====================================== | [ 10.381437][ T187] softirqs last disabled at (34098): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.381440][ T187] Preemption disabled at: | [ 10.381441][ T187] 0x0 | [ 10.381454][ T187] Tainted: [W]=WARN [ 10.381455][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.381458][ T187] Call Trace: [ 10.381460][ T187] [ 10.381462][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.381470][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.381476][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.381482][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.381489][ T187] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.381493][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.381501][ T187] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.381505][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.381510][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.381514][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.381516][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.381523][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.381532][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.381542][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.381546][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.381549][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.381556][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.381563][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.381565][ T187] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.381570][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.381574][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.381581][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.381588][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.381590][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.381599][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.381604][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.381606][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.381610][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.381616][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.381619][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.381624][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.381630][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.381636][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.381642][ T187] _printk (kernel/printk/printk.c:2504) [ 10.381647][ T187] ? snapshot_read.cold (user.c:?) [ 10.381651][ T187] ? 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) [ 10.381655][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.381662][ T187] ? 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) [ 10.381666][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.381672][ T187] ? exit_notify (kernel/exit.c:780) [ 10.381674][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.381679][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.381685][ T187] do_group_exit (kernel/exit.c:1151) [ 10.381690][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.381693][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.381696][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.381700][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.381704][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.381708][ T187] RIP: 0033:0x7f99717e51b8 [ 10.381711][ T187] Code: Unable to access opcode bytes at 0x7f99717e518e. Code starting with the faulting instruction =========================================== [ 10.381712][ T187] RSP: 002b:00007ffc7dda6448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.381715][ T187] RAX: ffffffffffffffda RBX: 00007f9971915f88 RCX: 00007f99717e51b8 [ 10.381717][ T187] RDX: 00007f997152ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.381718][ T187] RBP: 00007ffc7dda64a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.381720][ T187] R10: 00007ffc7dda6260 R11: 0000000000000246 R12: 0000000000000001 [ 10.381721][ T187] R13: 0000000000000000 R14: 00007f9971914680 R15: 00007f9971915fa0 | [ 12.489727][ T267] softirqs last disabled at (12830): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.489731][ T267] Preemption disabled at: | [ 12.489732][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.489744][ T267] Tainted: [W]=WARN [ 12.489745][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.489748][ T267] Call Trace: [ 12.489750][ T267] [ 12.489752][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.489758][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.489761][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 12.489765][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.489770][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.489775][ T267] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.489777][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.489783][ T267] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.489786][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.489789][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 12.489792][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.489797][ T267] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.489800][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.489803][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.489805][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.489807][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.489811][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.489813][ T267] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.489816][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.489820][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.489824][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.489828][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.489830][ T267] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.489833][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.489836][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.489840][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.489844][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.489846][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.489851][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.489854][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.489856][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.489858][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.489862][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.489864][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.489867][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 12.489871][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.489874][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.489876][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.489880][ T267] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.489884][ T267] _printk (kernel/printk/printk.c:2504) [ 12.489887][ T267] ? snapshot_read.cold (user.c:?) [ 12.489891][ T267] ? br_multicast_flood (??:?) bridge [ 12.489904][ T267] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.489905][ T267] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.489907][ T267] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.489911][ T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.489921][ T267] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.489930][ T267] new_nbp (net/bridge/br_if.c:449) bridge [ 12.489939][ T267] br_add_if (net/bridge/br_if.c:592) bridge [ 12.489946][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.489950][ T267] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.489953][ T267] ? __kernel_text_address (kernel/extable.c:79) [ 12.489957][ T267] do_set_master (net/core/rtnetlink.c:3071) [ 12.489962][ T267] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.489965][ T267] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.489968][ T267] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.489969][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.489972][ T267] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.489976][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.489978][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.489980][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.489983][ T267] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.489986][ T267] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.489988][ T267] ? kasan_save_track (mm/kasan/common.c:78) [ 12.489991][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.489992][ T267] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.489996][ T267] ? ___sys_sendmsg (net/socket.c:2757) [ 12.490000][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.490002][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.490005][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.490007][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.490009][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.490011][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.490013][ T267] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.490017][ T267] ? __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) [ 12.490018][ T267] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.490021][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.490024][ T267] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.490026][ T267] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.490031][ T267] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.490036][ T267] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.490041][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.490043][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.490048][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.490050][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.490052][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.490054][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.490058][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.490060][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.490063][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.490064][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.490069][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.490071][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.490074][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.490076][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.490079][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.490086][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.490087][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.490091][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.490095][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.490098][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.490102][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.490106][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.490110][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.490115][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.490118][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.490120][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.490122][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 12.490129][ T267] ___sys_sendmsg (net/socket.c:2767) [ 12.490132][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.490148][ T267] __sys_sendmsg (net/socket.c:2799) [ 12.490151][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.490158][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.490161][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.490164][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.490167][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.490169][ T267] RIP: 0033:0x7f5b7c61f54e [ 12.490172][ T267] 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 [ 12.490174][ T267] RSP: 002b:00007ffc2decceb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.490177][ T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5b7c61f54e [ 12.490179][ T267] RDX: 0000000000000000 RSI: 00007ffc2deccf60 RDI: 0000000000000005 [ 12.490179][ T267] RBP: 00007ffc2deccec0 R08: 0000000000000000 R09: 0000000000000000 [ 12.490180][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e570 [ 12.490181][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2decd620 | [ 15.653993][ T370] softirqs last disabled at (18306): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.653996][ T370] Preemption disabled at: | [ 15.653997][ T370] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.654009][ T370] Tainted: [W]=WARN [ 15.654011][ T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.654013][ T370] Call Trace: [ 15.654015][ T370] [ 15.654017][ T370] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.654024][ T370] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.654028][ T370] __might_resched.cold (kernel/sched/core.c:9234) [ 15.654034][ T370] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.654039][ T370] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.654047][ T370] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.654050][ T370] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.654058][ T370] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.654061][ T370] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.654066][ T370] put_chars (drivers/char/virtio_console.c:1176) [ 15.654069][ T370] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.654072][ T370] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.654077][ T370] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.654083][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.654087][ T370] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.654093][ T370] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.654097][ T370] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.654100][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.654102][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.654108][ T370] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.654111][ T370] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.654117][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.654120][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.654127][ T370] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.654133][ T370] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.654136][ T370] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.654141][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.654144][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.654151][ T370] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.654158][ T370] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.654161][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.654169][ T370] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.654173][ T370] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.654176][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.654179][ T370] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.654185][ T370] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.654187][ T370] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.654192][ T370] vprintk_emit (kernel/printk/printk.c:2479) [ 15.654200][ T370] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.654203][ T370] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.654208][ T370] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.654214][ T370] _printk (kernel/printk/printk.c:2504) [ 15.654219][ T370] ? snapshot_read.cold (user.c:?) [ 15.654225][ T370] ? br_multicast_flood (??:?) bridge [ 15.654243][ T370] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.654245][ T370] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.654247][ T370] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.654255][ T370] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.654272][ T370] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.654287][ T370] new_nbp (net/bridge/br_if.c:449) bridge [ 15.654302][ T370] br_add_if (net/bridge/br_if.c:592) bridge [ 15.654315][ T370] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.654320][ T370] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.654325][ T370] ? __kernel_text_address (kernel/extable.c:79) [ 15.654331][ T370] do_set_master (net/core/rtnetlink.c:3071) [ 15.654338][ T370] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.654343][ T370] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.654347][ T370] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.654349][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.654352][ T370] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.654356][ T370] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.654360][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.654363][ T370] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.654367][ T370] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.654371][ T370] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.654373][ T370] ? kasan_save_track (mm/kasan/common.c:78) [ 15.654384][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.654387][ T370] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.654391][ T370] ? ___sys_sendmsg (net/socket.c:2757) [ 15.654398][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.654401][ T370] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.654405][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.654409][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.654411][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.654414][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.654417][ T370] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.654422][ T370] ? __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) [ 15.654428][ T370] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.654431][ T370] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.654437][ T370] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.654439][ T370] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.654447][ T370] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.654456][ T370] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.654465][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.654468][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.654476][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.654479][ T370] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.654482][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.654485][ T370] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.654491][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.654495][ T370] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.654500][ T370] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.654502][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.654510][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.654513][ T370] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.654519][ T370] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.654522][ T370] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.654527][ T370] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.654538][ T370] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 15.654540][ T370] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 15.654547][ T370] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.654553][ T370] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.654557][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.654565][ T370] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.654571][ T370] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.654578][ T370] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.654586][ T370] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.654590][ T370] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.654594][ T370] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.654596][ T370] ? move_addr_to_kernel (net/socket.c:258) [ 15.654608][ T370] ___sys_sendmsg (net/socket.c:2767) [ 15.654613][ T370] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.654642][ T370] __sys_sendmsg (net/socket.c:2799) [ 15.654647][ T370] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.654658][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.654664][ T370] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.654667][ T370] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.654672][ T370] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.654675][ T370] RIP: 0033:0x7f04a2b4f54e [ 15.654680][ T370] 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 [ 15.654682][ T370] RSP: 002b:00007ffc0739d1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.654686][ T370] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f04a2b4f54e [ 15.654688][ T370] RDX: 0000000000000000 RSI: 00007ffc0739d270 RDI: 0000000000000005 [ 15.654689][ T370] RBP: 00007ffc0739d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 15.654690][ T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e574 [ 15.654692][ T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0739d930 | [ 16.660288][ C1] | [ 16.660288][ C1] | [ 16.660288][ C1] stack backtrace: | [ 16.660294][ C1] Tainted: [W]=WARN [ 16.660295][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.660297][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 16.660300][ C1] Call Trace: [ 16.660301][ C1] [ 16.660303][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.660306][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.660309][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.660311][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 16.660313][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 16.660315][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.660317][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660318][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.660320][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660324][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660326][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.660327][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.660329][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.660331][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.660332][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.660334][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660336][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660338][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.660340][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.660342][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660344][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.660345][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.660347][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660349][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.660351][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.660352][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.660354][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 16.660356][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.660358][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660360][ C1] _printk (kernel/printk/printk.c:2504) [ 16.660362][ C1] ? snapshot_read.cold (user.c:?) [ 16.660363][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.660367][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.660373][ C1] ? idr_get_free (??:?) [ 16.660375][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.660385][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.660387][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.660394][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.660400][ C1] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 16.660409][ C1] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 16.660415][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.660427][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660429][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.660435][ C1] ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan [ 16.660440][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.660442][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660444][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.660450][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.660457][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.660459][ C1] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.660462][ C1] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.660466][ C1] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.660467][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 16.660469][ C1] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.660471][ C1] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.660473][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660474][ C1] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.660476][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660478][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660479][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.660482][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.660484][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660485][ C1] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.660487][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660489][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.660491][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.660492][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.660494][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.660496][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.660498][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660499][ C1] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.660501][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660503][ C1] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.660504][ C1] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.660507][ C1] gro_cell_poll (net/core/gro_cells.c:76) [ 16.660509][ C1] __napi_poll (net/core/dev.c:7787) [ 16.660511][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.660514][ C1] ? __napi_poll (./include/net/gro.h:507) [ 16.660515][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.660518][ C1] ? 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) [ 16.660520][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.660521][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660523][ C1] handle_softirqs (kernel/softirq.c:645) [ 16.660525][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.660526][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.660528][ C1] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 16.660530][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.660532][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.660533][ C1] [ 16.660534][ C1] [ 16.660534][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.660536][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.660537][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660539][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.660542][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.660544][ C1] ? vlan_dev_hard_header (./include/linux/netdevice.h:3537 net/8021q/vlan_dev.c:84) 8021q [ 16.660546][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660548][ C1] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 16.660551][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 16.660553][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.660554][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660555][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660557][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 16.660559][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.660561][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.660563][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.660564][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660565][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660567][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660568][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.660570][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 16.660572][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.660575][ C1] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 16.660577][ C1] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 16.660579][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660581][ C1] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 16.660582][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660583][ C1] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 16.660584][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.660586][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660587][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.660589][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 16.660591][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 16.660593][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660595][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660597][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660598][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660600][ C1] process_one_work (kernel/workqueue.c:3387) [ 16.660603][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.660604][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660607][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.660610][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.660611][ C1] kthread (kernel/kthread.c:436) [ 16.660613][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.660614][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.660616][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.660617][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.660619][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.660622][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.660623][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.660641][ C1] softirqs last disabled at (20737): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 16.660643][ C1] Preemption disabled at: | [ 16.660643][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 16.660648][ C1] Tainted: [W]=WARN [ 16.660648][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.660649][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 16.660651][ C1] Call Trace: [ 16.660651][ C1] [ 16.660652][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.660654][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 16.660656][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 16.660658][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.660661][ C1] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 16.660663][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660665][ C1] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.660667][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.660668][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.660670][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.660672][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.660674][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 16.660675][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.660677][ C1] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.660679][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.660681][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.660683][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660684][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660686][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.660688][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.660690][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.660692][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660693][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660695][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.660697][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.660699][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660701][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.660703][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.660704][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660706][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.660708][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.660709][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.660711][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 16.660713][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.660715][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660717][ C1] _printk (kernel/printk/printk.c:2504) [ 16.660719][ C1] ? snapshot_read.cold (user.c:?) [ 16.660720][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.660723][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.660729][ C1] ? idr_get_free (??:?) [ 16.660730][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.660732][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.660734][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.660740][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.660747][ C1] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 16.660753][ C1] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 16.660759][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.660765][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660767][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.660773][ C1] ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan [ 16.660776][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.660778][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660780][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.660786][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.660792][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.660795][ C1] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.660797][ C1] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.660800][ C1] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.660801][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 16.660803][ C1] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.660805][ C1] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.660807][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660808][ C1] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.660810][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660811][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660813][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.660815][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.660817][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660819][ C1] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.660821][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660822][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.660824][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.660826][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.660828][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.660829][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.660831][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660833][ C1] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.660834][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660836][ C1] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.660838][ C1] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.660840][ C1] gro_cell_poll (net/core/gro_cells.c:76) [ 16.660842][ C1] __napi_poll (net/core/dev.c:7787) [ 16.660844][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.660847][ C1] ? __napi_poll (./include/net/gro.h:507) [ 16.660848][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.660851][ C1] ? 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) [ 16.660853][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.660854][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660856][ C1] handle_softirqs (kernel/softirq.c:645) [ 16.660858][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.660859][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.660861][ C1] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 16.660862][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.660864][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.660865][ C1] [ 16.660866][ C1] [ 16.660866][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.660868][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.660870][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.660872][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.660873][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.660875][ C1] ? vlan_dev_hard_header (./include/linux/netdevice.h:3537 net/8021q/vlan_dev.c:84) 8021q [ 16.660877][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660878][ C1] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 16.660881][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 16.660883][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.660884][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660885][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660887][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 16.660889][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.660890][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.660892][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.660893][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660895][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660896][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.660897][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.660899][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 16.660902][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.660904][ C1] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 16.660905][ C1] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 16.660907][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660909][ C1] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 16.660910][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.660911][ C1] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 16.660912][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.660914][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.660915][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.660917][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 16.660919][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 16.660921][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660923][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660924][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.660926][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.660928][ C1] process_one_work (kernel/workqueue.c:3387) [ 16.660930][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.660932][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.660935][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.660938][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.660939][ C1] kthread (kernel/kthread.c:436) [ 16.660941][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.660942][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.660943][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.660945][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.660947][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.660948][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.660950][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 33.585797][ T625] softirqs last disabled at (0): 0x0 | [ 33.585799][ T625] Preemption disabled at: | [ 33.585799][ T625] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.585810][ T625] Tainted: [W]=WARN [ 33.585811][ T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.585813][ T625] Call Trace: [ 33.585814][ T625] [ 33.585816][ T625] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.585821][ T625] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.585823][ T625] __might_resched.cold (kernel/sched/core.c:9234) [ 33.585827][ T625] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.585830][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585834][ T625] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.585837][ T625] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.585840][ T625] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.585843][ T625] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.585845][ T625] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.585847][ T625] put_chars (drivers/char/virtio_console.c:1176) [ 33.585849][ T625] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 33.585851][ T625] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.585853][ T625] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 33.585855][ T625] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.585858][ T625] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.585859][ T625] ? 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) [ 33.585861][ T625] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.585862][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585864][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585866][ T625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.585868][ T625] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.585870][ T625] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.585872][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585874][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585875][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585877][ T625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.585879][ T625] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.585880][ T625] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.585883][ T625] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.585885][ T625] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.585887][ T625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.585888][ T625] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.585890][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585891][ T625] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.585893][ T625] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.585894][ T625] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.585896][ T625] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.585898][ T625] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.585900][ T625] vprintk_emit (kernel/printk/printk.c:2479) [ 33.585903][ T625] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.585906][ T625] ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc [ 33.585908][ T625] _printk (kernel/printk/printk.c:2504) [ 33.585911][ T625] ? snapshot_read.cold (user.c:?) [ 33.585914][ T625] ? 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) [ 33.585916][ T625] gact_init_module (net/sched/act_gact.c:180) act_gact [ 33.585918][ T625] do_one_initcall (init/main.c:1357) [ 33.585920][ T625] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 33.585922][ T625] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 33.585926][ T625] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 33.585928][ T625] do_init_module (kernel/module/main.c:3117) [ 33.585931][ T625] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 33.585933][ T625] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 33.585935][ T625] load_module (kernel/module/main.c:3593) [ 33.585938][ T625] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 33.585940][ T625] ? __ia32_sys_fsconfig (??:?) [ 33.585942][ T625] ? ovl_real_file (fs/overlayfs/file.c:195) [ 33.585946][ T625] ? backing_file_read_iter (fs/backing-file.c:211) [ 33.585949][ T625] init_module_from_file (kernel/module/main.c:3790) [ 33.585951][ T625] ? __do_sys_init_module (kernel/module/main.c:3664) [ 33.585953][ T625] ? ovl_mmap (fs/overlayfs/file.c:477) [ 33.585955][ T625] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.585957][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585959][ T625] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.585960][ T625] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.585962][ T625] idempotent_init_module (kernel/module/main.c:3802) [ 33.585964][ T625] ? init_module_from_file (kernel/module/main.c:3791) [ 33.585967][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.585969][ T625] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.585973][ T625] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 33.585975][ T625] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.585977][ T625] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.585980][ T625] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.585982][ T625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.585984][ T625] RIP: 0033:0x7f49a44b537d [ 33.585986][ T625] 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 [ 33.585988][ T625] RSP: 002b:00007fff3e659188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 33.585991][ T625] RAX: ffffffffffffffda RBX: 000055d2c2bdc810 RCX: 00007f49a44b537d [ 33.585993][ T625] RDX: 0000000000000000 RSI: 000055d2bc9aaffd RDI: 0000000000000000 [ 33.585994][ T625] RBP: 00007fff3e659220 R08: 0000000000000000 R09: 0000000000000000 [ 33.585995][ T625] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2bc9aaffd [ 33.585995][ T625] R13: 000055d2c2bdc960 R14: 0000000000040000 R15: 0000000000000000 | [ 34.671067][ T12] softirqs last disabled at (20737): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 34.671070][ T12] Preemption disabled at: | [ 34.671071][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.671081][ T12] Tainted: [W]=WARN [ 34.671082][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.671084][ T12] Workqueue: netns cleanup_net [ 34.671089][ T12] Call Trace: [ 34.671091][ T12] [ 34.671092][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.671097][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.671099][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 34.671103][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.671106][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671110][ 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)) [ 34.671113][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.671116][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.671119][ 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) [ 34.671121][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.671123][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 34.671125][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 34.671126][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.671129][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 34.671131][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.671134][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.671135][ 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) [ 34.671137][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.671138][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671140][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671142][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.671144][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.671146][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.671148][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671150][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671151][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671153][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.671155][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 34.671157][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.671159][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.671162][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.671163][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.671165][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.671167][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671168][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.671170][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.671171][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 34.671173][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.671174][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.671176][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 34.671179][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.671181][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 34.671183][ T12] ? kthread (kernel/kthread.c:436) [ 34.671185][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 34.671188][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 34.671190][ T12] _printk (kernel/printk/printk.c:2504) [ 34.671193][ T12] ? snapshot_read.cold (user.c:?) [ 34.671196][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.671198][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.671200][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.671202][ T12] ? netdev_notice (net/core/dev.c:13194) [ 34.671204][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671206][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 34.671208][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 34.671210][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 34.671211][ 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) [ 34.671214][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 34.671217][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 34.671219][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 34.671232][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 34.671240][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 34.671247][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 34.671249][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 34.671251][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 34.671255][ T12] cleanup_net (net/core/net_namespace.c:706) [ 34.671257][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 34.671259][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.671260][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.671262][ T12] process_one_work (kernel/workqueue.c:3387) [ 34.671265][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.671267][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.671270][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.671272][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.671274][ T12] kthread (kernel/kthread.c:436) [ 34.671275][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.671277][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.671278][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.671280][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.671282][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.671285][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars