====================================== | [ 11.083138][ T205] softirqs last disabled at (34379): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.083140][ T205] Preemption disabled at: | [ 11.083141][ T205] 0x0 | [ 11.083157][ T205] Tainted: [W]=WARN [ 11.083158][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.083160][ T205] Call Trace: [ 11.083161][ T205] [ 11.083163][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.083169][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 11.083174][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.083178][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.083182][ T205] __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)) [ 11.083184][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.083191][ T205] ? 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) [ 11.083193][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.083197][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 11.083199][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.083200][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.083204][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.083209][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.083217][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.083219][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.083221][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.083225][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.083230][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.083231][ T205] ? 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)) [ 11.083234][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.083236][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.083240][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.083244][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.083246][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.083251][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.083254][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.083256][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.083258][ T205] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.083261][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.083263][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.083266][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 11.083269][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.083272][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.083275][ T205] _printk (kernel/printk/printk.c:2504) [ 11.083279][ T205] ? snapshot_read.cold (user.c:?) [ 11.083282][ T205] ? 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) [ 11.083284][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.083288][ T205] ? 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) [ 11.083291][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.083295][ T205] ? exit_notify (kernel/exit.c:780) [ 11.083296][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.083299][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.083302][ T205] do_group_exit (kernel/exit.c:1151) [ 11.083305][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.083307][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.083309][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.083313][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.083316][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.083318][ T205] RIP: 0033:0x7fdebbec91b8 [ 11.083320][ T205] Code: Unable to access opcode bytes at 0x7fdebbec918e. Code starting with the faulting instruction =========================================== [ 11.083321][ T205] RSP: 002b:00007ffea0f55968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.083324][ T205] RAX: ffffffffffffffda RBX: 00007fdebbff9f88 RCX: 00007fdebbec91b8 [ 11.083325][ T205] RDX: 00007fdebbe06a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.083326][ T205] RBP: 00007ffea0f559c0 R08: 0000000000000000 R09: 0000000000000030 [ 11.083327][ T205] R10: 00007ffea0f55800 R11: 0000000000000246 R12: 0000000000000002 [ 11.083327][ T205] R13: 0000000000000000 R14: 00007fdebbff8680 R15: 00007fdebbff9fa0 | [ 12.358332][ T251] softirqs last disabled at (21350): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.358335][ T251] Preemption disabled at: | [ 12.358335][ T251] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.358344][ T251] Tainted: [W]=WARN [ 12.358345][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.358347][ T251] Call Trace: [ 12.358348][ T251] [ 12.358350][ T251] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.358356][ T251] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.358357][ T251] __might_resched.cold (kernel/sched/core.c:9234) [ 12.358362][ T251] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.358366][ T251] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.358371][ T251] __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)) [ 12.358373][ T251] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.358379][ T251] ? 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) [ 12.358382][ T251] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.358387][ T251] put_chars (drivers/char/virtio_console.c:1176) [ 12.358389][ T251] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.358391][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.358394][ T251] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.358400][ T251] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.358407][ T251] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.358410][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358412][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.358416][ T251] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.358420][ T251] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.358421][ T251] ? 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)) [ 12.358425][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358426][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.358430][ T251] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.358434][ T251] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.358436][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.358441][ T251] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.358444][ T251] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.358446][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358448][ T251] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.358451][ T251] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.358453][ T251] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.358456][ T251] vprintk_emit (kernel/printk/printk.c:2479) [ 12.358459][ T251] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.358460][ T251] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.358462][ T251] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.358468][ T251] _printk (kernel/printk/printk.c:2504) [ 12.358472][ T251] ? snapshot_read.cold (user.c:?) [ 12.358476][ T251] ? br_multicast_flood (??:?) [ 12.358479][ T251] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.358481][ T251] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.358482][ T251] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.358486][ T251] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.358491][ T251] br_init_port (net/bridge/br_stp_if.c:39) [ 12.358493][ T251] new_nbp (net/bridge/br_if.c:449) [ 12.358497][ T251] br_add_if (net/bridge/br_if.c:592) [ 12.358499][ T251] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.358503][ T251] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.358508][ T251] do_set_master (net/core/rtnetlink.c:3071) [ 12.358512][ T251] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.358515][ T251] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.358519][ T251] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.358520][ T251] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.358523][ T251] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.358526][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.358528][ T251] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.358530][ T251] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.358533][ T251] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.358535][ T251] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.358536][ T251] ? kasan_save_track (mm/kasan/common.c:78) [ 12.358538][ T251] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.358540][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.358542][ T251] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.358545][ T251] ? ___sys_sendmsg (net/socket.c:2758) [ 12.358548][ T251] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.358550][ T251] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.358553][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358555][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.358556][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358557][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358559][ T251] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.358561][ T251] ? __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) [ 12.358562][ T251] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.358564][ T251] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.358568][ T251] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.358569][ T251] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.358574][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358576][ T251] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.358581][ T251] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.358586][ T251] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.358588][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.358592][ T251] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.358594][ T251] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.358597][ T251] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.358598][ T251] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.358602][ T251] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.358604][ T251] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.358607][ T251] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.358608][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.358613][ T251] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.358615][ T251] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.358618][ T251] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.358622][ T251] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.358624][ T251] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.358631][ T251] ? 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)) [ 12.358633][ T251] ? 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)) [ 12.358637][ T251] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.358641][ T251] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.358643][ T251] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.358648][ T251] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.358651][ T251] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.358655][ T251] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.358657][ T251] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.358662][ T251] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.358665][ T251] ____sys_sendmsg (net/socket.c:2713) [ 12.358667][ T251] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.358670][ T251] ? sock_write_iter (net/socket.c:1269) [ 12.358671][ T251] ? move_addr_to_kernel (net/socket.c:258) [ 12.358678][ T251] ___sys_sendmsg (net/socket.c:2767) [ 12.358681][ T251] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.358697][ T251] __sys_sendmsg (net/socket.c:2799) [ 12.358700][ T251] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.358706][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.358709][ T251] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.358712][ T251] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.358715][ T251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.358717][ T251] RIP: 0033:0x7fbeef59f54e [ 12.358721][ T251] 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 [ 12.358722][ T251] RSP: 002b:00007ffd48ba5670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.358725][ T251] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbeef59f54e [ 12.358726][ T251] RDX: 0000000000000000 RSI: 00007ffd48ba5720 RDI: 0000000000000005 [ 12.358727][ T251] RBP: 00007ffd48ba5680 R08: 0000000000000000 R09: 0000000000000000 [ 12.358728][ T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b527 [ 12.358729][ T251] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd48ba5df0 | [ 13.499294][ T281] softirqs last disabled at (21264): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 13.499297][ T281] Preemption disabled at: | [ 13.499297][ T281] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.499306][ T281] Tainted: [W]=WARN [ 13.499307][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.499308][ T281] Call Trace: [ 13.499310][ T281] [ 13.499311][ T281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.499317][ T281] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.499319][ T281] __might_resched.cold (kernel/sched/core.c:9234) [ 13.499323][ T281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.499328][ T281] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.499332][ T281] __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)) [ 13.499334][ T281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.499341][ T281] ? 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) [ 13.499343][ T281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.499347][ T281] put_chars (drivers/char/virtio_console.c:1176) [ 13.499349][ T281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.499351][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.499354][ T281] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.499360][ T281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.499367][ T281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.499370][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499372][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.499376][ T281] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.499380][ T281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.499382][ T281] ? 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)) [ 13.499385][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499387][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.499391][ T281] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.499395][ T281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.499397][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.499402][ T281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.499405][ T281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.499407][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499409][ T281] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 13.499412][ T281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.499414][ T281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.499417][ T281] vprintk_emit (kernel/printk/printk.c:2479) [ 13.499420][ T281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.499422][ T281] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.499425][ T281] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.499428][ T281] _printk (kernel/printk/printk.c:2504) [ 13.499432][ T281] ? snapshot_read.cold (user.c:?) [ 13.499436][ T281] ? br_multicast_flood (??:?) [ 13.499439][ T281] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.499441][ T281] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.499442][ T281] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.499446][ T281] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.499450][ T281] br_init_port (net/bridge/br_stp_if.c:39) [ 13.499453][ T281] new_nbp (net/bridge/br_if.c:449) [ 13.499457][ T281] br_add_if (net/bridge/br_if.c:592) [ 13.499459][ T281] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.499463][ T281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.499468][ T281] do_set_master (net/core/rtnetlink.c:3071) [ 13.499472][ T281] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.499475][ T281] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.499479][ T281] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.499480][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.499483][ T281] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.499486][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.499488][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.499490][ T281] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.499492][ T281] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.499495][ T281] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.499496][ T281] ? kasan_save_track (mm/kasan/common.c:78) [ 13.499497][ T281] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 13.499499][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.499501][ T281] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 13.499504][ T281] ? ___sys_sendmsg (net/socket.c:2758) [ 13.499508][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.499510][ T281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.499512][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499514][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.499515][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499516][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499518][ T281] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.499521][ T281] ? __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) [ 13.499523][ T281] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.499525][ T281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.499529][ T281] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.499530][ T281] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.499535][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499537][ T281] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.499542][ T281] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.499547][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.499549][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.499554][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.499556][ T281] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.499558][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.499560][ T281] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.499563][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.499565][ T281] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.499568][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.499570][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.499574][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.499576][ T281] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.499580][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.499583][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.499586][ T281] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.499592][ T281] ? 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)) [ 13.499594][ T281] ? 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)) [ 13.499599][ T281] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.499603][ T281] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.499605][ T281] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.499610][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.499614][ T281] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.499617][ T281] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.499619][ T281] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.499625][ T281] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.499627][ T281] ____sys_sendmsg (net/socket.c:2713) [ 13.499630][ T281] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.499632][ T281] ? sock_write_iter (net/socket.c:1269) [ 13.499633][ T281] ? move_addr_to_kernel (net/socket.c:258) [ 13.499641][ T281] ___sys_sendmsg (net/socket.c:2767) [ 13.499644][ T281] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.499660][ T281] __sys_sendmsg (net/socket.c:2799) [ 13.499663][ T281] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.499669][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.499672][ T281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.499677][ T281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.499680][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.499683][ T281] RIP: 0033:0x7f0f1db7a54e [ 13.499686][ T281] 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 [ 13.499688][ T281] RSP: 002b:00007ffef3f241b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.499691][ T281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0f1db7a54e [ 13.499693][ T281] RDX: 0000000000000000 RSI: 00007ffef3f24260 RDI: 0000000000000005 [ 13.499693][ T281] RBP: 00007ffef3f241c0 R08: 0000000000000000 R09: 0000000000000000 [ 13.499694][ T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b528 [ 13.499695][ T281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef3f24930 | [ 14.536476][ T12] softirqs last disabled at (63976): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 14.536478][ T12] Preemption disabled at: | [ 14.536479][ T12] 0x0 | [ 14.536490][ T12] Tainted: [W]=WARN [ 14.536491][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.536493][ T12] Workqueue: netns cleanup_net [ 14.536496][ T12] Call Trace: [ 14.536497][ T12] [ 14.536499][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.536506][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 14.536511][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.536515][ 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) [ 14.536519][ 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)) [ 14.536521][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.536528][ 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) [ 14.536531][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.536535][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 14.536537][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.536544][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.536552][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.536555][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.536560][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.536564][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.536566][ 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)) [ 14.536569][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.536572][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.536576][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.536581][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.536582][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.536588][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.536591][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.536593][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.536595][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.536599][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.536600][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.536603][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 14.536607][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.536608][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.536610][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.536612][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.536617][ T12] _printk (kernel/printk/printk.c:2504) [ 14.536621][ T12] ? snapshot_read.cold (user.c:?) [ 14.536629][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.536634][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 14.536637][ T12] br_device_event (net/bridge/br.c:111) [ 14.536639][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.536644][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.536650][ T12] notifier_call_chain (kernel/notifier.c:85) [ 14.536656][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 14.536660][ 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) [ 14.536662][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 14.536665][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 14.536670][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 14.536672][ T12] ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4537) vxlan [ 14.536683][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 14.536688][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) vxlan [ 14.536695][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4729 drivers/net/vxlan/vxlan_core.c:4739) vxlan [ 14.536700][ T12] ? vxlan_exit_rtnl (drivers/net/vxlan/vxlan_core.c:4926 drivers/net/vxlan/vxlan_core.c:4938) vxlan [ 14.536703][ T12] ? netconsole_netdev_event (drivers/net/netconsole.c:722 drivers/net/netconsole.c:1992) [ 14.536710][ T12] notifier_call_chain (kernel/notifier.c:85) [ 14.536715][ T12] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 14.536720][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 14.536724][ T12] ? vrf_map_unregister_dev (./include/linux/list.h:1045 (discriminator 2)) [ 14.536731][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 14.536734][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 14.536737][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.536739][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 14.536744][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 14.536747][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.536750][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 14.536752][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.536755][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 14.536760][ T12] cleanup_net (net/core/net_namespace.c:706) [ 14.536763][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 14.536767][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.536769][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.536772][ T12] process_one_work (kernel/workqueue.c:3387) [ 14.536779][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.536782][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.536790][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.536798][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.536800][ T12] kthread (kernel/kthread.c:436) [ 14.536802][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.536805][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.536808][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.536812][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.536816][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.536819][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars