====================================== | [ 10.487362][ T188] softirqs last disabled at (36353): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.487364][ T188] Preemption disabled at: | [ 10.487365][ T188] 0x0 | [ 10.487375][ T188] Tainted: [W]=WARN [ 10.487376][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.487378][ T188] Call Trace: [ 10.487380][ T188] [ 10.487381][ T188] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.487388][ T188] __might_resched.cold (kernel/sched/core.c:9234) [ 10.487392][ T188] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.487396][ T188] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.487402][ T188] __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)) [ 10.487404][ T188] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.487410][ T188] ? 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) [ 10.487413][ T188] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.487416][ T188] put_chars (drivers/char/virtio_console.c:1176) [ 10.487419][ T188] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.487420][ T188] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.487425][ T188] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.487430][ T188] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.487437][ T188] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.487439][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.487441][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.487445][ T188] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.487449][ T188] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.487451][ T188] ? 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)) [ 10.487454][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.487457][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.487461][ T188] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.487465][ T188] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.487467][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.487472][ T188] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.487475][ T188] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.487476][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.487479][ T188] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.487483][ T188] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.487484][ T188] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.487488][ T188] vprintk_emit (kernel/printk/printk.c:2479) [ 10.487492][ T188] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.487495][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.487499][ T188] _printk (kernel/printk/printk.c:2504) [ 10.487502][ T188] ? snapshot_read.cold (user.c:?) [ 10.487505][ T188] ? 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) [ 10.487508][ T188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.487512][ T188] ? 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) [ 10.487514][ T188] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.487518][ T188] ? exit_notify (kernel/exit.c:780) [ 10.487520][ T188] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.487523][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.487527][ T188] do_group_exit (kernel/exit.c:1151) [ 10.487530][ T188] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.487532][ T188] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.487534][ T188] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.487537][ T188] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.487540][ T188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.487542][ T188] RIP: 0033:0x7f3205a2e1b8 [ 10.487545][ T188] Code: Unable to access opcode bytes at 0x7f3205a2e18e. Code starting with the faulting instruction =========================================== [ 10.487546][ T188] RSP: 002b:00007ffcae725d08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.487548][ T188] RAX: ffffffffffffffda RBX: 00007f3205b5ef88 RCX: 00007f3205a2e1b8 [ 10.487550][ T188] RDX: 00007f3205778fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.487551][ T188] RBP: 00007ffcae725d60 R08: 0000000000000000 R09: 0000000000008010 [ 10.487552][ T188] R10: 00007ffcae725b20 R11: 0000000000000246 R12: 0000000000000001 [ 10.487552][ T188] R13: 0000000000000000 R14: 00007f3205b5d680 R15: 00007f3205b5efa0 | [ 12.779793][ T266] softirqs last disabled at (14979): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.779796][ T266] Preemption disabled at: | [ 12.779797][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.779809][ T266] Tainted: [W]=WARN [ 12.779810][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.779813][ T266] Call Trace: [ 12.779815][ T266] [ 12.779817][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.779824][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.779827][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 12.779833][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.779839][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.779846][ T266] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.779850][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.779858][ T266] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.779864][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.779870][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 12.779874][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.779882][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.779887][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.779892][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.779894][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.779897][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.779903][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.779907][ T266] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.779917][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.779922][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.779929][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.779935][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.779937][ T266] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.779943][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.779946][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.779953][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.779960][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.779962][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.779971][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.779976][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.779978][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.779982][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.779988][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.779991][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.779996][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 12.780002][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.780006][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.780008][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.780014][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.780020][ T266] _printk (kernel/printk/printk.c:2504) [ 12.780025][ T266] ? snapshot_read.cold (user.c:?) [ 12.780031][ T266] ? br_multicast_flood (??:?) bridge [ 12.780048][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.780051][ T266] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.780053][ T266] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.780060][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.780077][ T266] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.780091][ T266] new_nbp (net/bridge/br_if.c:449) bridge [ 12.780106][ T266] br_add_if (net/bridge/br_if.c:592) bridge [ 12.780118][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.780124][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.780128][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 12.780135][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 12.780143][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.780148][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.780153][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.780155][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.780158][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.780163][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.780167][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.780170][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.780175][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.780178][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.780181][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 12.780185][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.780188][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.780192][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 12.780200][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.780203][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.780207][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.780211][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.780213][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.780215][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.780219][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.780225][ T266] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.780227][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.780231][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.780237][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.780239][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.780248][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.780257][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.780267][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.780270][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.780278][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.780281][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.780284][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.780287][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.780294][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.780297][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.780302][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.780304][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.780312][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.780315][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.780321][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.780324][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.780329][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.780340][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.780342][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.780350][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.780356][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.780361][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.780368][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.780374][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.780381][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.780389][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.780393][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.780396][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.780398][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 12.780411][ T266] ___sys_sendmsg (net/socket.c:2767) [ 12.780416][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.780444][ T266] __sys_sendmsg (net/socket.c:2799) [ 12.780449][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.780459][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.780465][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.780469][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.780474][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.780477][ T266] RIP: 0033:0x7ff2ab32b54e [ 12.780481][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.780484][ T266] RSP: 002b:00007ffc97e6ada0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.780488][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff2ab32b54e [ 12.780490][ T266] RDX: 0000000000000000 RSI: 00007ffc97e6ae50 RDI: 0000000000000005 [ 12.780491][ T266] RBP: 00007ffc97e6adb0 R08: 0000000000000000 R09: 0000000000000000 [ 12.780493][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910e67 [ 12.780494][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97e6b510 | [ 16.000250][ T371] softirqs last disabled at (12792): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 16.000252][ T371] Preemption disabled at: | [ 16.000253][ T371] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.000262][ T371] Tainted: [W]=WARN [ 16.000263][ T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.000265][ T371] Call Trace: [ 16.000267][ T371] [ 16.000268][ T371] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.000274][ T371] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.000276][ T371] __might_resched.cold (kernel/sched/core.c:9234) [ 16.000281][ T371] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.000285][ T371] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.000290][ T371] __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)) [ 16.000293][ T371] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.000298][ T371] ? 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) [ 16.000301][ T371] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.000304][ T371] put_chars (drivers/char/virtio_console.c:1176) [ 16.000306][ T371] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 16.000308][ T371] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.000311][ T371] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.000315][ T371] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.000318][ T371] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.000322][ T371] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.000324][ T371] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.000326][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.000328][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.000332][ T371] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.000334][ T371] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.000337][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.000339][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.000343][ T371] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.000347][ T371] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.000349][ T371] ? 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)) [ 16.000352][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.000354][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.000358][ T371] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.000362][ T371] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.000364][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.000369][ T371] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.000372][ T371] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.000373][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.000376][ T371] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.000379][ T371] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.000381][ T371] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.000386][ T371] vprintk_emit (kernel/printk/printk.c:2479) [ 16.000392][ T371] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.000395][ T371] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.000399][ T371] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.000404][ T371] _printk (kernel/printk/printk.c:2504) [ 16.000409][ T371] ? snapshot_read.cold (user.c:?) [ 16.000414][ T371] ? br_multicast_flood (??:?) bridge [ 16.000431][ T371] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.000432][ T371] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.000433][ T371] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.000438][ T371] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 16.000448][ T371] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 16.000456][ T371] new_nbp (net/bridge/br_if.c:449) bridge [ 16.000465][ T371] br_add_if (net/bridge/br_if.c:592) bridge [ 16.000472][ T371] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 16.000476][ T371] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 16.000479][ T371] ? __kernel_text_address (kernel/extable.c:79) [ 16.000482][ T371] do_set_master (net/core/rtnetlink.c:3071) [ 16.000487][ T371] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.000490][ T371] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.000493][ T371] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.000494][ T371] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.000496][ T371] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.000500][ T371] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.000502][ T371] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.000504][ T371] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.000507][ T371] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.000509][ T371] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.000511][ T371] ? kasan_save_track (mm/kasan/common.c:78) [ 16.000514][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.000515][ T371] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 16.000518][ T371] ? ___sys_sendmsg (net/socket.c:2757) [ 16.000523][ T371] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.000525][ T371] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.000527][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.000529][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.000531][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.000532][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.000535][ T371] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.000539][ T371] ? __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) [ 16.000542][ T371] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.000544][ T371] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.000547][ T371] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.000549][ T371] ? nla_get_range_signed (lib/nlattr.c:270) [ 16.000554][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.000558][ T371] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.000563][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.000565][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.000570][ T371] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.000571][ T371] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.000573][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.000575][ T371] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.000579][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.000580][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.000583][ T371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.000585][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.000589][ T371] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.000591][ T371] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.000594][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.000596][ T371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.000598][ T371] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.000604][ T371] ? 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)) [ 16.000606][ T371] ? 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)) [ 16.000610][ T371] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.000613][ T371] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.000616][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.000620][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.000623][ T371] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.000627][ T371] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.000633][ T371] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.000635][ T371] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.000637][ T371] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.000638][ T371] ? move_addr_to_kernel (net/socket.c:258) [ 16.000645][ T371] ___sys_sendmsg (net/socket.c:2767) [ 16.000648][ T371] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.000663][ T371] __sys_sendmsg (net/socket.c:2799) [ 16.000666][ T371] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.000672][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.000676][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.000678][ T371] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.000681][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.000684][ T371] RIP: 0033:0x7f5e3ab0054e [ 16.000687][ T371] 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 [ 16.000689][ T371] RSP: 002b:00007ffd07c8e8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.000692][ T371] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5e3ab0054e [ 16.000694][ T371] RDX: 0000000000000000 RSI: 00007ffd07c8e980 RDI: 0000000000000005 [ 16.000695][ T371] RBP: 00007ffd07c8e8e0 R08: 0000000000000000 R09: 0000000000000000 [ 16.000696][ T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910e6a [ 16.000696][ T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd07c8f040 | [ 17.969082][ C2] | [ 17.969082][ C2] | [ 17.969082][ C2] stack backtrace: | [ 17.969089][ C2] Tainted: [W]=WARN [ 17.969090][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.969092][ C2] Workqueue: mld mld_ifc_work [ 17.969095][ C2] Call Trace: [ 17.969096][ C2] [ 17.969097][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.969102][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.969104][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.969107][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 17.969109][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 17.969110][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.969112][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969114][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.969116][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.969120][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.969121][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.969123][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.969125][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.969127][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.969129][ 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)) [ 17.969131][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.969132][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.969134][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.969136][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.969138][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.969140][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.969142][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.969144][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.969145][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.969147][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.969149][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.969151][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 17.969153][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.969155][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.969157][ C2] _printk (kernel/printk/printk.c:2504) [ 17.969159][ C2] ? snapshot_read.cold (user.c:?) [ 17.969161][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.969164][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.969171][ C2] ? idr_get_free (??:?) [ 17.969173][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.969180][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.969187][ 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 [ 17.969195][ 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 [ 17.969202][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.969208][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.969210][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.969216][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969217][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.969219][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.969221][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.969227][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.969234][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.969236][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.969241][ C2] ? __udp6_lib_lookup (net/ipv6/udp.c:392) [ 17.969244][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 17.969245][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.969247][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.969251][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.969252][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.969254][ C2] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.969255][ C2] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.969258][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.969261][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.969262][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969264][ 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)) [ 17.969266][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.969268][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.969270][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.969271][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.969273][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.969275][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.969277][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.969279][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 17.969281][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.969283][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 17.969285][ C2] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 17.969287][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 17.969289][ C2] __napi_poll (net/core/dev.c:7787) [ 17.969292][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.969294][ 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) [ 17.969296][ C2] ? __napi_poll (./include/net/gro.h:507) [ 17.969297][ C2] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 17.969300][ C2] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 17.969302][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.969304][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.969306][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 17.969309][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.969311][ C2] handle_softirqs (kernel/softirq.c:645) [ 17.969313][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.969314][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.969316][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.969318][ C2] [ 17.969318][ C2] [ 17.969319][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.969320][ C2] __alloc_skb (./include/linux/bottom_half.h:33 (discriminator 2) net/core/skbuff.c:699 (discriminator 2)) [ 17.969322][ C2] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) [ 17.969324][ C2] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1)) [ 17.969325][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.969327][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.969329][ C2] mld_newpack (./include/linux/skbuff.h:1384 net/ipv6/mcast.c:1790) [ 17.969331][ C2] ? mld_sendpack (./include/linux/skbuff.h:1165) [ 17.969332][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969334][ C2] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.969336][ C2] ? add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.969337][ C2] add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.969339][ C2] add_grec (./include/linux/lockdep.h:249 net/ipv4/igmp.c:556) [ 17.969341][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.969342][ C2] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.969344][ C2] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.969346][ C2] ? add_grhead (net/ipv4/igmp.c:511) [ 17.969349][ C2] mld_send_cr (net/ipv6/mcast.c:2165) [ 17.969351][ C2] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.969352][ C2] mld_ifc_work (net/ipv6/mcast.c:2711) [ 17.969354][ C2] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 17.969355][ C2] process_one_work (kernel/workqueue.c:3387) [ 17.969358][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.969360][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969363][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.969365][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.969366][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.969368][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.969370][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.969372][ C2] kthread (kernel/kthread.c:436) [ 17.969373][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.969376][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.969377][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.969379][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.969381][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.969383][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.969385][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.969404][ C2] softirqs last disabled at (24761): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 17.969405][ C2] Preemption disabled at: | [ 17.969406][ C2] __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 17.969411][ C2] Tainted: [W]=WARN [ 17.969411][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.969412][ C2] Workqueue: mld mld_ifc_work [ 17.969414][ C2] Call Trace: [ 17.969414][ C2] [ 17.969415][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.969417][ C2] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) [ 17.969419][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 17.969422][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.969425][ C2] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 17.969427][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.969429][ 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)) [ 17.969430][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.969432][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.969433][ 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) [ 17.969435][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.969437][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 17.969439][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.969440][ C2] ? mark_lock (kernel/locking/lockdep.c:4769) [ 17.969442][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.969445][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.969446][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.969448][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.969450][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.969452][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.969453][ 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)) [ 17.969455][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.969457][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.969459][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.969461][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.969463][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.969465][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.969467][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.969468][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.969470][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.969472][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.969473][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.969475][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 17.969477][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.969479][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.969481][ C2] _printk (kernel/printk/printk.c:2504) [ 17.969483][ C2] ? snapshot_read.cold (user.c:?) [ 17.969484][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.969486][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.969493][ C2] ? idr_get_free (??:?) [ 17.969495][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.969502][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.969509][ 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 [ 17.969515][ 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 [ 17.969522][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.969528][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.969530][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.969536][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969537][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.969539][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.969541][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.969547][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.969554][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.969556][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.969560][ C2] ? __udp6_lib_lookup (net/ipv6/udp.c:392) [ 17.969561][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 17.969563][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.969565][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.969568][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.969569][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.969571][ C2] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.969572][ C2] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.969574][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.969577][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.969579][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969580][ 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)) [ 17.969582][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.969584][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.969586][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.969588][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.969590][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.969591][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.969593][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.969595][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 17.969597][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.969598][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 17.969600][ C2] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 17.969602][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 17.969605][ C2] __napi_poll (net/core/dev.c:7787) [ 17.969607][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.969609][ 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) [ 17.969611][ C2] ? __napi_poll (./include/net/gro.h:507) [ 17.969612][ C2] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 17.969614][ C2] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 17.969616][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.969617][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.969620][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 17.969621][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.969623][ C2] handle_softirqs (kernel/softirq.c:645) [ 17.969625][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.969626][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.969628][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.969629][ C2] [ 17.969630][ C2] [ 17.969630][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.969632][ C2] __alloc_skb (./include/linux/bottom_half.h:33 (discriminator 2) net/core/skbuff.c:699 (discriminator 2)) [ 17.969634][ C2] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) [ 17.969635][ C2] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1)) [ 17.969637][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.969638][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.969640][ C2] mld_newpack (./include/linux/skbuff.h:1384 net/ipv6/mcast.c:1790) [ 17.969642][ C2] ? mld_sendpack (./include/linux/skbuff.h:1165) [ 17.969644][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969645][ C2] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.969648][ C2] ? add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.969649][ C2] add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.969651][ C2] add_grec (./include/linux/lockdep.h:249 net/ipv4/igmp.c:556) [ 17.969653][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.969654][ C2] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.969656][ C2] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.969657][ C2] ? add_grhead (net/ipv4/igmp.c:511) [ 17.969660][ C2] mld_send_cr (net/ipv6/mcast.c:2165) [ 17.969662][ C2] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.969663][ C2] mld_ifc_work (net/ipv6/mcast.c:2711) [ 17.969665][ C2] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 17.969666][ C2] process_one_work (kernel/workqueue.c:3387) [ 17.969669][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.969672][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.969675][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.969677][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.969679][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.969680][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.969682][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.969683][ C2] kthread (kernel/kthread.c:436) [ 17.969685][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.969686][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.969688][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.969689][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.969691][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.969692][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.969694][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.080875][ T12] softirqs last disabled at (31579): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 29.080877][ T12] Preemption disabled at: | [ 29.080878][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.080888][ T12] Tainted: [W]=WARN [ 29.080889][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.080891][ T12] Workqueue: netns cleanup_net [ 29.080897][ T12] Call Trace: [ 29.080899][ T12] [ 29.080900][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.080905][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.080907][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 29.080911][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.080914][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.080918][ 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)) [ 29.080921][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.080924][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.080927][ 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) [ 29.080929][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.080931][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 29.080932][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 29.080934][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.080936][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 29.080938][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.080942][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.080943][ 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) [ 29.080944][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.080946][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.080947][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.080949][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.080951][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.080953][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.080955][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.080957][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.080958][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.080960][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.080962][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 29.080963][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.080966][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.080974][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.080976][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.080978][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.080980][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.080983][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.080984][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.080986][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 29.080989][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.080991][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.080993][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 29.080997][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.080999][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 29.081002][ T12] ? kthread (kernel/kthread.c:436) [ 29.081004][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 29.081007][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 29.081011][ T12] _printk (kernel/printk/printk.c:2504) [ 29.081015][ T12] ? snapshot_read.cold (user.c:?) [ 29.081017][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.081020][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.081021][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.081023][ T12] ? netdev_notice (net/core/dev.c:13194) [ 29.081025][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.081027][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 29.081028][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 29.081031][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 29.081032][ 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) [ 29.081035][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 29.081037][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 29.081040][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 29.081053][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 29.081060][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 29.081067][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 29.081069][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 29.081071][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 29.081074][ T12] cleanup_net (net/core/net_namespace.c:706) [ 29.081076][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 29.081078][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.081080][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.081082][ T12] process_one_work (kernel/workqueue.c:3387) [ 29.081085][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.081086][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.081088][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.081091][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.081094][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.081095][ T12] kthread (kernel/kthread.c:436) [ 29.081097][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.081098][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.081100][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.081101][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.081103][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.081105][ 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 do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:__alloc_skb:dump_stack_lvl:__kmalloc_noprof:put_chars