====================================== | [ 10.148686][ T211] softirqs last disabled at (0): 0x0 | [ 10.148688][ T211] Preemption disabled at: | [ 10.148689][ T211] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.148701][ T211] Tainted: [W]=WARN [ 10.148703][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.148705][ T211] Call Trace: [ 10.148707][ T211] [ 10.148708][ T211] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.148714][ T211] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.148716][ T211] __might_resched.cold (kernel/sched/core.c:9234) [ 10.148721][ T211] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.148726][ T211] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 10.148730][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148733][ T211] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.148736][ T211] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.148740][ T211] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.148746][ T211] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.148748][ T211] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.148752][ T211] put_chars (drivers/char/virtio_console.c:1176) [ 10.148754][ T211] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.148757][ T211] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 10.148761][ T211] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.148768][ T211] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.148770][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148772][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.148776][ T211] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.148780][ T211] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.148783][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148785][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148786][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148788][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.148791][ T211] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.148794][ T211] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.148798][ T211] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.148802][ T211] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.148804][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.148807][ T211] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.148809][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148811][ T211] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.148813][ T211] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.148816][ T211] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 10.148818][ T211] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.148821][ T211] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.148823][ T211] vprintk_emit (kernel/printk/printk.c:2479) [ 10.148826][ T211] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.148828][ T211] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.148830][ T211] ? __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) [ 10.148834][ T211] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.148837][ T211] _printk (kernel/printk/printk.c:2504) [ 10.148841][ T211] ? snapshot_read.cold (user.c:?) [ 10.148843][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148845][ T211] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.148848][ T211] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.148851][ T211] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.148857][ T211] br_init_port (net/bridge/br_stp_if.c:39) [ 10.148859][ T211] new_nbp (net/bridge/br_if.c:449) [ 10.148863][ T211] br_add_if (net/bridge/br_if.c:592) [ 10.148865][ T211] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.148867][ T211] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.148872][ T211] do_set_master (net/core/rtnetlink.c:3071) [ 10.148877][ T211] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.148879][ T211] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.148883][ T211] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.148885][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148887][ T211] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.148892][ T211] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.148895][ T211] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.148897][ T211] ? kasan_save_track (mm/kasan/common.c:78) [ 10.148898][ T211] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.148900][ T211] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 10.148902][ T211] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 10.148904][ T211] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.148906][ T211] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.148910][ T211] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.148912][ T211] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.148914][ T211] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.148918][ T211] ? ____sys_sendmsg (net/socket.c:2713) [ 10.148920][ T211] ? ___sys_sendmsg (net/socket.c:2767) [ 10.148922][ T211] ? __sys_sendmsg (net/socket.c:2799) [ 10.148929][ T211] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.148932][ T211] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.148936][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148938][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.148941][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148942][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148944][ T211] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.148946][ T211] ? __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) [ 10.148948][ T211] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.148950][ T211] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.148952][ T211] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.148954][ T211] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.148958][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148960][ T211] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.148964][ T211] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.148967][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148969][ T211] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.148971][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.148973][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148976][ T211] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 10.148978][ T211] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.148980][ T211] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.148984][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148985][ T211] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.148989][ T211] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 10.148993][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148995][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.148997][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.148999][ T211] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.149001][ T211] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.149004][ T211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.149006][ T211] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.149009][ T211] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.149013][ T211] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.149015][ T211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.149018][ T211] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.149020][ T211] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.149023][ T211] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 10.149027][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.149029][ T211] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.149033][ T211] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.149036][ T211] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.149038][ T211] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.149042][ T211] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.149045][ T211] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.149047][ T211] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.149050][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.149052][ T211] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.149057][ T211] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.149060][ T211] ____sys_sendmsg (net/socket.c:2713) [ 10.149062][ T211] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.149065][ T211] ? sock_write_iter (net/socket.c:1269) [ 10.149067][ T211] ? move_addr_to_kernel (net/socket.c:258) [ 10.149069][ T211] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.149073][ T211] ___sys_sendmsg (net/socket.c:2767) [ 10.149076][ T211] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.149084][ T211] __sys_sendmsg (net/socket.c:2799) [ 10.149087][ T211] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.149092][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.149094][ T211] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.149097][ T211] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.149099][ T211] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.149102][ T211] RIP: 0033:0x7f8e903bb54e [ 10.149105][ T211] 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 [ 10.149107][ T211] RSP: 002b:00007ffcec7c5960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.149111][ T211] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8e903bb54e [ 10.149113][ T211] RDX: 0000000000000000 RSI: 00007ffcec7c5a10 RDI: 0000000000000005 [ 10.149115][ T211] RBP: 00007ffcec7c5970 R08: 0000000000000000 R09: 0000000000000000 [ 10.149116][ T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e52b [ 10.149118][ T211] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcec7c60e0 | [ 12.031955][ T68] softirqs last disabled at (0): 0x0 | [ 12.031958][ T68] Preemption disabled at: | [ 12.031959][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.031972][ T68] Tainted: [W]=WARN [ 12.031973][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.031976][ T68] Workqueue: netns cleanup_net [ 12.031983][ T68] Call Trace: [ 12.031985][ T68] [ 12.031987][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.031994][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.031996][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 12.032001][ T68] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 12.032004][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.032008][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032011][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.032015][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.032018][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.032024][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.032026][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.032030][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 12.032032][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.032035][ T68] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 12.032039][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.032045][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.032047][ T68] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 12.032050][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.032053][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032054][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032057][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.032061][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.032064][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032065][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032067][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032069][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.032072][ T68] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 12.032075][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.032078][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.032082][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.032085][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.032087][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.032089][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032091][ T68] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 12.032093][ T68] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.032096][ T68] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 12.032098][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.032100][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.032103][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 12.032105][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.032107][ T68] ? cleanup_net (net/core/net_namespace.c:706) [ 12.032110][ T68] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.032113][ T68] ? kthread (kernel/kthread.c:436) [ 12.032116][ T68] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 12.032119][ T68] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 12.032123][ T68] _printk (kernel/printk/printk.c:2504) [ 12.032127][ T68] ? snapshot_read.cold (user.c:?) [ 12.032129][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.032131][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032133][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032135][ T68] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.032137][ T68] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.032141][ T68] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.032144][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.032147][ T68] ? netdev_notice (net/core/dev.c:13194) [ 12.032151][ T68] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 12.032153][ T68] ? trace_contention_end (./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/lock.h:121) [ 12.032155][ T68] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.032159][ T68] dev_set_allmulti (net/core/dev_api.c:315) [ 12.032163][ T68] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 12.032167][ T68] ? unregister_netdevice_many (net/core/dev.c:12589) [ 12.032169][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032171][ T68] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 12.032173][ T68] br_dev_delete (net/bridge/br_if.c:387) [ 12.032176][ T68] br_net_exit_rtnl (net/bridge/br.c:414) [ 12.032180][ T68] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.032183][ T68] ? netns_install (./include/linux/ns_common.h:26) [ 12.032185][ T68] ? idr_alloc (lib/idr.c:94) [ 12.032189][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032191][ T68] cleanup_net (net/core/net_namespace.c:706) [ 12.032194][ T68] ? net_passive_dec (./include/linux/llist.h:241) [ 12.032197][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.032199][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.032202][ T68] process_one_work (kernel/workqueue.c:3387) [ 12.032206][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.032209][ T68] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.032212][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.032216][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.032219][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.032221][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.032224][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.032227][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.032229][ T68] kthread (kernel/kthread.c:436) [ 12.032232][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.032235][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.032238][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.032241][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.032244][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.032248][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print