====================================== | [ 9.559922][ T187] softirqs last disabled at (39652): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.559924][ T187] Preemption disabled at: | [ 9.559925][ T187] 0x0 | [ 9.559935][ T187] Tainted: [W]=WARN [ 9.559936][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.559937][ T187] Call Trace: [ 9.559939][ T187] [ 9.559940][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.559947][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.559951][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.559956][ 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) [ 9.559961][ 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)) [ 9.559963][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.559968][ 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) [ 9.559971][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.559974][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.559977][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.559978][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.559983][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.559988][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.559994][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.559996][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.559998][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.560007][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.560011][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.560013][ 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)) [ 9.560016][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.560018][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.560022][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.560026][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.560028][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.560033][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.560036][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.560037][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.560040][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.560043][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.560045][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.560048][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.560051][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.560055][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.560058][ T187] _printk (kernel/printk/printk.c:2504) [ 9.560062][ T187] ? snapshot_read.cold (user.c:?) [ 9.560064][ 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) [ 9.560067][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.560071][ 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) [ 9.560073][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.560077][ T187] ? exit_notify (kernel/exit.c:780) [ 9.560079][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.560081][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.560085][ T187] do_group_exit (kernel/exit.c:1151) [ 9.560088][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.560090][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.560092][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.560095][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.560098][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.560100][ T187] RIP: 0033:0x7f51226a01b8 [ 9.560102][ T187] Code: Unable to access opcode bytes at 0x7f51226a018e. Code starting with the faulting instruction =========================================== [ 9.560104][ T187] RSP: 002b:00007ffce6488be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.560106][ T187] RAX: ffffffffffffffda RBX: 00007f51227d0f88 RCX: 00007f51226a01b8 [ 9.560107][ T187] RDX: 00007f51223eafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.560108][ T187] RBP: 00007ffce6488c40 R08: 0000000000000000 R09: 0000000000008010 [ 9.560109][ T187] R10: 00007ffce6488a00 R11: 0000000000000246 R12: 0000000000000001 [ 9.560110][ T187] R13: 0000000000000000 R14: 00007f51227cf680 R15: 00007f51227d0fa0 | [ 11.604376][ T266] softirqs last disabled at (13992): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.604378][ T266] Preemption disabled at: | [ 11.604379][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.604388][ T266] Tainted: [W]=WARN [ 11.604389][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.604391][ T266] Call Trace: [ 11.604392][ T266] [ 11.604394][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.604400][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.604402][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 11.604406][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.604411][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.604416][ T266] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.604418][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.604424][ T266] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.604426][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.604429][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 11.604432][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.604437][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.604440][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.604443][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.604445][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.604446][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.604450][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.604452][ T266] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.604455][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.604459][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.604463][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.604467][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.604468][ T266] ? 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)) [ 11.604472][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.604474][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.604478][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.604482][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.604484][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.604489][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.604492][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.604494][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.604496][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.604500][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.604502][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.604505][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 11.604509][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.604511][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.604513][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.604517][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.604521][ T266] _printk (kernel/printk/printk.c:2504) [ 11.604524][ T266] ? snapshot_read.cold (user.c:?) [ 11.604528][ T266] ? br_multicast_flood (??:?) bridge [ 11.604541][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.604543][ T266] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.604544][ T266] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.604548][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.604559][ T266] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.604567][ T266] new_nbp (net/bridge/br_if.c:449) bridge [ 11.604577][ T266] br_add_if (net/bridge/br_if.c:592) bridge [ 11.604584][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.604588][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.604591][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 11.604595][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 11.604599][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.604602][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.604605][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.604607][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.604609][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.604613][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.604615][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.604617][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.604620][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.604623][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.604624][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 11.604627][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.604629][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 11.604632][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 11.604636][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.604638][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.604641][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.604643][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.604645][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.604646][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.604649][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.604653][ T266] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.604654][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.604656][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.604660][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.604661][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.604666][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.604671][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.604677][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.604679][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.604683][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.604685][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.604687][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.604689][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.604692][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.604694][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.604697][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.604699][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.604703][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.604705][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.604708][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.604710][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.604713][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.604719][ T266] ? 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)) [ 11.604721][ T266] ? 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)) [ 11.604725][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.604729][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.604731][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.604735][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.604739][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.604743][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.604751][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.604754][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.604756][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.604758][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 11.604765][ T266] ___sys_sendmsg (net/socket.c:2767) [ 11.604768][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.604784][ T266] __sys_sendmsg (net/socket.c:2799) [ 11.604787][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.604793][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.604796][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.604799][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.604802][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.604804][ T266] RIP: 0033:0x7fbc3451f54e [ 11.604808][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.604810][ T266] RSP: 002b:00007ffcbd250430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.604812][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc3451f54e [ 11.604814][ T266] RDX: 0000000000000000 RSI: 00007ffcbd2504e0 RDI: 0000000000000005 [ 11.604815][ T266] RBP: 00007ffcbd250440 R08: 0000000000000000 R09: 0000000000000000 [ 11.604816][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912cdd [ 11.604816][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbd250ba0 | [ 14.912576][ T369] softirqs last disabled at (16676): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.912580][ T369] Preemption disabled at: | [ 14.912580][ T369] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.912593][ T369] Tainted: [W]=WARN [ 14.912594][ T369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.912596][ T369] Call Trace: [ 14.912599][ T369] [ 14.912601][ T369] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.912608][ T369] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.912612][ T369] __might_resched.cold (kernel/sched/core.c:9234) [ 14.912618][ T369] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.912624][ T369] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.912631][ T369] __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)) [ 14.912635][ T369] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.912643][ T369] ? 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) [ 14.912647][ T369] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.912652][ T369] put_chars (drivers/char/virtio_console.c:1176) [ 14.912655][ T369] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.912659][ T369] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.912664][ T369] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.912670][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.912673][ T369] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.912679][ T369] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.912684][ T369] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.912687][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.912689][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.912696][ T369] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.912700][ T369] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.912705][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.912709][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.912716][ T369] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.912722][ T369] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.912724][ T369] ? 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)) [ 14.912730][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.912734][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.912741][ T369] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.912751][ T369] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.912754][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.912764][ T369] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.912768][ T369] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.912771][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.912775][ T369] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.912781][ T369] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.912784][ T369] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.912789][ T369] vprintk_emit (kernel/printk/printk.c:2479) [ 14.912796][ T369] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.912800][ T369] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.912804][ T369] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.912810][ T369] _printk (kernel/printk/printk.c:2504) [ 14.912816][ T369] ? snapshot_read.cold (user.c:?) [ 14.912822][ T369] ? br_multicast_flood (??:?) bridge [ 14.912841][ T369] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.912843][ T369] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.912845][ T369] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.912853][ T369] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.912871][ T369] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.912885][ T369] new_nbp (net/bridge/br_if.c:449) bridge [ 14.912902][ T369] br_add_if (net/bridge/br_if.c:592) bridge [ 14.912914][ T369] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.912920][ T369] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.912924][ T369] ? __kernel_text_address (kernel/extable.c:79) [ 14.912931][ T369] do_set_master (net/core/rtnetlink.c:3071) [ 14.912939][ T369] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.912944][ T369] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.912949][ T369] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.912951][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.912954][ T369] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.912959][ T369] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.912963][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.912965][ T369] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.912970][ T369] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.912974][ T369] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.912976][ T369] ? kasan_save_track (mm/kasan/common.c:78) [ 14.912981][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.912984][ T369] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.912988][ T369] ? ___sys_sendmsg (net/socket.c:2757) [ 14.912996][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.912999][ T369] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.913003][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.913007][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.913010][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.913012][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.913016][ T369] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.913021][ T369] ? __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) [ 14.913030][ T369] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.913034][ T369] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.913040][ T369] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.913043][ T369] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.913052][ T369] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.913062][ T369] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.913072][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.913075][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.913083][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.913086][ T369] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.913090][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.913093][ T369] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.913099][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.913103][ T369] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.913109][ T369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.913111][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.913119][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.913122][ T369] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.913128][ T369] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.913131][ T369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.913136][ T369] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.913148][ T369] ? 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)) [ 14.913150][ T369] ? 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)) [ 14.913158][ T369] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.913165][ T369] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.913169][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.913177][ T369] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.913183][ T369] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.913190][ T369] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.913199][ T369] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.913203][ T369] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.913206][ T369] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.913209][ T369] ? move_addr_to_kernel (net/socket.c:258) [ 14.913223][ T369] ___sys_sendmsg (net/socket.c:2767) [ 14.913227][ T369] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.913258][ T369] __sys_sendmsg (net/socket.c:2799) [ 14.913263][ T369] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.913274][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.913280][ T369] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.913284][ T369] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.913288][ T369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.913292][ T369] RIP: 0033:0x7f4081bdc54e [ 14.913297][ T369] 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 [ 14.913300][ T369] RSP: 002b:00007ffe7ebc5920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.913304][ T369] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4081bdc54e [ 14.913306][ T369] RDX: 0000000000000000 RSI: 00007ffe7ebc59d0 RDI: 0000000000000005 [ 14.913308][ T369] RBP: 00007ffe7ebc5930 R08: 0000000000000000 R09: 0000000000000000 [ 14.913309][ T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ce0 [ 14.913311][ T369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7ebc6090 | [ 16.301395][ C3] | [ 16.301396][ C3] | [ 16.301396][ C3] stack backtrace: | [ 16.301402][ C3] Tainted: [W]=WARN [ 16.301402][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.301404][ C3] Workqueue: mld mld_ifc_work [ 16.301407][ C3] Call Trace: [ 16.301409][ C3] [ 16.301410][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.301414][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.301417][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.301420][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 16.301421][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 16.301423][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.301425][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.301427][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.301429][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301432][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.301434][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.301436][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.301438][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.301440][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.301441][ C3] ? 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)) [ 16.301444][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301445][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.301447][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.301449][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.301451][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301453][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.301455][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.301457][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301459][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.301461][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.301462][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.301464][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 16.301467][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.301469][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.301471][ C3] _printk (kernel/printk/printk.c:2504) [ 16.301473][ C3] ? snapshot_read.cold (user.c:?) [ 16.301474][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.301477][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.301485][ C3] ? idr_get_free (??:?) [ 16.301487][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.301489][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.301491][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.301499][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.301506][ C3] ? __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 [ 16.301515][ C3] ? 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 [ 16.301522][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.301529][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.301531][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.301538][ C3] ? 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 [ 16.301543][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.301544][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301546][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.301553][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.301560][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.301563][ C3] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.301566][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.301569][ C3] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.301571][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 16.301573][ C3] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.301575][ C3] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.301577][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301579][ C3] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.301581][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.301582][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.301584][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.301587][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.301588][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.301590][ C3] ? 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)) [ 16.301592][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.301594][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.301596][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.301598][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.301600][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.301601][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.301603][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301605][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.301607][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.301608][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.301611][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.301613][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 16.301615][ C3] __napi_poll (net/core/dev.c:7787) [ 16.301617][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.301620][ C3] ? __napi_poll (./include/net/gro.h:507) [ 16.301622][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301625][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 16.301628][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301630][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.301631][ C3] handle_softirqs (kernel/softirq.c:645) [ 16.301633][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.301635][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.301636][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.301638][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.301640][ C3] [ 16.301640][ C3] [ 16.301641][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.301642][ C3] __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)) [ 16.301645][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.301647][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.301648][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.301650][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.301651][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301653][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.301655][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.301657][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.301659][ C3] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.301662][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.301663][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.301664][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.301666][ C3] ? 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)) [ 16.301669][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.301671][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.301672][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.301674][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.301675][ C3] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.301678][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.301680][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.301681][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.301682][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.301684][ C3] mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4)) [ 16.301687][ C3] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 16.301689][ C3] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148) [ 16.301691][ C3] mld_ifc_work (net/ipv6/mcast.c:2711) [ 16.301693][ C3] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.301695][ C3] process_one_work (kernel/workqueue.c:3387) [ 16.301697][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.301699][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.301702][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.301704][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.301706][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.301708][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.301709][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.301711][ C3] kthread (kernel/kthread.c:436) [ 16.301712][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.301715][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.301717][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.301719][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.301720][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.301723][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.301725][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.301743][ C3] softirqs last disabled at (21193): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 16.301745][ C3] Preemption disabled at: | [ 16.301749][ C3] __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)) | [ 16.301755][ C3] Tainted: [W]=WARN [ 16.301755][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.301756][ C3] Workqueue: mld mld_ifc_work [ 16.301759][ C3] Call Trace: [ 16.301759][ C3] [ 16.301760][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.301762][ C3] ? __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)) [ 16.301765][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 16.301768][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.301771][ C3] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 16.301774][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301777][ C3] __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)) [ 16.301780][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.301782][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.301785][ C3] ? 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) [ 16.301787][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.301790][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 16.301792][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.301795][ C3] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.301797][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.301801][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.301802][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301805][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.301807][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.301810][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.301812][ C3] ? 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)) [ 16.301815][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301817][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.301819][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.301822][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.301824][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301827][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.301829][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.301831][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.301833][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.301835][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.301836][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.301839][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 16.301841][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.301843][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.301846][ C3] _printk (kernel/printk/printk.c:2504) [ 16.301848][ C3] ? snapshot_read.cold (user.c:?) [ 16.301850][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.301852][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.301860][ C3] ? idr_get_free (??:?) [ 16.301862][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.301864][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.301866][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.301875][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.301884][ C3] ? __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 [ 16.301892][ C3] ? 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 [ 16.301901][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.301909][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.301911][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.301919][ C3] ? 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 [ 16.301924][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.301926][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301928][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.301937][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.301945][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.301948][ C3] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.301950][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.301954][ C3] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.301956][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 16.301958][ C3] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.301960][ C3] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.301963][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301965][ C3] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.301967][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.301969][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.301971][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.301974][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.301976][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.301977][ C3] ? 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)) [ 16.301980][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.301982][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.301984][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.301986][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.301988][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.301990][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.301993][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.301995][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.301997][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.301999][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.302001][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.302004][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 16.302007][ C3] __napi_poll (net/core/dev.c:7787) [ 16.302009][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.302012][ C3] ? __napi_poll (./include/net/gro.h:507) [ 16.302014][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.302018][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 16.302020][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.302022][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.302024][ C3] handle_softirqs (kernel/softirq.c:645) [ 16.302026][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.302028][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.302036][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.302038][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.302040][ C3] [ 16.302040][ C3] [ 16.302041][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.302043][ C3] __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)) [ 16.302046][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.302048][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.302049][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.302051][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.302052][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.302054][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.302056][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.302057][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.302059][ C3] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.302061][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.302062][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.302064][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.302066][ C3] ? 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)) [ 16.302067][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.302069][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.302071][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.302072][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.302074][ C3] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.302076][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.302077][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.302079][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.302080][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.302082][ C3] mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4)) [ 16.302084][ C3] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 16.302087][ C3] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148) [ 16.302089][ C3] mld_ifc_work (net/ipv6/mcast.c:2711) [ 16.302090][ C3] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.302092][ C3] process_one_work (kernel/workqueue.c:3387) [ 16.302094][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.302096][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.302099][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.302102][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.302103][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.302105][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.302107][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.302108][ C3] kthread (kernel/kthread.c:436) [ 16.302110][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.302111][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.302113][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.302115][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.302116][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.302118][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.302120][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.963827][ T624] softirqs last disabled at (0): 0x0 | [ 32.963828][ T624] Preemption disabled at: | [ 32.963829][ T624] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.963840][ T624] Tainted: [W]=WARN [ 32.963841][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.963843][ T624] Call Trace: [ 32.963844][ T624] [ 32.963845][ T624] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.963851][ T624] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.963853][ T624] __might_resched.cold (kernel/sched/core.c:9234) [ 32.963856][ T624] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.963859][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963863][ T624] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.963866][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.963869][ T624] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.963873][ T624] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.963874][ T624] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.963876][ T624] put_chars (drivers/char/virtio_console.c:1176) [ 32.963878][ T624] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 32.963879][ T624] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.963882][ T624] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.963884][ T624] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.963887][ T624] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.963888][ T624] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.963890][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.963891][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963893][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963895][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.963897][ T624] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.963899][ T624] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.963901][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963903][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963904][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963906][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.963908][ T624] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.963909][ T624] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.963912][ T624] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.963914][ T624] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.963916][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.963917][ T624] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.963919][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963920][ T624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.963922][ T624] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.963923][ T624] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.963925][ T624] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.963927][ T624] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.963929][ T624] vprintk_emit (kernel/printk/printk.c:2479) [ 32.963932][ T624] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.963934][ T624] ? 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 [ 32.963937][ T624] _printk (kernel/printk/printk.c:2504) [ 32.963940][ T624] ? snapshot_read.cold (user.c:?) [ 32.963942][ T624] ? 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) [ 32.963944][ T624] gact_init_module (net/sched/act_gact.c:180) act_gact [ 32.963947][ T624] do_one_initcall (init/main.c:1357) [ 32.963948][ T624] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 32.963951][ T624] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 32.963953][ T624] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 32.963956][ T624] do_init_module (kernel/module/main.c:3117) [ 32.963959][ T624] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 32.963961][ T624] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 32.963963][ T624] load_module (kernel/module/main.c:3593) [ 32.963966][ T624] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 32.963968][ T624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.963970][ T624] ? __ia32_sys_fsconfig (??:?) [ 32.963973][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.963975][ T624] init_module_from_file (kernel/module/main.c:3790) [ 32.963977][ T624] ? __do_sys_init_module (kernel/module/main.c:3664) [ 32.963978][ T624] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 32.963981][ T624] ? handle_pte_fault (mm/memory.c:6558) [ 32.963984][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963985][ T624] ? ovl_mmap (fs/overlayfs/file.c:477) [ 32.963989][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.963991][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.963993][ T624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.963994][ T624] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.963996][ T624] idempotent_init_module (kernel/module/main.c:3802) [ 32.963998][ T624] ? init_module_from_file (kernel/module/main.c:3791) [ 32.964001][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.964002][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.964004][ T624] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.964008][ T624] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 32.964010][ T624] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.964012][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.964015][ T624] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.964018][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.964020][ T624] RIP: 0033:0x7f8d45bea37d [ 32.964021][ T624] 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 [ 32.964023][ T624] RSP: 002b:00007ffdc8ead868 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 32.964027][ T624] RAX: ffffffffffffffda RBX: 000055acbb86b810 RCX: 00007f8d45bea37d [ 32.964028][ T624] RDX: 0000000000000000 RSI: 000055ac81866ffd RDI: 0000000000000000 [ 32.964029][ T624] RBP: 00007ffdc8ead900 R08: 0000000000000000 R09: 0000000000000000 [ 32.964030][ T624] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ac81866ffd [ 32.964031][ T624] R13: 000055acbb86b960 R14: 0000000000040000 R15: 0000000000000000 | [ 34.116926][ T71] softirqs last disabled at (18532): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 34.116929][ T71] Preemption disabled at: | [ 34.116930][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.116944][ T71] Tainted: [W]=WARN [ 34.116945][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.116948][ T71] Workqueue: netns cleanup_net [ 34.116954][ T71] Call Trace: [ 34.116956][ T71] [ 34.116958][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.116965][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.116967][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 34.116973][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.116977][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.116982][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 34.116986][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.116990][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.116995][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 34.116997][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.117000][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 34.117003][ T71] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 34.117006][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.117009][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 34.117013][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.117017][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.117019][ T71] ? 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) [ 34.117022][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.117024][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117026][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117029][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.117032][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.117036][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.117038][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117041][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117043][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117046][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.117049][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 34.117052][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.117057][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.117062][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.117065][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.117067][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.117070][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117072][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.117074][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.117076][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 34.117079][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.117082][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.117084][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 34.117088][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.117090][ T71] ? process_one_work (kernel/workqueue.c:3387) [ 34.117094][ T71] ? kthread (kernel/kthread.c:436) [ 34.117096][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 34.117099][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 34.117103][ T71] _printk (kernel/printk/printk.c:2504) [ 34.117112][ T71] ? snapshot_read.cold (user.c:?) [ 34.117116][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.117119][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.117122][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.117125][ T71] ? netdev_notice (net/core/dev.c:13194) [ 34.117128][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117130][ T71] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 34.117133][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 34.117136][ T71] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 34.117138][ T71] ? 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) [ 34.117142][ T71] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 34.117146][ T71] dev_set_allmulti (net/core/dev_api.c:315) [ 34.117150][ T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 34.117169][ T71] br_dev_delete (net/bridge/br_if.c:387) bridge [ 34.117182][ T71] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 34.117194][ T71] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 34.117198][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 34.117201][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 34.117206][ T71] cleanup_net (net/core/net_namespace.c:706) [ 34.117208][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 34.117210][ T71] ? update_load_avg (kernel/sched/fair.c:5864) [ 34.117214][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.117216][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.117220][ T71] process_one_work (kernel/workqueue.c:3387) [ 34.117224][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.117226][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.117229][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.117233][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.117236][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.117239][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 34.117242][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.117244][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.117246][ T71] kthread (kernel/kthread.c:436) [ 34.117249][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.117251][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.117254][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.117256][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.117259][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.117263][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable 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 __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars