====================================== | [ 9.575604][ T185] softirqs last disabled at (32145): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.575606][ T185] Preemption disabled at: | [ 9.575607][ T185] 0x0 | [ 9.575617][ T185] Tainted: [W]=WARN [ 9.575618][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.575620][ T185] Call Trace: [ 9.575621][ T185] [ 9.575622][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.575628][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 9.575632][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.575636][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.575641][ T185] __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)) [ 9.575643][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.575649][ T185] ? 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) [ 9.575652][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.575655][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 9.575658][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.575664][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.575671][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.575673][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.575678][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.575681][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.575682][ T185] ? 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)) [ 9.575685][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575688][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.575692][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.575696][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.575697][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.575702][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.575704][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.575706][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575707][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.575711][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.575713][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.575716][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 9.575719][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.575721][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.575725][ T185] _printk (kernel/printk/printk.c:2504) [ 9.575729][ T185] ? snapshot_read.cold (user.c:?) [ 9.575732][ T185] ? 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) [ 9.575734][ T185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.575738][ T185] ? 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) [ 9.575741][ T185] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.575745][ T185] ? exit_notify (kernel/exit.c:780) [ 9.575746][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.575749][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575752][ T185] do_group_exit (kernel/exit.c:1151) [ 9.575755][ T185] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.575757][ T185] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.575760][ T185] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.575763][ T185] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.575766][ T185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.575768][ T185] RIP: 0033:0x7f85f4b771b8 [ 9.575770][ T185] Code: Unable to access opcode bytes at 0x7f85f4b7718e. Code starting with the faulting instruction =========================================== [ 9.575771][ T185] RSP: 002b:00007ffe53bf36e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.575774][ T185] RAX: ffffffffffffffda RBX: 00007f85f4ca7f88 RCX: 00007f85f4b771b8 [ 9.575775][ T185] RDX: 00007f85f48c1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.575776][ T185] RBP: 00007ffe53bf3740 R08: 0000000000000000 R09: 0000000000000050 [ 9.575777][ T185] R10: 00007ffe53bf3500 R11: 0000000000000246 R12: 0000000000000001 [ 9.575778][ T185] R13: 0000000000000000 R14: 00007f85f4ca6680 R15: 00007f85f4ca7fa0 | [ 10.585782][ T216] softirqs last disabled at (15352): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.585784][ T216] Preemption disabled at: | [ 10.585785][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.585795][ T216] Tainted: [W]=WARN [ 10.585796][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.585798][ T216] Call Trace: [ 10.585799][ T216] [ 10.585801][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.585805][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.585807][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 10.585811][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.585815][ 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) [ 10.585820][ 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)) [ 10.585822][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.585828][ 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) [ 10.585831][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.585834][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 10.585837][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.585840][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.585844][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.585846][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.585851][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.585854][ T216] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.585856][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.585858][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.585862][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.585863][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.585868][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.585872][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.585875][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.585876][ 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)) [ 10.585879][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.585881][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.585885][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.585889][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.585890][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.585895][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.585898][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.585899][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.585901][ T216] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.585904][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.585906][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.585909][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 10.585912][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.585914][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.585917][ T216] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.585921][ T216] _printk (kernel/printk/printk.c:2504) [ 10.585924][ T216] ? snapshot_read.cold (user.c:?) [ 10.585928][ T216] ? br_multicast_flood (??:?) bridge [ 10.585940][ T216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.585941][ T216] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.585942][ T216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.585947][ T216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 10.585957][ T216] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 10.585965][ T216] new_nbp (net/bridge/br_if.c:449) bridge [ 10.585974][ T216] br_add_if (net/bridge/br_if.c:592) bridge [ 10.585981][ T216] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.585986][ T216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.585991][ T216] do_set_master (net/core/rtnetlink.c:3071) [ 10.585996][ T216] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.585999][ T216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.586002][ T216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.586004][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.586006][ T216] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.586009][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.586011][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.586013][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.586016][ T216] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.586019][ T216] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.586020][ T216] ? kasan_save_track (mm/kasan/common.c:78) [ 10.586023][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.586025][ T216] ? netlink_update_listeners (net/netlink/af_netlink.c:532) [ 10.586028][ T216] ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763) [ 10.586032][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.586034][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.586037][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.586039][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.586040][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.586042][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.586043][ T216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.586046][ 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) [ 10.586049][ T216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.586051][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.586054][ T216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.586056][ T216] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.586062][ T216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.586067][ T216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.586072][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.586074][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.586078][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.586080][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.586083][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.586084][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.586088][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.586090][ T216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.586093][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.586094][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.586098][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.586100][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.586104][ T216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.586106][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.586108][ T216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.586114][ 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)) [ 10.586116][ 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)) [ 10.586120][ T216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.586123][ T216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.586126][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.586130][ T216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.586134][ T216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.586135][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.586138][ T216] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.586141][ T216] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.586145][ T216] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.586147][ T216] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.586150][ T216] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.586151][ T216] ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1)) [ 10.586158][ T216] ___sys_sendmsg (net/socket.c:2767) [ 10.586161][ T216] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.586176][ T216] __sys_sendmsg (net/socket.c:2799) [ 10.586179][ T216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.586185][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.586188][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.586194][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.586197][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.586200][ T216] RIP: 0033:0x7f9918ab454e [ 10.586203][ 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 [ 10.586204][ T216] RSP: 002b:00007ffc63f85c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.586207][ T216] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9918ab454e [ 10.586208][ T216] RDX: 0000000000000000 RSI: 00007ffc63f85cb0 RDI: 0000000000000005 [ 10.586209][ T216] RBP: 00007ffc63f85c10 R08: 0000000000000000 R09: 0000000000000000 [ 10.586210][ T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194c5 [ 10.586211][ T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc63f86380 | [ 11.949352][ T38] softirqs last disabled at (19976): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge | [ 11.949360][ T38] Preemption disabled at: | [ 11.949361][ T38] 0x0 | [ 11.949371][ T38] Tainted: [W]=WARN [ 11.949371][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.949373][ T38] Workqueue: events_unbound linkwatch_event [ 11.949376][ T38] Call Trace: [ 11.949378][ T38] [ 11.949380][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.949385][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 11.949390][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.949393][ 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) [ 11.949398][ 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)) [ 11.949400][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.949406][ 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) [ 11.949409][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.949412][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 11.949415][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.949417][ T38] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 11.949422][ T38] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.949425][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.949428][ T38] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.949430][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.949432][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.949437][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.949438][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.949443][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.949447][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.949450][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.949451][ 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)) [ 11.949454][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.949457][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.949462][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.949465][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.949466][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.949472][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.949474][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.949476][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.949477][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.949481][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.949483][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.949486][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 11.949490][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.949495][ T38] _printk (kernel/printk/printk.c:2504) [ 11.949499][ T38] ? snapshot_read.cold (user.c:?) [ 11.949504][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.949508][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.949518][ T38] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.949526][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 11.949534][ T38] br_port_carrier_check (net/bridge/br_if.c:90) bridge [ 11.949542][ T38] br_device_event (net/bridge/br.c:101) bridge [ 11.949551][ T38] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 11.949553][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 11.949559][ T38] notifier_call_chain (kernel/notifier.c:85) [ 11.949566][ T38] netif_state_change (net/core/dev.c:1625) [ 11.949570][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.949575][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 11.949577][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 11.949580][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.949582][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.949587][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 11.949589][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 11.949592][ T38] process_one_work (kernel/workqueue.c:3387) [ 11.949598][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.949600][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.949608][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.949614][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.949616][ T38] kthread (kernel/kthread.c:436) [ 11.949618][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.949622][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.949625][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.949629][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.949632][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.949636][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.949638][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 13.055959][ T12] softirqs last disabled at (39729): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 13.055961][ T12] Preemption disabled at: | [ 13.055962][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.055970][ T12] Tainted: [W]=WARN [ 13.055971][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.055973][ T12] Workqueue: netns cleanup_net [ 13.055976][ T12] Call Trace: [ 13.055977][ T12] [ 13.055979][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.055984][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.055985][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 13.055990][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.055993][ 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) [ 13.055998][ 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)) [ 13.056001][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.056007][ 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) [ 13.056010][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.056013][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 13.056016][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.056018][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.056022][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.056025][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.056031][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.056034][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.056040][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.056042][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.056048][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.056051][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.056053][ 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)) [ 13.056056][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.056057][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.056062][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.056066][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.056067][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.056073][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.056076][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.056077][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.056079][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.056083][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.056085][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.056088][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 13.056091][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.056093][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 13.056094][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.056096][ T12] ? kthread (kernel/kthread.c:436) [ 13.056098][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 13.056101][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 13.056106][ T12] _printk (kernel/printk/printk.c:2504) [ 13.056109][ T12] ? snapshot_read.cold (user.c:?) [ 13.056114][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 13.056117][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 13.056121][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.056124][ T12] ? netdev_notice (net/core/dev.c:13194) [ 13.056128][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.056130][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 13.056133][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 13.056135][ 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) [ 13.056138][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 13.056143][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 13.056147][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 13.056164][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 13.056173][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 13.056181][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 13.056185][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.056189][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 13.056191][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.056194][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 13.056203][ T12] cleanup_net (net/core/net_namespace.c:706) [ 13.056207][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 13.056210][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.056213][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.056216][ T12] process_one_work (kernel/workqueue.c:3387) [ 13.056223][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.056225][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.056233][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.056241][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.056242][ T12] kthread (kernel/kthread.c:436) [ 13.056244][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.056248][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.056251][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.056254][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.056257][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.056260][ 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 do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars