====================================== | [ 10.717912][ T187] softirqs last disabled at (46451): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.717915][ T187] Preemption disabled at: | [ 10.717915][ T187] 0x0 | [ 10.717926][ T187] Tainted: [W]=WARN [ 10.717927][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.717929][ T187] Call Trace: [ 10.717930][ T187] [ 10.717932][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.717939][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.717944][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.717949][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.717954][ T187] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.717956][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.717968][ T187] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.717971][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.717974][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.717977][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.717978][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.717983][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.717988][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.717994][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.717996][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.717999][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.718002][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.718006][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.718008][ T187] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.718011][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.718014][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.718018][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.718022][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.718024][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.718029][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.718032][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.718033][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.718036][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.718039][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.718041][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.718044][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.718048][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.718052][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.718055][ T187] _printk (kernel/printk/printk.c:2504) [ 10.718059][ T187] ? snapshot_read.cold (user.c:?) [ 10.718062][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.718065][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.718068][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.718071][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.718074][ T187] ? exit_notify (kernel/exit.c:780) [ 10.718076][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.718079][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.718083][ T187] do_group_exit (kernel/exit.c:1151) [ 10.718086][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.718088][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.718090][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.718093][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.718096][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.718099][ T187] RIP: 0033:0x7f81341931b8 [ 10.718101][ T187] Code: Unable to access opcode bytes at 0x7f813419318e. Code starting with the faulting instruction =========================================== [ 10.718102][ T187] RSP: 002b:00007fff0df26348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.718104][ T187] RAX: ffffffffffffffda RBX: 00007f81342c3f88 RCX: 00007f81341931b8 [ 10.718106][ T187] RDX: 00007f8133eddfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.718107][ T187] RBP: 00007fff0df263a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.718108][ T187] R10: 00007fff0df26160 R11: 0000000000000246 R12: 0000000000000001 [ 10.718108][ T187] R13: 0000000000000000 R14: 00007f81342c2680 R15: 00007f81342c3fa0 | [ 12.679878][ T267] softirqs last disabled at (16108): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.679880][ T267] Preemption disabled at: | [ 12.679881][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.679890][ T267] Tainted: [W]=WARN [ 12.679891][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.679893][ T267] Call Trace: [ 12.679895][ T267] [ 12.679896][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.679902][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.679904][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 12.679909][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.679913][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.679919][ T267] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.679921][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.679927][ T267] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.679930][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.679933][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 12.679936][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.679940][ T267] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.679944][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.679947][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.679949][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.679950][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.679954][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.679957][ T267] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.679960][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.679969][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.679974][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.679978][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.679979][ T267] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.679983][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.679985][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.679989][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.679993][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.679995][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.680001][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.680004][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.680005][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.680008][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.680011][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.680013][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.680017][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 12.680020][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.680023][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.680025][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.680029][ T267] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.680033][ T267] _printk (kernel/printk/printk.c:2504) [ 12.680037][ T267] ? snapshot_read.cold (user.c:?) [ 12.680040][ T267] ? br_multicast_flood (??:?) bridge [ 12.680054][ T267] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.680055][ T267] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.680056][ T267] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.680061][ T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.680071][ T267] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.680080][ T267] new_nbp (net/bridge/br_if.c:449) bridge [ 12.680090][ T267] br_add_if (net/bridge/br_if.c:592) bridge [ 12.680097][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.680101][ T267] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.680104][ T267] ? __kernel_text_address (kernel/extable.c:79) [ 12.680108][ T267] do_set_master (net/core/rtnetlink.c:3071) [ 12.680113][ T267] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.680116][ T267] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.680119][ T267] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.680121][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.680123][ T267] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.680127][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.680130][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.680131][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.680134][ T267] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.680137][ T267] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.680139][ T267] ? kasan_save_track (mm/kasan/common.c:78) [ 12.680142][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.680143][ T267] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 12.680147][ T267] ? ___sys_sendmsg (net/socket.c:2757) [ 12.680152][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.680154][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.680156][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.680159][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.680160][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.680162][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.680164][ T267] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.680169][ T267] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.680170][ T267] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.680173][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.680176][ T267] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.680178][ T267] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.680183][ T267] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.680188][ T267] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.680194][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.680196][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.680200][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.680202][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.680204][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.680206][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.680210][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.680212][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.680215][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.680217][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.680221][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.680223][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.680227][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.680228][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.680231][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.680238][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.680240][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.680244][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.680248][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.680251][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.680255][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.680259][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.680263][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.680268][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.680270][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.680273][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.680274][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 12.680282][ T267] ___sys_sendmsg (net/socket.c:2767) [ 12.680285][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.680301][ T267] __sys_sendmsg (net/socket.c:2799) [ 12.680304][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.680311][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.680315][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.680317][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.680320][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.680322][ T267] RIP: 0033:0x7f2ef8ead54e [ 12.680326][ T267] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.680328][ T267] RSP: 002b:00007fffbd593ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.680330][ T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2ef8ead54e [ 12.680332][ T267] RDX: 0000000000000000 RSI: 00007fffbd593f50 RDI: 0000000000000005 [ 12.680333][ T267] RBP: 00007fffbd593eb0 R08: 0000000000000000 R09: 0000000000000000 [ 12.680334][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b634 [ 12.680336][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbd594610 | [ 15.585903][ T363] softirqs last disabled at (12100): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.585905][ T363] Preemption disabled at: | [ 15.585906][ T363] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.585916][ T363] Tainted: [W]=WARN [ 15.585916][ T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.585918][ T363] Call Trace: [ 15.585920][ T363] [ 15.585921][ T363] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.585927][ T363] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.585929][ T363] __might_resched.cold (kernel/sched/core.c:9234) [ 15.585934][ T363] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.585939][ T363] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.585944][ T363] __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)) [ 15.585946][ T363] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.585952][ T363] ? 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) [ 15.585954][ T363] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.585958][ T363] put_chars (drivers/char/virtio_console.c:1176) [ 15.585960][ T363] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.585962][ T363] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.585965][ T363] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.585969][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.585972][ T363] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.585981][ T363] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.585984][ T363] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.585986][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.585987][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.585991][ T363] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.585993][ T363] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.585996][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.585999][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.586003][ T363] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.586007][ T363] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.586008][ T363] ? 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)) [ 15.586012][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.586014][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.586018][ T363] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.586022][ T363] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.586024][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.586029][ T363] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.586032][ T363] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.586033][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.586036][ T363] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.586039][ T363] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.586041][ T363] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.586044][ T363] vprintk_emit (kernel/printk/printk.c:2479) [ 15.586048][ T363] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.586051][ T363] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.586054][ T363] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.586057][ T363] _printk (kernel/printk/printk.c:2504) [ 15.586061][ T363] ? snapshot_read.cold (user.c:?) [ 15.586065][ T363] ? br_multicast_flood (??:?) bridge [ 15.586078][ T363] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.586080][ T363] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.586081][ T363] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.586085][ T363] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.586096][ T363] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.586105][ T363] new_nbp (net/bridge/br_if.c:449) bridge [ 15.586114][ T363] br_add_if (net/bridge/br_if.c:592) bridge [ 15.586121][ T363] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.586125][ T363] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.586128][ T363] ? __kernel_text_address (kernel/extable.c:79) [ 15.586132][ T363] do_set_master (net/core/rtnetlink.c:3071) [ 15.586137][ T363] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.586140][ T363] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.586143][ T363] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.586144][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.586146][ T363] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.586150][ T363] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.586152][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.586154][ T363] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.586156][ T363] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.586159][ T363] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.586161][ T363] ? kasan_save_track (mm/kasan/common.c:78) [ 15.586164][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.586165][ T363] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.586169][ T363] ? ___sys_sendmsg (net/socket.c:2757) [ 15.586173][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.586175][ T363] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.586178][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.586180][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.586181][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.586183][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.586186][ T363] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.586189][ T363] ? __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) [ 15.586192][ T363] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.586195][ T363] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.586198][ T363] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.586200][ T363] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.586205][ T363] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.586210][ T363] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.586215][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.586217][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.586221][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.586223][ T363] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.586225][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.586227][ T363] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.586231][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.586233][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.586236][ T363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.586237][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.586242][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.586243][ T363] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.586247][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.586249][ T363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.586251][ T363] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.586257][ T363] ? 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)) [ 15.586259][ T363] ? 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)) [ 15.586263][ T363] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.586267][ T363] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.586269][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.586273][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.586277][ T363] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.586281][ T363] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.586286][ T363] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.586288][ T363] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.586290][ T363] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.586292][ T363] ? move_addr_to_kernel (net/socket.c:258) [ 15.586299][ T363] ___sys_sendmsg (net/socket.c:2767) [ 15.586302][ T363] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.586318][ T363] __sys_sendmsg (net/socket.c:2799) [ 15.586320][ T363] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.586326][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.586330][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.586332][ T363] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.586338][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.586340][ T363] RIP: 0033:0x7fe6419de54e [ 15.586344][ T363] 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 [ 15.586345][ T363] RSP: 002b:00007ffda82c7790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.586348][ T363] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe6419de54e [ 15.586350][ T363] RDX: 0000000000000000 RSI: 00007ffda82c7840 RDI: 0000000000000005 [ 15.586351][ T363] RBP: 00007ffda82c77a0 R08: 0000000000000000 R09: 0000000000000000 [ 15.586352][ T363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b637 [ 15.586352][ T363] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda82c7f00 | [ 17.649325][ C2] | [ 17.649325][ C2] | [ 17.649325][ C2] stack backtrace: | [ 17.649332][ C2] Tainted: [W]=WARN [ 17.649333][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.649335][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 17.649339][ C2] Call Trace: [ 17.649340][ C2] [ 17.649342][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.649346][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.649349][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.649352][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 17.649354][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 17.649356][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.649358][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.649360][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.649362][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649366][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649368][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.649369][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.649371][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.649373][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.649375][ 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)) [ 17.649377][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649379][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649381][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.649383][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.649385][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.649387][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.649389][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.649390][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649392][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.649394][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.649396][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.649398][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 17.649400][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.649402][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649405][ C2] _printk (kernel/printk/printk.c:2504) [ 17.649406][ C2] ? snapshot_read.cold (user.c:?) [ 17.649408][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.649411][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.649419][ C2] ? idr_get_free (??:?) [ 17.649422][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.649430][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.649437][ 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 [ 17.649446][ 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 [ 17.649455][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.649462][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.649469][ C2] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 17.649472][ C2] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 17.649478][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.649486][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.649493][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.649496][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649499][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 17.649501][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.649503][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.649505][ C2] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.649506][ C2] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.649509][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.649511][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649513][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.649515][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.649517][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.649519][ 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)) [ 17.649522][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649524][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.649526][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.649527][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.649529][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649530][ C2] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 17.649532][ C2] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 17.649533][ C2] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 17.649535][ C2] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 17.649537][ C2] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 17.649540][ C2] __napi_poll (net/core/dev.c:7787) [ 17.649542][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.649545][ C2] ? __napi_poll (./include/net/gro.h:507) [ 17.649547][ C2] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 17.649550][ C2] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 17.649554][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.649556][ C2] handle_softirqs (kernel/softirq.c:645) [ 17.649558][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.649560][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649561][ C2] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22)) [ 17.649565][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.649566][ C2] [ 17.649567][ C2] [ 17.649568][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.649569][ C2] __fib6_clean_all (./include/linux/spinlock.h:407 net/ipv6/ip6_fib.c:2326) [ 17.649571][ C2] ? __fib6_clean_all (net/ipv6/ip6_fib.c:2322 (discriminator 13)) [ 17.649573][ C2] addrconf_dad_completed (./include/net/net_namespace.h:564 net/ipv6/addrconf.c:4410) [ 17.649575][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.649577][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 17.649579][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649580][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.649582][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.649584][ C2] ? addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 17.649586][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 17.649588][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 17.649590][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649592][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649594][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649596][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649598][ C2] process_one_work (kernel/workqueue.c:3387) [ 17.649601][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.649603][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.649607][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.649609][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.649611][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.649612][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.649614][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.649616][ C2] kthread (kernel/kthread.c:436) [ 17.649617][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.649620][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.649622][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.649623][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.649625][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.649628][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.649629][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.649649][ C2] softirqs last disabled at (34409): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 17.649651][ C2] Preemption disabled at: | [ 17.649652][ C2] 0x0 | [ 17.649657][ C2] Tainted: [W]=WARN [ 17.649657][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.649658][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 17.649660][ C2] Call Trace: [ 17.649661][ C2] [ 17.649661][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.649664][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 17.649667][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.649670][ C2] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 17.649672][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649674][ 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)) [ 17.649676][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.649678][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.649679][ 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) [ 17.649681][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.649683][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 17.649685][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.649687][ C2] ? mark_lock (kernel/locking/lockdep.c:4769) [ 17.649689][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.649692][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.649694][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649696][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.649699][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.649700][ 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)) [ 17.649703][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649704][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649706][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.649709][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.649711][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.649713][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.649715][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.649717][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649718][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.649721][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.649722][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.649724][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 17.649726][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.649729][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649731][ C2] _printk (kernel/printk/printk.c:2504) [ 17.649733][ C2] ? snapshot_read.cold (user.c:?) [ 17.649734][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.649736][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.649743][ C2] ? idr_get_free (??:?) [ 17.649746][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.649755][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.649761][ 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 [ 17.649768][ 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 [ 17.649776][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.649783][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.649790][ C2] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 17.649792][ C2] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 17.649797][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.649805][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.649811][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.649815][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649817][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 17.649818][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.649820][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.649822][ C2] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.649824][ C2] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.649826][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.649827][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649829][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.649832][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.649834][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.649836][ 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)) [ 17.649838][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649840][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.649842][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.649843][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.649845][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649847][ C2] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 17.649849][ C2] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 17.649850][ C2] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 17.649853][ C2] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 17.649854][ C2] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 17.649857][ C2] __napi_poll (net/core/dev.c:7787) [ 17.649859][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.649862][ C2] ? __napi_poll (./include/net/gro.h:507) [ 17.649864][ C2] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 17.649866][ C2] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 17.649869][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.649871][ C2] handle_softirqs (kernel/softirq.c:645) [ 17.649873][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.649874][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649876][ C2] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22)) [ 17.649878][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.649880][ C2] [ 17.649880][ C2] [ 17.649881][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.649882][ C2] __fib6_clean_all (./include/linux/spinlock.h:407 net/ipv6/ip6_fib.c:2326) [ 17.649885][ C2] ? __fib6_clean_all (net/ipv6/ip6_fib.c:2322 (discriminator 13)) [ 17.649887][ C2] addrconf_dad_completed (./include/net/net_namespace.h:564 net/ipv6/addrconf.c:4410) [ 17.649889][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.649890][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 17.649892][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.649894][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.649895][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.649897][ C2] ? addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 17.649899][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 17.649902][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 17.649904][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649905][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649907][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649909][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649911][ C2] process_one_work (kernel/workqueue.c:3387) [ 17.649914][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.649916][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.649919][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.649921][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.649923][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.649924][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.649926][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.649928][ C2] kthread (kernel/kthread.c:436) [ 17.649930][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.649932][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.649934][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.649936][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.649938][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.649940][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.649942][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 33.785273][ T68] softirqs last disabled at (34409): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 33.785277][ T68] Preemption disabled at: | [ 33.785278][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.785288][ T68] Tainted: [W]=WARN [ 33.785289][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.785291][ T68] Workqueue: netns cleanup_net [ 33.785296][ T68] Call Trace: [ 33.785298][ T68] [ 33.785299][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.785305][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.785307][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 33.785311][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.785314][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785318][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.785322][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.785324][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.785328][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.785330][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.785332][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 33.785334][ T68] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 33.785337][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.785340][ T68] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 33.785342][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.785345][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.785346][ T68] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 33.785348][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.785350][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785352][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785354][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.785356][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.785358][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.785360][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785362][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785364][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785365][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.785367][ T68] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.785369][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.785372][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.785374][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.785376][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.785378][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.785379][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785381][ T68] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.785382][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.785384][ T68] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.785386][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.785388][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.785390][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 33.785392][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.785394][ T68] ? process_one_work (kernel/workqueue.c:3387) [ 33.785397][ T68] ? kthread (kernel/kthread.c:436) [ 33.785398][ T68] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 33.785401][ T68] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 33.785403][ T68] _printk (kernel/printk/printk.c:2504) [ 33.785407][ T68] ? snapshot_read.cold (user.c:?) [ 33.785409][ T68] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.785412][ T68] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.785414][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.785416][ T68] ? netdev_notice (net/core/dev.c:13194) [ 33.785418][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785420][ T68] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 33.785421][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.785424][ T68] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 33.785425][ T68] ? 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) [ 33.785428][ T68] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 33.785430][ T68] dev_set_allmulti (net/core/dev_api.c:315) [ 33.785433][ T68] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 33.785447][ T68] br_dev_delete (net/bridge/br_if.c:387) bridge [ 33.785455][ T68] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 33.785462][ T68] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 33.785464][ T68] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 33.785466][ T68] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 33.785470][ T68] cleanup_net (net/core/net_namespace.c:706) [ 33.785472][ T68] ? net_passive_dec (./include/linux/llist.h:241) [ 33.785474][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.785476][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.785478][ T68] process_one_work (kernel/workqueue.c:3387) [ 33.785481][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.785483][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.785485][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.785488][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.785490][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.785491][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 33.785493][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.785495][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.785497][ T68] kthread (kernel/kthread.c:436) [ 33.785498][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.785500][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.785502][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.785503][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.785505][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.785508][ T68] ? 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 do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print