====================================== | [ 9.770737][ T175] softirqs last disabled at (30809): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.770740][ T175] Preemption disabled at: | [ 9.770740][ T175] 0x0 | [ 9.770754][ T175] Tainted: [W]=WARN [ 9.770755][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.770757][ T175] Call Trace: [ 9.770758][ T175] [ 9.770759][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.770765][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 9.770770][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.770773][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.770778][ T175] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.770780][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.770786][ T175] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.770789][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.770793][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 9.770796][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.770802][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.770809][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.770811][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.770816][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.770819][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.770820][ T175] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.770823][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.770826][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.770830][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.770834][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.770835][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.770840][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.770843][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.770844][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.770846][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.770849][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.770851][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.770854][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 9.770857][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.770860][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.770864][ T175] _printk (kernel/printk/printk.c:2504) [ 9.770868][ T175] ? snapshot_read.cold (user.c:?) [ 9.770870][ T175] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.770873][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.770877][ T175] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.770880][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.770883][ T175] ? exit_notify (kernel/exit.c:780) [ 9.770885][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.770888][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.770891][ T175] do_group_exit (kernel/exit.c:1151) [ 9.770894][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.770896][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.770899][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.770902][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.770906][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.770908][ T175] RIP: 0033:0x7feb31e6d1b8 [ 9.770910][ T175] Code: Unable to access opcode bytes at 0x7feb31e6d18e. Code starting with the faulting instruction =========================================== [ 9.770911][ T175] RSP: 002b:00007ffff3d16118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.770913][ T175] RAX: ffffffffffffffda RBX: 00007feb31f9df88 RCX: 00007feb31e6d1b8 [ 9.770914][ T175] RDX: 00007feb31bb7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.770915][ T175] RBP: 00007ffff3d16170 R08: 0000000000000000 R09: 0000000000000050 [ 9.770916][ T175] R10: 00007ffff3d15f30 R11: 0000000000000246 R12: 0000000000000001 [ 9.770917][ T175] R13: 0000000000000000 R14: 00007feb31f9c680 R15: 00007feb31f9dfa0 | [ 10.916271][ T209] softirqs last disabled at (25250): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.916273][ T209] Preemption disabled at: | [ 10.916273][ T209] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.916282][ T209] Tainted: [W]=WARN [ 10.916283][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.916284][ T209] Call Trace: [ 10.916286][ T209] [ 10.916287][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.916292][ T209] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.916294][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 10.916299][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.916302][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.916307][ T209] __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)) [ 10.916309][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.916315][ T209] ? 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) [ 10.916318][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.916322][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 10.916324][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.916326][ T209] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.916330][ T209] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.916334][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.916337][ T209] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.916339][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.916341][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.916345][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.916346][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.916351][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.916355][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.916358][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.916359][ T209] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.916362][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.916365][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.916369][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.916373][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.916374][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.916379][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.916381][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.916383][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.916384][ T209] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.916388][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.916390][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.916393][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 10.916397][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.916398][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.916400][ T209] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.916405][ T209] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.916409][ T209] _printk (kernel/printk/printk.c:2504) [ 10.916412][ T209] ? snapshot_read.cold (user.c:?) [ 10.916415][ T209] ? br_multicast_flood (??:?) bridge [ 10.916428][ T209] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.916429][ T209] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.916430][ T209] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.916435][ T209] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 10.916445][ T209] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 10.916453][ T209] new_nbp (net/bridge/br_if.c:449) bridge [ 10.916462][ T209] br_add_if (net/bridge/br_if.c:592) bridge [ 10.916469][ T209] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.916473][ T209] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.916479][ T209] do_set_master (net/core/rtnetlink.c:3071) [ 10.916484][ T209] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.916487][ T209] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.916490][ T209] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.916492][ T209] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.916494][ T209] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.916498][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.916500][ T209] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.916502][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.916505][ T209] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.916507][ T209] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.916509][ T209] ? kasan_save_track (mm/kasan/common.c:78) [ 10.916512][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.916514][ T209] ? netlink_update_listeners (net/netlink/af_netlink.c:532) [ 10.916516][ T209] ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763) [ 10.916521][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.916523][ T209] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.916525][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.916527][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.916529][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.916530][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.916532][ T209] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.916534][ T209] ? __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) [ 10.916536][ T209] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.916538][ T209] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.916541][ T209] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.916543][ T209] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.916549][ T209] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.916554][ T209] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.916559][ T209] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.916560][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.916565][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.916567][ T209] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.916571][ T209] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.916573][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.916577][ T209] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.916578][ T209] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.916581][ T209] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.916583][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.916587][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.916589][ T209] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.916592][ T209] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.916594][ T209] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.916597][ T209] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.916603][ T209] ? 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)) [ 10.916604][ T209] ? 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)) [ 10.916608][ T209] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.916612][ T209] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.916614][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.916618][ T209] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.916622][ T209] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.916623][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.916626][ T209] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.916630][ T209] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.916634][ T209] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.916636][ T209] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.916638][ T209] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.916640][ T209] ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1)) [ 10.916647][ T209] ___sys_sendmsg (net/socket.c:2767) [ 10.916649][ T209] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.916664][ T209] __sys_sendmsg (net/socket.c:2799) [ 10.916667][ T209] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.916673][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.916676][ T209] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.916679][ T209] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.916682][ T209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.916684][ T209] RIP: 0033:0x7f786ba0b54e [ 10.916687][ T209] 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 [ 10.916689][ T209] RSP: 002b:00007ffd608cf7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.916692][ T209] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f786ba0b54e [ 10.916693][ T209] RDX: 0000000000000000 RSI: 00007ffd608cf880 RDI: 0000000000000005 [ 10.916694][ T209] RBP: 00007ffd608cf7e0 R08: 0000000000000000 R09: 0000000000000000 [ 10.916695][ T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91416f [ 10.916695][ T209] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd608cff50 | [ 12.521232][ T38] softirqs last disabled at (62460): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge | [ 12.521241][ T38] Preemption disabled at: | [ 12.521241][ T38] 0x0 | [ 12.521252][ T38] Tainted: [W]=WARN [ 12.521253][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.521255][ T38] Workqueue: events_unbound linkwatch_event [ 12.521258][ T38] Call Trace: [ 12.521260][ T38] [ 12.521262][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.521267][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 12.521272][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.521275][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.521280][ T38] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.521282][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.521288][ T38] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.521291][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.521295][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 12.521298][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.521299][ T38] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 12.521304][ T38] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.521308][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.521311][ T38] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.521313][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.521315][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.521319][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.521321][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.521325][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.521329][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.521333][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.521334][ T38] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.521337][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.521340][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.521344][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.521348][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.521349][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.521354][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.521357][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.521358][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.521360][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.521364][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.521366][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.521369][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 12.521372][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.521378][ T38] _printk (kernel/printk/printk.c:2504) [ 12.521381][ T38] ? snapshot_read.cold (user.c:?) [ 12.521386][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.521390][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.521401][ T38] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.521413][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 12.521422][ T38] br_port_carrier_check (net/bridge/br_if.c:90) bridge [ 12.521433][ T38] br_device_event (net/bridge/br.c:101) bridge [ 12.521443][ T38] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 12.521445][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 12.521452][ T38] notifier_call_chain (kernel/notifier.c:85) [ 12.521458][ T38] netif_state_change (net/core/dev.c:1625) [ 12.521463][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.521468][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 12.521470][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 12.521473][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.521475][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.521480][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 12.521482][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 12.521485][ T38] process_one_work (kernel/workqueue.c:3387) [ 12.521491][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.521493][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.521501][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.521507][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.521509][ T38] kthread (kernel/kthread.c:436) [ 12.521512][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.521515][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.521518][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.521523][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.521526][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.521529][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.521532][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 13.560251][ T12] softirqs last disabled at (18740): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 13.560259][ T12] Preemption disabled at: | [ 13.560259][ T12] 0x0 | [ 13.560269][ T12] Tainted: [W]=WARN [ 13.560270][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.560272][ T12] Workqueue: netns cleanup_net [ 13.560275][ T12] Call Trace: [ 13.560276][ T12] [ 13.560278][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.560284][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 13.560288][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.560292][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.560297][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.560299][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.560305][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.560308][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.560312][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 13.560315][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.560322][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.560328][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.560331][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.560336][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.560340][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.560341][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.560344][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.560347][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.560351][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.560355][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.560356][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.560362][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.560364][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.560365][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.560367][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.560371][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.560373][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.560376][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 13.560380][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.560382][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.560387][ T12] _printk (kernel/printk/printk.c:2504) [ 13.560391][ T12] ? snapshot_read.cold (user.c:?) [ 13.560399][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.560410][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 13.560420][ T12] br_device_event (net/bridge/br.c:111) bridge [ 13.560427][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 13.560432][ T12] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 13.560439][ T12] notifier_call_chain (kernel/notifier.c:85) [ 13.560445][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 13.560448][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 13.560451][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 13.560454][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 13.560458][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 13.560461][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 13.560464][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.560465][ T12] ? kthread (kernel/kthread.c:436) [ 13.560467][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 13.560470][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 13.560473][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 13.560477][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.560483][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 13.560486][ T12] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 13.560489][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 13.560492][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 13.560494][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 13.560497][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 13.560501][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 13.560504][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.560508][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 13.560509][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.560512][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 13.560517][ T12] cleanup_net (net/core/net_namespace.c:706) [ 13.560520][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 13.560524][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.560526][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.560529][ T12] process_one_work (kernel/workqueue.c:3387) [ 13.560535][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.560538][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.560546][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.560552][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.560554][ T12] kthread (kernel/kthread.c:436) [ 13.560556][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.560559][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.560562][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.560565][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.560571][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.560574][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print