====================================== | [ 11.324007][ T185] softirqs last disabled at (22309): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.324009][ T185] Preemption disabled at: | [ 11.324010][ T185] 0x0 | [ 11.324021][ T185] Tainted: [W]=WARN [ 11.324022][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.324023][ T185] Call Trace: [ 11.324025][ T185] [ 11.324026][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.324032][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 11.324038][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.324041][ 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) [ 11.324046][ 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)) [ 11.324048][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.324054][ 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) [ 11.324057][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.324061][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 11.324064][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.324070][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.324077][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.324080][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.324084][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.324088][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.324089][ 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)) [ 11.324091][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.324095][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.324099][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.324102][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.324103][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.324109][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.324111][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.324112][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.324114][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.324118][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.324120][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.324123][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 11.324126][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.324129][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.324133][ T185] _printk (kernel/printk/printk.c:2504) [ 11.324137][ T185] ? snapshot_read.cold (user.c:?) [ 11.324139][ 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) [ 11.324142][ T185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.324146][ 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) [ 11.324149][ T185] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.324153][ T185] ? exit_notify (kernel/exit.c:780) [ 11.324154][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.324157][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.324161][ T185] do_group_exit (kernel/exit.c:1151) [ 11.324164][ T185] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.324166][ T185] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.324168][ T185] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.324172][ T185] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.324175][ T185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.324178][ T185] RIP: 0033:0x7f65e00681b8 [ 11.324180][ T185] Code: Unable to access opcode bytes at 0x7f65e006818e. Code starting with the faulting instruction =========================================== [ 11.324181][ T185] RSP: 002b:00007ffef00da888 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.324183][ T185] RAX: ffffffffffffffda RBX: 00007f65e0198f88 RCX: 00007f65e00681b8 [ 11.324185][ T185] RDX: 00007f65dfdb2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.324185][ T185] RBP: 00007ffef00da8e0 R08: 0000000000000000 R09: 0000000000000050 [ 11.324186][ T185] R10: 00007ffef00da6a0 R11: 0000000000000246 R12: 0000000000000001 [ 11.324187][ T185] R13: 0000000000000000 R14: 00007f65e0197680 R15: 00007f65e0198fa0 | [ 12.531178][ T216] softirqs last disabled at (18768): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.531181][ T216] Preemption disabled at: | [ 12.531181][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.531191][ T216] Tainted: [W]=WARN [ 12.531192][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.531193][ T216] Call Trace: [ 12.531195][ T216] [ 12.531197][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.531202][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.531204][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 12.531209][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.531212][ 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) [ 12.531217][ 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)) [ 12.531219][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.531226][ 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) [ 12.531229][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.531232][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 12.531235][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.531238][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.531242][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.531245][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.531249][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.531252][ T216] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.531254][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531256][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531261][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.531262][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.531267][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.531271][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.531275][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.531276][ 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)) [ 12.531279][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531281][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.531285][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.531289][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.531290][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531296][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.531299][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.531300][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531302][ T216] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.531306][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.531308][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.531311][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 12.531314][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.531316][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.531319][ T216] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.531323][ T216] _printk (kernel/printk/printk.c:2504) [ 12.531327][ T216] ? snapshot_read.cold (user.c:?) [ 12.531331][ T216] ? br_multicast_flood (??:?) bridge [ 12.531344][ T216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.531346][ T216] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.531347][ T216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.531352][ T216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.531363][ T216] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.531376][ T216] new_nbp (net/bridge/br_if.c:449) bridge [ 12.531385][ T216] br_add_if (net/bridge/br_if.c:592) bridge [ 12.531393][ T216] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.531397][ T216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.531403][ T216] do_set_master (net/core/rtnetlink.c:3071) [ 12.531409][ T216] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.531413][ T216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.531416][ T216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.531417][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.531420][ T216] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.531423][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.531425][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.531428][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.531430][ T216] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.531433][ T216] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.531435][ T216] ? kasan_save_track (mm/kasan/common.c:78) [ 12.531438][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531440][ T216] ? netlink_update_listeners (net/netlink/af_netlink.c:532) [ 12.531443][ T216] ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763) [ 12.531447][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.531449][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.531452][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531454][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.531456][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531457][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531459][ T216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.531461][ 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) [ 12.531464][ T216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.531467][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.531470][ T216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.531472][ T216] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.531478][ T216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.531483][ T216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.531488][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.531490][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531494][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.531496][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.531499][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.531500][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.531504][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.531506][ T216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.531509][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.531511][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531515][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.531517][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.531521][ T216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.531523][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.531526][ T216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.531532][ 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)) [ 12.531533][ 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)) [ 12.531537][ T216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.531541][ T216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.531544][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 12.531548][ T216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.531551][ T216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.531553][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.531556][ T216] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.531559][ T216] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.531563][ T216] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.531566][ T216] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.531568][ T216] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.531569][ T216] ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1)) [ 12.531577][ T216] ___sys_sendmsg (net/socket.c:2767) [ 12.531579][ T216] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.531595][ T216] __sys_sendmsg (net/socket.c:2799) [ 12.531598][ T216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.531604][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531608][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.531610][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.531614][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.531616][ T216] RIP: 0033:0x7f99d780954e [ 12.531619][ 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 [ 12.531621][ T216] RSP: 002b:00007fff691829b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.531624][ T216] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f99d780954e [ 12.531625][ T216] RDX: 0000000000000000 RSI: 00007fff69182a60 RDI: 0000000000000005 [ 12.531626][ T216] RBP: 00007fff691829c0 R08: 0000000000000000 R09: 0000000000000000 [ 12.531627][ T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9132c4 [ 12.531628][ T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff69183130 | [ 13.744582][ T195] softirqs last disabled at (312): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge | [ 13.744590][ T195] Preemption disabled at: | [ 13.744590][ T195] 0x0 | [ 13.744600][ T195] Tainted: [W]=WARN [ 13.744601][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.744603][ T195] Workqueue: events_unbound linkwatch_event [ 13.744606][ T195] Call Trace: [ 13.744608][ T195] [ 13.744610][ T195] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.744615][ T195] __might_resched.cold (kernel/sched/core.c:9234) [ 13.744620][ T195] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.744623][ T195] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.744628][ T195] __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)) [ 13.744630][ T195] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.744636][ T195] ? 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) [ 13.744639][ T195] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.744643][ T195] put_chars (drivers/char/virtio_console.c:1176) [ 13.744646][ T195] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.744647][ T195] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 13.744652][ T195] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.744656][ T195] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.744660][ T195] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.744662][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.744663][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.744668][ T195] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.744669][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.744674][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.744678][ T195] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.744682][ T195] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.744683][ T195] ? 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)) [ 13.744685][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.744688][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.744693][ T195] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.744696][ T195] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.744698][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.744703][ T195] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.744705][ T195] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.744707][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.744709][ T195] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.744712][ T195] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.744714][ T195] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.744717][ T195] vprintk_emit (kernel/printk/printk.c:2479) [ 13.744721][ T195] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.744726][ T195] _printk (kernel/printk/printk.c:2504) [ 13.744730][ T195] ? snapshot_read.cold (user.c:?) [ 13.744735][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.744739][ T195] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.744750][ T195] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.744758][ T195] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 13.744765][ T195] br_port_carrier_check (net/bridge/br_if.c:90) bridge [ 13.744774][ T195] br_device_event (net/bridge/br.c:101) bridge [ 13.744783][ T195] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 13.744785][ T195] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 13.744792][ T195] notifier_call_chain (kernel/notifier.c:85) [ 13.744798][ T195] netif_state_change (net/core/dev.c:1625) [ 13.744802][ T195] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.744807][ T195] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 13.744809][ T195] __linkwatch_run_queue (net/core/link_watch.c:240) [ 13.744812][ T195] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.744815][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.744819][ T195] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 13.744822][ T195] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 13.744825][ T195] process_one_work (kernel/workqueue.c:3387) [ 13.744831][ T195] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.744833][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.744841][ T195] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.744845][ T195] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.744846][ T195] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 13.744849][ T195] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.744852][ T195] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.744853][ T195] kthread (kernel/kthread.c:436) [ 13.744855][ T195] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.744858][ T195] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.744861][ T195] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.744866][ T195] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.744869][ T195] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.744872][ T195] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.744875][ T195] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.152490][ T12] softirqs last disabled at (18184): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan | [ 15.152494][ T12] Preemption disabled at: | [ 15.152495][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.152504][ T12] Tainted: [W]=WARN [ 15.152505][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.152507][ T12] Workqueue: netns cleanup_net [ 15.152510][ T12] Call Trace: [ 15.152512][ T12] [ 15.152514][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.152519][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.152521][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 15.152526][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.152529][ 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) [ 15.152534][ 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)) [ 15.152536][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.152542][ 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) [ 15.152545][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.152548][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 15.152551][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.152555][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 15.152560][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.152563][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.152569][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.152572][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.152578][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.152581][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.152583][ 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)) [ 15.152585][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.152587][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.152591][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.152595][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.152597][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.152603][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.152605][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.152606][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.152608][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.152612][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.152614][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.152617][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 15.152620][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.152622][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 15.152623][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.152625][ T12] ? kthread (kernel/kthread.c:436) [ 15.152627][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 15.152631][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 15.152636][ T12] _printk (kernel/printk/printk.c:2504) [ 15.152639][ T12] ? snapshot_read.cold (user.c:?) [ 15.152644][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.152647][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.152651][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.152654][ T12] ? netdev_notice (net/core/dev.c:13194) [ 15.152658][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.152660][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 15.152662][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 15.152665][ 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) [ 15.152667][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 15.152673][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 15.152677][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 15.152691][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 15.152700][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 15.152708][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 15.152712][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.152717][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 15.152718][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.152722][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 15.152726][ T12] cleanup_net (net/core/net_namespace.c:706) [ 15.152729][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 15.152733][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.152735][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.152739][ T12] process_one_work (kernel/workqueue.c:3387) [ 15.152745][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.152747][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.152755][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.152762][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.152764][ T12] kthread (kernel/kthread.c:436) [ 15.152766][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.152769][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.152771][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.152774][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.152778][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.152781][ 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 vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars