====================================== | [ 10.340440][ T186] softirqs last disabled at (48010): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.340442][ T186] Preemption disabled at: | [ 10.340443][ T186] 0x0 | [ 10.340454][ T186] Tainted: [W]=WARN [ 10.340454][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.340456][ T186] Call Trace: [ 10.340458][ T186] [ 10.340460][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.340466][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 10.340470][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.340475][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.340480][ T186] __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)) [ 10.340482][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.340488][ T186] ? 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) [ 10.340491][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.340494][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 10.340497][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.340498][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.340503][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.340508][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.340514][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.340517][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.340519][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.340523][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.340527][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.340529][ T186] ? 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)) [ 10.340532][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.340534][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.340538][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.340542][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.340544][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.340549][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.340552][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.340554][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.340556][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.340560][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.340562][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.340565][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 10.340569][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.340572][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.340576][ T186] _printk (kernel/printk/printk.c:2504) [ 10.340580][ T186] ? snapshot_read.cold (user.c:?) [ 10.340583][ T186] ? 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) [ 10.340585][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.340589][ T186] ? 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) [ 10.340592][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.340595][ T186] ? exit_notify (kernel/exit.c:780) [ 10.340597][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.340600][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.340604][ T186] do_group_exit (kernel/exit.c:1151) [ 10.340607][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.340609][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.340611][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.340614][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.340617][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.340619][ T186] RIP: 0033:0x7fcbf4ba21b8 [ 10.340622][ T186] Code: Unable to access opcode bytes at 0x7fcbf4ba218e. Code starting with the faulting instruction =========================================== [ 10.340623][ T186] RSP: 002b:00007ffd48a72a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.340625][ T186] RAX: ffffffffffffffda RBX: 00007fcbf4cd2f88 RCX: 00007fcbf4ba21b8 [ 10.340626][ T186] RDX: 00007fcbf48ecfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.340627][ T186] RBP: 00007ffd48a72ab0 R08: 0000000000000000 R09: 0000000000008010 [ 10.340628][ T186] R10: 00007ffd48a72870 R11: 0000000000000246 R12: 0000000000000001 [ 10.340629][ T186] R13: 0000000000000000 R14: 00007fcbf4cd1680 R15: 00007fcbf4cd2fa0 | [ 12.187035][ T263] softirqs last disabled at (22621): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.187038][ T263] Preemption disabled at: | [ 12.187038][ T263] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.187047][ T263] Tainted: [W]=WARN [ 12.187048][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.187050][ T263] Call Trace: [ 12.187052][ T263] [ 12.187053][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.187059][ T263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.187061][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 12.187066][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.187070][ T263] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.187075][ T263] __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)) [ 12.187077][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.187083][ T263] ? 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) [ 12.187085][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.187088][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 12.187091][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.187095][ T263] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.187099][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.187101][ T263] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.187103][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.187110][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.187114][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.187116][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.187119][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187123][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.187127][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.187130][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.187132][ T263] ? 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)) [ 12.187135][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187138][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.187141][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.187145][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.187147][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.187152][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.187155][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.187156][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187159][ T263] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.187162][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.187164][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.187167][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 12.187171][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.187173][ T263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.187175][ T263] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.187179][ T263] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.187182][ T263] _printk (kernel/printk/printk.c:2504) [ 12.187185][ T263] ? snapshot_read.cold (user.c:?) [ 12.187189][ T263] ? br_multicast_flood (??:?) bridge [ 12.187202][ T263] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.187203][ T263] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.187204][ T263] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.187208][ T263] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.187218][ T263] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.187226][ T263] new_nbp (net/bridge/br_if.c:449) bridge [ 12.187235][ T263] br_add_if (net/bridge/br_if.c:592) bridge [ 12.187242][ T263] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062) [ 12.187244][ T263] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.187251][ T263] do_set_master (net/core/rtnetlink.c:3071) [ 12.187256][ T263] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.187259][ T263] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.187262][ T263] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.187263][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.187266][ T263] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.187269][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.187272][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.187274][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.187276][ T263] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.187279][ T263] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.187281][ T263] ? kasan_save_track (mm/kasan/common.c:78) [ 12.187284][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.187285][ T263] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 12.187288][ T263] ? ___sys_sendmsg (net/socket.c:2757) [ 12.187293][ T263] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.187295][ T263] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.187297][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187300][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.187301][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187303][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187305][ T263] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.187309][ T263] ? __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) [ 12.187311][ T263] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.187313][ T263] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.187316][ T263] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.187317][ T263] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.187322][ T263] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.187327][ T263] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.187332][ T263] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.187334][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.187338][ T263] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.187340][ T263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.187342][ T263] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.187344][ T263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.187347][ T263] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.187349][ T263] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.187352][ T263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.187354][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.187358][ T263] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.187360][ T263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.187363][ T263] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.187365][ T263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.187368][ T263] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.187373][ T263] ? 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)) [ 12.187375][ T263] ? 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)) [ 12.187379][ T263] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.187383][ T263] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.187385][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.187389][ T263] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.187393][ T263] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.187396][ T263] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.187402][ T263] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.187404][ T263] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.187406][ T263] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.187408][ T263] ? move_addr_to_kernel (net/socket.c:258) [ 12.187414][ T263] ___sys_sendmsg (net/socket.c:2767) [ 12.187417][ T263] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.187432][ T263] __sys_sendmsg (net/socket.c:2799) [ 12.187435][ T263] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.187441][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187445][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.187446][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.187449][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.187451][ T263] RIP: 0033:0x7f80c061154e [ 12.187454][ T263] 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 [ 12.187456][ T263] RSP: 002b:00007ffcdbfef650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.187459][ T263] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f80c061154e [ 12.187460][ T263] RDX: 0000000000000000 RSI: 00007ffcdbfef700 RDI: 0000000000000005 [ 12.187461][ T263] RBP: 00007ffcdbfef660 R08: 0000000000000000 R09: 0000000000000000 [ 12.187462][ T263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ad49 [ 12.187462][ T263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdbfefdc0 | [ 15.209392][ T374] softirqs last disabled at (22200): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.209394][ T374] Preemption disabled at: | [ 15.209395][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.209404][ T374] Tainted: [W]=WARN [ 15.209405][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.209407][ T374] Call Trace: [ 15.209409][ T374] [ 15.209410][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.209415][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.209417][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 15.209422][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.209426][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.209431][ T374] __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)) [ 15.209433][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.209439][ T374] ? 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) [ 15.209441][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.209445][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 15.209447][ T374] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.209449][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.209452][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.209456][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.209458][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.209462][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.209465][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.209467][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.209468][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.209472][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.209474][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.209477][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.209479][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.209483][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.209487][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.209489][ T374] ? 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)) [ 15.209492][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.209494][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.209498][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.209502][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.209504][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.209509][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.209512][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.209513][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.209516][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.209519][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.209521][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.209524][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 15.209528][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.209531][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.209533][ T374] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.209537][ T374] _printk (kernel/printk/printk.c:2504) [ 15.209540][ T374] ? snapshot_read.cold (user.c:?) [ 15.209544][ T374] ? br_multicast_flood (??:?) bridge [ 15.209556][ T374] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.209558][ T374] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.209559][ T374] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.209563][ T374] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.209573][ T374] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.209582][ T374] new_nbp (net/bridge/br_if.c:449) bridge [ 15.209591][ T374] br_add_if (net/bridge/br_if.c:592) bridge [ 15.209598][ T374] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.209602][ T374] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.209605][ T374] ? __kernel_text_address (kernel/extable.c:79) [ 15.209608][ T374] do_set_master (net/core/rtnetlink.c:3071) [ 15.209613][ T374] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.209616][ T374] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.209619][ T374] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.209620][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.209622][ T374] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.209625][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.209628][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.209630][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.209632][ T374] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.209635][ T374] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.209637][ T374] ? kasan_save_track (mm/kasan/common.c:78) [ 15.209639][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.209641][ T374] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.209644][ T374] ? ___sys_sendmsg (net/socket.c:2757) [ 15.209648][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.209650][ T374] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.209653][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.209655][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.209656][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.209658][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.209660][ T374] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.209664][ T374] ? __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) [ 15.209667][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.209669][ T374] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.209672][ T374] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.209674][ T374] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.209679][ T374] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.209684][ T374] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.209689][ T374] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.209691][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.209695][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.209697][ T374] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.209699][ T374] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.209701][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.209704][ T374] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.209706][ T374] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.209709][ T374] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.209710][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.209714][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.209716][ T374] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.209719][ T374] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.209721][ T374] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.209724][ T374] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.209730][ T374] ? 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)) [ 15.209731][ T374] ? 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)) [ 15.209735][ T374] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.209739][ T374] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.209741][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.209745][ T374] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.209749][ T374] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.209753][ T374] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.209758][ T374] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.209760][ T374] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.209762][ T374] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.209764][ T374] ? move_addr_to_kernel (net/socket.c:258) [ 15.209771][ T374] ___sys_sendmsg (net/socket.c:2767) [ 15.209774][ T374] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.209789][ T374] __sys_sendmsg (net/socket.c:2799) [ 15.209792][ T374] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.209798][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.209801][ T374] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.209803][ T374] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.209806][ T374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.209809][ T374] RIP: 0033:0x7fc46130e54e [ 15.209812][ T374] 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 [ 15.209814][ T374] RSP: 002b:00007ffcbea7e9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.209817][ T374] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc46130e54e [ 15.209818][ T374] RDX: 0000000000000000 RSI: 00007ffcbea7ea60 RDI: 0000000000000005 [ 15.209819][ T374] RBP: 00007ffcbea7e9c0 R08: 0000000000000000 R09: 0000000000000000 [ 15.209820][ T374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ad4c [ 15.209821][ T374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbea7f120 | [ 16.803206][ C2] | [ 16.803207][ C2] | [ 16.803207][ C2] stack backtrace: | [ 16.803213][ C2] Tainted: [W]=WARN [ 16.803214][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.803215][ C2] Workqueue: mld mld_ifc_work [ 16.803218][ C2] Call Trace: [ 16.803220][ C2] [ 16.803221][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.803225][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.803227][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.803230][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 16.803232][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 16.803234][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.803236][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803237][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.803239][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803243][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.803244][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.803246][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.803248][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.803250][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.803252][ C2] ? 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)) [ 16.803253][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803255][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.803257][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.803259][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.803261][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803263][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.803265][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.803267][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803268][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.803270][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.803272][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.803274][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 16.803276][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.803278][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803280][ C2] _printk (kernel/printk/printk.c:2504) [ 16.803282][ C2] ? snapshot_read.cold (user.c:?) [ 16.803284][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.803287][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.803294][ C2] ? idr_get_free (??:?) [ 16.803296][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.803298][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.803300][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.803307][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.803313][ C2] ? __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 [ 16.803322][ C2] ? 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 [ 16.803328][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.803335][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803337][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.803343][ C2] ? 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 [ 16.803348][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.803350][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803352][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.803359][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.803365][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.803368][ C2] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.803371][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.803374][ C2] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.803376][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 16.803378][ C2] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.803380][ C2] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.803382][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803384][ C2] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.803385][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803387][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803388][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.803391][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.803393][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803394][ C2] ? 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)) [ 16.803396][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.803398][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.803400][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.803402][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.803404][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.803405][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.803407][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803409][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.803411][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803412][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.803414][ C2] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.803416][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 16.803419][ C2] __napi_poll (net/core/dev.c:7787) [ 16.803421][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.803423][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803425][ C2] ? __napi_poll (./include/net/gro.h:507) [ 16.803428][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 16.803431][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.803433][ C2] handle_softirqs (kernel/softirq.c:645) [ 16.803435][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.803436][ C2] ? 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) [ 16.803438][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803440][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.803442][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.803443][ C2] [ 16.803444][ C2] [ 16.803444][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.803446][ C2] __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)) [ 16.803449][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.803450][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803452][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803453][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803455][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803456][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.803458][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.803460][ C2] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.803463][ C2] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.803465][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.803466][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803467][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803469][ C2] ? 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)) [ 16.803472][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.803474][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.803475][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.803477][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803478][ C2] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.803481][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.803482][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.803484][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.803485][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.803487][ C2] 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:1890 (discriminator 4)) [ 16.803489][ C2] ? mld_dad_start_work (net/ipv6/mcast.c:1153) [ 16.803492][ C2] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2168) [ 16.803494][ C2] mld_ifc_work (net/ipv6/mcast.c:2739) [ 16.803496][ C2] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.803497][ C2] process_one_work (kernel/workqueue.c:3387) [ 16.803500][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.803502][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803505][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.803507][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.803509][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.803510][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.803512][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.803514][ C2] kthread (kernel/kthread.c:436) [ 16.803515][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.803518][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.803519][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.803521][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.803523][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.803525][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.803527][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.803545][ C2] softirqs last disabled at (15725): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 16.803547][ C2] Preemption disabled at: | [ 16.803547][ C2] __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)) | [ 16.803552][ C2] Tainted: [W]=WARN [ 16.803552][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.803553][ C2] Workqueue: mld mld_ifc_work [ 16.803555][ C2] Call Trace: [ 16.803555][ C2] [ 16.803556][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.803558][ C2] ? __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)) [ 16.803560][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 16.803562][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.803565][ C2] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 16.803567][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803570][ C2] __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)) [ 16.803571][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.803573][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.803575][ C2] ? 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) [ 16.803576][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.803578][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 16.803580][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.803581][ C2] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.803583][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.803586][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.803587][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803589][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.803591][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.803593][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.803595][ C2] ? 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)) [ 16.803597][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803598][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.803600][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.803602][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.803604][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803606][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.803608][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.803610][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803611][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.803613][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.803615][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.803617][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 16.803619][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.803621][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803623][ C2] _printk (kernel/printk/printk.c:2504) [ 16.803624][ C2] ? snapshot_read.cold (user.c:?) [ 16.803626][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.803628][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.803634][ C2] ? idr_get_free (??:?) [ 16.803636][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.803638][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.803639][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.803646][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.803653][ C2] ? __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 [ 16.803659][ C2] ? 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 [ 16.803665][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.803672][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803674][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.803680][ C2] ? 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 [ 16.803683][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.803685][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803687][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.803693][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.803700][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.803702][ C2] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.803704][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.803707][ C2] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.803709][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 16.803711][ C2] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.803712][ C2] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.803714][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803716][ C2] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.803718][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803719][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803721][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.803723][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.803725][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803726][ C2] ? 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)) [ 16.803729][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.803731][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.803732][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.803734][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.803736][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.803737][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.803739][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803741][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.803743][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803744][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.803746][ C2] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.803748][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 16.803751][ C2] __napi_poll (net/core/dev.c:7787) [ 16.803753][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.803755][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.803757][ C2] ? __napi_poll (./include/net/gro.h:507) [ 16.803760][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 16.803762][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.803764][ C2] handle_softirqs (kernel/softirq.c:645) [ 16.803766][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.803767][ C2] ? 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) [ 16.803768][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803770][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.803772][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.803773][ C2] [ 16.803774][ C2] [ 16.803774][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.803776][ C2] __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)) [ 16.803779][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.803780][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803782][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803783][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803785][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.803786][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.803788][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.803789][ C2] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.803791][ C2] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.803793][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.803794][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.803796][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803797][ C2] ? 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)) [ 16.803799][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.803801][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.803802][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.803804][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.803805][ C2] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.803807][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.803808][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.803810][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.803811][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.803813][ C2] 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:1890 (discriminator 4)) [ 16.803815][ C2] ? mld_dad_start_work (net/ipv6/mcast.c:1153) [ 16.803818][ C2] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2168) [ 16.803820][ C2] mld_ifc_work (net/ipv6/mcast.c:2739) [ 16.803821][ C2] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.803823][ C2] process_one_work (kernel/workqueue.c:3387) [ 16.803825][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.803830][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.803833][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.803835][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.803836][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.803838][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.803840][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.803841][ C2] kthread (kernel/kthread.c:436) [ 16.803843][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.803844][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.803846][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.803847][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.803849][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.803850][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.803852][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.061698][ C1] softirqs last disabled at (878431): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.061700][ C1] Preemption disabled at: | [ 18.061700][ 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)) | [ 18.061711][ C1] Tainted: [W]=WARN [ 18.061712][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.061714][ C1] Workqueue: mld mld_dad_work [ 18.061719][ C1] Call Trace: [ 18.061721][ C1] [ 18.061722][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.061727][ 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)) [ 18.061729][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 18.061732][ C1] ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173) [ 18.061735][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.061738][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 18.061741][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061745][ 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)) [ 18.061748][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.061750][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.061754][ 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) [ 18.061755][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.061757][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 18.061759][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.061761][ C1] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 18.061764][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.061768][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.061769][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061771][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.061773][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.061775][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.061777][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061779][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061781][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061782][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.061784][ C1] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 18.061786][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.061788][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.061791][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.061792][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.061794][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.061796][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061797][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.061799][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.061800][ C1] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 18.061802][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.061804][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.061806][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 18.061808][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.061810][ C1] ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123) [ 18.061812][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061814][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.061816][ C1] _printk (kernel/printk/printk.c:2504) [ 18.061819][ C1] ? snapshot_read.cold (user.c:?) [ 18.061821][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 18.061824][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 18.061840][ C1] ? idr_get_free (??:?) [ 18.061843][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 18.061854][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 18.061863][ 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 [ 18.061872][ 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 [ 18.061879][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 18.061887][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.061889][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061891][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 18.061898][ C1] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 18.061900][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.061902][ C1] ? fib_rules_unregister (net/core/fib_rules.c:189) [ 18.061905][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 18.061912][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061913][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 18.061920][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 18.061923][ C1] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 18.061926][ C1] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 18.061931][ C1] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 18.061933][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 18.061935][ C1] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 18.061937][ C1] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 18.061939][ C1] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 18.061941][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061943][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 18.061945][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.061947][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.061949][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 18.061951][ C1] ? ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 18.061954][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 18.061956][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.061957][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 18.061959][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 18.061961][ C1] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) [ 18.061963][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 18.061964][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061966][ C1] ? ipv6_gro_receive (net/ipv6/ip6_offload.c:231 (discriminator 5)) [ 18.061969][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.061971][ C1] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 18.061974][ C1] ? netif_receive_skb_list (net/core/dev.c:6551) [ 18.061976][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.061977][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.061979][ C1] gro_cell_poll (net/core/gro_cells.c:76) [ 18.061984][ C1] __napi_poll (net/core/dev.c:7787) [ 18.061986][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 18.061988][ C1] ? __napi_poll (./include/net/gro.h:507) [ 18.061990][ C1] ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3)) [ 18.061992][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.061993][ C1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 18.061995][ C1] ? clockevents_program_event (kernel/time/clockevents.c:372) [ 18.061998][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062000][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062002][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062004][ C1] handle_softirqs (kernel/softirq.c:645) [ 18.062006][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.062007][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.062009][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.062010][ 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)) [ 18.062012][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 18.062013][ C1] [ 18.062014][ C1] [ 18.062015][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 18.062016][ 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)) [ 18.062019][ C1] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 18.062021][ C1] ? mld_dad_work (net/ipv6/mcast.c:2331) [ 18.062023][ C1] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 18.062026][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 18.062028][ C1] ? mroute6_is_socket (net/ipv6/ip6mr.c:1703) [ 18.062030][ C1] ? ip6mr_fib_lookup (net/ipv6/ip6mr.c:158) [ 18.062032][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062033][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.062035][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062037][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 18.062038][ C1] ? neigh_hh_output (./include/net/neighbour.h:525) [ 18.062041][ C1] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 18.062043][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 18.062045][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062046][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.062048][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062050][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.062051][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 18.062053][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 18.062055][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 18.062057][ C1] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 18.062059][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.062061][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.062062][ C1] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 18.062064][ C1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 18.062065][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 18.062066][ C1] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 18.062069][ C1] 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:1890 (discriminator 4)) [ 18.062071][ C1] ? mld_dad_start_work (net/ipv6/mcast.c:1153) [ 18.062073][ C1] ? debug_object_deactivate (lib/debugobjects.c:951 (discriminator 3)) [ 18.062076][ C1] ? ip6_mc_add1_src (net/ipv6/mcast.c:2463) [ 18.062079][ C1] mld_dad_work (net/ipv6/mcast.c:2331) [ 18.062080][ C1] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 18.062083][ C1] process_one_work (kernel/workqueue.c:3387) [ 18.062085][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.062088][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.062090][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.062092][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.062094][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 18.062096][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.062098][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.062099][ C1] kthread (kernel/kthread.c:436) [ 18.062101][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.062102][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.062104][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.062107][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.062109][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.062111][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.062113][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.387064][ C1] softirqs last disabled at (685941): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.387066][ C1] Preemption disabled at: | [ 21.387067][ C1] 0x0 | [ 21.387077][ C1] Tainted: [W]=WARN [ 21.387078][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.387080][ C1] Call Trace: [ 21.387081][ C1] [ 21.387083][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.387089][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 21.387093][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.387096][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387099][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387101][ 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)) [ 21.387105][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.387108][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.387111][ 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) [ 21.387113][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.387115][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 21.387117][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.387119][ C1] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 21.387122][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.387126][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.387127][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.387129][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387130][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.387133][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.387135][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.387137][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387139][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387141][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387142][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.387144][ C1] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.387146][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.387154][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.387157][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.387159][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.387160][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.387162][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387164][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.387165][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.387166][ C1] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 21.387168][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.387170][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.387172][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 21.387175][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.387177][ C1] ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123) [ 21.387178][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387180][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.387182][ C1] _printk (kernel/printk/printk.c:2504) [ 21.387185][ C1] ? snapshot_read.cold (user.c:?) [ 21.387186][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 21.387191][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 21.387203][ C1] ? idr_get_free (??:?) [ 21.387205][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 21.387216][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 21.387224][ 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 [ 21.387233][ 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 [ 21.387239][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 21.387247][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.387249][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387251][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 21.387257][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387259][ C1] ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 21.387261][ C1] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 21.387266][ C1] ? fib_rules_unregister (net/core/fib_rules.c:189) [ 21.387270][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 21.387277][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387279][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 21.387285][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 21.387289][ C1] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 21.387292][ C1] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 21.387296][ C1] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 21.387297][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 21.387299][ C1] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 21.387301][ C1] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 21.387303][ C1] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 21.387305][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387307][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 21.387309][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.387311][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.387313][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 21.387315][ C1] ? ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 21.387318][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 21.387320][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.387321][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.387324][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 21.387326][ C1] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) [ 21.387328][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 21.387329][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387331][ C1] ? ipv6_gro_receive (net/ipv6/ip6_offload.c:231 (discriminator 5)) [ 21.387335][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.387337][ C1] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 21.387339][ C1] ? netif_receive_skb_list (net/core/dev.c:6551) [ 21.387341][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.387342][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387344][ C1] gro_cell_poll (net/core/gro_cells.c:76) [ 21.387348][ C1] __napi_poll (net/core/dev.c:7787) [ 21.387351][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.387353][ C1] ? __napi_poll (./include/net/gro.h:507) [ 21.387355][ 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) [ 21.387358][ C1] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 21.387360][ C1] ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 21.387364][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387366][ C1] handle_softirqs (kernel/softirq.c:645) [ 21.387368][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.387369][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.387371][ C1] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 21.387372][ C1] irq_exit_rcu (kernel/softirq.c:784) [ 21.387374][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 21.387376][ C1] [ 21.387377][ C1] [ 21.387377][ C1] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 21.387379][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 21.387381][ C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 21.387384][ C1] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 d2 f5 01 mov 0x1f5d294(%rip),%rdi # 0x1f5d29b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 93 95 00 sub 0x959358(%rip),%rax # 0x95936b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 86 11 00 verw 0x118613(%rip) # 0x11863b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 21.387386][ C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000246 [ 21.387389][ C1] RAX: 0000000000000001 RBX: ff11000001bea380 RCX: 0000000000000001 [ 21.387391][ C1] RDX: 0000000000000001 RSI: ffffffff9b48d860 RDI: ffffffff98cf0307 [ 21.387392][ C1] RBP: 0000000000000000 R08: ffffffff9b181421 R09: 1fe2200005d563a2 [ 21.387392][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc3 [ 21.387393][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 21.387394][ C1] ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124) [ 21.387396][ C1] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 21.387398][ C1] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 21.387400][ C1] default_idle_call (kernel/sched/idle.c:122) [ 21.387402][ C1] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 21.387403][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 21.387405][ C1] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 21.387407][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.387409][ C1] do_idle (kernel/sched/idle.c:355) [ 21.387411][ C1] cpu_startup_entry (kernel/sched/idle.c:454) [ 21.387412][ C1] start_secondary (arch/x86/kernel/smpboot.c:312) [ 21.387414][ C1] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 21.387416][ C1] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 28.146942][ T12] softirqs last disabled at (19128): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 28.146944][ T12] Preemption disabled at: | [ 28.146945][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.146956][ T12] Tainted: [W]=WARN [ 28.146957][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.146958][ T12] Workqueue: netns cleanup_net [ 28.146964][ T12] Call Trace: [ 28.146965][ T12] [ 28.146967][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.146971][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.146973][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 28.146977][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.146980][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.146984][ 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)) [ 28.146987][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.146990][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.146993][ 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) [ 28.146995][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.146996][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 28.146999][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 28.147000][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.147002][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 28.147005][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.147008][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.147009][ 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) [ 28.147011][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.147012][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147014][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147016][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.147018][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.147020][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.147022][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147024][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147025][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147027][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.147029][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 28.147031][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.147033][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.147035][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.147037][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.147039][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.147040][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147042][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.147043][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.147045][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 28.147047][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.147048][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.147050][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 28.147053][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.147054][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 28.147057][ T12] ? kthread (kernel/kthread.c:436) [ 28.147059][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 28.147062][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 28.147064][ T12] _printk (kernel/printk/printk.c:2504) [ 28.147067][ T12] ? snapshot_read.cold (user.c:?) [ 28.147069][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 28.147072][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 28.147073][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 28.147075][ T12] ? netdev_notice (net/core/dev.c:13194) [ 28.147077][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147079][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 28.147080][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 28.147082][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 28.147084][ 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) [ 28.147086][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 28.147089][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 28.147092][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 28.147104][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 28.147112][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 28.147119][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 28.147121][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 28.147123][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 28.147126][ T12] cleanup_net (net/core/net_namespace.c:706) [ 28.147128][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 28.147129][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 28.147132][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.147133][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.147135][ T12] process_one_work (kernel/workqueue.c:3387) [ 28.147138][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.147140][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.147141][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.147144][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.147147][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.147148][ T12] kthread (kernel/kthread.c:436) [ 28.147150][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.147151][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.147153][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.147155][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.147156][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.147159][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release: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 __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars