====================================== | [ 10.583202][ T210] softirqs last disabled at (25719): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.583204][ T210] Preemption disabled at: | [ 10.583205][ T210] 0x0 | [ 10.583216][ T210] Tainted: [W]=WARN [ 10.583217][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.583219][ T210] Call Trace: [ 10.583220][ T210] [ 10.583221][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.583228][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 10.583232][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.583236][ T210] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.583241][ T210] __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)) [ 10.583243][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.583250][ T210] ? 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) [ 10.583253][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.583256][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 10.583259][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.583260][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.583263][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.583269][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.583277][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.583279][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.583281][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.583285][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.583290][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.583291][ T210] ? 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)) [ 10.583295][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.583297][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.583301][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.583305][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.583307][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.583312][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.583315][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.583317][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.583319][ T210] ? 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) [ 10.583322][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.583324][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.583327][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 10.583330][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.583333][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.583337][ T210] _printk (kernel/printk/printk.c:2504) [ 10.583340][ T210] ? snapshot_read.cold (user.c:?) [ 10.583343][ T210] ? 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) [ 10.583346][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.583350][ T210] ? 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) [ 10.583353][ T210] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.583357][ T210] ? exit_notify (kernel/exit.c:780) [ 10.583358][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.583361][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.583365][ T210] do_group_exit (kernel/exit.c:1151) [ 10.583368][ T210] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.583370][ T210] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.583373][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.583377][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.583380][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.583382][ T210] RIP: 0033:0x7fc23c89b1b8 [ 10.583384][ T210] Code: Unable to access opcode bytes at 0x7fc23c89b18e. Code starting with the faulting instruction =========================================== [ 10.583386][ T210] RSP: 002b:00007fff38b8f5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.583388][ T210] RAX: ffffffffffffffda RBX: 00007fc23c9cbf88 RCX: 00007fc23c89b1b8 [ 10.583389][ T210] RDX: 00007fc23c5e5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.583390][ T210] RBP: 00007fff38b8f640 R08: 0000000000000000 R09: 0000000000000050 [ 10.583391][ T210] R10: 00007fff38b8f400 R11: 0000000000000246 R12: 0000000000000001 [ 10.583392][ T210] R13: 0000000000000000 R14: 00007fc23c9ca680 R15: 00007fc23c9cbfa0 | [ 11.592035][ T260] softirqs last disabled at (25178): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.592038][ T260] Preemption disabled at: | [ 11.592038][ T260] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.592048][ T260] Tainted: [W]=WARN [ 11.592049][ T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.592051][ T260] Call Trace: [ 11.592052][ T260] [ 11.592054][ T260] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.592060][ T260] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.592062][ T260] __might_resched.cold (kernel/sched/core.c:9234) [ 11.592067][ T260] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.592071][ T260] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.592076][ T260] __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)) [ 11.592078][ T260] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.592085][ T260] ? 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) [ 11.592088][ T260] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.592091][ T260] put_chars (drivers/char/virtio_console.c:1176) [ 11.592094][ T260] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.592095][ T260] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.592098][ T260] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.592104][ T260] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.592112][ T260] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.592115][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592117][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.592121][ T260] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.592125][ T260] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.592127][ T260] ? 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)) [ 11.592130][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592132][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.592136][ T260] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.592140][ T260] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.592142][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.592147][ T260] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.592150][ T260] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.592152][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592154][ T260] ? 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) [ 11.592158][ T260] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.592159][ T260] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.592162][ T260] vprintk_emit (kernel/printk/printk.c:2479) [ 11.592165][ T260] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.592167][ T260] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.592169][ T260] ? __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) [ 11.592172][ T260] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.592176][ T260] _printk (kernel/printk/printk.c:2504) [ 11.592179][ T260] ? snapshot_read.cold (user.c:?) [ 11.592182][ T260] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 11.592187][ T260] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 11.592191][ T260] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.592195][ T260] br_init_port (net/bridge/br_stp_if.c:39) [ 11.592198][ T260] new_nbp (net/bridge/br_if.c:449) [ 11.592201][ T260] br_add_if (net/bridge/br_if.c:592) [ 11.592204][ T260] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 11.592205][ T260] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.592212][ T260] do_set_master (net/core/rtnetlink.c:3071) [ 11.592215][ T260] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.592219][ T260] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.592222][ T260] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.592224][ T260] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.592226][ T260] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.592230][ T260] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.592232][ T260] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.592234][ T260] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.592236][ T260] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.592239][ T260] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.592240][ T260] ? kasan_save_track (mm/kasan/common.c:78) [ 11.592241][ T260] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.592244][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.592245][ T260] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.592248][ T260] ? ___sys_sendmsg (net/socket.c:2758) [ 11.592252][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.592254][ T260] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.592257][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592259][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.592260][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592261][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592263][ T260] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.592265][ T260] ? __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) [ 11.592266][ T260] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.592268][ T260] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.592271][ T260] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.592273][ T260] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.592278][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592280][ T260] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.592285][ T260] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.592290][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.592292][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.592297][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.592299][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.592301][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.592303][ T260] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.592307][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.592309][ T260] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.592312][ T260] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.592313][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.592318][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.592320][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.592323][ T260] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.592327][ T260] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.592330][ T260] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.592336][ T260] ? 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)) [ 11.592338][ T260] ? 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)) [ 11.592343][ T260] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.592347][ T260] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.592349][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.592354][ T260] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.592358][ T260] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.592361][ T260] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.592363][ T260] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.592368][ T260] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.592371][ T260] ____sys_sendmsg (net/socket.c:2713) [ 11.592374][ T260] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.592376][ T260] ? sock_write_iter (net/socket.c:1269) [ 11.592377][ T260] ? move_addr_to_kernel (net/socket.c:258) [ 11.592385][ T260] ___sys_sendmsg (net/socket.c:2767) [ 11.592388][ T260] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.592404][ T260] __sys_sendmsg (net/socket.c:2799) [ 11.592407][ T260] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.592413][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.592416][ T260] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.592419][ T260] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.592422][ T260] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.592425][ T260] RIP: 0033:0x7fe814c6354e [ 11.592428][ T260] 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 [ 11.592430][ T260] RSP: 002b:00007ffe4d016f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.592433][ T260] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe814c6354e [ 11.592434][ T260] RDX: 0000000000000000 RSI: 00007ffe4d017030 RDI: 0000000000000005 [ 11.592435][ T260] RBP: 00007ffe4d016f90 R08: 0000000000000000 R09: 0000000000000000 [ 11.592436][ T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915835 [ 11.592437][ T260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4d017700 | [ 17.628216][ T292] softirqs last disabled at (23201): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.628218][ T292] Preemption disabled at: | [ 17.628219][ T292] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.628228][ T292] Tainted: [W]=WARN [ 17.628229][ T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.628231][ T292] Call Trace: [ 17.628233][ T292] [ 17.628234][ T292] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.628240][ T292] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.628242][ T292] __might_resched.cold (kernel/sched/core.c:9234) [ 17.628246][ T292] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.628250][ T292] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.628255][ T292] __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)) [ 17.628257][ T292] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.628264][ T292] ? 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) [ 17.628267][ T292] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.628271][ T292] put_chars (drivers/char/virtio_console.c:1176) [ 17.628273][ T292] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.628275][ T292] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.628278][ T292] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.628281][ T292] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.628286][ T292] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.628290][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.628292][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.628297][ T292] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.628299][ T292] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.628302][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.628304][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.628308][ T292] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.628312][ T292] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.628314][ T292] ? 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)) [ 17.628318][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.628319][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.628323][ T292] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.628327][ T292] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.628329][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.628335][ T292] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.628338][ T292] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.628340][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.628342][ T292] ? 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) [ 17.628345][ T292] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.628347][ T292] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.628350][ T292] vprintk_emit (kernel/printk/printk.c:2479) [ 17.628354][ T292] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.628359][ T292] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 17.628362][ T292] _printk (kernel/printk/printk.c:2504) [ 17.628366][ T292] ? snapshot_read.cold (user.c:?) [ 17.628372][ T292] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 17.628376][ T292] gact_init_module (net/sched/act_gact.c:180) act_gact [ 17.628378][ T292] do_one_initcall (init/main.c:1357) [ 17.628381][ T292] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.628386][ T292] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.628388][ T292] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.628394][ T292] do_init_module (kernel/module/main.c:3117) [ 17.628397][ T292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.628401][ T292] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.628403][ T292] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.628407][ T292] load_module (kernel/module/main.c:3593) [ 17.628412][ T292] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 17.628417][ T292] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.628420][ T292] ? __ia32_sys_fsconfig (??:?) [ 17.628425][ T292] ? backing_file_read_iter (fs/backing-file.c:211) [ 17.628429][ T292] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.628432][ T292] init_module_from_file (kernel/module/main.c:3790) [ 17.628435][ T292] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.628442][ T292] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.628446][ T292] ? 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) [ 17.628449][ T292] idempotent_init_module (kernel/module/main.c:3802) [ 17.628452][ T292] ? init_module_from_file (kernel/module/main.c:3791) [ 17.628457][ T292] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.628460][ T292] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 17.628465][ T292] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.628467][ T292] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.628471][ T292] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.628474][ T292] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.628476][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.628479][ T292] RIP: 0033:0x7f4d5d6ed37d [ 17.628482][ T292] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 17.628484][ T292] RSP: 002b:00007ffdbd262888 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.628487][ T292] RAX: ffffffffffffffda RBX: 000055b0a41ed810 RCX: 00007f4d5d6ed37d [ 17.628488][ T292] RDX: 0000000000000000 RSI: 000055b0a2ff0ffd RDI: 0000000000000000 [ 17.628489][ T292] RBP: 00007ffdbd262920 R08: 0000000000000000 R09: 0000000000000000 [ 17.628490][ T292] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b0a2ff0ffd [ 17.628491][ T292] R13: 000055b0a41ed960 R14: 0000000000040000 R15: 0000000000000000 | [ 18.789073][ T36] softirqs last disabled at (46870): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.789076][ T36] Preemption disabled at: | [ 18.789076][ T36] 0x0 | [ 18.789087][ T36] Tainted: [W]=WARN [ 18.789088][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.789090][ T36] Workqueue: events_unbound linkwatch_event [ 18.789093][ T36] Call Trace: [ 18.789095][ T36] [ 18.789097][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.789104][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 18.789109][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.789113][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.789117][ T36] __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)) [ 18.789119][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.789126][ T36] ? 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) [ 18.789129][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.789133][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 18.789136][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.789138][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.789141][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.789144][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.789148][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.789152][ T36] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.789154][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.789156][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.789160][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.789162][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.789167][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.789171][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.789175][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.789177][ T36] ? 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)) [ 18.789180][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.789182][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.789186][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.789191][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.789193][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.789198][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.789201][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.789203][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.789205][ T36] ? 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) [ 18.789208][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.789210][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.789213][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 18.789216][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.789218][ T36] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 18.789220][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.789222][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.789226][ T36] _printk (kernel/printk/printk.c:2504) [ 18.789230][ T36] ? snapshot_read.cold (user.c:?) [ 18.789235][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.789239][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.789244][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 18.789246][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.789248][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.789252][ T36] br_device_event (net/bridge/br.c:101) [ 18.789255][ T36] ? fib6_ifdown (net/ipv6/route.c:4976) [ 18.789257][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.789263][ T36] notifier_call_chain (kernel/notifier.c:85) [ 18.789269][ T36] netif_state_change (net/core/dev.c:1625) [ 18.789275][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.789280][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.789282][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.789285][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.789287][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.789292][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.789294][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.789298][ T36] process_one_work (kernel/workqueue.c:3387) [ 18.789304][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.789307][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.789315][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.789323][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.789325][ T36] kthread (kernel/kthread.c:436) [ 18.789327][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.789331][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.789334][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.789338][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.789341][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.789345][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.789348][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.947757][ T215] softirqs last disabled at (42128): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.947759][ T215] Preemption disabled at: | [ 19.947760][ T215] 0x0 | [ 19.947770][ T215] Tainted: [W]=WARN [ 19.947771][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.947773][ T215] Workqueue: events_unbound linkwatch_event [ 19.947776][ T215] Call Trace: [ 19.947778][ T215] [ 19.947780][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.947787][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 19.947792][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.947796][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.947801][ T215] __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)) [ 19.947803][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.947810][ T215] ? 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) [ 19.947813][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.947817][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 19.947819][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.947822][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.947825][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.947828][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.947832][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.947836][ T215] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.947838][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.947839][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.947844][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.947846][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.947850][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.947854][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.947858][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.947860][ T215] ? 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)) [ 19.947864][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.947866][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.947870][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.947874][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.947876][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.947883][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.947886][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.947888][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.947890][ T215] ? 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) [ 19.947894][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.947896][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.947899][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 19.947902][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.947903][ T215] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 19.947905][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.947907][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.947911][ T215] _printk (kernel/printk/printk.c:2504) [ 19.947915][ T215] ? snapshot_read.cold (user.c:?) [ 19.947920][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.947924][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.947929][ T215] br_init_port (net/bridge/br_stp_if.c:39) [ 19.947931][ T215] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.947933][ T215] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.947937][ T215] br_device_event (net/bridge/br.c:101) [ 19.947940][ T215] ? fib6_ifdown (net/ipv6/route.c:4976) [ 19.947942][ T215] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.947948][ T215] notifier_call_chain (kernel/notifier.c:85) [ 19.947954][ T215] netif_state_change (net/core/dev.c:1625) [ 19.947959][ T215] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.947964][ T215] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.947966][ T215] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.947969][ T215] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.947972][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.947976][ T215] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.947978][ T215] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.947982][ T215] process_one_work (kernel/workqueue.c:3387) [ 19.947989][ T215] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.947992][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.948000][ T215] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.948004][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.948006][ T215] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.948009][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.948012][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.948014][ T215] kthread (kernel/kthread.c:436) [ 19.948016][ T215] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.948019][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.948022][ T215] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.948026][ T215] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.948030][ T215] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.948033][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.948036][ T215] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.000806][ T400] softirqs last disabled at (36548): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:119) | [ 21.000808][ T400] Preemption disabled at: | [ 21.000809][ T400] 0x0 | [ 21.000820][ T400] Tainted: [W]=WARN [ 21.000821][ T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.000822][ T400] Call Trace: [ 21.000824][ T400] [ 21.000826][ T400] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.000832][ T400] __might_resched.cold (kernel/sched/core.c:9234) [ 21.000837][ T400] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.000841][ T400] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.000846][ T400] __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)) [ 21.000847][ T400] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.000854][ T400] ? 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) [ 21.000857][ T400] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.000861][ T400] put_chars (drivers/char/virtio_console.c:1176) [ 21.000864][ T400] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.000865][ T400] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.000868][ T400] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.000874][ T400] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.000884][ T400] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.000887][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.000889][ T400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.000893][ T400] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.000897][ T400] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.000899][ T400] ? 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)) [ 21.000903][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.000904][ T400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.000908][ T400] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.000913][ T400] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.000914][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.000920][ T400] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.000923][ T400] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.000925][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.000926][ T400] ? 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) [ 21.000930][ T400] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.000932][ T400] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.000935][ T400] vprintk_emit (kernel/printk/printk.c:2479) [ 21.000938][ T400] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.000940][ T400] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.000942][ T400] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.000947][ T400] _printk (kernel/printk/printk.c:2504) [ 21.000950][ T400] ? snapshot_read.cold (user.c:?) [ 21.000956][ T400] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.000960][ T400] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 21.000964][ T400] br_init_port (net/bridge/br_stp_if.c:39) [ 21.000967][ T400] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 21.000969][ T400] br_device_event (net/bridge/br.c:120) [ 21.000972][ T400] ? packet_sendmsg_spkt (af_packet.c:?) [ 21.000973][ T400] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 21.000980][ T400] notifier_call_chain (kernel/notifier.c:85) [ 21.000986][ T400] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 21.000991][ T400] ? netif_change_name (net/core/dev.c:1517) [ 21.000995][ T400] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 21.000999][ T400] ? write_profile (profile.c:?) [ 21.001004][ T400] netif_change_flags (net/core/dev.c:9882) [ 21.001008][ T400] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 21.001011][ T400] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.001013][ T400] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.001014][ T400] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 21.001016][ T400] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 21.001020][ T400] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.001022][ T400] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.001024][ T400] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.001026][ T400] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.001029][ T400] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.001030][ T400] ? kasan_save_track (mm/kasan/common.c:78) [ 21.001031][ T400] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.001033][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.001035][ T400] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 21.001039][ T400] ? ___sys_sendmsg (net/socket.c:2758) [ 21.001042][ T400] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.001044][ T400] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.001047][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.001049][ T400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.001051][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.001052][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.001054][ T400] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.001056][ T400] ? __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) [ 21.001059][ T400] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.001061][ T400] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.001064][ T400] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.001068][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.001070][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.001075][ T400] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.001081][ T400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.001083][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.001087][ T400] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.001089][ T400] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.001092][ T400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.001093][ T400] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.001097][ T400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.001099][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.001102][ T400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.001104][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.001109][ T400] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.001110][ T400] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.001114][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.001116][ T400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.001119][ T400] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.001126][ T400] ? 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)) [ 21.001128][ T400] ? 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)) [ 21.001132][ T400] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.001136][ T400] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.001139][ T400] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.001143][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.001147][ T400] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.001151][ T400] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.001153][ T400] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.001158][ T400] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.001161][ T400] ____sys_sendmsg (net/socket.c:2713) [ 21.001163][ T400] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.001166][ T400] ? sock_write_iter (net/socket.c:1269) [ 21.001167][ T400] ? move_addr_to_kernel (net/socket.c:258) [ 21.001175][ T400] ___sys_sendmsg (net/socket.c:2767) [ 21.001178][ T400] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.001194][ T400] __sys_sendmsg (net/socket.c:2799) [ 21.001197][ T400] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.001204][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.001207][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.001210][ T400] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.001213][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.001215][ T400] RIP: 0033:0x7f74e276854e [ 21.001217][ T400] 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 [ 21.001219][ T400] RSP: 002b:00007fff0b3ed9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.001222][ T400] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f74e276854e [ 21.001223][ T400] RDX: 0000000000000000 RSI: 00007fff0b3eda90 RDI: 0000000000000005 [ 21.001224][ T400] RBP: 00007fff0b3ed9f0 R08: 0000000000000000 R09: 0000000000000000 [ 21.001225][ T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91583f [ 21.001226][ T400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0b3ee160 | [ 22.077378][ T215] softirqs last disabled at (52344): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 22.077381][ T215] Preemption disabled at: | [ 22.077381][ T215] 0x0 | [ 22.077392][ T215] Tainted: [W]=WARN [ 22.077393][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.077394][ T215] Workqueue: events_unbound linkwatch_event [ 22.077397][ T215] Call Trace: [ 22.077399][ T215] [ 22.077401][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.077407][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 22.077412][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.077416][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.077420][ T215] __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)) [ 22.077422][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.077429][ T215] ? 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) [ 22.077432][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.077436][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 22.077439][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.077442][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.077445][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.077450][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.077454][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.077456][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.077460][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.077464][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.077467][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.077471][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.077475][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.077477][ T215] ? 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)) [ 22.077481][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.077482][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.077487][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.077491][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.077493][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.077498][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.077501][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.077503][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.077505][ T215] ? 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) [ 22.077509][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.077511][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.077514][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 22.077517][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.077518][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.077521][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.077523][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.077527][ T215] _printk (kernel/printk/printk.c:2504) [ 22.077530][ T215] ? snapshot_read.cold (user.c:?) [ 22.077533][ T215] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 22.077540][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.077544][ T215] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 22.077548][ T215] br_port_carrier_check (net/bridge/br_if.c:95) [ 22.077552][ T215] br_device_event (net/bridge/br.c:101) [ 22.077555][ T215] ? packet_sendmsg_spkt (af_packet.c:?) [ 22.077561][ T215] notifier_call_chain (kernel/notifier.c:85) [ 22.077567][ T215] netif_state_change (net/core/dev.c:1625) [ 22.077571][ T215] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 22.077575][ T215] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.077579][ T215] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 22.077581][ T215] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 22.077583][ T215] __linkwatch_run_queue (net/core/link_watch.c:240) [ 22.077586][ T215] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.077589][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.077593][ T215] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 22.077595][ T215] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 22.077599][ T215] process_one_work (kernel/workqueue.c:3387) [ 22.077606][ T215] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.077609][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.077616][ T215] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.077621][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.077623][ T215] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 22.077626][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.077628][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.077631][ T215] kthread (kernel/kthread.c:436) [ 22.077633][ T215] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.077640][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.077643][ T215] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.077648][ T215] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.077651][ T215] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.077655][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.077657][ T215] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.881629][ T492] softirqs last disabled at (20250): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 23.881631][ T492] Preemption disabled at: | [ 23.881632][ T492] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.881640][ T492] Tainted: [W]=WARN [ 23.881641][ T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.881643][ T492] Call Trace: [ 23.881650][ T492] [ 23.881652][ T492] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.881658][ T492] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.881660][ T492] __might_resched.cold (kernel/sched/core.c:9234) [ 23.881664][ T492] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.881669][ T492] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.881673][ T492] __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)) [ 23.881675][ T492] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.881682][ T492] ? 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) [ 23.881684][ T492] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.881688][ T492] put_chars (drivers/char/virtio_console.c:1176) [ 23.881691][ T492] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.881697][ T492] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.881705][ T492] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.881708][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.881712][ T492] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.881716][ T492] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.881718][ T492] ? 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)) [ 23.881721][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.881724][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.881728][ T492] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.881732][ T492] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.881734][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.881739][ T492] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.881742][ T492] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.881744][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.881745][ T492] ? 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) [ 23.881749][ T492] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.881751][ T492] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.881753][ T492] vprintk_emit (kernel/printk/printk.c:2479) [ 23.881757][ T492] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.881759][ T492] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 23.881764][ T492] _printk (kernel/printk/printk.c:2504) [ 23.881768][ T492] ? snapshot_read.cold (user.c:?) [ 23.881770][ T492] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.881772][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.881775][ T492] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.881777][ T492] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 23.881781][ T492] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 23.881784][ T492] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 23.881786][ T492] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.881789][ T492] ? netdev_notice (net/core/dev.c:13194) [ 23.881791][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.881794][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.881797][ T492] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.881800][ T492] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 23.881802][ T492] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 23.881804][ T492] ? register_netdev (net/core/dev.c:11618) [ 23.881806][ T492] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 23.881811][ T492] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 23.881814][ T492] ? __kernel_text_address (kernel/extable.c:79) [ 23.881816][ T492] ? write_profile (profile.c:?) [ 23.881820][ T492] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 23.881826][ T492] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 23.881829][ T492] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 23.881831][ T492] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 23.881833][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 23.881835][ T492] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 23.881838][ T492] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.881840][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.881842][ T492] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.881844][ T492] ? kasan_save_stack (mm/kasan/common.c:58) [ 23.881846][ T492] ? kasan_save_stack (mm/kasan/common.c:57) [ 23.881847][ T492] ? kasan_save_track (mm/kasan/common.c:78) [ 23.881849][ T492] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 23.881851][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.881853][ T492] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 23.881856][ T492] ? ___sys_sendmsg (net/socket.c:2758) [ 23.881860][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.881862][ T492] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 23.881864][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.881866][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.881868][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.881869][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.881870][ T492] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 23.881873][ T492] ? __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) [ 23.881874][ T492] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 23.881876][ T492] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 23.881879][ T492] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 23.881880][ T492] ? nla_get_range_signed (lib/nlattr.c:270) [ 23.881888][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.881890][ T492] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 23.881896][ T492] rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.881901][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.881903][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.881907][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.881909][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.881911][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.881913][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.881917][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.881919][ T492] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 23.881922][ T492] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.881923][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.881927][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.881929][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.881933][ T492] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 23.881936][ T492] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.881939][ T492] ? netlink_ack (./include/linux/skbuff.h:2718) [ 23.881946][ T492] ? 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)) [ 23.881948][ T492] ? 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)) [ 23.881952][ T492] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 23.881956][ T492] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.881959][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.881963][ T492] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 23.881967][ T492] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.881970][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.881972][ T492] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 23.881978][ T492] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 23.881980][ T492] ____sys_sendmsg (net/socket.c:2713) [ 23.881983][ T492] ? copy_msghdr_from_user (net/socket.c:2650) [ 23.881985][ T492] ? sock_write_iter (net/socket.c:1269) [ 23.881986][ T492] ? move_addr_to_kernel (net/socket.c:258) [ 23.881994][ T492] ___sys_sendmsg (net/socket.c:2767) [ 23.881996][ T492] ? copy_msghdr_from_user (net/socket.c:2619) [ 23.882012][ T492] __sys_sendmsg (net/socket.c:2799) [ 23.882015][ T492] ? __sys_sendmsg_sock (net/socket.c:2780) [ 23.882021][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.882024][ T492] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.882027][ T492] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.882030][ T492] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.882032][ T492] RIP: 0033:0x7f7b62dba54e [ 23.882036][ T492] 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 [ 23.882038][ T492] RSP: 002b:00007fffa44ad730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.882040][ T492] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7b62dba54e [ 23.882042][ T492] RDX: 0000000000000000 RSI: 00007fffa44ad7e0 RDI: 0000000000000005 [ 23.882043][ T492] RBP: 00007fffa44ad740 R08: 0000000000000000 R09: 0000000000000000 [ 23.882043][ T492] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915842 [ 23.882044][ T492] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa44adea0 | [ 24.885453][ T543] softirqs last disabled at (21814): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 24.885455][ T543] Preemption disabled at: | [ 24.885456][ T543] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.885464][ T543] Tainted: [W]=WARN [ 24.885465][ T543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.885467][ T543] Call Trace: [ 24.885468][ T543] [ 24.885470][ T543] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.885476][ T543] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.885478][ T543] __might_resched.cold (kernel/sched/core.c:9234) [ 24.885482][ T543] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.885486][ T543] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.885490][ T543] __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)) [ 24.885492][ T543] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.885499][ T543] ? 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) [ 24.885502][ T543] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.885505][ T543] put_chars (drivers/char/virtio_console.c:1176) [ 24.885508][ T543] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.885509][ T543] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.885513][ T543] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.885518][ T543] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.885526][ T543] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.885529][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885531][ T543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.885535][ T543] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.885539][ T543] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.885541][ T543] ? 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)) [ 24.885544][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885546][ T543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.885550][ T543] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.885554][ T543] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.885556][ T543] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.885561][ T543] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.885564][ T543] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.885566][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885567][ T543] ? 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) [ 24.885571][ T543] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.885573][ T543] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.885576][ T543] vprintk_emit (kernel/printk/printk.c:2479) [ 24.885579][ T543] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.885580][ T543] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 24.885583][ T543] ? __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) [ 24.885585][ T543] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 24.885589][ T543] _printk (kernel/printk/printk.c:2504) [ 24.885593][ T543] ? snapshot_read.cold (user.c:?) [ 24.885596][ T543] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 24.885600][ T543] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 24.885604][ T543] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.885609][ T543] br_init_port (net/bridge/br_stp_if.c:39) [ 24.885611][ T543] new_nbp (net/bridge/br_if.c:449) [ 24.885615][ T543] br_add_if (net/bridge/br_if.c:592) [ 24.885617][ T543] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 24.885618][ T543] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 24.885625][ T543] do_set_master (net/core/rtnetlink.c:3071) [ 24.885629][ T543] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 24.885632][ T543] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 24.885635][ T543] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 24.885637][ T543] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 24.885639][ T543] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 24.885643][ T543] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.885645][ T543] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.885647][ T543] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.885649][ T543] ? kasan_save_stack (mm/kasan/common.c:58) [ 24.885657][ T543] ? kasan_save_stack (mm/kasan/common.c:57) [ 24.885658][ T543] ? kasan_save_track (mm/kasan/common.c:78) [ 24.885659][ T543] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 24.885662][ T543] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.885664][ T543] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 24.885666][ T543] ? ___sys_sendmsg (net/socket.c:2758) [ 24.885670][ T543] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.885672][ T543] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.885675][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885677][ T543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.885678][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885679][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885681][ T543] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 24.885683][ T543] ? __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) [ 24.885684][ T543] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 24.885686][ T543] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.885689][ T543] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 24.885691][ T543] ? nla_get_range_signed (lib/nlattr.c:270) [ 24.885696][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885698][ T543] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 24.885704][ T543] rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.885709][ T543] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.885711][ T543] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.885715][ T543] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.885717][ T543] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.885720][ T543] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.885721][ T543] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.885725][ T543] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.885727][ T543] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.885731][ T543] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.885732][ T543] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.885736][ T543] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.885738][ T543] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.885742][ T543] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.885745][ T543] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.885748][ T543] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.885754][ T543] ? 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)) [ 24.885756][ T543] ? 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)) [ 24.885761][ T543] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.885765][ T543] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.885767][ T543] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.885771][ T543] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.885775][ T543] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.885779][ T543] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.885781][ T543] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 24.885786][ T543] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.885789][ T543] ____sys_sendmsg (net/socket.c:2713) [ 24.885791][ T543] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.885793][ T543] ? sock_write_iter (net/socket.c:1269) [ 24.885795][ T543] ? move_addr_to_kernel (net/socket.c:258) [ 24.885802][ T543] ___sys_sendmsg (net/socket.c:2767) [ 24.885805][ T543] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.885820][ T543] __sys_sendmsg (net/socket.c:2799) [ 24.885823][ T543] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.885829][ T543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.885832][ T543] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.885835][ T543] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.885838][ T543] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.885841][ T543] RIP: 0033:0x7f64370ab54e [ 24.885845][ T543] 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 [ 24.885847][ T543] RSP: 002b:00007ffc12087500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.885849][ T543] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f64370ab54e [ 24.885851][ T543] RDX: 0000000000000000 RSI: 00007ffc120875b0 RDI: 0000000000000005 [ 24.885852][ T543] RBP: 00007ffc12087510 R08: 0000000000000000 R09: 0000000000000000 [ 24.885853][ T543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915843 [ 24.885854][ T543] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc12087c80 | [ 31.148592][ T215] softirqs last disabled at (94596): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 31.148594][ T215] Preemption disabled at: | [ 31.148595][ T215] 0x0 | [ 31.148605][ T215] Tainted: [W]=WARN [ 31.148606][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.148607][ T215] Workqueue: events_unbound linkwatch_event [ 31.148611][ T215] Call Trace: [ 31.148612][ T215] [ 31.148614][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.148621][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 31.148626][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.148630][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.148634][ T215] __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)) [ 31.148636][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.148643][ T215] ? 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) [ 31.148646][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.148650][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 31.148652][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.148656][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.148659][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.148663][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.148668][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.148669][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.148674][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.148678][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.148680][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.148691][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.148695][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.148697][ T215] ? 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)) [ 31.148700][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.148702][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.148706][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.148711][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.148713][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.148718][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.148721][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.148723][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.148725][ T215] ? 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) [ 31.148729][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.148731][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.148733][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 31.148737][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.148738][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.148741][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.148743][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.148747][ T215] _printk (kernel/printk/printk.c:2504) [ 31.148750][ T215] ? snapshot_read.cold (user.c:?) [ 31.148753][ T215] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 31.148760][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.148765][ T215] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 31.148768][ T215] br_port_carrier_check (net/bridge/br_if.c:95) [ 31.148772][ T215] br_device_event (net/bridge/br.c:101) [ 31.148776][ T215] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.148782][ T215] notifier_call_chain (kernel/notifier.c:85) [ 31.148788][ T215] netif_state_change (net/core/dev.c:1625) [ 31.148791][ T215] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 31.148795][ T215] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.148799][ T215] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 31.148802][ T215] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 31.148804][ T215] __linkwatch_run_queue (net/core/link_watch.c:240) [ 31.148807][ T215] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.148809][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.148814][ T215] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 31.148816][ T215] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 31.148820][ T215] process_one_work (kernel/workqueue.c:3387) [ 31.148827][ T215] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 31.148830][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.148838][ T215] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 31.148842][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 31.148844][ T215] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 31.148847][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 31.148850][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 31.148852][ T215] kthread (kernel/kthread.c:436) [ 31.148854][ T215] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.148857][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 31.148860][ T215] ret_from_fork (arch/x86/kernel/process.c:158) [ 31.148864][ T215] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 31.148868][ T215] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 31.148871][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 31.148874][ T215] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.533712][ T215] softirqs last disabled at (115200): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 32.533714][ T215] Preemption disabled at: | [ 32.533715][ T215] 0x0 | [ 32.533726][ T215] Tainted: [W]=WARN [ 32.533727][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.533729][ T215] Workqueue: events_unbound linkwatch_event [ 32.533732][ T215] Call Trace: [ 32.533734][ T215] [ 32.533736][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.533742][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 32.533747][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.533751][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.533756][ T215] __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)) [ 32.533758][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.533765][ T215] ? 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) [ 32.533768][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.533771][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 32.533774][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.533777][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.533780][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.533785][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.533788][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.533790][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.533795][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.533799][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.533801][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.533805][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.533809][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.533811][ T215] ? 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)) [ 32.533814][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.533816][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.533820][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.533824][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.533826][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.533832][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.533835][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.533837][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.533838][ T215] ? 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) [ 32.533842][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.533844][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.533847][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 32.533850][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.533851][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.533854][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.533856][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.533860][ T215] _printk (kernel/printk/printk.c:2504) [ 32.533863][ T215] ? snapshot_read.cold (user.c:?) [ 32.533866][ T215] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 32.533873][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.533877][ T215] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.533880][ T215] br_port_carrier_check (net/bridge/br_if.c:95) [ 32.533886][ T215] br_device_event (net/bridge/br.c:101) [ 32.533890][ T215] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.533896][ T215] notifier_call_chain (kernel/notifier.c:85) [ 32.533902][ T215] netif_state_change (net/core/dev.c:1625) [ 32.533906][ T215] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 32.533910][ T215] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.533914][ T215] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 32.533917][ T215] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 32.533919][ T215] __linkwatch_run_queue (net/core/link_watch.c:240) [ 32.533922][ T215] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.533924][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.533929][ T215] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 32.533931][ T215] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 32.533934][ T215] process_one_work (kernel/workqueue.c:3387) [ 32.533941][ T215] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.533944][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.533952][ T215] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.533956][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.533958][ T215] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.533961][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.533964][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.533966][ T215] kthread (kernel/kthread.c:436) [ 32.533968][ T215] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.533972][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.533975][ T215] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.533979][ T215] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.533982][ T215] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.533986][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.533989][ T215] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 35.037814][ T39] softirqs last disabled at (218768): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 35.037817][ T39] Preemption disabled at: | [ 35.037818][ T39] 0x0 | [ 35.037828][ T39] Tainted: [W]=WARN [ 35.037829][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.037831][ T39] Workqueue: events_unbound linkwatch_event [ 35.037834][ T39] Call Trace: [ 35.037836][ T39] [ 35.037837][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.037844][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 35.037849][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.037853][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.037857][ T39] __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)) [ 35.037859][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.037866][ T39] ? 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) [ 35.037869][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.037873][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 35.037875][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.037879][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.037884][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.037888][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.037893][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.037894][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.037899][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.037903][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.037905][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.037910][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.037914][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.037916][ T39] ? 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)) [ 35.037919][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.037921][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.037925][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.037929][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.037931][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.037937][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.037940][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.037941][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.037943][ T39] ? 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) [ 35.037947][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.037949][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.037951][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 35.037955][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.037956][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.037959][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.037961][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.037964][ T39] _printk (kernel/printk/printk.c:2504) [ 35.037968][ T39] ? snapshot_read.cold (user.c:?) [ 35.037971][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 35.037977][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 35.037982][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 35.037986][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 35.037990][ T39] br_device_event (net/bridge/br.c:101) [ 35.037993][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.037999][ T39] notifier_call_chain (kernel/notifier.c:85) [ 35.038005][ T39] netif_state_change (net/core/dev.c:1625) [ 35.038009][ T39] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 35.038013][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.038017][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 35.038019][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 35.038021][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 35.038024][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.038027][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.038032][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 35.038034][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 35.038037][ T39] process_one_work (kernel/workqueue.c:3387) [ 35.038044][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.038048][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.038056][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.038063][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.038065][ T39] kthread (kernel/kthread.c:436) [ 35.038067][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.038071][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.038074][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.038078][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.038081][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.038085][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.038088][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.111812][ T70] softirqs last disabled at (178908): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 36.111814][ T70] Preemption disabled at: | [ 36.111815][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.111823][ T70] Tainted: [W]=WARN [ 36.111824][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.111826][ T70] Workqueue: netns cleanup_net [ 36.111830][ T70] Call Trace: [ 36.111831][ T70] [ 36.111834][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.111840][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.111841][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 36.111846][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.111850][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.111854][ T70] __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)) [ 36.111856][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.111863][ T70] ? 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) [ 36.111866][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.111869][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 36.111871][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.111873][ T70] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.111876][ T70] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.111879][ T70] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.111887][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.111891][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.111896][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.111900][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.111905][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.111909][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.111911][ T70] ? 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)) [ 36.111915][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.111916][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.111920][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.111925][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.111927][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.111932][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.111935][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.111937][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.111938][ T70] ? 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) [ 36.111942][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.111944][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.111947][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 36.111950][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.111951][ T70] ? cleanup_net (net/core/net_namespace.c:706) [ 36.111953][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.111955][ T70] ? kthread (kernel/kthread.c:436) [ 36.111957][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 36.111960][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 36.111965][ T70] _printk (kernel/printk/printk.c:2504) [ 36.111968][ T70] ? snapshot_read.cold (user.c:?) [ 36.111973][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.111977][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.111981][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.111983][ T70] ? netdev_notice (net/core/dev.c:13194) [ 36.111988][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.111989][ T70] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 36.111992][ T70] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 36.111994][ T70] ? 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) [ 36.111996][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 36.112000][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 36.112004][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 36.112010][ T70] br_dev_delete (net/bridge/br_if.c:387) [ 36.112014][ T70] br_net_exit_rtnl (net/bridge/br.c:414) [ 36.112018][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 36.112022][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 36.112024][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.112029][ T70] cleanup_net (net/core/net_namespace.c:706) [ 36.112032][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 36.112036][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.112038][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.112041][ T70] process_one_work (kernel/workqueue.c:3387) [ 36.112048][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 36.112051][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.112059][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.112063][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.112065][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 36.112068][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.112071][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.112073][ T70] kthread (kernel/kthread.c:436) [ 36.112075][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.112078][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.112081][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 36.112084][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 36.112087][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 36.112091][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.112094][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.286373][ T778] softirqs last disabled at (26470): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 37.286376][ T778] Preemption disabled at: | [ 37.286377][ T778] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.286385][ T778] Tainted: [W]=WARN [ 37.286386][ T778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.286388][ T778] Call Trace: [ 37.286390][ T778] [ 37.286391][ T778] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.286397][ T778] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.286399][ T778] __might_resched.cold (kernel/sched/core.c:9234) [ 37.286403][ T778] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.286408][ T778] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.286412][ T778] __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)) [ 37.286414][ T778] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.286421][ T778] ? 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) [ 37.286424][ T778] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.286427][ T778] put_chars (drivers/char/virtio_console.c:1176) [ 37.286430][ T778] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.286436][ T778] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.286443][ T778] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.286446][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.286451][ T778] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.286455][ T778] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.286457][ T778] ? 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)) [ 37.286460][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.286463][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.286466][ T778] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.286471][ T778] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.286472][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.286477][ T778] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.286480][ T778] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.286482][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.286484][ T778] ? 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) [ 37.286487][ T778] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.286489][ T778] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.286492][ T778] vprintk_emit (kernel/printk/printk.c:2479) [ 37.286495][ T778] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.286497][ T778] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 37.286502][ T778] _printk (kernel/printk/printk.c:2504) [ 37.286506][ T778] ? snapshot_read.cold (user.c:?) [ 37.286507][ T778] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.286510][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.286513][ T778] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.286515][ T778] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.286519][ T778] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.286521][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 37.286524][ T778] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.286527][ T778] ? netdev_notice (net/core/dev.c:13194) [ 37.286529][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.286532][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.286535][ T778] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.286538][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 37.286540][ T778] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 37.286542][ T778] ? register_netdev (net/core/dev.c:11618) [ 37.286543][ T778] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 37.286549][ T778] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 37.286551][ T778] ? __kernel_text_address (kernel/extable.c:79) [ 37.286554][ T778] ? write_profile (profile.c:?) [ 37.286558][ T778] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 37.286564][ T778] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 37.286567][ T778] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.286569][ T778] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.286570][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 37.286572][ T778] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 37.286575][ T778] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.286577][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.286579][ T778] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.286582][ T778] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.286583][ T778] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.286585][ T778] ? kasan_save_track (mm/kasan/common.c:78) [ 37.286586][ T778] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 37.286588][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.286590][ T778] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 37.286593][ T778] ? ___sys_sendmsg (net/socket.c:2758) [ 37.286597][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.286599][ T778] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.286602][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.286603][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.286605][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.286606][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.286608][ T778] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.286610][ T778] ? __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) [ 37.286611][ T778] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.286613][ T778] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.286616][ T778] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.286617][ T778] ? nla_get_range_signed (lib/nlattr.c:270) [ 37.286622][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.286624][ T778] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.286629][ T778] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.286635][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.286636][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.286641][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.286643][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.286645][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.286646][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.286650][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.286652][ T778] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.286655][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.286656][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.286661][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.286663][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.286666][ T778] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.286669][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.286672][ T778] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.286678][ T778] ? 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)) [ 37.286680][ T778] ? 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)) [ 37.286685][ T778] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.286689][ T778] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.286691][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.286696][ T778] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.286700][ T778] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.286703][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.286705][ T778] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 37.286710][ T778] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 37.286719][ T778] ____sys_sendmsg (net/socket.c:2713) [ 37.286722][ T778] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.286724][ T778] ? sock_write_iter (net/socket.c:1269) [ 37.286725][ T778] ? move_addr_to_kernel (net/socket.c:258) [ 37.286733][ T778] ___sys_sendmsg (net/socket.c:2767) [ 37.286736][ T778] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.286751][ T778] __sys_sendmsg (net/socket.c:2799) [ 37.286754][ T778] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.286760][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.286763][ T778] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.286766][ T778] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.286769][ T778] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.286772][ T778] RIP: 0033:0x7ff37da1c54e [ 37.286775][ T778] 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 [ 37.286777][ T778] RSP: 002b:00007ffca294a390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.286780][ T778] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff37da1c54e [ 37.286781][ T778] RDX: 0000000000000000 RSI: 00007ffca294a440 RDI: 0000000000000005 [ 37.286782][ T778] RBP: 00007ffca294a3a0 R08: 0000000000000000 R09: 0000000000000000 [ 37.286783][ T778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91584f [ 37.286784][ T778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca294ab00 | [ 38.318711][ T829] softirqs last disabled at (13972): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 38.318714][ T829] Preemption disabled at: | [ 38.318714][ T829] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.318728][ T829] Tainted: [W]=WARN [ 38.318729][ T829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.318730][ T829] Call Trace: [ 38.318732][ T829] [ 38.318733][ T829] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.318740][ T829] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.318741][ T829] __might_resched.cold (kernel/sched/core.c:9234) [ 38.318746][ T829] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.318750][ T829] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.318755][ T829] __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)) [ 38.318757][ T829] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.318764][ T829] ? 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) [ 38.318767][ T829] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.318771][ T829] put_chars (drivers/char/virtio_console.c:1176) [ 38.318773][ T829] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.318775][ T829] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.318778][ T829] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.318784][ T829] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.318792][ T829] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.318795][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.318796][ T829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.318801][ T829] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.318805][ T829] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.318807][ T829] ? 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)) [ 38.318810][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.318812][ T829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.318816][ T829] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.318820][ T829] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.318822][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.318828][ T829] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.318831][ T829] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.318833][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.318835][ T829] ? 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) [ 38.318838][ T829] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.318840][ T829] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.318843][ T829] vprintk_emit (kernel/printk/printk.c:2479) [ 38.318846][ T829] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.318848][ T829] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.318850][ T829] ? __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) [ 38.318853][ T829] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.318857][ T829] _printk (kernel/printk/printk.c:2504) [ 38.318860][ T829] ? snapshot_read.cold (user.c:?) [ 38.318863][ T829] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 38.318868][ T829] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 38.318872][ T829] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.318876][ T829] br_init_port (net/bridge/br_stp_if.c:39) [ 38.318879][ T829] new_nbp (net/bridge/br_if.c:449) [ 38.318886][ T829] br_add_if (net/bridge/br_if.c:592) [ 38.318889][ T829] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 38.318890][ T829] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 38.318897][ T829] do_set_master (net/core/rtnetlink.c:3071) [ 38.318901][ T829] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 38.318904][ T829] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.318908][ T829] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.318909][ T829] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.318912][ T829] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.318915][ T829] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.318917][ T829] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.318919][ T829] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.318921][ T829] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.318924][ T829] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.318925][ T829] ? kasan_save_track (mm/kasan/common.c:78) [ 38.318926][ T829] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 38.318929][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.318931][ T829] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 38.318934][ T829] ? ___sys_sendmsg (net/socket.c:2758) [ 38.318938][ T829] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.318940][ T829] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.318942][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.318944][ T829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.318946][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.318947][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.318949][ T829] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.318951][ T829] ? __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) [ 38.318952][ T829] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.318954][ T829] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.318957][ T829] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.318959][ T829] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.318964][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.318966][ T829] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.318972][ T829] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.318977][ T829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.318979][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.318984][ T829] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.318986][ T829] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.318988][ T829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.318990][ T829] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.318994][ T829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.318996][ T829] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.318999][ T829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.319001][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.319005][ T829] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.319007][ T829] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.319011][ T829] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.319014][ T829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.319017][ T829] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.319024][ T829] ? 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)) [ 38.319026][ T829] ? 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)) [ 38.319031][ T829] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.319035][ T829] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.319037][ T829] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.319042][ T829] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.319046][ T829] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.319050][ T829] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.319052][ T829] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.319057][ T829] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.319060][ T829] ____sys_sendmsg (net/socket.c:2713) [ 38.319062][ T829] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.319065][ T829] ? sock_write_iter (net/socket.c:1269) [ 38.319066][ T829] ? move_addr_to_kernel (net/socket.c:258) [ 38.319074][ T829] ___sys_sendmsg (net/socket.c:2767) [ 38.319077][ T829] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.319093][ T829] __sys_sendmsg (net/socket.c:2799) [ 38.319096][ T829] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.319102][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.319105][ T829] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.319108][ T829] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.319111][ T829] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.319114][ T829] RIP: 0033:0x7facde00354e [ 38.319118][ T829] 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 [ 38.319119][ T829] RSP: 002b:00007ffc2a6e6a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.319122][ T829] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007facde00354e [ 38.319123][ T829] RDX: 0000000000000000 RSI: 00007ffc2a6e6ad0 RDI: 0000000000000005 [ 38.319124][ T829] RBP: 00007ffc2a6e6a30 R08: 0000000000000000 R09: 0000000000000000 [ 38.319125][ T829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915850 [ 38.319126][ T829] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2a6e71a0 | [ 44.261045][ T39] softirqs last disabled at (255788): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 44.261048][ T39] Preemption disabled at: | [ 44.261049][ T39] 0x0 | [ 44.261059][ T39] Tainted: [W]=WARN [ 44.261060][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.261061][ T39] Workqueue: events_unbound linkwatch_event [ 44.261065][ T39] Call Trace: [ 44.261067][ T39] [ 44.261068][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.261075][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 44.261079][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.261083][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.261088][ T39] __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)) [ 44.261090][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.261097][ T39] ? 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) [ 44.261100][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.261103][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 44.261106][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.261109][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.261113][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.261117][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.261121][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.261123][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.261128][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.261131][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.261134][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.261138][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.261142][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.261144][ T39] ? 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)) [ 44.261147][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.261149][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.261153][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.261158][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.261159][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.261165][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.261168][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.261170][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.261171][ T39] ? 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) [ 44.261175][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.261177][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.261180][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 44.261183][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.261184][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.261187][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.261189][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.261193][ T39] _printk (kernel/printk/printk.c:2504) [ 44.261196][ T39] ? snapshot_read.cold (user.c:?) [ 44.261199][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 44.261206][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 44.261210][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 44.261213][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 44.261217][ T39] br_device_event (net/bridge/br.c:101) [ 44.261221][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 44.261227][ T39] notifier_call_chain (kernel/notifier.c:85) [ 44.261233][ T39] netif_state_change (net/core/dev.c:1625) [ 44.261237][ T39] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 44.261241][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.261245][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 44.261247][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 44.261249][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 44.261252][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.261255][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.261259][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 44.261261][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 44.261265][ T39] process_one_work (kernel/workqueue.c:3387) [ 44.261272][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.261275][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.261283][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.261290][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.261292][ T39] kthread (kernel/kthread.c:436) [ 44.261295][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.261298][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.261301][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.261305][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.261309][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.261312][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.261315][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.020045][ T70] softirqs last disabled at (239357): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 48.020047][ T70] Preemption disabled at: | [ 48.020048][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.020057][ T70] Tainted: [W]=WARN [ 48.020058][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.020059][ T70] Workqueue: netns cleanup_net [ 48.020062][ T70] Call Trace: [ 48.020064][ T70] [ 48.020066][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.020072][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.020073][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 48.020078][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.020082][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.020087][ T70] __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)) [ 48.020089][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.020095][ T70] ? 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) [ 48.020098][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.020102][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 48.020105][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.020106][ T70] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.020109][ T70] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.020112][ T70] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.020117][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.020121][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.020126][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.020130][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.020134][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.020139][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.020140][ T70] ? 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)) [ 48.020144][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.020145][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.020150][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.020154][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.020156][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.020161][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.020164][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.020166][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.020168][ T70] ? 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) [ 48.020172][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.020174][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.020176][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 48.020180][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.020181][ T70] ? cleanup_net (net/core/net_namespace.c:706) [ 48.020183][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 48.020185][ T70] ? kthread (kernel/kthread.c:436) [ 48.020187][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 48.020190][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 48.020195][ T70] _printk (kernel/printk/printk.c:2504) [ 48.020198][ T70] ? snapshot_read.cold (user.c:?) [ 48.020203][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 48.020207][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 48.020211][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.020214][ T70] ? netdev_notice (net/core/dev.c:13194) [ 48.020218][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.020220][ T70] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 48.020223][ T70] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 48.020225][ T70] ? 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) [ 48.020227][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 48.020231][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 48.020235][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 48.020241][ T70] br_dev_delete (net/bridge/br_if.c:387) [ 48.020245][ T70] br_net_exit_rtnl (net/bridge/br.c:414) [ 48.020248][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 48.020252][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 48.020256][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 48.020257][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.020261][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 48.020266][ T70] cleanup_net (net/core/net_namespace.c:706) [ 48.020269][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 48.020273][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.020275][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.020278][ T70] process_one_work (kernel/workqueue.c:3387) [ 48.020285][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 48.020288][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.020296][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 48.020300][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.020302][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 48.020305][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.020308][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.020310][ T70] kthread (kernel/kthread.c:436) [ 48.020312][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.020315][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.020318][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 48.020321][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 48.020325][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 48.020328][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.020331][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.277678][ T1035] softirqs last disabled at (20202): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 49.277681][ T1035] Preemption disabled at: | [ 49.277681][ T1035] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.277690][ T1035] Tainted: [W]=WARN [ 49.277691][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.277693][ T1035] Call Trace: [ 49.277695][ T1035] [ 49.277696][ T1035] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.277702][ T1035] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.277704][ T1035] __might_resched.cold (kernel/sched/core.c:9234) [ 49.277708][ T1035] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.277712][ T1035] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.277717][ T1035] __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)) [ 49.277719][ T1035] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.277725][ T1035] ? 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) [ 49.277728][ T1035] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.277732][ T1035] put_chars (drivers/char/virtio_console.c:1176) [ 49.277734][ T1035] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.277740][ T1035] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.277748][ T1035] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.277751][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.277755][ T1035] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.277759][ T1035] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.277761][ T1035] ? 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)) [ 49.277764][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.277767][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.277771][ T1035] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.277781][ T1035] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.277783][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.277788][ T1035] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.277791][ T1035] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.277793][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.277795][ T1035] ? 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) [ 49.277798][ T1035] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.277800][ T1035] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.277803][ T1035] vprintk_emit (kernel/printk/printk.c:2479) [ 49.277806][ T1035] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.277808][ T1035] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 49.277813][ T1035] _printk (kernel/printk/printk.c:2504) [ 49.277817][ T1035] ? snapshot_read.cold (user.c:?) [ 49.277819][ T1035] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.277822][ T1035] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.277825][ T1035] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.277827][ T1035] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.277831][ T1035] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.277833][ T1035] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 49.277835][ T1035] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.277838][ T1035] ? netdev_notice (net/core/dev.c:13194) [ 49.277841][ T1035] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.277844][ T1035] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.277846][ T1035] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.277850][ T1035] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 49.277852][ T1035] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 49.277854][ T1035] ? register_netdev (net/core/dev.c:11618) [ 49.277855][ T1035] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 49.277861][ T1035] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 49.277863][ T1035] ? __kernel_text_address (kernel/extable.c:79) [ 49.277866][ T1035] ? write_profile (profile.c:?) [ 49.277870][ T1035] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 49.277876][ T1035] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 49.277879][ T1035] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 49.277881][ T1035] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 49.277885][ T1035] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 49.277886][ T1035] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 49.277890][ T1035] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.277892][ T1035] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.277893][ T1035] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.277896][ T1035] ? kasan_save_stack (mm/kasan/common.c:58) [ 49.277898][ T1035] ? kasan_save_stack (mm/kasan/common.c:57) [ 49.277899][ T1035] ? kasan_save_track (mm/kasan/common.c:78) [ 49.277900][ T1035] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 49.277902][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.277904][ T1035] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 49.277907][ T1035] ? ___sys_sendmsg (net/socket.c:2758) [ 49.277911][ T1035] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.277913][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 49.277915][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.277917][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.277919][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.277920][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.277921][ T1035] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 49.277924][ T1035] ? __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) [ 49.277925][ T1035] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 49.277927][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 49.277930][ T1035] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 49.277931][ T1035] ? nla_get_range_signed (lib/nlattr.c:270) [ 49.277936][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.277938][ T1035] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 49.277943][ T1035] rtnl_newlink (net/core/rtnetlink.c:4215) [ 49.277949][ T1035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.277950][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.277955][ T1035] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.277957][ T1035] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.277959][ T1035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.277960][ T1035] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.277964][ T1035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.277966][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 49.277969][ T1035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 49.277971][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.277975][ T1035] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.277977][ T1035] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.277980][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 49.277983][ T1035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 49.277986][ T1035] ? netlink_ack (./include/linux/skbuff.h:2718) [ 49.277992][ T1035] ? 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)) [ 49.277995][ T1035] ? 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)) [ 49.277999][ T1035] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 49.278003][ T1035] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 49.278005][ T1035] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.278009][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 49.278013][ T1035] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 49.278017][ T1035] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.278019][ T1035] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 49.278024][ T1035] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 49.278026][ T1035] ____sys_sendmsg (net/socket.c:2713) [ 49.278029][ T1035] ? copy_msghdr_from_user (net/socket.c:2650) [ 49.278031][ T1035] ? sock_write_iter (net/socket.c:1269) [ 49.278032][ T1035] ? move_addr_to_kernel (net/socket.c:258) [ 49.278040][ T1035] ___sys_sendmsg (net/socket.c:2767) [ 49.278042][ T1035] ? copy_msghdr_from_user (net/socket.c:2619) [ 49.278058][ T1035] __sys_sendmsg (net/socket.c:2799) [ 49.278061][ T1035] ? __sys_sendmsg_sock (net/socket.c:2780) [ 49.278067][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.278070][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 49.278073][ T1035] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 49.278076][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 49.278078][ T1035] RIP: 0033:0x7fcd672dd54e [ 49.278082][ T1035] 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 [ 49.278084][ T1035] RSP: 002b:00007fff5d876d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 49.278086][ T1035] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcd672dd54e [ 49.278088][ T1035] RDX: 0000000000000000 RSI: 00007fff5d876e10 RDI: 0000000000000005 [ 49.278089][ T1035] RBP: 00007fff5d876d70 R08: 0000000000000000 R09: 0000000000000000 [ 49.278090][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91585b [ 49.278090][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5d8774d0 | [ 50.284867][ T1086] softirqs last disabled at (23174): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 50.284869][ T1086] Preemption disabled at: | [ 50.284870][ T1086] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.284879][ T1086] Tainted: [W]=WARN [ 50.284879][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.284884][ T1086] Call Trace: [ 50.284886][ T1086] [ 50.284888][ T1086] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.284894][ T1086] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.284896][ T1086] __might_resched.cold (kernel/sched/core.c:9234) [ 50.284900][ T1086] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.284904][ T1086] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.284909][ T1086] __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)) [ 50.284910][ T1086] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.284917][ T1086] ? 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) [ 50.284920][ T1086] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.284924][ T1086] put_chars (drivers/char/virtio_console.c:1176) [ 50.284926][ T1086] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.284927][ T1086] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.284931][ T1086] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.284937][ T1086] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.284944][ T1086] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.284947][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.284949][ T1086] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.284953][ T1086] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.284957][ T1086] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.284959][ T1086] ? 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)) [ 50.284962][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.284964][ T1086] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.284968][ T1086] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.284972][ T1086] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.284974][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.284979][ T1086] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.284982][ T1086] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.284984][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.284986][ T1086] ? 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) [ 50.284989][ T1086] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.284991][ T1086] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.284994][ T1086] vprintk_emit (kernel/printk/printk.c:2479) [ 50.284997][ T1086] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.284998][ T1086] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 50.285000][ T1086] ? __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) [ 50.285003][ T1086] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 50.285007][ T1086] _printk (kernel/printk/printk.c:2504) [ 50.285010][ T1086] ? snapshot_read.cold (user.c:?) [ 50.285013][ T1086] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 50.285018][ T1086] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 50.285022][ T1086] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 50.285026][ T1086] br_init_port (net/bridge/br_stp_if.c:39) [ 50.285028][ T1086] new_nbp (net/bridge/br_if.c:449) [ 50.285032][ T1086] br_add_if (net/bridge/br_if.c:592) [ 50.285034][ T1086] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 50.285036][ T1086] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 50.285042][ T1086] do_set_master (net/core/rtnetlink.c:3071) [ 50.285046][ T1086] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 50.285049][ T1086] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 50.285052][ T1086] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 50.285054][ T1086] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 50.285056][ T1086] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 50.285060][ T1086] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.285062][ T1086] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.285064][ T1086] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.285066][ T1086] ? kasan_save_stack (mm/kasan/common.c:58) [ 50.285068][ T1086] ? kasan_save_stack (mm/kasan/common.c:57) [ 50.285070][ T1086] ? kasan_save_track (mm/kasan/common.c:78) [ 50.285071][ T1086] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 50.285073][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.285075][ T1086] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 50.285078][ T1086] ? ___sys_sendmsg (net/socket.c:2758) [ 50.285082][ T1086] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.285084][ T1086] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.285086][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.285088][ T1086] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.285090][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.285091][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.285093][ T1086] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 50.285095][ T1086] ? __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) [ 50.285096][ T1086] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 50.285098][ T1086] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.285101][ T1086] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 50.285102][ T1086] ? nla_get_range_signed (lib/nlattr.c:270) [ 50.285107][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.285109][ T1086] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 50.285115][ T1086] rtnl_newlink (net/core/rtnetlink.c:4215) [ 50.285120][ T1086] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.285122][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.285126][ T1086] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.285128][ T1086] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.285130][ T1086] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.285132][ T1086] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.285136][ T1086] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.285138][ T1086] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 50.285141][ T1086] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.285142][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.285147][ T1086] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.285149][ T1086] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.285152][ T1086] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 50.285155][ T1086] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.285158][ T1086] ? netlink_ack (./include/linux/skbuff.h:2718) [ 50.285165][ T1086] ? 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)) [ 50.285167][ T1086] ? 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)) [ 50.285171][ T1086] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 50.285175][ T1086] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 50.285178][ T1086] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.285182][ T1086] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 50.285186][ T1086] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 50.285190][ T1086] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.285191][ T1086] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 50.285196][ T1086] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 50.285199][ T1086] ____sys_sendmsg (net/socket.c:2713) [ 50.285201][ T1086] ? copy_msghdr_from_user (net/socket.c:2650) [ 50.285204][ T1086] ? sock_write_iter (net/socket.c:1269) [ 50.285205][ T1086] ? move_addr_to_kernel (net/socket.c:258) [ 50.285212][ T1086] ___sys_sendmsg (net/socket.c:2767) [ 50.285215][ T1086] ? copy_msghdr_from_user (net/socket.c:2619) [ 50.285231][ T1086] __sys_sendmsg (net/socket.c:2799) [ 50.285234][ T1086] ? __sys_sendmsg_sock (net/socket.c:2780) [ 50.285240][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.285243][ T1086] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 50.285246][ T1086] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 50.285249][ T1086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 50.285251][ T1086] RIP: 0033:0x7fc323e2c54e [ 50.285255][ T1086] 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 [ 50.285257][ T1086] RSP: 002b:00007ffd28edae50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 50.285260][ T1086] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc323e2c54e [ 50.285261][ T1086] RDX: 0000000000000000 RSI: 00007ffd28edaf00 RDI: 0000000000000005 [ 50.285262][ T1086] RBP: 00007ffd28edae60 R08: 0000000000000000 R09: 0000000000000000 [ 50.285263][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91585c [ 50.285264][ T1086] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd28edb5d0 | [ 56.118790][ T215] softirqs last disabled at (146486): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 56.118793][ T215] Preemption disabled at: | [ 56.118794][ T215] 0x0 | [ 56.118815][ T215] Tainted: [W]=WARN [ 56.118816][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.118819][ T215] Workqueue: events_unbound linkwatch_event [ 56.118823][ T215] Call Trace: [ 56.118825][ T215] [ 56.118829][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.118837][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 56.118843][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.118849][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 56.118856][ T215] __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)) [ 56.118860][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.118870][ T215] ? 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) [ 56.118874][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.118884][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 56.118888][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.118894][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 56.118898][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 56.118906][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.118912][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.118914][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.118923][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.118929][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.118933][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.118940][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.118947][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.118950][ T215] ? 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)) [ 56.118955][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.118959][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.118966][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.118974][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.118976][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.118986][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.118991][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.118993][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.118997][ T215] ? 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) [ 56.119004][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.119007][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.119012][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 56.119017][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.119019][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.119024][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 56.119027][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 56.119033][ T215] _printk (kernel/printk/printk.c:2504) [ 56.119039][ T215] ? snapshot_read.cold (user.c:?) [ 56.119044][ T215] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 56.119055][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.119063][ T215] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 56.119069][ T215] br_port_carrier_check (net/bridge/br_if.c:95) [ 56.119076][ T215] br_device_event (net/bridge/br.c:101) [ 56.119081][ T215] ? packet_sendmsg_spkt (af_packet.c:?) [ 56.119092][ T215] notifier_call_chain (kernel/notifier.c:85) [ 56.119103][ T215] netif_state_change (net/core/dev.c:1625) [ 56.119108][ T215] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 56.119114][ T215] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 56.119120][ T215] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 56.119124][ T215] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 56.119128][ T215] __linkwatch_run_queue (net/core/link_watch.c:240) [ 56.119133][ T215] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 56.119138][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.119146][ T215] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 56.119149][ T215] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 56.119156][ T215] process_one_work (kernel/workqueue.c:3387) [ 56.119169][ T215] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 56.119174][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.119188][ T215] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.119195][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.119198][ T215] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 56.119203][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.119207][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.119211][ T215] kthread (kernel/kthread.c:436) [ 56.119214][ T215] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.119218][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.119223][ T215] ret_from_fork (arch/x86/kernel/process.c:158) [ 56.119230][ T215] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 56.119236][ T215] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 56.119241][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.119246][ T215] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 57.169317][ T39] softirqs last disabled at (339232): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 57.169319][ T39] Preemption disabled at: | [ 57.169320][ T39] 0x0 | [ 57.169331][ T39] Tainted: [W]=WARN [ 57.169332][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.169334][ T39] Workqueue: events_unbound linkwatch_event [ 57.169337][ T39] Call Trace: [ 57.169339][ T39] [ 57.169340][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.169347][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 57.169351][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.169356][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 57.169360][ T39] __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)) [ 57.169362][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.169369][ T39] ? 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) [ 57.169372][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.169376][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 57.169378][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.169381][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.169385][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 57.169389][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.169393][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.169395][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.169400][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.169403][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.169406][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.169410][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.169414][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.169416][ T39] ? 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)) [ 57.169419][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.169421][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.169425][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.169429][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.169431][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.169437][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.169440][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.169442][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.169443][ T39] ? 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) [ 57.169447][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.169449][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.169452][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 57.169455][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.169456][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.169459][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.169461][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.169465][ T39] _printk (kernel/printk/printk.c:2504) [ 57.169468][ T39] ? snapshot_read.cold (user.c:?) [ 57.169471][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 57.169478][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 57.169482][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 57.169486][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 57.169490][ T39] br_device_event (net/bridge/br.c:101) [ 57.169494][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 57.169499][ T39] notifier_call_chain (kernel/notifier.c:85) [ 57.169506][ T39] netif_state_change (net/core/dev.c:1625) [ 57.169509][ T39] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 57.169514][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 57.169517][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 57.169520][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 57.169522][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 57.169525][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 57.169528][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.169532][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 57.169534][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 57.169538][ T39] process_one_work (kernel/workqueue.c:3387) [ 57.169545][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 57.169548][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.169556][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 57.169563][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 57.169565][ T39] kthread (kernel/kthread.c:436) [ 57.169567][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.169571][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.169573][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 57.169578][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 57.169581][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 57.169585][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.169588][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 63.427183][ T70] softirqs last disabled at (352203): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 63.427185][ T70] Preemption disabled at: | [ 63.427186][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 63.427195][ T70] Tainted: [W]=WARN [ 63.427196][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.427198][ T70] Workqueue: netns cleanup_net [ 63.427201][ T70] Call Trace: [ 63.427203][ T70] [ 63.427206][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.427212][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 63.427214][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 63.427218][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.427222][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 63.427227][ T70] __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)) [ 63.427229][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.427236][ T70] ? 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) [ 63.427239][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.427243][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 63.427245][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.427247][ T70] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 63.427250][ T70] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 63.427254][ T70] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 63.427259][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.427263][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.427268][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.427272][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.427276][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.427281][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.427283][ T70] ? 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)) [ 63.427286][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.427288][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.427292][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.427296][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.427298][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.427304][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.427307][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.427309][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.427311][ T70] ? 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) [ 63.427315][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.427316][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.427319][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 63.427323][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.427324][ T70] ? cleanup_net (net/core/net_namespace.c:706) [ 63.427326][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.427328][ T70] ? kthread (kernel/kthread.c:436) [ 63.427330][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 63.427333][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 63.427338][ T70] _printk (kernel/printk/printk.c:2504) [ 63.427342][ T70] ? snapshot_read.cold (user.c:?) [ 63.427347][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 63.427351][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 63.427355][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 63.427358][ T70] ? netdev_notice (net/core/dev.c:13194) [ 63.427363][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.427364][ T70] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 63.427367][ T70] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 63.427369][ T70] ? 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) [ 63.427371][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 63.427375][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 63.427379][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 63.427386][ T70] br_dev_delete (net/bridge/br_if.c:387) [ 63.427390][ T70] br_net_exit_rtnl (net/bridge/br.c:414) [ 63.427393][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 63.427397][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 63.427401][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 63.427403][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 63.427406][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 63.427411][ T70] cleanup_net (net/core/net_namespace.c:706) [ 63.427414][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 63.427418][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.427420][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.427423][ T70] process_one_work (kernel/workqueue.c:3387) [ 63.427430][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 63.427433][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 63.427441][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.427446][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.427448][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 63.427451][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.427454][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.427456][ T70] kthread (kernel/kthread.c:436) [ 63.427458][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.427461][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.427464][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 63.427467][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 63.427471][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 63.427474][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.427477][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 64.939451][ T1262] softirqs last disabled at (22644): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 64.939454][ T1262] Preemption disabled at: | [ 64.939454][ T1262] vprintk_emit (kernel/printk/printk.c:2471) | [ 64.939463][ T1262] Tainted: [W]=WARN [ 64.939464][ T1262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.939465][ T1262] Call Trace: [ 64.939467][ T1262] [ 64.939468][ T1262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.939474][ T1262] ? vprintk_emit (kernel/printk/printk.c:2471) [ 64.939476][ T1262] __might_resched.cold (kernel/sched/core.c:9234) [ 64.939480][ T1262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.939485][ T1262] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 64.939489][ T1262] __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)) [ 64.939491][ T1262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.939498][ T1262] ? 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) [ 64.939500][ T1262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.939504][ T1262] put_chars (drivers/char/virtio_console.c:1176) [ 64.939507][ T1262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.939513][ T1262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.939520][ T1262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.939523][ T1262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.939528][ T1262] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.939532][ T1262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.939534][ T1262] ? 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)) [ 64.939537][ T1262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.939539][ T1262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.939543][ T1262] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.939547][ T1262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.939549][ T1262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 64.939554][ T1262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.939557][ T1262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.939559][ T1262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.939561][ T1262] ? 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) [ 64.939564][ T1262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.939566][ T1262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.939569][ T1262] vprintk_emit (kernel/printk/printk.c:2479) [ 64.939572][ T1262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.939575][ T1262] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 64.939580][ T1262] _printk (kernel/printk/printk.c:2504) [ 64.939583][ T1262] ? snapshot_read.cold (user.c:?) [ 64.939585][ T1262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 64.939587][ T1262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 64.939590][ T1262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 64.939592][ T1262] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 64.939596][ T1262] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 64.939599][ T1262] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 64.939601][ T1262] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 64.939604][ T1262] ? netdev_notice (net/core/dev.c:13194) [ 64.939607][ T1262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 64.939610][ T1262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 64.939613][ T1262] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 64.939616][ T1262] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 64.939618][ T1262] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 64.939620][ T1262] ? register_netdev (net/core/dev.c:11618) [ 64.939622][ T1262] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 64.939627][ T1262] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 64.939630][ T1262] ? __kernel_text_address (kernel/extable.c:79) [ 64.939632][ T1262] ? write_profile (profile.c:?) [ 64.939636][ T1262] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 64.939642][ T1262] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 64.939645][ T1262] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 64.939647][ T1262] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 64.939649][ T1262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 64.939651][ T1262] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 64.939654][ T1262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 64.939656][ T1262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 64.939657][ T1262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 64.939660][ T1262] ? kasan_save_stack (mm/kasan/common.c:58) [ 64.939662][ T1262] ? kasan_save_stack (mm/kasan/common.c:57) [ 64.939663][ T1262] ? kasan_save_track (mm/kasan/common.c:78) [ 64.939664][ T1262] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 64.939666][ T1262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 64.939668][ T1262] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 64.939671][ T1262] ? ___sys_sendmsg (net/socket.c:2758) [ 64.939675][ T1262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 64.939677][ T1262] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 64.939680][ T1262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.939681][ T1262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.939683][ T1262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.939684][ T1262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.939685][ T1262] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 64.939688][ T1262] ? __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) [ 64.939689][ T1262] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 64.939691][ T1262] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 64.939694][ T1262] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 64.939695][ T1262] ? nla_get_range_signed (lib/nlattr.c:270) [ 64.939700][ T1262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.939702][ T1262] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 64.939707][ T1262] rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.939712][ T1262] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.939714][ T1262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 64.939719][ T1262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 64.939721][ T1262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 64.939723][ T1262] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.939724][ T1262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 64.939728][ T1262] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.939730][ T1262] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.939733][ T1262] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.939734][ T1262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 64.939739][ T1262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 64.939741][ T1262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 64.939744][ T1262] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.939747][ T1262] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.939750][ T1262] ? netlink_ack (./include/linux/skbuff.h:2718) [ 64.939756][ T1262] ? 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)) [ 64.939758][ T1262] ? 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)) [ 64.939763][ T1262] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.939767][ T1262] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 64.939769][ T1262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 64.939773][ T1262] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.939777][ T1262] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 64.939781][ T1262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 64.939782][ T1262] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 64.939788][ T1262] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 64.939790][ T1262] ____sys_sendmsg (net/socket.c:2713) [ 64.939793][ T1262] ? copy_msghdr_from_user (net/socket.c:2650) [ 64.939795][ T1262] ? sock_write_iter (net/socket.c:1269) [ 64.939796][ T1262] ? move_addr_to_kernel (net/socket.c:258) [ 64.939804][ T1262] ___sys_sendmsg (net/socket.c:2767) [ 64.939806][ T1262] ? copy_msghdr_from_user (net/socket.c:2619) [ 64.939822][ T1262] __sys_sendmsg (net/socket.c:2799) [ 64.939825][ T1262] ? __sys_sendmsg_sock (net/socket.c:2780) [ 64.939831][ T1262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.939834][ T1262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.939837][ T1262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 64.939840][ T1262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.939842][ T1262] RIP: 0033:0x7f02f80c454e [ 64.939846][ T1262] 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 [ 64.939847][ T1262] RSP: 002b:00007ffda2eff490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 64.939850][ T1262] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f02f80c454e [ 64.939851][ T1262] RDX: 0000000000000000 RSI: 00007ffda2eff540 RDI: 0000000000000005 [ 64.939852][ T1262] RBP: 00007ffda2eff4a0 R08: 0000000000000000 R09: 0000000000000000 [ 64.939857][ T1262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91586b [ 64.939858][ T1262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda2effc00 | [ 66.127167][ T1311] softirqs last disabled at (15592): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 66.127169][ T1311] Preemption disabled at: | [ 66.127170][ T1311] vprintk_emit (kernel/printk/printk.c:2471) | [ 66.127179][ T1311] Tainted: [W]=WARN [ 66.127180][ T1311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.127181][ T1311] Call Trace: [ 66.127183][ T1311] [ 66.127184][ T1311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.127190][ T1311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 66.127192][ T1311] __might_resched.cold (kernel/sched/core.c:9234) [ 66.127196][ T1311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.127200][ T1311] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 66.127205][ T1311] __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)) [ 66.127207][ T1311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.127213][ T1311] ? 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) [ 66.127216][ T1311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.127220][ T1311] put_chars (drivers/char/virtio_console.c:1176) [ 66.127222][ T1311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.127224][ T1311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.127227][ T1311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.127233][ T1311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.127241][ T1311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.127243][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127245][ T1311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.127249][ T1311] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.127253][ T1311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.127255][ T1311] ? 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)) [ 66.127259][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127260][ T1311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.127264][ T1311] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.127269][ T1311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.127271][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.127276][ T1311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.127279][ T1311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.127281][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127282][ T1311] ? 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) [ 66.127286][ T1311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.127288][ T1311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.127291][ T1311] vprintk_emit (kernel/printk/printk.c:2479) [ 66.127294][ T1311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.127295][ T1311] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.127298][ T1311] ? __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) [ 66.127301][ T1311] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.127304][ T1311] _printk (kernel/printk/printk.c:2504) [ 66.127308][ T1311] ? snapshot_read.cold (user.c:?) [ 66.127311][ T1311] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 66.127316][ T1311] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 66.127320][ T1311] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 66.127324][ T1311] br_init_port (net/bridge/br_stp_if.c:39) [ 66.127326][ T1311] new_nbp (net/bridge/br_if.c:449) [ 66.127330][ T1311] br_add_if (net/bridge/br_if.c:592) [ 66.127332][ T1311] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 66.127334][ T1311] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 66.127341][ T1311] do_set_master (net/core/rtnetlink.c:3071) [ 66.127344][ T1311] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 66.127348][ T1311] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 66.127351][ T1311] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 66.127352][ T1311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 66.127355][ T1311] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 66.127359][ T1311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.127361][ T1311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.127362][ T1311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.127365][ T1311] ? kasan_save_stack (mm/kasan/common.c:58) [ 66.127367][ T1311] ? kasan_save_stack (mm/kasan/common.c:57) [ 66.127368][ T1311] ? kasan_save_track (mm/kasan/common.c:78) [ 66.127370][ T1311] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 66.127372][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.127374][ T1311] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 66.127377][ T1311] ? ___sys_sendmsg (net/socket.c:2758) [ 66.127381][ T1311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.127383][ T1311] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.127385][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127387][ T1311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.127389][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127390][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127391][ T1311] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.127394][ T1311] ? __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) [ 66.127395][ T1311] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.127397][ T1311] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.127400][ T1311] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 66.127401][ T1311] ? nla_get_range_signed (lib/nlattr.c:270) [ 66.127406][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127408][ T1311] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 66.127414][ T1311] rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.127419][ T1311] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.127421][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.127425][ T1311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.127427][ T1311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.127430][ T1311] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.127431][ T1311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.127435][ T1311] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.127437][ T1311] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.127440][ T1311] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.127442][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.127446][ T1311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.127448][ T1311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.127452][ T1311] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.127455][ T1311] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.127458][ T1311] ? netlink_ack (./include/linux/skbuff.h:2718) [ 66.127464][ T1311] ? 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)) [ 66.127466][ T1311] ? 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)) [ 66.127471][ T1311] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.127475][ T1311] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.127477][ T1311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.127482][ T1311] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.127486][ T1311] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.127490][ T1311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.127491][ T1311] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 66.127497][ T1311] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.127500][ T1311] ____sys_sendmsg (net/socket.c:2713) [ 66.127502][ T1311] ? copy_msghdr_from_user (net/socket.c:2650) [ 66.127504][ T1311] ? sock_write_iter (net/socket.c:1269) [ 66.127506][ T1311] ? move_addr_to_kernel (net/socket.c:258) [ 66.127513][ T1311] ___sys_sendmsg (net/socket.c:2767) [ 66.127516][ T1311] ? copy_msghdr_from_user (net/socket.c:2619) [ 66.127532][ T1311] __sys_sendmsg (net/socket.c:2799) [ 66.127535][ T1311] ? __sys_sendmsg_sock (net/socket.c:2780) [ 66.127542][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.127545][ T1311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.127548][ T1311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 66.127551][ T1311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.127553][ T1311] RIP: 0033:0x7f4b7b9e454e [ 66.127557][ T1311] 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 [ 66.127558][ T1311] RSP: 002b:00007ffe777fe300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 66.127561][ T1311] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4b7b9e454e [ 66.127562][ T1311] RDX: 0000000000000000 RSI: 00007ffe777fe3b0 RDI: 0000000000000005 [ 66.127563][ T1311] RBP: 00007ffe777fe310 R08: 0000000000000000 R09: 0000000000000000 [ 66.127564][ T1311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91586c [ 66.127565][ T1311] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe777fea80 | [ 71.642061][ T215] softirqs last disabled at (221048): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 71.642064][ T215] Preemption disabled at: | [ 71.642064][ T215] 0x0 | [ 71.642075][ T215] Tainted: [W]=WARN [ 71.642076][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.642078][ T215] Workqueue: events_unbound linkwatch_event [ 71.642082][ T215] Call Trace: [ 71.642083][ T215] [ 71.642085][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.642092][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 71.642096][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.642100][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 71.642105][ T215] __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)) [ 71.642107][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.642114][ T215] ? 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) [ 71.642116][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.642120][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 71.642123][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.642126][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 71.642130][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 71.642134][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.642138][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.642140][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.642145][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.642149][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.642151][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.642155][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.642160][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.642162][ T215] ? 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)) [ 71.642165][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.642167][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.642171][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.642176][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.642178][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.642183][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.642186][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.642188][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.642190][ T215] ? 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) [ 71.642194][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.642195][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.642198][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 71.642202][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.642203][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 71.642206][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 71.642208][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 71.642211][ T215] _printk (kernel/printk/printk.c:2504) [ 71.642215][ T215] ? snapshot_read.cold (user.c:?) [ 71.642218][ T215] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 71.642225][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 71.642230][ T215] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 71.642233][ T215] br_port_carrier_check (net/bridge/br_if.c:95) [ 71.642237][ T215] br_device_event (net/bridge/br.c:101) [ 71.642241][ T215] ? packet_sendmsg_spkt (af_packet.c:?) [ 71.642247][ T215] notifier_call_chain (kernel/notifier.c:85) [ 71.642253][ T215] netif_state_change (net/core/dev.c:1625) [ 71.642257][ T215] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 71.642261][ T215] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 71.642265][ T215] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 71.642267][ T215] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 71.642270][ T215] __linkwatch_run_queue (net/core/link_watch.c:240) [ 71.642273][ T215] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 71.642275][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.642280][ T215] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 71.642282][ T215] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 71.642286][ T215] process_one_work (kernel/workqueue.c:3387) [ 71.642293][ T215] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 71.642296][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.642304][ T215] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 71.642308][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 71.642310][ T215] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 71.642313][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 71.642316][ T215] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 71.642318][ T215] kthread (kernel/kthread.c:436) [ 71.642320][ T215] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.642323][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 71.642326][ T215] ret_from_fork (arch/x86/kernel/process.c:158) [ 71.642331][ T215] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 71.642334][ T215] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 71.642338][ T215] ? kthread_affine_preferred (kernel/kthread.c:857) [ 71.642341][ T215] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 80.848985][ C3] softirqs last disabled at (3186267): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 80.848987][ C3] Preemption disabled at: | [ 80.848988][ C3] 0x0 | [ 80.848998][ C3] Tainted: [W]=WARN [ 80.848999][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.849001][ C3] Call Trace: [ 80.849003][ C3] [ 80.849004][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.849010][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 80.849014][ C3] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 80.849017][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.849020][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 80.849024][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849027][ C3] __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)) [ 80.849029][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.849032][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.849037][ C3] ? 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) [ 80.849039][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.849041][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 80.849043][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.849044][ C3] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 80.849047][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.849052][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.849054][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849055][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.849058][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.849060][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.849062][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849063][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849064][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.849066][ C3] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 80.849068][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.849070][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.849073][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.849075][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.849076][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.849078][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849079][ C3] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.849080][ C3] ? 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) [ 80.849082][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.849084][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.849086][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 80.849088][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.849089][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 80.849093][ C3] _printk (kernel/printk/printk.c:2504) [ 80.849096][ C3] ? snapshot_read.cold (user.c:?) [ 80.849097][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 80.849100][ C3] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 80.849102][ C3] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 80.849103][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 80.849106][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 80.849109][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 80.849111][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 80.849112][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 80.849115][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 80.849116][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 80.849120][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849121][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.849123][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 80.849124][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 80.849125][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 80.849127][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 80.849128][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 80.849129][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 80.849133][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 80.849135][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 80.849138][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.849140][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 80.849141][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849143][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 80.849145][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 80.849147][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 80.849148][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 80.849151][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.849153][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 80.849155][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 80.849157][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.849160][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849161][ C3] handle_softirqs (kernel/softirq.c:645) [ 80.849163][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 80.849165][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 80.849167][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 80.849168][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 80.849170][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 80.849173][ C3] [ 80.849173][ C3] [ 80.849174][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 80.849175][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 80.849178][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 80.849180][ C3] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 80.849182][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 80.849185][ C3] RAX: 0000000000309e59 RBX: ff11000001cb8040 RCX: ffffffff94f06247 [ 80.849186][ C3] RDX: ff11000001cb8040 RSI: ffffffff98111027 RDI: ffffffff97a949e0 [ 80.849187][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.849188][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 80.849188][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 80.849190][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 80.849193][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 80.849194][ C3] default_idle_call (kernel/sched/idle.c:122) [ 80.849196][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 80.849197][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 80.849199][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 80.849202][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.849203][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.849204][ C3] do_idle (kernel/sched/idle.c:355) [ 80.849206][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 80.849207][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 80.849209][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 80.849211][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 80.911724][ C3] | [ 80.911795][ C3] | [ 80.911795][ C3] stack backtrace: | [ 80.912021][ C3] Tainted: [W]=WARN [ 80.912022][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.912023][ C3] Call Trace: [ 80.912025][ C3] [ 80.912026][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.912030][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 80.912033][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 80.912036][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 80.912038][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 80.912039][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 80.912042][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 80.912043][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 80.912045][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.912047][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.912049][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 80.912050][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 80.912051][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 80.912053][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 80.912054][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 80.912055][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 80.912058][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 80.912059][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 80.912062][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.912063][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 80.912065][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.912067][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 80.912068][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 80.912070][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 80.912072][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 80.912075][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.912078][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 80.912080][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 80.912081][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.912084][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.912085][ C3] handle_softirqs (kernel/softirq.c:645) [ 80.912087][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 80.912088][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 80.912090][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 80.912092][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 80.912093][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 80.912095][ C3] [ 80.912095][ C3] [ 80.912096][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 80.912097][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 80.912099][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 80.912101][ C3] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 80.912102][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 80.912104][ C3] RAX: 0000000000309e59 RBX: ff11000001cb8040 RCX: ffffffff94f06247 [ 80.912105][ C3] RDX: ff11000001cb8040 RSI: ffffffff98111027 RDI: ffffffff97a949e0 [ 80.912106][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.912107][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 80.912108][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 80.912109][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 80.912112][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 80.912113][ C3] default_idle_call (kernel/sched/idle.c:122) [ 80.912115][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 80.912116][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 80.912118][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 80.912120][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.912121][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.912122][ C3] do_idle (kernel/sched/idle.c:355) [ 80.912124][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 80.912125][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 80.912127][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 80.912129][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 101.754127][ T70] softirqs last disabled at (461008): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 101.754130][ T70] Preemption disabled at: | [ 101.754131][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 101.754145][ T70] Tainted: [W]=WARN [ 101.754146][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.754148][ T70] Workqueue: netns cleanup_net [ 101.754155][ T70] Call Trace: [ 101.754157][ T70] [ 101.754160][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 101.754166][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 101.754168][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 101.754172][ T70] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 101.754176][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.754180][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754184][ T70] __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)) [ 101.754187][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.754191][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.754197][ T70] ? 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) [ 101.754200][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.754203][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 101.754206][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 101.754209][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 101.754212][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 101.754219][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 101.754221][ T70] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 101.754224][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.754227][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754228][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754231][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 101.754235][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 101.754238][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754240][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754242][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754243][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.754247][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 101.754249][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 101.754253][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 101.754257][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 101.754260][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.754262][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 101.754265][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754266][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.754269][ T70] ? 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) [ 101.754271][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 101.754273][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 101.754276][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 101.754279][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 101.754281][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 101.754283][ T70] ? cleanup_net (net/core/net_namespace.c:706) [ 101.754285][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.754289][ T70] ? kthread (kernel/kthread.c:436) [ 101.754291][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 101.754295][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 101.754299][ T70] _printk (kernel/printk/printk.c:2504) [ 101.754303][ T70] ? snapshot_read.cold (user.c:?) [ 101.754306][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 101.754310][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 101.754313][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 101.754316][ T70] ? netdev_notice (net/core/dev.c:13194) [ 101.754320][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754322][ T70] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 101.754324][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 101.754327][ T70] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 101.754330][ T70] ? 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) [ 101.754332][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 101.754335][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 101.754339][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 101.754344][ T70] br_dev_delete (net/bridge/br_if.c:387) [ 101.754347][ T70] br_net_exit_rtnl (net/bridge/br.c:414) [ 101.754350][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 101.754354][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 101.754357][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 101.754361][ T70] cleanup_net (net/core/net_namespace.c:706) [ 101.754363][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 101.754366][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.754369][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.754371][ T70] process_one_work (kernel/workqueue.c:3387) [ 101.754376][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 101.754379][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 101.754382][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.754385][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.754389][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.754391][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 101.754394][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.754397][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.754400][ T70] kthread (kernel/kthread.c:436) [ 101.754402][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.754404][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 101.754407][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 101.754410][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 101.754413][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 101.754417][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars