====================================== | [ 9.685718][ T229] softirqs last disabled at (0): 0x0 | [ 9.685720][ T229] Preemption disabled at: | [ 9.685721][ T229] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.685732][ T229] Tainted: [W]=WARN [ 9.685733][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.685735][ T229] Call Trace: [ 9.685736][ T229] [ 9.685737][ T229] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.685742][ T229] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.685744][ T229] __might_resched.cold (kernel/sched/core.c:9234) [ 9.685748][ T229] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 9.685749][ T229] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.685753][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685756][ T229] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.685760][ T229] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.685762][ T229] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.685766][ T229] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.685767][ T229] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.685769][ T229] put_chars (drivers/char/virtio_console.c:1176) [ 9.685771][ T229] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.685773][ T229] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 9.685775][ T229] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.685779][ T229] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.685780][ T229] ? vsnprintf (lib/vsprintf.c:2900) [ 9.685783][ T229] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.685785][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685786][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685789][ T229] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.685791][ T229] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.685793][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685794][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685796][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685798][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.685800][ T229] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.685801][ T229] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.685804][ T229] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.685806][ T229] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.685808][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.685809][ T229] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.685811][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685812][ T229] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.685814][ T229] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.685815][ T229] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 9.685817][ T229] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.685819][ T229] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.685821][ T229] vprintk_emit (kernel/printk/printk.c:2479) [ 9.685824][ T229] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.685827][ T229] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 9.685831][ T229] _printk (kernel/printk/printk.c:2504) [ 9.685834][ T229] ? snapshot_read.cold (user.c:?) [ 9.685837][ T229] ? 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) [ 9.685839][ T229] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 9.685841][ T229] do_one_initcall (init/main.c:1357) [ 9.685843][ T229] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.685845][ T229] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.685848][ T229] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.685851][ T229] do_init_module (kernel/module/main.c:3117) [ 9.685853][ T229] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.685855][ T229] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.685857][ T229] load_module (kernel/module/main.c:3593) [ 9.685861][ T229] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.685863][ T229] ? __ia32_sys_fsconfig (??:?) [ 9.685865][ T229] ? ovl_real_file (fs/overlayfs/file.c:195) [ 9.685869][ T229] ? backing_file_read_iter (fs/backing-file.c:211) [ 9.685872][ T229] init_module_from_file (kernel/module/main.c:3790) [ 9.685874][ T229] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.685876][ T229] ? ovl_mmap (fs/overlayfs/file.c:477) [ 9.685878][ T229] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.685880][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685882][ T229] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.685883][ T229] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.685885][ T229] idempotent_init_module (kernel/module/main.c:3802) [ 9.685887][ T229] ? init_module_from_file (kernel/module/main.c:3791) [ 9.685890][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.685892][ T229] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.685896][ T229] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.685898][ T229] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.685900][ T229] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.685902][ T229] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.685904][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.685906][ T229] RIP: 0033:0x7f4d6b37537d [ 9.685908][ T229] 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 [ 9.685910][ T229] RSP: 002b:00007ffe65a978e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.685914][ T229] RAX: ffffffffffffffda RBX: 00005647e8b9c810 RCX: 00007f4d6b37537d [ 9.685915][ T229] RDX: 0000000000000000 RSI: 00005647c9ac2ffd RDI: 0000000000000000 [ 9.685916][ T229] RBP: 00007ffe65a97980 R08: 0000000000000000 R09: 0000000000000000 [ 9.685917][ T229] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647c9ac2ffd [ 9.685918][ T229] R13: 00005647e8b9c960 R14: 0000000000040000 R15: 0000000000000000 | [ 11.373733][ T327] softirqs last disabled at (0): 0x0 | [ 11.373735][ T327] Preemption disabled at: | [ 11.373736][ T327] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.373747][ T327] Tainted: [W]=WARN [ 11.373748][ T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.373750][ T327] Call Trace: [ 11.373751][ T327] [ 11.373752][ T327] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.373758][ T327] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.373760][ T327] __might_resched.cold (kernel/sched/core.c:9234) [ 11.373763][ T327] ? __module_address (kernel/module/main.c:3915) [ 11.373766][ T327] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.373769][ T327] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 11.373771][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373774][ T327] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.373778][ T327] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.373781][ T327] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.373784][ T327] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.373786][ T327] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.373788][ T327] put_chars (drivers/char/virtio_console.c:1176) [ 11.373789][ T327] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 11.373791][ T327] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.373792][ T327] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.373795][ T327] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.373798][ T327] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.373800][ T327] ? 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) [ 11.373801][ T327] ? vsnprintf (lib/vsprintf.c:2900) [ 11.373805][ T327] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.373806][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373808][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.373810][ T327] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.373812][ T327] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.373814][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373816][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373818][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373819][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.373821][ T327] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 11.373823][ T327] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.373825][ T327] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.373828][ T327] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.373830][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.373831][ T327] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.373833][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373834][ T327] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.373836][ T327] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.373837][ T327] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 11.373839][ T327] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.373841][ T327] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.373843][ T327] vprintk_emit (kernel/printk/printk.c:2479) [ 