====================================== | [ 10.132109][ T196] softirqs last disabled at (16972): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.132112][ T196] Preemption disabled at: | [ 10.132112][ T196] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.132121][ T196] Tainted: [W]=WARN [ 10.132122][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.132124][ T196] Call Trace: [ 10.132126][ T196] [ 10.132127][ T196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.132133][ T196] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.132135][ T196] __might_resched.cold (kernel/sched/core.c:9234) [ 10.132139][ T196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.132143][ T196] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.132149][ T196] __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)) [ 10.132152][ T196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.132158][ T196] ? 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) [ 10.132161][ T196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.132164][ T196] put_chars (drivers/char/virtio_console.c:1176) [ 10.132167][ T196] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.132169][ T196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.132172][ T196] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.132178][ T196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.132187][ T196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.132189][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.132193][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.132197][ T196] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.132200][ T196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.132204][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.132206][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.132211][ T196] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.132215][ T196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.132216][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.132222][ T196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.132224][ T196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.132226][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.132228][ T196] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.132232][ T196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.132234][ T196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.132237][ T196] vprintk_emit (kernel/printk/printk.c:2479) [ 10.132240][ T196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.132242][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.132244][ T196] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.132250][ T196] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.132254][ T196] _printk (kernel/printk/printk.c:2504) [ 10.132258][ T196] ? snapshot_read.cold (user.c:?) [ 10.132262][ T196] ? br_multicast_flood (??:?) [ 10.132265][ T196] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.132267][ T196] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.132269][ T196] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.132274][ T196] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.132278][ T196] br_init_port (net/bridge/br_stp_if.c:39) [ 10.132280][ T196] new_nbp (net/bridge/br_if.c:449) [ 10.132284][ T196] br_add_if (net/bridge/br_if.c:592) [ 10.132288][ T196] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.132293][ T196] do_set_master (net/core/rtnetlink.c:3071) [ 10.132298][ T196] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.132302][ T196] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.132305][ T196] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.132307][ T196] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.132310][ T196] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.132314][ T196] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.132316][ T196] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.132318][ T196] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.132321][ T196] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.132323][ T196] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.132324][ T196] ? kasan_save_track (mm/kasan/common.c:78) [ 10.132327][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.132329][ T196] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 10.132332][ T196] ? ___sys_sendmsg (net/socket.c:2757) [ 10.132336][ T196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.132338][ T196] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.132341][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.132343][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.132345][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.132346][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.132348][ T196] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.132351][ T196] ? __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) [ 10.132352][ T196] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.132355][ T196] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.132358][ T196] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.132360][ T196] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.132366][ T196] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.132372][ T196] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.132378][ T196] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.132381][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.132386][ T196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.132388][ T196] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.132391][ T196] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.132393][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.132397][ T196] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.132400][ T196] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.132403][ T196] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.132405][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.132410][ T196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.132412][ T196] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.132416][ T196] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.132418][ T196] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.132422][ T196] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.132429][ T196] ? 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)) [ 10.132431][ T196] ? 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)) [ 10.132436][ T196] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.132440][ T196] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.132443][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.132448][ T196] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.132452][ T196] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.132457][ T196] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.132463][ T196] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.132465][ T196] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.132467][ T196] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.132469][ T196] ? move_addr_to_kernel (net/socket.c:258) [ 10.132477][ T196] ___sys_sendmsg (net/socket.c:2767) [ 10.132480][ T196] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.132496][ T196] __sys_sendmsg (net/socket.c:2799) [ 10.132499][ T196] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.132505][ T196] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 10.132509][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.132512][ T196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.132514][ T196] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.132518][ T196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.132520][ T196] RIP: 0033:0x7fc8d59dc54e [ 10.132524][ T196] 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 [ 10.132526][ T196] RSP: 002b:00007ffee6984200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.132529][ T196] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc8d59dc54e [ 10.132530][ T196] RDX: 0000000000000000 RSI: 00007ffee69842b0 RDI: 0000000000000005 [ 10.132531][ T196] RBP: 00007ffee6984210 R08: 0000000000000000 R09: 0000000000000000 [ 10.132532][ T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917fc6 [ 10.132533][ T196] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee6984980 | [ 14.314717][ T39] softirqs last disabled at (69126): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 14.314720][ T39] Preemption disabled at: | [ 14.314721][ T39] 0x0 | [ 14.314732][ T39] Tainted: [W]=WARN [ 14.314733][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.314735][ T39] Workqueue: events_unbound linkwatch_event [ 14.314738][ T39] Call Trace: [ 14.314741][ T39] [ 14.314743][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.314749][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 14.314754][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.314758][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.314764][ T39] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.314767][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.314774][ T39] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.314776][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.314780][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 14.314783][ T39] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.314785][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.314787][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.314791][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.314798][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.314806][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.314809][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.314811][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.314816][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.314820][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.314824][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.314826][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.314831][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.314835][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.314836][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.314842][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.314845][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.314846][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.314849][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.314853][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.314855][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.314858][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 14.314862][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.314864][ T39] ? fib6_ifup (net/ipv6/route.c:4905) [ 14.314867][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.314869][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.314871][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.314876][ T39] _printk (kernel/printk/printk.c:2504) [ 14.314880][ T39] ? snapshot_read.cold (user.c:?) [ 14.314883][ T39] ? down_read_nested (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2629 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3224 kernel/locking/rwsem.c:177 kernel/locking/rwsem.c:182 kernel/locking/rwsem.c:257 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.314890][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.314894][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 14.314898][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 14.314902][ T39] br_device_event (net/bridge/br.c:101) [ 14.314905][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.314912][ T39] notifier_call_chain (kernel/notifier.c:85) [ 14.314919][ T39] netif_state_change (net/core/dev.c:1625) [ 14.314922][ T39] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 14.314927][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.314931][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 14.314934][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 14.314936][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 14.314940][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.314943][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.314948][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 14.314951][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 14.314955][ T39] process_one_work (kernel/workqueue.c:3387) [ 14.314962][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.314965][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.314973][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.314980][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.314982][ T39] kthread (kernel/kthread.c:436) [ 14.314985][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.314989][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.314992][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.314997][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.315001][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.315004][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.315007][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.361441][ T37] softirqs last disabled at (37906): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 15.361444][ T37] Preemption disabled at: | [ 15.361444][ T37] 0x0 | [ 15.361455][ T37] Tainted: [W]=WARN [ 15.361456][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.361458][ T37] Workqueue: events_unbound linkwatch_event [ 15.361461][ T37] Call Trace: [ 15.361463][ T37] [ 15.361465][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.361471][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 15.361476][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.361479][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.361485][ T37] __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)) [ 15.361488][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.361494][ T37] ? 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) [ 15.361496][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.361500][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 15.361502][ T37] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.361505][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.361507][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.361511][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.361517][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.361524][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.361527][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.361530][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.361534][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.361538][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.361542][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.361544][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.361548][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.361552][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.361554][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.361559][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.361562][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.361563][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.361565][ T37] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.361569][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.361571][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.361574][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 15.361578][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.361579][ T37] ? fib6_ifup (net/ipv6/route.c:4905) [ 15.361582][ T37] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.361584][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.361586][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.361591][ T37] _printk (kernel/printk/printk.c:2504) [ 15.361594][ T37] ? snapshot_read.cold (user.c:?) [ 15.361597][ T37] ? down_read_nested (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2629 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3224 kernel/locking/rwsem.c:177 kernel/locking/rwsem.c:182 kernel/locking/rwsem.c:257 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.361613][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 15.361620][ T37] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 15.361623][ T37] br_port_carrier_check (net/bridge/br_if.c:95) [ 15.361627][ T37] br_device_event (net/bridge/br.c:101) [ 15.361630][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.361636][ T37] notifier_call_chain (kernel/notifier.c:85) [ 15.361643][ T37] netif_state_change (net/core/dev.c:1625) [ 15.361645][ T37] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 15.361650][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.361654][ T37] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 15.361656][ T37] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 15.361659][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 15.361663][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.361666][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.361670][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 15.361673][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 15.361677][ T37] process_one_work (kernel/workqueue.c:3387) [ 15.361683][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.361686][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.361694][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.361701][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.361702][ T37] kthread (kernel/kthread.c:436) [ 15.361705][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.361709][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.361712][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.361716][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.361720][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.361723][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.361727][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.075834][ T39] softirqs last disabled at (79818): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.075837][ T39] Preemption disabled at: | [ 18.075837][ T39] 0x0 | [ 18.075848][ T39] Tainted: [W]=WARN [ 18.075848][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.075850][ T39] Workqueue: events_unbound linkwatch_event [ 18.075854][ T39] Call Trace: [ 18.075856][ T39] [ 18.075857][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.075863][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 18.075868][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.075872][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.075878][ T39] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.075880][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.075887][ T39] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.075889][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.075893][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 18.075896][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.075900][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.075906][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.075913][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.075916][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.075920][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.075925][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.075928][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.075933][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.075935][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.075939][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.075943][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.075944][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.075950][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.075953][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.075954][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.075956][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.075960][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.075963][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.075966][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 18.075969][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.075971][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.075973][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.075976][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.075981][ T39] _printk (kernel/printk/printk.c:2504) [ 18.075985][ T39] ? snapshot_read.cold (user.c:?) [ 18.075990][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.075994][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.075998][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 18.076002][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.076004][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.076008][ T39] br_device_event (net/bridge/br.c:101) [ 18.076010][ T39] ? fib6_ifdown (net/ipv6/route.c:4976) [ 18.076013][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.076020][ T39] notifier_call_chain (kernel/notifier.c:85) [ 18.076026][ T39] netif_state_change (net/core/dev.c:1625) [ 18.076031][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.076035][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.076038][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.076042][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.076045][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.076050][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.076052][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.076056][ T39] process_one_work (kernel/workqueue.c:3387) [ 18.076063][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.076065][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.076073][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.076080][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.076082][ T39] kthread (kernel/kthread.c:436) [ 18.076085][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.076088][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.076092][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.076096][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.076100][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.076103][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.076107][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.080335][ C0] softirqs last disabled at (587151): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 30.080337][ C0] Preemption disabled at: | [ 30.080338][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 30.080349][ C0] Tainted: [W]=WARN [ 30.080350][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.080351][ C0] Call Trace: [ 30.080353][ C0] [ 30.080355][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.080360][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 30.080362][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 30.080365][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.080369][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080372][ C0] __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)) [ 30.080377][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.080379][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.080384][ C0] ? 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) [ 30.080385][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.080388][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 30.080390][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.080392][ C0] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 30.080395][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.080396][ C0] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 30.080399][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.080403][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.080405][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.080406][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080408][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080409][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.080412][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.080414][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.080415][ C0] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 30.080417][ C0] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 30.080420][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080421][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080423][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.080425][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.080426][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.080428][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.080430][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.080432][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.080433][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.080435][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080436][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.080438][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.080440][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.080442][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.080444][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 30.080446][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.080447][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080448][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.080450][ C0] ? x86_64_start_kernel (arch/x86/kernel/head64.c:264) [ 30.080455][ C0] _printk (kernel/printk/printk.c:2504) [ 30.080458][ C0] ? snapshot_read.cold (user.c:?) [ 30.080460][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 30.080464][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.080466][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 30.080468][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 30.080470][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 30.080474][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 30.080476][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 30.080478][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 30.080481][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.080482][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 30.080486][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080487][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.080489][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 30.080491][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 30.080492][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 30.080494][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 30.080496][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 30.080497][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 30.080500][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 30.080501][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 30.080504][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.080506][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.080508][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080510][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 30.080511][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 30.080513][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 30.080515][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.080518][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.080520][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 30.080521][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 30.080523][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.080526][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080527][ C0] handle_softirqs (kernel/softirq.c:645) [ 30.080529][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.080531][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 30.080534][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 30.080536][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 30.080538][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 30.080540][ C0] [ 30.080540][ C0] [ 30.080541][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 30.080543][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 30.080545][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 30.080548][ C0] Code: 48 8b 3d 94 02 09 02 e8 1f 00 00 00 48 2b 05 58 93 a6 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 46 1b 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 02 09 02 mov 0x2090294(%rip),%rdi # 0x209029b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 93 a6 00 sub 0xa69358(%rip),%rax # 0xa6936b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 46 1b 00 verw 0x1b4613(%rip) # 0x1b463b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 30.080550][ C0] RSP: 0018:ffffffff9b407cf8 EFLAGS: 00000296 [ 30.080553][ C0] RAX: 000000000008f58d RBX: ffffffff9b41c600 RCX: ffffffff982fa307 [ 30.080555][ C0] RDX: ffffffff9b41c600 RSI: ffffffff9b2a7f5f RDI: ffffffff9ac8f560 [ 30.080556][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.080556][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3680fa2 [ 30.080557][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 30.080559][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 30.080563][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.080564][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 30.080566][ C0] default_idle_call (kernel/sched/idle.c:122) [ 30.080568][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 30.080570][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 30.080572][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 30.080574][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.080576][ C0] do_idle (kernel/sched/idle.c:355) [ 30.080578][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 30.080580][ C0] rest_init (init/main.c:727) [ 30.080582][ C0] ? __cpuidle_text_end (??:?) [ 30.080584][ C0] ? rest_init (init/main.c:727) [ 30.080586][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 30.080590][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 30.080592][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 30.080594][ C0] start_kernel (init/main.c:1185) [ 30.080596][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 30.080598][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 30.080600][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 30.151809][ C0] | [ 30.151884][ C0] | [ 30.151884][ C0] stack backtrace: | [ 30.152129][ C0] Tainted: [W]=WARN [ 30.152130][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.152131][ C0] Call Trace: [ 30.152132][ C0] [ 30.152133][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.152136][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 30.152139][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 30.152142][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 30.152144][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 30.152146][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 30.152149][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.152151][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 30.152153][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.152156][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.152158][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 30.152159][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 30.152161][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 30.152163][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 30.152164][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 30.152166][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 30.152168][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 30.152169][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 30.152172][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.152174][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.152176][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.152178][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 30.152179][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 30.152181][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 30.152183][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.152186][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.152188][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 30.152189][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 30.152191][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.152194][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.152195][ C0] handle_softirqs (kernel/softirq.c:645) [ 30.152198][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.152200][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 30.152202][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 30.152204][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 30.152206][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 30.152208][ C0] [ 30.152208][ C0] [ 30.152209][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 30.152211][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 30.152213][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 30.152214][ C0] Code: 48 8b 3d 94 02 09 02 e8 1f 00 00 00 48 2b 05 58 93 a6 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 46 1b 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 02 09 02 mov 0x2090294(%rip),%rdi # 0x209029b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 93 a6 00 sub 0xa69358(%rip),%rax # 0xa6936b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 46 1b 00 verw 0x1b4613(%rip) # 0x1b463b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 30.152216][ C0] RSP: 0018:ffffffff9b407cf8 EFLAGS: 00000296 [ 30.152218][ C0] RAX: 000000000008f58d RBX: ffffffff9b41c600 RCX: ffffffff982fa307 [ 30.152219][ C0] RDX: ffffffff9b41c600 RSI: ffffffff9b2a7f5f RDI: ffffffff9ac8f560 [ 30.152220][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.152221][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3680fa2 [ 30.152222][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 30.152223][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 30.152226][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.152227][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 30.152229][ C0] default_idle_call (kernel/sched/idle.c:122) [ 30.152231][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 30.152233][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 30.152235][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 30.152237][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.152239][ C0] do_idle (kernel/sched/idle.c:355) [ 30.152241][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 30.152243][ C0] rest_init (init/main.c:727) [ 30.152245][ C0] ? __cpuidle_text_end (??:?) [ 30.152248][ C0] ? rest_init (init/main.c:727) [ 30.152250][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 30.152253][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 30.152255][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 30.152257][ C0] start_kernel (init/main.c:1185) [ 30.152258][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 30.152260][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 30.152262][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 63.177321][ T36] softirqs last disabled at (64570): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 63.177323][ T36] Preemption disabled at: | [ 63.177324][ T36] 0x0 | [ 63.177334][ T36] Tainted: [W]=WARN [ 63.177335][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.177336][ T36] Workqueue: events_unbound linkwatch_event [ 63.177343][ T36] Call Trace: [ 63.177345][ T36] [ 63.177346][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.177351][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 63.177355][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.177358][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177362][ T36] __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)) [ 63.177366][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.177368][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.177373][ T36] ? 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) [ 63.177374][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.177377][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 63.177379][ T36] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 63.177381][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.177383][ T36] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 63.177385][ T36] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 63.177387][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.177392][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.177394][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177395][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.177398][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.177400][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.177401][ T36] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 63.177403][ T36] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 63.177406][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177407][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177408][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177410][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.177413][ T36] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.177414][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.177416][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.177418][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.177420][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.177422][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.177423][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177424][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.177426][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 63.177427][ T36] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 63.177429][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.177431][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.177433][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 63.177435][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.177436][ T36] ? do_raw_write_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) [ 63.177438][ T36] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 63.177439][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177441][ T36] _printk (kernel/printk/printk.c:2504) [ 63.177444][ T36] ? snapshot_read.cold (user.c:?) [ 63.177446][ T36] ? fib6_info_destroy_rcu (net/ipv6/ip6_fib.c:172 (discriminator 1)) [ 63.177448][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.177450][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 63.177453][ T36] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 63.177455][ T36] br_port_carrier_check (net/bridge/br_if.c:95) [ 63.177459][ T36] br_device_event (net/bridge/br.c:101) [ 63.177461][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 63.177463][ T36] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 63.177465][ T36] notifier_call_chain (kernel/notifier.c:85) [ 63.177469][ T36] netif_state_change (net/core/dev.c:1625) [ 63.177471][ T36] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 63.177475][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 63.177477][ T36] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 63.177479][ T36] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 63.177481][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 63.177483][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.177485][ T36] ? debug_object_active_state (lib/debugobjects.c:1122) [ 63.177489][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 63.177491][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 63.177493][ T36] process_one_work (kernel/workqueue.c:3387) [ 63.177496][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 63.177498][ T36] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.177500][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.177502][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.177505][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.177506][ T36] kthread (kernel/kthread.c:436) [ 63.177508][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.177511][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.177513][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 63.177516][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 63.177519][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 63.177522][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.177524][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 64.369177][ T388] softirqs last disabled at (0): 0x0 | [ 64.369179][ T388] Preemption disabled at: | [ 64.369180][ T388] 0x0 | [ 64.369188][ T388] Tainted: [W]=WARN [ 64.369189][ T388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.369191][ T388] Call Trace: [ 64.369193][ T388] [ 64.369194][ T388] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.369199][ T388] __might_resched.cold (kernel/sched/core.c:9234) [ 64.369203][ T388] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.369206][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369210][ T388] __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)) [ 64.369214][ T388] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.369216][ T388] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.369220][ T388] ? 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) [ 64.369222][ T388] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.369224][ T388] put_chars (drivers/char/virtio_console.c:1176) [ 64.369226][ T388] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 64.369229][ T388] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.369232][ T388] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.369236][ T388] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.369238][ T388] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.369239][ T388] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.369242][ T388] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.369245][ T388] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.369246][ T388] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 64.369250][ T388] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 64.369252][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369254][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369255][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369256][ T388] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.369258][ T388] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 64.369260][ T388] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.369262][ T388] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.369264][ T388] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.369265][ T388] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.369267][ T388] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.369269][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369270][ T388] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.369272][ T388] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 64.369273][ T388] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 64.369275][ T388] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.369277][ T388] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.369279][ T388] vprintk_emit (kernel/printk/printk.c:2479) [ 64.369281][ T388] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.369282][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369284][ T388] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 64.369287][ T388] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 64.369289][ T388] _printk (kernel/printk/printk.c:2504) [ 64.369292][ T388] ? snapshot_read.cold (user.c:?) [ 64.369294][ T388] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 64.369298][ T388] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 64.369300][ T388] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 64.369303][ T388] br_device_event (net/bridge/br.c:111) [ 64.369306][ T388] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 64.369309][ T388] ? packet_sendmsg_spkt (af_packet.c:?) [ 64.369311][ T388] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 64.369314][ T388] notifier_call_chain (kernel/notifier.c:85) [ 64.369317][ T388] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 64.369321][ T388] ? netif_change_name (net/core/dev.c:1517) [ 64.369323][ T388] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 64.369324][ T388] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 64.369326][ T388] ? __kernel_text_address (kernel/extable.c:79) [ 64.369328][ T388] ? write_profile (profile.c:?) [ 64.369332][ T388] netif_change_flags (net/core/dev.c:9882) [ 64.369334][ T388] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 64.369337][ T388] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 64.369339][ T388] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 64.369340][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369342][ T388] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.369345][ T388] ? kasan_save_stack (mm/kasan/common.c:58) [ 64.369347][ T388] ? kasan_save_stack (mm/kasan/common.c:57) [ 64.369348][ T388] ? kasan_save_track (mm/kasan/common.c:78) [ 64.369349][ T388] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 64.369350][ T388] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 64.369352][ T388] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 64.369353][ T388] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.369355][ T388] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.369358][ T388] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.369359][ T388] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.369361][ T388] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 64.369363][ T388] ? ___sys_sendmsg (net/socket.c:2767) [ 64.369364][ T388] ? __sys_sendmsg (net/socket.c:2799) [ 64.369366][ T388] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.369368][ T388] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.369370][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369372][ T388] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.369374][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369375][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369376][ T388] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 64.369378][ T388] ? __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) [ 64.369379][ T388] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 64.369381][ T388] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 64.369383][ T388] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 64.369385][ T388] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 64.369387][ T388] rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.369390][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369391][ T388] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.369393][ T388] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.369395][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369396][ T388] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 64.369399][ T388] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 64.369401][ T388] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 64.369402][ T388] ? __kernel_text_address (kernel/extable.c:79) [ 64.369404][ T388] ? write_profile (profile.c:?) [ 64.369405][ T388] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 64.369408][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369410][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369411][ T388] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 64.369414][ T388] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.369416][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369417][ T388] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.369419][ T388] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.369422][ T388] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.369423][ T388] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.369425][ T388] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.369427][ T388] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.369429][ T388] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.369431][ T388] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.369433][ T388] ? netlink_ack (./include/linux/skbuff.h:2718) [ 64.369434][ T388] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 64.369437][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369438][ T388] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.369440][ T388] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.369443][ T388] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 64.369444][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369445][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369447][ T388] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.369449][ T388] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.369451][ T388] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 64.369453][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369454][ T388] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.369456][ T388] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 64.369458][ T388] ? copy_msghdr_from_user (net/socket.c:2650) [ 64.369459][ T388] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 64.369460][ T388] ? move_addr_to_kernel (net/socket.c:258) [ 64.369462][ T388] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.369464][ T388] ___sys_sendmsg (net/socket.c:2767) [ 64.369466][ T388] ? copy_msghdr_from_user (net/socket.c:2619) [ 64.369471][ T388] __sys_sendmsg (net/socket.c:2799) [ 64.369472][ T388] ? __sys_sendmsg_sock (net/socket.c:2780) [ 64.369475][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.369477][ T388] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.369478][ T388] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 64.369480][ T388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.369481][ T388] RIP: 0033:0x7f9b9101c54e [ 64.369484][ T388] 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 [ 64.369485][ T388] RSP: 002b:00007ffcded8ac70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 64.369489][ T388] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9b9101c54e [ 64.369490][ T388] RDX: 0000000000000000 RSI: 00007ffcded8ad20 RDI: 0000000000000005 [ 64.369491][ T388] RBP: 00007ffcded8ac80 R08: 0000000000000000 R09: 0000000000000000 [ 64.369492][ T388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ffc [ 64.369492][ T388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcded8b3f0 | [ 65.509388][ T93] softirqs last disabled at (54981): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 65.509390][ T93] Preemption disabled at: | [ 65.509391][ T93] 0x0 | [ 65.509401][ T93] Tainted: [W]=WARN [ 65.509402][ T93] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.509404][ T93] Workqueue: events_unbound linkwatch_event [ 65.509410][ T93] Call Trace: [ 65.509412][ T93] [ 65.509413][ T93] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.509418][ T93] __might_resched.cold (kernel/sched/core.c:9234) [ 65.509422][ T93] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 65.509426][ T93] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.509428][ T93] ? record_print_text (kernel/printk/printk.c:1467) [ 65.509432][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509435][ T93] __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)) [ 65.509439][ T93] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.509441][ T93] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.509445][ T93] ? 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) [ 65.509446][ T93] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.509449][ T93] put_chars (drivers/char/virtio_console.c:1176) [ 65.509451][ T93] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.509453][ T93] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 65.509456][ T93] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.509460][ T93] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.509462][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509464][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509465][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.509468][ T93] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.509470][ T93] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.509471][ T93] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 65.509473][ T93] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 65.509475][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509476][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509477][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509479][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.509481][ T93] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.509482][ T93] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.509484][ T93] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.509486][ T93] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.509488][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.509489][ T93] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.509491][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509492][ T93] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.509494][ T93] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 65.509495][ T93] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 65.509497][ T93] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.509499][ T93] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.509501][ T93] vprintk_emit (kernel/printk/printk.c:2479) [ 65.509503][ T93] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.509504][ T93] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 65.509506][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.509507][ T93] _printk (kernel/printk/printk.c:2504) [ 65.509510][ T93] ? snapshot_read.cold (user.c:?) [ 65.509512][ T93] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 65.509515][ T93] ? port_cost (net/bridge/br_if.c:40) [ 65.509518][ T93] ? br_multicast_flood (??:?) [ 65.509521][ T93] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.509523][ T93] br_init_port (net/bridge/br_stp_if.c:39) [ 65.509525][ T93] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 65.509527][ T93] br_port_carrier_check (net/bridge/br_if.c:90) [ 65.509530][ T93] br_device_event (net/bridge/br.c:101) [ 65.509532][ T93] ? fib6_ifdown (net/ipv6/route.c:4976) [ 65.509535][ T93] ? packet_sendmsg_spkt (af_packet.c:?) [ 65.509537][ T93] ? addrconf_notify (net/ipv6/addrconf.c:3764) [ 65.509539][ T93] notifier_call_chain (kernel/notifier.c:85) [ 65.509543][ T93] netif_state_change (net/core/dev.c:1625) [ 65.509546][ T93] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 65.509548][ T93] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 65.509550][ T93] __linkwatch_run_queue (net/core/link_watch.c:240) [ 65.509552][ T93] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 65.509554][ T93] ? debug_object_active_state (lib/debugobjects.c:1122) [ 65.509558][ T93] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 65.509560][ T93] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 65.509562][ T93] process_one_work (kernel/workqueue.c:3387) [ 65.509566][ T93] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 65.509567][ T93] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.509569][ T93] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.509571][ T93] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.509573][ T93] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.509574][ T93] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 65.509577][ T93] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.509578][ T93] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.509579][ T93] kthread (kernel/kthread.c:436) [ 65.509581][ T93] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.509584][ T93] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.509587][ T93] ret_from_fork (arch/x86/kernel/process.c:158) [ 65.509590][ T93] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 65.509592][ T93] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 65.509595][ T93] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.509597][ T93] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 68.764414][ T93] softirqs last disabled at (54981): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 68.764417][ T93] Preemption disabled at: | [ 68.764418][ T93] 0x0 | [ 68.764428][ T93] Tainted: [W]=WARN [ 68.764429][ T93] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.764430][ T93] Workqueue: events_unbound linkwatch_event [ 68.764437][ T93] Call Trace: [ 68.764438][ T93] [ 68.764440][ T93] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 68.764445][ T93] __might_resched.cold (kernel/sched/core.c:9234) [ 68.764449][ T93] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 68.764453][ T93] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 68.764455][ T93] ? record_print_text (kernel/printk/printk.c:1467) [ 68.764459][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764462][ T93] __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)) [ 68.764466][ T93] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 68.764467][ T93] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.764472][ T93] ? 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) [ 68.764473][ T93] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.764475][ T93] put_chars (drivers/char/virtio_console.c:1176) [ 68.764478][ T93] ? __send_to_port (drivers/char/virtio_console.c:654) [ 68.764480][ T93] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 68.764483][ T93] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 68.764487][ T93] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 68.764489][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764490][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764492][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.764495][ T93] console_emit_next_record (kernel/printk/printk.c:3183) [ 68.764497][ T93] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 68.764498][ T93] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 68.764500][ T93] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 68.764502][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764503][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764504][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764505][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.764508][ T93] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 68.764509][ T93] console_flush_one_record (kernel/printk/printk.c:3268) [ 68.764511][ T93] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 68.764513][ T93] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 68.764514][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.764516][ T93] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 68.764517][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764519][ T93] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 68.764520][ T93] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 68.764522][ T93] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 68.764524][ T93] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 68.764526][ T93] ? vprintk_emit (kernel/printk/printk.c:2478) [ 68.764528][ T93] vprintk_emit (kernel/printk/printk.c:2479) [ 68.764529][ T93] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 68.764531][ T93] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 68.764532][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.764534][ T93] _printk (kernel/printk/printk.c:2504) [ 68.764537][ T93] ? snapshot_read.cold (user.c:?) [ 68.764539][ T93] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 68.764542][ T93] ? port_cost (net/bridge/br_if.c:40) [ 68.764545][ T93] ? br_multicast_flood (??:?) [ 68.764548][ T93] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 68.764550][ T93] br_init_port (net/bridge/br_stp_if.c:39) [ 68.764552][ T93] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 68.764554][ T93] br_port_carrier_check (net/bridge/br_if.c:90) [ 68.764557][ T93] br_device_event (net/bridge/br.c:101) [ 68.764559][ T93] ? fib6_ifdown (net/ipv6/route.c:4976) [ 68.764562][ T93] ? packet_sendmsg_spkt (af_packet.c:?) [ 68.764564][ T93] ? addrconf_notify (net/ipv6/addrconf.c:3764) [ 68.764566][ T93] notifier_call_chain (kernel/notifier.c:85) [ 68.764570][ T93] netif_state_change (net/core/dev.c:1625) [ 68.764573][ T93] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 68.764575][ T93] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 68.764577][ T93] __linkwatch_run_queue (net/core/link_watch.c:240) [ 68.764579][ T93] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 68.764581][ T93] ? debug_object_active_state (lib/debugobjects.c:1122) [ 68.764585][ T93] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 68.764587][ T93] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 68.764589][ T93] process_one_work (kernel/workqueue.c:3387) [ 68.764593][ T93] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 68.764594][ T93] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 68.764596][ T93] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 68.764598][ T93] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 68.764600][ T93] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 68.764601][ T93] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 68.764604][ T93] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 68.764605][ T93] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 68.764606][ T93] kthread (kernel/kthread.c:436) [ 68.764608][ T93] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 68.764611][ T93] ? kthread_affine_preferred (kernel/kthread.c:857) [ 68.764614][ T93] ret_from_fork (arch/x86/kernel/process.c:158) [ 68.764617][ T93] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 68.764619][ T93] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 68.764622][ T93] ? kthread_affine_preferred (kernel/kthread.c:857) [ 68.764624][ T93] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 113.026088][ T216] softirqs last disabled at (45608): bond_3ad_state_machine_handler (./include/linux/spinlock.h:353 drivers/net/bonding/bond_3ad.c:2564) | [ 113.026090][ T216] Preemption disabled at: | [ 113.026091][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 113.026103][ T216] Tainted: [W]=WARN [ 113.026104][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.026105][ T216] Workqueue: netns cleanup_net [ 113.026111][ T216] Call Trace: [ 113.026112][ T216] [ 113.026114][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.026119][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 113.026126][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 113.026129][ T216] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 113.026133][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.026135][ T216] ? record_print_text (kernel/printk/printk.c:1467) [ 113.026138][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026141][ T216] __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)) [ 113.026144][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.026146][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.026150][ T216] ? 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) [ 113.026151][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.026154][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 113.026157][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.026159][ T216] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 113.026162][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.026166][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.026168][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026169][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026170][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.026173][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.026175][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.026177][ T216] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 113.026179][ T216] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 113.026180][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026181][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026182][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026184][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.026186][ T216] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.026187][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.026189][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.026191][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.026193][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.026194][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.026196][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026197][ T216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.026198][ T216] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 113.026200][ T216] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 113.026202][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.026204][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.026206][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 113.026207][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.026209][ T216] ? 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) [ 113.026210][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.026212][ T216] _printk (kernel/printk/printk.c:2504) [ 113.026215][ T216] ? snapshot_read.cold (user.c:?) [ 113.026216][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026218][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.026221][ T216] ? 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) [ 113.026222][ T216] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 113.026224][ T216] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 113.026226][ T216] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 113.026228][ T216] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 113.026230][ T216] ? netdev_notice (net/core/dev.c:13194) [ 113.026232][ T216] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 113.026235][ T216] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 113.026236][ T216] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 113.026240][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.026242][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026244][ T216] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 113.026245][ T216] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 113.026250][ T216] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 113.026251][ T216] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 113.026253][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026255][ T216] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 113.026257][ T216] ? packet_sendmsg_spkt (af_packet.c:?) [ 113.026261][ T216] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 113.026262][ T216] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 113.026265][ T216] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 113.026267][ T216] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 113.026270][ T216] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 113.026272][ T216] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 113.026274][ T216] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 113.026276][ T216] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 113.026279][ T216] ops_undo_list (net/core/net_namespace.c:188 net/core/net_namespace.c:249) [ 113.026281][ T216] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 113.026283][ T216] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 113.026286][ T216] cleanup_net (net/core/net_namespace.c:706) [ 113.026287][ T216] ? net_passive_dec (./include/linux/llist.h:241) [ 113.026289][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.026291][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.026293][ T216] process_one_work (kernel/workqueue.c:3387) [ 113.026296][ T216] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 113.026298][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.026300][ T216] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 113.026302][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.026303][ T216] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 113.026306][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.026307][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.026308][ T216] kthread (kernel/kthread.c:436) [ 113.026310][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.026312][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) [ 113.026314][ T216] ret_from_fork (arch/x86/kernel/process.c:158) [ 113.026317][ T216] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 113.026319][ T216] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 113.026322][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print inet6_fill_ifla6_attrs:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock bond_3ad_state_machine_handler:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars