====================================== | [ 9.111688][ T205] softirqs last disabled at (20470): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.111690][ T205] Preemption disabled at: | [ 9.111691][ T205] 0x0 | [ 9.111701][ T205] Tainted: [W]=WARN [ 9.111702][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.111703][ T205] Call Trace: [ 9.111705][ T205] [ 9.111706][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.111712][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.111717][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.111721][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.111726][ T205] __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)) [ 9.111727][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.111734][ T205] ? 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) [ 9.111737][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.111740][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.111743][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.111744][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.111747][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.111759][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.111767][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.111769][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.111771][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.111775][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.111779][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.111781][ T205] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.111784][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.111786][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.111790][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.111794][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.111796][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.111801][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.111803][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.111805][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.111807][ T205] ? 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) [ 9.111810][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.111812][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.111815][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.111818][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.111820][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.111824][ T205] _printk (kernel/printk/printk.c:2504) [ 9.111828][ T205] ? snapshot_read.cold (user.c:?) [ 9.111830][ T205] ? 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) [ 9.111833][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.111837][ T205] ? 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) [ 9.111839][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.111843][ T205] ? exit_notify (kernel/exit.c:780) [ 9.111844][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.111847][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.111850][ T205] do_group_exit (kernel/exit.c:1151) [ 9.111853][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.111855][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.111857][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.111861][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.111864][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.111866][ T205] RIP: 0033:0x7f99e51271b8 [ 9.111868][ T205] Code: Unable to access opcode bytes at 0x7f99e512718e. Code starting with the faulting instruction =========================================== [ 9.111869][ T205] RSP: 002b:00007ffeeb071458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.111871][ T205] RAX: ffffffffffffffda RBX: 00007f99e5257f88 RCX: 00007f99e51271b8 [ 9.111873][ T205] RDX: 00007f99e4e71fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.111874][ T205] RBP: 00007ffeeb0714b0 R08: 0000000000000000 R09: 0000000000000050 [ 9.111874][ T205] R10: 00007ffeeb071270 R11: 0000000000000246 R12: 0000000000000001 [ 9.111875][ T205] R13: 0000000000000000 R14: 00007f99e5256680 R15: 00007f99e5257fa0 | [ 10.199754][ T262] softirqs last disabled at (21658): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.199762][ T262] Preemption disabled at: | [ 10.199762][ T262] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.199771][ T262] Tainted: [W]=WARN [ 10.199772][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.199773][ T262] Call Trace: [ 10.199775][ T262] [ 10.199776][ T262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.199782][ T262] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.199784][ T262] __might_resched.cold (kernel/sched/core.c:9234) [ 10.199788][ T262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.199793][ T262] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.199797][ T262] __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)) [ 10.199799][ T262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.199805][ T262] ? 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) [ 10.199808][ T262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.199812][ T262] put_chars (drivers/char/virtio_console.c:1176) [ 10.199814][ T262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.199815][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.199819][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.199824][ T262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.199831][ T262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.199833][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.199835][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.199839][ T262] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.199843][ T262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.199845][ T262] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.199848][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.199850][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.199854][ T262] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.199858][ T262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.199860][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.199865][ T262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.199867][ T262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.199869][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.199871][ T262] ? 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) [ 10.199874][ T262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.199876][ T262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.199879][ T262] vprintk_emit (kernel/printk/printk.c:2479) [ 10.199882][ T262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.199883][ T262] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.199885][ T262] ? __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) [ 10.199888][ T262] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.199891][ T262] _printk (kernel/printk/printk.c:2504) [ 10.199895][ T262] ? snapshot_read.cold (user.c:?) [ 10.199898][ T262] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 10.199902][ T262] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.199906][ T262] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.199910][ T262] br_init_port (net/bridge/br_stp_if.c:39) [ 10.199913][ T262] new_nbp (net/bridge/br_if.c:449) [ 10.199916][ T262] br_add_if (net/bridge/br_if.c:592) [ 10.199918][ T262] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.199920][ T262] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.199926][ T262] do_set_master (net/core/rtnetlink.c:3071) [ 10.199929][ T262] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.199933][ T262] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.199936][ T262] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.199937][ T262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.199940][ T262] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.199943][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.199945][ T262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.199947][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.199949][ T262] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.199952][ T262] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.199953][ T262] ? kasan_save_track (mm/kasan/common.c:78) [ 10.199954][ T262] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.199956][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.199958][ T262] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.199961][ T262] ? ___sys_sendmsg (net/socket.c:2758) [ 10.199965][ T262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.199967][ T262] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.199969][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.199971][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.199973][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.199974][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.199975][ T262] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.199977][ T262] ? __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) [ 10.199978][ T262] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.199981][ T262] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.199984][ T262] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.199985][ T262] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.199990][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.199992][ T262] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.199997][ T262] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.200002][ T262] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.200004][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.200008][ T262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.200010][ T262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.200012][ T262] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.200014][ T262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.200017][ T262] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.200019][ T262] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.200022][ T262] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.200024][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.200028][ T262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.200030][ T262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.200033][ T262] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.200036][ T262] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.200039][ T262] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.200045][ T262] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.200047][ T262] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.200051][ T262] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.200055][ T262] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.200058][ T262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.200062][ T262] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.200066][ T262] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.200069][ T262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.200071][ T262] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.200076][ T262] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.200079][ T262] ____sys_sendmsg (net/socket.c:2713) [ 10.200081][ T262] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.200083][ T262] ? sock_write_iter (net/socket.c:1269) [ 10.200084][ T262] ? move_addr_to_kernel (net/socket.c:258) [ 10.200092][ T262] ___sys_sendmsg (net/socket.c:2767) [ 10.200094][ T262] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.200110][ T262] __sys_sendmsg (net/socket.c:2799) [ 10.200112][ T262] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.200120][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.200123][ T262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.200126][ T262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.200129][ T262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.200131][ T262] RIP: 0033:0x7f8fdb37c54e [ 10.200135][ T262] 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 [ 10.200137][ T262] RSP: 002b:00007ffcfc2ccb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.200140][ T262] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8fdb37c54e [ 10.200141][ T262] RDX: 0000000000000000 RSI: 00007ffcfc2ccc10 RDI: 0000000000000005 [ 10.200142][ T262] RBP: 00007ffcfc2ccb70 R08: 0000000000000000 R09: 0000000000000000 [ 10.200143][ T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ca5 [ 10.200143][ T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfc2cd2e0 | [ 16.113382][ T292] softirqs last disabled at (18151): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.113385][ T292] Preemption disabled at: | [ 16.113385][ T292] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.113393][ T292] Tainted: [W]=WARN [ 16.113394][ T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.113396][ T292] Call Trace: [ 16.113397][ T292] [ 16.113398][ T292] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.113404][ T292] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.113406][ T292] __might_resched.cold (kernel/sched/core.c:9234) [ 16.113410][ T292] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.113414][ T292] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.113418][ T292] __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)) [ 16.113420][ T292] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.113427][ T292] ? 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) [ 16.113429][ T292] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.113433][ T292] put_chars (drivers/char/virtio_console.c:1176) [ 16.113435][ T292] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.113437][ T292] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.113440][ T292] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.113443][ T292] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.113447][ T292] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.113451][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.113453][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.113458][ T292] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.113459][ T292] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.113462][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.113464][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.113468][ T292] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.113472][ T292] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.113474][ T292] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.113477][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.113479][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.113482][ T292] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.113486][ T292] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.113488][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.113493][ T292] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.113496][ T292] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.113498][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.113499][ T292] ? 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) [ 16.113503][ T292] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.113505][ T292] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.113507][ T292] vprintk_emit (kernel/printk/printk.c:2479) [ 16.113510][ T292] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.113515][ T292] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.113518][ T292] _printk (kernel/printk/printk.c:2504) [ 16.113521][ T292] ? snapshot_read.cold (user.c:?) [ 16.113527][ T292] ? 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) [ 16.113530][ T292] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.113533][ T292] do_one_initcall (init/main.c:1357) [ 16.113535][ T292] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.113540][ T292] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.113542][ T292] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.113547][ T292] do_init_module (kernel/module/main.c:3117) [ 16.113550][ T292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.113554][ T292] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.113557][ T292] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.113560][ T292] load_module (kernel/module/main.c:3593) [ 16.113565][ T292] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 16.113570][ T292] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.113573][ T292] ? __ia32_sys_fsconfig (??:?) [ 16.113577][ T292] ? backing_file_read_iter (fs/backing-file.c:211) [ 16.113580][ T292] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.113584][ T292] init_module_from_file (kernel/module/main.c:3790) [ 16.113586][ T292] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.113593][ T292] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.113597][ T292] ? 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) [ 16.113600][ T292] idempotent_init_module (kernel/module/main.c:3802) [ 16.113602][ T292] ? init_module_from_file (kernel/module/main.c:3791) [ 16.113608][ T292] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.113610][ T292] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 16.113615][ T292] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.113617][ T292] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.113620][ T292] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.113623][ T292] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.113626][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.113628][ T292] RIP: 0033:0x7f1d6439437d [ 16.113631][ T292] 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 [ 16.113633][ T292] RSP: 002b:00007ffdcb4ba068 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.113635][ T292] RAX: ffffffffffffffda RBX: 00005612d0f0c810 RCX: 00007f1d6439437d [ 16.113637][ T292] RDX: 0000000000000000 RSI: 000056129d0ceffd RDI: 0000000000000000 [ 16.113637][ T292] RBP: 00007ffdcb4ba100 R08: 0000000000000000 R09: 0000000000000000 [ 16.113638][ T292] R10: 0000000000000000 R11: 0000000000000246 R12: 000056129d0ceffd [ 16.113639][ T292] R13: 00005612d0f0c960 R14: 0000000000040000 R15: 0000000000000000 | [ 17.114730][ T36] softirqs last disabled at (67372): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 17.114732][ T36] Preemption disabled at: | [ 17.114733][ T36] 0x0 | [ 17.114743][ T36] Tainted: [W]=WARN [ 17.114744][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.114746][ T36] Workqueue: events_unbound linkwatch_event [ 17.114749][ T36] Call Trace: [ 17.114751][ T36] [ 17.114752][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.114759][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 17.114763][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.114768][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.114772][ T36] __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)) [ 17.114774][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.114786][ T36] ? 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) [ 17.114788][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.114792][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 17.114795][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.114797][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.114801][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.114804][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.114808][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.114812][ T36] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.114814][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.114815][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.114820][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.114821][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.114826][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.114830][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.114834][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.114836][ T36] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.114839][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.114841][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.114845][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.114850][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.114852][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.114857][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.114860][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.114862][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.114863][ T36] ? 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) [ 17.114867][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.114869][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.114872][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 17.114875][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.114876][ T36] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 17.114878][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.114880][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.114884][ T36] _printk (kernel/printk/printk.c:2504) [ 17.114888][ T36] ? snapshot_read.cold (user.c:?) [ 17.114893][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.114897][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.114901][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 17.114904][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 17.114906][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 17.114909][ T36] br_device_event (net/bridge/br.c:101) [ 17.114912][ T36] ? fib6_ifdown (net/ipv6/route.c:4976) [ 17.114914][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.114920][ T36] notifier_call_chain (kernel/notifier.c:85) [ 17.114926][ T36] netif_state_change (net/core/dev.c:1625) [ 17.114931][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.114937][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 17.114940][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 17.114945][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.114949][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.114954][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 17.114956][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 17.114960][ T36] process_one_work (kernel/workqueue.c:3387) [ 17.114966][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.114969][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.114977][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.114984][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.114987][ T36] kthread (kernel/kthread.c:436) [ 17.114989][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.114992][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.114995][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.114999][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.115003][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.115006][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.115009][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.118911][ T38] softirqs last disabled at (96862): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.118913][ T38] Preemption disabled at: | [ 18.118914][ T38] 0x0 | [ 18.118924][ T38] Tainted: [W]=WARN [ 18.118925][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.118927][ T38] Workqueue: events_unbound linkwatch_event [ 18.118930][ T38] Call Trace: [ 18.118932][ T38] [ 18.118933][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.118940][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 18.118944][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.118949][ T38] ? kmem_cache_alloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5010) [ 18.118953][ T38] kmem_cache_alloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5010 (discriminator 2)) [ 18.118954][ T38] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.118957][ T38] ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1)) [ 18.118963][ T38] __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1)) [ 18.118964][ T38] ? kasan_quarantine_reduce (./include/linux/srcu.h:498 mm/kasan/quarantine.c:287) [ 18.118967][ T38] __create_object (mm/kmemleak.c:801) [ 18.118971][ T38] __kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5413 mm/slub.c:5439) [ 18.118972][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.118979][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.118983][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 18.118985][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.118988][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.118991][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.118994][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.118998][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.119002][ T38] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.119004][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.119005][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.119010][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.119012][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.119016][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.119020][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.119024][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.119026][ T38] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 18.119029][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.119031][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.119035][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.119039][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.119041][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.119047][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.119050][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.119051][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.119053][ T38] ? 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) [ 18.119057][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.119059][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.119061][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 18.119064][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.119066][ T38] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 18.119068][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.119070][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.119074][ T38] _printk (kernel/printk/printk.c:2504) [ 18.119077][ T38] ? snapshot_read.cold (user.c:?) [ 18.119082][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.119086][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.119090][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 18.119092][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.119094][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.119097][ T38] br_device_event (net/bridge/br.c:101) [ 18.119100][ T38] ? fib6_ifdown (net/ipv6/route.c:4976) [ 18.119102][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.119108][ T38] notifier_call_chain (kernel/notifier.c:85) [ 18.119114][ T38] netif_state_change (net/core/dev.c:1625) [ 18.119119][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.119124][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.119126][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.119129][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.119131][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.119136][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.119138][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.119141][ T38] process_one_work (kernel/workqueue.c:3387) [ 18.119148][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.119151][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.119159][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.119166][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.119168][ T38] kthread (kernel/kthread.c:436) [ 18.119170][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.119174][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.119177][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.119181][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.119184][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.119188][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.119190][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.945290][ T58] softirqs last disabled at (58032): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.945292][ T58] Preemption disabled at: | [ 19.945293][ T58] 0x0 | [ 19.945303][ T58] Tainted: [W]=WARN [ 19.945304][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.945305][ T58] Workqueue: events_unbound linkwatch_event [ 19.945309][ T58] Call Trace: [ 19.945310][ T58] [ 19.945312][ T58] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.945318][ T58] __might_resched.cold (kernel/sched/core.c:9234) [ 19.945323][ T58] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.945327][ T58] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.945331][ T58] __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)) [ 19.945333][ T58] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.945340][ T58] ? 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) [ 19.945343][ T58] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.945346][ T58] put_chars (drivers/char/virtio_console.c:1176) [ 19.945349][ T58] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.945352][ T58] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.945355][ T58] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.945360][ T58] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.945364][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.945366][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.945370][ T58] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.945374][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.945376][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.945381][ T58] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.945385][ T58] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.945386][ T58] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 19.945390][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.945391][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.945396][ T58] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.945400][ T58] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.945402][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.945407][ T58] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.945410][ T58] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.945412][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.945414][ T58] ? 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) [ 19.945418][ T58] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.945419][ T58] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.945422][ T58] vprintk_emit (kernel/printk/printk.c:2479) [ 19.945425][ T58] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.945427][ T58] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.945429][ T58] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.945432][ T58] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.945435][ T58] _printk (kernel/printk/printk.c:2504) [ 19.945439][ T58] ? snapshot_read.cold (user.c:?) [ 19.945442][ T58] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 19.945448][ T58] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.945453][ T58] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 19.945456][ T58] br_port_carrier_check (net/bridge/br_if.c:95) [ 19.945460][ T58] br_device_event (net/bridge/br.c:101) [ 19.945463][ T58] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.945469][ T58] notifier_call_chain (kernel/notifier.c:85) [ 19.945475][ T58] netif_state_change (net/core/dev.c:1625) [ 19.945479][ T58] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 19.945483][ T58] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.945487][ T58] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 19.945489][ T58] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 19.945491][ T58] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.945494][ T58] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.945497][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.945501][ T58] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.945503][ T58] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.945507][ T58] process_one_work (kernel/workqueue.c:3387) [ 19.945513][ T58] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.945516][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.945524][ T58] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.945531][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.945533][ T58] kthread (kernel/kthread.c:436) [ 19.945536][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.945539][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.945542][ T58] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.945546][ T58] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.945550][ T58] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.945553][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.945556][ T58] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.582417][ T493] softirqs last disabled at (22358): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 21.582420][ T493] Preemption disabled at: | [ 21.582421][ T493] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.582429][ T493] Tainted: [W]=WARN [ 21.582430][ T493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.582431][ T493] Call Trace: [ 21.582433][ T493] [ 21.582434][ T493] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.582440][ T493] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.582442][ T493] __might_resched.cold (kernel/sched/core.c:9234) [ 21.582447][ T493] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.582451][ T493] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.582455][ T493] __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)) [ 21.582457][ T493] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.582463][ T493] ? 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) [ 21.582466][ T493] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.582470][ T493] put_chars (drivers/char/virtio_console.c:1176) [ 21.582472][ T493] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.582479][ T493] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.582486][ T493] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.582489][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.582493][ T493] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.582497][ T493] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.582499][ T493] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 21.582502][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.582505][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.582509][ T493] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.582513][ T493] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.582515][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.582520][ T493] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.582523][ T493] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.582525][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.582526][ T493] ? 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) [ 21.582530][ T493] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.582532][ T493] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.582534][ T493] vprintk_emit (kernel/printk/printk.c:2479) [ 21.582538][ T493] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.582540][ T493] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 21.582545][ T493] _printk (kernel/printk/printk.c:2504) [ 21.582549][ T493] ? snapshot_read.cold (user.c:?) [ 21.582550][ T493] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.582553][ T493] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.582555][ T493] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.582558][ T493] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.582561][ T493] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.582564][ T493] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.582566][ T493] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.582569][ T493] ? netdev_notice (net/core/dev.c:13194) [ 21.582572][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.582575][ T493] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.582577][ T493] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.582581][ T493] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.582583][ T493] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 21.582585][ T493] ? register_netdev (net/core/dev.c:11618) [ 21.582586][ T493] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 21.582591][ T493] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 21.582594][ T493] ? __kernel_text_address (kernel/extable.c:79) [ 21.582596][ T493] ? write_profile (profile.c:?) [ 21.582600][ T493] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.582606][ T493] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.582609][ T493] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.582611][ T493] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.582612][ T493] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 21.582614][ T493] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 21.582617][ T493] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.582619][ T493] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.582621][ T493] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.582623][ T493] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.582625][ T493] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.582626][ T493] ? kasan_save_track (mm/kasan/common.c:78) [ 21.582627][ T493] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.582630][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.582632][ T493] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 21.582635][ T493] ? ___sys_sendmsg (net/socket.c:2758) [ 21.582638][ T493] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.582640][ T493] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.582643][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.582645][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.582646][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.582647][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.582649][ T493] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.582651][ T493] ? __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) [ 21.582652][ T493] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.582654][ T493] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.582657][ T493] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.582658][ T493] ? nla_get_range_signed (lib/nlattr.c:270) [ 21.582663][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.582666][ T493] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.582671][ T493] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.582676][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.582678][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.582682][ T493] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.582684][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.582686][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.582687][ T493] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.582691][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.582693][ T493] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.582696][ T493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.582698][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.582702][ T493] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.582704][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.582707][ T493] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.582710][ T493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.582713][ T493] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.582719][ T493] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 21.582721][ T493] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 21.582726][ T493] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.582730][ T493] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.582732][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.582736][ T493] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.582740][ T493] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.582745][ T493] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.582748][ T493] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.582754][ T493] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.582757][ T493] ____sys_sendmsg (net/socket.c:2713) [ 21.582759][ T493] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.582762][ T493] ? sock_write_iter (net/socket.c:1269) [ 21.582763][ T493] ? move_addr_to_kernel (net/socket.c:258) [ 21.582770][ T493] ___sys_sendmsg (net/socket.c:2767) [ 21.582773][ T493] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.582788][ T493] __sys_sendmsg (net/socket.c:2799) [ 21.582791][ T493] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.582802][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.582805][ T493] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.582808][ T493] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.582811][ T493] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.582813][ T493] RIP: 0033:0x7f401214b54e [ 21.582817][ T493] 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 [ 21.582819][ T493] RSP: 002b:00007ffd3c049d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.582821][ T493] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f401214b54e [ 21.582823][ T493] RDX: 0000000000000000 RSI: 00007ffd3c049dd0 RDI: 0000000000000005 [ 21.582824][ T493] RBP: 00007ffd3c049d30 R08: 0000000000000000 R09: 0000000000000000 [ 21.582825][ T493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cb0 [ 21.582825][ T493] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3c04a490 | [ 28.566917][ T39] softirqs last disabled at (120570): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 28.566920][ T39] Preemption disabled at: | [ 28.566920][ T39] 0x0 | [ 28.566931][ T39] Tainted: [W]=WARN [ 28.566932][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.566933][ T39] Workqueue: events_unbound linkwatch_event [ 28.566936][ T39] Call Trace: [ 28.566938][ T39] [ 28.566940][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.566946][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 28.566951][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.566955][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.566959][ T39] __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)) [ 28.566961][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.566968][ T39] ? 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) [ 28.566971][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.566975][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 28.566977][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.566980][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.566983][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.566988][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.566992][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.566994][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.566999][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.567002][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.567004][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.567009][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.567013][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.567014][ T39] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 28.567018][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.567019][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.567024][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.567030][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.567033][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.567041][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.567044][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.567046][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.567047][ T39] ? 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) [ 28.567051][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.567053][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.567056][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 28.567059][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.567060][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.567063][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.567065][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.567069][ T39] _printk (kernel/printk/printk.c:2504) [ 28.567072][ T39] ? snapshot_read.cold (user.c:?) [ 28.567075][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 28.567082][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.567086][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 28.567090][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 28.567094][ T39] br_device_event (net/bridge/br.c:101) [ 28.567097][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 28.567103][ T39] notifier_call_chain (kernel/notifier.c:85) [ 28.567109][ T39] netif_state_change (net/core/dev.c:1625) [ 28.567113][ T39] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 28.567120][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.567124][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 28.567128][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 28.567132][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 28.567135][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.567138][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.567143][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 28.567145][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 28.567148][ T39] process_one_work (kernel/workqueue.c:3387) [ 28.567155][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.567158][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.567166][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.567173][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.567175][ T39] kthread (kernel/kthread.c:436) [ 28.567177][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.567181][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.567184][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.567188][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.567191][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.567195][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.567198][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.849297][ T38] softirqs last disabled at (140636): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 29.849300][ T38] Preemption disabled at: | [ 29.849301][ T38] 0x0 | [ 29.849311][ T38] Tainted: [W]=WARN [ 29.849312][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.849313][ T38] Workqueue: events_unbound linkwatch_event [ 29.849316][ T38] Call Trace: [ 29.849318][ T38] [ 29.849320][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.849326][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 29.849330][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.849334][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.849339][ T38] __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)) [ 29.849341][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.849347][ T38] ? 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) [ 29.849350][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.849354][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 29.849356][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.849360][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.849363][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.849367][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.849371][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.849373][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.849377][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.849381][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.849383][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.849388][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.849392][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.849394][ T38] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.849397][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.849399][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.849403][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.849407][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.849409][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.849414][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.849417][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.849419][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.849421][ T38] ? 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) [ 29.849424][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.849426][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.849429][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 29.849432][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.849434][ T38] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.849436][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.849438][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.849442][ T38] _printk (kernel/printk/printk.c:2504) [ 29.849445][ T38] ? snapshot_read.cold (user.c:?) [ 29.849448][ T38] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 29.849455][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.849459][ T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 29.849462][ T38] br_port_carrier_check (net/bridge/br_if.c:95) [ 29.849466][ T38] br_device_event (net/bridge/br.c:101) [ 29.849470][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.849475][ T38] notifier_call_chain (kernel/notifier.c:85) [ 29.849481][ T38] netif_state_change (net/core/dev.c:1625) [ 29.849485][ T38] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 29.849490][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.849497][ T38] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 29.849499][ T38] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 29.849501][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.849504][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.849507][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.849512][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.849514][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.849517][ T38] process_one_work (kernel/workqueue.c:3387) [ 29.849524][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.849527][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.849535][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.849542][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.849544][ T38] kthread (kernel/kthread.c:436) [ 29.849546][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.849550][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.849553][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.849557][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.849561][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.849564][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.849567][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.147401][ T39] softirqs last disabled at (159434): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 32.147403][ T39] Preemption disabled at: | [ 32.147404][ T39] 0x0 | [ 32.147413][ T39] Tainted: [W]=WARN [ 32.147414][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.147416][ T39] Workqueue: events_unbound linkwatch_event [ 32.147419][ T39] Call Trace: [ 32.147421][ T39] [ 32.147422][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.147429][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 32.147433][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.147437][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.147442][ T39] __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)) [ 32.147444][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.147451][ T39] ? 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) [ 32.147453][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.147457][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 32.147460][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.147463][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.147466][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.147471][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.147475][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.147477][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.147481][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.147485][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.147487][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.147491][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.147495][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.147497][ T39] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 32.147500][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.147502][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.147506][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.147511][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.147513][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.147518][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.147521][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.147523][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.147525][ T39] ? 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) [ 32.147529][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.147530][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.147533][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 32.147536][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.147537][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.147540][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.147542][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.147546][ T39] _printk (kernel/printk/printk.c:2504) [ 32.147549][ T39] ? snapshot_read.cold (user.c:?) [ 32.147552][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 32.147559][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.147563][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.147566][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 32.147570][ T39] br_device_event (net/bridge/br.c:101) [ 32.147574][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.147580][ T39] notifier_call_chain (kernel/notifier.c:85) [ 32.147586][ T39] netif_state_change (net/core/dev.c:1625) [ 32.147589][ T39] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 32.147593][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.147597][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 32.147599][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 32.147601][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 32.147604][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.147607][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.147611][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 32.147613][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 32.147617][ T39] process_one_work (kernel/workqueue.c:3387) [ 32.147624][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.147627][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.147635][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.147642][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.147644][ T39] kthread (kernel/kthread.c:436) [ 32.147646][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.147649][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.147652][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.147656][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.147660][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.147663][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.147666][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.079279][ T778] softirqs last disabled at (20934): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 34.079282][ T778] Preemption disabled at: | [ 34.079283][ T778] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.079290][ T778] Tainted: [W]=WARN [ 34.079291][ T778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.079293][ T778] Call Trace: [ 34.079294][ T778] [ 34.079296][ T778] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.079301][ T778] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.079303][ T778] __might_resched.cold (kernel/sched/core.c:9234) [ 34.079307][ T778] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.079311][ T778] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.079316][ T778] __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)) [ 34.079318][ T778] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.079324][ T778] ? 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) [ 34.079327][ T778] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.079330][ T778] put_chars (drivers/char/virtio_console.c:1176) [ 34.079333][ T778] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.079339][ T778] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.079346][ T778] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.079349][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.079353][ T778] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.079357][ T778] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.079359][ T778] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 34.079362][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.079365][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.079369][ T778] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.079373][ T778] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.079374][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.079380][ T778] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.079382][ T778] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.079384][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.079386][ T778] ? 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) [ 34.079389][ T778] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.079391][ T778] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.079394][ T778] vprintk_emit (kernel/printk/printk.c:2479) [ 34.079397][ T778] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.079399][ T778] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 34.079404][ T778] _printk (kernel/printk/printk.c:2504) [ 34.079408][ T778] ? snapshot_read.cold (user.c:?) [ 34.079409][ T778] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.079412][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.079415][ T778] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.079417][ T778] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.079420][ T778] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.079423][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.079425][ T778] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.079428][ T778] ? netdev_notice (net/core/dev.c:13194) [ 34.079431][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.079434][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.079436][ T778] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.079440][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.079442][ T778] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 34.079444][ T778] ? register_netdev (net/core/dev.c:11618) [ 34.079445][ T778] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 34.079450][ T778] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 34.079453][ T778] ? __kernel_text_address (kernel/extable.c:79) [ 34.079455][ T778] ? write_profile (profile.c:?) [ 34.079459][ T778] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 34.079464][ T778] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.079468][ T778] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 34.079470][ T778] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 34.079471][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 34.079473][ T778] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 34.079476][ T778] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.079478][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.079480][ T778] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.079482][ T778] ? kasan_save_stack (mm/kasan/common.c:58) [ 34.079484][ T778] ? kasan_save_stack (mm/kasan/common.c:57) [ 34.079485][ T778] ? kasan_save_track (mm/kasan/common.c:78) [ 34.079486][ T778] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 34.079489][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.079490][ T778] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 34.079493][ T778] ? ___sys_sendmsg (net/socket.c:2758) [ 34.079497][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.079499][ T778] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.079501][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.079503][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.079505][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.079506][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.079507][ T778] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 34.079509][ T778] ? __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) [ 34.079510][ T778] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.079512][ T778] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.079516][ T778] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 34.079517][ T778] ? nla_get_range_signed (lib/nlattr.c:270) [ 34.079521][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.079523][ T778] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 34.079528][ T778] rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.079533][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.079535][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.079540][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.079541][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.079543][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.079545][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.079549][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.079551][ T778] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.079554][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.079555][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.079560][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.079561][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.079565][ T778] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.079568][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.079571][ T778] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.079577][ T778] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 34.079579][ T778] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 34.079583][ T778] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.079587][ T778] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.079589][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.079593][ T778] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.079597][ T778] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.079601][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.079603][ T778] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 34.079608][ T778] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 34.079610][ T778] ____sys_sendmsg (net/socket.c:2713) [ 34.079613][ T778] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.079615][ T778] ? sock_write_iter (net/socket.c:1269) [ 34.079616][ T778] ? move_addr_to_kernel (net/socket.c:258) [ 34.079623][ T778] ___sys_sendmsg (net/socket.c:2767) [ 34.079626][ T778] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.079641][ T778] __sys_sendmsg (net/socket.c:2799) [ 34.079644][ T778] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.079650][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.079653][ T778] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.079656][ T778] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.079659][ T778] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.079661][ T778] RIP: 0033:0x7f971f21c54e [ 34.079664][ T778] 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 [ 34.079666][ T778] RSP: 002b:00007ffd08dd53c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.079669][ T778] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f971f21c54e [ 34.079670][ T778] RDX: 0000000000000000 RSI: 00007ffd08dd5470 RDI: 0000000000000005 [ 34.079671][ T778] RBP: 00007ffd08dd53d0 R08: 0000000000000000 R09: 0000000000000000 [ 34.079672][ T778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cbd [ 34.079673][ T778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd08dd5b30 | [ 40.755297][ T58] softirqs last disabled at (118932): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 40.755300][ T58] Preemption disabled at: | [ 40.755300][ T58] 0x0 | [ 40.755310][ T58] Tainted: [W]=WARN [ 40.755311][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.755312][ T58] Workqueue: events_unbound linkwatch_event [ 40.755316][ T58] Call Trace: [ 40.755317][ T58] [ 40.755319][ T58] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.755325][ T58] __might_resched.cold (kernel/sched/core.c:9234) [ 40.755330][ T58] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.755334][ T58] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.755339][ T58] __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)) [ 40.755341][ T58] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.755347][ T58] ? 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) [ 40.755350][ T58] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.755354][ T58] put_chars (drivers/char/virtio_console.c:1176) [ 40.755357][ T58] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.755360][ T58] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.755363][ T58] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.755368][ T58] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.755372][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.755374][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.755379][ T58] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.755383][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.755385][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.755389][ T58] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.755393][ T58] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.755395][ T58] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 40.755398][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.755400][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.755404][ T58] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.755409][ T58] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.755410][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.755416][ T58] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.755419][ T58] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.755421][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.755422][ T58] ? 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) [ 40.755426][ T58] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.755428][ T58] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.755431][ T58] vprintk_emit (kernel/printk/printk.c:2479) [ 40.755434][ T58] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.755435][ T58] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.755438][ T58] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.755440][ T58] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.755444][ T58] _printk (kernel/printk/printk.c:2504) [ 40.755447][ T58] ? snapshot_read.cold (user.c:?) [ 40.755450][ T58] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 40.755457][ T58] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 40.755462][ T58] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 40.755465][ T58] br_port_carrier_check (net/bridge/br_if.c:95) [ 40.755469][ T58] br_device_event (net/bridge/br.c:101) [ 40.755473][ T58] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.755479][ T58] notifier_call_chain (kernel/notifier.c:85) [ 40.755485][ T58] netif_state_change (net/core/dev.c:1625) [ 40.755488][ T58] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 40.755492][ T58] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.755496][ T58] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 40.755498][ T58] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 40.755500][ T58] __linkwatch_run_queue (net/core/link_watch.c:240) [ 40.755503][ T58] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.755506][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.755511][ T58] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 40.755513][ T58] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 40.755516][ T58] process_one_work (kernel/workqueue.c:3387) [ 40.755523][ T58] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.755526][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.755534][ T58] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.755542][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.755544][ T58] kthread (kernel/kthread.c:436) [ 40.755546][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.755550][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.755553][ T58] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.755557][ T58] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.755560][ T58] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.755564][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.755567][ T58] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.143200][ T69] softirqs last disabled at (238337): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 44.143202][ T69] Preemption disabled at: | [ 44.143203][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.143211][ T69] Tainted: [W]=WARN [ 44.143212][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.143213][ T69] Workqueue: netns cleanup_net [ 44.143217][ T69] Call Trace: [ 44.143218][ T69] [ 44.143220][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.143226][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.143228][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 44.143232][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.143236][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.143241][ T69] __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)) [ 44.143243][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.143249][ T69] ? 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) [ 44.143252][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.143256][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 44.143258][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.143259][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.143263][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.143266][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.143271][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.143274][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.143280][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.143283][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.143288][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.143292][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.143294][ T69] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 44.143297][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.143298][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.143303][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.143307][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.143308][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.143314][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.143317][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.143318][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.143320][ T69] ? 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) [ 44.143324][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.143326][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.143328][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 44.143332][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.143333][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 44.143335][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.143336][ T69] ? kthread (kernel/kthread.c:436) [ 44.143339][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 44.143342][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 44.143346][ T69] _printk (kernel/printk/printk.c:2504) [ 44.143350][ T69] ? snapshot_read.cold (user.c:?) [ 44.143354][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.143358][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.143362][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.143365][ T69] ? netdev_notice (net/core/dev.c:13194) [ 44.143367][ T69] ? kernfs_remove_by_name_ns (fs/kernfs/dir.c:1802) [ 44.143372][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.143373][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 44.143376][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 44.143378][ T69] ? 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) [ 44.143380][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 44.143384][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 44.143388][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 44.143395][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 44.143398][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 44.143402][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 44.143405][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.143409][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 44.143410][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.143413][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 44.143419][ T69] cleanup_net (net/core/net_namespace.c:706) [ 44.143422][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 44.143425][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.143427][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.143431][ T69] process_one_work (kernel/workqueue.c:3387) [ 44.143437][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.143440][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.143448][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.143452][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.143454][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.143456][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.143459][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.143461][ T69] kthread (kernel/kthread.c:436) [ 44.143463][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.143467][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.143469][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.143472][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.143475][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.143479][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.143482][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.288751][ T1033] softirqs last disabled at (26806): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 45.288753][ T1033] Preemption disabled at: | [ 45.288754][ T1033] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.288762][ T1033] Tainted: [W]=WARN [ 45.288763][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.288764][ T1033] Call Trace: [ 45.288766][ T1033] [ 45.288767][ T1033] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.288773][ T1033] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.288775][ T1033] __might_resched.cold (kernel/sched/core.c:9234) [ 45.288779][ T1033] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.288784][ T1033] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.288788][ T1033] __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)) [ 45.288790][ T1033] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.288796][ T1033] ? 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) [ 45.288799][ T1033] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.288803][ T1033] put_chars (drivers/char/virtio_console.c:1176) [ 45.288805][ T1033] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.288811][ T1033] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.288819][ T1033] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.288822][ T1033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.288827][ T1033] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.288831][ T1033] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.288832][ T1033] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 45.288836][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.288838][ T1033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.288842][ T1033] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.288846][ T1033] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.288848][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.288853][ T1033] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.288856][ T1033] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.288858][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.288859][ T1033] ? 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) [ 45.288863][ T1033] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.288865][ T1033] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.288868][ T1033] vprintk_emit (kernel/printk/printk.c:2479) [ 45.288871][ T1033] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.288873][ T1033] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 45.288878][ T1033] _printk (kernel/printk/printk.c:2504) [ 45.288887][ T1033] ? snapshot_read.cold (user.c:?) [ 45.288888][ T1033] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.288891][ T1033] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.288894][ T1033] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.288896][ T1033] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.288899][ T1033] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.288902][ T1033] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.288904][ T1033] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.288907][ T1033] ? netdev_notice (net/core/dev.c:13194) [ 45.288910][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.288913][ T1033] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.288915][ T1033] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 45.288919][ T1033] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.288921][ T1033] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 45.288923][ T1033] ? register_netdev (net/core/dev.c:11618) [ 45.288924][ T1033] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 45.288929][ T1033] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 45.288932][ T1033] ? __kernel_text_address (kernel/extable.c:79) [ 45.288934][ T1033] ? write_profile (profile.c:?) [ 45.288938][ T1033] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 45.288944][ T1033] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.288947][ T1033] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 45.288949][ T1033] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 45.288951][ T1033] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 45.288952][ T1033] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 45.288956][ T1033] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.288957][ T1033] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.288959][ T1033] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.288961][ T1033] ? kasan_save_stack (mm/kasan/common.c:58) [ 45.288963][ T1033] ? kasan_save_stack (mm/kasan/common.c:57) [ 45.288964][ T1033] ? kasan_save_track (mm/kasan/common.c:78) [ 45.288966][ T1033] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 45.288968][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.288970][ T1033] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 45.288973][ T1033] ? ___sys_sendmsg (net/socket.c:2758) [ 45.288977][ T1033] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.288979][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.288981][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.288983][ T1033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.288984][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.288985][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.288987][ T1033] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 45.288989][ T1033] ? __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) [ 45.288990][ T1033] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.288992][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.288995][ T1033] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 45.288997][ T1033] ? nla_get_range_signed (lib/nlattr.c:270) [ 45.289001][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.289003][ T1033] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 45.289008][ T1033] rtnl_newlink (net/core/rtnetlink.c:4215) [ 45.289014][ T1033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.289015][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.289020][ T1033] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.289022][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.289024][ T1033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.289025][ T1033] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.289029][ T1033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.289031][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.289034][ T1033] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.289035][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.289040][ T1033] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.289041][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.289045][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.289048][ T1033] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.289050][ T1033] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.289057][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 45.289059][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 45.289063][ T1033] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.289067][ T1033] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.289069][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.289073][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.289077][ T1033] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.289081][ T1033] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.289082][ T1033] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 45.289088][ T1033] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 45.289090][ T1033] ____sys_sendmsg (net/socket.c:2713) [ 45.289092][ T1033] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.289095][ T1033] ? sock_write_iter (net/socket.c:1269) [ 45.289096][ T1033] ? move_addr_to_kernel (net/socket.c:258) [ 45.289103][ T1033] ___sys_sendmsg (net/socket.c:2767) [ 45.289106][ T1033] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.289124][ T1033] __sys_sendmsg (net/socket.c:2799) [ 45.289126][ T1033] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.289132][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.289135][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.289138][ T1033] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.289141][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.289143][ T1033] RIP: 0033:0x7fb3f3f5054e [ 45.289147][ T1033] 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 [ 45.289149][ T1033] RSP: 002b:00007ffe57034150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.289151][ T1033] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb3f3f5054e [ 45.289153][ T1033] RDX: 0000000000000000 RSI: 00007ffe57034200 RDI: 0000000000000005 [ 45.289154][ T1033] RBP: 00007ffe57034160 R08: 0000000000000000 R09: 0000000000000000 [ 45.289155][ T1033] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cc8 [ 45.289155][ T1033] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe570348c0 | [ 51.844095][ T46] softirqs last disabled at (29280): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 51.844098][ T46] Preemption disabled at: | [ 51.844098][ T46] 0x0 | [ 51.844109][ T46] Tainted: [W]=WARN [ 51.844109][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.844111][ T46] Workqueue: events_unbound linkwatch_event [ 51.844114][ T46] Call Trace: [ 51.844117][ T46] [ 51.844119][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.844125][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 51.844130][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.844134][ T46] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.844139][ T46] __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)) [ 51.844141][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.844148][ T46] ? 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) [ 51.844150][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.844154][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 51.844156][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.844160][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.844163][ T46] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.844167][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.844171][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.844173][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.844178][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.844181][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.844183][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.844188][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.844192][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.844193][ T46] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 51.844197][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.844198][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.844202][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.844207][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.844208][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.844214][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.844217][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.844219][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.844220][ T46] ? 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) [ 51.844224][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.844226][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.844229][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 51.844232][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.844233][ T46] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.844236][ T46] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.844238][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.844241][ T46] _printk (kernel/printk/printk.c:2504) [ 51.844245][ T46] ? snapshot_read.cold (user.c:?) [ 51.844247][ T46] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 51.844254][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 51.844258][ T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 51.844261][ T46] br_port_carrier_check (net/bridge/br_if.c:95) [ 51.844267][ T46] br_device_event (net/bridge/br.c:101) [ 51.844273][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 51.844281][ T46] notifier_call_chain (kernel/notifier.c:85) [ 51.844287][ T46] netif_state_change (net/core/dev.c:1625) [ 51.844290][ T46] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 51.844294][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 51.844298][ T46] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 51.844300][ T46] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 51.844302][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 51.844305][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 51.844307][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.844312][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 51.844314][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 51.844318][ T46] process_one_work (kernel/workqueue.c:3387) [ 51.844324][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 51.844327][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.844335][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 51.844342][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 51.844344][ T46] kthread (kernel/kthread.c:436) [ 51.844346][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 51.844350][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.844353][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 51.844357][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 51.844360][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 51.844364][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.844367][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 52.873581][ T36] softirqs last disabled at (275792): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 52.873583][ T36] Preemption disabled at: | [ 52.873584][ T36] 0x0 | [ 52.873594][ T36] Tainted: [W]=WARN [ 52.873595][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.873596][ T36] Workqueue: events_unbound linkwatch_event [ 52.873599][ T36] Call Trace: [ 52.873601][ T36] [ 52.873603][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.873609][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 52.873613][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.873618][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.873622][ T36] __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)) [ 52.873624][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.873630][ T36] ? 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) [ 52.873634][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.873637][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 52.873640][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.873643][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.873646][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.873650][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.873655][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.873658][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.873663][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.873667][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.873669][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.873674][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.873678][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.873680][ T36] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 52.873683][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.873685][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.873689][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.873693][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.873695][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.873701][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.873703][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.873705][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.873707][ T36] ? 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) [ 52.873711][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.873713][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.873716][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 52.873719][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.873720][ T36] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.873723][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.873725][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.873728][ T36] _printk (kernel/printk/printk.c:2504) [ 52.873732][ T36] ? snapshot_read.cold (user.c:?) [ 52.873735][ T36] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 52.873741][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 52.873746][ T36] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 52.873749][ T36] br_port_carrier_check (net/bridge/br_if.c:95) [ 52.873753][ T36] br_device_event (net/bridge/br.c:101) [ 52.873757][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 52.873763][ T36] notifier_call_chain (kernel/notifier.c:85) [ 52.873768][ T36] netif_state_change (net/core/dev.c:1625) [ 52.873772][ T36] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 52.873776][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 52.873780][ T36] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 52.873782][ T36] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 52.873784][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 52.873787][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 52.873789][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.873794][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 52.873796][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 52.873800][ T36] process_one_work (kernel/workqueue.c:3387) [ 52.873806][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 52.873809][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.873817][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 52.873824][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 52.873826][ T36] kthread (kernel/kthread.c:436) [ 52.873829][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.873832][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 52.873835][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 52.873839][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 52.873842][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 52.873846][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 52.873849][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 59.075270][ T69] softirqs last disabled at (346049): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 59.075273][ T69] Preemption disabled at: | [ 59.075274][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 59.075282][ T69] Tainted: [W]=WARN [ 59.075283][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.075284][ T69] Workqueue: netns cleanup_net [ 59.075287][ T69] Call Trace: [ 59.075289][ T69] [ 59.075291][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 59.075296][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 59.075298][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 59.075303][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.075306][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 59.075311][ T69] __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)) [ 59.075313][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.075319][ T69] ? 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) [ 59.075322][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.075326][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 59.075328][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 59.075330][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 59.075333][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 59.075336][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 59.075341][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 59.075345][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 59.075350][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 59.075353][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.075357][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 59.075361][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 59.075363][ T69] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 59.075366][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.075368][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.075372][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 59.075376][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 59.075378][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 59.075384][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 59.075387][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 59.075388][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.075390][ T69] ? 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) [ 59.075394][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 59.075396][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 59.075398][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 59.075402][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 59.075403][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 59.075405][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 59.075406][ T69] ? kthread (kernel/kthread.c:436) [ 59.075408][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 59.075411][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 59.075416][ T69] _printk (kernel/printk/printk.c:2504) [ 59.075420][ T69] ? snapshot_read.cold (user.c:?) [ 59.075424][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 59.075428][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 59.075432][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 59.075435][ T69] ? netdev_notice (net/core/dev.c:13194) [ 59.075439][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.075441][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 59.075443][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 59.075445][ T69] ? 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) [ 59.075448][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 59.075452][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 59.075455][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 59.075462][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 59.075465][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 59.075469][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 59.075472][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 59.075476][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 59.075477][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 59.075481][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 59.075486][ T69] cleanup_net (net/core/net_namespace.c:706) [ 59.075489][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 59.075492][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.075494][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.075498][ T69] process_one_work (kernel/workqueue.c:3387) [ 59.075504][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 59.075507][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 59.075515][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 59.075519][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 59.075521][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 59.075524][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 59.075527][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 59.075529][ T69] kthread (kernel/kthread.c:436) [ 59.075530][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 59.075534][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 59.075536][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 59.075539][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 59.075543][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 59.075546][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 59.075549][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 60.198778][ T1268] softirqs last disabled at (15096): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 60.198781][ T1268] Preemption disabled at: | [ 60.198781][ T1268] vprintk_emit (kernel/printk/printk.c:2471) | [ 60.198790][ T1268] Tainted: [W]=WARN [ 60.198790][ T1268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.198792][ T1268] Call Trace: [ 60.198794][ T1268] [ 60.198796][ T1268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 60.198801][ T1268] ? vprintk_emit (kernel/printk/printk.c:2471) [ 60.198803][ T1268] __might_resched.cold (kernel/sched/core.c:9234) [ 60.198808][ T1268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.198812][ T1268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 60.198817][ T1268] __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)) [ 60.198818][ T1268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.198825][ T1268] ? 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) [ 60.198828][ T1268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.198832][ T1268] put_chars (drivers/char/virtio_console.c:1176) [ 60.198834][ T1268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 60.198840][ T1268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 60.198847][ T1268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 60.198850][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.198855][ T1268] console_emit_next_record (kernel/printk/printk.c:3183) [ 60.198859][ T1268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 60.198861][ T1268] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 60.198864][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.198867][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.198870][ T1268] console_flush_one_record (kernel/printk/printk.c:3268) [ 60.198874][ T1268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 60.198876][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.198881][ T1268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 60.198884][ T1268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 60.198886][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.198888][ T1268] ? 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) [ 60.198891][ T1268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 60.198893][ T1268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 60.198896][ T1268] vprintk_emit (kernel/printk/printk.c:2479) [ 60.198899][ T1268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 60.198901][ T1268] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 60.198906][ T1268] _printk (kernel/printk/printk.c:2504) [ 60.198910][ T1268] ? snapshot_read.cold (user.c:?) [ 60.198911][ T1268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.198914][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.198917][ T1268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.198919][ T1268] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 60.198923][ T1268] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 60.198925][ T1268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.198927][ T1268] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 60.198930][ T1268] ? netdev_notice (net/core/dev.c:13194) [ 60.198937][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.198940][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.198942][ T1268] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 60.198946][ T1268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.198948][ T1268] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 60.198950][ T1268] ? register_netdev (net/core/dev.c:11618) [ 60.198952][ T1268] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 60.198957][ T1268] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 60.198959][ T1268] ? __kernel_text_address (kernel/extable.c:79) [ 60.198962][ T1268] ? write_profile (profile.c:?) [ 60.198966][ T1268] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 60.198971][ T1268] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.198975][ T1268] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 60.198977][ T1268] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 60.198978][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 60.198980][ T1268] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 60.198983][ T1268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.198985][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.198987][ T1268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.198990][ T1268] ? kasan_save_stack (mm/kasan/common.c:58) [ 60.198992][ T1268] ? kasan_save_stack (mm/kasan/common.c:57) [ 60.198993][ T1268] ? kasan_save_track (mm/kasan/common.c:78) [ 60.198994][ T1268] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 60.198996][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.198998][ T1268] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 60.199001][ T1268] ? ___sys_sendmsg (net/socket.c:2758) [ 60.199005][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.199007][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 60.199009][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.199011][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.199013][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.199014][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.199015][ T1268] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 60.199018][ T1268] ? __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) [ 60.199019][ T1268] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 60.199021][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 60.199024][ T1268] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 60.199025][ T1268] ? nla_get_range_signed (lib/nlattr.c:270) [ 60.199030][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.199032][ T1268] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 60.199037][ T1268] rtnl_newlink (net/core/rtnetlink.c:4215) [ 60.199042][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.199044][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.199048][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.199050][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.199052][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.199054][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.199057][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.199059][ T1268] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 60.199062][ T1268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.199064][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.199068][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.199070][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.199073][ T1268] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 60.199076][ T1268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.199079][ T1268] ? netlink_ack (./include/linux/skbuff.h:2718) [ 60.199085][ T1268] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 60.199087][ T1268] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 60.199092][ T1268] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 60.199096][ T1268] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 60.199098][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.199102][ T1268] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 60.199106][ T1268] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 60.199110][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.199112][ T1268] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 60.199119][ T1268] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 60.199122][ T1268] ____sys_sendmsg (net/socket.c:2713) [ 60.199125][ T1268] ? copy_msghdr_from_user (net/socket.c:2650) [ 60.199127][ T1268] ? sock_write_iter (net/socket.c:1269) [ 60.199128][ T1268] ? move_addr_to_kernel (net/socket.c:258) [ 60.199136][ T1268] ___sys_sendmsg (net/socket.c:2767) [ 60.199138][ T1268] ? copy_msghdr_from_user (net/socket.c:2619) [ 60.199153][ T1268] __sys_sendmsg (net/socket.c:2799) [ 60.199156][ T1268] ? __sys_sendmsg_sock (net/socket.c:2780) [ 60.199162][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.199165][ T1268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 60.199168][ T1268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 60.199171][ T1268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 60.199173][ T1268] RIP: 0033:0x7f0917ebb54e [ 60.199177][ T1268] 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 [ 60.199179][ T1268] RSP: 002b:00007ffc8acafa40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 60.199181][ T1268] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0917ebb54e [ 60.199183][ T1268] RDX: 0000000000000000 RSI: 00007ffc8acafaf0 RDI: 0000000000000005 [ 60.199184][ T1268] RBP: 00007ffc8acafa50 R08: 0000000000000000 R09: 0000000000000000 [ 60.199184][ T1268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cd7 [ 60.199185][ T1268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8acb01b0 | [ 66.499433][ T36] softirqs last disabled at (290884): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 66.499436][ T36] Preemption disabled at: | [ 66.499436][ T36] 0x0 | [ 66.499447][ T36] Tainted: [W]=WARN [ 66.499448][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.499449][ T36] Workqueue: events_unbound linkwatch_event [ 66.499453][ T36] Call Trace: [ 66.499454][ T36] [ 66.499456][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.499462][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 66.499467][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.499471][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 66.499475][ T36] __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)) [ 66.499477][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.499484][ T36] ? 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) [ 66.499487][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.499491][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 66.499494][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.499500][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.499504][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.499509][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.499513][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.499515][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.499520][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.499523][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.499526][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.499530][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.499534][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.499536][ T36] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 66.499539][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.499541][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.499545][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.499550][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.499551][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.499557][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.499560][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.499562][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.499563][ T36] ? 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) [ 66.499567][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.499569][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.499572][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 66.499575][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.499576][ T36] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.499579][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.499581][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.499584][ T36] _printk (kernel/printk/printk.c:2504) [ 66.499588][ T36] ? snapshot_read.cold (user.c:?) [ 66.499591][ T36] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 66.499598][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 66.499602][ T36] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 66.499606][ T36] br_port_carrier_check (net/bridge/br_if.c:95) [ 66.499609][ T36] br_device_event (net/bridge/br.c:101) [ 66.499613][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 66.499619][ T36] notifier_call_chain (kernel/notifier.c:85) [ 66.499625][ T36] netif_state_change (net/core/dev.c:1625) [ 66.499629][ T36] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 66.499633][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.499637][ T36] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 66.499639][ T36] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 66.499641][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 66.499644][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.499646][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.499651][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 66.499653][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 66.499656][ T36] process_one_work (kernel/workqueue.c:3387) [ 66.499663][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 66.499668][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.499678][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 66.499685][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.499688][ T36] kthread (kernel/kthread.c:436) [ 66.499690][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.499693][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.499696][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 66.499700][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 66.499704][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 66.499707][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.499710][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 75.722203][ C2] softirqs last disabled at (3228813): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 75.722205][ C2] Preemption disabled at: | [ 75.722206][ C2] 0x0 | [ 75.722215][ C2] Tainted: [W]=WARN [ 75.722216][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.722217][ C2] Call Trace: [ 75.722219][ C2] [ 75.722221][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.722226][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 75.722229][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722232][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.722235][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 75.722238][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722240][ C2] __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)) [ 75.722242][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.722245][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.722249][ C2] ? 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) [ 75.722251][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.722253][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 75.722255][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.722256][ C2] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 75.722259][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.722264][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.722266][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722267][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.722269][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.722272][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.722274][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722275][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722276][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.722278][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 75.722279][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.722282][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.722284][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.722286][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.722288][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.722289][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722290][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.722292][ C2] ? 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) [ 75.722294][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.722295][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.722297][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 75.722299][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.722300][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 75.722304][ C2] _printk (kernel/printk/printk.c:2504) [ 75.722307][ C2] ? snapshot_read.cold (user.c:?) [ 75.722308][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 75.722311][ C2] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 75.722312][ C2] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 75.722314][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 75.722317][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 75.722319][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 75.722321][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 75.722323][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 75.722325][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 75.722327][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 75.722330][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722331][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.722333][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 75.722334][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 75.722335][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 75.722336][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 75.722338][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 75.722339][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 75.722343][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 75.722344][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 75.722347][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 75.722349][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 75.722351][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722353][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 75.722354][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 75.722356][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 75.722358][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 75.722361][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.722363][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 75.722365][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 75.722367][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.722370][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722371][ C2] handle_softirqs (kernel/softirq.c:645) [ 75.722373][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 75.722374][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 75.722376][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 75.722378][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 75.722379][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 75.722381][ C2] [ 75.722382][ C2] [ 75.722383][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 75.722384][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 75.722386][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 75.722389][ C2] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 75.722390][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 75.722393][ C2] RAX: 000000000031448b RBX: ff11000001c14740 RCX: ffffffffa1d06247 [ 75.722395][ C2] RDX: ff11000001c14740 RSI: ffffffffa4f11027 RDI: ffffffffa48949e0 [ 75.722395][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 75.722396][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 75.722397][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 75.722398][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 75.722402][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 75.722404][ C2] default_idle_call (kernel/sched/idle.c:122) [ 75.722405][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 75.722407][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 75.722408][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 75.722411][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.722412][ C2] do_idle (kernel/sched/idle.c:355) [ 75.722413][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 75.722415][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 75.722417][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 75.722419][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 75.781142][ C2] | [ 75.781208][ C2] | [ 75.781208][ C2] stack backtrace: | [ 75.781411][ C2] Tainted: [W]=WARN [ 75.781412][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.781413][ C2] Call Trace: [ 75.781414][ C2] [ 75.781416][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.781420][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 75.781423][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 75.781426][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 75.781427][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 75.781429][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 75.781431][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 75.781433][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 75.781435][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.781437][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.781438][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 75.781440][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 75.781441][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 75.781442][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 75.781444][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 75.781445][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 75.781447][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 75.781449][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 75.781452][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 75.781454][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 75.781455][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.781457][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 75.781459][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 75.781460][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 75.781462][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 75.781465][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.781468][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 75.781470][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 75.781471][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.781474][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.781475][ C2] handle_softirqs (kernel/softirq.c:645) [ 75.781477][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 75.781478][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 75.781480][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 75.781482][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 75.781484][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 75.781485][ C2] [ 75.781485][ C2] [ 75.781486][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 75.781487][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 75.781489][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 75.781491][ C2] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 75.781492][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 75.781494][ C2] RAX: 000000000031448b RBX: ff11000001c14740 RCX: ffffffffa1d06247 [ 75.781495][ C2] RDX: ff11000001c14740 RSI: ffffffffa4f11027 RDI: ffffffffa48949e0 [ 75.781496][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 75.781497][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 75.781498][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 75.781499][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 75.781501][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 75.781503][ C2] default_idle_call (kernel/sched/idle.c:122) [ 75.781504][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 75.781506][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 75.781507][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 75.781509][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.781510][ C2] do_idle (kernel/sched/idle.c:355) [ 75.781512][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 75.781513][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 75.781515][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 75.781517][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 96.593415][ T69] softirqs last disabled at (457410): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 96.593417][ T69] Preemption disabled at: | [ 96.593418][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 96.593428][ T69] Tainted: [W]=WARN [ 96.593429][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.593431][ T69] Workqueue: netns cleanup_net [ 96.593436][ T69] Call Trace: [ 96.593438][ T69] [ 96.593439][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.593445][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 96.593446][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 96.593450][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 96.593452][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.593455][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593457][ T69] __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)) [ 96.593460][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.593463][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.593467][ T69] ? 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) [ 96.593469][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.593471][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 96.593473][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.593475][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 96.593477][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.593482][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.593483][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 96.593486][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.593487][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593488][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593490][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.593492][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.593494][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593495][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593496][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593497][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.593500][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 96.593501][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.593504][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.593506][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.593508][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.593510][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.593511][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593512][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.593514][ T69] ? 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) [ 96.593515][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 96.593516][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.593519][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.593520][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 96.593521][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.593523][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 96.593524][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 96.593527][ T69] ? kthread (kernel/kthread.c:436) [ 96.593529][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 96.593532][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 96.593534][ T69] _printk (kernel/printk/printk.c:2504) [ 96.593537][ T69] ? snapshot_read.cold (user.c:?) [ 96.593539][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 96.593543][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 96.593545][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 96.593547][ T69] ? netdev_notice (net/core/dev.c:13194) [ 96.593549][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593550][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 96.593552][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 96.593554][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 96.593556][ T69] ? 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) [ 96.593557][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 96.593559][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 96.593561][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 96.593565][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 96.593567][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 96.593570][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 96.593572][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 96.593573][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 96.593576][ T69] cleanup_net (net/core/net_namespace.c:706) [ 96.593578][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 96.593579][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593581][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.593582][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.593584][ T69] process_one_work (kernel/workqueue.c:3387) [ 96.593586][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 96.593588][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 96.593591][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.593593][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 96.593595][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.593597][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 96.593599][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.593601][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.593602][ T69] kthread (kernel/kthread.c:436) [ 96.593604][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 96.593605][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 96.593607][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 96.593609][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 96.593611][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 96.593613][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:kmem_cache_alloc_noprof:__alloc_object:__create_object br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars