [ 542.633208][T11971] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 542.633211][T11971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.633213][T11971] ___sys_sendmsg (net/socket.c:2767) [ 542.633214][T11971] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 542.633216][T11971] ? copy_msghdr_from_user (net/socket.c:2619) [ 542.633217][T11971] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 542.633222][T11971] __sys_sendmsg (net/socket.c:2799) [ 542.633224][T11971] ? __sys_sendmsg_sock (net/socket.c:2780) [ 542.633227][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633228][T11971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.633229][T11971] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 542.633232][T11971] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 542.633234][T11971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 542.633236][T11971] RIP: 0033:0x7f4b9c3fe54e [ 542.633238][T11971] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 542.633240][T11971] RSP: 002b:00007ffce9256020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 542.633243][T11971] RAX: ffffffffffffffda RBX: 00007ffce92567e8 RCX: 00007f4b9c3fe54e [ 542.633245][T11971] RDX: 0000000000000000 RSI: 00007ffce92560d0 RDI: 0000000000000005 [ 542.633246][T11971] RBP: 00007ffce9256030 R08: 0000000000000000 R09: 0000000000000000 [ 542.633247][T11971] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b57 [ 542.633248][T11971] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce92567a0 | [ 543.907390][T12041] softirqs last disabled at (0): 0x0 | [ 543.907392][T12041] Preemption disabled at: | [ 543.907393][T12041] vprintk_emit (kernel/printk/printk.c:2471) | [ 543.907403][T12041] Tainted: [W]=WARN [ 543.907404][T12041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 543.907405][T12041] Call Trace: [ 543.907407][T12041] [ 543.907408][T12041] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 543.907413][T12041] ? vprintk_emit (kernel/printk/printk.c:2471) [ 543.907415][T12041] __might_resched.cold (kernel/sched/core.c:9234) [ 543.907418][T12041] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 543.907421][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907424][T12041] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 543.907427][T12041] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.907430][T12041] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 543.907435][T12041] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 543.907437][T12041] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 543.907439][T12041] put_chars (drivers/char/virtio_console.c:1176) [ 543.907441][T12041] ? __send_to_port (drivers/char/virtio_console.c:654) [ 543.907442][T12041] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 543.907444][T12041] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 543.907446][T12041] ? pointer (lib/vsprintf.c:2577) [ 543.907450][T12041] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 543.907455][T12041] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 543.907457][T12041] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.907458][T12041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.907461][T12041] console_emit_next_record (kernel/printk/printk.c:3183) [ 543.907464][T12041] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 543.907466][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907467][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907468][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907469][T12041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.907471][T12041] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 543.907473][T12041] console_flush_one_record (kernel/printk/printk.c:3268) [ 543.907475][T12041] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 543.907478][T12041] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 543.907480][T12041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.907481][T12041] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 543.907483][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907484][T12041] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.907485][T12041] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 543.907487][T12041] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 543.907488][T12041] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 543.907490][T12041] ? vprintk_emit (kernel/printk/printk.c:2478) [ 543.907492][T12041] vprintk_emit (kernel/printk/printk.c:2479) [ 543.907493][T12041] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 543.907495][T12041] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 543.907497][T12041] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 543.907500][T12041] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 543.907502][T12041] _printk (kernel/printk/printk.c:2504) [ 543.907505][T12041] ? snapshot_read.cold (user.c:?) [ 543.907507][T12041] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 543.907509][T12041] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 543.907513][T12041] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 543.907515][T12041] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 543.907518][T12041] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 543.907520][T12041] ? netdev_notice (net/core/dev.c:13194) [ 543.907522][T12041] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 543.907524][T12041] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 543.907526][T12041] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.907528][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907529][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907530][T12041] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 543.907531][T12041] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 543.907533][T12041] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 543.907534][T12041] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 543.907535][T12041] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 543.907537][T12041] ? register_netdev (net/core/dev.c:11618) [ 543.907538][T12041] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.907540][T12041] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 543.907543][T12041] ? __kernel_text_address (kernel/extable.c:79) [ 543.907545][T12041] ? write_profile (profile.c:?) [ 543.907548][T12041] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 543.907552][T12041] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 543.907554][T12041] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 543.907555][T12041] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 543.907557][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907558][T12041] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 543.907561][T12041] ? kasan_save_stack (mm/kasan/common.c:58) [ 543.907563][T12041] ? kasan_save_stack (mm/kasan/common.c:57) [ 543.907564][T12041] ? kasan_save_track (mm/kasan/common.c:78) [ 543.907565][T12041] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 543.907566][T12041] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 543.907567][T12041] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 543.907569][T12041] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 543.907571][T12041] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 543.907574][T12041] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 543.907577][T12041] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 543.907578][T12041] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 543.907581][T12041] ? ____sys_sendmsg (net/socket.c:2713) [ 543.907582][T12041] ? ___sys_sendmsg (net/socket.c:2767) [ 543.907584][T12041] ? __sys_sendmsg (net/socket.c:2799) [ 543.907585][T12041] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 543.907588][T12041] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 543.907590][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907591][T12041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.907592][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907593][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907594][T12041] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 543.907596][T12041] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 543.907597][T12041] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 543.907598][T12041] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 543.907600][T12041] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 543.907601][T12041] ? nla_get_range_signed (lib/nlattr.c:270) [ 543.907604][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907606][T12041] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 543.907608][T12041] rtnl_newlink (net/core/rtnetlink.c:4215) [ 543.907610][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907611][T12041] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 543.907612][T12041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.907614][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907615][T12041] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 543.907617][T12041] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 543.907618][T12041] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 543.907620][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907621][T12041] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 543.907624][T12041] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 543.907626][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907628][T12041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.907629][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907630][T12041] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 543.907632][T12041] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 543.907633][T12041] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 543.907635][T12041] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 543.907636][T12041] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 543.907639][T12041] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 543.907640][T12041] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 543.907642][T12041] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.907643][T12041] ? netlink_ack (./include/linux/skbuff.h:2718) [ 543.907645][T12041] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 543.907648][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907649][T12041] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.907651][T12041] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 543.907653][T12041] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 543.907655][T12041] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 543.907657][T12041] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 543.907659][T12041] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 543.907661][T12041] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 543.907662][T12041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.907664][T12041] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 543.907667][T12041] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 543.907669][T12041] ____sys_sendmsg (net/socket.c:2713) [ 543.907670][T12041] ? copy_msghdr_from_user (net/socket.c:2650) [ 543.907672][T12041] ? sock_write_iter (net/socket.c:1269) [ 543.907673][T12041] ? move_addr_to_kernel (net/socket.c:258) [ 543.907675][T12041] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 543.907678][T12041] ___sys_sendmsg (net/socket.c:2767) [ 543.907679][T12041] ? copy_msghdr_from_user (net/socket.c:2619) [ 543.907684][T12041] __sys_sendmsg (net/socket.c:2799) [ 543.907686][T12041] ? __sys_sendmsg_sock (net/socket.c:2780) [ 543.907689][T12041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.907690][T12041] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 543.907692][T12041] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 543.907694][T12041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 543.907695][T12041] RIP: 0033:0x7fbf573f154e [ 543.907697][T12041] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 543.907699][T12041] RSP: 002b:00007ffff45fc8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 543.907703][T12041] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbf573f154e [ 543.907704][T12041] RDX: 0000000000000000 RSI: 00007ffff45fc970 RDI: 0000000000000005 [ 543.907705][T12041] RBP: 00007ffff45fc8d0 R08: 0000000000000000 R09: 0000000000000000 [ 543.907706][T12041] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b59 [ 543.907707][T12041] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff45fd030 | [ 544.953121][T12091] softirqs last disabled at (0): 0x0 | [ 544.953123][T12091] Preemption disabled at: | [ 544.953123][T12091] vprintk_emit (kernel/printk/printk.c:2471) | [ 544.953133][T12091] Tainted: [W]=WARN [ 544.953134][T12091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 544.953136][T12091] Call Trace: [ 544.953138][T12091] [ 544.953139][T12091] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 544.953144][T12091] ? vprintk_emit (kernel/printk/printk.c:2471) [ 544.953146][T12091] __might_resched.cold (kernel/sched/core.c:9234) [ 544.953150][T12091] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 544.953152][T12091] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 544.953155][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953158][T12091] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 544.953161][T12091] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 544.953166][T12091] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 544.953171][T12091] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 544.953173][T12091] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 544.953175][T12091] put_chars (drivers/char/virtio_console.c:1176) [ 544.953177][T12091] ? __send_to_port (drivers/char/virtio_console.c:654) [ 544.953179][T12091] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 544.953181][T12091] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 544.953186][T12091] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 544.953187][T12091] ? vsnprintf (lib/vsprintf.c:2900) [ 544.953191][T12091] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 544.953192][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953194][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953195][T12091] console_emit_next_record (kernel/printk/printk.c:3183) [ 544.953198][T12091] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 544.953200][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953201][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953202][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953203][T12091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.953206][T12091] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 544.953208][T12091] console_flush_one_record (kernel/printk/printk.c:3268) [ 544.953210][T12091] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 544.953213][T12091] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 544.953215][T12091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.953216][T12091] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 544.953218][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953219][T12091] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 544.953221][T12091] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 544.953222][T12091] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 544.953224][T12091] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 544.953226][T12091] ? vprintk_emit (kernel/printk/printk.c:2478) [ 544.953227][T12091] vprintk_emit (kernel/printk/printk.c:2479) [ 544.953229][T12091] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 544.953230][T12091] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 544.953231][T12091] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 544.953234][T12091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.953236][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953237][T12091] _printk (kernel/printk/printk.c:2504) [ 544.953240][T12091] ? snapshot_read.cold (user.c:?) [ 544.953242][T12091] ? br_multicast_flood (??:?) [ 544.953246][T12091] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 544.953249][T12091] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 544.953250][T12091] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 544.953252][T12091] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 544.953255][T12091] br_init_port (net/bridge/br_stp_if.c:39) [ 544.953257][T12091] new_nbp (net/bridge/br_if.c:449) [ 544.953259][T12091] br_add_if (net/bridge/br_if.c:592) [ 544.953261][T12091] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 544.953265][T12091] do_set_master (net/core/rtnetlink.c:3071) [ 544.953267][T12091] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 544.953269][T12091] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 544.953270][T12091] ? __dev_get_by_name (net/core/dev.c:905) [ 544.953272][T12091] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 544.953276][T12091] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 544.953278][T12091] rtnl_newlink (net/core/rtnetlink.c:4215) [ 544.953280][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953281][T12091] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 544.953282][T12091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.953284][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953285][T12091] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 544.953288][T12091] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 544.953290][T12091] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 544.953292][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953293][T12091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.953295][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953296][T12091] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 544.953298][T12091] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 544.953299][T12091] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 544.953301][T12091] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 544.953302][T12091] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 544.953306][T12091] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 544.953309][T12091] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 544.953310][T12091] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 544.953312][T12091] ? netlink_ack (./include/linux/skbuff.h:2718) [ 544.953314][T12091] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 544.953317][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953318][T12091] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 544.953320][T12091] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 544.953322][T12091] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 544.953324][T12091] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 544.953326][T12091] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 544.953329][T12091] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 544.953331][T12091] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 544.953333][T12091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.953335][T12091] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 544.953339][T12091] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 544.953342][T12091] ____sys_sendmsg (net/socket.c:2713) [ 544.953343][T12091] ? copy_msghdr_from_user (net/socket.c:2650) [ 544.953345][T12091] ? sock_write_iter (net/socket.c:1269) [ 544.953347][T12091] ? move_addr_to_kernel (net/socket.c:258) [ 544.953349][T12091] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 544.953351][T12091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.953353][T12091] ___sys_sendmsg (net/socket.c:2767) [ 544.953355][T12091] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 544.953357][T12091] ? copy_msghdr_from_user (net/socket.c:2619) [ 544.953358][T12091] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 544.953363][T12091] __sys_sendmsg (net/socket.c:2799) [ 544.953365][T12091] ? __sys_sendmsg_sock (net/socket.c:2780) [ 544.953367][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953368][T12091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.953370][T12091] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 544.953372][T12091] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 544.953374][T12091] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 544.953376][T12091] RIP: 0033:0x7f468c7df54e [ 544.953378][T12091] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 544.953380][T12091] RSP: 002b:00007ffd7ffce350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 544.953383][T12091] RAX: ffffffffffffffda RBX: 00007ffd7ffceb18 RCX: 00007f468c7df54e [ 544.953385][T12091] RDX: 0000000000000000 RSI: 00007ffd7ffce400 RDI: 0000000000000005 [ 544.953386][T12091] RBP: 00007ffd7ffce360 R08: 0000000000000000 R09: 0000000000000000 [ 544.953387][T12091] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b5a [ 544.953388][T12091] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7ffcead0 | [ 550.948302][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 550.948304][ T12] Preemption disabled at: | [ 550.948305][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 550.948316][ T12] Tainted: [W]=WARN [ 550.948317][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 550.948319][ T12] Workqueue: netns cleanup_net [ 550.948325][ T12] Call Trace: [ 550.948326][ T12] [ 550.948328][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 550.948334][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 550.948335][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 550.948339][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 550.948341][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 550.948344][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948347][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 550.948349][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 550.948353][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 550.948358][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 550.948359][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 550.948362][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 550.948364][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 550.948365][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 550.948368][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 550.948373][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 550.948375][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 550.948377][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 550.948379][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948380][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948382][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 550.948384][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 550.948387][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948388][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948389][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948390][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 550.948392][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 550.948394][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 550.948397][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 550.948399][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 550.948401][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 550.948403][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 550.948404][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948405][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 550.948407][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 550.948409][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 550.948410][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 550.948412][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 550.948414][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 550.948415][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 550.948417][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 550.948418][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 550.948421][ T12] ? kthread (kernel/kthread.c:436) [ 550.948423][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 550.948426][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 550.948429][ T12] _printk (kernel/printk/printk.c:2504) [ 550.948432][ T12] ? snapshot_read.cold (user.c:?) [ 550.948434][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 550.948437][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 550.948439][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 550.948442][ T12] ? netdev_notice (net/core/dev.c:13194) [ 550.948444][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948445][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 550.948446][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 550.948449][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 550.948451][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 550.948452][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 550.948454][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 550.948457][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 550.948461][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 550.948463][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 550.948466][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 550.948468][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 550.948470][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 550.948472][ T12] cleanup_net (net/core/net_namespace.c:706) [ 550.948474][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 550.948476][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 550.948478][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.948480][ T12] process_one_work (kernel/workqueue.c:3387) [ 550.948482][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 550.948485][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 550.948487][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 550.948490][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 550.948492][ T12] kthread (kernel/kthread.c:436) [ 550.948494][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 550.948495][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 550.948497][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 550.948499][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 550.948501][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 550.948504][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 550.948506][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 552.140152][T12225] softirqs last disabled at (0): 0x0 | [ 552.140154][T12225] Preemption disabled at: | [ 552.140155][T12225] vprintk_emit (kernel/printk/printk.c:2471) | [ 552.140167][T12225] Tainted: [W]=WARN [ 552.140168][T12225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 552.140169][T12225] Call Trace: [ 552.140171][T12225] [ 552.140172][T12225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 552.140178][T12225] ? vprintk_emit (kernel/printk/printk.c:2471) [ 552.140179][T12225] __might_resched.cold (kernel/sched/core.c:9234) [ 552.140183][T12225] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 552.140185][T12225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 552.140188][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140191][T12225] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 552.140194][T12225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.140197][T12225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 552.140202][T12225] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 552.140203][T12225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 552.140206][T12225] put_chars (drivers/char/virtio_console.c:1176) [ 552.140208][T12225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 552.140209][T12225] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 552.140212][T12225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 552.140217][T12225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 552.140218][T12225] ? vsnprintf (lib/vsprintf.c:2900) [ 552.140221][T12225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.140223][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140224][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140226][T12225] console_emit_next_record (kernel/printk/printk.c:3183) [ 552.140228][T12225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 552.140230][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140231][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140232][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140234][T12225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.140236][T12225] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 552.140238][T12225] console_flush_one_record (kernel/printk/printk.c:3268) [ 552.140240][T12225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 552.140243][T12225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 552.140245][T12225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.140246][T12225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 552.140248][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140249][T12225] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.140250][T12225] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 552.140252][T12225] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 552.140253][T12225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 552.140255][T12225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 552.140257][T12225] vprintk_emit (kernel/printk/printk.c:2479) [ 552.140259][T12225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 552.140260][T12225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.140261][T12225] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 552.140264][T12225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.140266][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140267][T12225] _printk (kernel/printk/printk.c:2504) [ 552.140270][T12225] ? snapshot_read.cold (user.c:?) [ 552.140272][T12225] ? br_multicast_flood (??:?) [ 552.140275][T12225] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 552.140278][T12225] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 552.140279][T12225] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 552.140281][T12225] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 552.140284][T12225] br_init_port (net/bridge/br_stp_if.c:39) [ 552.140285][T12225] new_nbp (net/bridge/br_if.c:449) [ 552.140287][T12225] br_add_if (net/bridge/br_if.c:592) [ 552.140289][T12225] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 552.140293][T12225] do_set_master (net/core/rtnetlink.c:3071) [ 552.140295][T12225] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 552.140297][T12225] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 552.140298][T12225] ? __dev_get_by_name (net/core/dev.c:905) [ 552.140300][T12225] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 552.140304][T12225] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 552.140306][T12225] rtnl_newlink (net/core/rtnetlink.c:4215) [ 552.140308][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140309][T12225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 552.140311][T12225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.140312][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140314][T12225] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 552.140316][T12225] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 552.140318][T12225] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 552.140320][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140321][T12225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.140323][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140324][T12225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 552.140325][T12225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 552.140327][T12225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 552.140328][T12225] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 552.140330][T12225] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 552.140333][T12225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 552.140336][T12225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 552.140338][T12225] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.140339][T12225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 552.140341][T12225] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 552.140344][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140345][T12225] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.140347][T12225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 552.140349][T12225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 552.140351][T12225] ? next_uptodate_folio (mm/filemap.c:3747) [ 552.140354][T12225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 552.140356][T12225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 552.140358][T12225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.140360][T12225] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 552.140363][T12225] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 552.140366][T12225] ____sys_sendmsg (net/socket.c:2713) [ 552.140368][T12225] ? copy_msghdr_from_user (net/socket.c:2650) [ 552.140370][T12225] ? sock_write_iter (net/socket.c:1269) [ 552.140371][T12225] ? move_addr_to_kernel (net/socket.c:258) [ 552.140373][T12225] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 552.140376][T12225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.140378][T12225] ___sys_sendmsg (net/socket.c:2767) [ 552.140379][T12225] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 552.140381][T12225] ? copy_msghdr_from_user (net/socket.c:2619) [ 552.140383][T12225] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 552.140387][T12225] __sys_sendmsg (net/socket.c:2799) [ 552.140389][T12225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 552.140392][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140393][T12225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.140394][T12225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 552.140397][T12225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 552.140399][T12225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 552.140401][T12225] RIP: 0033:0x7f4e444f954e [ 552.140403][T12225] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 552.140405][T12225] RSP: 002b:00007ffe53f50720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 552.140409][T12225] RAX: ffffffffffffffda RBX: 00007ffe53f50ee8 RCX: 00007f4e444f954e [ 552.140410][T12225] RDX: 0000000000000000 RSI: 00007ffe53f507d0 RDI: 0000000000000005 [ 552.140411][T12225] RBP: 00007ffe53f50730 R08: 0000000000000000 R09: 0000000000000000 [ 552.140412][T12225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b61 [ 552.140413][T12225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe53f50ea0 | [ 553.464378][T12295] softirqs last disabled at (0): 0x0 | [ 553.464380][T12295] Preemption disabled at: | [ 553.464381][T12295] vprintk_emit (kernel/printk/printk.c:2471) | [ 553.464390][T12295] Tainted: [W]=WARN [ 553.464391][T12295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 553.464393][T12295] Call Trace: [ 553.464394][T12295] [ 553.464395][T12295] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 553.464401][T12295] ? vprintk_emit (kernel/printk/printk.c:2471) [ 553.464402][T12295] __might_resched.cold (kernel/sched/core.c:9234) [ 553.464406][T12295] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 553.464409][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464412][T12295] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 553.464415][T12295] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.464418][T12295] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 553.464423][T12295] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 553.464424][T12295] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 553.464427][T12295] put_chars (drivers/char/virtio_console.c:1176) [ 553.464428][T12295] ? __send_to_port (drivers/char/virtio_console.c:654) [ 553.464429][T12295] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 553.464432][T12295] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 553.464434][T12295] ? pointer (lib/vsprintf.c:2577) [ 553.464437][T12295] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 553.464441][T12295] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 553.464443][T12295] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.464445][T12295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.464447][T12295] console_emit_next_record (kernel/printk/printk.c:3183) [ 553.464450][T12295] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 553.464452][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464453][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464454][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464455][T12295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.464457][T12295] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 553.464459][T12295] console_flush_one_record (kernel/printk/printk.c:3268) [ 553.464461][T12295] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 553.464464][T12295] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 553.464466][T12295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.464467][T12295] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 553.464469][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464470][T12295] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.464471][T12295] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 553.464473][T12295] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 553.464474][T12295] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 553.464476][T12295] ? vprintk_emit (kernel/printk/printk.c:2478) [ 553.464478][T12295] vprintk_emit (kernel/printk/printk.c:2479) [ 553.464480][T12295] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 553.464481][T12295] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 553.464483][T12295] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 553.464486][T12295] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 553.464488][T12295] _printk (kernel/printk/printk.c:2504) [ 553.464491][T12295] ? snapshot_read.cold (user.c:?) [ 553.464493][T12295] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 553.464495][T12295] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 553.464498][T12295] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 553.464500][T12295] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 553.464503][T12295] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 553.464505][T12295] ? netdev_notice (net/core/dev.c:13194) [ 553.464507][T12295] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 553.464509][T12295] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 553.464511][T12295] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.464513][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464514][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464515][T12295] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 553.464516][T12295] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 553.464518][T12295] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 553.464519][T12295] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 553.464521][T12295] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 553.464522][T12295] ? register_netdev (net/core/dev.c:11618) [ 553.464524][T12295] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.464526][T12295] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 553.464529][T12295] ? __kernel_text_address (kernel/extable.c:79) [ 553.464531][T12295] ? write_profile (profile.c:?) [ 553.464534][T12295] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 553.464537][T12295] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 553.464539][T12295] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 553.464541][T12295] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 553.464542][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464543][T12295] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 553.464546][T12295] ? kasan_save_stack (mm/kasan/common.c:58) [ 553.464548][T12295] ? kasan_save_stack (mm/kasan/common.c:57) [ 553.464549][T12295] ? kasan_save_track (mm/kasan/common.c:78) [ 553.464550][T12295] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 553.464551][T12295] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 553.464552][T12295] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 553.464553][T12295] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 553.464554][T12295] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 553.464557][T12295] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 553.464559][T12295] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 553.464560][T12295] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 553.464563][T12295] ? ____sys_sendmsg (net/socket.c:2713) [ 553.464564][T12295] ? ___sys_sendmsg (net/socket.c:2767) [ 553.464566][T12295] ? __sys_sendmsg (net/socket.c:2799) [ 553.464567][T12295] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 553.464569][T12295] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 553.464572][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464573][T12295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.464575][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464576][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464577][T12295] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 553.464578][T12295] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 553.464580][T12295] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 553.464581][T12295] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 553.464582][T12295] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 553.464583][T12295] ? nla_get_range_signed (lib/nlattr.c:270) [ 553.464587][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464588][T12295] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 553.464590][T12295] rtnl_newlink (net/core/rtnetlink.c:4215) [ 553.464592][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464593][T12295] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 553.464594][T12295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.464596][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464597][T12295] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 553.464599][T12295] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 553.464600][T12295] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 553.464602][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464603][T12295] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 553.464606][T12295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 553.464609][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464610][T12295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.464612][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464613][T12295] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 553.464614][T12295] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 553.464616][T12295] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 553.464617][T12295] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 553.464619][T12295] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 553.464621][T12295] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 553.464623][T12295] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 553.464624][T12295] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.464625][T12295] ? netlink_ack (./include/linux/skbuff.h:2718) [ 553.464627][T12295] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 553.464630][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464631][T12295] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.464633][T12295] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 553.464635][T12295] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 553.464637][T12295] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 553.464639][T12295] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 553.464641][T12295] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 553.464643][T12295] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 553.464644][T12295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.464646][T12295] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 553.464649][T12295] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 553.464651][T12295] ____sys_sendmsg (net/socket.c:2713) [ 553.464652][T12295] ? copy_msghdr_from_user (net/socket.c:2650) [ 553.464654][T12295] ? sock_write_iter (net/socket.c:1269) [ 553.464655][T12295] ? move_addr_to_kernel (net/socket.c:258) [ 553.464657][T12295] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 553.464659][T12295] ___sys_sendmsg (net/socket.c:2767) [ 553.464661][T12295] ? copy_msghdr_from_user (net/socket.c:2619) [ 553.464666][T12295] __sys_sendmsg (net/socket.c:2799) [ 553.464668][T12295] ? __sys_sendmsg_sock (net/socket.c:2780) [ 553.464670][T12295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.464672][T12295] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 553.464674][T12295] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 553.464676][T12295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 553.464677][T12295] RIP: 0033:0x7f74ce1e554e [ 553.464679][T12295] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 553.464681][T12295] RSP: 002b:00007ffc6ff9b130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 553.464684][T12295] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f74ce1e554e [ 553.464686][T12295] RDX: 0000000000000000 RSI: 00007ffc6ff9b1e0 RDI: 0000000000000005 [ 553.464687][T12295] RBP: 00007ffc6ff9b140 R08: 0000000000000000 R09: 0000000000000000 [ 553.464688][T12295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b62 [ 553.464689][T12295] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6ff9b8a0 | [ 554.505549][T12345] softirqs last disabled at (0): 0x0 | [ 554.505551][T12345] Preemption disabled at: | [ 554.505551][T12345] vprintk_emit (kernel/printk/printk.c:2471) | [ 554.505561][T12345] Tainted: [W]=WARN [ 554.505562][T12345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 554.505564][T12345] Call Trace: [ 554.505565][T12345] [ 554.505567][T12345] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 554.505572][T12345] ? vprintk_emit (kernel/printk/printk.c:2471) [ 554.505573][T12345] __might_resched.cold (kernel/sched/core.c:9234) [ 554.505577][T12345] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 554.505579][T12345] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 554.505583][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505585][T12345] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 554.505588][T12345] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 554.505591][T12345] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 554.505596][T12345] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 554.505598][T12345] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 554.505600][T12345] put_chars (drivers/char/virtio_console.c:1176) [ 554.505602][T12345] ? __send_to_port (drivers/char/virtio_console.c:654) [ 554.505604][T12345] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 554.505606][T12345] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 554.505611][T12345] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 554.505613][T12345] ? vsnprintf (lib/vsprintf.c:2900) [ 554.505616][T12345] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 554.505617][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505618][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505620][T12345] console_emit_next_record (kernel/printk/printk.c:3183) [ 554.505623][T12345] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 554.505625][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505626][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505627][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505628][T12345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 554.505630][T12345] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 554.505632][T12345] console_flush_one_record (kernel/printk/printk.c:3268) [ 554.505634][T12345] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 554.505637][T12345] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 554.505639][T12345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 554.505640][T12345] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 554.505642][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505643][T12345] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 554.505645][T12345] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 554.505646][T12345] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 554.505648][T12345] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 554.505650][T12345] ? vprintk_emit (kernel/printk/printk.c:2478) [ 554.505651][T12345] vprintk_emit (kernel/printk/printk.c:2479) [ 554.505653][T12345] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 554.505654][T12345] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 554.505656][T12345] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 554.505658][T12345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 554.505660][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505661][T12345] _printk (kernel/printk/printk.c:2504) [ 554.505664][T12345] ? snapshot_read.cold (user.c:?) [ 554.505666][T12345] ? br_multicast_flood (??:?) [ 554.505670][T12345] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 554.505672][T12345] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 554.505674][T12345] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 554.505675][T12345] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 554.505678][T12345] br_init_port (net/bridge/br_stp_if.c:39) [ 554.505680][T12345] new_nbp (net/bridge/br_if.c:449) [ 554.505682][T12345] br_add_if (net/bridge/br_if.c:592) [ 554.505684][T12345] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 554.505688][T12345] do_set_master (net/core/rtnetlink.c:3071) [ 554.505690][T12345] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 554.505691][T12345] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 554.505693][T12345] ? __dev_get_by_name (net/core/dev.c:905) [ 554.505695][T12345] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 554.505701][T12345] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 554.505703][T12345] rtnl_newlink (net/core/rtnetlink.c:4215) [ 554.505705][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505707][T12345] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 554.505708][T12345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 554.505709][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505711][T12345] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 554.505713][T12345] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 554.505715][T12345] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 554.505718][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505719][T12345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 554.505720][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505721][T12345] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 554.505723][T12345] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 554.505724][T12345] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 554.505726][T12345] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 554.505727][T12345] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 554.505731][T12345] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 554.505734][T12345] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 554.505735][T12345] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 554.505737][T12345] ? netlink_ack (./include/linux/skbuff.h:2718) [ 554.505739][T12345] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 554.505741][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505743][T12345] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 554.505745][T12345] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 554.505747][T12345] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 554.505749][T12345] ? next_uptodate_folio (mm/filemap.c:3747) [ 554.505751][T12345] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 554.505754][T12345] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 554.505756][T12345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 554.505757][T12345] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 554.505761][T12345] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 554.505763][T12345] ____sys_sendmsg (net/socket.c:2713) [ 554.505765][T12345] ? copy_msghdr_from_user (net/socket.c:2650) [ 554.505767][T12345] ? sock_write_iter (net/socket.c:1269) [ 554.505768][T12345] ? move_addr_to_kernel (net/socket.c:258) [ 554.505774][T12345] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 554.505777][T12345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 554.505779][T12345] ___sys_sendmsg (net/socket.c:2767) [ 554.505780][T12345] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 554.505782][T12345] ? copy_msghdr_from_user (net/socket.c:2619) [ 554.505784][T12345] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 554.505788][T12345] __sys_sendmsg (net/socket.c:2799) [ 554.505790][T12345] ? __sys_sendmsg_sock (net/socket.c:2780) [ 554.505793][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505794][T12345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 554.505795][T12345] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 554.505798][T12345] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 554.505800][T12345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 554.505802][T12345] RIP: 0033:0x7f923058d54e [ 554.505804][T12345] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 554.505806][T12345] RSP: 002b:00007ffeb51915c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 554.505810][T12345] RAX: ffffffffffffffda RBX: 00007ffeb5191d88 RCX: 00007f923058d54e [ 554.505811][T12345] RDX: 0000000000000000 RSI: 00007ffeb5191670 RDI: 0000000000000005 [ 554.505812][T12345] RBP: 00007ffeb51915d0 R08: 0000000000000000 R09: 0000000000000000 [ 554.505813][T12345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b63 [ 554.505814][T12345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb5191d40 | [ 560.517306][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 560.517309][ T12] Preemption disabled at: | [ 560.517309][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 560.517320][ T12] Tainted: [W]=WARN [ 560.517321][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 560.517323][ T12] Workqueue: netns cleanup_net [ 560.517329][ T12] Call Trace: [ 560.517330][ T12] [ 560.517332][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 560.517337][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 560.517338][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 560.517342][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 560.517344][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 560.517348][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517350][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 560.517353][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.517356][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 560.517361][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 560.517362][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 560.517365][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 560.517367][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 560.517368][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 560.517371][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 560.517376][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 560.517378][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 560.517380][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.517382][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517383][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517385][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 560.517388][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 560.517390][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517391][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517392][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517393][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.517395][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 560.517397][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 560.517400][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 560.517403][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 560.517404][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.517406][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 560.517408][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517409][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 560.517411][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 560.517412][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 560.517414][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 560.517416][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 560.517418][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 560.517419][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 560.517421][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 560.517422][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 560.517425][ T12] ? kthread (kernel/kthread.c:436) [ 560.517427][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 560.517430][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 560.517433][ T12] _printk (kernel/printk/printk.c:2504) [ 560.517436][ T12] ? snapshot_read.cold (user.c:?) [ 560.517438][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 560.517442][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 560.517444][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 560.517446][ T12] ? netdev_notice (net/core/dev.c:13194) [ 560.517448][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517450][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 560.517451][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 560.517454][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 560.517456][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 560.517457][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 560.517459][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 560.517462][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 560.517466][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 560.517468][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 560.517470][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 560.517473][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 560.517474][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 560.517478][ T12] cleanup_net (net/core/net_namespace.c:706) [ 560.517479][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 560.517481][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517483][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.517484][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.517486][ T12] process_one_work (kernel/workqueue.c:3387) [ 560.517489][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 560.517491][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.517494][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 560.517497][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 560.517499][ T12] kthread (kernel/kthread.c:436) [ 560.517500][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 560.517502][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 560.517504][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 560.517506][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 560.517508][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 560.517511][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 560.517513][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 561.779559][T12479] softirqs last disabled at (0): 0x0 | [ 561.779561][T12479] Preemption disabled at: | [ 561.779562][T12479] vprintk_emit (kernel/printk/printk.c:2471) | [ 561.779572][T12479] Tainted: [W]=WARN [ 561.779573][T12479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 561.779574][T12479] Call Trace: [ 561.779576][T12479] [ 561.779577][T12479] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 561.779583][T12479] ? vprintk_emit (kernel/printk/printk.c:2471) [ 561.779584][T12479] __might_resched.cold (kernel/sched/core.c:9234) [ 561.779588][T12479] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 561.779590][T12479] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 561.779594][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779596][T12479] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 561.779599][T12479] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.779602][T12479] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 561.779607][T12479] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 561.779609][T12479] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 561.779611][T12479] put_chars (drivers/char/virtio_console.c:1176) [ 561.779613][T12479] ? __send_to_port (drivers/char/virtio_console.c:654) [ 561.779615][T12479] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 561.779617][T12479] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 561.779622][T12479] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 561.779624][T12479] ? vsnprintf (lib/vsprintf.c:2900) [ 561.779627][T12479] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.779629][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779630][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779632][T12479] console_emit_next_record (kernel/printk/printk.c:3183) [ 561.779634][T12479] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 561.779636][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779637][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779639][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779640][T12479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.779642][T12479] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 561.779644][T12479] console_flush_one_record (kernel/printk/printk.c:3268) [ 561.779646][T12479] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 561.779649][T12479] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 561.779651][T12479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.779652][T12479] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 561.779654][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779655][T12479] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.779657][T12479] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 561.779658][T12479] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 561.779660][T12479] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 561.779662][T12479] ? vprintk_emit (kernel/printk/printk.c:2478) [ 561.779663][T12479] vprintk_emit (kernel/printk/printk.c:2479) [ 561.779665][T12479] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 561.779666][T12479] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.779668][T12479] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 561.779671][T12479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.779672][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779674][T12479] _printk (kernel/printk/printk.c:2504) [ 561.779677][T12479] ? snapshot_read.cold (user.c:?) [ 561.779679][T12479] ? br_multicast_flood (??:?) [ 561.779682][T12479] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 561.779685][T12479] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 561.779686][T12479] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 561.779688][T12479] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 561.779691][T12479] br_init_port (net/bridge/br_stp_if.c:39) [ 561.779692][T12479] new_nbp (net/bridge/br_if.c:449) [ 561.779694][T12479] br_add_if (net/bridge/br_if.c:592) [ 561.779696][T12479] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 561.779700][T12479] do_set_master (net/core/rtnetlink.c:3071) [ 561.779702][T12479] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 561.779704][T12479] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 561.779705][T12479] ? __dev_get_by_name (net/core/dev.c:905) [ 561.779707][T12479] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 561.779711][T12479] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 561.779713][T12479] rtnl_newlink (net/core/rtnetlink.c:4215) [ 561.779715][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779717][T12479] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 561.779718][T12479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.779720][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779721][T12479] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 561.779723][T12479] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 561.779725][T12479] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 561.779728][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779729][T12479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.779730][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779731][T12479] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 561.779733][T12479] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 561.779735][T12479] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 561.779736][T12479] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 561.779737][T12479] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 561.779741][T12479] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 561.779744][T12479] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 561.779745][T12479] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.779747][T12479] ? netlink_ack (./include/linux/skbuff.h:2718) [ 561.779748][T12479] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 561.779751][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779752][T12479] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.779754][T12479] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 561.779757][T12479] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 561.779759][T12479] ? next_uptodate_folio (mm/filemap.c:3747) [ 561.779762][T12479] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 561.779764][T12479] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 561.779766][T12479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.779767][T12479] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 561.779771][T12479] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 561.779773][T12479] ____sys_sendmsg (net/socket.c:2713) [ 561.779775][T12479] ? copy_msghdr_from_user (net/socket.c:2650) [ 561.779777][T12479] ? sock_write_iter (net/socket.c:1269) [ 561.779778][T12479] ? move_addr_to_kernel (net/socket.c:258) [ 561.779781][T12479] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 561.779783][T12479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.779785][T12479] ___sys_sendmsg (net/socket.c:2767) [ 561.779786][T12479] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 561.779788][T12479] ? copy_msghdr_from_user (net/socket.c:2619) [ 561.779790][T12479] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 561.779795][T12479] __sys_sendmsg (net/socket.c:2799) [ 561.779801][T12479] ? __sys_sendmsg_sock (net/socket.c:2780) [ 561.779803][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779805][T12479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.779806][T12479] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 561.779809][T12479] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 561.779811][T12479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 561.779813][T12479] RIP: 0033:0x7f5b4f90454e [ 561.779815][T12479] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 561.779817][T12479] RSP: 002b:00007ffd7ddf2f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 561.779820][T12479] RAX: ffffffffffffffda RBX: 00007ffd7ddf3748 RCX: 00007f5b4f90454e [ 561.779822][T12479] RDX: 0000000000000000 RSI: 00007ffd7ddf3030 RDI: 0000000000000005 [ 561.779823][T12479] RBP: 00007ffd7ddf2f90 R08: 0000000000000000 R09: 0000000000000000 [ 561.779824][T12479] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b6b [ 561.779824][T12479] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7ddf3700 | [ 563.064094][T12547] softirqs last disabled at (0): 0x0 | [ 563.064096][T12547] Preemption disabled at: | [ 563.064097][T12547] vprintk_emit (kernel/printk/printk.c:2471) | [ 563.064106][T12547] Tainted: [W]=WARN [ 563.064108][T12547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 563.064109][T12547] Call Trace: [ 563.064111][T12547] [ 563.064112][T12547] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 563.064117][T12547] ? vprintk_emit (kernel/printk/printk.c:2471) [ 563.064119][T12547] __might_resched.cold (kernel/sched/core.c:9234) [ 563.064123][T12547] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 563.064126][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064129][T12547] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 563.064131][T12547] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.064134][T12547] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 563.064139][T12547] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 563.064141][T12547] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 563.064144][T12547] put_chars (drivers/char/virtio_console.c:1176) [ 563.064145][T12547] ? __send_to_port (drivers/char/virtio_console.c:654) [ 563.064146][T12547] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 563.064149][T12547] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 563.064151][T12547] ? pointer (lib/vsprintf.c:2577) [ 563.064154][T12547] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 563.064159][T12547] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 563.064160][T12547] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.064166][T12547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.064169][T12547] console_emit_next_record (kernel/printk/printk.c:3183) [ 563.064172][T12547] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 563.064174][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064175][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064176][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064177][T12547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.064179][T12547] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 563.064181][T12547] console_flush_one_record (kernel/printk/printk.c:3268) [ 563.064184][T12547] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 563.064186][T12547] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 563.064188][T12547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.064190][T12547] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 563.064192][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064193][T12547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.064194][T12547] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 563.064196][T12547] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 563.064198][T12547] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 563.064200][T12547] ? vprintk_emit (kernel/printk/printk.c:2478) [ 563.064201][T12547] vprintk_emit (kernel/printk/printk.c:2479) [ 563.064203][T12547] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 563.064204][T12547] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 563.064206][T12547] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 563.064210][T12547] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 563.064212][T12547] _printk (kernel/printk/printk.c:2504) [ 563.064215][T12547] ? snapshot_read.cold (user.c:?) [ 563.064217][T12547] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 563.064219][T12547] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 563.064222][T12547] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 563.064224][T12547] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 563.064228][T12547] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 563.064230][T12547] ? netdev_notice (net/core/dev.c:13194) [ 563.064232][T12547] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 563.064233][T12547] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 563.064236][T12547] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.064238][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064239][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064240][T12547] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 563.064241][T12547] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 563.064243][T12547] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 563.064244][T12547] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 563.064245][T12547] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 563.064247][T12547] ? register_netdev (net/core/dev.c:11618) [ 563.064249][T12547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.064251][T12547] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 563.064253][T12547] ? __kernel_text_address (kernel/extable.c:79) [ 563.064256][T12547] ? write_profile (profile.c:?) [ 563.064259][T12547] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 563.064263][T12547] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 563.064264][T12547] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 563.064266][T12547] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 563.064267][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064268][T12547] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 563.064272][T12547] ? kasan_save_stack (mm/kasan/common.c:58) [ 563.064274][T12547] ? kasan_save_stack (mm/kasan/common.c:57) [ 563.064275][T12547] ? kasan_save_track (mm/kasan/common.c:78) [ 563.064276][T12547] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 563.064277][T12547] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 563.064279][T12547] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 563.064280][T12547] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 563.064281][T12547] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 563.064284][T12547] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 563.064285][T12547] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 563.064287][T12547] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 563.064289][T12547] ? ____sys_sendmsg (net/socket.c:2713) [ 563.064291][T12547] ? ___sys_sendmsg (net/socket.c:2767) [ 563.064292][T12547] ? __sys_sendmsg (net/socket.c:2799) [ 563.064294][T12547] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 563.064296][T12547] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 563.064299][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064300][T12547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.064301][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064302][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064303][T12547] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 563.064305][T12547] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 563.064306][T12547] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 563.064307][T12547] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 563.064309][T12547] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 563.064310][T12547] ? nla_get_range_signed (lib/nlattr.c:270) [ 563.064313][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064315][T12547] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 563.064317][T12547] rtnl_newlink (net/core/rtnetlink.c:4215) [ 563.064319][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064320][T12547] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 563.064321][T12547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.064323][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064324][T12547] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 563.064326][T12547] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 563.064328][T12547] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 563.064329][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064330][T12547] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 563.064333][T12547] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 563.064336][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064337][T12547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.064338][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064340][T12547] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 563.064341][T12547] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 563.064343][T12547] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 563.064344][T12547] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 563.064345][T12547] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 563.064348][T12547] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 563.064349][T12547] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 563.064351][T12547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.064352][T12547] ? netlink_ack (./include/linux/skbuff.h:2718) [ 563.064354][T12547] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 563.064357][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064359][T12547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.064361][T12547] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 563.064363][T12547] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 563.064365][T12547] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 563.064367][T12547] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 563.064369][T12547] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 563.064371][T12547] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 563.064372][T12547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.064374][T12547] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 563.064377][T12547] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 563.064379][T12547] ____sys_sendmsg (net/socket.c:2713) [ 563.064381][T12547] ? copy_msghdr_from_user (net/socket.c:2650) [ 563.064383][T12547] ? sock_write_iter (net/socket.c:1269) [ 563.064384][T12547] ? move_addr_to_kernel (net/socket.c:258) [ 563.064386][T12547] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 563.064388][T12547] ___sys_sendmsg (net/socket.c:2767) [ 563.064390][T12547] ? copy_msghdr_from_user (net/socket.c:2619) [ 563.064395][T12547] __sys_sendmsg (net/socket.c:2799) [ 563.064397][T12547] ? __sys_sendmsg_sock (net/socket.c:2780) [ 563.064400][T12547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.064401][T12547] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 563.064403][T12547] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 563.064405][T12547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 563.064407][T12547] RIP: 0033:0x7fa0d151754e [ 563.064408][T12547] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 563.064410][T12547] RSP: 002b:00007fffffc60140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 563.064414][T12547] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa0d151754e [ 563.064415][T12547] RDX: 0000000000000000 RSI: 00007fffffc601f0 RDI: 0000000000000005 [ 563.064416][T12547] RBP: 00007fffffc60150 R08: 0000000000000000 R09: 0000000000000000 [ 563.064417][T12547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b6c [ 563.064418][T12547] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffffc608b0 | [ 564.168935][T12605] softirqs last disabled at (0): 0x0 | [ 564.168937][T12605] Preemption disabled at: | [ 564.168938][T12605] vprintk_emit (kernel/printk/printk.c:2471) | [ 564.168948][T12605] Tainted: [W]=WARN [ 564.168949][T12605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 564.168951][T12605] Call Trace: [ 564.168952][T12605] [ 564.168953][T12605] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 564.168959][T12605] ? vprintk_emit (kernel/printk/printk.c:2471) [ 564.168960][T12605] __might_resched.cold (kernel/sched/core.c:9234) [ 564.168964][T12605] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 564.168967][T12605] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 564.168970][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.168973][T12605] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 564.168975][T12605] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 564.168978][T12605] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 564.168983][T12605] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 564.168985][T12605] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 564.168988][T12605] put_chars (drivers/char/virtio_console.c:1176) [ 564.168990][T12605] ? __send_to_port (drivers/char/virtio_console.c:654) [ 564.168991][T12605] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 564.168994][T12605] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 564.168999][T12605] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 564.169001][T12605] ? vsnprintf (lib/vsprintf.c:2900) [ 564.169004][T12605] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 564.169005][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169006][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169008][T12605] console_emit_next_record (kernel/printk/printk.c:3183) [ 564.169011][T12605] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 564.169013][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169014][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169015][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169016][T12605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.169018][T12605] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 564.169020][T12605] console_flush_one_record (kernel/printk/printk.c:3268) [ 564.169023][T12605] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 564.169025][T12605] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 564.169027][T12605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.169029][T12605] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 564.169031][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169032][T12605] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 564.169033][T12605] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 564.169035][T12605] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 564.169036][T12605] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 564.169038][T12605] ? vprintk_emit (kernel/printk/printk.c:2478) [ 564.169040][T12605] vprintk_emit (kernel/printk/printk.c:2479) [ 564.169041][T12605] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 564.169043][T12605] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 564.169044][T12605] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 564.169047][T12605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.169049][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169050][T12605] _printk (kernel/printk/printk.c:2504) [ 564.169053][T12605] ? snapshot_read.cold (user.c:?) [ 564.169055][T12605] ? br_multicast_flood (??:?) [ 564.169059][T12605] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 564.169061][T12605] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 564.169063][T12605] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 564.169064][T12605] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 564.169067][T12605] br_init_port (net/bridge/br_stp_if.c:39) [ 564.169069][T12605] new_nbp (net/bridge/br_if.c:449) [ 564.169071][T12605] br_add_if (net/bridge/br_if.c:592) [ 564.169073][T12605] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 564.169077][T12605] do_set_master (net/core/rtnetlink.c:3071) [ 564.169079][T12605] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 564.169081][T12605] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 564.169082][T12605] ? __dev_get_by_name (net/core/dev.c:905) [ 564.169084][T12605] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 564.169088][T12605] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 564.169090][T12605] rtnl_newlink (net/core/rtnetlink.c:4215) [ 564.169092][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169093][T12605] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 564.169095][T12605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.169096][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169097][T12605] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 564.169100][T12605] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 564.169102][T12605] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 564.169104][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169105][T12605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.169107][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169108][T12605] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 564.169109][T12605] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 564.169111][T12605] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 564.169112][T12605] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 564.169114][T12605] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 564.169118][T12605] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 564.169121][T12605] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 564.169122][T12605] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 564.169124][T12605] ? netlink_ack (./include/linux/skbuff.h:2718) [ 564.169125][T12605] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 564.169128][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169129][T12605] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 564.169131][T12605] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 564.169134][T12605] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 564.169136][T12605] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 564.169138][T12605] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 564.169141][T12605] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 564.169143][T12605] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 564.169145][T12605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.169147][T12605] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 564.169150][T12605] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 564.169153][T12605] ____sys_sendmsg (net/socket.c:2713) [ 564.169155][T12605] ? copy_msghdr_from_user (net/socket.c:2650) [ 564.169157][T12605] ? sock_write_iter (net/socket.c:1269) [ 564.169158][T12605] ? move_addr_to_kernel (net/socket.c:258) [ 564.169161][T12605] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 564.169163][T12605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.169167][T12605] ___sys_sendmsg (net/socket.c:2767) [ 564.169169][T12605] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 564.169171][T12605] ? copy_msghdr_from_user (net/socket.c:2619) [ 564.169172][T12605] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 564.169177][T12605] __sys_sendmsg (net/socket.c:2799) [ 564.169179][T12605] ? __sys_sendmsg_sock (net/socket.c:2780) [ 564.169181][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169183][T12605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.169184][T12605] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 564.169186][T12605] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 564.169188][T12605] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 564.169190][T12605] RIP: 0033:0x7f1b3ad6f54e [ 564.169192][T12605] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 564.169194][T12605] RSP: 002b:00007ffc88a8b4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 564.169198][T12605] RAX: ffffffffffffffda RBX: 00007ffc88a8bcb8 RCX: 00007f1b3ad6f54e [ 564.169199][T12605] RDX: 0000000000000000 RSI: 00007ffc88a8b5a0 RDI: 0000000000000005 [ 564.169200][T12605] RBP: 00007ffc88a8b500 R08: 0000000000000000 R09: 0000000000000000 [ 564.169201][T12605] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b6d [ 564.169202][T12605] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88a8bc70 | [ 570.166640][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 570.166642][ T12] Preemption disabled at: | [ 570.166643][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 570.166654][ T12] Tainted: [W]=WARN [ 570.166655][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 570.166657][ T12] Workqueue: netns cleanup_net [ 570.166662][ T12] Call Trace: [ 570.166664][ T12] [ 570.166665][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 570.166671][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 570.166672][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 570.166676][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 570.166678][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 570.166681][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166683][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 570.166686][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.166689][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 570.166694][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 570.166696][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 570.166698][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 570.166700][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 570.166701][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 570.166704][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 570.166708][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 570.166710][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 570.166712][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.166714][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166715][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166717][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 570.166720][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 570.166722][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166723][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166724][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166725][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.166727][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 570.166729][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 570.166731][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 570.166734][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 570.166736][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.166737][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 570.166739][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166740][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 570.166742][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 570.166743][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 570.166745][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 570.166747][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 570.166748][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 570.166750][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 570.166751][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 570.166753][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 570.166756][ T12] ? kthread (kernel/kthread.c:436) [ 570.166758][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 570.166761][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 570.166763][ T12] _printk (kernel/printk/printk.c:2504) [ 570.166766][ T12] ? snapshot_read.cold (user.c:?) [ 570.166768][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 570.166772][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 570.166774][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 570.166776][ T12] ? netdev_notice (net/core/dev.c:13194) [ 570.166778][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166779][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 570.166781][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 570.166784][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 570.166785][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 570.166787][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 570.166789][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 570.166791][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 570.166795][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 570.166797][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 570.166800][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 570.166802][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 570.166804][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 570.166806][ T12] cleanup_net (net/core/net_namespace.c:706) [ 570.166808][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 570.166810][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 570.166813][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.166814][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.166816][ T12] process_one_work (kernel/workqueue.c:3387) [ 570.166818][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 570.166821][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.166823][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 570.166834][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 570.166836][ T12] kthread (kernel/kthread.c:436) [ 570.166837][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 570.166839][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 570.166841][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 570.166843][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 570.166845][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 570.166848][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 570.166850][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 571.384669][T12741] softirqs last disabled at (0): 0x0 | [ 571.384671][T12741] Preemption disabled at: | [ 571.384671][T12741] vprintk_emit (kernel/printk/printk.c:2471) | [ 571.384681][T12741] Tainted: [W]=WARN [ 571.384682][T12741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 571.384684][T12741] Call Trace: [ 571.384686][T12741] [ 571.384687][T12741] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 571.384693][T12741] ? vprintk_emit (kernel/printk/printk.c:2471) [ 571.384694][T12741] __might_resched.cold (kernel/sched/core.c:9234) [ 571.384697][T12741] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 571.384700][T12741] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 571.384703][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384706][T12741] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 571.384708][T12741] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 571.384712][T12741] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 571.384717][T12741] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 571.384719][T12741] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 571.384721][T12741] put_chars (drivers/char/virtio_console.c:1176) [ 571.384723][T12741] ? __send_to_port (drivers/char/virtio_console.c:654) [ 571.384724][T12741] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 571.384727][T12741] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 571.384731][T12741] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 571.384733][T12741] ? vsnprintf (lib/vsprintf.c:2900) [ 571.384736][T12741] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 571.384738][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384739][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384741][T12741] console_emit_next_record (kernel/printk/printk.c:3183) [ 571.384744][T12741] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 571.384746][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384747][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384748][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384749][T12741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.384752][T12741] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 571.384753][T12741] console_flush_one_record (kernel/printk/printk.c:3268) [ 571.384756][T12741] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 571.384758][T12741] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 571.384760][T12741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.384762][T12741] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 571.384764][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384765][T12741] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 571.384767][T12741] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 571.384768][T12741] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 571.384769][T12741] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 571.384771][T12741] ? vprintk_emit (kernel/printk/printk.c:2478) [ 571.384773][T12741] vprintk_emit (kernel/printk/printk.c:2479) [ 571.384774][T12741] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 571.384775][T12741] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 571.384777][T12741] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 571.384780][T12741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.384782][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384783][T12741] _printk (kernel/printk/printk.c:2504) [ 571.384786][T12741] ? snapshot_read.cold (user.c:?) [ 571.384788][T12741] ? br_multicast_flood (??:?) [ 571.384792][T12741] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 571.384795][T12741] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 571.384796][T12741] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 571.384798][T12741] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 571.384800][T12741] br_init_port (net/bridge/br_stp_if.c:39) [ 571.384802][T12741] new_nbp (net/bridge/br_if.c:449) [ 571.384804][T12741] br_add_if (net/bridge/br_if.c:592) [ 571.384806][T12741] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 571.384810][T12741] do_set_master (net/core/rtnetlink.c:3071) [ 571.384812][T12741] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 571.384814][T12741] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 571.384815][T12741] ? __dev_get_by_name (net/core/dev.c:905) [ 571.384817][T12741] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 571.384821][T12741] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 571.384823][T12741] rtnl_newlink (net/core/rtnetlink.c:4215) [ 571.384825][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384826][T12741] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 571.384828][T12741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.384833][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384835][T12741] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 571.384837][T12741] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 571.384839][T12741] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 571.384842][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384843][T12741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.384844][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384845][T12741] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 571.384847][T12741] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 571.384849][T12741] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 571.384850][T12741] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 571.384852][T12741] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 571.384855][T12741] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 571.384858][T12741] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 571.384859][T12741] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 571.384861][T12741] ? netlink_ack (./include/linux/skbuff.h:2718) [ 571.384863][T12741] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 571.384866][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384867][T12741] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 571.384869][T12741] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 571.384871][T12741] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 571.384873][T12741] ? next_uptodate_folio (mm/filemap.c:3747) [ 571.384876][T12741] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 571.384878][T12741] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 571.384880][T12741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.384882][T12741] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 571.384885][T12741] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 571.384888][T12741] ____sys_sendmsg (net/socket.c:2713) [ 571.384890][T12741] ? copy_msghdr_from_user (net/socket.c:2650) [ 571.384892][T12741] ? sock_write_iter (net/socket.c:1269) [ 571.384893][T12741] ? move_addr_to_kernel (net/socket.c:258) [ 571.384895][T12741] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 571.384898][T12741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.384900][T12741] ___sys_sendmsg (net/socket.c:2767) [ 571.384901][T12741] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 571.384903][T12741] ? copy_msghdr_from_user (net/socket.c:2619) [ 571.384905][T12741] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 571.384909][T12741] __sys_sendmsg (net/socket.c:2799) [ 571.384911][T12741] ? __sys_sendmsg_sock (net/socket.c:2780) [ 571.384914][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384915][T12741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.384916][T12741] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 571.384919][T12741] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 571.384921][T12741] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 571.384923][T12741] RIP: 0033:0x7f6dcb79a54e [ 571.384925][T12741] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 571.384927][T12741] RSP: 002b:00007ffeec301070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 571.384930][T12741] RAX: ffffffffffffffda RBX: 00007ffeec301838 RCX: 00007f6dcb79a54e [ 571.384932][T12741] RDX: 0000000000000000 RSI: 00007ffeec301120 RDI: 0000000000000005 [ 571.384933][T12741] RBP: 00007ffeec301080 R08: 0000000000000000 R09: 0000000000000000 [ 571.384934][T12741] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b74 [ 571.384935][T12741] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeec3017f0 | [ 572.716177][T12810] softirqs last disabled at (0): 0x0 | [ 572.716179][T12810] Preemption disabled at: | [ 572.716180][T12810] vprintk_emit (kernel/printk/printk.c:2471) | [ 572.716189][T12810] Tainted: [W]=WARN [ 572.716191][T12810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 572.716192][T12810] Call Trace: [ 572.716194][T12810] [ 572.716195][T12810] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 572.716201][T12810] ? vprintk_emit (kernel/printk/printk.c:2471) [ 572.716202][T12810] __might_resched.cold (kernel/sched/core.c:9234) [ 572.716207][T12810] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 572.716210][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716213][T12810] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 572.716216][T12810] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.716219][T12810] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 572.716224][T12810] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 572.716226][T12810] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 572.716228][T12810] put_chars (drivers/char/virtio_console.c:1176) [ 572.716230][T12810] ? __send_to_port (drivers/char/virtio_console.c:654) [ 572.716231][T12810] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 572.716234][T12810] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 572.716236][T12810] ? pointer (lib/vsprintf.c:2577) [ 572.716239][T12810] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 572.716244][T12810] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 572.716246][T12810] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.716248][T12810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.716251][T12810] console_emit_next_record (kernel/printk/printk.c:3183) [ 572.716253][T12810] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 572.716255][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716257][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716258][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716259][T12810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.716261][T12810] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 572.716263][T12810] console_flush_one_record (kernel/printk/printk.c:3268) [ 572.716265][T12810] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 572.716268][T12810] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 572.716270][T12810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.716272][T12810] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 572.716273][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716274][T12810] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.716276][T12810] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 572.716277][T12810] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 572.716279][T12810] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 572.716281][T12810] ? vprintk_emit (kernel/printk/printk.c:2478) [ 572.716282][T12810] vprintk_emit (kernel/printk/printk.c:2479) [ 572.716284][T12810] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 572.716286][T12810] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 572.716288][T12810] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 572.716291][T12810] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 572.716294][T12810] _printk (kernel/printk/printk.c:2504) [ 572.716297][T12810] ? snapshot_read.cold (user.c:?) [ 572.716299][T12810] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 572.716301][T12810] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 572.716304][T12810] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 572.716306][T12810] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.716309][T12810] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 572.716312][T12810] ? netdev_notice (net/core/dev.c:13194) [ 572.716314][T12810] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 572.716316][T12810] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 572.716318][T12810] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.716320][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716321][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716322][T12810] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 572.716324][T12810] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 572.716325][T12810] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 572.716327][T12810] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.716328][T12810] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 572.716330][T12810] ? register_netdev (net/core/dev.c:11618) [ 572.716331][T12810] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.716334][T12810] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 572.716336][T12810] ? __kernel_text_address (kernel/extable.c:79) [ 572.716339][T12810] ? write_profile (profile.c:?) [ 572.716342][T12810] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 572.716346][T12810] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.716348][T12810] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 572.716350][T12810] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 572.716351][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716352][T12810] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 572.716355][T12810] ? kasan_save_stack (mm/kasan/common.c:58) [ 572.716357][T12810] ? kasan_save_stack (mm/kasan/common.c:57) [ 572.716358][T12810] ? kasan_save_track (mm/kasan/common.c:78) [ 572.716360][T12810] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 572.716361][T12810] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 572.716362][T12810] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 572.716363][T12810] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 572.716364][T12810] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 572.716367][T12810] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 572.716369][T12810] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 572.716371][T12810] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 572.716373][T12810] ? ____sys_sendmsg (net/socket.c:2713) [ 572.716375][T12810] ? ___sys_sendmsg (net/socket.c:2767) [ 572.716376][T12810] ? __sys_sendmsg (net/socket.c:2799) [ 572.716378][T12810] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 572.716380][T12810] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.716383][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716384][T12810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.716385][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716386][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716388][T12810] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 572.716389][T12810] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 572.716391][T12810] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 572.716392][T12810] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 572.716393][T12810] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 572.716395][T12810] ? nla_get_range_signed (lib/nlattr.c:270) [ 572.716398][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716399][T12810] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 572.716402][T12810] rtnl_newlink (net/core/rtnetlink.c:4215) [ 572.716404][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716405][T12810] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 572.716406][T12810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.716408][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716409][T12810] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 572.716411][T12810] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 572.716413][T12810] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 572.716414][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716415][T12810] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 572.716419][T12810] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 572.716421][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716422][T12810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.716424][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716425][T12810] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 572.716426][T12810] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 572.716428][T12810] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 572.716430][T12810] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 572.716431][T12810] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 572.716434][T12810] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 572.716435][T12810] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 572.716437][T12810] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.716438][T12810] ? netlink_ack (./include/linux/skbuff.h:2718) [ 572.716440][T12810] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 572.716443][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716444][T12810] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.716446][T12810] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 572.716449][T12810] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 572.716450][T12810] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.716452][T12810] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 572.716455][T12810] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 572.716456][T12810] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 572.716458][T12810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.716459][T12810] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 572.716463][T12810] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 572.716465][T12810] ____sys_sendmsg (net/socket.c:2713) [ 572.716466][T12810] ? copy_msghdr_from_user (net/socket.c:2650) [ 572.716468][T12810] ? sock_write_iter (net/socket.c:1269) [ 572.716469][T12810] ? move_addr_to_kernel (net/socket.c:258) [ 572.716471][T12810] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 572.716474][T12810] ___sys_sendmsg (net/socket.c:2767) [ 572.716476][T12810] ? copy_msghdr_from_user (net/socket.c:2619) [ 572.716481][T12810] __sys_sendmsg (net/socket.c:2799) [ 572.716483][T12810] ? __sys_sendmsg_sock (net/socket.c:2780) [ 572.716485][T12810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.716487][T12810] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 572.716489][T12810] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 572.716491][T12810] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.716492][T12810] RIP: 0033:0x7f2b5624854e [ 572.716494][T12810] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 572.716496][T12810] RSP: 002b:00007fffef8fa620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 572.716499][T12810] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2b5624854e [ 572.716501][T12810] RDX: 0000000000000000 RSI: 00007fffef8fa6d0 RDI: 0000000000000005 [ 572.716502][T12810] RBP: 00007fffef8fa630 R08: 0000000000000000 R09: 0000000000000000 [ 572.716503][T12810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b76 [ 572.716504][T12810] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffef8fad90 | [ 573.814552][T12867] softirqs last disabled at (0): 0x0 | [ 573.814554][T12867] Preemption disabled at: | [ 573.814555][T12867] vprintk_emit (kernel/printk/printk.c:2471) | [ 573.814565][T12867] Tainted: [W]=WARN [ 573.814566][T12867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 573.814568][T12867] Call Trace: [ 573.814570][T12867] [ 573.814571][T12867] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 573.814576][T12867] ? vprintk_emit (kernel/printk/printk.c:2471) [ 573.814577][T12867] __might_resched.cold (kernel/sched/core.c:9234) [ 573.814581][T12867] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 573.814583][T12867] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 573.814587][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814589][T12867] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 573.814592][T12867] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.814595][T12867] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.814600][T12867] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 573.814602][T12867] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.814604][T12867] put_chars (drivers/char/virtio_console.c:1176) [ 573.814606][T12867] ? __send_to_port (drivers/char/virtio_console.c:654) [ 573.814608][T12867] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 573.814611][T12867] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 573.814615][T12867] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 573.814617][T12867] ? vsnprintf (lib/vsprintf.c:2900) [ 573.814620][T12867] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.814622][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814623][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814625][T12867] console_emit_next_record (kernel/printk/printk.c:3183) [ 573.814628][T12867] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 573.814630][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814631][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814632][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814633][T12867] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.814635][T12867] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 573.814637][T12867] console_flush_one_record (kernel/printk/printk.c:3268) [ 573.814639][T12867] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 573.814642][T12867] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 573.814644][T12867] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.814646][T12867] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 573.814647][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814648][T12867] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.814650][T12867] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 573.814651][T12867] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 573.814653][T12867] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 573.814655][T12867] ? vprintk_emit (kernel/printk/printk.c:2478) [ 573.814656][T12867] vprintk_emit (kernel/printk/printk.c:2479) [ 573.814658][T12867] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 573.814659][T12867] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.814661][T12867] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.814664][T12867] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.814666][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814667][T12867] _printk (kernel/printk/printk.c:2504) [ 573.814670][T12867] ? snapshot_read.cold (user.c:?) [ 573.814672][T12867] ? br_multicast_flood (??:?) [ 573.814676][T12867] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 573.814679][T12867] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 573.814680][T12867] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 573.814682][T12867] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 573.814685][T12867] br_init_port (net/bridge/br_stp_if.c:39) [ 573.814686][T12867] new_nbp (net/bridge/br_if.c:449) [ 573.814689][T12867] br_add_if (net/bridge/br_if.c:592) [ 573.814690][T12867] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 573.814695][T12867] do_set_master (net/core/rtnetlink.c:3071) [ 573.814697][T12867] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 573.814699][T12867] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 573.814700][T12867] ? __dev_get_by_name (net/core/dev.c:905) [ 573.814702][T12867] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 573.814706][T12867] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 573.814708][T12867] rtnl_newlink (net/core/rtnetlink.c:4215) [ 573.814710][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814711][T12867] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.814713][T12867] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.814714][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814715][T12867] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 573.814718][T12867] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 573.814720][T12867] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 573.814722][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814723][T12867] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.814725][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814726][T12867] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.814728][T12867] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 573.814729][T12867] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.814731][T12867] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.814732][T12867] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 573.814736][T12867] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 573.814739][T12867] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.814740][T12867] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.814742][T12867] ? netlink_ack (./include/linux/skbuff.h:2718) [ 573.814744][T12867] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 573.814746][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814748][T12867] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.814750][T12867] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 573.814752][T12867] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 573.814754][T12867] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 573.814756][T12867] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 573.814759][T12867] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 573.814761][T12867] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 573.814763][T12867] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.814765][T12867] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 573.814768][T12867] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 573.814771][T12867] ____sys_sendmsg (net/socket.c:2713) [ 573.814773][T12867] ? copy_msghdr_from_user (net/socket.c:2650) [ 573.814775][T12867] ? sock_write_iter (net/socket.c:1269) [ 573.814776][T12867] ? move_addr_to_kernel (net/socket.c:258) [ 573.814778][T12867] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 573.814781][T12867] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.814783][T12867] ___sys_sendmsg (net/socket.c:2767) [ 573.814784][T12867] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 573.814786][T12867] ? copy_msghdr_from_user (net/socket.c:2619) [ 573.814788][T12867] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 573.814792][T12867] __sys_sendmsg (net/socket.c:2799) [ 573.814794][T12867] ? __sys_sendmsg_sock (net/socket.c:2780) [ 573.814797][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814798][T12867] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.814799][T12867] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 573.814802][T12867] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 573.814804][T12867] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 573.814806][T12867] RIP: 0033:0x7fe8e5dc454e [ 573.814808][T12867] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 573.814810][T12867] RSP: 002b:00007ffe64ac7530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 573.814813][T12867] RAX: ffffffffffffffda RBX: 00007ffe64ac7cf8 RCX: 00007fe8e5dc454e [ 573.814815][T12867] RDX: 0000000000000000 RSI: 00007ffe64ac75e0 RDI: 0000000000000005 [ 573.814816][T12867] RBP: 00007ffe64ac7540 R08: 0000000000000000 R09: 0000000000000000 [ 573.814817][T12867] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b77 [ 573.814818][T12867] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe64ac7cb0 | [ 579.848823][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 579.848826][ T12] Preemption disabled at: | [ 579.848826][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 579.848838][ T12] Tainted: [W]=WARN [ 579.848839][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 579.848840][ T12] Workqueue: netns cleanup_net [ 579.848846][ T12] Call Trace: [ 579.848848][ T12] [ 579.848849][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 579.848855][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 579.848856][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 579.848864][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 579.848866][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 579.848870][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848873][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 579.848876][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.848879][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 579.848884][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 579.848885][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 579.848888][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 579.848890][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 579.848891][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 579.848894][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 579.848899][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 579.848900][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 579.848903][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.848905][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848906][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848908][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 579.848911][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 579.848913][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848914][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848915][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848916][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.848918][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 579.848920][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 579.848922][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 579.848925][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 579.848927][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.848928][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 579.848930][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848931][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 579.848933][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 579.848934][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 579.848936][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 579.848938][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 579.848939][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 579.848941][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 579.848942][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 579.848943][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 579.848946][ T12] ? kthread (kernel/kthread.c:436) [ 579.848948][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 579.848951][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 579.848954][ T12] _printk (kernel/printk/printk.c:2504) [ 579.848957][ T12] ? snapshot_read.cold (user.c:?) [ 579.848959][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 579.848962][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 579.848965][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 579.848967][ T12] ? netdev_notice (net/core/dev.c:13194) [ 579.848969][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.848970][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 579.848972][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 579.848975][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 579.848976][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 579.848978][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 579.848980][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 579.848982][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 579.848986][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 579.848988][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 579.848991][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 579.848993][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 579.848995][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 579.848998][ T12] cleanup_net (net/core/net_namespace.c:706) [ 579.849000][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 579.849001][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 579.849004][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.849006][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.849007][ T12] process_one_work (kernel/workqueue.c:3387) [ 579.849010][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 579.849013][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.849015][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 579.849018][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 579.849020][ T12] kthread (kernel/kthread.c:436) [ 579.849022][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 579.849024][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 579.849026][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 579.849027][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 579.849029][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 579.849032][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 579.849034][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 581.042305][T13001] softirqs last disabled at (0): 0x0 | [ 581.042307][T13001] Preemption disabled at: | [ 581.042307][T13001] vprintk_emit (kernel/printk/printk.c:2471) | [ 581.042317][T13001] Tainted: [W]=WARN [ 581.042318][T13001] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 581.042320][T13001] Call Trace: [ 581.042321][T13001] [ 581.042323][T13001] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 581.042328][T13001] ? vprintk_emit (kernel/printk/printk.c:2471) [ 581.042330][T13001] __might_resched.cold (kernel/sched/core.c:9234) [ 581.042333][T13001] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 581.042336][T13001] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 581.042339][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042341][T13001] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 581.042344][T13001] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.042347][T13001] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 581.042352][T13001] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 581.042354][T13001] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 581.042356][T13001] put_chars (drivers/char/virtio_console.c:1176) [ 581.042358][T13001] ? __send_to_port (drivers/char/virtio_console.c:654) [ 581.042360][T13001] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 581.042362][T13001] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 581.042367][T13001] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 581.042369][T13001] ? vsnprintf (lib/vsprintf.c:2900) [ 581.042372][T13001] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.042374][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042375][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042377][T13001] console_emit_next_record (kernel/printk/printk.c:3183) [ 581.042379][T13001] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 581.042381][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042382][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042383][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042384][T13001] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042387][T13001] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 581.042388][T13001] console_flush_one_record (kernel/printk/printk.c:3268) [ 581.042391][T13001] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 581.042394][T13001] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 581.042396][T13001] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042397][T13001] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 581.042399][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042400][T13001] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.042401][T13001] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 581.042403][T13001] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 581.042404][T13001] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 581.042407][T13001] ? vprintk_emit (kernel/printk/printk.c:2478) [ 581.042408][T13001] vprintk_emit (kernel/printk/printk.c:2479) [ 581.042410][T13001] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 581.042411][T13001] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.042413][T13001] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 581.042416][T13001] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042417][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042419][T13001] _printk (kernel/printk/printk.c:2504) [ 581.042422][T13001] ? snapshot_read.cold (user.c:?) [ 581.042424][T13001] ? br_multicast_flood (??:?) [ 581.042427][T13001] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 581.042430][T13001] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 581.042431][T13001] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 581.042433][T13001] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 581.042436][T13001] br_init_port (net/bridge/br_stp_if.c:39) [ 581.042438][T13001] new_nbp (net/bridge/br_if.c:449) [ 581.042440][T13001] br_add_if (net/bridge/br_if.c:592) [ 581.042442][T13001] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 581.042446][T13001] do_set_master (net/core/rtnetlink.c:3071) [ 581.042448][T13001] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 581.042449][T13001] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 581.042451][T13001] ? __dev_get_by_name (net/core/dev.c:905) [ 581.042453][T13001] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 581.042457][T13001] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 581.042459][T13001] rtnl_newlink (net/core/rtnetlink.c:4215) [ 581.042461][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042462][T13001] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 581.042464][T13001] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042465][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042467][T13001] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 581.042469][T13001] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 581.042471][T13001] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 581.042474][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042475][T13001] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042476][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042477][T13001] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 581.042479][T13001] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 581.042481][T13001] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 581.042482][T13001] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 581.042484][T13001] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 581.042487][T13001] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 581.042490][T13001] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 581.042491][T13001] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.042493][T13001] ? netlink_ack (./include/linux/skbuff.h:2718) [ 581.042495][T13001] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 581.042498][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042499][T13001] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.042501][T13001] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 581.042503][T13001] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 581.042505][T13001] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 581.042508][T13001] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 581.042511][T13001] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 581.042513][T13001] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 581.042515][T13001] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042517][T13001] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 581.042520][T13001] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 581.042523][T13001] ____sys_sendmsg (net/socket.c:2713) [ 581.042524][T13001] ? copy_msghdr_from_user (net/socket.c:2650) [ 581.042526][T13001] ? sock_write_iter (net/socket.c:1269) [ 581.042527][T13001] ? move_addr_to_kernel (net/socket.c:258) [ 581.042530][T13001] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 581.042532][T13001] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042534][T13001] ___sys_sendmsg (net/socket.c:2767) [ 581.042536][T13001] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 581.042538][T13001] ? copy_msghdr_from_user (net/socket.c:2619) [ 581.042539][T13001] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 581.042544][T13001] __sys_sendmsg (net/socket.c:2799) [ 581.042546][T13001] ? __sys_sendmsg_sock (net/socket.c:2780) [ 581.042548][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042550][T13001] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042551][T13001] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 581.042553][T13001] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 581.042555][T13001] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 581.042557][T13001] RIP: 0033:0x7feaf4e1654e [ 581.042559][T13001] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 581.042561][T13001] RSP: 002b:00007ffdac864f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 581.042565][T13001] RAX: ffffffffffffffda RBX: 00007ffdac865738 RCX: 00007feaf4e1654e [ 581.042566][T13001] RDX: 0000000000000000 RSI: 00007ffdac865020 RDI: 0000000000000005 [ 581.042567][T13001] RBP: 00007ffdac864f80 R08: 0000000000000000 R09: 0000000000000000 [ 581.042568][T13001] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b7e [ 581.042569][T13001] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdac8656f0 | [ 582.362113][T13069] softirqs last disabled at (0): 0x0 | [ 582.362115][T13069] Preemption disabled at: | [ 582.362116][T13069] vprintk_emit (kernel/printk/printk.c:2471) | [ 582.362126][T13069] Tainted: [W]=WARN [ 582.362127][T13069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 582.362129][T13069] Call Trace: [ 582.362131][T13069] [ 582.362132][T13069] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 582.362137][T13069] ? vprintk_emit (kernel/printk/printk.c:2471) [ 582.362138][T13069] __might_resched.cold (kernel/sched/core.c:9234) [ 582.362142][T13069] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 582.362146][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362148][T13069] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 582.362151][T13069] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.362154][T13069] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 582.362159][T13069] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 582.362161][T13069] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 582.362166][T13069] put_chars (drivers/char/virtio_console.c:1176) [ 582.362168][T13069] ? __send_to_port (drivers/char/virtio_console.c:654) [ 582.362169][T13069] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 582.362172][T13069] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 582.362174][T13069] ? pointer (lib/vsprintf.c:2577) [ 582.362178][T13069] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 582.362182][T13069] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 582.362184][T13069] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.362186][T13069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.362189][T13069] console_emit_next_record (kernel/printk/printk.c:3183) [ 582.362192][T13069] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 582.362194][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362195][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362196][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362197][T13069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.362200][T13069] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 582.362201][T13069] console_flush_one_record (kernel/printk/printk.c:3268) [ 582.362204][T13069] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 582.362207][T13069] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 582.362209][T13069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.362210][T13069] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 582.362212][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362213][T13069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.362215][T13069] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 582.362216][T13069] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 582.362218][T13069] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 582.362220][T13069] ? vprintk_emit (kernel/printk/printk.c:2478) [ 582.362222][T13069] vprintk_emit (kernel/printk/printk.c:2479) [ 582.362224][T13069] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 582.362225][T13069] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 582.362227][T13069] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 582.362231][T13069] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 582.362233][T13069] _printk (kernel/printk/printk.c:2504) [ 582.362236][T13069] ? snapshot_read.cold (user.c:?) [ 582.362238][T13069] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 582.362240][T13069] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 582.362244][T13069] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 582.362246][T13069] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.362249][T13069] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 582.362251][T13069] ? netdev_notice (net/core/dev.c:13194) [ 582.362253][T13069] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 582.362255][T13069] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 582.362258][T13069] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.362260][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362261][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362262][T13069] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 582.362263][T13069] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 582.362265][T13069] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 582.362266][T13069] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.362268][T13069] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 582.362269][T13069] ? register_netdev (net/core/dev.c:11618) [ 582.362271][T13069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.362273][T13069] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 582.362276][T13069] ? __kernel_text_address (kernel/extable.c:79) [ 582.362278][T13069] ? write_profile (profile.c:?) [ 582.362281][T13069] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 582.362285][T13069] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.362287][T13069] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 582.362288][T13069] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 582.362289][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362290][T13069] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 582.362294][T13069] ? kasan_save_stack (mm/kasan/common.c:58) [ 582.362296][T13069] ? kasan_save_stack (mm/kasan/common.c:57) [ 582.362297][T13069] ? kasan_save_track (mm/kasan/common.c:78) [ 582.362298][T13069] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 582.362300][T13069] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 582.362301][T13069] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 582.362302][T13069] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 582.362303][T13069] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 582.362306][T13069] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 582.362308][T13069] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 582.362309][T13069] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 582.362312][T13069] ? ____sys_sendmsg (net/socket.c:2713) [ 582.362313][T13069] ? ___sys_sendmsg (net/socket.c:2767) [ 582.362315][T13069] ? __sys_sendmsg (net/socket.c:2799) [ 582.362317][T13069] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 582.362319][T13069] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.362321][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362323][T13069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.362324][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362325][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362326][T13069] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 582.362328][T13069] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 582.362329][T13069] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 582.362330][T13069] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 582.362332][T13069] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 582.362333][T13069] ? nla_get_range_signed (lib/nlattr.c:270) [ 582.362337][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362338][T13069] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 582.362340][T13069] rtnl_newlink (net/core/rtnetlink.c:4215) [ 582.362342][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362343][T13069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 582.362345][T13069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.362346][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362348][T13069] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 582.362350][T13069] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 582.362351][T13069] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 582.362353][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362354][T13069] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 582.362357][T13069] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 582.362360][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362361][T13069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.362362][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362364][T13069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 582.362365][T13069] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 582.362367][T13069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 582.362368][T13069] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 582.362370][T13069] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 582.362372][T13069] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 582.362374][T13069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 582.362375][T13069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.362377][T13069] ? netlink_ack (./include/linux/skbuff.h:2718) [ 582.362378][T13069] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 582.362382][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362383][T13069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.362385][T13069] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 582.362387][T13069] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 582.362389][T13069] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.362391][T13069] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 582.362393][T13069] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 582.362395][T13069] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 582.362396][T13069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.362398][T13069] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 582.362401][T13069] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 582.362403][T13069] ____sys_sendmsg (net/socket.c:2713) [ 582.362405][T13069] ? copy_msghdr_from_user (net/socket.c:2650) [ 582.362407][T13069] ? sock_write_iter (net/socket.c:1269) [ 582.362408][T13069] ? move_addr_to_kernel (net/socket.c:258) [ 582.362410][T13069] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 582.362412][T13069] ___sys_sendmsg (net/socket.c:2767) [ 582.362414][T13069] ? copy_msghdr_from_user (net/socket.c:2619) [ 582.362419][T13069] __sys_sendmsg (net/socket.c:2799) [ 582.362421][T13069] ? __sys_sendmsg_sock (net/socket.c:2780) [ 582.362424][T13069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.362426][T13069] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 582.362427][T13069] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 582.362430][T13069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.362431][T13069] RIP: 0033:0x7f431d83654e [ 582.362433][T13069] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 582.362435][T13069] RSP: 002b:00007ffe5df0c340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 582.362438][T13069] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f431d83654e [ 582.362440][T13069] RDX: 0000000000000000 RSI: 00007ffe5df0c3f0 RDI: 0000000000000005 [ 582.362441][T13069] RBP: 00007ffe5df0c350 R08: 0000000000000000 R09: 0000000000000000 [ 582.362442][T13069] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b7f [ 582.362443][T13069] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5df0cab0 | [ 583.471270][T13127] softirqs last disabled at (0): 0x0 | [ 583.471272][T13127] Preemption disabled at: | [ 583.471272][T13127] vprintk_emit (kernel/printk/printk.c:2471) | [ 583.471282][T13127] Tainted: [W]=WARN [ 583.471283][T13127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 583.471285][T13127] Call Trace: [ 583.471287][T13127] [ 583.471288][T13127] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 583.471293][T13127] ? vprintk_emit (kernel/printk/printk.c:2471) [ 583.471295][T13127] __might_resched.cold (kernel/sched/core.c:9234) [ 583.471299][T13127] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 583.471301][T13127] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 583.471304][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471307][T13127] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 583.471310][T13127] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.471313][T13127] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 583.471318][T13127] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 583.471319][T13127] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 583.471322][T13127] put_chars (drivers/char/virtio_console.c:1176) [ 583.471323][T13127] ? __send_to_port (drivers/char/virtio_console.c:654) [ 583.471325][T13127] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 583.471328][T13127] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 583.471332][T13127] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 583.471334][T13127] ? vsnprintf (lib/vsprintf.c:2900) [ 583.471337][T13127] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.471339][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471340][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471342][T13127] console_emit_next_record (kernel/printk/printk.c:3183) [ 583.471344][T13127] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 583.471347][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471348][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471349][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471350][T13127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.471352][T13127] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 583.471354][T13127] console_flush_one_record (kernel/printk/printk.c:3268) [ 583.471356][T13127] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 583.471359][T13127] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 583.471360][T13127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.471362][T13127] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 583.471364][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471365][T13127] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.471366][T13127] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 583.471368][T13127] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 583.471370][T13127] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 583.471372][T13127] ? vprintk_emit (kernel/printk/printk.c:2478) [ 583.471373][T13127] vprintk_emit (kernel/printk/printk.c:2479) [ 583.471375][T13127] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 583.471376][T13127] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.471378][T13127] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 583.471381][T13127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.471382][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471384][T13127] _printk (kernel/printk/printk.c:2504) [ 583.471387][T13127] ? snapshot_read.cold (user.c:?) [ 583.471389][T13127] ? br_multicast_flood (??:?) [ 583.471392][T13127] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 583.471395][T13127] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 583.471396][T13127] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 583.471398][T13127] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 583.471401][T13127] br_init_port (net/bridge/br_stp_if.c:39) [ 583.471403][T13127] new_nbp (net/bridge/br_if.c:449) [ 583.471405][T13127] br_add_if (net/bridge/br_if.c:592) [ 583.471407][T13127] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 583.471411][T13127] do_set_master (net/core/rtnetlink.c:3071) [ 583.471413][T13127] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 583.471414][T13127] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 583.471416][T13127] ? __dev_get_by_name (net/core/dev.c:905) [ 583.471418][T13127] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 583.471422][T13127] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 583.471424][T13127] rtnl_newlink (net/core/rtnetlink.c:4215) [ 583.471426][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471427][T13127] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 583.471429][T13127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.471430][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471432][T13127] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 583.471434][T13127] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 583.471436][T13127] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 583.471438][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471439][T13127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.471441][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471442][T13127] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 583.471443][T13127] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 583.471445][T13127] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 583.471446][T13127] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 583.471448][T13127] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 583.471451][T13127] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 583.471454][T13127] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 583.471455][T13127] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.471457][T13127] ? netlink_ack (./include/linux/skbuff.h:2718) [ 583.471459][T13127] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 583.471461][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471463][T13127] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.471465][T13127] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 583.471467][T13127] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 583.471469][T13127] ? next_uptodate_folio (mm/filemap.c:3747) [ 583.471472][T13127] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 583.471474][T13127] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 583.471476][T13127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.471478][T13127] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 583.471481][T13127] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 583.471484][T13127] ____sys_sendmsg (net/socket.c:2713) [ 583.471486][T13127] ? copy_msghdr_from_user (net/socket.c:2650) [ 583.471487][T13127] ? sock_write_iter (net/socket.c:1269) [ 583.471489][T13127] ? move_addr_to_kernel (net/socket.c:258) [ 583.471491][T13127] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 583.471493][T13127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.471495][T13127] ___sys_sendmsg (net/socket.c:2767) [ 583.471497][T13127] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 583.471499][T13127] ? copy_msghdr_from_user (net/socket.c:2619) [ 583.471500][T13127] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 583.471505][T13127] __sys_sendmsg (net/socket.c:2799) [ 583.471507][T13127] ? __sys_sendmsg_sock (net/socket.c:2780) [ 583.471510][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471511][T13127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.471512][T13127] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 583.471515][T13127] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 583.471517][T13127] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 583.471518][T13127] RIP: 0033:0x7f83fff7a54e [ 583.471520][T13127] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 583.471522][T13127] RSP: 002b:00007ffd8157eff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 583.471526][T13127] RAX: ffffffffffffffda RBX: 00007ffd8157f7b8 RCX: 00007f83fff7a54e [ 583.471527][T13127] RDX: 0000000000000000 RSI: 00007ffd8157f0a0 RDI: 0000000000000005 [ 583.471528][T13127] RBP: 00007ffd8157f000 R08: 0000000000000000 R09: 0000000000000000 [ 583.471529][T13127] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b80 [ 583.471530][T13127] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8157f770 | [ 589.484264][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 589.484266][ T12] Preemption disabled at: | [ 589.484266][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 589.484278][ T12] Tainted: [W]=WARN [ 589.484279][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 589.484280][ T12] Workqueue: netns cleanup_net [ 589.484286][ T12] Call Trace: [ 589.484288][ T12] [ 589.484289][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 589.484294][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 589.484296][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 589.484299][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 589.484301][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 589.484305][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484307][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 589.484310][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.484313][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 589.484318][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 589.484320][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 589.484322][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 589.484324][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 589.484326][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 589.484328][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 589.484333][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 589.484334][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 589.484337][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.484339][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484340][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484341][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 589.484344][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 589.484346][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484347][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484348][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484349][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.484352][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 589.484354][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 589.484356][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 589.484359][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 589.484360][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.484362][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 589.484364][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484365][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 589.484366][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 589.484368][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 589.484369][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 589.484371][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 589.484373][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 589.484375][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 589.484376][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 589.484377][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 589.484380][ T12] ? kthread (kernel/kthread.c:436) [ 589.484382][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 589.484385][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 589.484388][ T12] _printk (kernel/printk/printk.c:2504) [ 589.484391][ T12] ? snapshot_read.cold (user.c:?) [ 589.484393][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 589.484396][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 589.484398][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 589.484401][ T12] ? netdev_notice (net/core/dev.c:13194) [ 589.484403][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484404][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 589.484405][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 589.484408][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 589.484410][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 589.484411][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 589.484413][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 589.484416][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 589.484420][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 589.484422][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 589.484424][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 589.484426][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 589.484428][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 589.484431][ T12] cleanup_net (net/core/net_namespace.c:706) [ 589.484433][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 589.484435][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.484436][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.484438][ T12] process_one_work (kernel/workqueue.c:3387) [ 589.484441][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 589.484444][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.484446][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 589.484449][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 589.484451][ T12] kthread (kernel/kthread.c:436) [ 589.484452][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 589.484454][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 589.484456][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 589.484458][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 589.484460][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 589.484463][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 589.484464][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 590.681462][T13261] softirqs last disabled at (0): 0x0 | [ 590.681464][T13261] Preemption disabled at: | [ 590.681465][T13261] vprintk_emit (kernel/printk/printk.c:2471) | [ 590.681474][T13261] Tainted: [W]=WARN [ 590.681476][T13261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 590.681477][T13261] Call Trace: [ 590.681479][T13261] [ 590.681480][T13261] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 590.681486][T13261] ? vprintk_emit (kernel/printk/printk.c:2471) [ 590.681487][T13261] __might_resched.cold (kernel/sched/core.c:9234) [ 590.681491][T13261] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 590.681493][T13261] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 590.681496][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681499][T13261] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 590.681501][T13261] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.681504][T13261] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 590.681509][T13261] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 590.681511][T13261] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 590.681513][T13261] put_chars (drivers/char/virtio_console.c:1176) [ 590.681515][T13261] ? __send_to_port (drivers/char/virtio_console.c:654) [ 590.681517][T13261] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 590.681519][T13261] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 590.681524][T13261] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 590.681526][T13261] ? vsnprintf (lib/vsprintf.c:2900) [ 590.681528][T13261] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.681530][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681531][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681533][T13261] console_emit_next_record (kernel/printk/printk.c:3183) [ 590.681536][T13261] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 590.681538][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681539][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681540][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681541][T13261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.681543][T13261] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 590.681545][T13261] console_flush_one_record (kernel/printk/printk.c:3268) [ 590.681548][T13261] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 590.681551][T13261] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 590.681552][T13261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.681554][T13261] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 590.681556][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681557][T13261] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.681558][T13261] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 590.681560][T13261] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 590.681561][T13261] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 590.681563][T13261] ? vprintk_emit (kernel/printk/printk.c:2478) [ 590.681565][T13261] vprintk_emit (kernel/printk/printk.c:2479) [ 590.681566][T13261] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 590.681568][T13261] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.681569][T13261] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 590.681572][T13261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.681574][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681575][T13261] _printk (kernel/printk/printk.c:2504) [ 590.681578][T13261] ? snapshot_read.cold (user.c:?) [ 590.681580][T13261] ? br_multicast_flood (??:?) [ 590.681583][T13261] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 590.681586][T13261] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 590.681587][T13261] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 590.681589][T13261] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 590.681591][T13261] br_init_port (net/bridge/br_stp_if.c:39) [ 590.681593][T13261] new_nbp (net/bridge/br_if.c:449) [ 590.681595][T13261] br_add_if (net/bridge/br_if.c:592) [ 590.681597][T13261] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 590.681601][T13261] do_set_master (net/core/rtnetlink.c:3071) [ 590.681603][T13261] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 590.681605][T13261] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 590.681606][T13261] ? __dev_get_by_name (net/core/dev.c:905) [ 590.681608][T13261] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 590.681612][T13261] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 590.681614][T13261] rtnl_newlink (net/core/rtnetlink.c:4215) [ 590.681616][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681618][T13261] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 590.681619][T13261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.681620][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681622][T13261] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 590.681624][T13261] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 590.681626][T13261] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 590.681628][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681629][T13261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.681631][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681632][T13261] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 590.681634][T13261] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 590.681635][T13261] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 590.681637][T13261] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 590.681638][T13261] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 590.681642][T13261] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 590.681644][T13261] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 590.681647][T13261] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.681649][T13261] ? netlink_ack (./include/linux/skbuff.h:2718) [ 590.681651][T13261] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 590.681654][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681655][T13261] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.681657][T13261] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 590.681659][T13261] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 590.681661][T13261] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 590.681664][T13261] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 590.681666][T13261] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 590.681669][T13261] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 590.681671][T13261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.681672][T13261] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 590.681675][T13261] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 590.681678][T13261] ____sys_sendmsg (net/socket.c:2713) [ 590.681680][T13261] ? copy_msghdr_from_user (net/socket.c:2650) [ 590.681682][T13261] ? sock_write_iter (net/socket.c:1269) [ 590.681683][T13261] ? move_addr_to_kernel (net/socket.c:258) [ 590.681685][T13261] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 590.681688][T13261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.681690][T13261] ___sys_sendmsg (net/socket.c:2767) [ 590.681691][T13261] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 590.681693][T13261] ? copy_msghdr_from_user (net/socket.c:2619) [ 590.681695][T13261] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 590.681699][T13261] __sys_sendmsg (net/socket.c:2799) [ 590.681702][T13261] ? __sys_sendmsg_sock (net/socket.c:2780) [ 590.681704][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681705][T13261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.681707][T13261] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 590.681709][T13261] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 590.681711][T13261] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 590.681713][T13261] RIP: 0033:0x7f6cceb3154e [ 590.681715][T13261] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 590.681717][T13261] RSP: 002b:00007fff9e4a4630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 590.681721][T13261] RAX: ffffffffffffffda RBX: 00007fff9e4a4df8 RCX: 00007f6cceb3154e [ 590.681722][T13261] RDX: 0000000000000000 RSI: 00007fff9e4a46e0 RDI: 0000000000000005 [ 590.681723][T13261] RBP: 00007fff9e4a4640 R08: 0000000000000000 R09: 0000000000000000 [ 590.681724][T13261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b87 [ 590.681725][T13261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9e4a4db0 | [ 591.998285][T13330] softirqs last disabled at (0): 0x0 | [ 591.998287][T13330] Preemption disabled at: | [ 591.998288][T13330] vprintk_emit (kernel/printk/printk.c:2471) | [ 591.998297][T13330] Tainted: [W]=WARN [ 591.998298][T13330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.998300][T13330] Call Trace: [ 591.998301][T13330] [ 591.998302][T13330] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 591.998308][T13330] ? vprintk_emit (kernel/printk/printk.c:2471) [ 591.998309][T13330] __might_resched.cold (kernel/sched/core.c:9234) [ 591.998313][T13330] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 591.998316][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998319][T13330] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 591.998321][T13330] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.998324][T13330] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 591.998329][T13330] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 591.998331][T13330] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 591.998333][T13330] put_chars (drivers/char/virtio_console.c:1176) [ 591.998335][T13330] ? __send_to_port (drivers/char/virtio_console.c:654) [ 591.998336][T13330] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 591.998338][T13330] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 591.998340][T13330] ? pointer (lib/vsprintf.c:2577) [ 591.998344][T13330] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 591.998349][T13330] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 591.998350][T13330] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.998352][T13330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.998355][T13330] console_emit_next_record (kernel/printk/printk.c:3183) [ 591.998357][T13330] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 591.998360][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998361][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998362][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998363][T13330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.998364][T13330] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 591.998366][T13330] console_flush_one_record (kernel/printk/printk.c:3268) [ 591.998369][T13330] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 591.998372][T13330] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 591.998373][T13330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.998375][T13330] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 591.998377][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998378][T13330] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.998379][T13330] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 591.998381][T13330] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 591.998382][T13330] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 591.998384][T13330] ? vprintk_emit (kernel/printk/printk.c:2478) [ 591.998385][T13330] vprintk_emit (kernel/printk/printk.c:2479) [ 591.998387][T13330] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 591.998388][T13330] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 591.998391][T13330] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 591.998394][T13330] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 591.998396][T13330] _printk (kernel/printk/printk.c:2504) [ 591.998399][T13330] ? snapshot_read.cold (user.c:?) [ 591.998401][T13330] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 591.998403][T13330] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 591.998406][T13330] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 591.998408][T13330] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.998411][T13330] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 591.998413][T13330] ? netdev_notice (net/core/dev.c:13194) [ 591.998415][T13330] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 591.998417][T13330] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 591.998419][T13330] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.998421][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998422][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998423][T13330] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 591.998425][T13330] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 591.998426][T13330] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 591.998427][T13330] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.998429][T13330] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 591.998431][T13330] ? register_netdev (net/core/dev.c:11618) [ 591.998432][T13330] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.998434][T13330] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 591.998437][T13330] ? __kernel_text_address (kernel/extable.c:79) [ 591.998439][T13330] ? write_profile (profile.c:?) [ 591.998442][T13330] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 591.998445][T13330] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.998447][T13330] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 591.998449][T13330] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 591.998450][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998451][T13330] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 591.998454][T13330] ? kasan_save_stack (mm/kasan/common.c:58) [ 591.998456][T13330] ? kasan_save_stack (mm/kasan/common.c:57) [ 591.998457][T13330] ? kasan_save_track (mm/kasan/common.c:78) [ 591.998458][T13330] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 591.998459][T13330] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 591.998460][T13330] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 591.998461][T13330] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 591.998463][T13330] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 591.998465][T13330] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 591.998467][T13330] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 591.998468][T13330] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 591.998471][T13330] ? ____sys_sendmsg (net/socket.c:2713) [ 591.998472][T13330] ? ___sys_sendmsg (net/socket.c:2767) [ 591.998474][T13330] ? __sys_sendmsg (net/socket.c:2799) [ 591.998475][T13330] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 591.998478][T13330] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.998480][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998481][T13330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.998483][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998484][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998485][T13330] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 591.998487][T13330] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 591.998488][T13330] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 591.998489][T13330] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 591.998490][T13330] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 591.998491][T13330] ? nla_get_range_signed (lib/nlattr.c:270) [ 591.998495][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998496][T13330] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 591.998498][T13330] rtnl_newlink (net/core/rtnetlink.c:4215) [ 591.998500][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998502][T13330] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 591.998503][T13330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.998504][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998506][T13330] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 591.998508][T13330] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 591.998509][T13330] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 591.998511][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998512][T13330] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 591.998515][T13330] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 591.998517][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998519][T13330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.998520][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998521][T13330] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 591.998523][T13330] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 591.998524][T13330] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 591.998526][T13330] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 591.998527][T13330] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 591.998529][T13330] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 591.998531][T13330] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 591.998533][T13330] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.998534][T13330] ? netlink_ack (./include/linux/skbuff.h:2718) [ 591.998536][T13330] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 591.998539][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998540][T13330] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.998542][T13330] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 591.998544][T13330] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 591.998546][T13330] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.998548][T13330] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 591.998550][T13330] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 591.998551][T13330] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 591.998553][T13330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.998554][T13330] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 591.998557][T13330] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 591.998559][T13330] ____sys_sendmsg (net/socket.c:2713) [ 591.998561][T13330] ? copy_msghdr_from_user (net/socket.c:2650) [ 591.998563][T13330] ? sock_write_iter (net/socket.c:1269) [ 591.998564][T13330] ? move_addr_to_kernel (net/socket.c:258) [ 591.998565][T13330] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 591.998568][T13330] ___sys_sendmsg (net/socket.c:2767) [ 591.998570][T13330] ? copy_msghdr_from_user (net/socket.c:2619) [ 591.998575][T13330] __sys_sendmsg (net/socket.c:2799) [ 591.998577][T13330] ? __sys_sendmsg_sock (net/socket.c:2780) [ 591.998579][T13330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.998581][T13330] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 591.998583][T13330] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 591.998585][T13330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.998586][T13330] RIP: 0033:0x7f8c4c72d54e [ 591.998588][T13330] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 591.998590][T13330] RSP: 002b:00007ffc4cccbcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 591.998593][T13330] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8c4c72d54e [ 591.998595][T13330] RDX: 0000000000000000 RSI: 00007ffc4cccbd70 RDI: 0000000000000005 [ 591.998596][T13330] RBP: 00007ffc4cccbcd0 R08: 0000000000000000 R09: 0000000000000000 [ 591.998596][T13330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b89 [ 591.998597][T13330] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4cccc430 | [ 593.045363][T13380] softirqs last disabled at (0): 0x0 | [ 593.045365][T13380] Preemption disabled at: | [ 593.045366][T13380] vprintk_emit (kernel/printk/printk.c:2471) | [ 593.045376][T13380] Tainted: [W]=WARN [ 593.045377][T13380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 593.045378][T13380] Call Trace: [ 593.045380][T13380] [ 593.045381][T13380] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 593.045387][T13380] ? vprintk_emit (kernel/printk/printk.c:2471) [ 593.045388][T13380] __might_resched.cold (kernel/sched/core.c:9234) [ 593.045392][T13380] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 593.045394][T13380] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 593.045397][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045400][T13380] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 593.045403][T13380] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 593.045406][T13380] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 593.045411][T13380] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 593.045413][T13380] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 593.045415][T13380] put_chars (drivers/char/virtio_console.c:1176) [ 593.045417][T13380] ? __send_to_port (drivers/char/virtio_console.c:654) [ 593.045419][T13380] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 593.045421][T13380] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 593.045426][T13380] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 593.045428][T13380] ? vsnprintf (lib/vsprintf.c:2900) [ 593.045431][T13380] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 593.045432][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045433][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045435][T13380] console_emit_next_record (kernel/printk/printk.c:3183) [ 593.045438][T13380] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 593.045440][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045441][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045442][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045443][T13380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.045445][T13380] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 593.045447][T13380] console_flush_one_record (kernel/printk/printk.c:3268) [ 593.045449][T13380] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 593.045452][T13380] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 593.045454][T13380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.045456][T13380] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 593.045458][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045459][T13380] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 593.045460][T13380] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 593.045462][T13380] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 593.045463][T13380] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 593.045465][T13380] ? vprintk_emit (kernel/printk/printk.c:2478) [ 593.045466][T13380] vprintk_emit (kernel/printk/printk.c:2479) [ 593.045468][T13380] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 593.045469][T13380] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 593.045471][T13380] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 593.045474][T13380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.045475][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045477][T13380] _printk (kernel/printk/printk.c:2504) [ 593.045480][T13380] ? snapshot_read.cold (user.c:?) [ 593.045482][T13380] ? br_multicast_flood (??:?) [ 593.045485][T13380] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 593.045488][T13380] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 593.045489][T13380] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 593.045491][T13380] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 593.045494][T13380] br_init_port (net/bridge/br_stp_if.c:39) [ 593.045495][T13380] new_nbp (net/bridge/br_if.c:449) [ 593.045497][T13380] br_add_if (net/bridge/br_if.c:592) [ 593.045499][T13380] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 593.045504][T13380] do_set_master (net/core/rtnetlink.c:3071) [ 593.045505][T13380] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 593.045507][T13380] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 593.045508][T13380] ? __dev_get_by_name (net/core/dev.c:905) [ 593.045510][T13380] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 593.045514][T13380] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 593.045517][T13380] rtnl_newlink (net/core/rtnetlink.c:4215) [ 593.045519][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045520][T13380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 593.045521][T13380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.045523][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045524][T13380] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 593.045527][T13380] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 593.045529][T13380] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 593.045531][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045532][T13380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.045534][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045535][T13380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 593.045536][T13380] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 593.045538][T13380] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 593.045539][T13380] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 593.045541][T13380] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 593.045544][T13380] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 593.045547][T13380] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 593.045548][T13380] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 593.045550][T13380] ? netlink_ack (./include/linux/skbuff.h:2718) [ 593.045552][T13380] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 593.045555][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045556][T13380] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 593.045558][T13380] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 593.045560][T13380] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 593.045562][T13380] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 593.045564][T13380] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 593.045567][T13380] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 593.045569][T13380] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 593.045571][T13380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.045573][T13380] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 593.045577][T13380] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 593.045580][T13380] ____sys_sendmsg (net/socket.c:2713) [ 593.045581][T13380] ? copy_msghdr_from_user (net/socket.c:2650) [ 593.045583][T13380] ? sock_write_iter (net/socket.c:1269) [ 593.045584][T13380] ? move_addr_to_kernel (net/socket.c:258) [ 593.045586][T13380] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 593.045589][T13380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.045591][T13380] ___sys_sendmsg (net/socket.c:2767) [ 593.045593][T13380] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 593.045594][T13380] ? copy_msghdr_from_user (net/socket.c:2619) [ 593.045596][T13380] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 593.045600][T13380] __sys_sendmsg (net/socket.c:2799) [ 593.045603][T13380] ? __sys_sendmsg_sock (net/socket.c:2780) [ 593.045605][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045607][T13380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.045608][T13380] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 593.045610][T13380] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 593.045612][T13380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 593.045614][T13380] RIP: 0033:0x7f538ed8454e [ 593.045616][T13380] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 593.045618][T13380] RSP: 002b:00007fff46463390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 593.045622][T13380] RAX: ffffffffffffffda RBX: 00007fff46463b58 RCX: 00007f538ed8454e [ 593.045623][T13380] RDX: 0000000000000000 RSI: 00007fff46463440 RDI: 0000000000000005 [ 593.045624][T13380] RBP: 00007fff464633a0 R08: 0000000000000000 R09: 0000000000000000 [ 593.045625][T13380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b8a [ 593.045626][T13380] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff46463b10 | [ 599.038142][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 599.038144][ T12] Preemption disabled at: | [ 599.038145][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 599.038156][ T12] Tainted: [W]=WARN [ 599.038157][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 599.038158][ T12] Workqueue: netns cleanup_net [ 599.038167][ T12] Call Trace: [ 599.038169][ T12] [ 599.038171][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 599.038176][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 599.038178][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 599.038181][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 599.038183][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 599.038187][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038189][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 599.038192][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.038195][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 599.038200][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 599.038202][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 599.038204][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 599.038206][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 599.038208][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 599.038210][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 599.038215][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 599.038217][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 599.038219][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.038221][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038222][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038223][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 599.038226][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 599.038228][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038229][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038230][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038231][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.038234][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 599.038236][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 599.038238][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 599.038241][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 599.038242][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.038244][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 599.038246][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038247][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 599.038248][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 599.038250][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 599.038251][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 599.038253][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 599.038255][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 599.038257][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 599.038258][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 599.038259][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 599.038262][ T12] ? kthread (kernel/kthread.c:436) [ 599.038264][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 599.038267][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 599.038270][ T12] _printk (kernel/printk/printk.c:2504) [ 599.038273][ T12] ? snapshot_read.cold (user.c:?) [ 599.038275][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 599.038279][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 599.038281][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 599.038283][ T12] ? netdev_notice (net/core/dev.c:13194) [ 599.038285][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038286][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 599.038288][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 599.038291][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 599.038292][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 599.038294][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 599.038296][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 599.038298][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 599.038302][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 599.038304][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 599.038306][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 599.038309][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 599.038310][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 599.038313][ T12] cleanup_net (net/core/net_namespace.c:706) [ 599.038315][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 599.038317][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.038319][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.038320][ T12] process_one_work (kernel/workqueue.c:3387) [ 599.038323][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 599.038326][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.038328][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 599.038331][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 599.038333][ T12] kthread (kernel/kthread.c:436) [ 599.038335][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 599.038336][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 599.038338][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 599.038340][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 599.038342][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 599.038345][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 599.038347][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 600.224715][T13515] softirqs last disabled at (0): 0x0 | [ 600.224717][T13515] Preemption disabled at: | [ 600.224717][T13515] vprintk_emit (kernel/printk/printk.c:2471) | [ 600.224727][T13515] Tainted: [W]=WARN [ 600.224728][T13515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 600.224730][T13515] Call Trace: [ 600.224731][T13515] [ 600.224733][T13515] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 600.224738][T13515] ? vprintk_emit (kernel/printk/printk.c:2471) [ 600.224739][T13515] __might_resched.cold (kernel/sched/core.c:9234) [ 600.224743][T13515] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 600.224745][T13515] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 600.224748][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224751][T13515] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 600.224754][T13515] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 600.224757][T13515] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 600.224761][T13515] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 600.224763][T13515] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 600.224765][T13515] put_chars (drivers/char/virtio_console.c:1176) [ 600.224767][T13515] ? __send_to_port (drivers/char/virtio_console.c:654) [ 600.224769][T13515] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 600.224772][T13515] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 600.224776][T13515] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 600.224778][T13515] ? vsnprintf (lib/vsprintf.c:2900) [ 600.224781][T13515] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 600.224783][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224784][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224785][T13515] console_emit_next_record (kernel/printk/printk.c:3183) [ 600.224788][T13515] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 600.224790][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224791][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224792][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224793][T13515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.224795][T13515] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 600.224797][T13515] console_flush_one_record (kernel/printk/printk.c:3268) [ 600.224800][T13515] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 600.224802][T13515] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 600.224804][T13515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.224806][T13515] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 600.224808][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224809][T13515] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 600.224810][T13515] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 600.224812][T13515] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 600.224813][T13515] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 600.224815][T13515] ? vprintk_emit (kernel/printk/printk.c:2478) [ 600.224817][T13515] vprintk_emit (kernel/printk/printk.c:2479) [ 600.224819][T13515] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 600.224820][T13515] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 600.224821][T13515] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 600.224824][T13515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.224826][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224827][T13515] _printk (kernel/printk/printk.c:2504) [ 600.224830][T13515] ? snapshot_read.cold (user.c:?) [ 600.224832][T13515] ? br_multicast_flood (??:?) [ 600.224835][T13515] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 600.224838][T13515] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 600.224839][T13515] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 600.224841][T13515] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 600.224844][T13515] br_init_port (net/bridge/br_stp_if.c:39) [ 600.224846][T13515] new_nbp (net/bridge/br_if.c:449) [ 600.224848][T13515] br_add_if (net/bridge/br_if.c:592) [ 600.224850][T13515] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 600.224854][T13515] do_set_master (net/core/rtnetlink.c:3071) [ 600.224856][T13515] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 600.224858][T13515] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 600.224859][T13515] ? __dev_get_by_name (net/core/dev.c:905) [ 600.224861][T13515] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 600.224865][T13515] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 600.224867][T13515] rtnl_newlink (net/core/rtnetlink.c:4215) [ 600.224869][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224870][T13515] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 600.224872][T13515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.224873][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224875][T13515] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 600.224877][T13515] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 600.224879][T13515] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 600.224881][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224882][T13515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.224884][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224885][T13515] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 600.224887][T13515] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 600.224888][T13515] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 600.224890][T13515] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 600.224891][T13515] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 600.224895][T13515] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 600.224898][T13515] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 600.224899][T13515] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 600.224901][T13515] ? netlink_ack (./include/linux/skbuff.h:2718) [ 600.224902][T13515] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 600.224905][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224906][T13515] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 600.224909][T13515] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 600.224911][T13515] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 600.224913][T13515] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 600.224915][T13515] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 600.224918][T13515] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 600.224920][T13515] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 600.224923][T13515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.224924][T13515] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 600.224928][T13515] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 600.224930][T13515] ____sys_sendmsg (net/socket.c:2713) [ 600.224937][T13515] ? copy_msghdr_from_user (net/socket.c:2650) [ 600.224939][T13515] ? sock_write_iter (net/socket.c:1269) [ 600.224941][T13515] ? move_addr_to_kernel (net/socket.c:258) [ 600.224943][T13515] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 600.224945][T13515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.224947][T13515] ___sys_sendmsg (net/socket.c:2767) [ 600.224949][T13515] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 600.224951][T13515] ? copy_msghdr_from_user (net/socket.c:2619) [ 600.224952][T13515] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 600.224957][T13515] __sys_sendmsg (net/socket.c:2799) [ 600.224959][T13515] ? __sys_sendmsg_sock (net/socket.c:2780) [ 600.224962][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224963][T13515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.224964][T13515] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 600.224967][T13515] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 600.224969][T13515] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 600.224971][T13515] RIP: 0033:0x7f3ecb57f54e [ 600.224972][T13515] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 600.224974][T13515] RSP: 002b:00007ffe24d278d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 600.224978][T13515] RAX: ffffffffffffffda RBX: 00007ffe24d28098 RCX: 00007f3ecb57f54e [ 600.224980][T13515] RDX: 0000000000000000 RSI: 00007ffe24d27980 RDI: 0000000000000005 [ 600.224981][T13515] RBP: 00007ffe24d278e0 R08: 0000000000000000 R09: 0000000000000000 [ 600.224982][T13515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b91 [ 600.224983][T13515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe24d28050 | [ 601.516227][T13584] softirqs last disabled at (0): 0x0 | [ 601.516229][T13584] Preemption disabled at: | [ 601.516230][T13584] vprintk_emit (kernel/printk/printk.c:2471) | [ 601.516240][T13584] Tainted: [W]=WARN [ 601.516241][T13584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 601.516243][T13584] Call Trace: [ 601.516244][T13584] [ 601.516245][T13584] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 601.516251][T13584] ? vprintk_emit (kernel/printk/printk.c:2471) [ 601.516252][T13584] __might_resched.cold (kernel/sched/core.c:9234) [ 601.516256][T13584] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 601.516260][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516262][T13584] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 601.516266][T13584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.516269][T13584] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 601.516274][T13584] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 601.516276][T13584] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 601.516278][T13584] put_chars (drivers/char/virtio_console.c:1176) [ 601.516280][T13584] ? __send_to_port (drivers/char/virtio_console.c:654) [ 601.516281][T13584] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 601.516283][T13584] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 601.516285][T13584] ? pointer (lib/vsprintf.c:2577) [ 601.516289][T13584] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 601.516293][T13584] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 601.516295][T13584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.516297][T13584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.516299][T13584] console_emit_next_record (kernel/printk/printk.c:3183) [ 601.516302][T13584] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 601.516304][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516305][T13584] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 601.516308][T13584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.516310][T13584] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 601.516311][T13584] console_flush_one_record (kernel/printk/printk.c:3268) [ 601.516314][T13584] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 601.516316][T13584] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 601.516320][T13584] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 601.516322][T13584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.516323][T13584] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 601.516325][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516326][T13584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.516327][T13584] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 601.516329][T13584] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 601.516330][T13584] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 601.516332][T13584] ? vprintk_emit (kernel/printk/printk.c:2478) [ 601.516334][T13584] vprintk_emit (kernel/printk/printk.c:2479) [ 601.516335][T13584] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 601.516336][T13584] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 601.516339][T13584] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 601.516342][T13584] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 601.516344][T13584] _printk (kernel/printk/printk.c:2504) [ 601.516347][T13584] ? snapshot_read.cold (user.c:?) [ 601.516349][T13584] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 601.516351][T13584] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 601.516355][T13584] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 601.516357][T13584] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.516360][T13584] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 601.516362][T13584] ? netdev_notice (net/core/dev.c:13194) [ 601.516364][T13584] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 601.516365][T13584] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 601.516368][T13584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.516370][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516371][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516372][T13584] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 601.516373][T13584] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 601.516375][T13584] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 601.516376][T13584] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.516377][T13584] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 601.516379][T13584] ? register_netdev (net/core/dev.c:11618) [ 601.516380][T13584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.516382][T13584] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 601.516385][T13584] ? __kernel_text_address (kernel/extable.c:79) [ 601.516387][T13584] ? write_profile (profile.c:?) [ 601.516390][T13584] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 601.516392][T13584] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.516394][T13584] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 601.516395][T13584] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 601.516396][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516398][T13584] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 601.516401][T13584] ? kasan_save_stack (mm/kasan/common.c:58) [ 601.516403][T13584] ? kasan_save_stack (mm/kasan/common.c:57) [ 601.516404][T13584] ? kasan_save_track (mm/kasan/common.c:78) [ 601.516405][T13584] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 601.516406][T13584] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 601.516407][T13584] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 601.516409][T13584] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 601.516410][T13584] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 601.516413][T13584] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 601.516414][T13584] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 601.516416][T13584] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 601.516418][T13584] ? ____sys_sendmsg (net/socket.c:2713) [ 601.516420][T13584] ? ___sys_sendmsg (net/socket.c:2767) [ 601.516421][T13584] ? __sys_sendmsg (net/socket.c:2799) [ 601.516423][T13584] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 601.516425][T13584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.516428][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516429][T13584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.516430][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516431][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516432][T13584] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 601.516434][T13584] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 601.516435][T13584] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 601.516437][T13584] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 601.516438][T13584] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 601.516439][T13584] ? nla_get_range_signed (lib/nlattr.c:270) [ 601.516443][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516444][T13584] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 601.516446][T13584] rtnl_newlink (net/core/rtnetlink.c:4215) [ 601.516448][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516449][T13584] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 601.516450][T13584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.516452][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516453][T13584] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 601.516456][T13584] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 601.516457][T13584] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 601.516458][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516460][T13584] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 601.516463][T13584] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 601.516465][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516466][T13584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.516467][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516469][T13584] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 601.516470][T13584] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 601.516472][T13584] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 601.516473][T13584] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 601.516475][T13584] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 601.516477][T13584] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 601.516479][T13584] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 601.516480][T13584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.516482][T13584] ? netlink_ack (./include/linux/skbuff.h:2718) [ 601.516483][T13584] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 601.516486][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516487][T13584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.516489][T13584] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 601.516491][T13584] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 601.516493][T13584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.516495][T13584] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 601.516497][T13584] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 601.516499][T13584] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 601.516500][T13584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.516502][T13584] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 601.516505][T13584] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 601.516507][T13584] ____sys_sendmsg (net/socket.c:2713) [ 601.516508][T13584] ? copy_msghdr_from_user (net/socket.c:2650) [ 601.516510][T13584] ? sock_write_iter (net/socket.c:1269) [ 601.516511][T13584] ? move_addr_to_kernel (net/socket.c:258) [ 601.516513][T13584] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 601.516516][T13584] ___sys_sendmsg (net/socket.c:2767) [ 601.516517][T13584] ? copy_msghdr_from_user (net/socket.c:2619) [ 601.516522][T13584] __sys_sendmsg (net/socket.c:2799) [ 601.516524][T13584] ? __sys_sendmsg_sock (net/socket.c:2780) [ 601.516527][T13584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.516528][T13584] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 601.516530][T13584] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 601.516532][T13584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.516533][T13584] RIP: 0033:0x7fc924f9254e [ 601.516535][T13584] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 601.516537][T13584] RSP: 002b:00007ffdb372e820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 601.516540][T13584] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc924f9254e [ 601.516542][T13584] RDX: 0000000000000000 RSI: 00007ffdb372e8d0 RDI: 0000000000000005 [ 601.516542][T13584] RBP: 00007ffdb372e830 R08: 0000000000000000 R09: 0000000000000000 [ 601.516543][T13584] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b92 [ 601.516544][T13584] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb372ef90 | [ 602.582947][T13639] softirqs last disabled at (0): 0x0 | [ 602.582949][T13639] Preemption disabled at: | [ 602.582950][T13639] vprintk_emit (kernel/printk/printk.c:2471) | [ 602.582959][T13639] Tainted: [W]=WARN [ 602.582961][T13639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 602.582963][T13639] Call Trace: [ 602.582964][T13639] [ 602.582966][T13639] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 602.582971][T13639] ? vprintk_emit (kernel/printk/printk.c:2471) [ 602.582973][T13639] __might_resched.cold (kernel/sched/core.c:9234) [ 602.582977][T13639] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 602.582979][T13639] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 602.582982][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.582985][T13639] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 602.582988][T13639] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.582991][T13639] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 602.582996][T13639] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 602.582998][T13639] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 602.583001][T13639] put_chars (drivers/char/virtio_console.c:1176) [ 602.583002][T13639] ? __send_to_port (drivers/char/virtio_console.c:654) [ 602.583004][T13639] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 602.583007][T13639] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 602.583012][T13639] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 602.583013][T13639] ? vsnprintf (lib/vsprintf.c:2900) [ 602.583017][T13639] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.583018][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583019][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583021][T13639] console_emit_next_record (kernel/printk/printk.c:3183) [ 602.583024][T13639] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 602.583026][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583027][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583028][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583029][T13639] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.583032][T13639] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 602.583033][T13639] console_flush_one_record (kernel/printk/printk.c:3268) [ 602.583036][T13639] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 602.583038][T13639] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 602.583040][T13639] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.583042][T13639] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 602.583044][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583044][T13639] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.583046][T13639] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 602.583048][T13639] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 602.583049][T13639] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 602.583051][T13639] ? vprintk_emit (kernel/printk/printk.c:2478) [ 602.583053][T13639] vprintk_emit (kernel/printk/printk.c:2479) [ 602.583054][T13639] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 602.583056][T13639] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.583057][T13639] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 602.583061][T13639] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.583062][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583064][T13639] _printk (kernel/printk/printk.c:2504) [ 602.583067][T13639] ? snapshot_read.cold (user.c:?) [ 602.583069][T13639] ? br_multicast_flood (??:?) [ 602.583072][T13639] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 602.583075][T13639] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 602.583076][T13639] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 602.583078][T13639] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 602.583081][T13639] br_init_port (net/bridge/br_stp_if.c:39) [ 602.583083][T13639] new_nbp (net/bridge/br_if.c:449) [ 602.583085][T13639] br_add_if (net/bridge/br_if.c:592) [ 602.583087][T13639] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 602.583091][T13639] do_set_master (net/core/rtnetlink.c:3071) [ 602.583093][T13639] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 602.583094][T13639] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 602.583096][T13639] ? __dev_get_by_name (net/core/dev.c:905) [ 602.583097][T13639] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 602.583101][T13639] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 602.583104][T13639] rtnl_newlink (net/core/rtnetlink.c:4215) [ 602.583106][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583107][T13639] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 602.583108][T13639] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.583110][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583111][T13639] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 602.583114][T13639] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 602.583115][T13639] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 602.583118][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583119][T13639] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.583120][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583121][T13639] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 602.583123][T13639] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 602.583124][T13639] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 602.583126][T13639] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 602.583127][T13639] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 602.583131][T13639] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 602.583134][T13639] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 602.583135][T13639] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.583137][T13639] ? netlink_ack (./include/linux/skbuff.h:2718) [ 602.583138][T13639] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 602.583142][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583143][T13639] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.583145][T13639] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 602.583147][T13639] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 602.583149][T13639] ? next_uptodate_folio (mm/filemap.c:3747) [ 602.583152][T13639] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 602.583154][T13639] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 602.583156][T13639] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.583158][T13639] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 602.583161][T13639] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 602.583167][T13639] ____sys_sendmsg (net/socket.c:2713) [ 602.583168][T13639] ? copy_msghdr_from_user (net/socket.c:2650) [ 602.583170][T13639] ? sock_write_iter (net/socket.c:1269) [ 602.583171][T13639] ? move_addr_to_kernel (net/socket.c:258) [ 602.583174][T13639] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 602.583176][T13639] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.583178][T13639] ___sys_sendmsg (net/socket.c:2767) [ 602.583180][T13639] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 602.583181][T13639] ? copy_msghdr_from_user (net/socket.c:2619) [ 602.583183][T13639] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 602.583187][T13639] __sys_sendmsg (net/socket.c:2799) [ 602.583189][T13639] ? __sys_sendmsg_sock (net/socket.c:2780) [ 602.583192][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583193][T13639] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.583195][T13639] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 602.583197][T13639] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 602.583199][T13639] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 602.583202][T13639] RIP: 0033:0x7f7f6619a54e [ 602.583203][T13639] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 602.583205][T13639] RSP: 002b:00007ffee19fc000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 602.583209][T13639] RAX: ffffffffffffffda RBX: 00007ffee19fc7c8 RCX: 00007f7f6619a54e [ 602.583211][T13639] RDX: 0000000000000000 RSI: 00007ffee19fc0b0 RDI: 0000000000000005 [ 602.583211][T13639] RBP: 00007ffee19fc010 R08: 0000000000000000 R09: 0000000000000000 [ 602.583212][T13639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b93 [ 602.583213][T13639] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee19fc780 | [ 608.567246][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 608.567248][ T12] Preemption disabled at: | [ 608.567249][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 608.567260][ T12] Tainted: [W]=WARN [ 608.567261][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 608.567263][ T12] Workqueue: netns cleanup_net [ 608.567268][ T12] Call Trace: [ 608.567270][ T12] [ 608.567271][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 608.567277][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 608.567278][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 608.567282][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 608.567284][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 608.567287][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567290][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 608.567293][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.567296][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 608.567301][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 608.567302][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 608.567305][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 608.567307][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 608.567308][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 608.567311][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 608.567316][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 608.567317][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 608.567319][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.567321][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567322][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567324][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 608.567327][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 608.567329][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567330][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567331][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567332][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.567334][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 608.567336][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 608.567339][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 608.567341][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 608.567343][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.567345][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 608.567346][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567347][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 608.567349][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 608.567350][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 608.567352][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 608.567354][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 608.567355][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 608.567357][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 608.567358][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 608.567360][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 608.567362][ T12] ? kthread (kernel/kthread.c:436) [ 608.567364][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 608.567367][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 608.567370][ T12] _printk (kernel/printk/printk.c:2504) [ 608.567373][ T12] ? snapshot_read.cold (user.c:?) [ 608.567375][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 608.567378][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 608.567380][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 608.567383][ T12] ? netdev_notice (net/core/dev.c:13194) [ 608.567385][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567386][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 608.567387][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 608.567390][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 608.567392][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 608.567393][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 608.567396][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 608.567398][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 608.567402][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 608.567404][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 608.567406][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 608.567408][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 608.567410][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 608.567413][ T12] cleanup_net (net/core/net_namespace.c:706) [ 608.567415][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 608.567417][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 608.567419][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.567421][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.567423][ T12] process_one_work (kernel/workqueue.c:3387) [ 608.567426][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 608.567428][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.567431][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 608.567434][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 608.567435][ T12] kthread (kernel/kthread.c:436) [ 608.567437][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 608.567439][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 608.567440][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 608.567442][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 608.567444][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 608.567447][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 608.567449][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 609.713465][T13773] softirqs last disabled at (0): 0x0 | [ 609.713467][T13773] Preemption disabled at: | [ 609.713468][T13773] vprintk_emit (kernel/printk/printk.c:2471) | [ 609.713477][T13773] Tainted: [W]=WARN [ 609.713479][T13773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 609.713480][T13773] Call Trace: [ 609.713482][T13773] [ 609.713483][T13773] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 609.713489][T13773] ? vprintk_emit (kernel/printk/printk.c:2471) [ 609.713490][T13773] __might_resched.cold (kernel/sched/core.c:9234) [ 609.713494][T13773] ? memchr (lib/string.c:795) [ 609.713497][T13773] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 609.713501][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713503][T13773] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 609.713506][T13773] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.713509][T13773] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 609.713514][T13773] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 609.713515][T13773] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 609.713518][T13773] put_chars (drivers/char/virtio_console.c:1176) [ 609.713519][T13773] ? __send_to_port (drivers/char/virtio_console.c:654) [ 609.713521][T13773] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 609.713524][T13773] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 609.713528][T13773] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 609.713530][T13773] ? vsnprintf (lib/vsprintf.c:2900) [ 609.713532][T13773] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.713533][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713535][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713536][T13773] console_emit_next_record (kernel/printk/printk.c:3183) [ 609.713539][T13773] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 609.713541][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713542][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713543][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713544][T13773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.713547][T13773] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 609.713549][T13773] console_flush_one_record (kernel/printk/printk.c:3268) [ 609.713551][T13773] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 609.713554][T13773] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 609.713556][T13773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.713557][T13773] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 609.713559][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713560][T13773] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.713562][T13773] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 609.713563][T13773] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 609.713565][T13773] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 609.713567][T13773] ? vprintk_emit (kernel/printk/printk.c:2478) [ 609.713568][T13773] vprintk_emit (kernel/printk/printk.c:2479) [ 609.713570][T13773] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 609.713571][T13773] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.713573][T13773] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 609.713576][T13773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.713577][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713579][T13773] _printk (kernel/printk/printk.c:2504) [ 609.713582][T13773] ? snapshot_read.cold (user.c:?) [ 609.713584][T13773] ? br_multicast_flood (??:?) [ 609.713587][T13773] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 609.713590][T13773] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 609.713591][T13773] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 609.713592][T13773] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 609.713595][T13773] br_init_port (net/bridge/br_stp_if.c:39) [ 609.713597][T13773] new_nbp (net/bridge/br_if.c:449) [ 609.713599][T13773] br_add_if (net/bridge/br_if.c:592) [ 609.713601][T13773] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 609.713605][T13773] do_set_master (net/core/rtnetlink.c:3071) [ 609.713607][T13773] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 609.713609][T13773] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 609.713610][T13773] ? __dev_get_by_name (net/core/dev.c:905) [ 609.713612][T13773] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 609.713616][T13773] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 609.713619][T13773] rtnl_newlink (net/core/rtnetlink.c:4215) [ 609.713621][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713622][T13773] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 609.713624][T13773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.713625][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713627][T13773] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 609.713629][T13773] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 609.713631][T13773] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 609.713633][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713634][T13773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.713636][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713637][T13773] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 609.713638][T13773] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 609.713640][T13773] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 609.713641][T13773] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 609.713643][T13773] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 609.713647][T13773] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 609.713649][T13773] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 609.713651][T13773] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.713652][T13773] ? netlink_ack (./include/linux/skbuff.h:2718) [ 609.713654][T13773] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 609.713657][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713658][T13773] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.713660][T13773] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 609.713662][T13773] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 609.713664][T13773] ? next_uptodate_folio (mm/filemap.c:3747) [ 609.713667][T13773] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 609.713669][T13773] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 609.713671][T13773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.713673][T13773] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 609.713676][T13773] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 609.713679][T13773] ____sys_sendmsg (net/socket.c:2713) [ 609.713681][T13773] ? copy_msghdr_from_user (net/socket.c:2650) [ 609.713683][T13773] ? sock_write_iter (net/socket.c:1269) [ 609.713684][T13773] ? move_addr_to_kernel (net/socket.c:258) [ 609.713686][T13773] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 609.713689][T13773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.713691][T13773] ___sys_sendmsg (net/socket.c:2767) [ 609.713692][T13773] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 609.713694][T13773] ? copy_msghdr_from_user (net/socket.c:2619) [ 609.713696][T13773] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 609.713700][T13773] __sys_sendmsg (net/socket.c:2799) [ 609.713702][T13773] ? __sys_sendmsg_sock (net/socket.c:2780) [ 609.713705][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713706][T13773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.713708][T13773] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 609.713710][T13773] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 609.713712][T13773] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 609.713714][T13773] RIP: 0033:0x7fc5b19f954e [ 609.713716][T13773] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 609.713718][T13773] RSP: 002b:00007ffee459d330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 609.713722][T13773] RAX: ffffffffffffffda RBX: 00007ffee459daf8 RCX: 00007fc5b19f954e [ 609.713723][T13773] RDX: 0000000000000000 RSI: 00007ffee459d3e0 RDI: 0000000000000005 [ 609.713724][T13773] RBP: 00007ffee459d340 R08: 0000000000000000 R09: 0000000000000000 [ 609.713725][T13773] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b9b [ 609.713726][T13773] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee459dab0 | [ 610.999344][T13842] softirqs last disabled at (0): 0x0 | [ 610.999345][T13842] Preemption disabled at: | [ 610.999346][T13842] vprintk_emit (kernel/printk/printk.c:2471) | [ 610.999356][T13842] Tainted: [W]=WARN [ 610.999357][T13842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 610.999359][T13842] Call Trace: [ 610.999360][T13842] [ 610.999362][T13842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 610.999367][T13842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 610.999369][T13842] __might_resched.cold (kernel/sched/core.c:9234) [ 610.999373][T13842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 610.999376][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999379][T13842] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 610.999382][T13842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 610.999384][T13842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 610.999389][T13842] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 610.999391][T13842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 610.999394][T13842] put_chars (drivers/char/virtio_console.c:1176) [ 610.999395][T13842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 610.999396][T13842] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 610.999399][T13842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 610.999401][T13842] ? pointer (lib/vsprintf.c:2577) [ 610.999404][T13842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 610.999409][T13842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 610.999410][T13842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 610.999412][T13842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.999415][T13842] console_emit_next_record (kernel/printk/printk.c:3183) [ 610.999418][T13842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 610.999420][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999421][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999422][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999423][T13842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.999425][T13842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 610.999426][T13842] console_flush_one_record (kernel/printk/printk.c:3268) [ 610.999429][T13842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 610.999432][T13842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 610.999434][T13842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.999435][T13842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 610.999437][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999438][T13842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.999439][T13842] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 610.999441][T13842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 610.999442][T13842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 610.999444][T13842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 610.999446][T13842] vprintk_emit (kernel/printk/printk.c:2479) [ 610.999448][T13842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 610.999449][T13842] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 610.999451][T13842] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 610.999454][T13842] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 610.999457][T13842] _printk (kernel/printk/printk.c:2504) [ 610.999460][T13842] ? snapshot_read.cold (user.c:?) [ 610.999462][T13842] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 610.999464][T13842] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 610.999467][T13842] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 610.999469][T13842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 610.999472][T13842] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 610.999474][T13842] ? netdev_notice (net/core/dev.c:13194) [ 610.999477][T13842] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 610.999478][T13842] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 610.999481][T13842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 610.999483][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999484][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999485][T13842] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 610.999486][T13842] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 610.999488][T13842] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 610.999489][T13842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 610.999490][T13842] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 610.999492][T13842] ? register_netdev (net/core/dev.c:11618) [ 610.999493][T13842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.999495][T13842] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 610.999498][T13842] ? __kernel_text_address (kernel/extable.c:79) [ 610.999501][T13842] ? write_profile (profile.c:?) [ 610.999503][T13842] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 610.999507][T13842] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 610.999509][T13842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 610.999511][T13842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 610.999512][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999513][T13842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 610.999516][T13842] ? kasan_save_stack (mm/kasan/common.c:58) [ 610.999518][T13842] ? kasan_save_stack (mm/kasan/common.c:57) [ 610.999519][T13842] ? kasan_save_track (mm/kasan/common.c:78) [ 610.999520][T13842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 610.999521][T13842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 610.999522][T13842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 610.999523][T13842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 610.999525][T13842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 610.999528][T13842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 610.999529][T13842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 610.999531][T13842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 610.999533][T13842] ? ____sys_sendmsg (net/socket.c:2713) [ 610.999535][T13842] ? ___sys_sendmsg (net/socket.c:2767) [ 610.999536][T13842] ? __sys_sendmsg (net/socket.c:2799) [ 610.999538][T13842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 610.999540][T13842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 610.999542][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999544][T13842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.999545][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999546][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999547][T13842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 610.999549][T13842] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 610.999550][T13842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 610.999551][T13842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 610.999553][T13842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 610.999554][T13842] ? nla_get_range_signed (lib/nlattr.c:270) [ 610.999557][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999559][T13842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 610.999561][T13842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 610.999563][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999564][T13842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 610.999565][T13842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.999567][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999568][T13842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 610.999571][T13842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 610.999572][T13842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 610.999573][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999574][T13842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 610.999578][T13842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 610.999580][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999581][T13842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.999583][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999584][T13842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 610.999585][T13842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 610.999587][T13842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 610.999588][T13842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 610.999590][T13842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 610.999592][T13842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 610.999594][T13842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 610.999595][T13842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.999597][T13842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 610.999598][T13842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 610.999602][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999604][T13842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.999607][T13842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 610.999610][T13842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 610.999612][T13842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 610.999614][T13842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 610.999616][T13842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 610.999617][T13842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 610.999619][T13842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.999621][T13842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 610.999624][T13842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 610.999626][T13842] ____sys_sendmsg (net/socket.c:2713) [ 610.999628][T13842] ? copy_msghdr_from_user (net/socket.c:2650) [ 610.999629][T13842] ? sock_write_iter (net/socket.c:1269) [ 610.999631][T13842] ? move_addr_to_kernel (net/socket.c:258) [ 610.999632][T13842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 610.999635][T13842] ___sys_sendmsg (net/socket.c:2767) [ 610.999637][T13842] ? copy_msghdr_from_user (net/socket.c:2619) [ 610.999642][T13842] __sys_sendmsg (net/socket.c:2799) [ 610.999643][T13842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 610.999646][T13842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.999648][T13842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 610.999649][T13842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 610.999651][T13842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 610.999653][T13842] RIP: 0033:0x7fad32d6254e [ 610.999655][T13842] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 610.999657][T13842] RSP: 002b:00007ffc86009590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 610.999660][T13842] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fad32d6254e [ 610.999662][T13842] RDX: 0000000000000000 RSI: 00007ffc86009640 RDI: 0000000000000005 [ 610.999663][T13842] RBP: 00007ffc860095a0 R08: 0000000000000000 R09: 0000000000000000 [ 610.999663][T13842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b9c [ 610.999664][T13842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc86009d00 | [ 612.042703][T13892] softirqs last disabled at (0): 0x0 | [ 612.042705][T13892] Preemption disabled at: | [ 612.042706][T13892] vprintk_emit (kernel/printk/printk.c:2471) | [ 612.042716][T13892] Tainted: [W]=WARN [ 612.042717][T13892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 612.042718][T13892] Call Trace: [ 612.042720][T13892] [ 612.042721][T13892] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 612.042727][T13892] ? vprintk_emit (kernel/printk/printk.c:2471) [ 612.042728][T13892] __might_resched.cold (kernel/sched/core.c:9234) [ 612.042732][T13892] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 612.042734][T13892] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 612.042737][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042740][T13892] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 612.042743][T13892] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.042746][T13892] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 612.042751][T13892] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 612.042753][T13892] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 612.042755][T13892] put_chars (drivers/char/virtio_console.c:1176) [ 612.042757][T13892] ? __send_to_port (drivers/char/virtio_console.c:654) [ 612.042759][T13892] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 612.042761][T13892] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 612.042766][T13892] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 612.042768][T13892] ? vsnprintf (lib/vsprintf.c:2900) [ 612.042771][T13892] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.042773][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042774][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042776][T13892] console_emit_next_record (kernel/printk/printk.c:3183) [ 612.042778][T13892] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 612.042780][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042781][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042782][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042783][T13892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.042786][T13892] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 612.042788][T13892] console_flush_one_record (kernel/printk/printk.c:3268) [ 612.042790][T13892] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 612.042793][T13892] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 612.042795][T13892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.042796][T13892] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 612.042798][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042799][T13892] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.042800][T13892] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 612.042802][T13892] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 612.042804][T13892] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 612.042806][T13892] ? vprintk_emit (kernel/printk/printk.c:2478) [ 612.042807][T13892] vprintk_emit (kernel/printk/printk.c:2479) [ 612.042809][T13892] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 612.042810][T13892] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.042812][T13892] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 612.042815][T13892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.042816][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042818][T13892] _printk (kernel/printk/printk.c:2504) [ 612.042821][T13892] ? snapshot_read.cold (user.c:?) [ 612.042823][T13892] ? br_multicast_flood (??:?) [ 612.042826][T13892] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 612.042829][T13892] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 612.042830][T13892] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 612.042832][T13892] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 612.042834][T13892] br_init_port (net/bridge/br_stp_if.c:39) [ 612.042836][T13892] new_nbp (net/bridge/br_if.c:449) [ 612.042838][T13892] br_add_if (net/bridge/br_if.c:592) [ 612.042840][T13892] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 612.042844][T13892] do_set_master (net/core/rtnetlink.c:3071) [ 612.042846][T13892] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 612.042848][T13892] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 612.042849][T13892] ? __dev_get_by_name (net/core/dev.c:905) [ 612.042851][T13892] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 612.042855][T13892] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 612.042858][T13892] rtnl_newlink (net/core/rtnetlink.c:4215) [ 612.042860][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042861][T13892] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 612.042862][T13892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.042864][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042865][T13892] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 612.042868][T13892] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 612.042869][T13892] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 612.042872][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042873][T13892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.042875][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042876][T13892] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 612.042877][T13892] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 612.042879][T13892] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 612.042880][T13892] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 612.042882][T13892] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 612.042886][T13892] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 612.042888][T13892] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 612.042890][T13892] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.042891][T13892] ? netlink_ack (./include/linux/skbuff.h:2718) [ 612.042893][T13892] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 612.042896][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042897][T13892] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.042899][T13892] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 612.042901][T13892] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 612.042903][T13892] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 612.042906][T13892] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 612.042908][T13892] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 612.042911][T13892] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 612.042913][T13892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.042914][T13892] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 612.042918][T13892] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 612.042921][T13892] ____sys_sendmsg (net/socket.c:2713) [ 612.042922][T13892] ? copy_msghdr_from_user (net/socket.c:2650) [ 612.042924][T13892] ? sock_write_iter (net/socket.c:1269) [ 612.042926][T13892] ? move_addr_to_kernel (net/socket.c:258) [ 612.042928][T13892] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 612.042930][T13892] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.042932][T13892] ___sys_sendmsg (net/socket.c:2767) [ 612.042934][T13892] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 612.042936][T13892] ? copy_msghdr_from_user (net/socket.c:2619) [ 612.042938][T13892] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 612.042942][T13892] __sys_sendmsg (net/socket.c:2799) [ 612.042944][T13892] ? __sys_sendmsg_sock (net/socket.c:2780) [ 612.042947][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042948][T13892] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.042950][T13892] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 612.042952][T13892] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 612.042954][T13892] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 612.042956][T13892] RIP: 0033:0x7fc96162754e [ 612.042958][T13892] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 612.042960][T13892] RSP: 002b:00007ffca5ecbe50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 612.042964][T13892] RAX: ffffffffffffffda RBX: 00007ffca5ecc618 RCX: 00007fc96162754e [ 612.042965][T13892] RDX: 0000000000000000 RSI: 00007ffca5ecbf00 RDI: 0000000000000005 [ 612.042966][T13892] RBP: 00007ffca5ecbe60 R08: 0000000000000000 R09: 0000000000000000 [ 612.042967][T13892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b9d [ 612.042968][T13892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca5ecc5d0 | [ 618.018772][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 618.018774][ T12] Preemption disabled at: | [ 618.018775][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 618.018786][ T12] Tainted: [W]=WARN [ 618.018787][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 618.018789][ T12] Workqueue: netns cleanup_net [ 618.018794][ T12] Call Trace: [ 618.018796][ T12] [ 618.018797][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 618.018803][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 618.018805][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 618.018808][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 618.018810][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 618.018814][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018816][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 618.018819][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 618.018822][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 618.018827][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 618.018829][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 618.018831][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 618.018833][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 618.018835][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 618.018837][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 618.018842][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 618.018844][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 618.018846][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 618.018848][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018849][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018851][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 618.018854][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 618.018856][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018857][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018858][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018859][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 618.018861][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 618.018863][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 618.018866][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 618.018868][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 618.018870][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 618.018872][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 618.018874][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018875][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 618.018876][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 618.018878][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 618.018879][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 618.018881][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 618.018883][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 618.018884][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 618.018885][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 618.018887][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 618.018890][ T12] ? kthread (kernel/kthread.c:436) [ 618.018892][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 618.018895][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 618.018898][ T12] _printk (kernel/printk/printk.c:2504) [ 618.018901][ T12] ? snapshot_read.cold (user.c:?) [ 618.018903][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 618.018906][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 618.018908][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 618.018911][ T12] ? netdev_notice (net/core/dev.c:13194) [ 618.018913][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018914][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 618.018916][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 618.018919][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 618.018920][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 618.018922][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 618.018924][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 618.018927][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 618.018931][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 618.018933][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 618.018936][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 618.018938][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 618.018940][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 618.018943][ T12] cleanup_net (net/core/net_namespace.c:706) [ 618.018944][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 618.018946][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 618.018948][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.018950][ T12] process_one_work (kernel/workqueue.c:3387) [ 618.018953][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 618.018955][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 618.018958][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 618.018961][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 618.018963][ T12] kthread (kernel/kthread.c:436) [ 618.018964][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 618.018966][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 618.018968][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 618.018970][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 618.018972][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 618.018974][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 618.018976][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 619.199905][T14026] softirqs last disabled at (0): 0x0 | [ 619.199907][T14026] Preemption disabled at: | [ 619.199908][T14026] vprintk_emit (kernel/printk/printk.c:2471) | [ 619.199918][T14026] Tainted: [W]=WARN [ 619.199919][T14026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 619.199921][T14026] Call Trace: [ 619.199922][T14026] [ 619.199924][T14026] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 619.199929][T14026] ? vprintk_emit (kernel/printk/printk.c:2471) [ 619.199931][T14026] __might_resched.cold (kernel/sched/core.c:9234) [ 619.199934][T14026] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 619.199937][T14026] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 619.199940][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.199942][T14026] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 619.199945][T14026] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.199948][T14026] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 619.199953][T14026] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 619.199955][T14026] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 619.199957][T14026] put_chars (drivers/char/virtio_console.c:1176) [ 619.199959][T14026] ? __send_to_port (drivers/char/virtio_console.c:654) [ 619.199961][T14026] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 619.199963][T14026] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 619.199968][T14026] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 619.199970][T14026] ? vsnprintf (lib/vsprintf.c:2900) [ 619.199973][T14026] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.199975][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.199976][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.199977][T14026] console_emit_next_record (kernel/printk/printk.c:3183) [ 619.199980][T14026] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 619.199982][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.199983][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.199984][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.199985][T14026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.199988][T14026] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 619.199989][T14026] console_flush_one_record (kernel/printk/printk.c:3268) [ 619.199992][T14026] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 619.199994][T14026] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 619.199996][T14026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.200002][T14026] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 619.200004][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200005][T14026] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.200007][T14026] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 619.200008][T14026] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 619.200010][T14026] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 619.200012][T14026] ? vprintk_emit (kernel/printk/printk.c:2478) [ 619.200014][T14026] vprintk_emit (kernel/printk/printk.c:2479) [ 619.200015][T14026] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 619.200016][T14026] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.200018][T14026] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 619.200021][T14026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.200023][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200024][T14026] _printk (kernel/printk/printk.c:2504) [ 619.200028][T14026] ? snapshot_read.cold (user.c:?) [ 619.200030][T14026] ? br_multicast_flood (??:?) [ 619.200033][T14026] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 619.200035][T14026] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 619.200036][T14026] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 619.200038][T14026] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 619.200041][T14026] br_init_port (net/bridge/br_stp_if.c:39) [ 619.200043][T14026] new_nbp (net/bridge/br_if.c:449) [ 619.200045][T14026] br_add_if (net/bridge/br_if.c:592) [ 619.200047][T14026] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 619.200051][T14026] do_set_master (net/core/rtnetlink.c:3071) [ 619.200053][T14026] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 619.200055][T14026] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 619.200056][T14026] ? __dev_get_by_name (net/core/dev.c:905) [ 619.200058][T14026] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 619.200062][T14026] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 619.200065][T14026] rtnl_newlink (net/core/rtnetlink.c:4215) [ 619.200067][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200068][T14026] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 619.200069][T14026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.200071][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200072][T14026] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 619.200075][T14026] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 619.200076][T14026] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 619.200079][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200080][T14026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.200082][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200083][T14026] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 619.200084][T14026] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 619.200086][T14026] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 619.200087][T14026] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 619.200089][T14026] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 619.200092][T14026] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 619.200095][T14026] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 619.200096][T14026] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.200098][T14026] ? netlink_ack (./include/linux/skbuff.h:2718) [ 619.200100][T14026] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 619.200103][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200104][T14026] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.200106][T14026] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 619.200108][T14026] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 619.200110][T14026] ? next_uptodate_folio (mm/filemap.c:3747) [ 619.200113][T14026] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 619.200115][T14026] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 619.200117][T14026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.200118][T14026] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 619.200122][T14026] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 619.200125][T14026] ____sys_sendmsg (net/socket.c:2713) [ 619.200127][T14026] ? copy_msghdr_from_user (net/socket.c:2650) [ 619.200128][T14026] ? sock_write_iter (net/socket.c:1269) [ 619.200130][T14026] ? move_addr_to_kernel (net/socket.c:258) [ 619.200132][T14026] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 619.200134][T14026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.200136][T14026] ___sys_sendmsg (net/socket.c:2767) [ 619.200138][T14026] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 619.200140][T14026] ? copy_msghdr_from_user (net/socket.c:2619) [ 619.200141][T14026] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 619.200146][T14026] __sys_sendmsg (net/socket.c:2799) [ 619.200148][T14026] ? __sys_sendmsg_sock (net/socket.c:2780) [ 619.200150][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200152][T14026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.200153][T14026] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 619.200155][T14026] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 619.200157][T14026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 619.200159][T14026] RIP: 0033:0x7f3c9453b54e [ 619.200161][T14026] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 619.200163][T14026] RSP: 002b:00007ffd646f7fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 619.200169][T14026] RAX: ffffffffffffffda RBX: 00007ffd646f8768 RCX: 00007f3c9453b54e [ 619.200170][T14026] RDX: 0000000000000000 RSI: 00007ffd646f8050 RDI: 0000000000000005 [ 619.200171][T14026] RBP: 00007ffd646f7fb0 R08: 0000000000000000 R09: 0000000000000000 [ 619.200172][T14026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ba4 [ 619.200173][T14026] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd646f8720 | [ 620.503628][T14095] softirqs last disabled at (0): 0x0 | [ 620.503629][T14095] Preemption disabled at: | [ 620.503631][T14095] vprintk_emit (kernel/printk/printk.c:2471) | [ 620.503641][T14095] Tainted: [W]=WARN [ 620.503642][T14095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 620.503644][T14095] Call Trace: [ 620.503645][T14095] [ 620.503646][T14095] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 620.503652][T14095] ? vprintk_emit (kernel/printk/printk.c:2471) [ 620.503653][T14095] __might_resched.cold (kernel/sched/core.c:9234) [ 620.503657][T14095] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 620.503661][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503663][T14095] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 620.503666][T14095] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.503669][T14095] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 620.503674][T14095] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 620.503676][T14095] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 620.503679][T14095] put_chars (drivers/char/virtio_console.c:1176) [ 620.503680][T14095] ? __send_to_port (drivers/char/virtio_console.c:654) [ 620.503682][T14095] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 620.503684][T14095] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 620.503686][T14095] ? pointer (lib/vsprintf.c:2577) [ 620.503690][T14095] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 620.503694][T14095] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 620.503696][T14095] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.503698][T14095] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.503700][T14095] console_emit_next_record (kernel/printk/printk.c:3183) [ 620.503703][T14095] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 620.503705][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503707][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503708][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503709][T14095] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.503711][T14095] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 620.503713][T14095] console_flush_one_record (kernel/printk/printk.c:3268) [ 620.503715][T14095] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 620.503718][T14095] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 620.503720][T14095] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.503722][T14095] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 620.503723][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503724][T14095] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.503726][T14095] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 620.503728][T14095] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 620.503729][T14095] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 620.503731][T14095] ? vprintk_emit (kernel/printk/printk.c:2478) [ 620.503733][T14095] vprintk_emit (kernel/printk/printk.c:2479) [ 620.503734][T14095] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 620.503736][T14095] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 620.503738][T14095] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 620.503741][T14095] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 620.503744][T14095] _printk (kernel/printk/printk.c:2504) [ 620.503747][T14095] ? snapshot_read.cold (user.c:?) [ 620.503749][T14095] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 620.503751][T14095] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 620.503754][T14095] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 620.503756][T14095] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.503760][T14095] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 620.503762][T14095] ? netdev_notice (net/core/dev.c:13194) [ 620.503764][T14095] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 620.503766][T14095] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 620.503768][T14095] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.503770][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503771][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503772][T14095] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 620.503773][T14095] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 620.503775][T14095] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 620.503776][T14095] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.503778][T14095] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 620.503780][T14095] ? register_netdev (net/core/dev.c:11618) [ 620.503781][T14095] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.503783][T14095] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 620.503786][T14095] ? __kernel_text_address (kernel/extable.c:79) [ 620.503788][T14095] ? write_profile (profile.c:?) [ 620.503791][T14095] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 620.503794][T14095] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.503796][T14095] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 620.503798][T14095] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 620.503799][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503800][T14095] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 620.503804][T14095] ? kasan_save_stack (mm/kasan/common.c:58) [ 620.503806][T14095] ? kasan_save_stack (mm/kasan/common.c:57) [ 620.503807][T14095] ? kasan_save_track (mm/kasan/common.c:78) [ 620.503808][T14095] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 620.503809][T14095] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 620.503810][T14095] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 620.503811][T14095] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 620.503813][T14095] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 620.503816][T14095] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 620.503817][T14095] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 620.503819][T14095] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 620.503822][T14095] ? ____sys_sendmsg (net/socket.c:2713) [ 620.503823][T14095] ? ___sys_sendmsg (net/socket.c:2767) [ 620.503825][T14095] ? __sys_sendmsg (net/socket.c:2799) [ 620.503826][T14095] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 620.503829][T14095] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.503831][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503833][T14095] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.503834][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503835][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503836][T14095] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 620.503838][T14095] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 620.503839][T14095] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 620.503840][T14095] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 620.503842][T14095] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 620.503843][T14095] ? nla_get_range_signed (lib/nlattr.c:270) [ 620.503847][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503848][T14095] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 620.503850][T14095] rtnl_newlink (net/core/rtnetlink.c:4215) [ 620.503852][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503853][T14095] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 620.503855][T14095] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.503856][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503858][T14095] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 620.503860][T14095] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 620.503861][T14095] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 620.503863][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503864][T14095] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 620.503867][T14095] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 620.503870][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503871][T14095] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.503872][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503874][T14095] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 620.503875][T14095] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 620.503877][T14095] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 620.503878][T14095] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 620.503880][T14095] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 620.503882][T14095] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 620.503884][T14095] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 620.503885][T14095] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.503887][T14095] ? netlink_ack (./include/linux/skbuff.h:2718) [ 620.503889][T14095] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 620.503892][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503893][T14095] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.503895][T14095] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 620.503897][T14095] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 620.503899][T14095] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.503901][T14095] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 620.503904][T14095] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 620.503905][T14095] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 620.503907][T14095] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.503909][T14095] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 620.503912][T14095] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 620.503914][T14095] ____sys_sendmsg (net/socket.c:2713) [ 620.503916][T14095] ? copy_msghdr_from_user (net/socket.c:2650) [ 620.503917][T14095] ? sock_write_iter (net/socket.c:1269) [ 620.503919][T14095] ? move_addr_to_kernel (net/socket.c:258) [ 620.503920][T14095] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 620.503923][T14095] ___sys_sendmsg (net/socket.c:2767) [ 620.503925][T14095] ? copy_msghdr_from_user (net/socket.c:2619) [ 620.503930][T14095] __sys_sendmsg (net/socket.c:2799) [ 620.503932][T14095] ? __sys_sendmsg_sock (net/socket.c:2780) [ 620.503935][T14095] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.503936][T14095] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 620.503938][T14095] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 620.503940][T14095] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.503941][T14095] RIP: 0033:0x7f779ee4c54e [ 620.503943][T14095] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 620.503945][T14095] RSP: 002b:00007fff043215b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 620.503949][T14095] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f779ee4c54e [ 620.503950][T14095] RDX: 0000000000000000 RSI: 00007fff04321660 RDI: 0000000000000005 [ 620.503951][T14095] RBP: 00007fff043215c0 R08: 0000000000000000 R09: 0000000000000000 [ 620.503952][T14095] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ba5 [ 620.503953][T14095] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff04321d20 | [ 621.593608][T14152] softirqs last disabled at (0): 0x0 | [ 621.593609][T14152] Preemption disabled at: | [ 621.593610][T14152] vprintk_emit (kernel/printk/printk.c:2471) | [ 621.593621][T14152] Tainted: [W]=WARN [ 621.593622][T14152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 621.593624][T14152] Call Trace: [ 621.593625][T14152] [ 621.593627][T14152] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 621.593633][T14152] ? vprintk_emit (kernel/printk/printk.c:2471) [ 621.593634][T14152] __might_resched.cold (kernel/sched/core.c:9234) [ 621.593638][T14152] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 621.593640][T14152] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 621.593644][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593647][T14152] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 621.593649][T14152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.593653][T14152] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.593658][T14152] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 621.593660][T14152] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.593663][T14152] put_chars (drivers/char/virtio_console.c:1176) [ 621.593665][T14152] ? __send_to_port (drivers/char/virtio_console.c:654) [ 621.593666][T14152] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 621.593669][T14152] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 621.593674][T14152] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 621.593676][T14152] ? vsnprintf (lib/vsprintf.c:2900) [ 621.593679][T14152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.593681][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593682][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593684][T14152] console_emit_next_record (kernel/printk/printk.c:3183) [ 621.593687][T14152] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 621.593689][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593690][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593691][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593692][T14152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.593695][T14152] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 621.593697][T14152] console_flush_one_record (kernel/printk/printk.c:3268) [ 621.593700][T14152] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 621.593703][T14152] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 621.593705][T14152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.593706][T14152] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 621.593708][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593709][T14152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.593711][T14152] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 621.593713][T14152] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 621.593714][T14152] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 621.593717][T14152] ? vprintk_emit (kernel/printk/printk.c:2478) [ 621.593718][T14152] vprintk_emit (kernel/printk/printk.c:2479) [ 621.593720][T14152] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 621.593721][T14152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.593723][T14152] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.593726][T14152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.593728][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593729][T14152] _printk (kernel/printk/printk.c:2504) [ 621.593733][T14152] ? snapshot_read.cold (user.c:?) [ 621.593735][T14152] ? br_multicast_flood (??:?) [ 621.593738][T14152] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 621.593741][T14152] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 621.593743][T14152] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 621.593744][T14152] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 621.593747][T14152] br_init_port (net/bridge/br_stp_if.c:39) [ 621.593749][T14152] new_nbp (net/bridge/br_if.c:449) [ 621.593752][T14152] br_add_if (net/bridge/br_if.c:592) [ 621.593753][T14152] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 621.593758][T14152] do_set_master (net/core/rtnetlink.c:3071) [ 621.593760][T14152] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 621.593762][T14152] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 621.593763][T14152] ? __dev_get_by_name (net/core/dev.c:905) [ 621.593765][T14152] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 621.593769][T14152] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 621.593772][T14152] rtnl_newlink (net/core/rtnetlink.c:4215) [ 621.593774][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593775][T14152] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.593777][T14152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.593778][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593780][T14152] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 621.593783][T14152] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 621.593784][T14152] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 621.593787][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593789][T14152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.593790][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593792][T14152] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.593793][T14152] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 621.593795][T14152] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.593796][T14152] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.593798][T14152] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 621.593802][T14152] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 621.593805][T14152] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.593806][T14152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.593808][T14152] ? netlink_ack (./include/linux/skbuff.h:2718) [ 621.593810][T14152] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 621.593813][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593814][T14152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.593816][T14152] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 621.593818][T14152] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 621.593821][T14152] ? next_uptodate_folio (mm/filemap.c:3747) [ 621.593824][T14152] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 621.593826][T14152] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 621.593828][T14152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.593830][T14152] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 621.593834][T14152] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 621.593837][T14152] ____sys_sendmsg (net/socket.c:2713) [ 621.593838][T14152] ? copy_msghdr_from_user (net/socket.c:2650) [ 621.593840][T14152] ? sock_write_iter (net/socket.c:1269) [ 621.593842][T14152] ? move_addr_to_kernel (net/socket.c:258) [ 621.593844][T14152] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 621.593847][T14152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.593849][T14152] ___sys_sendmsg (net/socket.c:2767) [ 621.593851][T14152] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 621.593852][T14152] ? copy_msghdr_from_user (net/socket.c:2619) [ 621.593854][T14152] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 621.593859][T14152] __sys_sendmsg (net/socket.c:2799) [ 621.593861][T14152] ? __sys_sendmsg_sock (net/socket.c:2780) [ 621.593864][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593865][T14152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.593867][T14152] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 621.593870][T14152] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 621.593872][T14152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 621.593874][T14152] RIP: 0033:0x7f665a21d54e [ 621.593876][T14152] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 621.593878][T14152] RSP: 002b:00007ffed3cc7b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 621.593882][T14152] RAX: ffffffffffffffda RBX: 00007ffed3cc8358 RCX: 00007f665a21d54e [ 621.593884][T14152] RDX: 0000000000000000 RSI: 00007ffed3cc7c40 RDI: 0000000000000005 [ 621.593885][T14152] RBP: 00007ffed3cc7ba0 R08: 0000000000000000 R09: 0000000000000000 [ 621.593885][T14152] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ba6 [ 621.593886][T14152] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed3cc8310 | [ 627.669261][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 627.669263][ T12] Preemption disabled at: | [ 627.669264][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 627.669275][ T12] Tainted: [W]=WARN [ 627.669276][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 627.669278][ T12] Workqueue: netns cleanup_net [ 627.669284][ T12] Call Trace: [ 627.669285][ T12] [ 627.669287][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 627.669292][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 627.669293][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 627.669297][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 627.669299][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 627.669302][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669305][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 627.669308][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 627.669311][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 627.669316][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 627.669317][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 627.669320][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 627.669322][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 627.669323][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 627.669326][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 627.669330][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 627.669332][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 627.669334][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 627.669336][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669337][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669339][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 627.669342][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 627.669344][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669345][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669346][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669347][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 627.669349][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 627.669351][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 627.669354][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 627.669356][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 627.669358][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 627.669360][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 627.669361][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669362][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 627.669364][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 627.669365][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 627.669367][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 627.669369][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 627.669370][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 627.669372][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 627.669373][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 627.669374][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 627.669377][ T12] ? kthread (kernel/kthread.c:436) [ 627.669379][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 627.669382][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 627.669385][ T12] _printk (kernel/printk/printk.c:2504) [ 627.669387][ T12] ? snapshot_read.cold (user.c:?) [ 627.669390][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 627.669393][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 627.669395][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 627.669397][ T12] ? netdev_notice (net/core/dev.c:13194) [ 627.669399][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669400][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 627.669402][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 627.669405][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 627.669406][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 627.669408][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 627.669410][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 627.669412][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 627.669416][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 627.669418][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 627.669420][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 627.669423][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 627.669424][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 627.669427][ T12] cleanup_net (net/core/net_namespace.c:706) [ 627.669429][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 627.669431][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 627.669433][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.669434][ T12] process_one_work (kernel/workqueue.c:3387) [ 627.669437][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 627.669440][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 627.669442][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 627.669445][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 627.669447][ T12] kthread (kernel/kthread.c:436) [ 627.669448][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 627.669450][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 627.669452][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 627.669454][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 627.669456][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 627.669459][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 627.669461][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 628.832510][T14290] softirqs last disabled at (0): 0x0 | [ 628.832511][T14290] Preemption disabled at: | [ 628.832512][T14290] vprintk_emit (kernel/printk/printk.c:2471) | [ 628.832523][T14290] Tainted: [W]=WARN [ 628.832524][T14290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 628.832525][T14290] Call Trace: [ 628.832527][T14290] [ 628.832528][T14290] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 628.832533][T14290] ? vprintk_emit (kernel/printk/printk.c:2471) [ 628.832535][T14290] __might_resched.cold (kernel/sched/core.c:9234) [ 628.832539][T14290] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 628.832541][T14290] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 628.832544][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832547][T14290] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 628.832549][T14290] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.832552][T14290] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.832557][T14290] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 628.832559][T14290] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.832562][T14290] put_chars (drivers/char/virtio_console.c:1176) [ 628.832563][T14290] ? __send_to_port (drivers/char/virtio_console.c:654) [ 628.832565][T14290] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 628.832567][T14290] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 628.832572][T14290] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 628.832574][T14290] ? vsnprintf (lib/vsprintf.c:2900) [ 628.832577][T14290] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.832578][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832579][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832581][T14290] console_emit_next_record (kernel/printk/printk.c:3183) [ 628.832584][T14290] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 628.832586][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832587][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832588][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832589][T14290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.832591][T14290] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 628.832593][T14290] console_flush_one_record (kernel/printk/printk.c:3268) [ 628.832596][T14290] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 628.832598][T14290] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 628.832600][T14290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.832602][T14290] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 628.832604][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832605][T14290] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.832606][T14290] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 628.832608][T14290] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 628.832609][T14290] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 628.832611][T14290] ? vprintk_emit (kernel/printk/printk.c:2478) [ 628.832613][T14290] vprintk_emit (kernel/printk/printk.c:2479) [ 628.832615][T14290] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 628.832616][T14290] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.832617][T14290] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 628.832620][T14290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.832622][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832623][T14290] _printk (kernel/printk/printk.c:2504) [ 628.832626][T14290] ? snapshot_read.cold (user.c:?) [ 628.832628][T14290] ? br_multicast_flood (??:?) [ 628.832631][T14290] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 628.832634][T14290] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 628.832635][T14290] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 628.832636][T14290] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 628.832639][T14290] br_init_port (net/bridge/br_stp_if.c:39) [ 628.832641][T14290] new_nbp (net/bridge/br_if.c:449) [ 628.832643][T14290] br_add_if (net/bridge/br_if.c:592) [ 628.832645][T14290] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 628.832649][T14290] do_set_master (net/core/rtnetlink.c:3071) [ 628.832651][T14290] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 628.832652][T14290] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 628.832654][T14290] ? __dev_get_by_name (net/core/dev.c:905) [ 628.832655][T14290] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 628.832659][T14290] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 628.832662][T14290] rtnl_newlink (net/core/rtnetlink.c:4215) [ 628.832664][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832665][T14290] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 628.832666][T14290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.832668][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832669][T14290] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 628.832672][T14290] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 628.832673][T14290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 628.832676][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832677][T14290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.832678][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832680][T14290] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 628.832681][T14290] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 628.832683][T14290] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 628.832684][T14290] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 628.832686][T14290] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 628.832690][T14290] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 628.832693][T14290] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 628.832694][T14290] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.832695][T14290] ? netlink_ack (./include/linux/skbuff.h:2718) [ 628.832697][T14290] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 628.832700][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832701][T14290] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.832703][T14290] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 628.832705][T14290] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 628.832707][T14290] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 628.832710][T14290] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 628.832713][T14290] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 628.832715][T14290] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 628.832717][T14290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.832718][T14290] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 628.832722][T14290] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 628.832725][T14290] ____sys_sendmsg (net/socket.c:2713) [ 628.832726][T14290] ? copy_msghdr_from_user (net/socket.c:2650) [ 628.832728][T14290] ? sock_write_iter (net/socket.c:1269) [ 628.832729][T14290] ? move_addr_to_kernel (net/socket.c:258) [ 628.832732][T14290] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 628.832734][T14290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.832736][T14290] ___sys_sendmsg (net/socket.c:2767) [ 628.832738][T14290] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 628.832740][T14290] ? copy_msghdr_from_user (net/socket.c:2619) [ 628.832741][T14290] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 628.832746][T14290] __sys_sendmsg (net/socket.c:2799) [ 628.832748][T14290] ? __sys_sendmsg_sock (net/socket.c:2780) [ 628.832750][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832752][T14290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.832753][T14290] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 628.832756][T14290] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 628.832758][T14290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 628.832759][T14290] RIP: 0033:0x7f785c8c154e [ 628.832761][T14290] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 628.832763][T14290] RSP: 002b:00007ffd4cb89250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 628.832767][T14290] RAX: ffffffffffffffda RBX: 00007ffd4cb89a18 RCX: 00007f785c8c154e [ 628.832768][T14290] RDX: 0000000000000000 RSI: 00007ffd4cb89300 RDI: 0000000000000005 [ 628.832769][T14290] RBP: 00007ffd4cb89260 R08: 0000000000000000 R09: 0000000000000000 [ 628.832770][T14290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bae [ 628.832771][T14290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4cb899d0 | [ 630.106099][T14357] softirqs last disabled at (0): 0x0 | [ 630.106101][T14357] Preemption disabled at: | [ 630.106101][T14357] vprintk_emit (kernel/printk/printk.c:2471) | [ 630.106111][T14357] Tainted: [W]=WARN [ 630.106112][T14357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 630.106114][T14357] Call Trace: [ 630.106115][T14357] [ 630.106117][T14357] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 630.106122][T14357] ? vprintk_emit (kernel/printk/printk.c:2471) [ 630.106123][T14357] __might_resched.cold (kernel/sched/core.c:9234) [ 630.106127][T14357] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 630.106130][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106133][T14357] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 630.106136][T14357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.106139][T14357] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 630.106144][T14357] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 630.106146][T14357] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 630.106148][T14357] put_chars (drivers/char/virtio_console.c:1176) [ 630.106150][T14357] ? __send_to_port (drivers/char/virtio_console.c:654) [ 630.106151][T14357] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 630.106153][T14357] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 630.106155][T14357] ? pointer (lib/vsprintf.c:2577) [ 630.106159][T14357] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 630.106166][T14357] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 630.106168][T14357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.106170][T14357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.106172][T14357] console_emit_next_record (kernel/printk/printk.c:3183) [ 630.106175][T14357] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 630.106177][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106178][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106179][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106180][T14357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.106182][T14357] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 630.106184][T14357] console_flush_one_record (kernel/printk/printk.c:3268) [ 630.106186][T14357] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 630.106189][T14357] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 630.106191][T14357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.106193][T14357] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 630.106194][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106195][T14357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.106197][T14357] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 630.106198][T14357] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 630.106200][T14357] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 630.106202][T14357] ? vprintk_emit (kernel/printk/printk.c:2478) [ 630.106203][T14357] vprintk_emit (kernel/printk/printk.c:2479) [ 630.106205][T14357] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 630.106206][T14357] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 630.106208][T14357] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 630.106211][T14357] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 630.106214][T14357] _printk (kernel/printk/printk.c:2504) [ 630.106216][T14357] ? snapshot_read.cold (user.c:?) [ 630.106218][T14357] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 630.106221][T14357] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 630.106224][T14357] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 630.106226][T14357] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.106229][T14357] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 630.106232][T14357] ? netdev_notice (net/core/dev.c:13194) [ 630.106234][T14357] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 630.106235][T14357] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 630.106238][T14357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.106239][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106240][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106242][T14357] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 630.106243][T14357] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 630.106245][T14357] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 630.106246][T14357] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.106247][T14357] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 630.106249][T14357] ? register_netdev (net/core/dev.c:11618) [ 630.106250][T14357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.106252][T14357] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 630.106255][T14357] ? __kernel_text_address (kernel/extable.c:79) [ 630.106257][T14357] ? write_profile (profile.c:?) [ 630.106260][T14357] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 630.106264][T14357] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.106266][T14357] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 630.106267][T14357] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 630.106269][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106270][T14357] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 630.106273][T14357] ? kasan_save_stack (mm/kasan/common.c:58) [ 630.106275][T14357] ? kasan_save_stack (mm/kasan/common.c:57) [ 630.106276][T14357] ? kasan_save_track (mm/kasan/common.c:78) [ 630.106277][T14357] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 630.106278][T14357] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 630.106280][T14357] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 630.106281][T14357] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 630.106282][T14357] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 630.106285][T14357] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 630.106286][T14357] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 630.106288][T14357] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 630.106290][T14357] ? ____sys_sendmsg (net/socket.c:2713) [ 630.106292][T14357] ? ___sys_sendmsg (net/socket.c:2767) [ 630.106293][T14357] ? __sys_sendmsg (net/socket.c:2799) [ 630.106295][T14357] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 630.106297][T14357] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.106300][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106301][T14357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.106302][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106303][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106305][T14357] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 630.106306][T14357] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 630.106307][T14357] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 630.106308][T14357] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 630.106310][T14357] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 630.106311][T14357] ? nla_get_range_signed (lib/nlattr.c:270) [ 630.106315][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106316][T14357] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 630.106318][T14357] rtnl_newlink (net/core/rtnetlink.c:4215) [ 630.106320][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106321][T14357] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 630.106322][T14357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.106324][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106325][T14357] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 630.106327][T14357] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 630.106329][T14357] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 630.106330][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106331][T14357] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 630.106334][T14357] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 630.106337][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106338][T14357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.106339][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106340][T14357] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 630.106342][T14357] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 630.106343][T14357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 630.106345][T14357] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 630.106346][T14357] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 630.106349][T14357] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 630.106350][T14357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 630.106352][T14357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.106353][T14357] ? netlink_ack (./include/linux/skbuff.h:2718) [ 630.106355][T14357] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 630.106358][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106359][T14357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.106361][T14357] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 630.106363][T14357] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 630.106365][T14357] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.106367][T14357] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 630.106369][T14357] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 630.106370][T14357] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 630.106372][T14357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.106374][T14357] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 630.106377][T14357] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 630.106379][T14357] ____sys_sendmsg (net/socket.c:2713) [ 630.106380][T14357] ? copy_msghdr_from_user (net/socket.c:2650) [ 630.106382][T14357] ? sock_write_iter (net/socket.c:1269) [ 630.106383][T14357] ? move_addr_to_kernel (net/socket.c:258) [ 630.106385][T14357] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 630.106387][T14357] ___sys_sendmsg (net/socket.c:2767) [ 630.106389][T14357] ? copy_msghdr_from_user (net/socket.c:2619) [ 630.106394][T14357] __sys_sendmsg (net/socket.c:2799) [ 630.106396][T14357] ? __sys_sendmsg_sock (net/socket.c:2780) [ 630.106399][T14357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.106400][T14357] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 630.106402][T14357] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 630.106404][T14357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.106406][T14357] RIP: 0033:0x7f49cd39a54e [ 630.106407][T14357] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 630.106409][T14357] RSP: 002b:00007ffcbae377a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 630.106413][T14357] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f49cd39a54e [ 630.106414][T14357] RDX: 0000000000000000 RSI: 00007ffcbae37850 RDI: 0000000000000005 [ 630.106415][T14357] RBP: 00007ffcbae377b0 R08: 0000000000000000 R09: 0000000000000000 [ 630.106416][T14357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913baf [ 630.106417][T14357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbae37f10 | [ 631.188472][T14416] softirqs last disabled at (0): 0x0 | [ 631.188474][T14416] Preemption disabled at: | [ 631.188474][T14416] vprintk_emit (kernel/printk/printk.c:2471) | [ 631.188484][T14416] Tainted: [W]=WARN [ 631.188485][T14416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 631.188486][T14416] Call Trace: [ 631.188488][T14416] [ 631.188489][T14416] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 631.188494][T14416] ? vprintk_emit (kernel/printk/printk.c:2471) [ 631.188496][T14416] __might_resched.cold (kernel/sched/core.c:9234) [ 631.188499][T14416] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 631.188502][T14416] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 631.188505][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188507][T14416] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 631.188510][T14416] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.188513][T14416] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.188518][T14416] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 631.188520][T14416] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.188522][T14416] put_chars (drivers/char/virtio_console.c:1176) [ 631.188524][T14416] ? __send_to_port (drivers/char/virtio_console.c:654) [ 631.188526][T14416] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 631.188528][T14416] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 631.188533][T14416] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 631.188534][T14416] ? vsnprintf (lib/vsprintf.c:2900) [ 631.188537][T14416] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.188539][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188540][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188542][T14416] console_emit_next_record (kernel/printk/printk.c:3183) [ 631.188544][T14416] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 631.188546][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188547][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188548][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188549][T14416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.188552][T14416] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 631.188554][T14416] console_flush_one_record (kernel/printk/printk.c:3268) [ 631.188556][T14416] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 631.188559][T14416] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 631.188560][T14416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.188562][T14416] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 631.188564][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188565][T14416] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.188566][T14416] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 631.188568][T14416] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 631.188569][T14416] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 631.188571][T14416] ? vprintk_emit (kernel/printk/printk.c:2478) [ 631.188572][T14416] vprintk_emit (kernel/printk/printk.c:2479) [ 631.188574][T14416] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 631.188575][T14416] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.188577][T14416] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.188580][T14416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.188582][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188583][T14416] _printk (kernel/printk/printk.c:2504) [ 631.188586][T14416] ? snapshot_read.cold (user.c:?) [ 631.188588][T14416] ? br_multicast_flood (??:?) [ 631.188591][T14416] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 631.188594][T14416] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 631.188595][T14416] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 631.188597][T14416] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 631.188599][T14416] br_init_port (net/bridge/br_stp_if.c:39) [ 631.188601][T14416] new_nbp (net/bridge/br_if.c:449) [ 631.188603][T14416] br_add_if (net/bridge/br_if.c:592) [ 631.188605][T14416] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 631.188609][T14416] do_set_master (net/core/rtnetlink.c:3071) [ 631.188611][T14416] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 631.188613][T14416] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 631.188614][T14416] ? __dev_get_by_name (net/core/dev.c:905) [ 631.188616][T14416] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 631.188620][T14416] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 631.188622][T14416] rtnl_newlink (net/core/rtnetlink.c:4215) [ 631.188624][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188626][T14416] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.188627][T14416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.188628][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188630][T14416] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 631.188632][T14416] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 631.188634][T14416] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 631.188636][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188638][T14416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.188639][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188640][T14416] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.188642][T14416] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 631.188643][T14416] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.188645][T14416] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.188646][T14416] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 631.188650][T14416] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 631.188652][T14416] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.188654][T14416] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.188655][T14416] ? netlink_ack (./include/linux/skbuff.h:2718) [ 631.188657][T14416] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 631.188660][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188661][T14416] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.188663][T14416] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 631.188665][T14416] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 631.188667][T14416] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 631.188670][T14416] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 631.188672][T14416] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 631.188674][T14416] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 631.188676][T14416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.188678][T14416] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 631.188681][T14416] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 631.188684][T14416] ____sys_sendmsg (net/socket.c:2713) [ 631.188686][T14416] ? copy_msghdr_from_user (net/socket.c:2650) [ 631.188688][T14416] ? sock_write_iter (net/socket.c:1269) [ 631.188689][T14416] ? move_addr_to_kernel (net/socket.c:258) [ 631.188691][T14416] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 631.188694][T14416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.188696][T14416] ___sys_sendmsg (net/socket.c:2767) [ 631.188697][T14416] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 631.188699][T14416] ? copy_msghdr_from_user (net/socket.c:2619) [ 631.188701][T14416] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 631.188705][T14416] __sys_sendmsg (net/socket.c:2799) [ 631.188707][T14416] ? __sys_sendmsg_sock (net/socket.c:2780) [ 631.188710][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188711][T14416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.188713][T14416] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 631.188715][T14416] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 631.188717][T14416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 631.188719][T14416] RIP: 0033:0x7ff9e749e54e [ 631.188721][T14416] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 631.188722][T14416] RSP: 002b:00007fffe04223f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 631.188726][T14416] RAX: ffffffffffffffda RBX: 00007fffe0422bb8 RCX: 00007ff9e749e54e [ 631.188727][T14416] RDX: 0000000000000000 RSI: 00007fffe04224a0 RDI: 0000000000000005 [ 631.188728][T14416] RBP: 00007fffe0422400 R08: 0000000000000000 R09: 0000000000000000 [ 631.188729][T14416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bb0 [ 631.188730][T14416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe0422b70 | [ 637.249615][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 637.249617][ T12] Preemption disabled at: | [ 637.249618][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 637.249629][ T12] Tainted: [W]=WARN [ 637.249630][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 637.249632][ T12] Workqueue: netns cleanup_net [ 637.249638][ T12] Call Trace: [ 637.249639][ T12] [ 637.249641][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 637.249646][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 637.249648][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 637.249651][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 637.249653][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 637.249657][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249659][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 637.249662][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.249666][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 637.249671][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 637.249672][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 637.249675][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 637.249677][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 637.249678][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 637.249681][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 637.249686][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 637.249687][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 637.249690][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.249692][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249693][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249695][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 637.249697][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 637.249699][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249700][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249701][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249702][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.249705][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 637.249707][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 637.249710][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 637.249712][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 637.249714][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.249716][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 637.249717][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249718][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 637.249720][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 637.249722][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 637.249723][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 637.249725][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 637.249727][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 637.249728][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 637.249729][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 637.249731][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 637.249734][ T12] ? kthread (kernel/kthread.c:436) [ 637.249736][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 637.249739][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 637.249742][ T12] _printk (kernel/printk/printk.c:2504) [ 637.249745][ T12] ? snapshot_read.cold (user.c:?) [ 637.249747][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 637.249750][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 637.249752][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 637.249755][ T12] ? netdev_notice (net/core/dev.c:13194) [ 637.249757][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249758][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 637.249759][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 637.249763][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 637.249764][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 637.249765][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 637.249768][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 637.249770][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 637.249774][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 637.249776][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 637.249779][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 637.249781][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 637.249783][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 637.249785][ T12] cleanup_net (net/core/net_namespace.c:706) [ 637.249787][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 637.249789][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.249791][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.249793][ T12] process_one_work (kernel/workqueue.c:3387) [ 637.249795][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 637.249798][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.249801][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 637.249803][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 637.249805][ T12] kthread (kernel/kthread.c:436) [ 637.249807][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 637.249809][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 637.249811][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 637.249812][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 637.249815][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 637.249818][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 637.249820][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 638.471565][T14554] softirqs last disabled at (0): 0x0 | [ 638.471566][T14554] Preemption disabled at: | [ 638.471567][T14554] vprintk_emit (kernel/printk/printk.c:2471) | [ 638.471577][T14554] Tainted: [W]=WARN [ 638.471578][T14554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 638.471579][T14554] Call Trace: [ 638.471581][T14554] [ 638.471582][T14554] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 638.471588][T14554] ? vprintk_emit (kernel/printk/printk.c:2471) [ 638.471589][T14554] __might_resched.cold (kernel/sched/core.c:9234) [ 638.471593][T14554] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 638.471596][T14554] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 638.471599][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471601][T14554] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 638.471604][T14554] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.471607][T14554] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 638.471613][T14554] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 638.471614][T14554] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 638.471617][T14554] put_chars (drivers/char/virtio_console.c:1176) [ 638.471618][T14554] ? __send_to_port (drivers/char/virtio_console.c:654) [ 638.471620][T14554] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 638.471623][T14554] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 638.471627][T14554] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 638.471629][T14554] ? vsnprintf (lib/vsprintf.c:2900) [ 638.471632][T14554] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.471634][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471635][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471637][T14554] console_emit_next_record (kernel/printk/printk.c:3183) [ 638.471640][T14554] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 638.471642][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471643][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471644][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471645][T14554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.471647][T14554] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 638.471649][T14554] console_flush_one_record (kernel/printk/printk.c:3268) [ 638.471651][T14554] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 638.471654][T14554] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 638.471656][T14554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.471658][T14554] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 638.471659][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471660][T14554] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.471662][T14554] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 638.471664][T14554] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 638.471665][T14554] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 638.471667][T14554] ? vprintk_emit (kernel/printk/printk.c:2478) [ 638.471669][T14554] vprintk_emit (kernel/printk/printk.c:2479) [ 638.471670][T14554] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 638.471672][T14554] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.471674][T14554] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 638.471677][T14554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.471678][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471680][T14554] _printk (kernel/printk/printk.c:2504) [ 638.471683][T14554] ? snapshot_read.cold (user.c:?) [ 638.471685][T14554] ? br_multicast_flood (??:?) [ 638.471688][T14554] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 638.471691][T14554] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 638.471692][T14554] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 638.471694][T14554] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 638.471697][T14554] br_init_port (net/bridge/br_stp_if.c:39) [ 638.471699][T14554] new_nbp (net/bridge/br_if.c:449) [ 638.471701][T14554] br_add_if (net/bridge/br_if.c:592) [ 638.471703][T14554] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 638.471707][T14554] do_set_master (net/core/rtnetlink.c:3071) [ 638.471709][T14554] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 638.471711][T14554] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 638.471713][T14554] ? __dev_get_by_name (net/core/dev.c:905) [ 638.471714][T14554] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 638.471718][T14554] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 638.471721][T14554] rtnl_newlink (net/core/rtnetlink.c:4215) [ 638.471723][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471724][T14554] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 638.471725][T14554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.471727][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471728][T14554] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 638.471731][T14554] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 638.471733][T14554] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 638.471735][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471736][T14554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.471738][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471739][T14554] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 638.471740][T14554] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 638.471742][T14554] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 638.471743][T14554] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 638.471745][T14554] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 638.471749][T14554] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 638.471752][T14554] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 638.471753][T14554] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.471755][T14554] ? netlink_ack (./include/linux/skbuff.h:2718) [ 638.471757][T14554] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 638.471759][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471761][T14554] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.471763][T14554] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 638.471765][T14554] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 638.471767][T14554] ? next_uptodate_folio (mm/filemap.c:3747) [ 638.471770][T14554] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 638.471772][T14554] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 638.471774][T14554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.471776][T14554] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 638.471779][T14554] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 638.471782][T14554] ____sys_sendmsg (net/socket.c:2713) [ 638.471784][T14554] ? copy_msghdr_from_user (net/socket.c:2650) [ 638.471786][T14554] ? sock_write_iter (net/socket.c:1269) [ 638.471787][T14554] ? move_addr_to_kernel (net/socket.c:258) [ 638.471789][T14554] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 638.471792][T14554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.471794][T14554] ___sys_sendmsg (net/socket.c:2767) [ 638.471796][T14554] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 638.471798][T14554] ? copy_msghdr_from_user (net/socket.c:2619) [ 638.471799][T14554] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 638.471804][T14554] __sys_sendmsg (net/socket.c:2799) [ 638.471806][T14554] ? __sys_sendmsg_sock (net/socket.c:2780) [ 638.471809][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471810][T14554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.471811][T14554] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 638.471814][T14554] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 638.471816][T14554] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 638.471818][T14554] RIP: 0033:0x7f20a789254e [ 638.471820][T14554] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 638.471822][T14554] RSP: 002b:00007ffc635b5620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 638.471826][T14554] RAX: ffffffffffffffda RBX: 00007ffc635b5de8 RCX: 00007f20a789254e [ 638.471827][T14554] RDX: 0000000000000000 RSI: 00007ffc635b56d0 RDI: 0000000000000005 [ 638.471828][T14554] RBP: 00007ffc635b5630 R08: 0000000000000000 R09: 0000000000000000 [ 638.471829][T14554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bb7 [ 638.471830][T14554] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc635b5da0 | [ 639.823245][T14623] softirqs last disabled at (0): 0x0 | [ 639.823247][T14623] Preemption disabled at: | [ 639.823248][T14623] vprintk_emit (kernel/printk/printk.c:2471) | [ 639.823258][T14623] Tainted: [W]=WARN [ 639.823259][T14623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 639.823261][T14623] Call Trace: [ 639.823262][T14623] [ 639.823263][T14623] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 639.823269][T14623] ? vprintk_emit (kernel/printk/printk.c:2471) [ 639.823270][T14623] __might_resched.cold (kernel/sched/core.c:9234) [ 639.823274][T14623] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 639.823277][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823280][T14623] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 639.823283][T14623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 639.823286][T14623] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 639.823291][T14623] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 639.823293][T14623] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 639.823295][T14623] put_chars (drivers/char/virtio_console.c:1176) [ 639.823297][T14623] ? __send_to_port (drivers/char/virtio_console.c:654) [ 639.823298][T14623] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 639.823300][T14623] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 639.823302][T14623] ? pointer (lib/vsprintf.c:2577) [ 639.823305][T14623] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 639.823310][T14623] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 639.823312][T14623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 639.823314][T14623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.823317][T14623] console_emit_next_record (kernel/printk/printk.c:3183) [ 639.823319][T14623] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 639.823322][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823324][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823325][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823326][T14623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.823328][T14623] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 639.823330][T14623] console_flush_one_record (kernel/printk/printk.c:3268) [ 639.823332][T14623] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 639.823335][T14623] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 639.823337][T14623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.823339][T14623] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 639.823340][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823341][T14623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.823343][T14623] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 639.823344][T14623] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 639.823346][T14623] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 639.823348][T14623] ? vprintk_emit (kernel/printk/printk.c:2478) [ 639.823349][T14623] vprintk_emit (kernel/printk/printk.c:2479) [ 639.823351][T14623] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 639.823352][T14623] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 639.823354][T14623] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 639.823357][T14623] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 639.823360][T14623] _printk (kernel/printk/printk.c:2504) [ 639.823363][T14623] ? snapshot_read.cold (user.c:?) [ 639.823364][T14623] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 639.823367][T14623] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 639.823370][T14623] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 639.823372][T14623] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 639.823375][T14623] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 639.823377][T14623] ? netdev_notice (net/core/dev.c:13194) [ 639.823379][T14623] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 639.823381][T14623] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 639.823383][T14623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 639.823385][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823386][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823387][T14623] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 639.823388][T14623] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 639.823390][T14623] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 639.823391][T14623] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 639.823393][T14623] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 639.823394][T14623] ? register_netdev (net/core/dev.c:11618) [ 639.823395][T14623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.823397][T14623] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 639.823400][T14623] ? __kernel_text_address (kernel/extable.c:79) [ 639.823402][T14623] ? write_profile (profile.c:?) [ 639.823405][T14623] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 639.823409][T14623] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 639.823410][T14623] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 639.823412][T14623] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 639.823413][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823414][T14623] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 639.823418][T14623] ? kasan_save_stack (mm/kasan/common.c:58) [ 639.823419][T14623] ? kasan_save_stack (mm/kasan/common.c:57) [ 639.823420][T14623] ? kasan_save_track (mm/kasan/common.c:78) [ 639.823422][T14623] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 639.823423][T14623] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 639.823424][T14623] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 639.823425][T14623] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 639.823426][T14623] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 639.823429][T14623] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 639.823431][T14623] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 639.823432][T14623] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 639.823435][T14623] ? ____sys_sendmsg (net/socket.c:2713) [ 639.823436][T14623] ? ___sys_sendmsg (net/socket.c:2767) [ 639.823438][T14623] ? __sys_sendmsg (net/socket.c:2799) [ 639.823439][T14623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 639.823442][T14623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 639.823444][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823445][T14623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.823447][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823448][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823449][T14623] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 639.823450][T14623] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 639.823452][T14623] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 639.823453][T14623] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 639.823454][T14623] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 639.823455][T14623] ? nla_get_range_signed (lib/nlattr.c:270) [ 639.823459][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823460][T14623] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 639.823462][T14623] rtnl_newlink (net/core/rtnetlink.c:4215) [ 639.823464][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823465][T14623] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 639.823466][T14623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.823468][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823469][T14623] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 639.823471][T14623] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 639.823473][T14623] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 639.823474][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823475][T14623] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 639.823478][T14623] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 639.823481][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823482][T14623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.823483][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823484][T14623] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 639.823486][T14623] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 639.823487][T14623] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 639.823489][T14623] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 639.823490][T14623] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 639.823493][T14623] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 639.823494][T14623] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 639.823496][T14623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.823497][T14623] ? netlink_ack (./include/linux/skbuff.h:2718) [ 639.823499][T14623] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 639.823502][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823503][T14623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.823505][T14623] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 639.823507][T14623] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 639.823509][T14623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 639.823511][T14623] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 639.823513][T14623] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 639.823514][T14623] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 639.823516][T14623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.823518][T14623] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 639.823521][T14623] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 639.823523][T14623] ____sys_sendmsg (net/socket.c:2713) [ 639.823524][T14623] ? copy_msghdr_from_user (net/socket.c:2650) [ 639.823526][T14623] ? sock_write_iter (net/socket.c:1269) [ 639.823527][T14623] ? move_addr_to_kernel (net/socket.c:258) [ 639.823529][T14623] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 639.823531][T14623] ___sys_sendmsg (net/socket.c:2767) [ 639.823533][T14623] ? copy_msghdr_from_user (net/socket.c:2619) [ 639.823538][T14623] __sys_sendmsg (net/socket.c:2799) [ 639.823540][T14623] ? __sys_sendmsg_sock (net/socket.c:2780) [ 639.823543][T14623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.823544][T14623] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 639.823546][T14623] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 639.823548][T14623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 639.823549][T14623] RIP: 0033:0x7f874f85454e [ 639.823551][T14623] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 639.823553][T14623] RSP: 002b:00007fff5dcae050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 639.823556][T14623] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f874f85454e [ 639.823558][T14623] RDX: 0000000000000000 RSI: 00007fff5dcae100 RDI: 0000000000000005 [ 639.823559][T14623] RBP: 00007fff5dcae060 R08: 0000000000000000 R09: 0000000000000000 [ 639.823560][T14623] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bb9 [ 639.823561][T14623] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5dcae7c0 | [ 640.895801][T14680] softirqs last disabled at (0): 0x0 | [ 640.895802][T14680] Preemption disabled at: | [ 640.895803][T14680] vprintk_emit (kernel/printk/printk.c:2471) | [ 640.895813][T14680] Tainted: [W]=WARN [ 640.895815][T14680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 640.895816][T14680] Call Trace: [ 640.895818][T14680] [ 640.895819][T14680] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 640.895825][T14680] ? vprintk_emit (kernel/printk/printk.c:2471) [ 640.895826][T14680] __might_resched.cold (kernel/sched/core.c:9234) [ 640.895830][T14680] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 640.895832][T14680] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 640.895835][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895838][T14680] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 640.895841][T14680] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.895845][T14680] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 640.895850][T14680] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 640.895851][T14680] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 640.895854][T14680] put_chars (drivers/char/virtio_console.c:1176) [ 640.895856][T14680] ? __send_to_port (drivers/char/virtio_console.c:654) [ 640.895858][T14680] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 640.895860][T14680] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 640.895865][T14680] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 640.895866][T14680] ? vsnprintf (lib/vsprintf.c:2900) [ 640.895870][T14680] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.895872][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895873][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895874][T14680] console_emit_next_record (kernel/printk/printk.c:3183) [ 640.895877][T14680] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 640.895879][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895880][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895881][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895883][T14680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.895885][T14680] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 640.895887][T14680] console_flush_one_record (kernel/printk/printk.c:3268) [ 640.895889][T14680] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 640.895892][T14680] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 640.895894][T14680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.895896][T14680] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 640.895897][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895898][T14680] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.895900][T14680] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 640.895902][T14680] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 640.895903][T14680] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 640.895905][T14680] ? vprintk_emit (kernel/printk/printk.c:2478) [ 640.895907][T14680] vprintk_emit (kernel/printk/printk.c:2479) [ 640.895908][T14680] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 640.895909][T14680] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.895911][T14680] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 640.895914][T14680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.895916][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895917][T14680] _printk (kernel/printk/printk.c:2504) [ 640.895921][T14680] ? snapshot_read.cold (user.c:?) [ 640.895923][T14680] ? br_multicast_flood (??:?) [ 640.895926][T14680] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 640.895929][T14680] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 640.895930][T14680] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 640.895932][T14680] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 640.895935][T14680] br_init_port (net/bridge/br_stp_if.c:39) [ 640.895937][T14680] new_nbp (net/bridge/br_if.c:449) [ 640.895939][T14680] br_add_if (net/bridge/br_if.c:592) [ 640.895941][T14680] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 640.895945][T14680] do_set_master (net/core/rtnetlink.c:3071) [ 640.895947][T14680] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 640.895949][T14680] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 640.895950][T14680] ? __dev_get_by_name (net/core/dev.c:905) [ 640.895952][T14680] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 640.895956][T14680] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 640.895959][T14680] rtnl_newlink (net/core/rtnetlink.c:4215) [ 640.895961][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895962][T14680] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 640.895963][T14680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.895965][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895966][T14680] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 640.895969][T14680] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 640.895971][T14680] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 640.895973][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895974][T14680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.895976][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895977][T14680] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 640.895978][T14680] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 640.895980][T14680] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 640.895982][T14680] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 640.895983][T14680] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 640.895987][T14680] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 640.895990][T14680] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 640.895991][T14680] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.895993][T14680] ? netlink_ack (./include/linux/skbuff.h:2718) [ 640.895995][T14680] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 640.895998][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.895999][T14680] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.896001][T14680] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 640.896003][T14680] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 640.896005][T14680] ? next_uptodate_folio (mm/filemap.c:3747) [ 640.896008][T14680] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 640.896010][T14680] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 640.896012][T14680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.896014][T14680] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 640.896017][T14680] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 640.896020][T14680] ____sys_sendmsg (net/socket.c:2713) [ 640.896022][T14680] ? copy_msghdr_from_user (net/socket.c:2650) [ 640.896024][T14680] ? sock_write_iter (net/socket.c:1269) [ 640.896025][T14680] ? move_addr_to_kernel (net/socket.c:258) [ 640.896028][T14680] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 640.896030][T14680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.896032][T14680] ___sys_sendmsg (net/socket.c:2767) [ 640.896034][T14680] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 640.896036][T14680] ? copy_msghdr_from_user (net/socket.c:2619) [ 640.896037][T14680] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 640.896042][T14680] __sys_sendmsg (net/socket.c:2799) [ 640.896044][T14680] ? __sys_sendmsg_sock (net/socket.c:2780) [ 640.896047][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.896048][T14680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.896050][T14680] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 640.896052][T14680] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 640.896054][T14680] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 640.896056][T14680] RIP: 0033:0x7fcafd76754e [ 640.896058][T14680] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 640.896060][T14680] RSP: 002b:00007ffdab785b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 640.896063][T14680] RAX: ffffffffffffffda RBX: 00007ffdab786358 RCX: 00007fcafd76754e [ 640.896065][T14680] RDX: 0000000000000000 RSI: 00007ffdab785c40 RDI: 0000000000000005 [ 640.896066][T14680] RBP: 00007ffdab785ba0 R08: 0000000000000000 R09: 0000000000000000 [ 640.896067][T14680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bba [ 640.896068][T14680] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdab786310 | [ 646.945826][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 646.945828][ T12] Preemption disabled at: | [ 646.945829][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 646.945840][ T12] Tainted: [W]=WARN [ 646.945841][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 646.945843][ T12] Workqueue: netns cleanup_net [ 646.945848][ T12] Call Trace: [ 646.945850][ T12] [ 646.945852][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 646.945857][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 646.945858][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 646.945862][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 646.945864][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 646.945867][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945870][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 646.945873][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 646.945876][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 646.945880][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 646.945882][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 646.945885][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 646.945886][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 646.945888][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 646.945890][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 646.945895][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 646.945897][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 646.945899][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 646.945901][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945902][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945903][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 646.945906][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 646.945908][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945909][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945910][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945911][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 646.945913][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 646.945915][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 646.945918][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 646.945920][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 646.945922][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 646.945924][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 646.945926][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945927][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 646.945928][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 646.945930][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 646.945931][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 646.945933][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 646.945935][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 646.945936][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 646.945937][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 646.945939][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 646.945942][ T12] ? kthread (kernel/kthread.c:436) [ 646.945944][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 646.945947][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 646.945950][ T12] _printk (kernel/printk/printk.c:2504) [ 646.945953][ T12] ? snapshot_read.cold (user.c:?) [ 646.945955][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 646.945959][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 646.945961][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 646.945963][ T12] ? netdev_notice (net/core/dev.c:13194) [ 646.945965][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.945966][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 646.945967][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 646.945970][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 646.945972][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 646.945973][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 646.945976][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 646.945978][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 646.945982][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 646.945984][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 646.945986][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 646.945988][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 646.945990][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 646.945993][ T12] cleanup_net (net/core/net_namespace.c:706) [ 646.945995][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 646.945997][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 646.945999][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.946000][ T12] process_one_work (kernel/workqueue.c:3387) [ 646.946003][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 646.946006][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 646.946008][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 646.946011][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 646.946013][ T12] kthread (kernel/kthread.c:436) [ 646.946015][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 646.946016][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 646.946018][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 646.946020][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 646.946022][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 646.946025][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 646.946027][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 648.128861][T14818] softirqs last disabled at (0): 0x0 | [ 648.128863][T14818] Preemption disabled at: | [ 648.128864][T14818] vprintk_emit (kernel/printk/printk.c:2471) | [ 648.128874][T14818] Tainted: [W]=WARN [ 648.128875][T14818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 648.128876][T14818] Call Trace: [ 648.128878][T14818] [ 648.128879][T14818] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 648.128885][T14818] ? vprintk_emit (kernel/printk/printk.c:2471) [ 648.128886][T14818] __might_resched.cold (kernel/sched/core.c:9234) [ 648.128890][T14818] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 648.128892][T14818] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 648.128896][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128898][T14818] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 648.128901][T14818] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 648.128904][T14818] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 648.128909][T14818] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 648.128911][T14818] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 648.128914][T14818] put_chars (drivers/char/virtio_console.c:1176) [ 648.128915][T14818] ? __send_to_port (drivers/char/virtio_console.c:654) [ 648.128917][T14818] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 648.128919][T14818] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 648.128924][T14818] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 648.128926][T14818] ? vsnprintf (lib/vsprintf.c:2900) [ 648.128929][T14818] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 648.128931][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128932][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128934][T14818] console_emit_next_record (kernel/printk/printk.c:3183) [ 648.128936][T14818] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 648.128938][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128939][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128941][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128942][T14818] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.128944][T14818] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 648.128946][T14818] console_flush_one_record (kernel/printk/printk.c:3268) [ 648.128948][T14818] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 648.128951][T14818] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 648.128953][T14818] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.128955][T14818] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 648.128956][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128957][T14818] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 648.128959][T14818] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 648.128960][T14818] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 648.128962][T14818] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 648.128964][T14818] ? vprintk_emit (kernel/printk/printk.c:2478) [ 648.128965][T14818] vprintk_emit (kernel/printk/printk.c:2479) [ 648.128967][T14818] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 648.128968][T14818] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 648.128970][T14818] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 648.128973][T14818] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.128975][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.128976][T14818] _printk (kernel/printk/printk.c:2504) [ 648.128979][T14818] ? snapshot_read.cold (user.c:?) [ 648.128981][T14818] ? br_multicast_flood (??:?) [ 648.128985][T14818] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 648.128987][T14818] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 648.128988][T14818] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 648.128990][T14818] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 648.128993][T14818] br_init_port (net/bridge/br_stp_if.c:39) [ 648.128995][T14818] new_nbp (net/bridge/br_if.c:449) [ 648.128997][T14818] br_add_if (net/bridge/br_if.c:592) [ 648.128999][T14818] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 648.129003][T14818] do_set_master (net/core/rtnetlink.c:3071) [ 648.129005][T14818] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 648.129006][T14818] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 648.129008][T14818] ? __dev_get_by_name (net/core/dev.c:905) [ 648.129010][T14818] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 648.129014][T14818] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 648.129016][T14818] rtnl_newlink (net/core/rtnetlink.c:4215) [ 648.129018][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.129019][T14818] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 648.129021][T14818] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.129022][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.129024][T14818] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 648.129026][T14818] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 648.129028][T14818] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 648.129030][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.129031][T14818] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.129033][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.129034][T14818] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 648.129035][T14818] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 648.129037][T14818] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 648.129038][T14818] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 648.129040][T14818] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 648.129044][T14818] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 648.129046][T14818] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 648.129048][T14818] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 648.129049][T14818] ? netlink_ack (./include/linux/skbuff.h:2718) [ 648.129051][T14818] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 648.129054][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.129055][T14818] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 648.129057][T14818] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 648.129059][T14818] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 648.129061][T14818] ? next_uptodate_folio (mm/filemap.c:3747) [ 648.129064][T14818] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 648.129066][T14818] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 648.129068][T14818] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.129070][T14818] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 648.129073][T14818] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 648.129076][T14818] ____sys_sendmsg (net/socket.c:2713) [ 648.129078][T14818] ? copy_msghdr_from_user (net/socket.c:2650) [ 648.129080][T14818] ? sock_write_iter (net/socket.c:1269) [ 648.129081][T14818] ? move_addr_to_kernel (net/socket.c:258) [ 648.129083][T14818] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 648.129086][T14818] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.129088][T14818] ___sys_sendmsg (net/socket.c:2767) [ 648.129089][T14818] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 648.129091][T14818] ? copy_msghdr_from_user (net/socket.c:2619) [ 648.129093][T14818] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 648.129097][T14818] __sys_sendmsg (net/socket.c:2799) [ 648.129100][T14818] ? __sys_sendmsg_sock (net/socket.c:2780) [ 648.129107][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.129108][T14818] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.129110][T14818] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 648.129112][T14818] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 648.129114][T14818] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 648.129116][T14818] RIP: 0033:0x7ff7b9e4c54e [ 648.129118][T14818] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 648.129120][T14818] RSP: 002b:00007fffa26e1000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 648.129124][T14818] RAX: ffffffffffffffda RBX: 00007fffa26e17c8 RCX: 00007ff7b9e4c54e [ 648.129125][T14818] RDX: 0000000000000000 RSI: 00007fffa26e10b0 RDI: 0000000000000005 [ 648.129126][T14818] RBP: 00007fffa26e1010 R08: 0000000000000000 R09: 0000000000000000 [ 648.129127][T14818] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bc1 [ 648.129128][T14818] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa26e1780 | [ 649.436068][T14887] softirqs last disabled at (0): 0x0 | [ 649.436070][T14887] Preemption disabled at: | [ 649.436070][T14887] vprintk_emit (kernel/printk/printk.c:2471) | [ 649.436081][T14887] Tainted: [W]=WARN [ 649.436082][T14887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 649.436083][T14887] Call Trace: [ 649.436085][T14887] [ 649.436087][T14887] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 649.436092][T14887] ? vprintk_emit (kernel/printk/printk.c:2471) [ 649.436093][T14887] __might_resched.cold (kernel/sched/core.c:9234) [ 649.436097][T14887] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 649.436100][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436103][T14887] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 649.436110][T14887] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.436113][T14887] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 649.436118][T14887] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 649.436120][T14887] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 649.436122][T14887] put_chars (drivers/char/virtio_console.c:1176) [ 649.436124][T14887] ? __send_to_port (drivers/char/virtio_console.c:654) [ 649.436125][T14887] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 649.436127][T14887] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 649.436129][T14887] ? pointer (lib/vsprintf.c:2577) [ 649.436133][T14887] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 649.436138][T14887] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 649.436140][T14887] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.436141][T14887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.436144][T14887] console_emit_next_record (kernel/printk/printk.c:3183) [ 649.436147][T14887] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 649.436149][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436150][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436151][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436152][T14887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.436154][T14887] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 649.436156][T14887] console_flush_one_record (kernel/printk/printk.c:3268) [ 649.436158][T14887] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 649.436161][T14887] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 649.436162][T14887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.436167][T14887] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 649.436169][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436170][T14887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.436172][T14887] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 649.436173][T14887] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 649.436175][T14887] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 649.436177][T14887] ? vprintk_emit (kernel/printk/printk.c:2478) [ 649.436178][T14887] vprintk_emit (kernel/printk/printk.c:2479) [ 649.436180][T14887] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 649.436181][T14887] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 649.436183][T14887] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 649.436186][T14887] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 649.436189][T14887] _printk (kernel/printk/printk.c:2504) [ 649.436192][T14887] ? snapshot_read.cold (user.c:?) [ 649.436194][T14887] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 649.436196][T14887] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 649.436199][T14887] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 649.436201][T14887] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.436204][T14887] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 649.436207][T14887] ? netdev_notice (net/core/dev.c:13194) [ 649.436209][T14887] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 649.436210][T14887] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 649.436213][T14887] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.436214][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436216][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436217][T14887] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 649.436218][T14887] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 649.436219][T14887] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 649.436221][T14887] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.436222][T14887] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 649.436224][T14887] ? register_netdev (net/core/dev.c:11618) [ 649.436225][T14887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.436227][T14887] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 649.436230][T14887] ? __kernel_text_address (kernel/extable.c:79) [ 649.436233][T14887] ? write_profile (profile.c:?) [ 649.436235][T14887] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 649.436239][T14887] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.436241][T14887] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 649.436242][T14887] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 649.436243][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436245][T14887] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 649.436248][T14887] ? kasan_save_stack (mm/kasan/common.c:58) [ 649.436250][T14887] ? kasan_save_stack (mm/kasan/common.c:57) [ 649.436251][T14887] ? kasan_save_track (mm/kasan/common.c:78) [ 649.436252][T14887] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 649.436253][T14887] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 649.436254][T14887] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 649.436255][T14887] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 649.436257][T14887] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 649.436259][T14887] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 649.436261][T14887] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 649.436262][T14887] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 649.436265][T14887] ? ____sys_sendmsg (net/socket.c:2713) [ 649.436266][T14887] ? ___sys_sendmsg (net/socket.c:2767) [ 649.436268][T14887] ? __sys_sendmsg (net/socket.c:2799) [ 649.436270][T14887] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 649.436272][T14887] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.436274][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436276][T14887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.436277][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436278][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436279][T14887] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 649.436281][T14887] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 649.436282][T14887] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 649.436283][T14887] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 649.436285][T14887] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 649.436286][T14887] ? nla_get_range_signed (lib/nlattr.c:270) [ 649.436289][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436290][T14887] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 649.436292][T14887] rtnl_newlink (net/core/rtnetlink.c:4215) [ 649.436294][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436296][T14887] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 649.436297][T14887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.436298][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436300][T14887] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 649.436302][T14887] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 649.436303][T14887] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 649.436305][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436306][T14887] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 649.436309][T14887] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 649.436312][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436313][T14887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.436314][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436316][T14887] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 649.436317][T14887] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 649.436319][T14887] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 649.436320][T14887] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 649.436322][T14887] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 649.436325][T14887] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 649.436327][T14887] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 649.436328][T14887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.436329][T14887] ? netlink_ack (./include/linux/skbuff.h:2718) [ 649.436331][T14887] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 649.436334][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436335][T14887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.436337][T14887] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 649.436340][T14887] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 649.436341][T14887] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.436343][T14887] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 649.436345][T14887] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 649.436347][T14887] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 649.436349][T14887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.436350][T14887] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 649.436353][T14887] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 649.436355][T14887] ____sys_sendmsg (net/socket.c:2713) [ 649.436356][T14887] ? copy_msghdr_from_user (net/socket.c:2650) [ 649.436358][T14887] ? sock_write_iter (net/socket.c:1269) [ 649.436359][T14887] ? move_addr_to_kernel (net/socket.c:258) [ 649.436361][T14887] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 649.436364][T14887] ___sys_sendmsg (net/socket.c:2767) [ 649.436365][T14887] ? copy_msghdr_from_user (net/socket.c:2619) [ 649.436370][T14887] __sys_sendmsg (net/socket.c:2799) [ 649.436372][T14887] ? __sys_sendmsg_sock (net/socket.c:2780) [ 649.436375][T14887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.436376][T14887] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 649.436378][T14887] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 649.436380][T14887] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.436381][T14887] RIP: 0033:0x7f6a3e8e454e [ 649.436383][T14887] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 649.436385][T14887] RSP: 002b:00007ffe8909e630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 649.436389][T14887] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6a3e8e454e [ 649.436390][T14887] RDX: 0000000000000000 RSI: 00007ffe8909e6e0 RDI: 0000000000000005 [ 649.436391][T14887] RBP: 00007ffe8909e640 R08: 0000000000000000 R09: 0000000000000000 [ 649.436392][T14887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bc2 [ 649.436393][T14887] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8909eda0 | [ 650.497339][T14937] softirqs last disabled at (0): 0x0 | [ 650.497340][T14937] Preemption disabled at: | [ 650.497341][T14937] vprintk_emit (kernel/printk/printk.c:2471) | [ 650.497351][T14937] Tainted: [W]=WARN [ 650.497352][T14937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 650.497354][T14937] Call Trace: [ 650.497356][T14937] [ 650.497357][T14937] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 650.497362][T14937] ? vprintk_emit (kernel/printk/printk.c:2471) [ 650.497364][T14937] __might_resched.cold (kernel/sched/core.c:9234) [ 650.497367][T14937] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 650.497370][T14937] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 650.497373][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497376][T14937] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 650.497379][T14937] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.497382][T14937] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 650.497387][T14937] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 650.497389][T14937] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 650.497391][T14937] put_chars (drivers/char/virtio_console.c:1176) [ 650.497393][T14937] ? __send_to_port (drivers/char/virtio_console.c:654) [ 650.497395][T14937] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 650.497397][T14937] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 650.497402][T14937] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 650.497404][T14937] ? vsnprintf (lib/vsprintf.c:2900) [ 650.497407][T14937] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.497409][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497410][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497412][T14937] console_emit_next_record (kernel/printk/printk.c:3183) [ 650.497414][T14937] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 650.497416][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497417][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497419][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497420][T14937] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.497422][T14937] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 650.497424][T14937] console_flush_one_record (kernel/printk/printk.c:3268) [ 650.497426][T14937] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 650.497429][T14937] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 650.497431][T14937] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.497432][T14937] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 650.497434][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497435][T14937] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.497436][T14937] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 650.497438][T14937] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 650.497440][T14937] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 650.497442][T14937] ? vprintk_emit (kernel/printk/printk.c:2478) [ 650.497443][T14937] vprintk_emit (kernel/printk/printk.c:2479) [ 650.497445][T14937] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 650.497446][T14937] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.497448][T14937] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 650.497451][T14937] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.497452][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497454][T14937] _printk (kernel/printk/printk.c:2504) [ 650.497457][T14937] ? snapshot_read.cold (user.c:?) [ 650.497459][T14937] ? br_multicast_flood (??:?) [ 650.497462][T14937] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 650.497465][T14937] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 650.497466][T14937] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 650.497467][T14937] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 650.497470][T14937] br_init_port (net/bridge/br_stp_if.c:39) [ 650.497472][T14937] new_nbp (net/bridge/br_if.c:449) [ 650.497475][T14937] br_add_if (net/bridge/br_if.c:592) [ 650.497476][T14937] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 650.497481][T14937] do_set_master (net/core/rtnetlink.c:3071) [ 650.497482][T14937] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 650.497484][T14937] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 650.497486][T14937] ? __dev_get_by_name (net/core/dev.c:905) [ 650.497487][T14937] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 650.497491][T14937] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 650.497494][T14937] rtnl_newlink (net/core/rtnetlink.c:4215) [ 650.497496][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497497][T14937] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 650.497498][T14937] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.497500][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497501][T14937] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 650.497504][T14937] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 650.497506][T14937] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 650.497508][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497509][T14937] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.497511][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497512][T14937] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 650.497514][T14937] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 650.497515][T14937] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 650.497517][T14937] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 650.497518][T14937] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 650.497522][T14937] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 650.497525][T14937] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 650.497527][T14937] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.497528][T14937] ? netlink_ack (./include/linux/skbuff.h:2718) [ 650.497530][T14937] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 650.497533][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497534][T14937] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.497536][T14937] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 650.497538][T14937] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 650.497540][T14937] ? next_uptodate_folio (mm/filemap.c:3747) [ 650.497543][T14937] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 650.497545][T14937] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 650.497548][T14937] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.497549][T14937] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 650.497553][T14937] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 650.497556][T14937] ____sys_sendmsg (net/socket.c:2713) [ 650.497558][T14937] ? copy_msghdr_from_user (net/socket.c:2650) [ 650.497559][T14937] ? sock_write_iter (net/socket.c:1269) [ 650.497561][T14937] ? move_addr_to_kernel (net/socket.c:258) [ 650.497563][T14937] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 650.497565][T14937] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.497567][T14937] ___sys_sendmsg (net/socket.c:2767) [ 650.497569][T14937] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 650.497571][T14937] ? copy_msghdr_from_user (net/socket.c:2619) [ 650.497573][T14937] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 650.497577][T14937] __sys_sendmsg (net/socket.c:2799) [ 650.497579][T14937] ? __sys_sendmsg_sock (net/socket.c:2780) [ 650.497582][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497583][T14937] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.497585][T14937] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 650.497587][T14937] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 650.497589][T14937] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 650.497591][T14937] RIP: 0033:0x7fc12ef9c54e [ 650.497593][T14937] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 650.497595][T14937] RSP: 002b:00007fff29a61900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 650.497599][T14937] RAX: ffffffffffffffda RBX: 00007fff29a620c8 RCX: 00007fc12ef9c54e [ 650.497600][T14937] RDX: 0000000000000000 RSI: 00007fff29a619b0 RDI: 0000000000000005 [ 650.497601][T14937] RBP: 00007fff29a61910 R08: 0000000000000000 R09: 0000000000000000 [ 650.497602][T14937] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bc3 [ 650.497603][T14937] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff29a62080 | [ 656.539427][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 656.539429][ T12] Preemption disabled at: | [ 656.539430][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 656.539440][ T12] Tainted: [W]=WARN [ 656.539441][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 656.539443][ T12] Workqueue: netns cleanup_net [ 656.539449][ T12] Call Trace: [ 656.539451][ T12] [ 656.539452][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 656.539458][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 656.539459][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 656.539463][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 656.539465][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 656.539469][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539471][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 656.539474][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 656.539477][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 656.539482][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 656.539484][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 656.539486][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 656.539488][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 656.539490][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 656.539492][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 656.539497][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 656.539499][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 656.539501][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 656.539503][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539504][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539506][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 656.539508][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 656.539510][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539511][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539512][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539513][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 656.539516][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 656.539518][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 656.539520][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 656.539523][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 656.539525][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 656.539526][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 656.539528][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539529][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 656.539531][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 656.539532][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 656.539534][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 656.539536][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 656.539537][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 656.539539][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 656.539540][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 656.539542][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 656.539545][ T12] ? kthread (kernel/kthread.c:436) [ 656.539547][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 656.539550][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 656.539552][ T12] _printk (kernel/printk/printk.c:2504) [ 656.539556][ T12] ? snapshot_read.cold (user.c:?) [ 656.539558][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 656.539561][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 656.539563][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 656.539565][ T12] ? netdev_notice (net/core/dev.c:13194) [ 656.539568][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539569][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 656.539570][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 656.539574][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 656.539575][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 656.539577][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 656.539579][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 656.539582][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 656.539586][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 656.539588][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 656.539590][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 656.539592][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 656.539594][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 656.539597][ T12] cleanup_net (net/core/net_namespace.c:706) [ 656.539599][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 656.539601][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 656.539603][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.539604][ T12] process_one_work (kernel/workqueue.c:3387) [ 656.539607][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 656.539610][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 656.539612][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 656.539615][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 656.539617][ T12] kthread (kernel/kthread.c:436) [ 656.539619][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 656.539620][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 656.539622][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 656.539624][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 656.539626][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 656.539629][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 656.539631][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 657.693759][T15075] softirqs last disabled at (0): 0x0 | [ 657.693761][T15075] Preemption disabled at: | [ 657.693761][T15075] vprintk_emit (kernel/printk/printk.c:2471) | [ 657.693771][T15075] Tainted: [W]=WARN [ 657.693772][T15075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 657.693774][T15075] Call Trace: [ 657.693776][T15075] [ 657.693777][T15075] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 657.693783][T15075] ? vprintk_emit (kernel/printk/printk.c:2471) [ 657.693784][T15075] __might_resched.cold (kernel/sched/core.c:9234) [ 657.693788][T15075] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 657.693790][T15075] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 657.693793][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693796][T15075] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 657.693798][T15075] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.693801][T15075] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 657.693806][T15075] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 657.693808][T15075] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 657.693811][T15075] put_chars (drivers/char/virtio_console.c:1176) [ 657.693812][T15075] ? __send_to_port (drivers/char/virtio_console.c:654) [ 657.693814][T15075] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 657.693816][T15075] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 657.693821][T15075] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 657.693822][T15075] ? vsnprintf (lib/vsprintf.c:2900) [ 657.693826][T15075] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.693827][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693829][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693830][T15075] console_emit_next_record (kernel/printk/printk.c:3183) [ 657.693833][T15075] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 657.693835][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693836][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693837][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693838][T15075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.693841][T15075] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 657.693843][T15075] console_flush_one_record (kernel/printk/printk.c:3268) [ 657.693845][T15075] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 657.693848][T15075] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 657.693849][T15075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.693851][T15075] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 657.693853][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693854][T15075] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 657.693855][T15075] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 657.693857][T15075] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 657.693858][T15075] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 657.693860][T15075] ? vprintk_emit (kernel/printk/printk.c:2478) [ 657.693862][T15075] vprintk_emit (kernel/printk/printk.c:2479) [ 657.693863][T15075] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 657.693865][T15075] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.693866][T15075] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 657.693869][T15075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.693871][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693872][T15075] _printk (kernel/printk/printk.c:2504) [ 657.693875][T15075] ? snapshot_read.cold (user.c:?) [ 657.693877][T15075] ? br_multicast_flood (??:?) [ 657.693881][T15075] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 657.693884][T15075] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 657.693885][T15075] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 657.693887][T15075] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 657.693890][T15075] br_init_port (net/bridge/br_stp_if.c:39) [ 657.693891][T15075] new_nbp (net/bridge/br_if.c:449) [ 657.693894][T15075] br_add_if (net/bridge/br_if.c:592) [ 657.693895][T15075] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 657.693900][T15075] do_set_master (net/core/rtnetlink.c:3071) [ 657.693901][T15075] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 657.693903][T15075] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 657.693904][T15075] ? __dev_get_by_name (net/core/dev.c:905) [ 657.693906][T15075] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 657.693910][T15075] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 657.693912][T15075] rtnl_newlink (net/core/rtnetlink.c:4215) [ 657.693915][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693916][T15075] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 657.693917][T15075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.693919][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693920][T15075] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 657.693923][T15075] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 657.693924][T15075] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 657.693927][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693928][T15075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.693929][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693931][T15075] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 657.693932][T15075] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 657.693934][T15075] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 657.693935][T15075] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 657.693936][T15075] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 657.693940][T15075] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 657.693943][T15075] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 657.693944][T15075] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 657.693946][T15075] ? netlink_ack (./include/linux/skbuff.h:2718) [ 657.693948][T15075] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 657.693951][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.693952][T15075] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 657.693954][T15075] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 657.693956][T15075] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 657.693958][T15075] ? next_uptodate_folio (mm/filemap.c:3747) [ 657.693961][T15075] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 657.693964][T15075] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 657.693966][T15075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.693967][T15075] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 657.693971][T15075] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 657.693974][T15075] ____sys_sendmsg (net/socket.c:2713) [ 657.693976][T15075] ? copy_msghdr_from_user (net/socket.c:2650) [ 657.693977][T15075] ? sock_write_iter (net/socket.c:1269) [ 657.693979][T15075] ? move_addr_to_kernel (net/socket.c:258) [ 657.693981][T15075] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 657.693984][T15075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.693986][T15075] ___sys_sendmsg (net/socket.c:2767) [ 657.693987][T15075] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 657.693989][T15075] ? copy_msghdr_from_user (net/socket.c:2619) [ 657.693991][T15075] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 657.693995][T15075] __sys_sendmsg (net/socket.c:2799) [ 657.693997][T15075] ? __sys_sendmsg_sock (net/socket.c:2780) [ 657.694000][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.694001][T15075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.694002][T15075] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 657.694005][T15075] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 657.694007][T15075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 657.694009][T15075] RIP: 0033:0x7face5fdb54e [ 657.694011][T15075] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 657.694013][T15075] RSP: 002b:00007ffc56fdc500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 657.694016][T15075] RAX: ffffffffffffffda RBX: 00007ffc56fdccc8 RCX: 00007face5fdb54e [ 657.694018][T15075] RDX: 0000000000000000 RSI: 00007ffc56fdc5b0 RDI: 0000000000000005 [ 657.694019][T15075] RBP: 00007ffc56fdc510 R08: 0000000000000000 R09: 0000000000000000 [ 657.694019][T15075] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bcb [ 657.694020][T15075] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc56fdcc80 | [ 658.993561][T15144] softirqs last disabled at (0): 0x0 | [ 658.993563][T15144] Preemption disabled at: | [ 658.993564][T15144] vprintk_emit (kernel/printk/printk.c:2471) | [ 658.993573][T15144] Tainted: [W]=WARN [ 658.993575][T15144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 658.993576][T15144] Call Trace: [ 658.993578][T15144] [ 658.993579][T15144] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 658.993585][T15144] ? vprintk_emit (kernel/printk/printk.c:2471) [ 658.993586][T15144] __might_resched.cold (kernel/sched/core.c:9234) [ 658.993590][T15144] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 658.993594][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993596][T15144] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 658.993599][T15144] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.993602][T15144] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 658.993607][T15144] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 658.993608][T15144] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 658.993611][T15144] put_chars (drivers/char/virtio_console.c:1176) [ 658.993613][T15144] ? __send_to_port (drivers/char/virtio_console.c:654) [ 658.993614][T15144] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 658.993616][T15144] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 658.993618][T15144] ? pointer (lib/vsprintf.c:2577) [ 658.993622][T15144] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 658.993626][T15144] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 658.993628][T15144] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.993630][T15144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.993632][T15144] console_emit_next_record (kernel/printk/printk.c:3183) [ 658.993635][T15144] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 658.993637][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993638][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993639][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993640][T15144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.993642][T15144] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 658.993644][T15144] console_flush_one_record (kernel/printk/printk.c:3268) [ 658.993647][T15144] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 658.993649][T15144] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 658.993651][T15144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.993653][T15144] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 658.993655][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993656][T15144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.993657][T15144] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 658.993659][T15144] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 658.993660][T15144] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 658.993662][T15144] ? vprintk_emit (kernel/printk/printk.c:2478) [ 658.993664][T15144] vprintk_emit (kernel/printk/printk.c:2479) [ 658.993665][T15144] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 658.993666][T15144] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 658.993669][T15144] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 658.993672][T15144] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 658.993674][T15144] _printk (kernel/printk/printk.c:2504) [ 658.993677][T15144] ? snapshot_read.cold (user.c:?) [ 658.993679][T15144] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 658.993681][T15144] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 658.993685][T15144] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 658.993686][T15144] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 658.993690][T15144] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 658.993692][T15144] ? netdev_notice (net/core/dev.c:13194) [ 658.993694][T15144] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 658.993696][T15144] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 658.993698][T15144] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.993700][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993701][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993702][T15144] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 658.993703][T15144] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 658.993705][T15144] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 658.993706][T15144] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 658.993707][T15144] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 658.993709][T15144] ? register_netdev (net/core/dev.c:11618) [ 658.993710][T15144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.993712][T15144] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 658.993715][T15144] ? __kernel_text_address (kernel/extable.c:79) [ 658.993717][T15144] ? write_profile (profile.c:?) [ 658.993720][T15144] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 658.993724][T15144] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 658.993726][T15144] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 658.993727][T15144] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 658.993729][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993730][T15144] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 658.993733][T15144] ? kasan_save_stack (mm/kasan/common.c:58) [ 658.993735][T15144] ? kasan_save_stack (mm/kasan/common.c:57) [ 658.993736][T15144] ? kasan_save_track (mm/kasan/common.c:78) [ 658.993737][T15144] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 658.993738][T15144] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 658.993739][T15144] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 658.993741][T15144] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 658.993742][T15144] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 658.993745][T15144] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 658.993746][T15144] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 658.993748][T15144] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 658.993750][T15144] ? ____sys_sendmsg (net/socket.c:2713) [ 658.993752][T15144] ? ___sys_sendmsg (net/socket.c:2767) [ 658.993753][T15144] ? __sys_sendmsg (net/socket.c:2799) [ 658.993755][T15144] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 658.993757][T15144] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 658.993760][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993761][T15144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.993762][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993763][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993765][T15144] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 658.993766][T15144] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 658.993767][T15144] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 658.993768][T15144] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 658.993770][T15144] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 658.993771][T15144] ? nla_get_range_signed (lib/nlattr.c:270) [ 658.993774][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993776][T15144] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 658.993778][T15144] rtnl_newlink (net/core/rtnetlink.c:4215) [ 658.993780][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993781][T15144] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 658.993782][T15144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.993784][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993785][T15144] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 658.993787][T15144] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 658.993789][T15144] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 658.993790][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993791][T15144] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 658.993794][T15144] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 658.993797][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993798][T15144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.993800][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993801][T15144] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 658.993802][T15144] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 658.993804][T15144] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 658.993805][T15144] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 658.993807][T15144] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 658.993809][T15144] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 658.993811][T15144] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 658.993812][T15144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.993814][T15144] ? netlink_ack (./include/linux/skbuff.h:2718) [ 658.993815][T15144] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 658.993818][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993820][T15144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.993822][T15144] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 658.993824][T15144] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 658.993825][T15144] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 658.993827][T15144] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 658.993829][T15144] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 658.993831][T15144] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 658.993833][T15144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.993834][T15144] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 658.993837][T15144] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 658.993839][T15144] ____sys_sendmsg (net/socket.c:2713) [ 658.993841][T15144] ? copy_msghdr_from_user (net/socket.c:2650) [ 658.993843][T15144] ? sock_write_iter (net/socket.c:1269) [ 658.993844][T15144] ? move_addr_to_kernel (net/socket.c:258) [ 658.993846][T15144] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 658.993848][T15144] ___sys_sendmsg (net/socket.c:2767) [ 658.993850][T15144] ? copy_msghdr_from_user (net/socket.c:2619) [ 658.993855][T15144] __sys_sendmsg (net/socket.c:2799) [ 658.993857][T15144] ? __sys_sendmsg_sock (net/socket.c:2780) [ 658.993859][T15144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.993861][T15144] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 658.993863][T15144] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 658.993865][T15144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 658.993866][T15144] RIP: 0033:0x7fb209e5c54e [ 658.993868][T15144] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 658.993870][T15144] RSP: 002b:00007ffc90112af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 658.993874][T15144] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb209e5c54e [ 658.993875][T15144] RDX: 0000000000000000 RSI: 00007ffc90112ba0 RDI: 0000000000000005 [ 658.993876][T15144] RBP: 00007ffc90112b00 R08: 0000000000000000 R09: 0000000000000000 [ 658.993877][T15144] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bcc [ 658.993878][T15144] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc90113260 | [ 660.039170][T15194] softirqs last disabled at (0): 0x0 | [ 660.039172][T15194] Preemption disabled at: | [ 660.039173][T15194] vprintk_emit (kernel/printk/printk.c:2471) | [ 660.039183][T15194] Tainted: [W]=WARN [ 660.039184][T15194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 660.039186][T15194] Call Trace: [ 660.039187][T15194] [ 660.039188][T15194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 660.039194][T15194] ? vprintk_emit (kernel/printk/printk.c:2471) [ 660.039195][T15194] __might_resched.cold (kernel/sched/core.c:9234) [ 660.039199][T15194] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 660.039201][T15194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 660.039205][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039207][T15194] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 660.039210][T15194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 660.039214][T15194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 660.039219][T15194] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 660.039220][T15194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 660.039223][T15194] put_chars (drivers/char/virtio_console.c:1176) [ 660.039225][T15194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 660.039226][T15194] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 660.039229][T15194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 660.039234][T15194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 660.039235][T15194] ? vsnprintf (lib/vsprintf.c:2900) [ 660.039239][T15194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 660.039240][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039241][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039243][T15194] console_emit_next_record (kernel/printk/printk.c:3183) [ 660.039246][T15194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 660.039248][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039249][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039250][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039251][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.039253][T15194] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 660.039255][T15194] console_flush_one_record (kernel/printk/printk.c:3268) [ 660.039257][T15194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 660.039260][T15194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 660.039262][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.039264][T15194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 660.039265][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039266][T15194] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 660.039268][T15194] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 660.039269][T15194] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 660.039271][T15194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 660.039273][T15194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 660.039274][T15194] vprintk_emit (kernel/printk/printk.c:2479) [ 660.039276][T15194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 660.039277][T15194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 660.039279][T15194] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 660.039282][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.039284][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039285][T15194] _printk (kernel/printk/printk.c:2504) [ 660.039288][T15194] ? snapshot_read.cold (user.c:?) [ 660.039290][T15194] ? br_multicast_flood (??:?) [ 660.039293][T15194] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 660.039296][T15194] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 660.039297][T15194] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 660.039299][T15194] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 660.039302][T15194] br_init_port (net/bridge/br_stp_if.c:39) [ 660.039303][T15194] new_nbp (net/bridge/br_if.c:449) [ 660.039305][T15194] br_add_if (net/bridge/br_if.c:592) [ 660.039307][T15194] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 660.039312][T15194] do_set_master (net/core/rtnetlink.c:3071) [ 660.039314][T15194] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 660.039315][T15194] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 660.039317][T15194] ? __dev_get_by_name (net/core/dev.c:905) [ 660.039319][T15194] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 660.039323][T15194] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 660.039325][T15194] rtnl_newlink (net/core/rtnetlink.c:4215) [ 660.039327][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039329][T15194] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 660.039330][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.039332][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039333][T15194] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 660.039336][T15194] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 660.039337][T15194] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 660.039340][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039341][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.039342][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039344][T15194] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 660.039345][T15194] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 660.039347][T15194] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 660.039348][T15194] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 660.039349][T15194] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 660.039353][T15194] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 660.039356][T15194] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 660.039357][T15194] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 660.039359][T15194] ? netlink_ack (./include/linux/skbuff.h:2718) [ 660.039361][T15194] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 660.039364][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039365][T15194] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 660.039367][T15194] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 660.039369][T15194] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 660.039371][T15194] ? next_uptodate_folio (mm/filemap.c:3747) [ 660.039374][T15194] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 660.039376][T15194] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 660.039378][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.039380][T15194] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 660.039383][T15194] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 660.039386][T15194] ____sys_sendmsg (net/socket.c:2713) [ 660.039388][T15194] ? copy_msghdr_from_user (net/socket.c:2650) [ 660.039390][T15194] ? sock_write_iter (net/socket.c:1269) [ 660.039391][T15194] ? move_addr_to_kernel (net/socket.c:258) [ 660.039393][T15194] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 660.039396][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.039398][T15194] ___sys_sendmsg (net/socket.c:2767) [ 660.039400][T15194] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 660.039401][T15194] ? copy_msghdr_from_user (net/socket.c:2619) [ 660.039403][T15194] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 660.039408][T15194] __sys_sendmsg (net/socket.c:2799) [ 660.039410][T15194] ? __sys_sendmsg_sock (net/socket.c:2780) [ 660.039412][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039414][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.039415][T15194] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 660.039418][T15194] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 660.039420][T15194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 660.039422][T15194] RIP: 0033:0x7ff7dfdd054e [ 660.039423][T15194] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 660.039425][T15194] RSP: 002b:00007fff0cde0010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 660.039429][T15194] RAX: ffffffffffffffda RBX: 00007fff0cde07d8 RCX: 00007ff7dfdd054e [ 660.039430][T15194] RDX: 0000000000000000 RSI: 00007fff0cde00c0 RDI: 0000000000000005 [ 660.039431][T15194] RBP: 00007fff0cde0020 R08: 0000000000000000 R09: 0000000000000000 [ 660.039432][T15194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bcd [ 660.039433][T15194] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0cde0790 | [ 669.421486][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 669.421488][ T12] Preemption disabled at: | [ 669.421489][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 669.421500][ T12] Tainted: [W]=WARN [ 669.421501][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 669.421502][ T12] Workqueue: netns cleanup_net [ 669.421508][ T12] Call Trace: [ 669.421509][ T12] [ 669.421511][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 669.421517][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 669.421518][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 669.421522][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 669.421524][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 669.421527][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421530][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 669.421533][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.421536][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 669.421540][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 669.421542][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 669.421545][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 669.421546][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 669.421548][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 669.421551][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 669.421555][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 669.421557][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 669.421560][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.421561][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421562][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421564][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 669.421567][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 669.421569][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421570][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421571][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421572][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.421574][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 669.421576][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 669.421579][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 669.421581][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 669.421583][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.421585][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 669.421587][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421588][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 669.421590][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 669.421591][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 669.421593][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 669.421595][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 669.421596][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 669.421598][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 669.421599][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 669.421601][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 669.421603][ T12] ? kthread (kernel/kthread.c:436) [ 669.421606][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 669.421609][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 669.421611][ T12] _printk (kernel/printk/printk.c:2504) [ 669.421614][ T12] ? snapshot_read.cold (user.c:?) [ 669.421617][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 669.421620][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 669.421622][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 669.421624][ T12] ? netdev_notice (net/core/dev.c:13194) [ 669.421626][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421628][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 669.421629][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 669.421632][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 669.421633][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 669.421635][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 669.421637][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 669.421640][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 669.421644][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 669.421646][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 669.421648][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 669.421650][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 669.421652][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 669.421655][ T12] cleanup_net (net/core/net_namespace.c:706) [ 669.421657][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 669.421658][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421660][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.421662][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.421663][ T12] process_one_work (kernel/workqueue.c:3387) [ 669.421666][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 669.421669][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.421671][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 669.421674][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 669.421676][ T12] kthread (kernel/kthread.c:436) [ 669.421678][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 669.421679][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 669.421681][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 669.421683][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 669.421685][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 669.421688][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 669.421690][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 670.609026][T15451] softirqs last disabled at (0): 0x0 | [ 670.609028][T15451] Preemption disabled at: | [ 670.609029][T15451] vprintk_emit (kernel/printk/printk.c:2471) | [ 670.609039][T15451] Tainted: [W]=WARN [ 670.609040][T15451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 670.609041][T15451] Call Trace: [ 670.609043][T15451] [ 670.609044][T15451] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 670.609050][T15451] ? vprintk_emit (kernel/printk/printk.c:2471) [ 670.609051][T15451] __might_resched.cold (kernel/sched/core.c:9234) [ 670.609055][T15451] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 670.609057][T15451] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 670.609060][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609063][T15451] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 670.609066][T15451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.609069][T15451] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 670.609074][T15451] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 670.609076][T15451] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 670.609079][T15451] put_chars (drivers/char/virtio_console.c:1176) [ 670.609080][T15451] ? __send_to_port (drivers/char/virtio_console.c:654) [ 670.609082][T15451] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 670.609085][T15451] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 670.609089][T15451] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 670.609091][T15451] ? vsnprintf (lib/vsprintf.c:2900) [ 670.609094][T15451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.609096][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609097][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609099][T15451] console_emit_next_record (kernel/printk/printk.c:3183) [ 670.609101][T15451] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 670.609103][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609104][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609105][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609107][T15451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.609109][T15451] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 670.609111][T15451] console_flush_one_record (kernel/printk/printk.c:3268) [ 670.609113][T15451] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 670.609116][T15451] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 670.609118][T15451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.609119][T15451] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 670.609121][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609122][T15451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.609124][T15451] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 670.609125][T15451] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 670.609126][T15451] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 670.609129][T15451] ? vprintk_emit (kernel/printk/printk.c:2478) [ 670.609130][T15451] vprintk_emit (kernel/printk/printk.c:2479) [ 670.609132][T15451] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 670.609133][T15451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.609134][T15451] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 670.609137][T15451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.609139][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609140][T15451] _printk (kernel/printk/printk.c:2504) [ 670.609143][T15451] ? snapshot_read.cold (user.c:?) [ 670.609145][T15451] ? br_multicast_flood (??:?) [ 670.609149][T15451] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 670.609151][T15451] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 670.609152][T15451] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 670.609154][T15451] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 670.609157][T15451] br_init_port (net/bridge/br_stp_if.c:39) [ 670.609159][T15451] new_nbp (net/bridge/br_if.c:449) [ 670.609161][T15451] br_add_if (net/bridge/br_if.c:592) [ 670.609163][T15451] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 670.609169][T15451] do_set_master (net/core/rtnetlink.c:3071) [ 670.609171][T15451] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 670.609173][T15451] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 670.609174][T15451] ? __dev_get_by_name (net/core/dev.c:905) [ 670.609176][T15451] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 670.609185][T15451] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 670.609187][T15451] rtnl_newlink (net/core/rtnetlink.c:4215) [ 670.609189][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609190][T15451] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 670.609192][T15451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.609193][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609195][T15451] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 670.609198][T15451] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 670.609199][T15451] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 670.609202][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609203][T15451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.609205][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609206][T15451] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 670.609207][T15451] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 670.609209][T15451] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 670.609210][T15451] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 670.609212][T15451] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 670.609216][T15451] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 670.609219][T15451] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 670.609220][T15451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.609222][T15451] ? netlink_ack (./include/linux/skbuff.h:2718) [ 670.609223][T15451] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 670.609226][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609227][T15451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.609230][T15451] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 670.609232][T15451] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 670.609234][T15451] ? next_uptodate_folio (mm/filemap.c:3747) [ 670.609237][T15451] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 670.609239][T15451] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 670.609241][T15451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.609242][T15451] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 670.609246][T15451] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 670.609249][T15451] ____sys_sendmsg (net/socket.c:2713) [ 670.609250][T15451] ? copy_msghdr_from_user (net/socket.c:2650) [ 670.609252][T15451] ? sock_write_iter (net/socket.c:1269) [ 670.609254][T15451] ? move_addr_to_kernel (net/socket.c:258) [ 670.609256][T15451] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 670.609258][T15451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.609260][T15451] ___sys_sendmsg (net/socket.c:2767) [ 670.609262][T15451] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 670.609264][T15451] ? copy_msghdr_from_user (net/socket.c:2619) [ 670.609266][T15451] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 670.609270][T15451] __sys_sendmsg (net/socket.c:2799) [ 670.609272][T15451] ? __sys_sendmsg_sock (net/socket.c:2780) [ 670.609275][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609276][T15451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.609278][T15451] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 670.609280][T15451] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 670.609282][T15451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 670.609284][T15451] RIP: 0033:0x7f09ab06a54e [ 670.609286][T15451] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 670.609288][T15451] RSP: 002b:00007ffd2e103310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 670.609292][T15451] RAX: ffffffffffffffda RBX: 00007ffd2e103ad8 RCX: 00007f09ab06a54e [ 670.609294][T15451] RDX: 0000000000000000 RSI: 00007ffd2e1033c0 RDI: 0000000000000005 [ 670.609295][T15451] RBP: 00007ffd2e103320 R08: 0000000000000000 R09: 0000000000000000 [ 670.609296][T15451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bd7 [ 670.609296][T15451] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2e103a90 | [ 671.893807][T15520] softirqs last disabled at (0): 0x0 | [ 671.893808][T15520] Preemption disabled at: | [ 671.893809][T15520] vprintk_emit (kernel/printk/printk.c:2471) | [ 671.893820][T15520] Tainted: [W]=WARN [ 671.893821][T15520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 671.893823][T15520] Call Trace: [ 671.893824][T15520] [ 671.893826][T15520] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 671.893831][T15520] ? vprintk_emit (kernel/printk/printk.c:2471) [ 671.893832][T15520] __might_resched.cold (kernel/sched/core.c:9234) [ 671.893836][T15520] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 671.893840][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893842][T15520] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 671.893845][T15520] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 671.893848][T15520] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 671.893853][T15520] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 671.893855][T15520] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 671.893857][T15520] put_chars (drivers/char/virtio_console.c:1176) [ 671.893859][T15520] ? __send_to_port (drivers/char/virtio_console.c:654) [ 671.893860][T15520] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 671.893862][T15520] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 671.893864][T15520] ? pointer (lib/vsprintf.c:2577) [ 671.893868][T15520] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 671.893872][T15520] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 671.893874][T15520] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 671.893876][T15520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.893878][T15520] console_emit_next_record (kernel/printk/printk.c:3183) [ 671.893881][T15520] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 671.893883][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893884][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893885][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893886][T15520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.893888][T15520] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 671.893890][T15520] console_flush_one_record (kernel/printk/printk.c:3268) [ 671.893892][T15520] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 671.893895][T15520] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 671.893897][T15520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.893898][T15520] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 671.893900][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893901][T15520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.893903][T15520] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 671.893904][T15520] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 671.893906][T15520] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 671.893908][T15520] ? vprintk_emit (kernel/printk/printk.c:2478) [ 671.893909][T15520] vprintk_emit (kernel/printk/printk.c:2479) [ 671.893911][T15520] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 671.893912][T15520] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 671.893914][T15520] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 671.893918][T15520] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 671.893920][T15520] _printk (kernel/printk/printk.c:2504) [ 671.893923][T15520] ? snapshot_read.cold (user.c:?) [ 671.893925][T15520] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 671.893927][T15520] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 671.893930][T15520] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 671.893932][T15520] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 671.893935][T15520] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 671.893937][T15520] ? netdev_notice (net/core/dev.c:13194) [ 671.893939][T15520] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 671.893941][T15520] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 671.893944][T15520] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 671.893945][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893946][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893947][T15520] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 671.893949][T15520] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 671.893950][T15520] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 671.893951][T15520] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 671.893953][T15520] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 671.893955][T15520] ? register_netdev (net/core/dev.c:11618) [ 671.893956][T15520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.893958][T15520] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 671.893961][T15520] ? __kernel_text_address (kernel/extable.c:79) [ 671.893963][T15520] ? write_profile (profile.c:?) [ 671.893966][T15520] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 671.893970][T15520] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 671.893972][T15520] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 671.893973][T15520] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 671.893974][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.893975][T15520] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 671.893979][T15520] ? kasan_save_stack (mm/kasan/common.c:58) [ 671.893981][T15520] ? kasan_save_stack (mm/kasan/common.c:57) [ 671.893982][T15520] ? kasan_save_track (mm/kasan/common.c:78) [ 671.893983][T15520] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 671.893984][T15520] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 671.893985][T15520] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 671.893986][T15520] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 671.893987][T15520] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 671.893990][T15520] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 671.893992][T15520] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 671.893993][T15520] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 671.893996][T15520] ? ____sys_sendmsg (net/socket.c:2713) [ 671.893997][T15520] ? ___sys_sendmsg (net/socket.c:2767) [ 671.893999][T15520] ? __sys_sendmsg (net/socket.c:2799) [ 671.894001][T15520] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 671.894003][T15520] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 671.894005][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894006][T15520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.894008][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894009][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894010][T15520] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 671.894011][T15520] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 671.894013][T15520] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 671.894014][T15520] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 671.894015][T15520] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 671.894016][T15520] ? nla_get_range_signed (lib/nlattr.c:270) [ 671.894020][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894021][T15520] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 671.894023][T15520] rtnl_newlink (net/core/rtnetlink.c:4215) [ 671.894025][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894026][T15520] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 671.894028][T15520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.894029][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894030][T15520] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 671.894033][T15520] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 671.894034][T15520] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 671.894036][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894037][T15520] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 671.894040][T15520] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 671.894042][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894043][T15520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.894045][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894046][T15520] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 671.894047][T15520] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 671.894049][T15520] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 671.894050][T15520] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 671.894052][T15520] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 671.894054][T15520] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 671.894056][T15520] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 671.894057][T15520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.894059][T15520] ? netlink_ack (./include/linux/skbuff.h:2718) [ 671.894061][T15520] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 671.894064][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894065][T15520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.894067][T15520] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 671.894069][T15520] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 671.894071][T15520] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 671.894072][T15520] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 671.894075][T15520] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 671.894076][T15520] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 671.894078][T15520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.894079][T15520] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 671.894082][T15520] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 671.894084][T15520] ____sys_sendmsg (net/socket.c:2713) [ 671.894086][T15520] ? copy_msghdr_from_user (net/socket.c:2650) [ 671.894088][T15520] ? sock_write_iter (net/socket.c:1269) [ 671.894089][T15520] ? move_addr_to_kernel (net/socket.c:258) [ 671.894090][T15520] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 671.894093][T15520] ___sys_sendmsg (net/socket.c:2767) [ 671.894095][T15520] ? copy_msghdr_from_user (net/socket.c:2619) [ 671.894100][T15520] __sys_sendmsg (net/socket.c:2799) [ 671.894102][T15520] ? __sys_sendmsg_sock (net/socket.c:2780) [ 671.894104][T15520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.894106][T15520] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 671.894108][T15520] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 671.894110][T15520] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 671.894111][T15520] RIP: 0033:0x7fb24ac6f54e [ 671.894113][T15520] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 671.894115][T15520] RSP: 002b:00007ffd50ae07f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 671.894118][T15520] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb24ac6f54e [ 671.894120][T15520] RDX: 0000000000000000 RSI: 00007ffd50ae08a0 RDI: 0000000000000005 [ 671.894121][T15520] RBP: 00007ffd50ae0800 R08: 0000000000000000 R09: 0000000000000000 [ 671.894122][T15520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bd9 [ 671.894123][T15520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd50ae0f60 | [ 672.947379][T15577] softirqs last disabled at (0): 0x0 | [ 672.947381][T15577] Preemption disabled at: | [ 672.947382][T15577] vprintk_emit (kernel/printk/printk.c:2471) | [ 672.947391][T15577] Tainted: [W]=WARN [ 672.947392][T15577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 672.947394][T15577] Call Trace: [ 672.947395][T15577] [ 672.947397][T15577] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 672.947402][T15577] ? vprintk_emit (kernel/printk/printk.c:2471) [ 672.947403][T15577] __might_resched.cold (kernel/sched/core.c:9234) [ 672.947407][T15577] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 672.947409][T15577] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 672.947412][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947415][T15577] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 672.947418][T15577] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 672.947421][T15577] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 672.947426][T15577] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 672.947427][T15577] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 672.947430][T15577] put_chars (drivers/char/virtio_console.c:1176) [ 672.947432][T15577] ? __send_to_port (drivers/char/virtio_console.c:654) [ 672.947434][T15577] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 672.947436][T15577] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 672.947441][T15577] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 672.947442][T15577] ? vsnprintf (lib/vsprintf.c:2900) [ 672.947445][T15577] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 672.947447][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947448][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947450][T15577] console_emit_next_record (kernel/printk/printk.c:3183) [ 672.947453][T15577] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 672.947455][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947456][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947457][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947458][T15577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.947460][T15577] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 672.947462][T15577] console_flush_one_record (kernel/printk/printk.c:3268) [ 672.947465][T15577] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 672.947467][T15577] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 672.947469][T15577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.947471][T15577] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 672.947472][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947473][T15577] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 672.947475][T15577] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 672.947476][T15577] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 672.947478][T15577] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 672.947480][T15577] ? vprintk_emit (kernel/printk/printk.c:2478) [ 672.947481][T15577] vprintk_emit (kernel/printk/printk.c:2479) [ 672.947483][T15577] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 672.947484][T15577] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 672.947486][T15577] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 672.947489][T15577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.947490][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947492][T15577] _printk (kernel/printk/printk.c:2504) [ 672.947494][T15577] ? snapshot_read.cold (user.c:?) [ 672.947497][T15577] ? br_multicast_flood (??:?) [ 672.947500][T15577] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 672.947503][T15577] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 672.947504][T15577] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 672.947506][T15577] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 672.947509][T15577] br_init_port (net/bridge/br_stp_if.c:39) [ 672.947510][T15577] new_nbp (net/bridge/br_if.c:449) [ 672.947513][T15577] br_add_if (net/bridge/br_if.c:592) [ 672.947514][T15577] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 672.947518][T15577] do_set_master (net/core/rtnetlink.c:3071) [ 672.947520][T15577] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 672.947522][T15577] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 672.947523][T15577] ? __dev_get_by_name (net/core/dev.c:905) [ 672.947525][T15577] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 672.947530][T15577] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 672.947532][T15577] rtnl_newlink (net/core/rtnetlink.c:4215) [ 672.947534][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947535][T15577] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 672.947537][T15577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.947538][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947539][T15577] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 672.947542][T15577] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 672.947544][T15577] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 672.947546][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947547][T15577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.947549][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947550][T15577] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 672.947551][T15577] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 672.947553][T15577] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 672.947554][T15577] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 672.947556][T15577] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 672.947559][T15577] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 672.947562][T15577] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 672.947564][T15577] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 672.947565][T15577] ? netlink_ack (./include/linux/skbuff.h:2718) [ 672.947567][T15577] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 672.947570][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947571][T15577] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 672.947573][T15577] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 672.947575][T15577] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 672.947577][T15577] ? next_uptodate_folio (mm/filemap.c:3747) [ 672.947580][T15577] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 672.947582][T15577] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 672.947584][T15577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.947586][T15577] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 672.947589][T15577] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 672.947592][T15577] ____sys_sendmsg (net/socket.c:2713) [ 672.947594][T15577] ? copy_msghdr_from_user (net/socket.c:2650) [ 672.947596][T15577] ? sock_write_iter (net/socket.c:1269) [ 672.947597][T15577] ? move_addr_to_kernel (net/socket.c:258) [ 672.947599][T15577] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 672.947602][T15577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.947603][T15577] ___sys_sendmsg (net/socket.c:2767) [ 672.947605][T15577] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 672.947607][T15577] ? copy_msghdr_from_user (net/socket.c:2619) [ 672.947608][T15577] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 672.947613][T15577] __sys_sendmsg (net/socket.c:2799) [ 672.947615][T15577] ? __sys_sendmsg_sock (net/socket.c:2780) [ 672.947617][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947619][T15577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.947620][T15577] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 672.947622][T15577] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 672.947624][T15577] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 672.947626][T15577] RIP: 0033:0x7f38e4eb954e [ 672.947628][T15577] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 672.947630][T15577] RSP: 002b:00007ffdddd3fd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 672.947634][T15577] RAX: ffffffffffffffda RBX: 00007ffdddd404e8 RCX: 00007f38e4eb954e [ 672.947635][T15577] RDX: 0000000000000000 RSI: 00007ffdddd3fdd0 RDI: 0000000000000005 [ 672.947636][T15577] RBP: 00007ffdddd3fd30 R08: 0000000000000000 R09: 0000000000000000 [ 672.947637][T15577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bda [ 672.947638][T15577] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdddd404a0 | [ 682.364057][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 682.364060][ T12] Preemption disabled at: | [ 682.364060][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 682.364071][ T12] Tainted: [W]=WARN [ 682.364072][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 682.364074][ T12] Workqueue: netns cleanup_net [ 682.364080][ T12] Call Trace: [ 682.364081][ T12] [ 682.364083][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 682.364088][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 682.364090][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 682.364093][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 682.364095][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 682.364099][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364101][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 682.364104][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 682.364107][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 682.364112][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 682.364114][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 682.364116][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 682.364118][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 682.364120][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 682.364122][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 682.364127][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 682.364129][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 682.364131][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 682.364133][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364134][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364136][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 682.364138][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 682.364140][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364144][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 682.364146][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 682.364148][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 682.364150][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 682.364153][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 682.364155][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 682.364156][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 682.364158][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364159][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 682.364161][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 682.364166][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 682.364168][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 682.364170][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 682.364171][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 682.364173][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 682.364174][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 682.364176][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 682.364178][ T12] ? kthread (kernel/kthread.c:436) [ 682.364181][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 682.364184][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 682.364186][ T12] _printk (kernel/printk/printk.c:2504) [ 682.364190][ T12] ? snapshot_read.cold (user.c:?) [ 682.364192][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 682.364195][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 682.364197][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 682.364199][ T12] ? netdev_notice (net/core/dev.c:13194) [ 682.364202][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364203][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 682.364205][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 682.364208][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 682.364209][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 682.364211][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 682.364213][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 682.364216][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 682.364219][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 682.364226][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 682.364229][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 682.364231][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 682.364233][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 682.364236][ T12] cleanup_net (net/core/net_namespace.c:706) [ 682.364238][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 682.364240][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 682.364242][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.364243][ T12] process_one_work (kernel/workqueue.c:3387) [ 682.364246][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 682.364249][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 682.364251][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 682.364254][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 682.364256][ T12] kthread (kernel/kthread.c:436) [ 682.364258][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 682.364260][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 682.364262][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 682.364263][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 682.364265][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 682.364268][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 682.364270][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 683.530246][T15833] softirqs last disabled at (0): 0x0 | [ 683.530248][T15833] Preemption disabled at: | [ 683.530249][T15833] vprintk_emit (kernel/printk/printk.c:2471) | [ 683.530258][T15833] Tainted: [W]=WARN [ 683.530260][T15833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 683.530261][T15833] Call Trace: [ 683.530263][T15833] [ 683.530264][T15833] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 683.530269][T15833] ? vprintk_emit (kernel/printk/printk.c:2471) [ 683.530271][T15833] __might_resched.cold (kernel/sched/core.c:9234) [ 683.530274][T15833] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 683.530277][T15833] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 683.530280][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530283][T15833] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 683.530285][T15833] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 683.530288][T15833] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 683.530293][T15833] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 683.530295][T15833] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 683.530298][T15833] put_chars (drivers/char/virtio_console.c:1176) [ 683.530299][T15833] ? __send_to_port (drivers/char/virtio_console.c:654) [ 683.530301][T15833] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 683.530303][T15833] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 683.530308][T15833] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 683.530310][T15833] ? vsnprintf (lib/vsprintf.c:2900) [ 683.530313][T15833] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 683.530315][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530316][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530318][T15833] console_emit_next_record (kernel/printk/printk.c:3183) [ 683.530320][T15833] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 683.530323][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530324][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530325][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530326][T15833] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.530328][T15833] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 683.530330][T15833] console_flush_one_record (kernel/printk/printk.c:3268) [ 683.530333][T15833] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 683.530336][T15833] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 683.530337][T15833] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.530339][T15833] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 683.530341][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530342][T15833] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 683.530343][T15833] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 683.530345][T15833] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 683.530346][T15833] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 683.530349][T15833] ? vprintk_emit (kernel/printk/printk.c:2478) [ 683.530350][T15833] vprintk_emit (kernel/printk/printk.c:2479) [ 683.530352][T15833] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 683.530353][T15833] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 683.530355][T15833] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 683.530358][T15833] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.530359][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530361][T15833] _printk (kernel/printk/printk.c:2504) [ 683.530364][T15833] ? snapshot_read.cold (user.c:?) [ 683.530366][T15833] ? br_multicast_flood (??:?) [ 683.530369][T15833] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 683.530372][T15833] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 683.530373][T15833] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 683.530375][T15833] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 683.530378][T15833] br_init_port (net/bridge/br_stp_if.c:39) [ 683.530379][T15833] new_nbp (net/bridge/br_if.c:449) [ 683.530382][T15833] br_add_if (net/bridge/br_if.c:592) [ 683.530383][T15833] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 683.530387][T15833] do_set_master (net/core/rtnetlink.c:3071) [ 683.530389][T15833] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 683.530391][T15833] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 683.530392][T15833] ? __dev_get_by_name (net/core/dev.c:905) [ 683.530394][T15833] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 683.530398][T15833] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 683.530400][T15833] rtnl_newlink (net/core/rtnetlink.c:4215) [ 683.530403][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530404][T15833] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 683.530405][T15833] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.530407][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530408][T15833] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 683.530410][T15833] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 683.530412][T15833] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 683.530415][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530416][T15833] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.530417][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530419][T15833] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 683.530420][T15833] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 683.530422][T15833] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 683.530423][T15833] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 683.530425][T15833] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 683.530428][T15833] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 683.530431][T15833] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 683.530433][T15833] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 683.530434][T15833] ? netlink_ack (./include/linux/skbuff.h:2718) [ 683.530436][T15833] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 683.530439][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530440][T15833] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 683.530443][T15833] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 683.530445][T15833] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 683.530447][T15833] ? next_uptodate_folio (mm/filemap.c:3747) [ 683.530450][T15833] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 683.530452][T15833] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 683.530454][T15833] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.530456][T15833] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 683.530459][T15833] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 683.530462][T15833] ____sys_sendmsg (net/socket.c:2713) [ 683.530464][T15833] ? copy_msghdr_from_user (net/socket.c:2650) [ 683.530465][T15833] ? sock_write_iter (net/socket.c:1269) [ 683.530467][T15833] ? move_addr_to_kernel (net/socket.c:258) [ 683.530469][T15833] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 683.530471][T15833] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.530473][T15833] ___sys_sendmsg (net/socket.c:2767) [ 683.530475][T15833] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 683.530477][T15833] ? copy_msghdr_from_user (net/socket.c:2619) [ 683.530479][T15833] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 683.530483][T15833] __sys_sendmsg (net/socket.c:2799) [ 683.530485][T15833] ? __sys_sendmsg_sock (net/socket.c:2780) [ 683.530488][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530489][T15833] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.530491][T15833] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 683.530493][T15833] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 683.530495][T15833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 683.530497][T15833] RIP: 0033:0x7f682381254e [ 683.530499][T15833] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 683.530501][T15833] RSP: 002b:00007ffd251b5eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 683.530505][T15833] RAX: ffffffffffffffda RBX: 00007ffd251b6678 RCX: 00007f682381254e [ 683.530506][T15833] RDX: 0000000000000000 RSI: 00007ffd251b5f60 RDI: 0000000000000005 [ 683.530507][T15833] RBP: 00007ffd251b5ec0 R08: 0000000000000000 R09: 0000000000000000 [ 683.530508][T15833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913be4 [ 683.530509][T15833] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd251b6630 | [ 684.852759][T15902] softirqs last disabled at (0): 0x0 | [ 684.852761][T15902] Preemption disabled at: | [ 684.852762][T15902] vprintk_emit (kernel/printk/printk.c:2471) | [ 684.852772][T15902] Tainted: [W]=WARN [ 684.852773][T15902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 684.852775][T15902] Call Trace: [ 684.852777][T15902] [ 684.852778][T15902] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 684.852783][T15902] ? vprintk_emit (kernel/printk/printk.c:2471) [ 684.852785][T15902] __might_resched.cold (kernel/sched/core.c:9234) [ 684.852788][T15902] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 684.852792][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852795][T15902] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 684.852798][T15902] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 684.852801][T15902] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 684.852806][T15902] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 684.852808][T15902] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 684.852810][T15902] put_chars (drivers/char/virtio_console.c:1176) [ 684.852812][T15902] ? __send_to_port (drivers/char/virtio_console.c:654) [ 684.852813][T15902] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 684.852816][T15902] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 684.852818][T15902] ? pointer (lib/vsprintf.c:2577) [ 684.852821][T15902] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 684.852826][T15902] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 684.852828][T15902] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 684.852829][T15902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.852832][T15902] console_emit_next_record (kernel/printk/printk.c:3183) [ 684.852835][T15902] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 684.852837][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852838][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852839][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852840][T15902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.852842][T15902] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 684.852844][T15902] console_flush_one_record (kernel/printk/printk.c:3268) [ 684.852847][T15902] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 684.852850][T15902] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 684.852851][T15902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.852853][T15902] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 684.852855][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852856][T15902] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.852857][T15902] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 684.852859][T15902] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 684.852861][T15902] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 684.852862][T15902] ? vprintk_emit (kernel/printk/printk.c:2478) [ 684.852864][T15902] vprintk_emit (kernel/printk/printk.c:2479) [ 684.852866][T15902] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 684.852867][T15902] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 684.852869][T15902] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 684.852872][T15902] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 684.852875][T15902] _printk (kernel/printk/printk.c:2504) [ 684.852878][T15902] ? snapshot_read.cold (user.c:?) [ 684.852880][T15902] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 684.852882][T15902] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 684.852885][T15902] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 684.852887][T15902] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 684.852890][T15902] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 684.852893][T15902] ? netdev_notice (net/core/dev.c:13194) [ 684.852895][T15902] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 684.852896][T15902] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 684.852899][T15902] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 684.852901][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852902][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852903][T15902] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 684.852904][T15902] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 684.852906][T15902] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 684.852907][T15902] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 684.852909][T15902] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 684.852910][T15902] ? register_netdev (net/core/dev.c:11618) [ 684.852912][T15902] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.852914][T15902] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 684.852916][T15902] ? __kernel_text_address (kernel/extable.c:79) [ 684.852919][T15902] ? write_profile (profile.c:?) [ 684.852922][T15902] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 684.852925][T15902] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 684.852927][T15902] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 684.852929][T15902] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 684.852930][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852931][T15902] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 684.852934][T15902] ? kasan_save_stack (mm/kasan/common.c:58) [ 684.852936][T15902] ? kasan_save_stack (mm/kasan/common.c:57) [ 684.852937][T15902] ? kasan_save_track (mm/kasan/common.c:78) [ 684.852938][T15902] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 684.852940][T15902] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 684.852941][T15902] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 684.852942][T15902] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 684.852943][T15902] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 684.852946][T15902] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 684.852948][T15902] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 684.852949][T15902] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 684.852952][T15902] ? ____sys_sendmsg (net/socket.c:2713) [ 684.852953][T15902] ? ___sys_sendmsg (net/socket.c:2767) [ 684.852955][T15902] ? __sys_sendmsg (net/socket.c:2799) [ 684.852956][T15902] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 684.852959][T15902] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 684.852961][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852963][T15902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.852964][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852965][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852966][T15902] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 684.852968][T15902] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 684.852969][T15902] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 684.852970][T15902] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 684.852972][T15902] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 684.852973][T15902] ? nla_get_range_signed (lib/nlattr.c:270) [ 684.852976][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852977][T15902] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 684.852979][T15902] rtnl_newlink (net/core/rtnetlink.c:4215) [ 684.852981][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852982][T15902] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 684.852984][T15902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.852985][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852987][T15902] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 684.852989][T15902] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 684.852990][T15902] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 684.852992][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.852993][T15902] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 684.852996][T15902] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 684.852999][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.853000][T15902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.853001][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.853003][T15902] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 684.853004][T15902] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 684.853006][T15902] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 684.853007][T15902] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 684.853009][T15902] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 684.853011][T15902] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 684.853013][T15902] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 684.853014][T15902] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.853016][T15902] ? netlink_ack (./include/linux/skbuff.h:2718) [ 684.853018][T15902] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 684.853021][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.853022][T15902] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.853024][T15902] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 684.853026][T15902] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 684.853028][T15902] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 684.853030][T15902] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 684.853032][T15902] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 684.853033][T15902] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 684.853035][T15902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.853037][T15902] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 684.853040][T15902] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 684.853042][T15902] ____sys_sendmsg (net/socket.c:2713) [ 684.853044][T15902] ? copy_msghdr_from_user (net/socket.c:2650) [ 684.853045][T15902] ? sock_write_iter (net/socket.c:1269) [ 684.853047][T15902] ? move_addr_to_kernel (net/socket.c:258) [ 684.853048][T15902] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 684.853051][T15902] ___sys_sendmsg (net/socket.c:2767) [ 684.853053][T15902] ? copy_msghdr_from_user (net/socket.c:2619) [ 684.853058][T15902] __sys_sendmsg (net/socket.c:2799) [ 684.853059][T15902] ? __sys_sendmsg_sock (net/socket.c:2780) [ 684.853062][T15902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.853064][T15902] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 684.853066][T15902] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 684.853068][T15902] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 684.853069][T15902] RIP: 0033:0x7f0cf6ffb54e [ 684.853071][T15902] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 684.853073][T15902] RSP: 002b:00007fff8beaf540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 684.853076][T15902] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0cf6ffb54e [ 684.853078][T15902] RDX: 0000000000000000 RSI: 00007fff8beaf5f0 RDI: 0000000000000005 [ 684.853079][T15902] RBP: 00007fff8beaf550 R08: 0000000000000000 R09: 0000000000000000 [ 684.853080][T15902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913be6 [ 684.853081][T15902] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8beafcb0 | [ 685.908087][T15952] softirqs last disabled at (0): 0x0 | [ 685.908089][T15952] Preemption disabled at: | [ 685.908089][T15952] vprintk_emit (kernel/printk/printk.c:2471) | [ 685.908099][T15952] Tainted: [W]=WARN [ 685.908101][T15952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 685.908103][T15952] Call Trace: [ 685.908104][T15952] [ 685.908106][T15952] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 685.908111][T15952] ? vprintk_emit (kernel/printk/printk.c:2471) [ 685.908112][T15952] __might_resched.cold (kernel/sched/core.c:9234) [ 685.908116][T15952] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 685.908118][T15952] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 685.908121][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908124][T15952] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 685.908127][T15952] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 685.908130][T15952] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 685.908135][T15952] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 685.908137][T15952] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 685.908139][T15952] put_chars (drivers/char/virtio_console.c:1176) [ 685.908141][T15952] ? __send_to_port (drivers/char/virtio_console.c:654) [ 685.908143][T15952] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 685.908145][T15952] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 685.908150][T15952] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 685.908151][T15952] ? vsnprintf (lib/vsprintf.c:2900) [ 685.908155][T15952] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 685.908156][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908157][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908159][T15952] console_emit_next_record (kernel/printk/printk.c:3183) [ 685.908162][T15952] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 685.908166][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908167][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908168][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908169][T15952] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.908171][T15952] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 685.908173][T15952] console_flush_one_record (kernel/printk/printk.c:3268) [ 685.908175][T15952] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 685.908178][T15952] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 685.908180][T15952] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.908182][T15952] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 685.908184][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908184][T15952] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 685.908186][T15952] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 685.908188][T15952] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 685.908189][T15952] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 685.908192][T15952] ? vprintk_emit (kernel/printk/printk.c:2478) [ 685.908193][T15952] vprintk_emit (kernel/printk/printk.c:2479) [ 685.908195][T15952] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 685.908196][T15952] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 685.908197][T15952] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 685.908200][T15952] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.908202][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908203][T15952] _printk (kernel/printk/printk.c:2504) [ 685.908206][T15952] ? snapshot_read.cold (user.c:?) [ 685.908208][T15952] ? br_multicast_flood (??:?) [ 685.908212][T15952] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 685.908214][T15952] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 685.908215][T15952] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 685.908217][T15952] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 685.908220][T15952] br_init_port (net/bridge/br_stp_if.c:39) [ 685.908222][T15952] new_nbp (net/bridge/br_if.c:449) [ 685.908224][T15952] br_add_if (net/bridge/br_if.c:592) [ 685.908226][T15952] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 685.908230][T15952] do_set_master (net/core/rtnetlink.c:3071) [ 685.908232][T15952] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 685.908239][T15952] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 685.908240][T15952] ? __dev_get_by_name (net/core/dev.c:905) [ 685.908242][T15952] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 685.908246][T15952] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 685.908248][T15952] rtnl_newlink (net/core/rtnetlink.c:4215) [ 685.908250][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908252][T15952] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 685.908253][T15952] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.908255][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908256][T15952] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 685.908259][T15952] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 685.908261][T15952] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 685.908263][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908264][T15952] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.908266][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908267][T15952] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 685.908268][T15952] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 685.908270][T15952] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 685.908271][T15952] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 685.908273][T15952] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 685.908277][T15952] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 685.908280][T15952] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 685.908281][T15952] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 685.908283][T15952] ? netlink_ack (./include/linux/skbuff.h:2718) [ 685.908284][T15952] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 685.908287][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908289][T15952] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 685.908291][T15952] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 685.908293][T15952] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 685.908295][T15952] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 685.908297][T15952] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 685.908300][T15952] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 685.908302][T15952] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 685.908304][T15952] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.908306][T15952] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 685.908309][T15952] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 685.908312][T15952] ____sys_sendmsg (net/socket.c:2713) [ 685.908314][T15952] ? copy_msghdr_from_user (net/socket.c:2650) [ 685.908315][T15952] ? sock_write_iter (net/socket.c:1269) [ 685.908317][T15952] ? move_addr_to_kernel (net/socket.c:258) [ 685.908319][T15952] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 685.908322][T15952] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.908324][T15952] ___sys_sendmsg (net/socket.c:2767) [ 685.908326][T15952] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 685.908327][T15952] ? copy_msghdr_from_user (net/socket.c:2619) [ 685.908329][T15952] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 685.908334][T15952] __sys_sendmsg (net/socket.c:2799) [ 685.908336][T15952] ? __sys_sendmsg_sock (net/socket.c:2780) [ 685.908338][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908339][T15952] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.908341][T15952] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 685.908343][T15952] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 685.908345][T15952] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 685.908347][T15952] RIP: 0033:0x7f550116854e [ 685.908349][T15952] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 685.908351][T15952] RSP: 002b:00007ffce66161f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 685.908355][T15952] RAX: ffffffffffffffda RBX: 00007ffce66169b8 RCX: 00007f550116854e [ 685.908356][T15952] RDX: 0000000000000000 RSI: 00007ffce66162a0 RDI: 0000000000000005 [ 685.908357][T15952] RBP: 00007ffce6616200 R08: 0000000000000000 R09: 0000000000000000 [ 685.908358][T15952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913be7 [ 685.908359][T15952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce6616970 | [ 692.381768][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 692.381770][ T12] Preemption disabled at: | [ 692.381771][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 692.381781][ T12] Tainted: [W]=WARN [ 692.381783][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 692.381784][ T12] Workqueue: netns cleanup_net [ 692.381790][ T12] Call Trace: [ 692.381792][ T12] [ 692.381794][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 692.381799][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 692.381800][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 692.381804][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 692.381806][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 692.381810][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381812][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 692.381815][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.381818][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 692.381823][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 692.381825][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 692.381827][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 692.381829][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 692.381831][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 692.381833][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 692.381838][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 692.381840][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 692.381842][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.381844][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381845][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381847][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 692.381849][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 692.381852][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381853][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381854][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381855][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.381857][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 692.381859][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 692.381861][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 692.381864][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 692.381866][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.381868][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 692.381870][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381871][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 692.381872][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 692.381874][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 692.381875][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 692.381877][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 692.381878][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 692.381880][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 692.381881][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 692.381883][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 692.381886][ T12] ? kthread (kernel/kthread.c:436) [ 692.381888][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 692.381891][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 692.381894][ T12] _printk (kernel/printk/printk.c:2504) [ 692.381897][ T12] ? snapshot_read.cold (user.c:?) [ 692.381899][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 692.381902][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 692.381904][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 692.381906][ T12] ? netdev_notice (net/core/dev.c:13194) [ 692.381908][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381910][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 692.381911][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 692.381914][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 692.381915][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 692.381917][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 692.381919][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 692.381922][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 692.381926][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 692.381928][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 692.381930][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 692.381933][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 692.381934][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 692.381937][ T12] cleanup_net (net/core/net_namespace.c:706) [ 692.381939][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 692.381941][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 692.381943][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.381945][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.381946][ T12] process_one_work (kernel/workqueue.c:3387) [ 692.381949][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 692.381952][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.381954][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 692.381957][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 692.381959][ T12] kthread (kernel/kthread.c:436) [ 692.381961][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 692.381962][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 692.381964][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 692.381966][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 692.381968][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 692.381971][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 692.381973][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 693.619281][T16104] softirqs last disabled at (0): 0x0 | [ 693.619283][T16104] Preemption disabled at: | [ 693.619284][T16104] vprintk_emit (kernel/printk/printk.c:2471) | [ 693.619293][T16104] Tainted: [W]=WARN [ 693.619295][T16104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 693.619296][T16104] Call Trace: [ 693.619298][T16104] [ 693.619299][T16104] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 693.619305][T16104] ? vprintk_emit (kernel/printk/printk.c:2471) [ 693.619306][T16104] __might_resched.cold (kernel/sched/core.c:9234) [ 693.619310][T16104] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 693.619312][T16104] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 693.619316][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619318][T16104] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 693.619321][T16104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.619325][T16104] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 693.619330][T16104] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 693.619332][T16104] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 693.619335][T16104] put_chars (drivers/char/virtio_console.c:1176) [ 693.619336][T16104] ? __send_to_port (drivers/char/virtio_console.c:654) [ 693.619338][T16104] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 693.619341][T16104] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 693.619345][T16104] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 693.619347][T16104] ? vsnprintf (lib/vsprintf.c:2900) [ 693.619350][T16104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.619352][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619353][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619355][T16104] console_emit_next_record (kernel/printk/printk.c:3183) [ 693.619357][T16104] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 693.619359][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619360][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619361][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619362][T16104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.619365][T16104] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 693.619367][T16104] console_flush_one_record (kernel/printk/printk.c:3268) [ 693.619369][T16104] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 693.619372][T16104] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 693.619374][T16104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.619375][T16104] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 693.619377][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619378][T16104] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.619380][T16104] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 693.619381][T16104] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 693.619383][T16104] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 693.619385][T16104] ? vprintk_emit (kernel/printk/printk.c:2478) [ 693.619386][T16104] vprintk_emit (kernel/printk/printk.c:2479) [ 693.619388][T16104] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 693.619389][T16104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.619391][T16104] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 693.619393][T16104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.619395][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619396][T16104] _printk (kernel/printk/printk.c:2504) [ 693.619399][T16104] ? snapshot_read.cold (user.c:?) [ 693.619401][T16104] ? br_multicast_flood (??:?) [ 693.619405][T16104] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 693.619408][T16104] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 693.619409][T16104] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 693.619411][T16104] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 693.619413][T16104] br_init_port (net/bridge/br_stp_if.c:39) [ 693.619415][T16104] new_nbp (net/bridge/br_if.c:449) [ 693.619417][T16104] br_add_if (net/bridge/br_if.c:592) [ 693.619419][T16104] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 693.619423][T16104] do_set_master (net/core/rtnetlink.c:3071) [ 693.619425][T16104] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 693.619427][T16104] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 693.619428][T16104] ? __dev_get_by_name (net/core/dev.c:905) [ 693.619430][T16104] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 693.619434][T16104] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 693.619436][T16104] rtnl_newlink (net/core/rtnetlink.c:4215) [ 693.619438][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619440][T16104] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 693.619441][T16104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.619443][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619444][T16104] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 693.619447][T16104] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 693.619448][T16104] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 693.619451][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619452][T16104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.619454][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619455][T16104] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 693.619456][T16104] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 693.619458][T16104] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 693.619459][T16104] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 693.619461][T16104] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 693.619465][T16104] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 693.619467][T16104] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 693.619469][T16104] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.619470][T16104] ? netlink_ack (./include/linux/skbuff.h:2718) [ 693.619472][T16104] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 693.619475][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619476][T16104] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.619478][T16104] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 693.619480][T16104] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 693.619482][T16104] ? next_uptodate_folio (mm/filemap.c:3747) [ 693.619485][T16104] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 693.619487][T16104] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 693.619489][T16104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.619491][T16104] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 693.619494][T16104] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 693.619497][T16104] ____sys_sendmsg (net/socket.c:2713) [ 693.619499][T16104] ? copy_msghdr_from_user (net/socket.c:2650) [ 693.619501][T16104] ? sock_write_iter (net/socket.c:1269) [ 693.619502][T16104] ? move_addr_to_kernel (net/socket.c:258) [ 693.619504][T16104] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 693.619507][T16104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.619509][T16104] ___sys_sendmsg (net/socket.c:2767) [ 693.619511][T16104] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 693.619512][T16104] ? copy_msghdr_from_user (net/socket.c:2619) [ 693.619514][T16104] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 693.619518][T16104] __sys_sendmsg (net/socket.c:2799) [ 693.619521][T16104] ? __sys_sendmsg_sock (net/socket.c:2780) [ 693.619523][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619525][T16104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.619526][T16104] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 693.619529][T16104] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 693.619531][T16104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 693.619533][T16104] RIP: 0033:0x7f76c470a54e [ 693.619535][T16104] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 693.619536][T16104] RSP: 002b:00007ffc65df4400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 693.619540][T16104] RAX: ffffffffffffffda RBX: 00007ffc65df4bc8 RCX: 00007f76c470a54e [ 693.619541][T16104] RDX: 0000000000000000 RSI: 00007ffc65df44b0 RDI: 0000000000000005 [ 693.619542][T16104] RBP: 00007ffc65df4410 R08: 0000000000000000 R09: 0000000000000000 [ 693.619543][T16104] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bee [ 693.619544][T16104] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc65df4b80 | [ 694.949495][T16174] softirqs last disabled at (0): 0x0 | [ 694.949497][T16174] Preemption disabled at: | [ 694.949497][T16174] vprintk_emit (kernel/printk/printk.c:2471) | [ 694.949507][T16174] Tainted: [W]=WARN [ 694.949508][T16174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 694.949510][T16174] Call Trace: [ 694.949511][T16174] [ 694.949513][T16174] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 694.949518][T16174] ? vprintk_emit (kernel/printk/printk.c:2471) [ 694.949520][T16174] __might_resched.cold (kernel/sched/core.c:9234) [ 694.949523][T16174] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 694.949527][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949529][T16174] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 694.949532][T16174] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 694.949535][T16174] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 694.949540][T16174] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 694.949542][T16174] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 694.949544][T16174] put_chars (drivers/char/virtio_console.c:1176) [ 694.949546][T16174] ? __send_to_port (drivers/char/virtio_console.c:654) [ 694.949547][T16174] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 694.949549][T16174] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 694.949551][T16174] ? pointer (lib/vsprintf.c:2577) [ 694.949555][T16174] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 694.949560][T16174] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 694.949561][T16174] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 694.949563][T16174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.949566][T16174] console_emit_next_record (kernel/printk/printk.c:3183) [ 694.949568][T16174] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 694.949570][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949571][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949572][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949574][T16174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.949576][T16174] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 694.949577][T16174] console_flush_one_record (kernel/printk/printk.c:3268) [ 694.949580][T16174] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 694.949582][T16174] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 694.949584][T16174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.949586][T16174] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 694.949587][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949588][T16174] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.949590][T16174] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 694.949591][T16174] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 694.949593][T16174] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 694.949595][T16174] ? vprintk_emit (kernel/printk/printk.c:2478) [ 694.949596][T16174] vprintk_emit (kernel/printk/printk.c:2479) [ 694.949598][T16174] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 694.949599][T16174] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 694.949602][T16174] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 694.949605][T16174] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 694.949607][T16174] _printk (kernel/printk/printk.c:2504) [ 694.949610][T16174] ? snapshot_read.cold (user.c:?) [ 694.949612][T16174] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 694.949614][T16174] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 694.949617][T16174] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 694.949619][T16174] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 694.949622][T16174] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 694.949625][T16174] ? netdev_notice (net/core/dev.c:13194) [ 694.949627][T16174] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 694.949628][T16174] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 694.949631][T16174] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 694.949632][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949633][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949634][T16174] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 694.949636][T16174] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 694.949637][T16174] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 694.949639][T16174] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 694.949640][T16174] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 694.949642][T16174] ? register_netdev (net/core/dev.c:11618) [ 694.949643][T16174] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.949645][T16174] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 694.949648][T16174] ? __kernel_text_address (kernel/extable.c:79) [ 694.949650][T16174] ? write_profile (profile.c:?) [ 694.949653][T16174] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 694.949656][T16174] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 694.949658][T16174] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 694.949660][T16174] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 694.949661][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949662][T16174] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 694.949665][T16174] ? kasan_save_stack (mm/kasan/common.c:58) [ 694.949667][T16174] ? kasan_save_stack (mm/kasan/common.c:57) [ 694.949668][T16174] ? kasan_save_track (mm/kasan/common.c:78) [ 694.949669][T16174] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 694.949670][T16174] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 694.949672][T16174] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 694.949673][T16174] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 694.949674][T16174] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 694.949677][T16174] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 694.949678][T16174] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 694.949680][T16174] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 694.949682][T16174] ? ____sys_sendmsg (net/socket.c:2713) [ 694.949684][T16174] ? ___sys_sendmsg (net/socket.c:2767) [ 694.949685][T16174] ? __sys_sendmsg (net/socket.c:2799) [ 694.949687][T16174] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 694.949689][T16174] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 694.949692][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949693][T16174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.949694][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949695][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949696][T16174] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 694.949698][T16174] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 694.949699][T16174] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 694.949700][T16174] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 694.949702][T16174] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 694.949703][T16174] ? nla_get_range_signed (lib/nlattr.c:270) [ 694.949706][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949707][T16174] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 694.949709][T16174] rtnl_newlink (net/core/rtnetlink.c:4215) [ 694.949712][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949713][T16174] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 694.949714][T16174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.949715][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949717][T16174] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 694.949719][T16174] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 694.949720][T16174] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 694.949722][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949723][T16174] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 694.949726][T16174] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 694.949728][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949729][T16174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.949731][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949732][T16174] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 694.949733][T16174] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 694.949735][T16174] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 694.949736][T16174] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 694.949738][T16174] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 694.949740][T16174] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 694.949742][T16174] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 694.949743][T16174] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.949745][T16174] ? netlink_ack (./include/linux/skbuff.h:2718) [ 694.949746][T16174] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 694.949749][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949751][T16174] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.949753][T16174] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 694.949755][T16174] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 694.949756][T16174] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 694.949758][T16174] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 694.949760][T16174] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 694.949762][T16174] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 694.949764][T16174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.949765][T16174] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 694.949768][T16174] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 694.949770][T16174] ____sys_sendmsg (net/socket.c:2713) [ 694.949772][T16174] ? copy_msghdr_from_user (net/socket.c:2650) [ 694.949773][T16174] ? sock_write_iter (net/socket.c:1269) [ 694.949775][T16174] ? move_addr_to_kernel (net/socket.c:258) [ 694.949776][T16174] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 694.949779][T16174] ___sys_sendmsg (net/socket.c:2767) [ 694.949781][T16174] ? copy_msghdr_from_user (net/socket.c:2619) [ 694.949785][T16174] __sys_sendmsg (net/socket.c:2799) [ 694.949787][T16174] ? __sys_sendmsg_sock (net/socket.c:2780) [ 694.949790][T16174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.949792][T16174] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 694.949793][T16174] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 694.949795][T16174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 694.949797][T16174] RIP: 0033:0x7fa73fbd954e [ 694.949799][T16174] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 694.949800][T16174] RSP: 002b:00007ffeeafc9cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 694.949804][T16174] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa73fbd954e [ 694.949805][T16174] RDX: 0000000000000000 RSI: 00007ffeeafc9d60 RDI: 0000000000000005 [ 694.949806][T16174] RBP: 00007ffeeafc9cc0 R08: 0000000000000000 R09: 0000000000000000 [ 694.949807][T16174] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bf0 [ 694.949808][T16174] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeeafca420 | [ 696.013700][T16231] softirqs last disabled at (0): 0x0 | [ 696.013702][T16231] Preemption disabled at: | [ 696.013703][T16231] vprintk_emit (kernel/printk/printk.c:2471) | [ 696.013712][T16231] Tainted: [W]=WARN [ 696.013713][T16231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 696.013715][T16231] Call Trace: [ 696.013717][T16231] [ 696.013718][T16231] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 696.013724][T16231] ? vprintk_emit (kernel/printk/printk.c:2471) [ 696.013725][T16231] __might_resched.cold (kernel/sched/core.c:9234) [ 696.013729][T16231] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 696.013731][T16231] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 696.013734][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013737][T16231] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 696.013740][T16231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 696.013743][T16231] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 696.013748][T16231] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 696.013750][T16231] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 696.013752][T16231] put_chars (drivers/char/virtio_console.c:1176) [ 696.013754][T16231] ? __send_to_port (drivers/char/virtio_console.c:654) [ 696.013756][T16231] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 696.013758][T16231] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 696.013763][T16231] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 696.013765][T16231] ? vsnprintf (lib/vsprintf.c:2900) [ 696.013768][T16231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 696.013770][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013771][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013773][T16231] console_emit_next_record (kernel/printk/printk.c:3183) [ 696.013776][T16231] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 696.013778][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013779][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013780][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013781][T16231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 696.013783][T16231] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 696.013785][T16231] console_flush_one_record (kernel/printk/printk.c:3268) [ 696.013788][T16231] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 696.013791][T16231] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 696.013792][T16231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 696.013794][T16231] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 696.013796][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013797][T16231] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 696.013798][T16231] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 696.013800][T16231] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 696.013801][T16231] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 696.013803][T16231] ? vprintk_emit (kernel/printk/printk.c:2478) [ 696.013805][T16231] vprintk_emit (kernel/printk/printk.c:2479) [ 696.013807][T16231] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 696.013808][T16231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 696.013809][T16231] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 696.013812][T16231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 696.013814][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013815][T16231] _printk (kernel/printk/printk.c:2504) [ 696.013818][T16231] ? snapshot_read.cold (user.c:?) [ 696.013820][T16231] ? br_multicast_flood (??:?) [ 696.013824][T16231] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 696.013826][T16231] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 696.013827][T16231] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 696.013829][T16231] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 696.013832][T16231] br_init_port (net/bridge/br_stp_if.c:39) [ 696.013834][T16231] new_nbp (net/bridge/br_if.c:449) [ 696.013836][T16231] br_add_if (net/bridge/br_if.c:592) [ 696.013838][T16231] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 696.013842][T16231] do_set_master (net/core/rtnetlink.c:3071) [ 696.013844][T16231] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 696.013846][T16231] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 696.013847][T16231] ? __dev_get_by_name (net/core/dev.c:905) [ 696.013849][T16231] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 696.013853][T16231] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 696.013856][T16231] rtnl_newlink (net/core/rtnetlink.c:4215) [ 696.013858][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013859][T16231] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 696.013860][T16231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 696.013862][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013863][T16231] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 696.013866][T16231] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 696.013868][T16231] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 696.013870][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013871][T16231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 696.013873][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013874][T16231] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 696.013876][T16231] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 696.013877][T16231] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 696.013879][T16231] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 696.013880][T16231] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 696.013884][T16231] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 696.013887][T16231] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 696.013888][T16231] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 696.013890][T16231] ? netlink_ack (./include/linux/skbuff.h:2718) [ 696.013891][T16231] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 696.013894][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013895][T16231] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 696.013897][T16231] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 696.013899][T16231] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 696.013901][T16231] ? next_uptodate_folio (mm/filemap.c:3747) [ 696.013904][T16231] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 696.013906][T16231] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 696.013908][T16231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 696.013910][T16231] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 696.013913][T16231] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 696.013916][T16231] ____sys_sendmsg (net/socket.c:2713) [ 696.013918][T16231] ? copy_msghdr_from_user (net/socket.c:2650) [ 696.013919][T16231] ? sock_write_iter (net/socket.c:1269) [ 696.013921][T16231] ? move_addr_to_kernel (net/socket.c:258) [ 696.013923][T16231] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 696.013926][T16231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 696.013927][T16231] ___sys_sendmsg (net/socket.c:2767) [ 696.013929][T16231] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 696.013931][T16231] ? copy_msghdr_from_user (net/socket.c:2619) [ 696.013932][T16231] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 696.013937][T16231] __sys_sendmsg (net/socket.c:2799) [ 696.013939][T16231] ? __sys_sendmsg_sock (net/socket.c:2780) [ 696.013942][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013943][T16231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 696.013945][T16231] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 696.013947][T16231] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 696.013949][T16231] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 696.013951][T16231] RIP: 0033:0x7f916ebe154e [ 696.013953][T16231] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 696.013955][T16231] RSP: 002b:00007ffc5feaaa50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 696.013958][T16231] RAX: ffffffffffffffda RBX: 00007ffc5feab218 RCX: 00007f916ebe154e [ 696.013960][T16231] RDX: 0000000000000000 RSI: 00007ffc5feaab00 RDI: 0000000000000005 [ 696.013961][T16231] RBP: 00007ffc5feaaa60 R08: 0000000000000000 R09: 0000000000000000 [ 696.013962][T16231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bf1 [ 696.013963][T16231] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5feab1d0 | [ 702.464674][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 702.464676][ T12] Preemption disabled at: | [ 702.464677][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 702.464688][ T12] Tainted: [W]=WARN [ 702.464689][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 702.464691][ T12] Workqueue: netns cleanup_net [ 702.464697][ T12] Call Trace: [ 702.464698][ T12] [ 702.464700][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 702.464706][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 702.464707][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 702.464711][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 702.464713][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 702.464716][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464719][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 702.464721][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.464725][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 702.464729][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 702.464731][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 702.464734][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 702.464736][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 702.464738][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 702.464740][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 702.464745][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 702.464746][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 702.464749][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.464750][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464751][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464753][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 702.464756][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 702.464758][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464759][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464760][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464761][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.464763][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 702.464765][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 702.464768][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 702.464771][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 702.464772][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.464774][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 702.464776][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464777][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 702.464778][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 702.464780][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 702.464781][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 702.464783][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 702.464785][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 702.464787][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 702.464788][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 702.464789][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 702.464792][ T12] ? kthread (kernel/kthread.c:436) [ 702.464794][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 702.464797][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 702.464800][ T12] _printk (kernel/printk/printk.c:2504) [ 702.464803][ T12] ? snapshot_read.cold (user.c:?) [ 702.464805][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 702.464808][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 702.464810][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 702.464812][ T12] ? netdev_notice (net/core/dev.c:13194) [ 702.464815][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464816][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 702.464817][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 702.464820][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 702.464822][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 702.464823][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 702.464826][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 702.464828][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 702.464832][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 702.464834][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 702.464837][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 702.464839][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 702.464841][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 702.464844][ T12] cleanup_net (net/core/net_namespace.c:706) [ 702.464845][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 702.464847][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.464849][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.464851][ T12] process_one_work (kernel/workqueue.c:3387) [ 702.464853][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 702.464856][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.464858][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 702.464861][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 702.464863][ T12] kthread (kernel/kthread.c:436) [ 702.464865][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 702.464867][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 702.464868][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 702.464870][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 702.464872][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 702.464875][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 702.464877][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 703.645842][T16383] softirqs last disabled at (0): 0x0 | [ 703.645844][T16383] Preemption disabled at: | [ 703.645845][T16383] vprintk_emit (kernel/printk/printk.c:2471) | [ 703.645855][T16383] Tainted: [W]=WARN [ 703.645856][T16383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 703.645857][T16383] Call Trace: [ 703.645859][T16383] [ 703.645860][T16383] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 703.645865][T16383] ? vprintk_emit (kernel/printk/printk.c:2471) [ 703.645867][T16383] __might_resched.cold (kernel/sched/core.c:9234) [ 703.645871][T16383] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 703.645873][T16383] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 703.645876][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645879][T16383] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 703.645881][T16383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 703.645884][T16383] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 703.645890][T16383] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 703.645891][T16383] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 703.645894][T16383] put_chars (drivers/char/virtio_console.c:1176) [ 703.645896][T16383] ? __send_to_port (drivers/char/virtio_console.c:654) [ 703.645897][T16383] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 703.645900][T16383] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 703.645905][T16383] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 703.645906][T16383] ? vsnprintf (lib/vsprintf.c:2900) [ 703.645910][T16383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 703.645911][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645912][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645914][T16383] console_emit_next_record (kernel/printk/printk.c:3183) [ 703.645917][T16383] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 703.645919][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645920][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645921][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645922][T16383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.645924][T16383] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 703.645926][T16383] console_flush_one_record (kernel/printk/printk.c:3268) [ 703.645929][T16383] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 703.645931][T16383] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 703.645933][T16383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.645935][T16383] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 703.645937][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645938][T16383] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 703.645939][T16383] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 703.645941][T16383] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 703.645943][T16383] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 703.645945][T16383] ? vprintk_emit (kernel/printk/printk.c:2478) [ 703.645946][T16383] vprintk_emit (kernel/printk/printk.c:2479) [ 703.645948][T16383] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 703.645949][T16383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 703.645951][T16383] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 703.645954][T16383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.645955][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.645957][T16383] _printk (kernel/printk/printk.c:2504) [ 703.645960][T16383] ? snapshot_read.cold (user.c:?) [ 703.645962][T16383] ? br_multicast_flood (??:?) [ 703.645965][T16383] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 703.645968][T16383] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 703.645969][T16383] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 703.645971][T16383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 703.645974][T16383] br_init_port (net/bridge/br_stp_if.c:39) [ 703.645976][T16383] new_nbp (net/bridge/br_if.c:449) [ 703.645978][T16383] br_add_if (net/bridge/br_if.c:592) [ 703.645980][T16383] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 703.645984][T16383] do_set_master (net/core/rtnetlink.c:3071) [ 703.645986][T16383] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 703.645988][T16383] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 703.645989][T16383] ? __dev_get_by_name (net/core/dev.c:905) [ 703.645991][T16383] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 703.645995][T16383] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 703.645997][T16383] rtnl_newlink (net/core/rtnetlink.c:4215) [ 703.645999][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.646001][T16383] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 703.646002][T16383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.646003][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.646005][T16383] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 703.646008][T16383] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 703.646009][T16383] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 703.646012][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.646013][T16383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.646014][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.646016][T16383] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 703.646017][T16383] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 703.646019][T16383] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 703.646020][T16383] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 703.646022][T16383] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 703.646025][T16383] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 703.646028][T16383] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 703.646030][T16383] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 703.646031][T16383] ? netlink_ack (./include/linux/skbuff.h:2718) [ 703.646033][T16383] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 703.646036][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.646038][T16383] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 703.646040][T16383] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 703.646042][T16383] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 703.646044][T16383] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 703.646047][T16383] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 703.646049][T16383] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 703.646052][T16383] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 703.646054][T16383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.646055][T16383] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 703.646059][T16383] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 703.646062][T16383] ____sys_sendmsg (net/socket.c:2713) [ 703.646063][T16383] ? copy_msghdr_from_user (net/socket.c:2650) [ 703.646065][T16383] ? sock_write_iter (net/socket.c:1269) [ 703.646067][T16383] ? move_addr_to_kernel (net/socket.c:258) [ 703.646069][T16383] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 703.646071][T16383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.646073][T16383] ___sys_sendmsg (net/socket.c:2767) [ 703.646075][T16383] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 703.646077][T16383] ? copy_msghdr_from_user (net/socket.c:2619) [ 703.646078][T16383] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 703.646083][T16383] __sys_sendmsg (net/socket.c:2799) [ 703.646085][T16383] ? __sys_sendmsg_sock (net/socket.c:2780) [ 703.646088][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.646089][T16383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.646090][T16383] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 703.646093][T16383] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 703.646095][T16383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 703.646097][T16383] RIP: 0033:0x7fa8dff9154e [ 703.646098][T16383] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 703.646100][T16383] RSP: 002b:00007ffeebc19e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 703.646104][T16383] RAX: ffffffffffffffda RBX: 00007ffeebc1a638 RCX: 00007fa8dff9154e [ 703.646105][T16383] RDX: 0000000000000000 RSI: 00007ffeebc19f20 RDI: 0000000000000005 [ 703.646106][T16383] RBP: 00007ffeebc19e80 R08: 0000000000000000 R09: 0000000000000000 [ 703.646107][T16383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bf8 [ 703.646108][T16383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeebc1a5f0 | [ 704.934610][T16451] softirqs last disabled at (0): 0x0 | [ 704.934612][T16451] Preemption disabled at: | [ 704.934613][T16451] vprintk_emit (kernel/printk/printk.c:2471) | [ 704.934623][T16451] Tainted: [W]=WARN [ 704.934624][T16451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 704.934626][T16451] Call Trace: [ 704.934628][T16451] [ 704.934629][T16451] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 704.934634][T16451] ? vprintk_emit (kernel/printk/printk.c:2471) [ 704.934636][T16451] __might_resched.cold (kernel/sched/core.c:9234) [ 704.934639][T16451] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 704.934643][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934645][T16451] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 704.934648][T16451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.934651][T16451] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 704.934656][T16451] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 704.934657][T16451] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 704.934660][T16451] put_chars (drivers/char/virtio_console.c:1176) [ 704.934662][T16451] ? __send_to_port (drivers/char/virtio_console.c:654) [ 704.934663][T16451] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 704.934665][T16451] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 704.934667][T16451] ? pointer (lib/vsprintf.c:2577) [ 704.934671][T16451] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 704.934675][T16451] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 704.934677][T16451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.934679][T16451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.934682][T16451] console_emit_next_record (kernel/printk/printk.c:3183) [ 704.934684][T16451] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 704.934687][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934688][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934689][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934690][T16451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.934692][T16451] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 704.934694][T16451] console_flush_one_record (kernel/printk/printk.c:3268) [ 704.934696][T16451] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 704.934699][T16451] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 704.934701][T16451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.934702][T16451] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 704.934704][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934705][T16451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.934707][T16451] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 704.934708][T16451] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 704.934710][T16451] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 704.934711][T16451] ? vprintk_emit (kernel/printk/printk.c:2478) [ 704.934713][T16451] vprintk_emit (kernel/printk/printk.c:2479) [ 704.934715][T16451] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 704.934716][T16451] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 704.934718][T16451] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 704.934721][T16451] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 704.934724][T16451] _printk (kernel/printk/printk.c:2504) [ 704.934727][T16451] ? snapshot_read.cold (user.c:?) [ 704.934728][T16451] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 704.934731][T16451] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 704.934734][T16451] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 704.934736][T16451] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 704.934739][T16451] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 704.934741][T16451] ? netdev_notice (net/core/dev.c:13194) [ 704.934743][T16451] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 704.934745][T16451] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 704.934747][T16451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.934749][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934750][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934751][T16451] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 704.934752][T16451] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 704.934754][T16451] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 704.934755][T16451] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 704.934757][T16451] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 704.934759][T16451] ? register_netdev (net/core/dev.c:11618) [ 704.934760][T16451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.934762][T16451] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 704.934764][T16451] ? __kernel_text_address (kernel/extable.c:79) [ 704.934767][T16451] ? write_profile (profile.c:?) [ 704.934770][T16451] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 704.934773][T16451] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 704.934775][T16451] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 704.934777][T16451] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 704.934778][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934779][T16451] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 704.934783][T16451] ? kasan_save_stack (mm/kasan/common.c:58) [ 704.934784][T16451] ? kasan_save_stack (mm/kasan/common.c:57) [ 704.934785][T16451] ? kasan_save_track (mm/kasan/common.c:78) [ 704.934787][T16451] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 704.934788][T16451] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 704.934789][T16451] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 704.934790][T16451] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 704.934792][T16451] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 704.934794][T16451] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 704.934796][T16451] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 704.934797][T16451] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 704.934800][T16451] ? ____sys_sendmsg (net/socket.c:2713) [ 704.934801][T16451] ? ___sys_sendmsg (net/socket.c:2767) [ 704.934803][T16451] ? __sys_sendmsg (net/socket.c:2799) [ 704.934805][T16451] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 704.934807][T16451] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 704.934810][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934811][T16451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.934812][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934813][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934814][T16451] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 704.934816][T16451] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 704.934817][T16451] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 704.934818][T16451] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 704.934820][T16451] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 704.934821][T16451] ? nla_get_range_signed (lib/nlattr.c:270) [ 704.934824][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934826][T16451] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 704.934828][T16451] rtnl_newlink (net/core/rtnetlink.c:4215) [ 704.934830][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934831][T16451] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 704.934832][T16451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.934834][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934835][T16451] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 704.934837][T16451] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 704.934839][T16451] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 704.934840][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934841][T16451] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 704.934845][T16451] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 704.934847][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934848][T16451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.934849][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934851][T16451] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 704.934852][T16451] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 704.934854][T16451] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 704.934855][T16451] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 704.934857][T16451] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 704.934859][T16451] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 704.934861][T16451] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 704.934862][T16451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.934864][T16451] ? netlink_ack (./include/linux/skbuff.h:2718) [ 704.934866][T16451] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 704.934869][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934870][T16451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.934872][T16451] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 704.934874][T16451] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 704.934876][T16451] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 704.934878][T16451] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 704.934880][T16451] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 704.934882][T16451] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 704.934883][T16451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.934885][T16451] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 704.934888][T16451] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 704.934890][T16451] ____sys_sendmsg (net/socket.c:2713) [ 704.934892][T16451] ? copy_msghdr_from_user (net/socket.c:2650) [ 704.934893][T16451] ? sock_write_iter (net/socket.c:1269) [ 704.934895][T16451] ? move_addr_to_kernel (net/socket.c:258) [ 704.934896][T16451] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 704.934899][T16451] ___sys_sendmsg (net/socket.c:2767) [ 704.934901][T16451] ? copy_msghdr_from_user (net/socket.c:2619) [ 704.934906][T16451] __sys_sendmsg (net/socket.c:2799) [ 704.934908][T16451] ? __sys_sendmsg_sock (net/socket.c:2780) [ 704.934910][T16451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.934912][T16451] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 704.934914][T16451] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 704.934916][T16451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 704.934917][T16451] RIP: 0033:0x7f8b4981e54e [ 704.934919][T16451] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 704.934921][T16451] RSP: 002b:00007ffcdfff62f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 704.934924][T16451] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8b4981e54e [ 704.934926][T16451] RDX: 0000000000000000 RSI: 00007ffcdfff63a0 RDI: 0000000000000005 [ 704.934927][T16451] RBP: 00007ffcdfff6300 R08: 0000000000000000 R09: 0000000000000000 [ 704.934927][T16451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bfa [ 704.934928][T16451] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdfff6a60 | [ 706.015434][T16509] softirqs last disabled at (0): 0x0 | [ 706.015435][T16509] Preemption disabled at: | [ 706.015436][T16509] vprintk_emit (kernel/printk/printk.c:2471) | [ 706.015446][T16509] Tainted: [W]=WARN [ 706.015447][T16509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 706.015449][T16509] Call Trace: [ 706.015450][T16509] [ 706.015452][T16509] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 706.015457][T16509] ? vprintk_emit (kernel/printk/printk.c:2471) [ 706.015458][T16509] __might_resched.cold (kernel/sched/core.c:9234) [ 706.015462][T16509] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 706.015464][T16509] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 706.015467][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015470][T16509] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 706.015473][T16509] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 706.015476][T16509] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 706.015481][T16509] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 706.015483][T16509] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 706.015486][T16509] put_chars (drivers/char/virtio_console.c:1176) [ 706.015487][T16509] ? __send_to_port (drivers/char/virtio_console.c:654) [ 706.015489][T16509] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 706.015491][T16509] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 706.015496][T16509] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 706.015498][T16509] ? vsnprintf (lib/vsprintf.c:2900) [ 706.015501][T16509] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 706.015503][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015504][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015505][T16509] console_emit_next_record (kernel/printk/printk.c:3183) [ 706.015508][T16509] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 706.015510][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015511][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015512][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015513][T16509] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.015515][T16509] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 706.015517][T16509] console_flush_one_record (kernel/printk/printk.c:3268) [ 706.015519][T16509] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 706.015522][T16509] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 706.015524][T16509] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.015526][T16509] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 706.015528][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015529][T16509] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 706.015530][T16509] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 706.015532][T16509] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 706.015533][T16509] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 706.015535][T16509] ? vprintk_emit (kernel/printk/printk.c:2478) [ 706.015537][T16509] vprintk_emit (kernel/printk/printk.c:2479) [ 706.015538][T16509] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 706.015539][T16509] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 706.015541][T16509] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 706.015544][T16509] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.015545][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015547][T16509] _printk (kernel/printk/printk.c:2504) [ 706.015550][T16509] ? snapshot_read.cold (user.c:?) [ 706.015552][T16509] ? br_multicast_flood (??:?) [ 706.015555][T16509] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 706.015558][T16509] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 706.015559][T16509] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 706.015561][T16509] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 706.015563][T16509] br_init_port (net/bridge/br_stp_if.c:39) [ 706.015565][T16509] new_nbp (net/bridge/br_if.c:449) [ 706.015567][T16509] br_add_if (net/bridge/br_if.c:592) [ 706.015569][T16509] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 706.015573][T16509] do_set_master (net/core/rtnetlink.c:3071) [ 706.015575][T16509] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 706.015577][T16509] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 706.015578][T16509] ? __dev_get_by_name (net/core/dev.c:905) [ 706.015580][T16509] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 706.015584][T16509] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 706.015586][T16509] rtnl_newlink (net/core/rtnetlink.c:4215) [ 706.015588][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015589][T16509] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 706.015590][T16509] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.015592][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015593][T16509] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 706.015596][T16509] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 706.015598][T16509] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 706.015600][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015601][T16509] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.015603][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015604][T16509] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 706.015605][T16509] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 706.015607][T16509] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 706.015608][T16509] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 706.015610][T16509] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 706.015614][T16509] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 706.015617][T16509] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 706.015618][T16509] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 706.015620][T16509] ? netlink_ack (./include/linux/skbuff.h:2718) [ 706.015621][T16509] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 706.015625][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015626][T16509] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 706.015628][T16509] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 706.015630][T16509] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 706.015632][T16509] ? next_uptodate_folio (mm/filemap.c:3747) [ 706.015635][T16509] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 706.015637][T16509] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 706.015639][T16509] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.015641][T16509] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 706.015644][T16509] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 706.015647][T16509] ____sys_sendmsg (net/socket.c:2713) [ 706.015649][T16509] ? copy_msghdr_from_user (net/socket.c:2650) [ 706.015651][T16509] ? sock_write_iter (net/socket.c:1269) [ 706.015652][T16509] ? move_addr_to_kernel (net/socket.c:258) [ 706.015654][T16509] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 706.015657][T16509] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.015659][T16509] ___sys_sendmsg (net/socket.c:2767) [ 706.015660][T16509] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 706.015662][T16509] ? copy_msghdr_from_user (net/socket.c:2619) [ 706.015663][T16509] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 706.015668][T16509] __sys_sendmsg (net/socket.c:2799) [ 706.015670][T16509] ? __sys_sendmsg_sock (net/socket.c:2780) [ 706.015673][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015674][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.015675][T16509] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 706.015678][T16509] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 706.015680][T16509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 706.015682][T16509] RIP: 0033:0x7f37dc52654e [ 706.015684][T16509] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 706.015686][T16509] RSP: 002b:00007ffc4ee49f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 706.015689][T16509] RAX: ffffffffffffffda RBX: 00007ffc4ee4a718 RCX: 00007f37dc52654e [ 706.015690][T16509] RDX: 0000000000000000 RSI: 00007ffc4ee4a000 RDI: 0000000000000005 [ 706.015691][T16509] RBP: 00007ffc4ee49f60 R08: 0000000000000000 R09: 0000000000000000 [ 706.015692][T16509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bfb [ 706.015693][T16509] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4ee4a6d0 | [ 712.469343][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 712.469345][ T12] Preemption disabled at: | [ 712.469346][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 712.469356][ T12] Tainted: [W]=WARN [ 712.469357][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 712.469359][ T12] Workqueue: netns cleanup_net [ 712.469365][ T12] Call Trace: [ 712.469367][ T12] [ 712.469368][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 712.469374][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 712.469375][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 712.469379][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 712.469381][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 712.469385][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469387][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 712.469390][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 712.469393][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 712.469398][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 712.469399][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 712.469402][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 712.469404][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 712.469406][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 712.469408][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 712.469413][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 712.469414][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 712.469417][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 712.469418][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469419][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469421][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 712.469424][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 712.469426][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469427][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469428][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469429][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 712.469432][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 712.469434][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 712.469436][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 712.469439][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 712.469441][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 712.469442][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 712.469444][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469445][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 712.469447][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 712.469448][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 712.469450][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 712.469452][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 712.469453][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 712.469455][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 712.469456][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 712.469458][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 712.469460][ T12] ? kthread (kernel/kthread.c:436) [ 712.469463][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 712.469466][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 712.469468][ T12] _printk (kernel/printk/printk.c:2504) [ 712.469471][ T12] ? snapshot_read.cold (user.c:?) [ 712.469473][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 712.469477][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 712.469479][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 712.469481][ T12] ? netdev_notice (net/core/dev.c:13194) [ 712.469483][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469484][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 712.469486][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 712.469489][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 712.469490][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 712.469491][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 712.469494][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 712.469496][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 712.469500][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 712.469502][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 712.469504][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 712.469506][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 712.469508][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 712.469511][ T12] cleanup_net (net/core/net_namespace.c:706) [ 712.469513][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 712.469514][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 712.469517][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 712.469519][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.469520][ T12] process_one_work (kernel/workqueue.c:3387) [ 712.469523][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 712.469526][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 712.469528][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 712.469531][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 712.469533][ T12] kthread (kernel/kthread.c:436) [ 712.469535][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 712.469537][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 712.469538][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 712.469540][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 712.469542][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 712.469545][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 712.469547][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 713.672093][T16662] softirqs last disabled at (0): 0x0 | [ 713.672094][T16662] Preemption disabled at: | [ 713.672095][T16662] vprintk_emit (kernel/printk/printk.c:2471) | [ 713.672105][T16662] Tainted: [W]=WARN [ 713.672106][T16662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 713.672108][T16662] Call Trace: [ 713.672110][T16662] [ 713.672111][T16662] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 713.672117][T16662] ? vprintk_emit (kernel/printk/printk.c:2471) [ 713.672118][T16662] __might_resched.cold (kernel/sched/core.c:9234) [ 713.672122][T16662] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 713.672124][T16662] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 713.672127][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672130][T16662] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 713.672133][T16662] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.672136][T16662] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 713.672141][T16662] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 713.672143][T16662] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 713.672146][T16662] put_chars (drivers/char/virtio_console.c:1176) [ 713.672147][T16662] ? __send_to_port (drivers/char/virtio_console.c:654) [ 713.672149][T16662] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 713.672151][T16662] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 713.672156][T16662] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 713.672158][T16662] ? vsnprintf (lib/vsprintf.c:2900) [ 713.672161][T16662] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.672162][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672166][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672168][T16662] console_emit_next_record (kernel/printk/printk.c:3183) [ 713.672170][T16662] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 713.672172][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672174][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672174][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672176][T16662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.672178][T16662] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 713.672180][T16662] console_flush_one_record (kernel/printk/printk.c:3268) [ 713.672183][T16662] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 713.672185][T16662] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 713.672187][T16662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.672189][T16662] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 713.672190][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672191][T16662] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 713.672193][T16662] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 713.672194][T16662] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 713.672196][T16662] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 713.672198][T16662] ? vprintk_emit (kernel/printk/printk.c:2478) [ 713.672199][T16662] vprintk_emit (kernel/printk/printk.c:2479) [ 713.672201][T16662] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 713.672202][T16662] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.672204][T16662] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 713.672207][T16662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.672208][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672210][T16662] _printk (kernel/printk/printk.c:2504) [ 713.672213][T16662] ? snapshot_read.cold (user.c:?) [ 713.672215][T16662] ? br_multicast_flood (??:?) [ 713.672219][T16662] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 713.672221][T16662] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 713.672222][T16662] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 713.672224][T16662] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 713.672227][T16662] br_init_port (net/bridge/br_stp_if.c:39) [ 713.672229][T16662] new_nbp (net/bridge/br_if.c:449) [ 713.672231][T16662] br_add_if (net/bridge/br_if.c:592) [ 713.672233][T16662] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 713.672237][T16662] do_set_master (net/core/rtnetlink.c:3071) [ 713.672239][T16662] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 713.672241][T16662] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 713.672242][T16662] ? __dev_get_by_name (net/core/dev.c:905) [ 713.672244][T16662] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 713.672247][T16662] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 713.672250][T16662] rtnl_newlink (net/core/rtnetlink.c:4215) [ 713.672252][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672253][T16662] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 713.672255][T16662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.672256][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672257][T16662] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 713.672260][T16662] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 713.672262][T16662] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 713.672264][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672265][T16662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.672267][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672268][T16662] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 713.672270][T16662] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 713.672271][T16662] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 713.672273][T16662] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 713.672274][T16662] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 713.672278][T16662] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 713.672281][T16662] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 713.672282][T16662] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 713.672284][T16662] ? netlink_ack (./include/linux/skbuff.h:2718) [ 713.672285][T16662] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 713.672288][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672289][T16662] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 713.672292][T16662] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 713.672294][T16662] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 713.672296][T16662] ? next_uptodate_folio (mm/filemap.c:3747) [ 713.672299][T16662] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 713.672301][T16662] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 713.672303][T16662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.672304][T16662] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 713.672308][T16662] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 713.672311][T16662] ____sys_sendmsg (net/socket.c:2713) [ 713.672313][T16662] ? copy_msghdr_from_user (net/socket.c:2650) [ 713.672314][T16662] ? sock_write_iter (net/socket.c:1269) [ 713.672316][T16662] ? move_addr_to_kernel (net/socket.c:258) [ 713.672318][T16662] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 713.672320][T16662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.672322][T16662] ___sys_sendmsg (net/socket.c:2767) [ 713.672324][T16662] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 713.672326][T16662] ? copy_msghdr_from_user (net/socket.c:2619) [ 713.672327][T16662] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 713.672336][T16662] __sys_sendmsg (net/socket.c:2799) [ 713.672338][T16662] ? __sys_sendmsg_sock (net/socket.c:2780) [ 713.672341][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672342][T16662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.672344][T16662] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 713.672346][T16662] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 713.672348][T16662] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 713.672350][T16662] RIP: 0033:0x7f888a79c54e [ 713.672352][T16662] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 713.672354][T16662] RSP: 002b:00007ffdc6aeeb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 713.672357][T16662] RAX: ffffffffffffffda RBX: 00007ffdc6aef318 RCX: 00007f888a79c54e [ 713.672359][T16662] RDX: 0000000000000000 RSI: 00007ffdc6aeec00 RDI: 0000000000000005 [ 713.672360][T16662] RBP: 00007ffdc6aeeb60 R08: 0000000000000000 R09: 0000000000000000 [ 713.672361][T16662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c02 [ 713.672362][T16662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc6aef2d0 | [ 714.999906][T16731] softirqs last disabled at (0): 0x0 | [ 714.999908][T16731] Preemption disabled at: | [ 714.999908][T16731] vprintk_emit (kernel/printk/printk.c:2471) | [ 714.999918][T16731] Tainted: [W]=WARN [ 714.999919][T16731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 714.999921][T16731] Call Trace: [ 714.999922][T16731] [ 714.999924][T16731] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 714.999929][T16731] ? vprintk_emit (kernel/printk/printk.c:2471) [ 714.999930][T16731] __might_resched.cold (kernel/sched/core.c:9234) [ 714.999934][T16731] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 714.999938][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.999940][T16731] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 714.999943][T16731] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.999946][T16731] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 714.999952][T16731] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 714.999953][T16731] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 714.999956][T16731] put_chars (drivers/char/virtio_console.c:1176) [ 714.999957][T16731] ? __send_to_port (drivers/char/virtio_console.c:654) [ 714.999958][T16731] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 714.999961][T16731] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 714.999963][T16731] ? pointer (lib/vsprintf.c:2577) [ 714.999966][T16731] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 714.999971][T16731] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 714.999972][T16731] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.999974][T16731] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.999976][T16731] console_emit_next_record (kernel/printk/printk.c:3183) [ 714.999979][T16731] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 714.999981][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.999982][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.999983][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.999984][T16731] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.999986][T16731] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 714.999988][T16731] console_flush_one_record (kernel/printk/printk.c:3268) [ 714.999990][T16731] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 714.999993][T16731] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 714.999995][T16731] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.999997][T16731] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 714.999998][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.999999][T16731] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.000001][T16731] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 715.000002][T16731] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 715.000004][T16731] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 715.000006][T16731] ? vprintk_emit (kernel/printk/printk.c:2478) [ 715.000007][T16731] vprintk_emit (kernel/printk/printk.c:2479) [ 715.000009][T16731] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 715.000010][T16731] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 715.000013][T16731] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 715.000016][T16731] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 715.000018][T16731] _printk (kernel/printk/printk.c:2504) [ 715.000021][T16731] ? snapshot_read.cold (user.c:?) [ 715.000023][T16731] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 715.000025][T16731] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 715.000028][T16731] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 715.000030][T16731] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 715.000033][T16731] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 715.000036][T16731] ? netdev_notice (net/core/dev.c:13194) [ 715.000038][T16731] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 715.000039][T16731] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 715.000042][T16731] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 715.000044][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000045][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000046][T16731] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 715.000047][T16731] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 715.000049][T16731] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 715.000050][T16731] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 715.000051][T16731] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 715.000053][T16731] ? register_netdev (net/core/dev.c:11618) [ 715.000054][T16731] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.000056][T16731] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 715.000059][T16731] ? __kernel_text_address (kernel/extable.c:79) [ 715.000061][T16731] ? write_profile (profile.c:?) [ 715.000064][T16731] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 715.000068][T16731] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 715.000070][T16731] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 715.000071][T16731] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 715.000072][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000073][T16731] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 715.000077][T16731] ? kasan_save_stack (mm/kasan/common.c:58) [ 715.000078][T16731] ? kasan_save_stack (mm/kasan/common.c:57) [ 715.000080][T16731] ? kasan_save_track (mm/kasan/common.c:78) [ 715.000081][T16731] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 715.000082][T16731] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 715.000083][T16731] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 715.000084][T16731] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 715.000085][T16731] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 715.000088][T16731] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 715.000089][T16731] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 715.000091][T16731] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 715.000094][T16731] ? ____sys_sendmsg (net/socket.c:2713) [ 715.000095][T16731] ? ___sys_sendmsg (net/socket.c:2767) [ 715.000096][T16731] ? __sys_sendmsg (net/socket.c:2799) [ 715.000098][T16731] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 715.000100][T16731] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 715.000103][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000104][T16731] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.000105][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000106][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000107][T16731] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 715.000109][T16731] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 715.000110][T16731] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 715.000111][T16731] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 715.000113][T16731] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 715.000114][T16731] ? nla_get_range_signed (lib/nlattr.c:270) [ 715.000117][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000118][T16731] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 715.000121][T16731] rtnl_newlink (net/core/rtnetlink.c:4215) [ 715.000123][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000124][T16731] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 715.000125][T16731] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.000126][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000128][T16731] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 715.000130][T16731] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 715.000132][T16731] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 715.000133][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000134][T16731] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 715.000138][T16731] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 715.000140][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000141][T16731] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.000143][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000144][T16731] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 715.000145][T16731] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 715.000147][T16731] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 715.000148][T16731] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 715.000150][T16731] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 715.000152][T16731] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 715.000154][T16731] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 715.000155][T16731] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.000157][T16731] ? netlink_ack (./include/linux/skbuff.h:2718) [ 715.000158][T16731] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 715.000161][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000162][T16731] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.000167][T16731] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 715.000169][T16731] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 715.000171][T16731] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 715.000173][T16731] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 715.000175][T16731] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 715.000176][T16731] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 715.000178][T16731] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.000180][T16731] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 715.000183][T16731] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 715.000185][T16731] ____sys_sendmsg (net/socket.c:2713) [ 715.000186][T16731] ? copy_msghdr_from_user (net/socket.c:2650) [ 715.000188][T16731] ? sock_write_iter (net/socket.c:1269) [ 715.000189][T16731] ? move_addr_to_kernel (net/socket.c:258) [ 715.000191][T16731] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 715.000193][T16731] ___sys_sendmsg (net/socket.c:2767) [ 715.000195][T16731] ? copy_msghdr_from_user (net/socket.c:2619) [ 715.000200][T16731] __sys_sendmsg (net/socket.c:2799) [ 715.000202][T16731] ? __sys_sendmsg_sock (net/socket.c:2780) [ 715.000204][T16731] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.000206][T16731] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 715.000208][T16731] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 715.000210][T16731] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 715.000211][T16731] RIP: 0033:0x7f2e0ee9054e [ 715.000213][T16731] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 715.000215][T16731] RSP: 002b:00007ffd2f5e8590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 715.000218][T16731] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2e0ee9054e [ 715.000220][T16731] RDX: 0000000000000000 RSI: 00007ffd2f5e8640 RDI: 0000000000000005 [ 715.000221][T16731] RBP: 00007ffd2f5e85a0 R08: 0000000000000000 R09: 0000000000000000 [ 715.000222][T16731] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c04 [ 715.000222][T16731] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2f5e8d00 | [ 716.061549][T16781] softirqs last disabled at (0): 0x0 | [ 716.061551][T16781] Preemption disabled at: | [ 716.061551][T16781] vprintk_emit (kernel/printk/printk.c:2471) | [ 716.061561][T16781] Tainted: [W]=WARN [ 716.061562][T16781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 716.061564][T16781] Call Trace: [ 716.061566][T16781] [ 716.061567][T16781] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 716.061573][T16781] ? vprintk_emit (kernel/printk/printk.c:2471) [ 716.061574][T16781] __might_resched.cold (kernel/sched/core.c:9234) [ 716.061578][T16781] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 716.061580][T16781] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 716.061583][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061586][T16781] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 716.061589][T16781] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 716.061592][T16781] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 716.061597][T16781] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 716.061599][T16781] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 716.061601][T16781] put_chars (drivers/char/virtio_console.c:1176) [ 716.061603][T16781] ? __send_to_port (drivers/char/virtio_console.c:654) [ 716.061605][T16781] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 716.061607][T16781] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 716.061612][T16781] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 716.061614][T16781] ? vsnprintf (lib/vsprintf.c:2900) [ 716.061617][T16781] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 716.061619][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061620][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061622][T16781] console_emit_next_record (kernel/printk/printk.c:3183) [ 716.061624][T16781] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 716.061626][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061627][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061628][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061629][T16781] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.061632][T16781] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 716.061634][T16781] console_flush_one_record (kernel/printk/printk.c:3268) [ 716.061636][T16781] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 716.061639][T16781] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 716.061641][T16781] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.061643][T16781] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 716.061644][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061645][T16781] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 716.061647][T16781] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 716.061648][T16781] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 716.061650][T16781] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 716.061652][T16781] ? vprintk_emit (kernel/printk/printk.c:2478) [ 716.061653][T16781] vprintk_emit (kernel/printk/printk.c:2479) [ 716.061655][T16781] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 716.061656][T16781] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 716.061658][T16781] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 716.061661][T16781] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.061662][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061664][T16781] _printk (kernel/printk/printk.c:2504) [ 716.061667][T16781] ? snapshot_read.cold (user.c:?) [ 716.061669][T16781] ? br_multicast_flood (??:?) [ 716.061672][T16781] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 716.061675][T16781] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 716.061676][T16781] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 716.061678][T16781] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 716.061680][T16781] br_init_port (net/bridge/br_stp_if.c:39) [ 716.061682][T16781] new_nbp (net/bridge/br_if.c:449) [ 716.061685][T16781] br_add_if (net/bridge/br_if.c:592) [ 716.061686][T16781] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 716.061691][T16781] do_set_master (net/core/rtnetlink.c:3071) [ 716.061692][T16781] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 716.061694][T16781] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 716.061696][T16781] ? __dev_get_by_name (net/core/dev.c:905) [ 716.061697][T16781] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 716.061701][T16781] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 716.061704][T16781] rtnl_newlink (net/core/rtnetlink.c:4215) [ 716.061706][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061707][T16781] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 716.061708][T16781] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.061710][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061711][T16781] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 716.061714][T16781] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 716.061716][T16781] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 716.061718][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061719][T16781] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.061721][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061722][T16781] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 716.061723][T16781] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 716.061725][T16781] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 716.061727][T16781] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 716.061728][T16781] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 716.061732][T16781] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 716.061735][T16781] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 716.061736][T16781] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 716.061738][T16781] ? netlink_ack (./include/linux/skbuff.h:2718) [ 716.061740][T16781] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 716.061742][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061744][T16781] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 716.061746][T16781] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 716.061748][T16781] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 716.061750][T16781] ? next_uptodate_folio (mm/filemap.c:3747) [ 716.061753][T16781] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 716.061755][T16781] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 716.061757][T16781] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.061759][T16781] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 716.061762][T16781] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 716.061765][T16781] ____sys_sendmsg (net/socket.c:2713) [ 716.061767][T16781] ? copy_msghdr_from_user (net/socket.c:2650) [ 716.061768][T16781] ? sock_write_iter (net/socket.c:1269) [ 716.061770][T16781] ? move_addr_to_kernel (net/socket.c:258) [ 716.061772][T16781] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 716.061774][T16781] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.061776][T16781] ___sys_sendmsg (net/socket.c:2767) [ 716.061778][T16781] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 716.061780][T16781] ? copy_msghdr_from_user (net/socket.c:2619) [ 716.061782][T16781] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 716.061786][T16781] __sys_sendmsg (net/socket.c:2799) [ 716.061788][T16781] ? __sys_sendmsg_sock (net/socket.c:2780) [ 716.061791][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061792][T16781] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.061794][T16781] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 716.061796][T16781] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 716.061798][T16781] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 716.061800][T16781] RIP: 0033:0x7f0e2060654e [ 716.061802][T16781] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 716.061804][T16781] RSP: 002b:00007ffff1b452a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 716.061808][T16781] RAX: ffffffffffffffda RBX: 00007ffff1b45a68 RCX: 00007f0e2060654e [ 716.061809][T16781] RDX: 0000000000000000 RSI: 00007ffff1b45350 RDI: 0000000000000005 [ 716.061810][T16781] RBP: 00007ffff1b452b0 R08: 0000000000000000 R09: 0000000000000000 [ 716.061811][T16781] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c05 [ 716.061812][T16781] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff1b45a20 | [ 722.536096][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 722.536098][ T12] Preemption disabled at: | [ 722.536099][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 722.536110][ T12] Tainted: [W]=WARN [ 722.536111][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 722.536113][ T12] Workqueue: netns cleanup_net [ 722.536119][ T12] Call Trace: [ 722.536121][ T12] [ 722.536122][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 722.536128][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 722.536129][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 722.536133][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 722.536135][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 722.536138][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536141][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 722.536144][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 722.536147][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 722.536152][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 722.536154][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 722.536157][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 722.536158][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 722.536160][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 722.536167][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 722.536172][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 722.536174][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 722.536176][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 722.536178][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536179][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536181][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 722.536183][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 722.536186][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536187][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536188][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536189][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 722.536191][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 722.536193][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 722.536196][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 722.536198][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 722.536200][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 722.536202][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 722.536204][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536205][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 722.536206][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 722.536208][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 722.536209][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 722.536211][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 722.536213][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 722.536215][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 722.536216][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 722.536217][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 722.536220][ T12] ? kthread (kernel/kthread.c:436) [ 722.536222][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 722.536225][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 722.536228][ T12] _printk (kernel/printk/printk.c:2504) [ 722.536231][ T12] ? snapshot_read.cold (user.c:?) [ 722.536233][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 722.536236][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 722.536238][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 722.536241][ T12] ? netdev_notice (net/core/dev.c:13194) [ 722.536243][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536244][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 722.536246][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 722.536249][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 722.536250][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 722.536252][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 722.536254][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 722.536257][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 722.536260][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 722.536263][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 722.536265][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 722.536267][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 722.536269][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 722.536272][ T12] cleanup_net (net/core/net_namespace.c:706) [ 722.536274][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 722.536276][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 722.536278][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.536279][ T12] process_one_work (kernel/workqueue.c:3387) [ 722.536282][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 722.536285][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 722.536287][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 722.536290][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 722.536292][ T12] kthread (kernel/kthread.c:436) [ 722.536294][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 722.536295][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 722.536297][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 722.536299][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 722.536301][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 722.536304][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 722.536306][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 723.751182][T16933] softirqs last disabled at (0): 0x0 | [ 723.751184][T16933] Preemption disabled at: | [ 723.751185][T16933] vprintk_emit (kernel/printk/printk.c:2471) | [ 723.751194][T16933] Tainted: [W]=WARN [ 723.751195][T16933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 723.751197][T16933] Call Trace: [ 723.751199][T16933] [ 723.751200][T16933] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 723.751205][T16933] ? vprintk_emit (kernel/printk/printk.c:2471) [ 723.751207][T16933] __might_resched.cold (kernel/sched/core.c:9234) [ 723.751210][T16933] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 723.751213][T16933] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 723.751216][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751219][T16933] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 723.751222][T16933] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.751225][T16933] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 723.751230][T16933] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 723.751232][T16933] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 723.751234][T16933] put_chars (drivers/char/virtio_console.c:1176) [ 723.751236][T16933] ? __send_to_port (drivers/char/virtio_console.c:654) [ 723.751237][T16933] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 723.751240][T16933] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 723.751245][T16933] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 723.751246][T16933] ? vsnprintf (lib/vsprintf.c:2900) [ 723.751249][T16933] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.751251][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751252][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751254][T16933] console_emit_next_record (kernel/printk/printk.c:3183) [ 723.751257][T16933] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 723.751259][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751260][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751261][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751262][T16933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.751264][T16933] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 723.751266][T16933] console_flush_one_record (kernel/printk/printk.c:3268) [ 723.751268][T16933] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 723.751271][T16933] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 723.751273][T16933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.751274][T16933] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 723.751276][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751277][T16933] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 723.751279][T16933] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 723.751280][T16933] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 723.751282][T16933] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 723.751284][T16933] ? vprintk_emit (kernel/printk/printk.c:2478) [ 723.751285][T16933] vprintk_emit (kernel/printk/printk.c:2479) [ 723.751287][T16933] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 723.751288][T16933] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.751290][T16933] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 723.751293][T16933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.751294][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751296][T16933] _printk (kernel/printk/printk.c:2504) [ 723.751299][T16933] ? snapshot_read.cold (user.c:?) [ 723.751301][T16933] ? br_multicast_flood (??:?) [ 723.751304][T16933] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 723.751307][T16933] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 723.751308][T16933] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 723.751310][T16933] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 723.751312][T16933] br_init_port (net/bridge/br_stp_if.c:39) [ 723.751315][T16933] new_nbp (net/bridge/br_if.c:449) [ 723.751317][T16933] br_add_if (net/bridge/br_if.c:592) [ 723.751319][T16933] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 723.751323][T16933] do_set_master (net/core/rtnetlink.c:3071) [ 723.751324][T16933] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 723.751326][T16933] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 723.751327][T16933] ? __dev_get_by_name (net/core/dev.c:905) [ 723.751329][T16933] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 723.751333][T16933] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 723.751336][T16933] rtnl_newlink (net/core/rtnetlink.c:4215) [ 723.751337][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751339][T16933] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 723.751340][T16933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.751342][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751343][T16933] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 723.751346][T16933] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 723.751347][T16933] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 723.751350][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751351][T16933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.751353][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751354][T16933] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 723.751355][T16933] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 723.751357][T16933] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 723.751358][T16933] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 723.751359][T16933] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 723.751363][T16933] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 723.751366][T16933] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 723.751371][T16933] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 723.751373][T16933] ? netlink_ack (./include/linux/skbuff.h:2718) [ 723.751374][T16933] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 723.751378][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751379][T16933] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 723.751381][T16933] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 723.751383][T16933] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 723.751385][T16933] ? next_uptodate_folio (mm/filemap.c:3747) [ 723.751388][T16933] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 723.751390][T16933] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 723.751392][T16933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.751394][T16933] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 723.751397][T16933] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 723.751400][T16933] ____sys_sendmsg (net/socket.c:2713) [ 723.751402][T16933] ? copy_msghdr_from_user (net/socket.c:2650) [ 723.751404][T16933] ? sock_write_iter (net/socket.c:1269) [ 723.751405][T16933] ? move_addr_to_kernel (net/socket.c:258) [ 723.751407][T16933] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 723.751410][T16933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.751412][T16933] ___sys_sendmsg (net/socket.c:2767) [ 723.751413][T16933] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 723.751415][T16933] ? copy_msghdr_from_user (net/socket.c:2619) [ 723.751417][T16933] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 723.751421][T16933] __sys_sendmsg (net/socket.c:2799) [ 723.751423][T16933] ? __sys_sendmsg_sock (net/socket.c:2780) [ 723.751426][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751427][T16933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.751429][T16933] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 723.751431][T16933] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 723.751433][T16933] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 723.751435][T16933] RIP: 0033:0x7fa0292aa54e [ 723.751437][T16933] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 723.751440][T16933] RSP: 002b:00007fff9aec0870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 723.751443][T16933] RAX: ffffffffffffffda RBX: 00007fff9aec1038 RCX: 00007fa0292aa54e [ 723.751445][T16933] RDX: 0000000000000000 RSI: 00007fff9aec0920 RDI: 0000000000000005 [ 723.751446][T16933] RBP: 00007fff9aec0880 R08: 0000000000000000 R09: 0000000000000000 [ 723.751446][T16933] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c0d [ 723.751447][T16933] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9aec0ff0 | [ 725.053089][T17002] softirqs last disabled at (0): 0x0 | [ 725.053091][T17002] Preemption disabled at: | [ 725.053091][T17002] vprintk_emit (kernel/printk/printk.c:2471) | [ 725.053101][T17002] Tainted: [W]=WARN [ 725.053102][T17002] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 725.053104][T17002] Call Trace: [ 725.053105][T17002] [ 725.053106][T17002] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 725.053112][T17002] ? vprintk_emit (kernel/printk/printk.c:2471) [ 725.053113][T17002] __might_resched.cold (kernel/sched/core.c:9234) [ 725.053117][T17002] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 725.053120][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053123][T17002] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 725.053126][T17002] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.053129][T17002] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 725.053134][T17002] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 725.053135][T17002] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 725.053138][T17002] put_chars (drivers/char/virtio_console.c:1176) [ 725.053139][T17002] ? __send_to_port (drivers/char/virtio_console.c:654) [ 725.053141][T17002] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 725.053143][T17002] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 725.053145][T17002] ? pointer (lib/vsprintf.c:2577) [ 725.053148][T17002] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 725.053153][T17002] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 725.053155][T17002] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.053157][T17002] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.053159][T17002] console_emit_next_record (kernel/printk/printk.c:3183) [ 725.053162][T17002] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 725.053167][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053169][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053170][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053171][T17002] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.053173][T17002] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 725.053174][T17002] console_flush_one_record (kernel/printk/printk.c:3268) [ 725.053177][T17002] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 725.053179][T17002] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 725.053181][T17002] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.053183][T17002] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 725.053185][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053186][T17002] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.053187][T17002] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 725.053189][T17002] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 725.053190][T17002] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 725.053192][T17002] ? vprintk_emit (kernel/printk/printk.c:2478) [ 725.053193][T17002] vprintk_emit (kernel/printk/printk.c:2479) [ 725.053195][T17002] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 725.053197][T17002] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 725.053199][T17002] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 725.053202][T17002] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 725.053205][T17002] _printk (kernel/printk/printk.c:2504) [ 725.053207][T17002] ? snapshot_read.cold (user.c:?) [ 725.053209][T17002] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 725.053211][T17002] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 725.053215][T17002] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 725.053217][T17002] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 725.053220][T17002] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 725.053222][T17002] ? netdev_notice (net/core/dev.c:13194) [ 725.053224][T17002] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 725.053226][T17002] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 725.053228][T17002] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.053230][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053231][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053232][T17002] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 725.053233][T17002] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 725.053235][T17002] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 725.053236][T17002] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 725.053237][T17002] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 725.053239][T17002] ? register_netdev (net/core/dev.c:11618) [ 725.053240][T17002] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.053242][T17002] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 725.053245][T17002] ? __kernel_text_address (kernel/extable.c:79) [ 725.053247][T17002] ? write_profile (profile.c:?) [ 725.053250][T17002] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 725.053254][T17002] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 725.053256][T17002] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 725.053257][T17002] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 725.053258][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053260][T17002] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 725.053263][T17002] ? kasan_save_stack (mm/kasan/common.c:58) [ 725.053265][T17002] ? kasan_save_stack (mm/kasan/common.c:57) [ 725.053266][T17002] ? kasan_save_track (mm/kasan/common.c:78) [ 725.053267][T17002] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 725.053268][T17002] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 725.053270][T17002] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 725.053271][T17002] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 725.053272][T17002] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 725.053275][T17002] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 725.053277][T17002] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 725.053278][T17002] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 725.053281][T17002] ? ____sys_sendmsg (net/socket.c:2713) [ 725.053282][T17002] ? ___sys_sendmsg (net/socket.c:2767) [ 725.053284][T17002] ? __sys_sendmsg (net/socket.c:2799) [ 725.053285][T17002] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 725.053288][T17002] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 725.053290][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053291][T17002] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.053293][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053294][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053295][T17002] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 725.053296][T17002] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 725.053297][T17002] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 725.053298][T17002] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 725.053300][T17002] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 725.053301][T17002] ? nla_get_range_signed (lib/nlattr.c:270) [ 725.053304][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053305][T17002] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 725.053308][T17002] rtnl_newlink (net/core/rtnetlink.c:4215) [ 725.053309][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053311][T17002] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 725.053312][T17002] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.053313][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053315][T17002] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 725.053317][T17002] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 725.053318][T17002] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 725.053320][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053321][T17002] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 725.053324][T17002] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 725.053326][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053328][T17002] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.053329][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053330][T17002] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 725.053332][T17002] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 725.053333][T17002] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 725.053335][T17002] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 725.053336][T17002] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 725.053338][T17002] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 725.053340][T17002] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 725.053341][T17002] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.053343][T17002] ? netlink_ack (./include/linux/skbuff.h:2718) [ 725.053345][T17002] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 725.053348][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053349][T17002] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.053351][T17002] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 725.053353][T17002] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 725.053355][T17002] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 725.053357][T17002] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 725.053359][T17002] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 725.053361][T17002] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 725.053362][T17002] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.053364][T17002] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 725.053367][T17002] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 725.053369][T17002] ____sys_sendmsg (net/socket.c:2713) [ 725.053370][T17002] ? copy_msghdr_from_user (net/socket.c:2650) [ 725.053376][T17002] ? sock_write_iter (net/socket.c:1269) [ 725.053378][T17002] ? move_addr_to_kernel (net/socket.c:258) [ 725.053379][T17002] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 725.053382][T17002] ___sys_sendmsg (net/socket.c:2767) [ 725.053384][T17002] ? copy_msghdr_from_user (net/socket.c:2619) [ 725.053389][T17002] __sys_sendmsg (net/socket.c:2799) [ 725.053391][T17002] ? __sys_sendmsg_sock (net/socket.c:2780) [ 725.053393][T17002] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.053395][T17002] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 725.053397][T17002] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 725.053399][T17002] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 725.053400][T17002] RIP: 0033:0x7f19dd3a254e [ 725.053402][T17002] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 725.053404][T17002] RSP: 002b:00007ffe338b4350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 725.053407][T17002] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f19dd3a254e [ 725.053409][T17002] RDX: 0000000000000000 RSI: 00007ffe338b4400 RDI: 0000000000000005 [ 725.053410][T17002] RBP: 00007ffe338b4360 R08: 0000000000000000 R09: 0000000000000000 [ 725.053410][T17002] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c0e [ 725.053411][T17002] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe338b4ac0 | [ 726.151372][T17059] softirqs last disabled at (0): 0x0 | [ 726.151373][T17059] Preemption disabled at: | [ 726.151374][T17059] vprintk_emit (kernel/printk/printk.c:2471) | [ 726.151388][T17059] Tainted: [W]=WARN [ 726.151389][T17059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 726.151391][T17059] Call Trace: [ 726.151393][T17059] [ 726.151394][T17059] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 726.151399][T17059] ? vprintk_emit (kernel/printk/printk.c:2471) [ 726.151401][T17059] __might_resched.cold (kernel/sched/core.c:9234) [ 726.151404][T17059] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 726.151406][T17059] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 726.151410][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151412][T17059] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 726.151415][T17059] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 726.151418][T17059] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 726.151423][T17059] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 726.151425][T17059] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 726.151427][T17059] put_chars (drivers/char/virtio_console.c:1176) [ 726.151429][T17059] ? __send_to_port (drivers/char/virtio_console.c:654) [ 726.151431][T17059] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 726.151433][T17059] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 726.151438][T17059] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 726.151440][T17059] ? vsnprintf (lib/vsprintf.c:2900) [ 726.151443][T17059] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 726.151445][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151446][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151448][T17059] console_emit_next_record (kernel/printk/printk.c:3183) [ 726.151450][T17059] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 726.151453][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151454][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151455][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151456][T17059] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.151458][T17059] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 726.151460][T17059] console_flush_one_record (kernel/printk/printk.c:3268) [ 726.151462][T17059] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 726.151465][T17059] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 726.151467][T17059] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.151468][T17059] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 726.151470][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151471][T17059] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 726.151473][T17059] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 726.151474][T17059] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 726.151476][T17059] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 726.151478][T17059] ? vprintk_emit (kernel/printk/printk.c:2478) [ 726.151479][T17059] vprintk_emit (kernel/printk/printk.c:2479) [ 726.151481][T17059] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 726.151482][T17059] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 726.151484][T17059] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 726.151487][T17059] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.151488][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151490][T17059] _printk (kernel/printk/printk.c:2504) [ 726.151493][T17059] ? snapshot_read.cold (user.c:?) [ 726.151495][T17059] ? br_multicast_flood (??:?) [ 726.151498][T17059] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 726.151501][T17059] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 726.151502][T17059] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 726.151504][T17059] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 726.151507][T17059] br_init_port (net/bridge/br_stp_if.c:39) [ 726.151509][T17059] new_nbp (net/bridge/br_if.c:449) [ 726.151511][T17059] br_add_if (net/bridge/br_if.c:592) [ 726.151513][T17059] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 726.151517][T17059] do_set_master (net/core/rtnetlink.c:3071) [ 726.151519][T17059] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 726.151521][T17059] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 726.151522][T17059] ? __dev_get_by_name (net/core/dev.c:905) [ 726.151524][T17059] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 726.151528][T17059] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 726.151531][T17059] rtnl_newlink (net/core/rtnetlink.c:4215) [ 726.151533][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151534][T17059] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 726.151535][T17059] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.151537][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151538][T17059] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 726.151540][T17059] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 726.151542][T17059] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 726.151545][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151546][T17059] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.151548][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151549][T17059] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 726.151550][T17059] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 726.151552][T17059] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 726.151553][T17059] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 726.151555][T17059] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 726.151559][T17059] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 726.151561][T17059] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 726.151563][T17059] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 726.151564][T17059] ? netlink_ack (./include/linux/skbuff.h:2718) [ 726.151566][T17059] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 726.151569][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151570][T17059] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 726.151572][T17059] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 726.151575][T17059] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 726.151576][T17059] ? next_uptodate_folio (mm/filemap.c:3747) [ 726.151579][T17059] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 726.151582][T17059] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 726.151584][T17059] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.151585][T17059] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 726.151588][T17059] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 726.151591][T17059] ____sys_sendmsg (net/socket.c:2713) [ 726.151593][T17059] ? copy_msghdr_from_user (net/socket.c:2650) [ 726.151595][T17059] ? sock_write_iter (net/socket.c:1269) [ 726.151596][T17059] ? move_addr_to_kernel (net/socket.c:258) [ 726.151598][T17059] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 726.151601][T17059] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.151603][T17059] ___sys_sendmsg (net/socket.c:2767) [ 726.151605][T17059] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 726.151606][T17059] ? copy_msghdr_from_user (net/socket.c:2619) [ 726.151608][T17059] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 726.151612][T17059] __sys_sendmsg (net/socket.c:2799) [ 726.151615][T17059] ? __sys_sendmsg_sock (net/socket.c:2780) [ 726.151617][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151618][T17059] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.151620][T17059] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 726.151623][T17059] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 726.151625][T17059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 726.151627][T17059] RIP: 0033:0x7fe46aa6354e [ 726.151629][T17059] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 726.151631][T17059] RSP: 002b:00007ffc95cc8030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 726.151635][T17059] RAX: ffffffffffffffda RBX: 00007ffc95cc87f8 RCX: 00007fe46aa6354e [ 726.151636][T17059] RDX: 0000000000000000 RSI: 00007ffc95cc80e0 RDI: 0000000000000005 [ 726.151637][T17059] RBP: 00007ffc95cc8040 R08: 0000000000000000 R09: 0000000000000000 [ 726.151638][T17059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c0f [ 726.151639][T17059] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc95cc87b0 | [ 761.591658][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 761.591660][ T12] Preemption disabled at: | [ 761.591661][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 761.591671][ T12] Tainted: [W]=WARN [ 761.591673][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 761.591674][ T12] Workqueue: netns cleanup_net [ 761.591680][ T12] Call Trace: [ 761.591682][ T12] [ 761.591684][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 761.591689][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 761.591691][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 761.591694][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 761.591696][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 761.591700][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591702][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 761.591705][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 761.591708][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 761.591713][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 761.591715][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 761.591717][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 761.591719][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 761.591721][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 761.591723][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 761.591728][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 761.591730][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 761.591732][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 761.591734][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591735][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591736][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 761.591739][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 761.591741][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591742][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591743][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591744][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 761.591747][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 761.591749][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 761.591751][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 761.591754][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 761.591756][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 761.591757][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 761.591759][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591760][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 761.591762][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 761.591763][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 761.591765][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 761.591767][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 761.591768][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 761.591770][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 761.591771][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 761.591773][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 761.591776][ T12] ? kthread (kernel/kthread.c:436) [ 761.591778][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 761.591781][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 761.591784][ T12] _printk (kernel/printk/printk.c:2504) [ 761.591787][ T12] ? snapshot_read.cold (user.c:?) [ 761.591789][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 761.591792][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 761.591794][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 761.591797][ T12] ? netdev_notice (net/core/dev.c:13194) [ 761.591799][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591800][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 761.591801][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 761.591805][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 761.591806][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 761.591807][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 761.591810][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 761.591812][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 761.591816][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 761.591818][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 761.591821][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 761.591823][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 761.591825][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 761.591828][ T12] cleanup_net (net/core/net_namespace.c:706) [ 761.591829][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 761.591831][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 761.591834][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 761.591835][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.591837][ T12] process_one_work (kernel/workqueue.c:3387) [ 761.591840][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 761.591842][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 761.591845][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 761.591848][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 761.591850][ T12] kthread (kernel/kthread.c:436) [ 761.591851][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 761.591853][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 761.591855][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 761.591857][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 761.591859][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 761.591862][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 761.591864][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 762.809768][T19490] softirqs last disabled at (0): 0x0 | [ 762.809770][T19490] Preemption disabled at: | [ 762.809771][T19490] vprintk_emit (kernel/printk/printk.c:2471) | [ 762.809781][T19490] Tainted: [W]=WARN [ 762.809782][T19490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 762.809783][T19490] Call Trace: [ 762.809785][T19490] [ 762.809786][T19490] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 762.809792][T19490] ? vprintk_emit (kernel/printk/printk.c:2471) [ 762.809793][T19490] __might_resched.cold (kernel/sched/core.c:9234) [ 762.809797][T19490] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 762.809799][T19490] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 762.809802][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809805][T19490] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 762.809808][T19490] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 762.809811][T19490] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 762.809816][T19490] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 762.809818][T19490] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 762.809820][T19490] put_chars (drivers/char/virtio_console.c:1176) [ 762.809822][T19490] ? __send_to_port (drivers/char/virtio_console.c:654) [ 762.809824][T19490] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 762.809826][T19490] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 762.809831][T19490] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 762.809833][T19490] ? vsnprintf (lib/vsprintf.c:2900) [ 762.809836][T19490] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 762.809838][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809839][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809841][T19490] console_emit_next_record (kernel/printk/printk.c:3183) [ 762.809843][T19490] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 762.809845][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809846][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809847][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809849][T19490] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.809851][T19490] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 762.809853][T19490] console_flush_one_record (kernel/printk/printk.c:3268) [ 762.809855][T19490] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 762.809858][T19490] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 762.809860][T19490] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.809861][T19490] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 762.809863][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809864][T19490] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 762.809866][T19490] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 762.809867][T19490] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 762.809869][T19490] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 762.809871][T19490] ? vprintk_emit (kernel/printk/printk.c:2478) [ 762.809872][T19490] vprintk_emit (kernel/printk/printk.c:2479) [ 762.809874][T19490] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 762.809875][T19490] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 762.809877][T19490] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 762.809880][T19490] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.809881][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809883][T19490] _printk (kernel/printk/printk.c:2504) [ 762.809886][T19490] ? snapshot_read.cold (user.c:?) [ 762.809888][T19490] ? br_multicast_flood (??:?) [ 762.809891][T19490] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 762.809894][T19490] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 762.809895][T19490] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 762.809897][T19490] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 762.809900][T19490] br_init_port (net/bridge/br_stp_if.c:39) [ 762.809902][T19490] new_nbp (net/bridge/br_if.c:449) [ 762.809904][T19490] br_add_if (net/bridge/br_if.c:592) [ 762.809906][T19490] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 762.809910][T19490] do_set_master (net/core/rtnetlink.c:3071) [ 762.809912][T19490] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 762.809914][T19490] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 762.809915][T19490] ? __dev_get_by_name (net/core/dev.c:905) [ 762.809917][T19490] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 762.809921][T19490] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 762.809923][T19490] rtnl_newlink (net/core/rtnetlink.c:4215) [ 762.809925][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809926][T19490] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 762.809928][T19490] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.809929][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809931][T19490] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 762.809933][T19490] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 762.809935][T19490] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 762.809938][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809939][T19490] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.809940][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809941][T19490] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 762.809943][T19490] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 762.809945][T19490] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 762.809946][T19490] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 762.809947][T19490] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 762.809951][T19490] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 762.809954][T19490] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 762.809956][T19490] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 762.809957][T19490] ? netlink_ack (./include/linux/skbuff.h:2718) [ 762.809959][T19490] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 762.809962][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.809963][T19490] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 762.809965][T19490] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 762.809967][T19490] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 762.809969][T19490] ? next_uptodate_folio (mm/filemap.c:3747) [ 762.809972][T19490] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 762.809974][T19490] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 762.809976][T19490] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.809978][T19490] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 762.809981][T19490] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 762.809984][T19490] ____sys_sendmsg (net/socket.c:2713) [ 762.809986][T19490] ? copy_msghdr_from_user (net/socket.c:2650) [ 762.809988][T19490] ? sock_write_iter (net/socket.c:1269) [ 762.809989][T19490] ? move_addr_to_kernel (net/socket.c:258) [ 762.809991][T19490] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 762.809994][T19490] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.809996][T19490] ___sys_sendmsg (net/socket.c:2767) [ 762.809998][T19490] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 762.809999][T19490] ? copy_msghdr_from_user (net/socket.c:2619) [ 762.810001][T19490] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 762.810006][T19490] __sys_sendmsg (net/socket.c:2799) [ 762.810008][T19490] ? __sys_sendmsg_sock (net/socket.c:2780) [ 762.810010][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.810012][T19490] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.810013][T19490] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 762.810016][T19490] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 762.810018][T19490] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 762.810020][T19490] RIP: 0033:0x7f23bcc6554e [ 762.810022][T19490] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 762.810024][T19490] RSP: 002b:00007fffdcc284b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 762.810027][T19490] RAX: ffffffffffffffda RBX: 00007fffdcc28c78 RCX: 00007f23bcc6554e [ 762.810029][T19490] RDX: 0000000000000000 RSI: 00007fffdcc28560 RDI: 0000000000000005 [ 762.810030][T19490] RBP: 00007fffdcc284c0 R08: 0000000000000000 R09: 0000000000000000 [ 762.810031][T19490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c34 [ 762.810032][T19490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdcc28c30 | [ 764.128332][T19560] softirqs last disabled at (0): 0x0 | [ 764.128333][T19560] Preemption disabled at: | [ 764.128334][T19560] vprintk_emit (kernel/printk/printk.c:2471) | [ 764.128344][T19560] Tainted: [W]=WARN [ 764.128345][T19560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 764.128347][T19560] Call Trace: [ 764.128348][T19560] [ 764.128349][T19560] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 764.128355][T19560] ? vprintk_emit (kernel/printk/printk.c:2471) [ 764.128356][T19560] __might_resched.cold (kernel/sched/core.c:9234) [ 764.128360][T19560] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 764.128363][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128366][T19560] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 764.128369][T19560] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 764.128372][T19560] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 764.128377][T19560] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 764.128379][T19560] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 764.128381][T19560] put_chars (drivers/char/virtio_console.c:1176) [ 764.128383][T19560] ? __send_to_port (drivers/char/virtio_console.c:654) [ 764.128384][T19560] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 764.128386][T19560] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 764.128388][T19560] ? pointer (lib/vsprintf.c:2577) [ 764.128392][T19560] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 764.128396][T19560] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 764.128398][T19560] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 764.128400][T19560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.128402][T19560] console_emit_next_record (kernel/printk/printk.c:3183) [ 764.128405][T19560] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 764.128407][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128408][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128409][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128410][T19560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.128412][T19560] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 764.128414][T19560] console_flush_one_record (kernel/printk/printk.c:3268) [ 764.128417][T19560] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 764.128419][T19560] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 764.128421][T19560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.128423][T19560] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 764.128425][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128426][T19560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 764.128427][T19560] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 764.128429][T19560] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 764.128430][T19560] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 764.128432][T19560] ? vprintk_emit (kernel/printk/printk.c:2478) [ 764.128434][T19560] vprintk_emit (kernel/printk/printk.c:2479) [ 764.128435][T19560] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 764.128437][T19560] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 764.128439][T19560] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 764.128442][T19560] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 764.128445][T19560] _printk (kernel/printk/printk.c:2504) [ 764.128448][T19560] ? snapshot_read.cold (user.c:?) [ 764.128449][T19560] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 764.128452][T19560] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 764.128455][T19560] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 764.128457][T19560] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 764.128461][T19560] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 764.128463][T19560] ? netdev_notice (net/core/dev.c:13194) [ 764.128465][T19560] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 764.128467][T19560] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 764.128469][T19560] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 764.128471][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128472][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128473][T19560] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 764.128474][T19560] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 764.128476][T19560] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 764.128477][T19560] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 764.128479][T19560] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 764.128480][T19560] ? register_netdev (net/core/dev.c:11618) [ 764.128482][T19560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 764.128484][T19560] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 764.128486][T19560] ? __kernel_text_address (kernel/extable.c:79) [ 764.128489][T19560] ? write_profile (profile.c:?) [ 764.128492][T19560] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 764.128496][T19560] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 764.128497][T19560] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 764.128499][T19560] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 764.128500][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128501][T19560] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 764.128505][T19560] ? kasan_save_stack (mm/kasan/common.c:58) [ 764.128506][T19560] ? kasan_save_stack (mm/kasan/common.c:57) [ 764.128508][T19560] ? kasan_save_track (mm/kasan/common.c:78) [ 764.128513][T19560] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 764.128514][T19560] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 764.128516][T19560] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 764.128517][T19560] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 764.128518][T19560] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 764.128521][T19560] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 764.128523][T19560] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 764.128524][T19560] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 764.128527][T19560] ? ____sys_sendmsg (net/socket.c:2713) [ 764.128528][T19560] ? ___sys_sendmsg (net/socket.c:2767) [ 764.128530][T19560] ? __sys_sendmsg (net/socket.c:2799) [ 764.128532][T19560] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 764.128534][T19560] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 764.128537][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128538][T19560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.128539][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128540][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128541][T19560] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 764.128543][T19560] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 764.128544][T19560] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 764.128545][T19560] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 764.128547][T19560] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 764.128548][T19560] ? nla_get_range_signed (lib/nlattr.c:270) [ 764.128551][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128553][T19560] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 764.128555][T19560] rtnl_newlink (net/core/rtnetlink.c:4215) [ 764.128557][T19560] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 764.128559][T19560] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 764.128561][T19560] ? update_load_avg (kernel/sched/fair.c:5864) [ 764.128563][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128564][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128565][T19560] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 764.128566][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128567][T19560] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 764.128571][T19560] ? finish_task_switch.isra.0 (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/sched/mm.h:54 ./include/linux/sched/mm.h:83 ./include/linux/sched/mm.h:110 kernel/sched/core.c:5402) [ 764.128572][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128573][T19560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.128575][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128576][T19560] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 764.128577][T19560] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 764.128579][T19560] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 764.128580][T19560] ? io_schedule_timeout (kernel/sched/core.c:8159 (discriminator 1)) [ 764.128583][T19560] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 764.128584][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128585][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128586][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128588][T19560] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 764.128589][T19560] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 764.128591][T19560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 764.128592][T19560] ? netlink_ack (./include/linux/skbuff.h:2718) [ 764.128594][T19560] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 764.128597][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128598][T19560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 764.128600][T19560] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 764.128602][T19560] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 764.128604][T19560] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 764.128606][T19560] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 764.128608][T19560] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 764.128610][T19560] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 764.128612][T19560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.128613][T19560] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 764.128617][T19560] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 764.128618][T19560] ____sys_sendmsg (net/socket.c:2713) [ 764.128620][T19560] ? copy_msghdr_from_user (net/socket.c:2650) [ 764.128622][T19560] ? sock_write_iter (net/socket.c:1269) [ 764.128623][T19560] ? move_addr_to_kernel (net/socket.c:258) [ 764.128625][T19560] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 764.128628][T19560] ___sys_sendmsg (net/socket.c:2767) [ 764.128630][T19560] ? copy_msghdr_from_user (net/socket.c:2619) [ 764.128635][T19560] __sys_sendmsg (net/socket.c:2799) [ 764.128637][T19560] ? __sys_sendmsg_sock (net/socket.c:2780) [ 764.128639][T19560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.128641][T19560] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 764.128642][T19560] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 764.128645][T19560] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 764.128646][T19560] RIP: 0033:0x7fd5dc1e154e [ 764.128648][T19560] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 764.128649][T19560] RSP: 002b:00007ffc260a9c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 764.128653][T19560] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd5dc1e154e [ 764.128655][T19560] RDX: 0000000000000000 RSI: 00007ffc260a9cd0 RDI: 0000000000000005 [ 764.128655][T19560] RBP: 00007ffc260a9c30 R08: 0000000000000000 R09: 0000000000000000 [ 764.128656][T19560] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c35 [ 764.128657][T19560] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc260aa390 | [ 765.183791][T19610] softirqs last disabled at (0): 0x0 | [ 765.183792][T19610] Preemption disabled at: | [ 765.183793][T19610] vprintk_emit (kernel/printk/printk.c:2471) | [ 765.183803][T19610] Tainted: [W]=WARN [ 765.183804][T19610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 765.183805][T19610] Call Trace: [ 765.183807][T19610] [ 765.183808][T19610] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 765.183814][T19610] ? vprintk_emit (kernel/printk/printk.c:2471) [ 765.183815][T19610] __might_resched.cold (kernel/sched/core.c:9234) [ 765.183819][T19610] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 765.183821][T19610] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 765.183825][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183827][T19610] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 765.183830][T19610] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 765.183833][T19610] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 765.183838][T19610] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 765.183840][T19610] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 765.183843][T19610] put_chars (drivers/char/virtio_console.c:1176) [ 765.183845][T19610] ? __send_to_port (drivers/char/virtio_console.c:654) [ 765.183846][T19610] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 765.183849][T19610] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 765.183853][T19610] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 765.183855][T19610] ? vsnprintf (lib/vsprintf.c:2900) [ 765.183858][T19610] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 765.183860][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183861][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183863][T19610] console_emit_next_record (kernel/printk/printk.c:3183) [ 765.183866][T19610] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 765.183868][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183869][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183870][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183871][T19610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 765.183873][T19610] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 765.183875][T19610] console_flush_one_record (kernel/printk/printk.c:3268) [ 765.183877][T19610] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 765.183880][T19610] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 765.183882][T19610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 765.183883][T19610] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 765.183885][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183886][T19610] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 765.183887][T19610] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 765.183889][T19610] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 765.183890][T19610] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 765.183893][T19610] ? vprintk_emit (kernel/printk/printk.c:2478) [ 765.183894][T19610] vprintk_emit (kernel/printk/printk.c:2479) [ 765.183896][T19610] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 765.183897][T19610] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 765.183899][T19610] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 765.183902][T19610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 765.183903][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183904][T19610] _printk (kernel/printk/printk.c:2504) [ 765.183907][T19610] ? snapshot_read.cold (user.c:?) [ 765.183909][T19610] ? br_multicast_flood (??:?) [ 765.183913][T19610] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 765.183916][T19610] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 765.183917][T19610] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 765.183919][T19610] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 765.183921][T19610] br_init_port (net/bridge/br_stp_if.c:39) [ 765.183923][T19610] new_nbp (net/bridge/br_if.c:449) [ 765.183925][T19610] br_add_if (net/bridge/br_if.c:592) [ 765.183927][T19610] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 765.183931][T19610] do_set_master (net/core/rtnetlink.c:3071) [ 765.183933][T19610] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 765.183935][T19610] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 765.183936][T19610] ? __dev_get_by_name (net/core/dev.c:905) [ 765.183938][T19610] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 765.183942][T19610] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 765.183944][T19610] rtnl_newlink (net/core/rtnetlink.c:4215) [ 765.183946][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183948][T19610] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 765.183949][T19610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 765.183950][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183952][T19610] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 765.183954][T19610] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 765.183956][T19610] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 765.183958][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183960][T19610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 765.183961][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183962][T19610] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 765.183963][T19610] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 765.183965][T19610] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 765.183967][T19610] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 765.183968][T19610] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 765.183972][T19610] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 765.183975][T19610] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 765.183976][T19610] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 765.183978][T19610] ? netlink_ack (./include/linux/skbuff.h:2718) [ 765.183979][T19610] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 765.183982][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.183984][T19610] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 765.183986][T19610] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 765.183988][T19610] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 765.183990][T19610] ? next_uptodate_folio (mm/filemap.c:3747) [ 765.183993][T19610] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 765.183995][T19610] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 765.183997][T19610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 765.183998][T19610] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 765.184002][T19610] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 765.184005][T19610] ____sys_sendmsg (net/socket.c:2713) [ 765.184006][T19610] ? copy_msghdr_from_user (net/socket.c:2650) [ 765.184008][T19610] ? sock_write_iter (net/socket.c:1269) [ 765.184010][T19610] ? move_addr_to_kernel (net/socket.c:258) [ 765.184012][T19610] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 765.184014][T19610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 765.184016][T19610] ___sys_sendmsg (net/socket.c:2767) [ 765.184018][T19610] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 765.184019][T19610] ? copy_msghdr_from_user (net/socket.c:2619) [ 765.184021][T19610] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 765.184026][T19610] __sys_sendmsg (net/socket.c:2799) [ 765.184028][T19610] ? __sys_sendmsg_sock (net/socket.c:2780) [ 765.184031][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.184032][T19610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 765.184033][T19610] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 765.184036][T19610] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 765.184038][T19610] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 765.184040][T19610] RIP: 0033:0x7f4c4d70854e [ 765.184042][T19610] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 765.184044][T19610] RSP: 002b:00007ffcf899c4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 765.184047][T19610] RAX: ffffffffffffffda RBX: 00007ffcf899cc78 RCX: 00007f4c4d70854e [ 765.184049][T19610] RDX: 0000000000000000 RSI: 00007ffcf899c560 RDI: 0000000000000005 [ 765.184050][T19610] RBP: 00007ffcf899c4c0 R08: 0000000000000000 R09: 0000000000000000 [ 765.184051][T19610] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c36 [ 765.184052][T19610] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf899cc30 | [ 800.622566][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 800.622569][ T12] Preemption disabled at: | [ 800.622570][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 800.622582][ T12] Tainted: [W]=WARN [ 800.622583][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 800.622585][ T12] Workqueue: netns cleanup_net [ 800.622591][ T12] Call Trace: [ 800.622592][ T12] [ 800.622594][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 800.622600][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 800.622601][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 800.622605][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 800.622607][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 800.622611][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622614][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 800.622617][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 800.622620][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 800.622625][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 800.622627][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 800.622630][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 800.622632][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 800.622634][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 800.622637][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 800.622646][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 800.622648][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 800.622650][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 800.622652][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622653][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622655][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 800.622658][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 800.622661][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622662][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622664][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622665][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 800.622667][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 800.622669][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 800.622672][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 800.622675][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 800.622677][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 800.622679][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 800.622681][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622682][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 800.622683][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 800.622685][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 800.622687][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 800.622689][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 800.622691][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 800.622693][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 800.622694][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 800.622696][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 800.622699][ T12] ? kthread (kernel/kthread.c:436) [ 800.622701][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 800.622704][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 800.622707][ T12] _printk (kernel/printk/printk.c:2504) [ 800.622710][ T12] ? snapshot_read.cold (user.c:?) [ 800.622713][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 800.622716][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 800.622718][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 800.622721][ T12] ? netdev_notice (net/core/dev.c:13194) [ 800.622723][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622725][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 800.622726][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 800.622730][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 800.622731][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 800.622733][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 800.622736][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 800.622739][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 800.622742][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 800.622745][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 800.622748][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 800.622750][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 800.622752][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 800.622756][ T12] cleanup_net (net/core/net_namespace.c:706) [ 800.622758][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 800.622760][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 800.622762][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.622764][ T12] process_one_work (kernel/workqueue.c:3387) [ 800.622767][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 800.622770][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 800.622773][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 800.622776][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 800.622779][ T12] kthread (kernel/kthread.c:436) [ 800.622780][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 800.622782][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 800.622785][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 800.622787][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 800.622789][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 800.622792][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 800.622794][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 801.846750][T21986] softirqs last disabled at (0): 0x0 | [ 801.846752][T21986] Preemption disabled at: | [ 801.846753][T21986] vprintk_emit (kernel/printk/printk.c:2471) | [ 801.846763][T21986] Tainted: [W]=WARN [ 801.846764][T21986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 801.846765][T21986] Call Trace: [ 801.846767][T21986] [ 801.846768][T21986] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 801.846774][T21986] ? vprintk_emit (kernel/printk/printk.c:2471) [ 801.846775][T21986] __might_resched.cold (kernel/sched/core.c:9234) [ 801.846779][T21986] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 801.846781][T21986] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 801.846784][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846787][T21986] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 801.846789][T21986] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 801.846793][T21986] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 801.846798][T21986] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 801.846799][T21986] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 801.846802][T21986] put_chars (drivers/char/virtio_console.c:1176) [ 801.846804][T21986] ? __send_to_port (drivers/char/virtio_console.c:654) [ 801.846805][T21986] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 801.846808][T21986] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 801.846812][T21986] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 801.846814][T21986] ? vsnprintf (lib/vsprintf.c:2900) [ 801.846817][T21986] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 801.846819][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846820][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846821][T21986] console_emit_next_record (kernel/printk/printk.c:3183) [ 801.846824][T21986] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 801.846826][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846827][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846828][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846829][T21986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.846832][T21986] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 801.846834][T21986] console_flush_one_record (kernel/printk/printk.c:3268) [ 801.846836][T21986] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 801.846839][T21986] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 801.846841][T21986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.846842][T21986] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 801.846844][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846845][T21986] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 801.846847][T21986] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 801.846848][T21986] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 801.846850][T21986] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 801.846852][T21986] ? vprintk_emit (kernel/printk/printk.c:2478) [ 801.846853][T21986] vprintk_emit (kernel/printk/printk.c:2479) [ 801.846855][T21986] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 801.846856][T21986] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 801.846858][T21986] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 801.846861][T21986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.846862][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846864][T21986] _printk (kernel/printk/printk.c:2504) [ 801.846867][T21986] ? snapshot_read.cold (user.c:?) [ 801.846869][T21986] ? br_multicast_flood (??:?) [ 801.846872][T21986] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 801.846875][T21986] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 801.846876][T21986] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 801.846878][T21986] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 801.846881][T21986] br_init_port (net/bridge/br_stp_if.c:39) [ 801.846883][T21986] new_nbp (net/bridge/br_if.c:449) [ 801.846885][T21986] br_add_if (net/bridge/br_if.c:592) [ 801.846887][T21986] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 801.846891][T21986] do_set_master (net/core/rtnetlink.c:3071) [ 801.846892][T21986] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 801.846894][T21986] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 801.846896][T21986] ? __dev_get_by_name (net/core/dev.c:905) [ 801.846897][T21986] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 801.846901][T21986] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 801.846904][T21986] rtnl_newlink (net/core/rtnetlink.c:4215) [ 801.846906][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846907][T21986] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 801.846908][T21986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.846910][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846911][T21986] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 801.846914][T21986] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 801.846915][T21986] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 801.846918][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846919][T21986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.846921][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846922][T21986] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 801.846923][T21986] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 801.846925][T21986] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 801.846926][T21986] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 801.846928][T21986] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 801.846932][T21986] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 801.846935][T21986] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 801.846936][T21986] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 801.846938][T21986] ? netlink_ack (./include/linux/skbuff.h:2718) [ 801.846940][T21986] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 801.846942][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846944][T21986] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 801.846946][T21986] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 801.846948][T21986] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 801.846950][T21986] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 801.846952][T21986] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 801.846955][T21986] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 801.846957][T21986] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 801.846959][T21986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.846961][T21986] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 801.846964][T21986] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 801.846967][T21986] ____sys_sendmsg (net/socket.c:2713) [ 801.846969][T21986] ? copy_msghdr_from_user (net/socket.c:2650) [ 801.846970][T21986] ? sock_write_iter (net/socket.c:1269) [ 801.846972][T21986] ? move_addr_to_kernel (net/socket.c:258) [ 801.846974][T21986] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 801.846977][T21986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.846978][T21986] ___sys_sendmsg (net/socket.c:2767) [ 801.846980][T21986] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 801.846982][T21986] ? copy_msghdr_from_user (net/socket.c:2619) [ 801.846984][T21986] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 801.846988][T21986] __sys_sendmsg (net/socket.c:2799) [ 801.846990][T21986] ? __sys_sendmsg_sock (net/socket.c:2780) [ 801.846993][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846994][T21986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.846995][T21986] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 801.846998][T21986] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 801.847000][T21986] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 801.847001][T21986] RIP: 0033:0x7f691eb0f54e [ 801.847003][T21986] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 801.847005][T21986] RSP: 002b:00007fff0abb2270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 801.847009][T21986] RAX: ffffffffffffffda RBX: 00007fff0abb2a38 RCX: 00007f691eb0f54e [ 801.847010][T21986] RDX: 0000000000000000 RSI: 00007fff0abb2320 RDI: 0000000000000005 [ 801.847011][T21986] RBP: 00007fff0abb2280 R08: 0000000000000000 R09: 0000000000000000 [ 801.847012][T21986] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c5b [ 801.847013][T21986] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0abb29f0 | [ 803.170614][T22054] softirqs last disabled at (0): 0x0 | [ 803.170616][T22054] Preemption disabled at: | [ 803.170617][T22054] vprintk_emit (kernel/printk/printk.c:2471) | [ 803.170628][T22054] Tainted: [W]=WARN [ 803.170629][T22054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 803.170630][T22054] Call Trace: [ 803.170632][T22054] [ 803.170633][T22054] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 803.170639][T22054] ? vprintk_emit (kernel/printk/printk.c:2471) [ 803.170640][T22054] __might_resched.cold (kernel/sched/core.c:9234) [ 803.170645][T22054] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 803.170654][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170656][T22054] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 803.170659][T22054] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 803.170662][T22054] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 803.170668][T22054] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 803.170670][T22054] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 803.170672][T22054] put_chars (drivers/char/virtio_console.c:1176) [ 803.170674][T22054] ? __send_to_port (drivers/char/virtio_console.c:654) [ 803.170675][T22054] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 803.170677][T22054] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 803.170680][T22054] ? pointer (lib/vsprintf.c:2577) [ 803.170684][T22054] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 803.170689][T22054] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 803.170690][T22054] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 803.170692][T22054] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.170695][T22054] console_emit_next_record (kernel/printk/printk.c:3183) [ 803.170698][T22054] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 803.170700][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170701][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170702][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170703][T22054] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.170705][T22054] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 803.170707][T22054] console_flush_one_record (kernel/printk/printk.c:3268) [ 803.170710][T22054] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 803.170712][T22054] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 803.170714][T22054] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.170716][T22054] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 803.170718][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170719][T22054] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 803.170720][T22054] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 803.170722][T22054] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 803.170723][T22054] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 803.170726][T22054] ? vprintk_emit (kernel/printk/printk.c:2478) [ 803.170727][T22054] vprintk_emit (kernel/printk/printk.c:2479) [ 803.170729][T22054] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 803.170730][T22054] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 803.170732][T22054] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 803.170736][T22054] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 803.170738][T22054] _printk (kernel/printk/printk.c:2504) [ 803.170741][T22054] ? snapshot_read.cold (user.c:?) [ 803.170743][T22054] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 803.170745][T22054] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 803.170749][T22054] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 803.170751][T22054] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 803.170754][T22054] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 803.170756][T22054] ? netdev_notice (net/core/dev.c:13194) [ 803.170758][T22054] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 803.170760][T22054] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 803.170763][T22054] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 803.170764][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170765][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170766][T22054] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 803.170768][T22054] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 803.170770][T22054] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 803.170771][T22054] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 803.170772][T22054] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 803.170775][T22054] ? register_netdev (net/core/dev.c:11618) [ 803.170776][T22054] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 803.170778][T22054] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 803.170781][T22054] ? __kernel_text_address (kernel/extable.c:79) [ 803.170783][T22054] ? write_profile (profile.c:?) [ 803.170786][T22054] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 803.170790][T22054] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 803.170792][T22054] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 803.170794][T22054] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 803.170795][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170796][T22054] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 803.170800][T22054] ? kasan_save_stack (mm/kasan/common.c:58) [ 803.170802][T22054] ? kasan_save_stack (mm/kasan/common.c:57) [ 803.170803][T22054] ? kasan_save_track (mm/kasan/common.c:78) [ 803.170804][T22054] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 803.170805][T22054] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 803.170806][T22054] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 803.170807][T22054] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 803.170809][T22054] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 803.170812][T22054] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 803.170813][T22054] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 803.170815][T22054] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 803.170818][T22054] ? ____sys_sendmsg (net/socket.c:2713) [ 803.170819][T22054] ? ___sys_sendmsg (net/socket.c:2767) [ 803.170821][T22054] ? __sys_sendmsg (net/socket.c:2799) [ 803.170822][T22054] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 803.170825][T22054] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 803.170827][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170828][T22054] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.170830][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170831][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170832][T22054] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 803.170834][T22054] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 803.170835][T22054] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 803.170836][T22054] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 803.170838][T22054] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 803.170839][T22054] ? nla_get_range_signed (lib/nlattr.c:270) [ 803.170843][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170844][T22054] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 803.170846][T22054] rtnl_newlink (net/core/rtnetlink.c:4215) [ 803.170848][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170849][T22054] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 803.170851][T22054] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.170852][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170854][T22054] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 803.170856][T22054] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 803.170857][T22054] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 803.170859][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170860][T22054] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 803.170863][T22054] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 803.170866][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170867][T22054] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.170868][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170870][T22054] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 803.170871][T22054] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 803.170873][T22054] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 803.170874][T22054] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 803.170876][T22054] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 803.170879][T22054] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 803.170880][T22054] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 803.170882][T22054] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 803.170883][T22054] ? netlink_ack (./include/linux/skbuff.h:2718) [ 803.170885][T22054] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 803.170888][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170889][T22054] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 803.170891][T22054] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 803.170894][T22054] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 803.170896][T22054] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 803.170898][T22054] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 803.170900][T22054] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 803.170901][T22054] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 803.170903][T22054] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.170905][T22054] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 803.170908][T22054] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 803.170910][T22054] ____sys_sendmsg (net/socket.c:2713) [ 803.170912][T22054] ? copy_msghdr_from_user (net/socket.c:2650) [ 803.170914][T22054] ? sock_write_iter (net/socket.c:1269) [ 803.170915][T22054] ? move_addr_to_kernel (net/socket.c:258) [ 803.170917][T22054] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 803.170919][T22054] ___sys_sendmsg (net/socket.c:2767) [ 803.170921][T22054] ? copy_msghdr_from_user (net/socket.c:2619) [ 803.170926][T22054] __sys_sendmsg (net/socket.c:2799) [ 803.170928][T22054] ? __sys_sendmsg_sock (net/socket.c:2780) [ 803.170931][T22054] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.170933][T22054] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 803.170935][T22054] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 803.170937][T22054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 803.170938][T22054] RIP: 0033:0x7f5dd246f54e [ 803.170940][T22054] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 803.170942][T22054] RSP: 002b:00007ffcb89b1be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 803.170946][T22054] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5dd246f54e [ 803.170947][T22054] RDX: 0000000000000000 RSI: 00007ffcb89b1c90 RDI: 0000000000000005 [ 803.170948][T22054] RBP: 00007ffcb89b1bf0 R08: 0000000000000000 R09: 0000000000000000 [ 803.170949][T22054] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c5c [ 803.170950][T22054] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb89b2350 | [ 804.277620][T22112] softirqs last disabled at (0): 0x0 | [ 804.277622][T22112] Preemption disabled at: | [ 804.277623][T22112] vprintk_emit (kernel/printk/printk.c:2471) | [ 804.277632][T22112] Tainted: [W]=WARN [ 804.277633][T22112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 804.277635][T22112] Call Trace: [ 804.277637][T22112] [ 804.277638][T22112] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 804.277644][T22112] ? vprintk_emit (kernel/printk/printk.c:2471) [ 804.277645][T22112] __might_resched.cold (kernel/sched/core.c:9234) [ 804.277648][T22112] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 804.277655][T22112] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 804.277658][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277661][T22112] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 804.277664][T22112] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 804.277667][T22112] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 804.277672][T22112] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 804.277674][T22112] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 804.277676][T22112] put_chars (drivers/char/virtio_console.c:1176) [ 804.277678][T22112] ? __send_to_port (drivers/char/virtio_console.c:654) [ 804.277680][T22112] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 804.277683][T22112] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 804.277687][T22112] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 804.277689][T22112] ? vsnprintf (lib/vsprintf.c:2900) [ 804.277692][T22112] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 804.277694][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277695][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277697][T22112] console_emit_next_record (kernel/printk/printk.c:3183) [ 804.277700][T22112] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 804.277702][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277703][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277704][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277705][T22112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 804.277707][T22112] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 804.277709][T22112] console_flush_one_record (kernel/printk/printk.c:3268) [ 804.277712][T22112] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 804.277714][T22112] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 804.277716][T22112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 804.277718][T22112] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 804.277719][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277721][T22112] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 804.277722][T22112] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 804.277724][T22112] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 804.277725][T22112] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 804.277727][T22112] ? vprintk_emit (kernel/printk/printk.c:2478) [ 804.277729][T22112] vprintk_emit (kernel/printk/printk.c:2479) [ 804.277731][T22112] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 804.277732][T22112] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 804.277734][T22112] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 804.277737][T22112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 804.277738][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277740][T22112] _printk (kernel/printk/printk.c:2504) [ 804.277743][T22112] ? snapshot_read.cold (user.c:?) [ 804.277745][T22112] ? br_multicast_flood (??:?) [ 804.277748][T22112] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 804.277751][T22112] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 804.277752][T22112] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 804.277754][T22112] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 804.277757][T22112] br_init_port (net/bridge/br_stp_if.c:39) [ 804.277759][T22112] new_nbp (net/bridge/br_if.c:449) [ 804.277761][T22112] br_add_if (net/bridge/br_if.c:592) [ 804.277763][T22112] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 804.277767][T22112] do_set_master (net/core/rtnetlink.c:3071) [ 804.277769][T22112] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 804.277771][T22112] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 804.277772][T22112] ? __dev_get_by_name (net/core/dev.c:905) [ 804.277774][T22112] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 804.277778][T22112] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 804.277780][T22112] rtnl_newlink (net/core/rtnetlink.c:4215) [ 804.277782][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277784][T22112] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 804.277785][T22112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 804.277786][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277788][T22112] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 804.277791][T22112] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 804.277792][T22112] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 804.277795][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277796][T22112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 804.277797][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277799][T22112] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 804.277800][T22112] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 804.277802][T22112] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 804.277803][T22112] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 804.277805][T22112] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 804.277808][T22112] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 804.277811][T22112] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 804.277813][T22112] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 804.277814][T22112] ? netlink_ack (./include/linux/skbuff.h:2718) [ 804.277816][T22112] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 804.277819][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277820][T22112] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 804.277822][T22112] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 804.277825][T22112] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 804.277827][T22112] ? next_uptodate_folio (mm/filemap.c:3747) [ 804.277830][T22112] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 804.277832][T22112] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 804.277834][T22112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 804.277835][T22112] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 804.277839][T22112] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 804.277842][T22112] ____sys_sendmsg (net/socket.c:2713) [ 804.277844][T22112] ? copy_msghdr_from_user (net/socket.c:2650) [ 804.277846][T22112] ? sock_write_iter (net/socket.c:1269) [ 804.277847][T22112] ? move_addr_to_kernel (net/socket.c:258) [ 804.277849][T22112] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 804.277852][T22112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 804.277854][T22112] ___sys_sendmsg (net/socket.c:2767) [ 804.277856][T22112] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 804.277858][T22112] ? copy_msghdr_from_user (net/socket.c:2619) [ 804.277859][T22112] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 804.277864][T22112] __sys_sendmsg (net/socket.c:2799) [ 804.277866][T22112] ? __sys_sendmsg_sock (net/socket.c:2780) [ 804.277869][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277870][T22112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 804.277871][T22112] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 804.277874][T22112] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 804.277876][T22112] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 804.277878][T22112] RIP: 0033:0x7fa9f369954e [ 804.277880][T22112] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 804.277882][T22112] RSP: 002b:00007fffc054a560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 804.277886][T22112] RAX: ffffffffffffffda RBX: 00007fffc054ad28 RCX: 00007fa9f369954e [ 804.277887][T22112] RDX: 0000000000000000 RSI: 00007fffc054a610 RDI: 0000000000000005 [ 804.277888][T22112] RBP: 00007fffc054a570 R08: 0000000000000000 R09: 0000000000000000 [ 804.277889][T22112] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c5d [ 804.277890][T22112] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc054ace0 | [ 839.726655][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 839.726657][ T12] Preemption disabled at: | [ 839.726658][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 839.726668][ T12] Tainted: [W]=WARN [ 839.726670][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 839.726671][ T12] Workqueue: netns cleanup_net [ 839.726677][ T12] Call Trace: [ 839.726679][ T12] [ 839.726681][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 839.726686][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 839.726687][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 839.726691][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 839.726693][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 839.726696][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726699][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 839.726702][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 839.726705][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 839.726710][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 839.726712][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 839.726714][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 839.726716][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 839.726718][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 839.726720][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 839.726725][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 839.726727][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 839.726729][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 839.726731][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726732][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726734][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 839.726736][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 839.726738][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726739][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726740][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726741][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 839.726744][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 839.726746][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 839.726748][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 839.726751][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 839.726753][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 839.726754][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 839.726756][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726757][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 839.726759][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 839.726760][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 839.726762][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 839.726764][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 839.726765][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 839.726767][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 839.726768][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 839.726770][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 839.726773][ T12] ? kthread (kernel/kthread.c:436) [ 839.726784][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 839.726787][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 839.726790][ T12] _printk (kernel/printk/printk.c:2504) [ 839.726793][ T12] ? snapshot_read.cold (user.c:?) [ 839.726795][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 839.726798][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 839.726800][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 839.726803][ T12] ? netdev_notice (net/core/dev.c:13194) [ 839.726805][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726806][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 839.726807][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 839.726810][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 839.726812][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 839.726813][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 839.726816][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 839.726818][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 839.726822][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 839.726825][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 839.726827][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 839.726830][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 839.726831][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 839.726834][ T12] cleanup_net (net/core/net_namespace.c:706) [ 839.726836][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 839.726838][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 839.726840][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.726842][ T12] process_one_work (kernel/workqueue.c:3387) [ 839.726844][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 839.726847][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 839.726849][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 839.726852][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 839.726854][ T12] kthread (kernel/kthread.c:436) [ 839.726856][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 839.726858][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 839.726860][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 839.726861][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 839.726863][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 839.726866][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 839.726868][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 840.952523][T24246] softirqs last disabled at (0): 0x0 | [ 840.952525][T24246] Preemption disabled at: | [ 840.952526][T24246] vprintk_emit (kernel/printk/printk.c:2471) | [ 840.952536][T24246] Tainted: [W]=WARN [ 840.952538][T24246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 840.952539][T24246] Call Trace: [ 840.952541][T24246] [ 840.952542][T24246] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 840.952548][T24246] ? vprintk_emit (kernel/printk/printk.c:2471) [ 840.952550][T24246] __might_resched.cold (kernel/sched/core.c:9234) [ 840.952553][T24246] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 840.952556][T24246] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 840.952559][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952562][T24246] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 840.952565][T24246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 840.952568][T24246] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 840.952573][T24246] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 840.952575][T24246] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 840.952578][T24246] put_chars (drivers/char/virtio_console.c:1176) [ 840.952580][T24246] ? __send_to_port (drivers/char/virtio_console.c:654) [ 840.952581][T24246] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 840.952584][T24246] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 840.952589][T24246] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 840.952591][T24246] ? vsnprintf (lib/vsprintf.c:2900) [ 840.952594][T24246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 840.952596][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952597][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952599][T24246] console_emit_next_record (kernel/printk/printk.c:3183) [ 840.952602][T24246] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 840.952604][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952605][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952606][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952608][T24246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.952610][T24246] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 840.952612][T24246] console_flush_one_record (kernel/printk/printk.c:3268) [ 840.952614][T24246] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 840.952617][T24246] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 840.952619][T24246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.952621][T24246] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 840.952623][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952624][T24246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 840.952625][T24246] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 840.952627][T24246] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 840.952628][T24246] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 840.952630][T24246] ? vprintk_emit (kernel/printk/printk.c:2478) [ 840.952632][T24246] vprintk_emit (kernel/printk/printk.c:2479) [ 840.952634][T24246] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 840.952635][T24246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 840.952637][T24246] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 840.952640][T24246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.952641][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952643][T24246] _printk (kernel/printk/printk.c:2504) [ 840.952646][T24246] ? snapshot_read.cold (user.c:?) [ 840.952649][T24246] ? br_multicast_flood (??:?) [ 840.952652][T24246] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 840.952655][T24246] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 840.952656][T24246] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 840.952658][T24246] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 840.952661][T24246] br_init_port (net/bridge/br_stp_if.c:39) [ 840.952663][T24246] new_nbp (net/bridge/br_if.c:449) [ 840.952665][T24246] br_add_if (net/bridge/br_if.c:592) [ 840.952667][T24246] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 840.952672][T24246] do_set_master (net/core/rtnetlink.c:3071) [ 840.952673][T24246] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 840.952675][T24246] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 840.952677][T24246] ? __dev_get_by_name (net/core/dev.c:905) [ 840.952679][T24246] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 840.952684][T24246] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 840.952686][T24246] rtnl_newlink (net/core/rtnetlink.c:4215) [ 840.952689][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952690][T24246] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 840.952691][T24246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.952693][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952694][T24246] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 840.952697][T24246] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 840.952699][T24246] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 840.952702][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952703][T24246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.952705][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952706][T24246] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 840.952708][T24246] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 840.952709][T24246] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 840.952711][T24246] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 840.952712][T24246] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 840.952717][T24246] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 840.952719][T24246] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 840.952721][T24246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 840.952723][T24246] ? netlink_ack (./include/linux/skbuff.h:2718) [ 840.952724][T24246] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 840.952728][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952729][T24246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 840.952731][T24246] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 840.952733][T24246] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 840.952735][T24246] ? next_uptodate_folio (mm/filemap.c:3747) [ 840.952739][T24246] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 840.952741][T24246] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 840.952743][T24246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.952745][T24246] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 840.952748][T24246] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 840.952752][T24246] ____sys_sendmsg (net/socket.c:2713) [ 840.952753][T24246] ? copy_msghdr_from_user (net/socket.c:2650) [ 840.952755][T24246] ? sock_write_iter (net/socket.c:1269) [ 840.952757][T24246] ? move_addr_to_kernel (net/socket.c:258) [ 840.952759][T24246] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 840.952761][T24246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.952763][T24246] ___sys_sendmsg (net/socket.c:2767) [ 840.952765][T24246] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 840.952767][T24246] ? copy_msghdr_from_user (net/socket.c:2619) [ 840.952769][T24246] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 840.952774][T24246] __sys_sendmsg (net/socket.c:2799) [ 840.952776][T24246] ? __sys_sendmsg_sock (net/socket.c:2780) [ 840.952779][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952784][T24246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.952786][T24246] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 840.952789][T24246] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 840.952791][T24246] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 840.952793][T24246] RIP: 0033:0x7ff1359bb54e [ 840.952795][T24246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 840.952797][T24246] RSP: 002b:00007ffeba665a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 840.952800][T24246] RAX: ffffffffffffffda RBX: 00007ffeba666248 RCX: 00007ff1359bb54e [ 840.952802][T24246] RDX: 0000000000000000 RSI: 00007ffeba665b30 RDI: 0000000000000005 [ 840.952803][T24246] RBP: 00007ffeba665a90 R08: 0000000000000000 R09: 0000000000000000 [ 840.952804][T24246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c82 [ 840.952805][T24246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeba666200 | [ 842.266348][T24316] softirqs last disabled at (0): 0x0 | [ 842.266350][T24316] Preemption disabled at: | [ 842.266350][T24316] vprintk_emit (kernel/printk/printk.c:2471) | [ 842.266361][T24316] Tainted: [W]=WARN [ 842.266362][T24316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 842.266363][T24316] Call Trace: [ 842.266365][T24316] [ 842.266366][T24316] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 842.266372][T24316] ? vprintk_emit (kernel/printk/printk.c:2471) [ 842.266373][T24316] __might_resched.cold (kernel/sched/core.c:9234) [ 842.266377][T24316] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 842.266381][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266383][T24316] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 842.266387][T24316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 842.266389][T24316] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 842.266395][T24316] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 842.266396][T24316] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 842.266399][T24316] put_chars (drivers/char/virtio_console.c:1176) [ 842.266401][T24316] ? __send_to_port (drivers/char/virtio_console.c:654) [ 842.266402][T24316] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 842.266405][T24316] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 842.266407][T24316] ? pointer (lib/vsprintf.c:2577) [ 842.266410][T24316] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 842.266415][T24316] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 842.266417][T24316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 842.266419][T24316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.266421][T24316] console_emit_next_record (kernel/printk/printk.c:3183) [ 842.266424][T24316] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 842.266426][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266427][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266428][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266430][T24316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.266432][T24316] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 842.266434][T24316] console_flush_one_record (kernel/printk/printk.c:3268) [ 842.266436][T24316] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 842.266439][T24316] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 842.266441][T24316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.266443][T24316] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 842.266444][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266445][T24316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 842.266447][T24316] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 842.266449][T24316] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 842.266450][T24316] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 842.266452][T24316] ? vprintk_emit (kernel/printk/printk.c:2478) [ 842.266454][T24316] vprintk_emit (kernel/printk/printk.c:2479) [ 842.266455][T24316] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 842.266457][T24316] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 842.266459][T24316] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 842.266462][T24316] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 842.266465][T24316] _printk (kernel/printk/printk.c:2504) [ 842.266468][T24316] ? snapshot_read.cold (user.c:?) [ 842.266470][T24316] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 842.266472][T24316] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 842.266476][T24316] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 842.266477][T24316] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 842.266481][T24316] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 842.266483][T24316] ? netdev_notice (net/core/dev.c:13194) [ 842.266486][T24316] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 842.266487][T24316] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 842.266490][T24316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 842.266492][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266493][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266494][T24316] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 842.266496][T24316] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 842.266497][T24316] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 842.266499][T24316] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 842.266500][T24316] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 842.266502][T24316] ? register_netdev (net/core/dev.c:11618) [ 842.266503][T24316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 842.266505][T24316] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 842.266509][T24316] ? __kernel_text_address (kernel/extable.c:79) [ 842.266511][T24316] ? write_profile (profile.c:?) [ 842.266514][T24316] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 842.266517][T24316] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 842.266520][T24316] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 842.266521][T24316] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 842.266522][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266524][T24316] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 842.266527][T24316] ? kasan_save_stack (mm/kasan/common.c:58) [ 842.266529][T24316] ? kasan_save_stack (mm/kasan/common.c:57) [ 842.266530][T24316] ? kasan_save_track (mm/kasan/common.c:78) [ 842.266532][T24316] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 842.266533][T24316] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 842.266534][T24316] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 842.266535][T24316] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 842.266537][T24316] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 842.266539][T24316] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 842.266541][T24316] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 842.266543][T24316] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 842.266545][T24316] ? ____sys_sendmsg (net/socket.c:2713) [ 842.266547][T24316] ? ___sys_sendmsg (net/socket.c:2767) [ 842.266548][T24316] ? __sys_sendmsg (net/socket.c:2799) [ 842.266550][T24316] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 842.266553][T24316] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 842.266555][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266556][T24316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.266558][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266559][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266560][T24316] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 842.266562][T24316] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 842.266563][T24316] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 842.266564][T24316] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 842.266566][T24316] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 842.266567][T24316] ? nla_get_range_signed (lib/nlattr.c:270) [ 842.266571][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266572][T24316] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 842.266574][T24316] rtnl_newlink (net/core/rtnetlink.c:4215) [ 842.266576][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266577][T24316] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 842.266579][T24316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.266580][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266582][T24316] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 842.266584][T24316] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 842.266585][T24316] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 842.266587][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266588][T24316] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 842.266591][T24316] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 842.266594][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266595][T24316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.266597][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266598][T24316] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 842.266600][T24316] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 842.266601][T24316] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 842.266603][T24316] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 842.266605][T24316] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 842.266607][T24316] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 842.266609][T24316] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 842.266610][T24316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 842.266612][T24316] ? netlink_ack (./include/linux/skbuff.h:2718) [ 842.266613][T24316] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 842.266617][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266618][T24316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 842.266620][T24316] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 842.266622][T24316] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 842.266624][T24316] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 842.266626][T24316] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 842.266628][T24316] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 842.266630][T24316] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 842.266632][T24316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.266633][T24316] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 842.266636][T24316] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 842.266638][T24316] ____sys_sendmsg (net/socket.c:2713) [ 842.266640][T24316] ? copy_msghdr_from_user (net/socket.c:2650) [ 842.266642][T24316] ? sock_write_iter (net/socket.c:1269) [ 842.266643][T24316] ? move_addr_to_kernel (net/socket.c:258) [ 842.266645][T24316] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 842.266648][T24316] ___sys_sendmsg (net/socket.c:2767) [ 842.266650][T24316] ? copy_msghdr_from_user (net/socket.c:2619) [ 842.266655][T24316] __sys_sendmsg (net/socket.c:2799) [ 842.266657][T24316] ? __sys_sendmsg_sock (net/socket.c:2780) [ 842.266660][T24316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.266661][T24316] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 842.266663][T24316] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 842.266665][T24316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 842.266667][T24316] RIP: 0033:0x7f0dc2aef54e [ 842.266669][T24316] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 842.266670][T24316] RSP: 002b:00007fffbf689f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 842.266674][T24316] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0dc2aef54e [ 842.266676][T24316] RDX: 0000000000000000 RSI: 00007fffbf689ff0 RDI: 0000000000000005 [ 842.266677][T24316] RBP: 00007fffbf689f50 R08: 0000000000000000 R09: 0000000000000000 [ 842.266678][T24316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c83 [ 842.266679][T24316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbf68a6b0 | [ 843.348475][T24374] softirqs last disabled at (0): 0x0 | [ 843.348477][T24374] Preemption disabled at: | [ 843.348478][T24374] vprintk_emit (kernel/printk/printk.c:2471) | [ 843.348488][T24374] Tainted: [W]=WARN [ 843.348489][T24374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 843.348491][T24374] Call Trace: [ 843.348492][T24374] [ 843.348494][T24374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 843.348499][T24374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 843.348501][T24374] __might_resched.cold (kernel/sched/core.c:9234) [ 843.348504][T24374] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 843.348507][T24374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 843.348510][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348512][T24374] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 843.348515][T24374] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 843.348518][T24374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 843.348523][T24374] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 843.348525][T24374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 843.348528][T24374] put_chars (drivers/char/virtio_console.c:1176) [ 843.348529][T24374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 843.348531][T24374] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 843.348534][T24374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 843.348538][T24374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 843.348540][T24374] ? vsnprintf (lib/vsprintf.c:2900) [ 843.348543][T24374] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 843.348545][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348546][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348548][T24374] console_emit_next_record (kernel/printk/printk.c:3183) [ 843.348550][T24374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 843.348552][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348553][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348555][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348556][T24374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 843.348558][T24374] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 843.348560][T24374] console_flush_one_record (kernel/printk/printk.c:3268) [ 843.348562][T24374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 843.348565][T24374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 843.348567][T24374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 843.348569][T24374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 843.348570][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348571][T24374] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 843.348573][T24374] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 843.348574][T24374] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 843.348576][T24374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 843.348578][T24374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 843.348579][T24374] vprintk_emit (kernel/printk/printk.c:2479) [ 843.348581][T24374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 843.348582][T24374] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 843.348584][T24374] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 843.348587][T24374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 843.348589][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348590][T24374] _printk (kernel/printk/printk.c:2504) [ 843.348593][T24374] ? snapshot_read.cold (user.c:?) [ 843.348595][T24374] ? br_multicast_flood (??:?) [ 843.348598][T24374] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 843.348601][T24374] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 843.348602][T24374] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 843.348604][T24374] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 843.348607][T24374] br_init_port (net/bridge/br_stp_if.c:39) [ 843.348609][T24374] new_nbp (net/bridge/br_if.c:449) [ 843.348611][T24374] br_add_if (net/bridge/br_if.c:592) [ 843.348613][T24374] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 843.348617][T24374] do_set_master (net/core/rtnetlink.c:3071) [ 843.348619][T24374] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 843.348621][T24374] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 843.348622][T24374] ? __dev_get_by_name (net/core/dev.c:905) [ 843.348624][T24374] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 843.348627][T24374] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 843.348630][T24374] rtnl_newlink (net/core/rtnetlink.c:4215) [ 843.348632][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348633][T24374] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 843.348634][T24374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 843.348636][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348637][T24374] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 843.348640][T24374] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 843.348642][T24374] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 843.348644][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348645][T24374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 843.348647][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348648][T24374] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 843.348649][T24374] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 843.348651][T24374] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 843.348652][T24374] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 843.348654][T24374] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 843.348657][T24374] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 843.348660][T24374] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 843.348661][T24374] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 843.348663][T24374] ? netlink_ack (./include/linux/skbuff.h:2718) [ 843.348665][T24374] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 843.348668][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348669][T24374] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 843.348671][T24374] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 843.348673][T24374] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 843.348675][T24374] ? next_uptodate_folio (mm/filemap.c:3747) [ 843.348678][T24374] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 843.348680][T24374] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 843.348682][T24374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 843.348684][T24374] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 843.348687][T24374] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 843.348690][T24374] ____sys_sendmsg (net/socket.c:2713) [ 843.348691][T24374] ? copy_msghdr_from_user (net/socket.c:2650) [ 843.348693][T24374] ? sock_write_iter (net/socket.c:1269) [ 843.348695][T24374] ? move_addr_to_kernel (net/socket.c:258) [ 843.348697][T24374] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 843.348699][T24374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 843.348701][T24374] ___sys_sendmsg (net/socket.c:2767) [ 843.348703][T24374] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 843.348704][T24374] ? copy_msghdr_from_user (net/socket.c:2619) [ 843.348706][T24374] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 843.348711][T24374] __sys_sendmsg (net/socket.c:2799) [ 843.348713][T24374] ? __sys_sendmsg_sock (net/socket.c:2780) [ 843.348715][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348717][T24374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 843.348718][T24374] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 843.348721][T24374] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 843.348723][T24374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 843.348725][T24374] RIP: 0033:0x7f759baab54e [ 843.348727][T24374] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 843.348729][T24374] RSP: 002b:00007ffd0643c770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 843.348732][T24374] RAX: ffffffffffffffda RBX: 00007ffd0643cf38 RCX: 00007f759baab54e [ 843.348734][T24374] RDX: 0000000000000000 RSI: 00007ffd0643c820 RDI: 0000000000000005 [ 843.348735][T24374] RBP: 00007ffd0643c780 R08: 0000000000000000 R09: 0000000000000000 [ 843.348736][T24374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c84 [ 843.348737][T24374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0643cef0 | [ 878.784350][ T12] softirqs last disabled at (88): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 878.784352][ T12] Preemption disabled at: | [ 878.784353][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 878.784363][ T12] Tainted: [W]=WARN [ 878.784364][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 878.784366][ T12] Workqueue: netns cleanup_net [ 878.784372][ T12] Call Trace: [ 878.784373][ T12] [ 878.784375][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 878.784380][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 878.784382][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 878.784385][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 878.784387][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 878.784390][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784393][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 878.784396][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 878.784399][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 878.784404][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 878.784406][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 878.784408][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 878.784410][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 878.784411][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 878.784414][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 878.784419][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 878.784420][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 878.784423][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 878.784424][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784425][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784427][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 878.784430][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 878.784432][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784433][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784434][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784435][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 878.784437][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 878.784439][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 878.784442][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 878.784444][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 878.784446][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 878.784448][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 878.784449][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784450][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 878.784452][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 878.784454][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 878.784455][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 878.784457][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 878.784459][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 878.784460][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 878.784462][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 878.784463][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 878.784466][ T12] ? kthread (kernel/kthread.c:436) [ 878.784468][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 878.784471][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 878.784474][ T12] _printk (kernel/printk/printk.c:2504) [ 878.784477][ T12] ? snapshot_read.cold (user.c:?) [ 878.784479][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 878.784482][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 878.784484][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 878.784487][ T12] ? netdev_notice (net/core/dev.c:13194) [ 878.784489][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784490][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 878.784492][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 878.784495][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 878.784496][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 878.784497][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 878.784500][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 878.784502][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 878.784506][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 878.784508][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 878.784511][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 878.784513][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 878.784515][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 878.784518][ T12] cleanup_net (net/core/net_namespace.c:706) [ 878.784520][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 878.784521][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 878.784524][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 878.784526][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.784527][ T12] process_one_work (kernel/workqueue.c:3387) [ 878.784530][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 878.784533][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 878.784535][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 878.784538][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 878.784540][ T12] kthread (kernel/kthread.c:436) [ 878.784541][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 878.784543][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 878.784545][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 878.784547][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 878.784549][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 878.784551][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record addrconf_verify_rtnl:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print