11.373846][ T327] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.373848][ T327] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.373849][ T327] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.373851][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.373852][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373855][ T327] _printk (kernel/printk/printk.c:2504) [ 11.373858][ T327] ? snapshot_read.cold (user.c:?) [ 11.373860][ T327] ? br_multicast_flood (??:?) bridge [ 11.373872][ T327] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.373875][ T327] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.373876][ T327] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.373878][ T327] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.373887][ T327] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.373894][ T327] new_nbp (net/bridge/br_if.c:449) bridge [ 11.373901][ T327] br_add_if (net/bridge/br_if.c:592) bridge [ 11.373908][ T327] ? bpf_address_lookup (kernel/bpf/core.c:730) [ 11.373911][ T327] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.373913][ T327] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.373915][ T327] ? __kernel_text_address (kernel/extable.c:79) [ 11.373917][ T327] do_set_master (net/core/rtnetlink.c:3071) [ 11.373920][ T327] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.373922][ T327] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.373924][ T327] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.373925][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373926][ T327] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 11.373930][ T327] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.373933][ T327] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.373934][ T327] ? kasan_save_track (mm/kasan/common.c:78) [ 11.373936][ T327] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.373937][ T327] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 11.373939][ T327] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 11.373940][ T327] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.373941][ T327] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.373944][ T327] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.373945][ T327] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.373946][ T327] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.373949][ T327] ? ___sys_sendmsg (net/socket.c:2767) [ 11.373951][ T327] ? __sys_sendmsg (net/socket.c:2799) [ 11.373952][ T327] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.373954][ T327] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.373956][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373958][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.373960][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373961][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373963][ T327] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.373966][ T327] ? __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) [ 11.373968][ T327] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.373970][ T327] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.373971][ T327] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.373972][ T327] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.373975][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.373977][ T327] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.373979][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373981][ T327] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.373982][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.373983][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373985][ T327] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 11.373987][ T327] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.373988][ T327] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.373990][ T327] ? __kernel_text_address (kernel/extable.c:79) [ 11.373991][ T327] ? write_profile (profile.c:?) [ 11.373992][ T327] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 11.373995][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373996][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.373998][ T327] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.374001][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.374003][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374005][ T327] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.374006][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.374008][ T327] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.374009][ T327] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.374010][ T327] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 11.374013][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.374014][ T327] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.374015][ T327] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.374017][ T327] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.374018][ T327] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 11.374021][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374023][ T327] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.374024][ T327] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.374026][ T327] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.374028][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374030][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374031][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.374033][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.374035][ T327] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.374037][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374039][ T327] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.374041][ T327] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.374042][ T327] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.374044][ T327] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.374045][ T327] ? move_addr_to_kernel (net/socket.c:258) [ 11.374047][ T327] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.374049][ T327] ___sys_sendmsg (net/socket.c:2767) [ 11.374051][ T327] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.374056][ T327] __sys_sendmsg (net/socket.c:2799) [ 11.374058][ T327] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.374060][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374063][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.374064][ T327] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.374066][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.374068][ T327] RIP: 0033:0x7f2bd7e3554e [ 11.374070][ T327] 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 [ 11.374072][ T327] RSP: 002b:00007ffc45389070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.374075][ T327] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2bd7e3554e [ 11.374077][ T327] RDX: 0000000000000000 RSI: 00007ffc45389120 RDI: 0000000000000005 [ 11.374078][ T327] RBP: 00007ffc45389080 R08: 0000000000000000 R09: 0000000000000000 [ 11.374079][ T327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910f3c [ 11.374080][ T327] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc453897e0 | [ 12.496345][ T38] softirqs last disabled at (0): 0x0 | [ 12.496349][ T38] Preemption disabled at: | [ 12.496349][ T38] 0x0 | [ 12.496363][ T38] Tainted: [W]=WARN [ 12.496363][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.496365][ T38] Workqueue: events_unbound linkwatch_event [ 12.496372][ T38] Call Trace: [ 12.496373][ T38] [ 12.496375][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.496381][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 12.496384][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.496388][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.496392][ 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)) [ 12.496396][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.496399][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.496403][ 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) [ 12.496404][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.496406][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 12.496408][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.496410][ T38] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.496413][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.496417][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.496419][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.496421][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.496423][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.496425][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.496427][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.496429][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.496431][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.496433][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.496434][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.496436][ T38] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 12.496438][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.496440][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.496443][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.496445][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.496446][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.496448][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.496450][ T38] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 12.496451][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.496453][ T38] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 12.496455][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.496457][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.496459][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 12.496461][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.496463][ T38] ? 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) [ 12.496466][ T38] _printk (kernel/printk/printk.c:2504) [ 12.496469][ T38] ? snapshot_read.cold (user.c:?) [ 12.496471][ T38] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 12.496473][ T38] ? port_cost (net/bridge/br_if.c:40) bridge [ 12.496486][ T38] ? br_multicast_flood (??:?) bridge [ 12.496494][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.496503][ T38] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.496510][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 12.496517][ T38] br_port_carrier_check (net/bridge/br_if.c:90) bridge [ 12.496524][ T38] br_device_event (net/bridge/br.c:101) bridge [ 12.496532][ T38] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 12.496534][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 12.496537][ T38] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 12.496541][ T38] notifier_call_chain (kernel/notifier.c:85) [ 12.496544][ T38] netif_state_change (net/core/dev.c:1625) [ 12.496547][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.496550][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 12.496551][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 12.496553][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.496555][ T38] ? debug_object_active_state (lib/debugobjects.c:1122) [ 12.496559][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 12.496560][ T38] ? __linkwatch_run_queue (./include/linux/list.h:577) [ 12.496562][ T38] process_one_work (kernel/workqueue.c:3387) [ 12.496566][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.496568][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.496571][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.496573][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.496576][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.496578][ T38] kthread (kernel/kthread.c:436) [ 12.496579][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.496581][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.496583][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.496585][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.496587][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.496590][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.496592][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.338680][ T12] softirqs last disabled at (82): 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)) | [ 21.338682][ T12] Preemption disabled at: | [ 21.338683][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.338695][ T12] Tainted: [W]=WARN [ 21.338696][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.338697][ T12] Workqueue: netns cleanup_net [ 21.338703][ T12] Call Trace: [ 21.338705][ T12] [ 21.338706][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.338712][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.338714][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 21.338717][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.338721][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338724][ 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)) [ 21.338728][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.338730][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.338734][ 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) [ 21.338735][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.338737][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 21.338739][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 21.338741][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.338742][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 21.338745][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.338748][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.338749][ T12] ? 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) [ 21.338751][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.338752][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338754][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338756][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.338758][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.338760][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.338762][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338764][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338765][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338767][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.338769][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.338771][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.338773][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.338776][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.338777][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.338779][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.338781][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338782][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.338783][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.338785][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 21.338787][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.338789][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.338791][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 21.338793][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.338795][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 21.338798][ T12] ? kthread (kernel/kthread.c:436) [ 21.338800][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 21.338802][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 21.338805][ T12] _printk (kernel/printk/printk.c:2504) [ 21.338808][ T12] ? snapshot_read.cold (user.c:?) [ 21.338810][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.338813][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.338814][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.338816][ T12] ? netdev_notice (net/core/dev.c:13194) [ 21.338818][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338820][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 21.338821][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 21.338824][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 21.338825][ 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) [ 21.338828][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 21.338831][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 21.338833][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 21.338847][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 21.338856][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 21.338863][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 21.338866][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 21.338868][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 21.338871][ T12] cleanup_net (net/core/net_namespace.c:706) [ 21.338873][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 21.338875][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.338876][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.338878][ T12] process_one_work (kernel/workqueue.c:3387) [ 21.338881][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.338884][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.338886][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.338889][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.338891][ T12] kthread (kernel/kthread.c:436) [ 21.338892][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.338893][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.338895][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.338897][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.338899][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.338901][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: 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 addrconf_verify_rtnl:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars