====================================== | [ 9.590319][ T180] softirqs last disabled at (26669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.590321][ T180] Preemption disabled at: | [ 9.590322][ T180] 0x0 | [ 9.590332][ T180] Tainted: [W]=WARN [ 9.590333][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.590335][ T180] Call Trace: [ 9.590336][ T180] [ 9.590338][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.590343][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.590347][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.590350][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.590355][ T180] __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)) [ 9.590358][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.590364][ T180] ? 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) [ 9.590367][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.590370][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.590373][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.590379][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.590386][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.590388][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.590393][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.590396][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.590397][ T180] ? 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)) [ 9.590400][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.590403][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.590407][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.590411][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.590412][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.590417][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.590419][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.590420][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.590422][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.590426][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.590428][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.590431][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.590434][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.590437][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.590440][ T180] _printk (kernel/printk/printk.c:2504) [ 9.590444][ T180] ? snapshot_read.cold (user.c:?) [ 9.590446][ T180] ? 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) [ 9.590449][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.590453][ T180] ? 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) [ 9.590456][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.590460][ T180] ? exit_notify (kernel/exit.c:780) [ 9.590461][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.590464][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.590467][ T180] do_group_exit (kernel/exit.c:1151) [ 9.590470][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.590472][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.590475][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.590478][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.590482][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.590484][ T180] RIP: 0033:0x7fd04c1011b8 [ 9.590486][ T180] Code: Unable to access opcode bytes at 0x7fd04c10118e. Code starting with the faulting instruction =========================================== [ 9.590487][ T180] RSP: 002b:00007fff36926588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.590489][ T180] RAX: ffffffffffffffda RBX: 00007fd04c231f88 RCX: 00007fd04c1011b8 [ 9.590490][ T180] RDX: 00007fd04be4bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.590491][ T180] RBP: 00007fff369265e0 R08: 0000000000000000 R09: 0000000000000050 [ 9.590492][ T180] R10: 00007fff369263a0 R11: 0000000000000246 R12: 0000000000000001 [ 9.590492][ T180] R13: 0000000000000000 R14: 00007fd04c230680 R15: 00007fd04c231fa0 | [ 10.806414][ T216] softirqs last disabled at (18830): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.806417][ T216] Preemption disabled at: | [ 10.806417][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.806426][ T216] Tainted: [W]=WARN [ 10.806427][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.806429][ T216] Call Trace: [ 10.806430][ T216] [ 10.806432][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.806437][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.806439][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 10.806443][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.806446][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.806451][ 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)) [ 10.806453][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.806459][ 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) [ 10.806462][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.806465][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 10.806468][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.806471][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.806475][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.806478][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.806482][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.806485][ T216] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.806487][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.806489][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.806493][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.806494][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.806498][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.806502][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.806506][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.806507][ T216] ? 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)) [ 10.806509][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.806511][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.806515][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.806519][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.806520][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.806525][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.806527][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.806528][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.806530][ T216] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.806534][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.806536][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.806538][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 10.806542][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.806544][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.806547][ T216] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.806550][ T216] _printk (kernel/printk/printk.c:2504) [ 10.806553][ T216] ? snapshot_read.cold (user.c:?) [ 10.806557][ T216] ? br_multicast_flood (??:?) bridge [ 10.806569][ T216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.806571][ T216] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.806572][ T216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.806576][ T216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 10.806586][ T216] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 10.806594][ T216] new_nbp (net/bridge/br_if.c:449) bridge [ 10.806603][ T216] br_add_if (net/bridge/br_if.c:592) bridge [ 10.806610][ T216] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.806614][ T216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.806620][ T216] do_set_master (net/core/rtnetlink.c:3071) [ 10.806625][ T216] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.806628][ T216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.806631][ T216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.806632][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.806634][ T216] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.806638][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.806640][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.806642][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.806644][ T216] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.806647][ T216] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.806649][ T216] ? kasan_save_track (mm/kasan/common.c:78) [ 10.806652][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.806653][ T216] ? netlink_update_listeners (net/netlink/af_netlink.c:532) [ 10.806657][ T216] ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763) [ 10.806661][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.806663][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.806666][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.806667][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.806669][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.806670][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.806672][ T216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.806675][ T216] ? __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) [ 10.806678][ T216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.806680][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.806683][ T216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.806685][ T216] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.806690][ T216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.806695][ T216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.806700][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.806702][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.806706][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.806708][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.806711][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.806712][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.806716][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.806718][ T216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.806721][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.806722][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.806726][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.806728][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.806732][ T216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.806734][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.806736][ T216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.806742][ T216] ? 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)) [ 10.806743][ T216] ? 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)) [ 10.806747][ T216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.806751][ T216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.806753][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.806757][ T216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.806761][ T216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.806762][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.806765][ T216] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.806769][ T216] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.806773][ T216] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.806775][ T216] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.806777][ T216] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.806778][ T216] ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1)) [ 10.806785][ T216] ___sys_sendmsg (net/socket.c:2767) [ 10.806788][ T216] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.806803][ T216] __sys_sendmsg (net/socket.c:2799) [ 10.806806][ T216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.806812][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.806815][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.806817][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.806820][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.806823][ T216] RIP: 0033:0x7f03b09b654e [ 10.806826][ T216] 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 [ 10.806828][ T216] RSP: 002b:00007ffe5f302bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.806830][ T216] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f03b09b654e [ 10.806831][ T216] RDX: 0000000000000000 RSI: 00007ffe5f302ca0 RDI: 0000000000000005 [ 10.806832][ T216] RBP: 00007ffe5f302c00 R08: 0000000000000000 R09: 0000000000000000 [ 10.806833][ T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bf6b [ 10.806834][ T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5f303370 | [ 12.126955][ T47] softirqs last disabled at (51706): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge | [ 12.126963][ T47] Preemption disabled at: | [ 12.126964][ T47] 0x0 | [ 12.126974][ T47] Tainted: [W]=WARN [ 12.126975][ T47] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.126977][ T47] Workqueue: events_unbound linkwatch_event [ 12.126980][ T47] Call Trace: [ 12.126982][ T47] [ 12.126984][ T47] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.126989][ T47] __might_resched.cold (kernel/sched/core.c:9234) [ 12.126994][ T47] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.126997][ T47] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.127002][ T47] __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)) [ 12.127005][ T47] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.127011][ T47] ? 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) [ 12.127013][ T47] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.127017][ T47] put_chars (drivers/char/virtio_console.c:1176) [ 12.127020][ T47] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.127022][ T47] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 12.127026][ T47] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.127030][ T47] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.127033][ T47] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.127035][ T47] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.127037][ T47] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.127042][ T47] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.127043][ T47] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.127048][ T47] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.127052][ T47] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.127055][ T47] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.127057][ T47] ? 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)) [ 12.127059][ T47] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.127063][ T47] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.127067][ T47] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.127070][ T47] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.127072][ T47] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.127077][ T47] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.127079][ T47] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.127081][ T47] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.127082][ T47] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.127086][ T47] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.127088][ T47] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.127091][ T47] vprintk_emit (kernel/printk/printk.c:2479) [ 12.127095][ T47] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.127100][ T47] _printk (kernel/printk/printk.c:2504) [ 12.127104][ T47] ? snapshot_read.cold (user.c:?) [ 12.127109][ T47] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.127113][ T47] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.127123][ T47] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.127131][ T47] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 12.127138][ T47] br_port_carrier_check (net/bridge/br_if.c:90) bridge [ 12.127147][ T47] br_device_event (net/bridge/br.c:101) bridge [ 12.127156][ T47] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 12.127158][ T47] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 12.127165][ T47] notifier_call_chain (kernel/notifier.c:85) [ 12.127171][ T47] netif_state_change (net/core/dev.c:1625) [ 12.127175][ T47] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.127180][ T47] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 12.127182][ T47] __linkwatch_run_queue (net/core/link_watch.c:240) [ 12.127185][ T47] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.127187][ T47] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.127192][ T47] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 12.127194][ T47] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 12.127197][ T47] process_one_work (kernel/workqueue.c:3387) [ 12.127203][ T47] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.127206][ T47] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.127213][ T47] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.127220][ T47] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.127221][ T47] kthread (kernel/kthread.c:436) [ 12.127224][ T47] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.127227][ T47] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.127230][ T47] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.127234][ T47] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.127238][ T47] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.127241][ T47] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.127244][ T47] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 13.180767][ T73] softirqs last disabled at (13270): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 13.180780][ T73] Preemption disabled at: | [ 13.180781][ T73] 0x0 | [ 13.180794][ T73] Tainted: [W]=WARN [ 13.180795][ T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.180797][ T73] Workqueue: netns cleanup_net [ 13.180801][ T73] Call Trace: [ 13.180803][ T73] [ 13.180806][ T73] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.180813][ T73] __might_resched.cold (kernel/sched/core.c:9234) [ 13.180819][ T73] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.180824][ T73] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.180831][ T73] __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)) [ 13.180835][ T73] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.180844][ T73] ? 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) [ 13.180847][ T73] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.180853][ T73] put_chars (drivers/char/virtio_console.c:1176) [ 13.180857][ T73] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.180869][ T73] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.180880][ T73] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.180885][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.180892][ T73] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.180897][ T73] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.180899][ T73] ? 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)) [ 13.180904][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.180908][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.180916][ T73] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.180931][ T73] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.180933][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.180943][ T73] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.180946][ T73] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.180948][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.180951][ T73] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.180958][ T73] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.180961][ T73] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.180966][ T73] vprintk_emit (kernel/printk/printk.c:2479) [ 13.180972][ T73] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.180974][ T73] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.180984][ T73] _printk (kernel/printk/printk.c:2504) [ 13.180989][ T73] ? snapshot_read.cold (user.c:?) [ 13.181004][ T73] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.181022][ T73] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 13.181038][ T73] br_device_event (net/bridge/br.c:111) bridge [ 13.181050][ T73] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 13.181056][ T73] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 13.181067][ T73] notifier_call_chain (kernel/notifier.c:85) [ 13.181077][ T73] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 13.181082][ T73] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 13.181087][ T73] ? __dev_close_many (net/core/dev.c:1804) [ 13.181092][ T73] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 13.181099][ T73] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 13.181103][ T73] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 13.181107][ T73] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.181109][ T73] ? kthread (kernel/kthread.c:436) [ 13.181112][ T73] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 13.181116][ T73] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 13.181121][ T73] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 13.181127][ T73] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.181137][ T73] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 13.181142][ T73] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 13.181146][ T73] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 13.181150][ T73] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 13.181153][ T73] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 13.181158][ T73] ? 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) [ 13.181164][ T73] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 13.181170][ T73] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.181175][ T73] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 13.181178][ T73] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.181183][ T73] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 13.181190][ T73] cleanup_net (net/core/net_namespace.c:706) [ 13.181195][ T73] ? net_passive_dec (./include/linux/llist.h:241) [ 13.181202][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.181205][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.181212][ T73] process_one_work (kernel/workqueue.c:3387) [ 13.181223][ T73] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.181227][ T73] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.181241][ T73] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.181247][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.181250][ T73] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 13.181255][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.181259][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.181261][ T73] kthread (kernel/kthread.c:436) [ 13.181264][ T73] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.181268][ T73] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.181273][ T73] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.181278][ T73] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.181286][ T73] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.181291][ T73] ? 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