====================================== | [ 10.595608][ T223] softirqs last disabled at (0): 0x0 | [ 10.595610][ T223] Preemption disabled at: | [ 10.595611][ T223] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.595621][ T223] Tainted: [W]=WARN [ 10.595621][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.595623][ T223] Call Trace: [ 10.595625][ T223] [ 10.595626][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.595632][ T223] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.595633][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 10.595637][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.595640][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595643][ T223] __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)) [ 10.595645][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.595648][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.595653][ T223] ? 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) [ 10.595655][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.595658][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 10.595659][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.595660][ T223] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.595663][ T223] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 10.595665][ T223] ? pointer (lib/vsprintf.c:2577) [ 10.595668][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.595672][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.595674][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.595676][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595678][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.595681][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.595683][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595684][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595685][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595686][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595688][ T223] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.595690][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.595692][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.595695][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.595697][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595698][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.595700][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595701][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.595702][ T223] ? 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) [ 10.595704][ T223] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 10.595705][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.595707][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.595708][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 10.595710][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.595711][ T223] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 10.595713][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.595717][ T223] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.595719][ T223] _printk (kernel/printk/printk.c:2504) [ 10.595722][ T223] ? snapshot_read.cold (user.c:?) [ 10.595724][ T223] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 10.595726][ T223] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.595729][ T223] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.595731][ T223] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.595734][ T223] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.595737][ T223] ? netdev_notice (net/core/dev.c:13194) [ 10.595739][ T223] ? 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) [ 10.595740][ T223] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 10.595743][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.595744][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595745][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595746][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.595747][ T223] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 10.595749][ T223] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 10.595750][ T223] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.595751][ T223] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.595753][ T223] ? register_netdev (net/core/dev.c:11618) [ 10.595754][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.595756][ T223] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.595759][ T223] ? __kernel_text_address (kernel/extable.c:79) [ 10.595761][ T223] ? write_profile (profile.c:?) [ 10.595764][ T223] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.595768][ T223] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.595770][ T223] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.595771][ T223] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.595772][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595774][ T223] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.595777][ T223] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.595779][ T223] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.595780][ T223] ? kasan_save_track (mm/kasan/common.c:78) [ 10.595781][ T223] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.595782][ T223] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 10.595783][ T223] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 10.595784][ T223] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.595785][ T223] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.595788][ T223] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.595790][ T223] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.595791][ T223] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.595794][ T223] ? ____sys_sendmsg (net/socket.c:2713) [ 10.595795][ T223] ? ___sys_sendmsg (net/socket.c:2767) [ 10.595797][ T223] ? __sys_sendmsg (net/socket.c:2799) [ 10.595798][ T223] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.595801][ T223] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.595803][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595804][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595806][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595807][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595808][ T223] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.595809][ T223] ? __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) [ 10.595810][ T223] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.595811][ T223] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.595813][ T223] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.595814][ T223] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.595817][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595818][ T223] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.595820][ T223] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.595822][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595823][ T223] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.595825][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595826][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595827][ T223] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 10.595829][ T223] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.595831][ T223] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.595832][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595833][ T223] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.595836][ T223] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 10.595839][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595840][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595841][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595842][ T223] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.595843][ T223] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.595845][ T223] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.595847][ T223] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.595848][ T223] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.595850][ T223] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.595852][ T223] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.595853][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.595855][ T223] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.595856][ T223] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 10.595860][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595861][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.595863][ T223] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.595865][ T223] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.595867][ T223] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.595868][ T223] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.595876][ T223] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.595877][ T223] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.595879][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595880][ T223] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.595883][ T223] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.595885][ T223] ____sys_sendmsg (net/socket.c:2713) [ 10.595887][ T223] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.595889][ T223] ? sock_write_iter (net/socket.c:1269) [ 10.595890][ T223] ? move_addr_to_kernel (net/socket.c:258) [ 10.595892][ T223] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.595894][ T223] ___sys_sendmsg (net/socket.c:2767) [ 10.595896][ T223] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.595901][ T223] __sys_sendmsg (net/socket.c:2799) [ 10.595903][ T223] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.595906][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595907][ T223] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.595909][ T223] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.595911][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.595912][ T223] RIP: 0033:0x7f1b7168f54e [ 10.595914][ T223] 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 [ 10.595916][ T223] RSP: 002b:00007fff0fc46c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.595919][ T223] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1b7168f54e [ 10.595921][ T223] RDX: 0000000000000000 RSI: 00007fff0fc46cf0 RDI: 0000000000000005 [ 10.595922][ T223] RBP: 00007fff0fc46c50 R08: 0000000000000000 R09: 0000000000000000 [ 10.595922][ T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91040a [ 10.595923][ T223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0fc473b0 | [ 16.707931][ T289] softirqs last disabled at (0): 0x0 | [ 16.707933][ T289] Preemption disabled at: | [ 16.707934][ T289] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.707944][ T289] Tainted: [W]=WARN [ 16.707945][ T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.707947][ T289] Call Trace: [ 16.707948][ T289] [ 16.707949][ T289] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.707955][ T289] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.707956][ T289] __might_resched.cold (kernel/sched/core.c:9234) [ 16.707960][ T289] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.707964][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.707966][ T289] __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)) [ 16.707969][ T289] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.707972][ T289] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.707977][ T289] ? 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) [ 16.707979][ T289] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.707982][ T289] put_chars (drivers/char/virtio_console.c:1176) [ 16.707983][ T289] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.707985][ T289] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.707987][ T289] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 16.707989][ T289] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.707994][ T289] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.707995][ T289] ? 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) [ 16.707997][ T289] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.707999][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.708000][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.708001][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.708003][ T289] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.708006][ T289] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.708008][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.708009][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.708009][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.708010][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.708012][ T289] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 16.708014][ T289] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.708017][ T289] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.708019][ T289] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.708021][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.708022][ T289] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.708024][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.708025][ T289] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.708027][ T289] ? 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) [ 16.708028][ T289] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 16.708029][ T289] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.708031][ T289] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.708033][ T289] vprintk_emit (kernel/printk/printk.c:2479) [ 16.708035][ T289] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.708037][ T289] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.708039][ T289] _printk (kernel/printk/printk.c:2504) [ 16.708042][ T289] ? snapshot_read.cold (user.c:?) [ 16.708045][ T289] ? 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) [ 16.708047][ T289] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.708049][ T289] do_one_initcall (init/main.c:1357) [ 16.708051][ T289] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.708053][ T289] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.708056][ T289] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.708059][ T289] do_init_module (kernel/module/main.c:3117) [ 16.708061][ T289] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.708062][ T289] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.708064][ T289] load_module (kernel/module/main.c:3593) [ 16.708066][ T289] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 16.708070][ T289] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.708072][ T289] ? __ia32_sys_fsconfig (??:?) [ 16.708075][ T289] ? backing_file_read_iter (fs/backing-file.c:211) [ 16.708078][ T289] init_module_from_file (kernel/module/main.c:3790) [ 16.708080][ T289] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.708081][ T289] ? ovl_mmap (fs/overlayfs/file.c:477) [ 16.708085][ T289] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.708086][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.708088][ T289] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.708089][ T289] ? 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) [ 16.708091][ T289] idempotent_init_module (kernel/module/main.c:3802) [ 16.708092][ T289] ? init_module_from_file (kernel/module/main.c:3791) [ 16.708095][ T289] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.708096][ T289] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 16.708099][ T289] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.708101][ T289] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.708104][ T289] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.708107][ T289] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.708109][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.708111][ T289] RIP: 0033:0x7fc93df2537d [ 16.708113][ T289] 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 [ 16.708115][ T289] RSP: 002b:00007ffe2d3e10b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.708119][ T289] RAX: ffffffffffffffda RBX: 0000560a0cc4b810 RCX: 00007fc93df2537d [ 16.708120][ T289] RDX: 0000000000000000 RSI: 00005609d4edaffd RDI: 0000000000000000 [ 16.708121][ T289] RBP: 00007ffe2d3e1150 R08: 0000000000000000 R09: 0000000000000000 [ 16.708122][ T289] R10: 0000000000000000 R11: 0000000000000246 R12: 00005609d4edaffd [ 16.708123][ T289] R13: 0000560a0cc4b960 R14: 0000000000040000 R15: 0000000000000000 | [ 18.187890][ T95] softirqs last disabled at (16479): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.187900][ T95] Preemption disabled at: | [ 18.187901][ T95] 0x0 | [ 18.187910][ T95] Tainted: [W]=WARN [ 18.187911][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.187913][ T95] Workqueue: events_unbound linkwatch_event [ 18.187919][ T95] Call Trace: [ 18.187921][ T95] [ 18.187922][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.187928][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 18.187932][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.187935][ T95] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.187938][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.187941][ T95] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.187943][ T95] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.187946][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.187950][ T95] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.187952][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.187955][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 18.187956][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.187958][ T95] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 18.187960][ T95] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 18.187963][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.187968][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.187970][ T95] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.187971][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.187972][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.187973][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.187975][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.187978][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.187980][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.187981][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.187982][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.187983][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.187985][ T95] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 18.187987][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.187989][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.187992][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.187994][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.187995][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.187997][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.187998][ T95] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.187999][ T95] ? 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) [ 18.188001][ T95] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 18.188002][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.188004][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.188006][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 18.188008][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.188009][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.188010][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.188014][ T95] _printk (kernel/printk/printk.c:2504) [ 18.188017][ T95] ? snapshot_read.cold (user.c:?) [ 18.188018][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.188020][ T95] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 18.188024][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.188028][ T95] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 18.188030][ T95] br_port_carrier_check (net/bridge/br_if.c:95) [ 18.188032][ T95] br_device_event (net/bridge/br.c:101) [ 18.188035][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.188037][ T95] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 18.188040][ T95] notifier_call_chain (kernel/notifier.c:85) [ 18.188044][ T95] netif_state_change (net/core/dev.c:1625) [ 18.188047][ T95] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 18.188050][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.188052][ T95] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 18.188053][ T95] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 18.188055][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.188057][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.188058][ T95] ? debug_object_active_state (lib/debugobjects.c:1122) [ 18.188062][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.188063][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.188065][ T95] process_one_work (kernel/workqueue.c:3387) [ 18.188069][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.188071][ T95] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.188073][ T95] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.188076][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.188078][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.188080][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 18.188082][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.188084][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.188085][ T95] kthread (kernel/kthread.c:436) [ 18.188087][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.188089][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.188090][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.188093][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.188095][ T95] ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22)) [ 18.188098][ T95] ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144) [ 18.188100][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.188102][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.188104][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.339690][ T413] softirqs last disabled at (0): 0x0 | [ 19.339692][ T413] Preemption disabled at: | [ 19.339692][ T413] 0x0 | [ 19.339700][ T413] Tainted: [W]=WARN [ 19.339701][ T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.339703][ T413] Call Trace: [ 19.339705][ T413] [ 19.339706][ T413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.339712][ T413] __might_resched.cold (kernel/sched/core.c:9234) [ 19.339716][ T413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.339719][ T413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 19.339723][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339726][ T413] __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)) [ 19.339728][ T413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.339731][ T413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.339737][ T413] ? 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) [ 19.339738][ T413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.339741][ T413] put_chars (drivers/char/virtio_console.c:1176) [ 19.339743][ T413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.339744][ T413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 19.339747][ T413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.339752][ T413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.339754][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339755][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339757][ T413] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.339760][ T413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.339762][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339763][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339764][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339765][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339767][ T413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 19.339768][ T413] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.339771][ T413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.339773][ T413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.339775][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339777][ T413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.339778][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339779][ T413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 19.339781][ T413] ? 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) [ 19.339782][ T413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 19.339783][ T413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.339785][ T413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.339787][ T413] vprintk_emit (kernel/printk/printk.c:2479) [ 19.339789][ T413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.339790][ T413] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 19.339793][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339795][ T413] _printk (kernel/printk/printk.c:2504) [ 19.339798][ T413] ? snapshot_read.cold (user.c:?) [ 19.339799][ T413] ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3)) [ 19.339801][ T413] ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1549) [ 19.339806][ T413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.339810][ T413] br_init_port (net/bridge/br_stp_if.c:39) [ 19.339811][ T413] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.339813][ T413] br_device_event (net/bridge/br.c:120) [ 19.339815][ T413] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.339816][ T413] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 19.339819][ T413] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 19.339822][ T413] notifier_call_chain (kernel/notifier.c:85) [ 19.339825][ T413] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 19.339828][ T413] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.339830][ T413] ? netif_change_name (net/core/dev.c:1517) [ 19.339832][ T413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 19.339834][ T413] ? write_profile (profile.c:?) [ 19.339837][ T413] netif_change_flags (net/core/dev.c:9882) [ 19.339839][ T413] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 19.339842][ T413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 19.339843][ T413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 19.339845][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339846][ T413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 19.339849][ T413] ? kasan_save_stack (mm/kasan/common.c:58) [ 19.339851][ T413] ? kasan_save_stack (mm/kasan/common.c:57) [ 19.339852][ T413] ? kasan_save_track (mm/kasan/common.c:78) [ 19.339853][ T413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 19.339854][ T413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 19.339855][ T413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 19.339856][ T413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 19.339857][ T413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 19.339859][ T413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 19.339860][ T413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 19.339862][ T413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 19.339864][ T413] ? ____sys_sendmsg (net/socket.c:2713) [ 19.339865][ T413] ? ___sys_sendmsg (net/socket.c:2767) [ 19.339867][ T413] ? __sys_sendmsg (net/socket.c:2799) [ 19.339868][ T413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.339872][ T413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.339874][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339875][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339877][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339878][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339879][ T413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 19.339880][ T413] ? __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) [ 19.339882][ T413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 19.339883][ T413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 19.339885][ T413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 19.339886][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339887][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 19.339889][ T413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 19.339891][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339892][ T413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 19.339894][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339900][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339901][ T413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 19.339904][ T413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 19.339905][ T413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 19.339907][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339909][ T413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.339911][ T413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 19.339914][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339915][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339916][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339917][ T413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 19.339919][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 19.339920][ T413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.339921][ T413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 19.339923][ T413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 19.339925][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 19.339927][ T413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.339928][ T413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 19.339930][ T413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 19.339931][ T413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 19.339934][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339935][ T413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 19.339937][ T413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 19.339939][ T413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.339940][ T413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.339942][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 19.339944][ T413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.339946][ T413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 19.339947][ T413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.339949][ T413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 19.339952][ T413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 19.339954][ T413] ____sys_sendmsg (net/socket.c:2713) [ 19.339955][ T413] ? copy_msghdr_from_user (net/socket.c:2650) [ 19.339957][ T413] ? sock_write_iter (net/socket.c:1269) [ 19.339958][ T413] ? move_addr_to_kernel (net/socket.c:258) [ 19.339960][ T413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 19.339962][ T413] ___sys_sendmsg (net/socket.c:2767) [ 19.339964][ T413] ? copy_msghdr_from_user (net/socket.c:2619) [ 19.339969][ T413] __sys_sendmsg (net/socket.c:2799) [ 19.339971][ T413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 19.339974][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.339975][ T413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.339977][ T413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.339979][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.339980][ T413] RIP: 0033:0x7f43fb88454e [ 19.339982][ T413] 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 [ 19.339984][ T413] RSP: 002b:00007ffef4be20d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.339987][ T413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f43fb88454e [ 19.339988][ T413] RDX: 0000000000000000 RSI: 00007ffef4be2180 RDI: 0000000000000005 [ 19.339989][ T413] RBP: 00007ffef4be20e0 R08: 0000000000000000 R09: 0000000000000000 [ 19.339990][ T413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910413 [ 19.339991][ T413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef4be2850 | [ 20.597411][ T12] softirqs last disabled at (94): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 20.597413][ T12] Preemption disabled at: | [ 20.597414][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.597424][ T12] Tainted: [W]=WARN [ 20.597425][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.597427][ T12] Workqueue: netns cleanup_net [ 20.597432][ T12] Call Trace: [ 20.597434][ T12] [ 20.597436][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.597441][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.597443][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 20.597446][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 20.597448][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.597451][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597454][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 20.597457][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.597460][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.597464][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.597466][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.597469][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 20.597470][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.597472][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 20.597475][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.597479][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.597481][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 20.597483][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.597484][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597485][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597487][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.597490][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.597492][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597493][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597494][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597495][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.597497][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 20.597499][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.597501][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.597505][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.597507][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.597510][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.597512][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597512][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.597514][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 20.597515][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 20.597517][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.597519][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.597520][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 20.597522][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.597523][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 20.597524][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.597527][ T12] ? kthread (kernel/kthread.c:436) [ 20.597529][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 20.597532][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 20.597535][ T12] _printk (kernel/printk/printk.c:2504) [ 20.597538][ T12] ? snapshot_read.cold (user.c:?) [ 20.597540][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.597543][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.597545][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.597547][ T12] ? netdev_notice (net/core/dev.c:13194) [ 20.597550][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597551][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 20.597552][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 20.597555][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 20.597556][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 20.597558][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 20.597560][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 20.597563][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 20.597566][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 20.597568][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 20.597570][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 20.597572][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 20.597574][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 20.597577][ T12] cleanup_net (net/core/net_namespace.c:706) [ 20.597579][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 20.597581][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.597582][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.597584][ T12] process_one_work (kernel/workqueue.c:3387) [ 20.597587][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.597589][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.597591][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.597593][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.597596][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.597598][ T12] kthread (kernel/kthread.c:436) [ 20.597600][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.597601][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.597603][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.597605][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.597607][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.597609][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.597611][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.670809][ T532] softirqs last disabled at (0): 0x0 | [ 21.670811][ T532] Preemption disabled at: | [ 21.670812][ T532] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.670822][ T532] Tainted: [W]=WARN [ 21.670823][ T532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.670825][ T532] Call Trace: [ 21.670826][ T532] [ 21.670828][ T532] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.670833][ T532] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.670835][ T532] __might_resched.cold (kernel/sched/core.c:9234) [ 21.670839][ T532] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.670842][ T532] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 21.670846][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670848][ T532] __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)) [ 21.670851][ T532] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.670854][ T532] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.670859][ T532] ? 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) [ 21.670860][ T532] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.670863][ T532] put_chars (drivers/char/virtio_console.c:1176) [ 21.670865][ T532] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.670866][ T532] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 21.670869][ T532] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.670874][ T532] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.670876][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670877][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.670879][ T532] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.670882][ T532] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.670884][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670885][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670886][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670887][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.670889][ T532] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.670891][ T532] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.670893][ T532] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.670896][ T532] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.670898][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.670900][ T532] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.670907][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670908][ T532] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.670909][ T532] ? 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) [ 21.670911][ T532] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 21.670912][ T532] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.670914][ T532] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.670916][ T532] vprintk_emit (kernel/printk/printk.c:2479) [ 21.670918][ T532] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.670919][ T532] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.670920][ T532] ? __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) [ 21.670923][ T532] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.670925][ T532] _printk (kernel/printk/printk.c:2504) [ 21.670928][ T532] ? snapshot_read.cold (user.c:?) [ 21.670929][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670931][ T532] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.670932][ T532] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 21.670934][ T532] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 21.670938][ T532] br_init_port (net/bridge/br_stp_if.c:39) [ 21.670940][ T532] new_nbp (net/bridge/br_if.c:449) [ 21.670942][ T532] br_add_if (net/bridge/br_if.c:592) [ 21.670944][ T532] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 21.670945][ T532] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.670949][ T532] do_set_master (net/core/rtnetlink.c:3071) [ 21.670952][ T532] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 21.670954][ T532] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.670957][ T532] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.670958][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670959][ T532] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 21.670963][ T532] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.670965][ T532] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.670966][ T532] ? kasan_save_track (mm/kasan/common.c:78) [ 21.670967][ T532] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.670968][ T532] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 21.670969][ T532] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 21.670970][ T532] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.670971][ T532] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.670974][ T532] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.670976][ T532] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.670977][ T532] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.670980][ T532] ? ____sys_sendmsg (net/socket.c:2713) [ 21.670982][ T532] ? ___sys_sendmsg (net/socket.c:2767) [ 21.670983][ T532] ? __sys_sendmsg (net/socket.c:2799) [ 21.670985][ T532] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.670987][ T532] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.670990][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670991][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.670993][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670993][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.670995][ T532] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.670996][ T532] ? __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) [ 21.670997][ T532] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.670998][ T532] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.671000][ T532] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.671001][ T532] ? nla_get_range_signed (lib/nlattr.c:270) [ 21.671004][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671005][ T532] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.671008][ T532] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.671010][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671011][ T532] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.671012][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.671013][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671015][ T532] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 21.671016][ T532] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.671017][ T532] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 21.671020][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671021][ T532] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 21.671024][ T532] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 21.671026][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671027][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.671029][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671030][ T532] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.671031][ T532] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.671033][ T532] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.671034][ T532] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.671036][ T532] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 21.671038][ T532] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.671040][ T532] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.671041][ T532] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.671043][ T532] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.671044][ T532] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 21.671048][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671049][ T532] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.671051][ T532] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.671053][ T532] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.671055][ T532] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.671057][ T532] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.671059][ T532] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.671060][ T532] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 21.671062][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.671063][ T532] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.671067][ T532] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.671069][ T532] ____sys_sendmsg (net/socket.c:2713) [ 21.671070][ T532] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.671072][ T532] ? sock_write_iter (net/socket.c:1269) [ 21.671073][ T532] ? move_addr_to_kernel (net/socket.c:258) [ 21.671075][ T532] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.671078][ T532] ___sys_sendmsg (net/socket.c:2767) [ 21.671079][ T532] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.671085][ T532] __sys_sendmsg (net/socket.c:2799) [ 21.671087][ T532] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.671089][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671091][ T532] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.671093][ T532] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.671095][ T532] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.671096][ T532] RIP: 0033:0x7ff5882a254e [ 21.671098][ T532] 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 [ 21.671100][ T532] RSP: 002b:00007fff18020440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.671103][ T532] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff5882a254e [ 21.671105][ T532] RDX: 0000000000000000 RSI: 00007fff180204f0 RDI: 0000000000000005 [ 21.671106][ T532] RBP: 00007fff18020450 R08: 0000000000000000 R09: 0000000000000000 [ 21.671106][ T532] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910415 [ 21.671107][ T532] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff18020bc0 | [ 27.899261][ T38] softirqs last disabled at (0): 0x0 | [ 27.899264][ T38] Preemption disabled at: | [ 27.899264][ T38] 0x0 | [ 27.899272][ T38] Tainted: [W]=WARN [ 27.899273][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.899275][ T38] Workqueue: events_unbound linkwatch_event [ 27.899281][ T38] Call Trace: [ 27.899282][ T38] [ 27.899284][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.899289][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 27.899293][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.899296][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899300][ 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)) [ 27.899302][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.899305][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.899310][ 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) [ 27.899312][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.899314][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 27.899316][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.899317][ T38] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.899320][ T38] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 27.899323][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.899327][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.899329][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.899331][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899332][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899333][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.899335][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.899338][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.899340][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899341][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899342][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899343][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.899345][ T38] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 27.899347][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.899349][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.899352][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.899354][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.899355][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.899357][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899358][ T38] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.899359][ 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) [ 27.899361][ T38] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 27.899362][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.899364][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.899366][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 27.899367][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.899369][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.899370][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.899373][ T38] _printk (kernel/printk/printk.c:2504) [ 27.899376][ T38] ? snapshot_read.cold (user.c:?) [ 27.899378][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.899380][ T38] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 27.899383][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 27.899387][ T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 27.899389][ T38] br_port_carrier_check (net/bridge/br_if.c:95) [ 27.899391][ T38] br_device_event (net/bridge/br.c:101) [ 27.899394][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 27.899396][ T38] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 27.899399][ T38] notifier_call_chain (kernel/notifier.c:85) [ 27.899402][ T38] netif_state_change (net/core/dev.c:1625) [ 27.899405][ T38] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 27.899408][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.899410][ T38] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 27.899412][ T38] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 27.899413][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 27.899415][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.899416][ T38] ? debug_object_active_state (lib/debugobjects.c:1122) [ 27.899420][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 27.899421][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 27.899423][ T38] process_one_work (kernel/workqueue.c:3387) [ 27.899427][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.899429][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.899431][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.899433][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.899436][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.899438][ T38] kthread (kernel/kthread.c:436) [ 27.899440][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.899441][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.899443][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.899446][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.899448][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.899451][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.899453][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.108269][ T38] softirqs last disabled at (0): 0x0 | [ 29.108272][ T38] Preemption disabled at: | [ 29.108273][ T38] 0x0 | [ 29.108282][ T38] Tainted: [W]=WARN [ 29.108283][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.108285][ T38] Workqueue: events_unbound linkwatch_event [ 29.108290][ T38] Call Trace: [ 29.108292][ T38] [ 29.108293][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.108299][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 29.108303][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.108307][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108310][ 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)) [ 29.108312][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.108315][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.108320][ 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) [ 29.108321][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.108324][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 29.108326][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.108327][ T38] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 29.108330][ T38] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 29.108332][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.108337][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.108339][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.108341][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108342][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108343][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.108345][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.108348][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.108350][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108351][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108352][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108353][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.108355][ T38] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 29.108356][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.108359][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.108362][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.108364][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.108365][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.108367][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108368][ T38] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.108369][ 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) [ 29.108371][ T38] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 29.108372][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.108374][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.108376][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 29.108378][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.108379][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.108380][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.108384][ T38] _printk (kernel/printk/printk.c:2504) [ 29.108387][ T38] ? snapshot_read.cold (user.c:?) [ 29.108389][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.108390][ T38] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 29.108394][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.108398][ T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 29.108400][ T38] br_port_carrier_check (net/bridge/br_if.c:95) [ 29.108403][ T38] br_device_event (net/bridge/br.c:101) [ 29.108405][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.108407][ T38] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 29.108410][ T38] notifier_call_chain (kernel/notifier.c:85) [ 29.108414][ T38] netif_state_change (net/core/dev.c:1625) [ 29.108417][ T38] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 29.108420][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.108422][ T38] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 29.108424][ T38] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 29.108425][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.108427][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.108429][ T38] ? debug_object_active_state (lib/debugobjects.c:1122) [ 29.108432][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.108434][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.108436][ T38] process_one_work (kernel/workqueue.c:3387) [ 29.108440][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.108442][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.108444][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.108446][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.108449][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.108451][ T38] kthread (kernel/kthread.c:436) [ 29.108453][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.108454][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.108456][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.108459][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.108461][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.108464][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.108466][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.212270][ T38] softirqs last disabled at (0): 0x0 | [ 31.212273][ T38] Preemption disabled at: | [ 31.212273][ T38] 0x0 | [ 31.212281][ T38] Tainted: [W]=WARN [ 31.212282][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.212284][ T38] Workqueue: events_unbound linkwatch_event [ 31.212290][ T38] Call Trace: [ 31.212292][ T38] [ 31.212293][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.212298][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 31.212302][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.212306][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212309][ 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)) [ 31.212311][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.212314][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.212319][ 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) [ 31.212320][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.212323][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 31.212324][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.212326][ T38] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.212329][ T38] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 31.212331][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.212336][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.212338][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.212339][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212340][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212341][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.212344][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.212347][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.212349][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212350][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212350][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212352][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.212353][ T38] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.212355][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.212358][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.212360][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.212362][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.212364][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.212366][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212367][ T38] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.212368][ 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) [ 31.212369][ T38] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 31.212371][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.212373][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.212374][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 31.212376][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.212378][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.212379][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.212382][ T38] _printk (kernel/printk/printk.c:2504) [ 31.212385][ T38] ? snapshot_read.cold (user.c:?) [ 31.212387][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.212389][ T38] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 31.212392][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.212396][ T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 31.212398][ T38] br_port_carrier_check (net/bridge/br_if.c:95) [ 31.212400][ T38] br_device_event (net/bridge/br.c:101) [ 31.212403][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.212405][ T38] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 31.212408][ T38] notifier_call_chain (kernel/notifier.c:85) [ 31.212411][ T38] netif_state_change (net/core/dev.c:1625) [ 31.212414][ T38] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 31.212417][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.212419][ T38] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 31.212421][ T38] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 31.212422][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 31.212424][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.212426][ T38] ? debug_object_active_state (lib/debugobjects.c:1122) [ 31.212429][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 31.212431][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 31.212432][ T38] process_one_work (kernel/workqueue.c:3387) [ 31.212436][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 31.212438][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.212440][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.212443][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 31.212446][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 31.212447][ T38] kthread (kernel/kthread.c:436) [ 31.212449][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.212451][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 31.212453][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 31.212456][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 31.212458][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 31.212460][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 31.212462][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.710228][ T795] softirqs last disabled at (0): 0x0 | [ 32.710230][ T795] Preemption disabled at: | [ 32.710231][ T795] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.710241][ T795] Tainted: [W]=WARN [ 32.710242][ T795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.710243][ T795] Call Trace: [ 32.710245][ T795] [ 32.710246][ T795] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.710252][ T795] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.710253][ T795] __might_resched.cold (kernel/sched/core.c:9234) [ 32.710257][ T795] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.710260][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710263][ T795] __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)) [ 32.710266][ T795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.710269][ T795] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.710274][ T795] ? 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) [ 32.710276][ T795] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.710278][ T795] put_chars (drivers/char/virtio_console.c:1176) [ 32.710280][ T795] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.710281][ T795] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.710283][ T795] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.710285][ T795] ? pointer (lib/vsprintf.c:2577) [ 32.710289][ T795] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.710293][ T795] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.710295][ T795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.710297][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.710300][ T795] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.710302][ T795] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.710304][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710305][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710306][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710307][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.710309][ T795] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.710311][ T795] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.710313][ T795] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.710316][ T795] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.710318][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.710320][ T795] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.710321][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710322][ T795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.710324][ T795] ? 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) [ 32.710325][ T795] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 32.710327][ T795] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.710329][ T795] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.710330][ T795] vprintk_emit (kernel/printk/printk.c:2479) [ 32.710332][ T795] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.710333][ T795] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 32.710335][ T795] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.710338][ T795] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 32.710341][ T795] _printk (kernel/printk/printk.c:2504) [ 32.710343][ T795] ? snapshot_read.cold (user.c:?) [ 32.710345][ T795] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 32.710347][ T795] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.710351][ T795] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.710353][ T795] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.710356][ T795] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.710358][ T795] ? netdev_notice (net/core/dev.c:13194) [ 32.710360][ T795] ? 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) [ 32.710361][ T795] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 32.710364][ T795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.710366][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710367][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710368][ T795] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.710369][ T795] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 32.710371][ T795] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 32.710372][ T795] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.710373][ T795] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 32.710375][ T795] ? register_netdev (net/core/dev.c:11618) [ 32.710376][ T795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.710378][ T795] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 32.710381][ T795] ? __kernel_text_address (kernel/extable.c:79) [ 32.710384][ T795] ? write_profile (profile.c:?) [ 32.710387][ T795] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 32.710391][ T795] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.710392][ T795] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.710394][ T795] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.710395][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710396][ T795] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.710399][ T795] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.710401][ T795] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.710402][ T795] ? kasan_save_track (mm/kasan/common.c:78) [ 32.710403][ T795] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 32.710404][ T795] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 32.710406][ T795] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 32.710407][ T795] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.710408][ T795] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.710411][ T795] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.710413][ T795] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.710414][ T795] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 32.710417][ T795] ? ____sys_sendmsg (net/socket.c:2713) [ 32.710418][ T795] ? ___sys_sendmsg (net/socket.c:2767) [ 32.710419][ T795] ? __sys_sendmsg (net/socket.c:2799) [ 32.710421][ T795] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.710424][ T795] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.710426][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710427][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.710429][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710430][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710431][ T795] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.710432][ T795] ? __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) [ 32.710433][ T795] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.710434][ T795] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.710436][ T795] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.710437][ T795] ? nla_get_range_signed (lib/nlattr.c:270) [ 32.710440][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710442][ T795] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.710444][ T795] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.710446][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710447][ T795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.710448][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.710450][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710451][ T795] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 32.710453][ T795] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 32.710455][ T795] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.710456][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710457][ T795] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.710460][ T795] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 32.710463][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710464][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.710465][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710467][ T795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.710468][ T795] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.710470][ T795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.710471][ T795] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.710473][ T795] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.710475][ T795] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.710477][ T795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.710478][ T795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.710480][ T795] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.710481][ T795] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 32.710484][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710486][ T795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.710488][ T795] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.710490][ T795] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.710492][ T795] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.710494][ T795] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.710496][ T795] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.710497][ T795] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.710499][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.710500][ T795] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 32.710504][ T795] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 32.710506][ T795] ____sys_sendmsg (net/socket.c:2713) [ 32.710508][ T795] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.710510][ T795] ? sock_write_iter (net/socket.c:1269) [ 32.710512][ T795] ? move_addr_to_kernel (net/socket.c:258) [ 32.710513][ T795] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.710516][ T795] ___sys_sendmsg (net/socket.c:2767) [ 32.710518][ T795] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.710523][ T795] __sys_sendmsg (net/socket.c:2799) [ 32.710525][ T795] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.710528][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.710529][ T795] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.710531][ T795] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.710533][ T795] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.710534][ T795] RIP: 0033:0x7fe7f92b554e [ 32.710536][ T795] 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 [ 32.710538][ T795] RSP: 002b:00007ffffb369380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.710542][ T795] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe7f92b554e [ 32.710543][ T795] RDX: 0000000000000000 RSI: 00007ffffb369430 RDI: 0000000000000005 [ 32.710544][ T795] RBP: 00007ffffb369390 R08: 0000000000000000 R09: 0000000000000000 [ 32.710545][ T795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910420 [ 32.710546][ T795] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffb369af0 | [ 38.971265][ T71] softirqs last disabled at (0): 0x0 | [ 38.971268][ T71] Preemption disabled at: | [ 38.971269][ T71] 0x0 | [ 38.971277][ T71] Tainted: [W]=WARN [ 38.971278][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.971280][ T71] Workqueue: events_unbound linkwatch_event [ 38.971287][ T71] Call Trace: [ 38.971288][ T71] [ 38.971289][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.971295][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 38.971299][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.971303][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.971306][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971308][ T71] __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)) [ 38.971311][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.971313][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.971318][ T71] ? 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) [ 38.971320][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.971323][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 38.971325][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.971326][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 38.971329][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 38.971331][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.971336][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.971338][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.971340][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971341][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971342][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.971344][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.971346][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.971349][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971349][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971350][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971351][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.971353][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.971355][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.971358][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.971360][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.971362][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.971364][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.971366][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971367][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.971368][ T71] ? 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) [ 38.971370][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 38.971371][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.971373][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.971375][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 38.971377][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.971378][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.971379][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.971383][ T71] _printk (kernel/printk/printk.c:2504) [ 38.971386][ T71] ? snapshot_read.cold (user.c:?) [ 38.971388][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.971390][ T71] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 38.971394][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.971398][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 38.971399][ T71] br_port_carrier_check (net/bridge/br_if.c:95) [ 38.971402][ T71] br_device_event (net/bridge/br.c:101) [ 38.971405][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.971407][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 38.971410][ T71] notifier_call_chain (kernel/notifier.c:85) [ 38.971414][ T71] netif_state_change (net/core/dev.c:1625) [ 38.971417][ T71] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 38.971420][ T71] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.971422][ T71] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 38.971424][ T71] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 38.971425][ T71] __linkwatch_run_queue (net/core/link_watch.c:240) [ 38.971427][ T71] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.971429][ T71] ? debug_object_active_state (lib/debugobjects.c:1122) [ 38.971432][ T71] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 38.971434][ T71] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 38.971435][ T71] process_one_work (kernel/workqueue.c:3387) [ 38.971440][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.971442][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.971444][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.971446][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.971449][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.971451][ T71] kthread (kernel/kthread.c:436) [ 38.971453][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.971455][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.971456][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.971460][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.971462][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.971464][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.971466][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.894739][ T12] softirqs last disabled at (94): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 41.894741][ T12] Preemption disabled at: | [ 41.894742][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.894752][ T12] Tainted: [W]=WARN [ 41.894753][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.894755][ T12] Workqueue: netns cleanup_net [ 41.894761][ T12] Call Trace: [ 41.894762][ T12] [ 41.894764][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.894769][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.894771][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 41.894774][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 41.894776][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.894780][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894782][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.894785][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.894788][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.894793][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.894795][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.894798][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 41.894800][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.894801][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 41.894804][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.894808][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.894810][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 41.894812][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.894814][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894815][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894816][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.894819][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.894821][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894822][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894823][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894824][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.894827][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 41.894828][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.894831][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.894833][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.894835][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.894837][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.894838][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894839][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.894841][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 41.894842][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 41.894844][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.894846][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.894847][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 41.894849][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.894850][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 41.894852][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.894854][ T12] ? kthread (kernel/kthread.c:436) [ 41.894856][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 41.894859][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 41.894862][ T12] _printk (kernel/printk/printk.c:2504) [ 41.894865][ T12] ? snapshot_read.cold (user.c:?) [ 41.894867][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.894870][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.894872][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.894875][ T12] ? netdev_notice (net/core/dev.c:13194) [ 41.894877][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894878][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 41.894879][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 41.894882][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 41.894884][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 41.894885][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 41.894887][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 41.894890][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 41.894893][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 41.894895][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 41.894898][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 41.894900][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 41.894902][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 41.894904][ T12] cleanup_net (net/core/net_namespace.c:706) [ 41.894906][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 41.894908][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.894910][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.894911][ T12] process_one_work (kernel/workqueue.c:3387) [ 41.894914][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.894916][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.894918][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.894921][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.894924][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.894926][ T12] kthread (kernel/kthread.c:436) [ 41.894927][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.894929][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.894931][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.894932][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.894934][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.894937][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.894939][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.126006][ T1084] softirqs last disabled at (0): 0x0 | [ 43.126008][ T1084] Preemption disabled at: | [ 43.126009][ T1084] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.126022][ T1084] Tainted: [W]=WARN [ 43.126023][ T1084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.126025][ T1084] Call Trace: [ 43.126027][ T1084] [ 43.126029][ T1084] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.126035][ T1084] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.126037][ T1084] __might_resched.cold (kernel/sched/core.c:9234) [ 43.126042][ T1084] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.126046][ T1084] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 43.126051][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126055][ T1084] __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)) [ 43.126058][ T1084] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.126061][ T1084] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.126068][ T1084] ? 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) [ 43.126070][ T1084] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.126074][ T1084] put_chars (drivers/char/virtio_console.c:1176) [ 43.126076][ T1084] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.126079][ T1084] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 43.126083][ T1084] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.126089][ T1084] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.126092][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126094][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.126098][ T1084] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.126102][ T1084] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.126105][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126107][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126108][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126110][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.126113][ T1084] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 43.126116][ T1084] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.126119][ T1084] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.126123][ T1084] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.126126][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.126128][ T1084] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.126131][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126133][ T1084] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.126135][ T1084] ? 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) [ 43.126137][ T1084] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 43.126140][ T1084] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.126143][ T1084] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.126145][ T1084] vprintk_emit (kernel/printk/printk.c:2479) [ 43.126148][ T1084] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.126150][ T1084] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.126154][ T1084] ? __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) [ 43.126158][ T1084] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.126160][ T1084] _printk (kernel/printk/printk.c:2504) [ 43.126164][ T1084] ? snapshot_read.cold (user.c:?) [ 43.126167][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126169][ T1084] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.126171][ T1084] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 43.126174][ T1084] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.126180][ T1084] br_init_port (net/bridge/br_stp_if.c:39) [ 43.126182][ T1084] new_nbp (net/bridge/br_if.c:449) [ 43.126186][ T1084] br_add_if (net/bridge/br_if.c:592) [ 43.126188][ T1084] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 43.126190][ T1084] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 43.126195][ T1084] do_set_master (net/core/rtnetlink.c:3071) [ 43.126200][ T1084] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 43.126203][ T1084] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.126207][ T1084] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.126209][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126211][ T1084] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 43.126215][ T1084] ? kasan_save_stack (mm/kasan/common.c:58) [ 43.126218][ T1084] ? kasan_save_stack (mm/kasan/common.c:57) [ 43.126220][ T1084] ? kasan_save_track (mm/kasan/common.c:78) [ 43.126221][ T1084] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 43.126223][ T1084] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 43.126225][ T1084] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 43.126227][ T1084] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.126229][ T1084] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.126233][ T1084] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.126235][ T1084] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.126237][ T1084] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 43.126241][ T1084] ? ____sys_sendmsg (net/socket.c:2713) [ 43.126243][ T1084] ? ___sys_sendmsg (net/socket.c:2767) [ 43.126245][ T1084] ? __sys_sendmsg (net/socket.c:2799) [ 43.126248][ T1084] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.126251][ T1084] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.126255][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126257][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.126259][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126261][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126262][ T1084] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.126265][ T1084] ? __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) [ 43.126266][ T1084] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.126268][ T1084] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.126271][ T1084] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.126273][ T1084] ? nla_get_range_signed (lib/nlattr.c:270) [ 43.126277][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126280][ T1084] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 43.126283][ T1084] rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.126286][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126288][ T1084] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.126290][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.126292][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126295][ T1084] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 43.126297][ T1084] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 43.126299][ T1084] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.126302][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126304][ T1084] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 43.126308][ T1084] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 43.126311][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126313][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.126315][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126317][ T1084] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.126319][ T1084] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.126322][ T1084] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.126324][ T1084] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 43.126326][ T1084] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 43.126330][ T1084] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.126332][ T1084] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.126335][ T1084] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.126337][ T1084] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.126340][ T1084] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 43.126344][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126346][ T1084] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.126349][ T1084] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.126352][ T1084] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.126355][ T1084] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.126358][ T1084] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.126361][ T1084] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.126364][ T1084] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.126366][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.126369][ T1084] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 43.126373][ T1084] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 43.126375][ T1084] ____sys_sendmsg (net/socket.c:2713) [ 43.126378][ T1084] ? copy_msghdr_from_user (net/socket.c:2650) [ 43.126380][ T1084] ? sock_write_iter (net/socket.c:1269) [ 43.126382][ T1084] ? move_addr_to_kernel (net/socket.c:258) [ 43.126384][ T1084] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 43.126388][ T1084] ___sys_sendmsg (net/socket.c:2767) [ 43.126391][ T1084] ? copy_msghdr_from_user (net/socket.c:2619) [ 43.126399][ T1084] __sys_sendmsg (net/socket.c:2799) [ 43.126402][ T1084] ? __sys_sendmsg_sock (net/socket.c:2780) [ 43.126406][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.126409][ T1084] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.126411][ T1084] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.126415][ T1084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.126417][ T1084] RIP: 0033:0x7fe6357e154e [ 43.126420][ T1084] 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 [ 43.126422][ T1084] RSP: 002b:00007fffd022e550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 43.126427][ T1084] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe6357e154e [ 43.126429][ T1084] RDX: 0000000000000000 RSI: 00007fffd022e600 RDI: 0000000000000005 [ 43.126430][ T1084] RBP: 00007fffd022e560 R08: 0000000000000000 R09: 0000000000000000 [ 43.126431][ T1084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91042b [ 43.126433][ T1084] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd022ecd0 | [ 49.102122][ T39] softirqs last disabled at (12681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 49.102125][ T39] Preemption disabled at: | [ 49.102125][ T39] 0x0 | [ 49.102135][ T39] Tainted: [W]=WARN [ 49.102136][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.102137][ T39] Workqueue: events_unbound linkwatch_event [ 49.102143][ T39] Call Trace: [ 49.102145][ T39] [ 49.102146][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.102152][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 49.102158][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.102161][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102164][ 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)) [ 49.102167][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.102170][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.102175][ 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) [ 49.102177][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.102179][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 49.102181][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.102182][ T39] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 49.102185][ T39] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 49.102187][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.102192][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.102194][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.102195][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102196][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102197][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.102200][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.102203][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.102205][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102206][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102206][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102207][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.102209][ T39] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 49.102211][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.102214][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.102216][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.102218][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.102220][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.102222][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102222][ T39] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 49.102224][ 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) [ 49.102225][ T39] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 49.102227][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.102229][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.102230][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 49.102232][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.102233][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.102234][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.102237][ T39] _printk (kernel/printk/printk.c:2504) [ 49.102241][ T39] ? snapshot_read.cold (user.c:?) [ 49.102242][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.102244][ T39] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 49.102248][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 49.102251][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 49.102253][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 49.102256][ T39] br_device_event (net/bridge/br.c:101) [ 49.102259][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 49.102260][ T39] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 49.102263][ T39] notifier_call_chain (kernel/notifier.c:85) [ 49.102267][ T39] netif_state_change (net/core/dev.c:1625) [ 49.102270][ T39] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 49.102273][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 49.102275][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 49.102277][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 49.102278][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 49.102280][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 49.102281][ T39] ? debug_object_active_state (lib/debugobjects.c:1122) [ 49.102285][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 49.102286][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 49.102288][ T39] process_one_work (kernel/workqueue.c:3387) [ 49.102292][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.102294][ T39] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.102296][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.102299][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.102302][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.102304][ T39] kthread (kernel/kthread.c:436) [ 49.102306][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.102307][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.102309][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.102312][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.102314][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.102317][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.102319][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.155259][ T36] softirqs last disabled at (18200): kernel_fpu_begin_mask (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:475 (discriminator 2)) | [ 50.155262][ T36] Preemption disabled at: | [ 50.155262][ T36] 0x0 | [ 50.155272][ T36] Tainted: [W]=WARN [ 50.155273][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.155275][ T36] Workqueue: events_unbound linkwatch_event [ 50.155281][ T36] Call Trace: [ 50.155283][ T36] [ 50.155284][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.155289][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 50.155293][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.155297][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155300][ 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)) [ 50.155303][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.155306][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.155312][ 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) [ 50.155313][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.155316][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 50.155318][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.155319][ T36] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 50.155322][ T36] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 50.155324][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.155329][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.155331][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.155333][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155334][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155335][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.155337][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.155340][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.155342][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155343][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155344][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155345][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.155347][ T36] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 50.155349][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.155351][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.155354][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.155356][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.155358][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.155359][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155360][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 50.155362][ 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) [ 50.155363][ T36] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 50.155365][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.155367][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.155369][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 50.155370][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.155372][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.155373][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.155376][ T36] _printk (kernel/printk/printk.c:2504) [ 50.155379][ T36] ? snapshot_read.cold (user.c:?) [ 50.155381][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.155383][ T36] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 50.155387][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 50.155391][ T36] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 50.155393][ T36] br_port_carrier_check (net/bridge/br_if.c:95) [ 50.155395][ T36] br_device_event (net/bridge/br.c:101) [ 50.155397][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 50.155399][ T36] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 50.155402][ T36] notifier_call_chain (kernel/notifier.c:85) [ 50.155406][ T36] netif_state_change (net/core/dev.c:1625) [ 50.155409][ T36] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 50.155412][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 50.155414][ T36] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 50.155416][ T36] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 50.155417][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 50.155419][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 50.155420][ T36] ? debug_object_active_state (lib/debugobjects.c:1122) [ 50.155424][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 50.155426][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 50.155427][ T36] process_one_work (kernel/workqueue.c:3387) [ 50.155432][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 50.155434][ T36] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.155436][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.155438][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.155441][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.155443][ T36] kthread (kernel/kthread.c:436) [ 50.155445][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.155446][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.155448][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 50.155450][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 50.155452][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 50.155455][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.155456][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 56.298150][ T12] softirqs last disabled at (94): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 56.298156][ T12] Preemption disabled at: | [ 56.298157][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 56.298167][ T12] Tainted: [W]=WARN [ 56.298168][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.298170][ T12] Workqueue: netns cleanup_net [ 56.298176][ T12] Call Trace: [ 56.298177][ T12] [ 56.298179][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.298185][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 56.298186][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 56.298189][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 56.298191][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.298195][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298197][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 56.298200][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.298203][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.298208][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 56.298210][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.298212][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 56.298214][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.298215][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.298218][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.298222][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.298224][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 56.298226][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.298227][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298228][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298230][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.298233][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.298235][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298235][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298236][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298237][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.298240][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.298242][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.298244][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.298246][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.298248][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.298250][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.298251][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298252][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.298254][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 56.298255][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.298257][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.298259][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.298260][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 56.298261][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.298262][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 56.298264][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.298267][ T12] ? kthread (kernel/kthread.c:436) [ 56.298269][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 56.298271][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 56.298274][ T12] _printk (kernel/printk/printk.c:2504) [ 56.298277][ T12] ? snapshot_read.cold (user.c:?) [ 56.298279][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 56.298282][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 56.298284][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 56.298286][ T12] ? netdev_notice (net/core/dev.c:13194) [ 56.298288][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298289][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 56.298291][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 56.298294][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 56.298295][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 56.298296][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 56.298299][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 56.298301][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 56.298305][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 56.298307][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 56.298309][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 56.298311][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 56.298313][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 56.298316][ T12] cleanup_net (net/core/net_namespace.c:706) [ 56.298317][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 56.298319][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.298321][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.298322][ T12] process_one_work (kernel/workqueue.c:3387) [ 56.298325][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 56.298327][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.298329][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.298331][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.298334][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.298336][ T12] kthread (kernel/kthread.c:436) [ 56.298338][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.298339][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.298341][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 56.298343][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 56.298345][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 56.298348][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.298350][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 57.455677][ T1359] softirqs last disabled at (0): 0x0 | [ 57.455679][ T1359] Preemption disabled at: | [ 57.455680][ T1359] vprintk_emit (kernel/printk/printk.c:2471) | [ 57.455690][ T1359] Tainted: [W]=WARN [ 57.455690][ T1359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.455692][ T1359] Call Trace: [ 57.455694][ T1359] [ 57.455695][ T1359] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.455700][ T1359] ? vprintk_emit (kernel/printk/printk.c:2471) [ 57.455702][ T1359] __might_resched.cold (kernel/sched/core.c:9234) [ 57.455706][ T1359] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.455709][ T1359] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 57.455712][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455715][ T1359] __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)) [ 57.455717][ T1359] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 57.455720][ T1359] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.455726][ T1359] ? 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) [ 57.455727][ T1359] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.455730][ T1359] put_chars (drivers/char/virtio_console.c:1176) [ 57.455732][ T1359] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.455733][ T1359] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 57.455736][ T1359] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.455741][ T1359] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.455743][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455744][ T1359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.455746][ T1359] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.455749][ T1359] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.455751][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455752][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455753][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455754][ T1359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.455756][ T1359] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 57.455758][ T1359] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.455760][ T1359] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.455763][ T1359] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.455765][ T1359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.455767][ T1359] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.455768][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455770][ T1359] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 57.455771][ T1359] ? 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) [ 57.455772][ T1359] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 57.455774][ T1359] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.455776][ T1359] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.455777][ T1359] vprintk_emit (kernel/printk/printk.c:2479) [ 57.455779][ T1359] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.455780][ T1359] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 57.455782][ T1359] ? __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) [ 57.455784][ T1359] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 57.455786][ T1359] _printk (kernel/printk/printk.c:2504) [ 57.455789][ T1359] ? snapshot_read.cold (user.c:?) [ 57.455791][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455792][ T1359] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 57.455793][ T1359] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 57.455795][ T1359] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 57.455799][ T1359] br_init_port (net/bridge/br_stp_if.c:39) [ 57.455801][ T1359] new_nbp (net/bridge/br_if.c:449) [ 57.455803][ T1359] br_add_if (net/bridge/br_if.c:592) [ 57.455805][ T1359] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 57.455806][ T1359] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 57.455810][ T1359] do_set_master (net/core/rtnetlink.c:3071) [ 57.455813][ T1359] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 57.455815][ T1359] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 57.455818][ T1359] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 57.455819][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455820][ T1359] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 57.455823][ T1359] ? kasan_save_stack (mm/kasan/common.c:58) [ 57.455825][ T1359] ? kasan_save_stack (mm/kasan/common.c:57) [ 57.455826][ T1359] ? kasan_save_track (mm/kasan/common.c:78) [ 57.455827][ T1359] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 57.455828][ T1359] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 57.455829][ T1359] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 57.455830][ T1359] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 57.455832][ T1359] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 57.455834][ T1359] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 57.455836][ T1359] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 57.455837][ T1359] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 57.455840][ T1359] ? ____sys_sendmsg (net/socket.c:2713) [ 57.455841][ T1359] ? ___sys_sendmsg (net/socket.c:2767) [ 57.455843][ T1359] ? __sys_sendmsg (net/socket.c:2799) [ 57.455844][ T1359] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 57.455847][ T1359] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 57.455849][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455850][ T1359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.455852][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455853][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455854][ T1359] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 57.455855][ T1359] ? __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) [ 57.455856][ T1359] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 57.455857][ T1359] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 57.455859][ T1359] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 57.455860][ T1359] ? nla_get_range_signed (lib/nlattr.c:270) [ 57.455863][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455865][ T1359] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 57.455867][ T1359] rtnl_newlink (net/core/rtnetlink.c:4215) [ 57.455869][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455870][ T1359] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.455871][ T1359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.455872][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455874][ T1359] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 57.455875][ T1359] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 57.455876][ T1359] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 57.455879][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455880][ T1359] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 57.455883][ T1359] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 57.455886][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455887][ T1359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.455888][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455889][ T1359] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.455891][ T1359] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 57.455892][ T1359] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 57.455894][ T1359] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 57.455895][ T1359] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 57.455898][ T1359] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 57.455899][ T1359] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 57.455901][ T1359] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 57.455902][ T1359] ? netlink_ack (./include/linux/skbuff.h:2718) [ 57.455904][ T1359] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 57.455907][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455908][ T1359] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 57.455910][ T1359] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 57.455912][ T1359] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 57.455914][ T1359] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 57.455916][ T1359] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 57.455918][ T1359] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 57.455919][ T1359] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 57.455921][ T1359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.455922][ T1359] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 57.455926][ T1359] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 57.455927][ T1359] ____sys_sendmsg (net/socket.c:2713) [ 57.455929][ T1359] ? copy_msghdr_from_user (net/socket.c:2650) [ 57.455931][ T1359] ? sock_write_iter (net/socket.c:1269) [ 57.455932][ T1359] ? move_addr_to_kernel (net/socket.c:258) [ 57.455933][ T1359] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 57.455936][ T1359] ___sys_sendmsg (net/socket.c:2767) [ 57.455938][ T1359] ? copy_msghdr_from_user (net/socket.c:2619) [ 57.455949][ T1359] __sys_sendmsg (net/socket.c:2799) [ 57.455951][ T1359] ? __sys_sendmsg_sock (net/socket.c:2780) [ 57.455954][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.455955][ T1359] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 57.455957][ T1359] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 57.455959][ T1359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 57.455961][ T1359] RIP: 0033:0x7fe006eb554e [ 57.455962][ T1359] 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 [ 57.455964][ T1359] RSP: 002b:00007ffd1092c8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 57.455968][ T1359] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe006eb554e [ 57.455969][ T1359] RDX: 0000000000000000 RSI: 00007ffd1092c980 RDI: 0000000000000005 [ 57.455970][ T1359] RBP: 00007ffd1092c8e0 R08: 0000000000000000 R09: 0000000000000000 [ 57.455971][ T1359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910439 [ 57.455972][ T1359] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1092d050 | [ 63.202249][ T46] softirqs last disabled at (433): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 63.202251][ T46] Preemption disabled at: | [ 63.202252][ T46] 0x0 | [ 63.202262][ T46] Tainted: [W]=WARN [ 63.202263][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.202265][ T46] Workqueue: events_unbound linkwatch_event [ 63.202270][ T46] Call Trace: [ 63.202272][ T46] [ 63.202273][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.202279][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 63.202283][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.202286][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202289][ 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)) [ 63.202292][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.202295][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.202300][ 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) [ 63.202301][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.202304][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 63.202306][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.202307][ T46] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 63.202310][ T46] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 63.202312][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.202317][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.202319][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.202320][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202321][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202322][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.202325][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.202328][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.202330][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202331][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202332][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202333][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.202335][ T46] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.202336][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.202339][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.202342][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.202344][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.202345][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.202347][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202348][ T46] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.202349][ 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) [ 63.202351][ T46] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 63.202352][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.202354][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.202356][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 63.202358][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.202359][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.202360][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.202363][ T46] _printk (kernel/printk/printk.c:2504) [ 63.202367][ T46] ? snapshot_read.cold (user.c:?) [ 63.202369][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.202371][ T46] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 63.202374][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 63.202378][ T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 63.202380][ T46] br_port_carrier_check (net/bridge/br_if.c:95) [ 63.202382][ T46] br_device_event (net/bridge/br.c:101) [ 63.202385][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 63.202387][ T46] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 63.202390][ T46] notifier_call_chain (kernel/notifier.c:85) [ 63.202393][ T46] netif_state_change (net/core/dev.c:1625) [ 63.202396][ T46] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 63.202399][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 63.202401][ T46] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 63.202403][ T46] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 63.202404][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 63.202406][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.202407][ T46] ? debug_object_active_state (lib/debugobjects.c:1122) [ 63.202411][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 63.202413][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 63.202414][ T46] process_one_work (kernel/workqueue.c:3387) [ 63.202418][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 63.202420][ T46] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.202422][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.202425][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.202428][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.202429][ T46] kthread (kernel/kthread.c:436) [ 63.202431][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.202433][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.202435][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 63.202438][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 63.202440][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 63.202443][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.202444][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 93.303039][ T12] softirqs last disabled at (94): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 93.303042][ T12] Preemption disabled at: | [ 93.303043][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 93.303057][ T12] Tainted: [W]=WARN [ 93.303058][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.303060][ T12] Workqueue: netns cleanup_net [ 93.303067][ T12] Call Trace: [ 93.303068][ T12] [ 93.303070][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 93.303077][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 93.303079][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 93.303083][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 93.303086][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.303091][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303095][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 93.303098][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.303102][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.303108][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 93.303111][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.303114][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 93.303117][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 93.303120][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 93.303124][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 93.303130][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 93.303132][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 93.303136][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.303138][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303140][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303143][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 93.303147][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 93.303155][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303156][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303158][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303160][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.303163][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 93.303166][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 93.303169][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 93.303174][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 93.303176][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.303179][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 93.303181][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303183][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.303186][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 93.303188][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 93.303190][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 93.303193][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 93.303196][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 93.303198][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 93.303200][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 93.303202][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.303206][ T12] ? kthread (kernel/kthread.c:436) [ 93.303209][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 93.303213][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 93.303217][ T12] _printk (kernel/printk/printk.c:2504) [ 93.303221][ T12] ? snapshot_read.cold (user.c:?) [ 93.303224][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 93.303228][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 93.303231][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 93.303234][ T12] ? netdev_notice (net/core/dev.c:13194) [ 93.303237][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303239][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 93.303242][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 93.303245][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 93.303248][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 93.303250][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 93.303254][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 93.303257][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 93.303262][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 93.303265][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 93.303269][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 93.303272][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 93.303275][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 93.303279][ T12] cleanup_net (net/core/net_namespace.c:706) [ 93.303282][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 93.303285][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.303288][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.303290][ T12] process_one_work (kernel/workqueue.c:3387) [ 93.303295][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 93.303298][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 93.303301][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.303305][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.303309][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 93.303312][ T12] kthread (kernel/kthread.c:436) [ 93.303314][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.303317][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 93.303320][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 93.303322][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 93.303326][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 93.303329][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: kernel_fpu_begin_mask:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_verify_rtnl:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record