====================================== | [ 9.333109][ T205] softirqs last disabled at (21172): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.333112][ T205] Preemption disabled at: | [ 9.333112][ T205] 0x0 | [ 9.333122][ T205] Tainted: [W]=WARN [ 9.333123][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.333125][ T205] Call Trace: [ 9.333126][ T205] [ 9.333128][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.333134][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.333138][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.333142][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.333147][ T205] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.333149][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.333155][ T205] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.333158][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.333161][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.333164][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.333165][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.333168][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.333174][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.333181][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.333184][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.333186][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.333190][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.333193][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.333195][ T205] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.333198][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.333200][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.333204][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.333208][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.333210][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.333215][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.333218][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.333219][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.333221][ T205] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.333225][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.333226][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.333229][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.333232][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.333235][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.333238][ T205] _printk (kernel/printk/printk.c:2504) [ 9.333242][ T205] ? snapshot_read.cold (user.c:?) [ 9.333245][ T205] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.333247][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.333251][ T205] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.333254][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.333257][ T205] ? exit_notify (kernel/exit.c:780) [ 9.333258][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.333261][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.333264][ T205] do_group_exit (kernel/exit.c:1151) [ 9.333267][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.333269][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.333271][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.333275][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.333278][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.333280][ T205] RIP: 0033:0x7f6f2797a1b8 [ 9.333282][ T205] Code: Unable to access opcode bytes at 0x7f6f2797a18e. Code starting with the faulting instruction =========================================== [ 9.333283][ T205] RSP: 002b:00007fff6a6f6868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.333285][ T205] RAX: ffffffffffffffda RBX: 00007f6f27aaaf88 RCX: 00007f6f2797a1b8 [ 9.333287][ T205] RDX: 00007f6f276c4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.333288][ T205] RBP: 00007fff6a6f68c0 R08: 0000000000000000 R09: 0000000000000050 [ 9.333288][ T205] R10: 00007fff6a6f6680 R11: 0000000000000246 R12: 0000000000000001 [ 9.333289][ T205] R13: 0000000000000000 R14: 00007f6f27aa9680 R15: 00007f6f27aaafa0 | [ 10.438884][ T260] softirqs last disabled at (19168): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.438887][ T260] Preemption disabled at: | [ 10.438887][ T260] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.438895][ T260] Tainted: [W]=WARN [ 10.438896][ T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.438898][ T260] Call Trace: [ 10.438900][ T260] [ 10.438901][ T260] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.438907][ T260] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.438909][ T260] __might_resched.cold (kernel/sched/core.c:9234) [ 10.438913][ T260] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.438917][ 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) [ 10.438922][ 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)) [ 10.438923][ T260] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.438930][ 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) [ 10.438933][ T260] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.438936][ T260] put_chars (drivers/char/virtio_console.c:1176) [ 10.438938][ T260] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.438940][ T260] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.438943][ T260] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.438949][ T260] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.438956][ T260] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.438959][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.438961][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.438965][ T260] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.438969][ T260] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.438972][ 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)) [ 10.438976][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.438977][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.438981][ T260] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.438985][ T260] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.438987][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.438992][ T260] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.438995][ T260] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.438997][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.438999][ 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) [ 10.439002][ T260] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.439004][ T260] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.439007][ T260] vprintk_emit (kernel/printk/printk.c:2479) [ 10.439010][ T260] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.439011][ T260] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.439013][ 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) [ 10.439016][ T260] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.439020][ T260] _printk (kernel/printk/printk.c:2504) [ 10.439023][ T260] ? snapshot_read.cold (user.c:?) [ 10.439026][ T260] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 10.439031][ T260] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.439035][ T260] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.439039][ T260] br_init_port (net/bridge/br_stp_if.c:39) [ 10.439041][ T260] new_nbp (net/bridge/br_if.c:449) [ 10.439045][ T260] br_add_if (net/bridge/br_if.c:592) [ 10.439047][ T260] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.439048][ T260] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.439055][ T260] do_set_master (net/core/rtnetlink.c:3071) [ 10.439058][ T260] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.439062][ T260] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.439065][ T260] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.439066][ T260] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.439069][ T260] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.439072][ T260] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.439074][ T260] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.439076][ T260] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.439078][ T260] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.439081][ T260] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.439082][ T260] ? kasan_save_track (mm/kasan/common.c:78) [ 10.439083][ T260] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.439085][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.439087][ T260] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.439090][ T260] ? ___sys_sendmsg (net/socket.c:2758) [ 10.439094][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.439096][ T260] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.439098][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.439100][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.439102][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.439103][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.439104][ T260] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.439106][ 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) [ 10.439107][ T260] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.439109][ T260] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.439112][ T260] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.439113][ T260] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.439118][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.439120][ T260] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.439126][ T260] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.439131][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.439133][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.439137][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.439139][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.439141][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.439143][ T260] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.439147][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.439149][ T260] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.439152][ T260] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.439153][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.439157][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.439159][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.439163][ T260] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.439166][ T260] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.439169][ T260] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.439175][ 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)) [ 10.439177][ 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)) [ 10.439182][ T260] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.439185][ T260] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.439188][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.439192][ T260] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.439196][ T260] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.439200][ T260] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.439201][ T260] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.439207][ T260] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.439209][ T260] ____sys_sendmsg (net/socket.c:2713) [ 10.439212][ T260] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.439214][ T260] ? sock_write_iter (net/socket.c:1269) [ 10.439215][ T260] ? move_addr_to_kernel (net/socket.c:258) [ 10.439223][ T260] ___sys_sendmsg (net/socket.c:2767) [ 10.439225][ T260] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.439241][ T260] __sys_sendmsg (net/socket.c:2799) [ 10.439244][ T260] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.439250][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.439253][ T260] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.439256][ T260] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.439259][ T260] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.439261][ T260] RIP: 0033:0x7f16619dd54e [ 10.439265][ 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 [ 10.439266][ T260] RSP: 002b:00007ffe5fde3f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.439269][ T260] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f16619dd54e [ 10.439270][ T260] RDX: 0000000000000000 RSI: 00007ffe5fde3fb0 RDI: 0000000000000005 [ 10.439271][ T260] RBP: 00007ffe5fde3f10 R08: 0000000000000000 R09: 0000000000000000 [ 10.439272][ T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914288 [ 10.439272][ T260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5fde4680 | [ 16.349003][ T290] softirqs last disabled at (21505): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.349006][ T290] Preemption disabled at: | [ 16.349006][ T290] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.349015][ T290] Tainted: [W]=WARN [ 16.349016][ T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.349017][ T290] Call Trace: [ 16.349019][ T290] [ 16.349020][ T290] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.349026][ T290] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.349028][ T290] __might_resched.cold (kernel/sched/core.c:9234) [ 16.349032][ T290] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.349036][ T290] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.349040][ T290] __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)) [ 16.349042][ T290] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.349049][ T290] ? 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) [ 16.349052][ T290] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.349055][ T290] put_chars (drivers/char/virtio_console.c:1176) [ 16.349057][ T290] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.349059][ T290] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.349062][ T290] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.349065][ T290] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.349070][ T290] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.349073][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.349075][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.349080][ T290] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.349081][ T290] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.349085][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.349087][ T290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.349090][ T290] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.349094][ T290] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.349096][ T290] ? 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)) [ 16.349099][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.349101][ T290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.349105][ T290] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.349109][ T290] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.349111][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.349116][ T290] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.349118][ T290] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.349120][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.349122][ T290] ? 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) [ 16.349125][ T290] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.349127][ T290] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.349130][ T290] vprintk_emit (kernel/printk/printk.c:2479) [ 16.349133][ T290] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.349138][ T290] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.349140][ T290] _printk (kernel/printk/printk.c:2504) [ 16.349144][ T290] ? snapshot_read.cold (user.c:?) [ 16.349150][ T290] ? 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) [ 16.349153][ T290] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.349155][ T290] do_one_initcall (init/main.c:1357) [ 16.349158][ T290] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.349162][ T290] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.349165][ T290] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.349170][ T290] do_init_module (kernel/module/main.c:3117) [ 16.349173][ T290] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.349177][ T290] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.349179][ T290] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.349183][ T290] load_module (kernel/module/main.c:3593) [ 16.349188][ T290] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 16.349192][ T290] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.349195][ T290] ? __ia32_sys_fsconfig (??:?) [ 16.349200][ T290] ? backing_file_read_iter (fs/backing-file.c:211) [ 16.349203][ T290] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.349206][ T290] init_module_from_file (kernel/module/main.c:3790) [ 16.349209][ T290] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.349216][ T290] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.349220][ T290] ? 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) [ 16.349223][ T290] idempotent_init_module (kernel/module/main.c:3802) [ 16.349225][ T290] ? init_module_from_file (kernel/module/main.c:3791) [ 16.349230][ T290] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.349233][ T290] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 16.349238][ T290] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.349240][ T290] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.349243][ T290] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.349246][ T290] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.349249][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.349251][ T290] RIP: 0033:0x7f6abc47237d [ 16.349254][ T290] 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 [ 16.349256][ T290] RSP: 002b:00007ffc44f93d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.349258][ T290] RAX: ffffffffffffffda RBX: 0000559903674810 RCX: 00007f6abc47237d [ 16.349260][ T290] RDX: 0000000000000000 RSI: 00005598f8d5dffd RDI: 0000000000000000 [ 16.349260][ T290] RBP: 00007ffc44f93e20 R08: 0000000000000000 R09: 0000000000000000 [ 16.349261][ T290] R10: 0000000000000000 R11: 0000000000000246 R12: 00005598f8d5dffd [ 16.349262][ T290] R13: 0000559903674960 R14: 0000000000040000 R15: 0000000000000000 | [ 17.410655][ T39] softirqs last disabled at (75752): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 17.410658][ T39] Preemption disabled at: | [ 17.410658][ T39] 0x0 | [ 17.410668][ T39] Tainted: [W]=WARN [ 17.410669][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.410671][ T39] Workqueue: events_unbound linkwatch_event [ 17.410674][ T39] Call Trace: [ 17.410676][ T39] [ 17.410677][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.410684][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 17.410688][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.410692][ 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) [ 17.410697][ 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)) [ 17.410699][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.410705][ 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) [ 17.410708][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.410712][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 17.410715][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.410717][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.410720][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.410723][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.410727][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.410731][ T39] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.410733][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.410735][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.410739][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.410741][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.410745][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.410750][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.410754][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.410756][ 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)) [ 17.410759][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.410761][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.410765][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.410770][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.410771][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.410777][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.410780][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.410782][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.410783][ 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) [ 17.410787][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.410789][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.410792][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 17.410795][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.410797][ T39] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 17.410799][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.410801][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.410805][ T39] _printk (kernel/printk/printk.c:2504) [ 17.410808][ T39] ? snapshot_read.cold (user.c:?) [ 17.410814][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.410818][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.410823][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 17.410825][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 17.410827][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 17.410831][ T39] br_device_event (net/bridge/br.c:101) [ 17.410834][ T39] ? fib6_ifdown (net/ipv6/route.c:4976) [ 17.410836][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.410842][ T39] notifier_call_chain (kernel/notifier.c:85) [ 17.410848][ T39] netif_state_change (net/core/dev.c:1625) [ 17.410854][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.410859][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 17.410861][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 17.410864][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.410866][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.410871][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 17.410873][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 17.410876][ T39] process_one_work (kernel/workqueue.c:3387) [ 17.410883][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.410886][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.410894][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.410902][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.410904][ T39] kthread (kernel/kthread.c:436) [ 17.410906][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.410909][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.410912][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.410916][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.410920][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.410923][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.410926][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.442165][ T113] softirqs last disabled at (28798): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.442167][ T113] Preemption disabled at: | [ 18.442168][ T113] 0x0 | [ 18.442178][ T113] Tainted: [W]=WARN [ 18.442179][ T113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.442181][ T113] Workqueue: events_unbound linkwatch_event [ 18.442184][ T113] Call Trace: [ 18.442186][ T113] [ 18.442188][ T113] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.442195][ T113] __might_resched.cold (kernel/sched/core.c:9234) [ 18.442199][ T113] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.442203][ T113] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.442208][ T113] __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)) [ 18.442210][ T113] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.442216][ T113] ? 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) [ 18.442219][ T113] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.442223][ T113] put_chars (drivers/char/virtio_console.c:1176) [ 18.442226][ T113] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.442228][ T113] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.442231][ T113] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.442234][ T113] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.442238][ T113] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.442242][ T113] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.442244][ T113] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.442246][ T113] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.442250][ T113] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.442252][ T113] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.442257][ T113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.442261][ T113] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.442265][ T113] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.442267][ T113] ? 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)) [ 18.442270][ T113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.442272][ T113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.442276][ T113] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.442280][ T113] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.442282][ T113] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.442288][ T113] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.442291][ T113] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.442293][ T113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.442294][ T113] ? 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) [ 18.442298][ T113] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.442300][ T113] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.442303][ T113] vprintk_emit (kernel/printk/printk.c:2479) [ 18.442306][ T113] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.442307][ T113] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 18.442310][ T113] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.442312][ T113] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.442315][ T113] _printk (kernel/printk/printk.c:2504) [ 18.442319][ T113] ? snapshot_read.cold (user.c:?) [ 18.442324][ T113] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.442328][ T113] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.442333][ T113] br_init_port (net/bridge/br_stp_if.c:39) [ 18.442335][ T113] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.442337][ T113] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.442341][ T113] br_device_event (net/bridge/br.c:101) [ 18.442344][ T113] ? fib6_ifdown (net/ipv6/route.c:4976) [ 18.442346][ T113] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.442352][ T113] notifier_call_chain (kernel/notifier.c:85) [ 18.442358][ T113] netif_state_change (net/core/dev.c:1625) [ 18.442363][ T113] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.442368][ T113] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.442370][ T113] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.442373][ T113] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.442375][ T113] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.442380][ T113] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.442382][ T113] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.442385][ T113] process_one_work (kernel/workqueue.c:3387) [ 18.442392][ T113] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.442395][ T113] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.442403][ T113] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.442410][ T113] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.442412][ T113] kthread (kernel/kthread.c:436) [ 18.442414][ T113] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.442418][ T113] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.442420][ T113] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.442425][ T113] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.442428][ T113] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.442432][ T113] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.442434][ T113] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.365157][ T94] softirqs last disabled at (70694): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 20.365159][ T94] Preemption disabled at: | [ 20.365160][ T94] 0x0 | [ 20.365171][ T94] Tainted: [W]=WARN [ 20.365172][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.365174][ T94] Workqueue: events_unbound linkwatch_event [ 20.365177][ T94] Call Trace: [ 20.365179][ T94] [ 20.365180][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.365187][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 20.365191][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.365195][ T94] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.365200][ T94] __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)) [ 20.365202][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.365212][ T94] ? 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) [ 20.365215][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.365219][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 20.365221][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.365225][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.365228][ T94] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.365232][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.365236][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.365238][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.365242][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.365246][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.365248][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.365253][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.365257][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.365259][ T94] ? 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)) [ 20.365262][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.365264][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.365268][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.365272][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.365274][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.365280][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.365283][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.365285][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.365287][ T94] ? 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) [ 20.365291][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.365293][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.365295][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 20.365298][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.365300][ T94] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.365302][ T94] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.365305][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.365308][ T94] _printk (kernel/printk/printk.c:2504) [ 20.365312][ T94] ? snapshot_read.cold (user.c:?) [ 20.365315][ T94] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 20.365321][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 20.365326][ T94] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 20.365329][ T94] br_port_carrier_check (net/bridge/br_if.c:95) [ 20.365333][ T94] br_device_event (net/bridge/br.c:101) [ 20.365337][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.365343][ T94] notifier_call_chain (kernel/notifier.c:85) [ 20.365349][ T94] netif_state_change (net/core/dev.c:1625) [ 20.365352][ T94] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 20.365357][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.365360][ T94] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 20.365363][ T94] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 20.365365][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 20.365368][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.365370][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.365375][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 20.365377][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 20.365380][ T94] process_one_work (kernel/workqueue.c:3387) [ 20.365387][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.365390][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.365398][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.365402][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.365404][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 20.365407][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.365410][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.365412][ T94] kthread (kernel/kthread.c:436) [ 20.365414][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.365417][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.365420][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.365424][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.365427][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.365431][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.365434][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.109710][ T492] softirqs last disabled at (13502): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 22.109713][ T492] Preemption disabled at: | [ 22.109713][ T492] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.109722][ T492] Tainted: [W]=WARN [ 22.109723][ T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.109724][ T492] Call Trace: [ 22.109726][ T492] [ 22.109728][ T492] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.109733][ T492] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.109735][ T492] __might_resched.cold (kernel/sched/core.c:9234) [ 22.109739][ T492] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.109743][ 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) [ 22.109747][ 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)) [ 22.109749][ T492] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.109756][ 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) [ 22.109758][ T492] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.109762][ T492] put_chars (drivers/char/virtio_console.c:1176) [ 22.109764][ T492] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.109771][ T492] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.109779][ T492] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.109782][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.109786][ T492] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.109790][ T492] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.109792][ 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)) [ 22.109795][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.109798][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.109802][ T492] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.109806][ T492] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.109808][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.109813][ T492] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.109816][ T492] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.109817][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.109819][ 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) [ 22.109823][ T492] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.109824][ T492] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.109827][ T492] vprintk_emit (kernel/printk/printk.c:2479) [ 22.109830][ T492] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.109833][ T492] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 22.109838][ T492] _printk (kernel/printk/printk.c:2504) [ 22.109841][ T492] ? snapshot_read.cold (user.c:?) [ 22.109843][ T492] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.109846][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.109849][ T492] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.109851][ T492] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 22.109854][ T492] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 22.109857][ T492] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.109859][ T492] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 22.109862][ T492] ? netdev_notice (net/core/dev.c:13194) [ 22.109865][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.109868][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.109870][ T492] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.109874][ T492] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.109876][ T492] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 22.109878][ T492] ? register_netdev (net/core/dev.c:11618) [ 22.109879][ 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)) [ 22.109885][ T492] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 22.109887][ T492] ? __kernel_text_address (kernel/extable.c:79) [ 22.109890][ T492] ? write_profile (profile.c:?) [ 22.109894][ T492] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 22.109900][ T492] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.109903][ T492] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.109905][ T492] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.109907][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 22.109908][ T492] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 22.109912][ T492] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.109914][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.109915][ T492] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.109918][ T492] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.109920][ T492] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.109921][ T492] ? kasan_save_track (mm/kasan/common.c:78) [ 22.109922][ T492] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 22.109924][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.109926][ T492] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 22.109929][ T492] ? ___sys_sendmsg (net/socket.c:2758) [ 22.109933][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.109935][ T492] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.109938][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.109939][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.109941][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.109942][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.109943][ T492] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.109946][ 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) [ 22.109947][ T492] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.109949][ T492] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.109952][ T492] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.109953][ T492] ? nla_get_range_signed (lib/nlattr.c:270) [ 22.109958][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.109960][ T492] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.109965][ T492] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.109974][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.109976][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.109980][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.109982][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.109984][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.109986][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.109989][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.109991][ T492] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.109994][ T492] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.109996][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.110000][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.110002][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.110005][ T492] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.110008][ T492] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.110011][ T492] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.110017][ 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)) [ 22.110019][ 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)) [ 22.110024][ T492] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.110027][ T492] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.110030][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.110034][ T492] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.110038][ T492] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.110042][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.110043][ T492] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 22.110049][ T492] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 22.110052][ T492] ____sys_sendmsg (net/socket.c:2713) [ 22.110054][ T492] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.110056][ T492] ? sock_write_iter (net/socket.c:1269) [ 22.110058][ T492] ? move_addr_to_kernel (net/socket.c:258) [ 22.110065][ T492] ___sys_sendmsg (net/socket.c:2767) [ 22.110068][ T492] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.110083][ T492] __sys_sendmsg (net/socket.c:2799) [ 22.110086][ T492] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.110092][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.110095][ T492] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.110098][ T492] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.110101][ T492] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.110103][ T492] RIP: 0033:0x7fedcb7b954e [ 22.110108][ 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 [ 22.110109][ T492] RSP: 002b:00007ffe0c026dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.110112][ T492] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fedcb7b954e [ 22.110113][ T492] RDX: 0000000000000000 RSI: 00007ffe0c026e80 RDI: 0000000000000005 [ 22.110114][ T492] RBP: 00007ffe0c026de0 R08: 0000000000000000 R09: 0000000000000000 [ 22.110115][ T492] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914294 [ 22.110116][ T492] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0c027540 | [ 23.120548][ T544] softirqs last disabled at (22908): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 23.120550][ T544] Preemption disabled at: | [ 23.120550][ T544] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.120559][ T544] Tainted: [W]=WARN [ 23.120560][ T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.120561][ T544] Call Trace: [ 23.120563][ T544] [ 23.120565][ T544] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.120571][ T544] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.120572][ T544] __might_resched.cold (kernel/sched/core.c:9234) [ 23.120576][ T544] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.120581][ T544] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.120585][ T544] __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)) [ 23.120587][ T544] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.120594][ T544] ? 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) [ 23.120597][ T544] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.120600][ T544] put_chars (drivers/char/virtio_console.c:1176) [ 23.120602][ T544] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.120604][ T544] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.120607][ T544] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.120610][ T544] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.120614][ T544] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.120618][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.120623][ T544] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.120626][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.120631][ T544] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.120635][ T544] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.120636][ T544] ? 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)) [ 23.120639][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.120641][ T544] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.120645][ T544] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.120649][ T544] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.120651][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.120656][ T544] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.120659][ T544] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.120661][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.120662][ T544] ? 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) [ 23.120666][ T544] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.120668][ T544] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.120671][ T544] vprintk_emit (kernel/printk/printk.c:2479) [ 23.120674][ T544] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.120675][ T544] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.120678][ T544] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.120682][ T544] _printk (kernel/printk/printk.c:2504) [ 23.120685][ T544] ? snapshot_read.cold (user.c:?) [ 23.120689][ T544] ? br_multicast_flood (??:?) [ 23.120691][ T544] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 23.120692][ T544] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 23.120694][ T544] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.120698][ T544] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.120702][ T544] br_init_port (net/bridge/br_stp_if.c:39) [ 23.120704][ T544] new_nbp (net/bridge/br_if.c:449) [ 23.120708][ T544] br_add_if (net/bridge/br_if.c:592) [ 23.120710][ T544] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 23.120718][ T544] do_set_master (net/core/rtnetlink.c:3071) [ 23.120721][ T544] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 23.120724][ T544] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 23.120726][ T544] ? __dev_get_by_name (net/core/dev.c:905) [ 23.120728][ T544] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 23.120737][ T544] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 23.120744][ T544] rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.120749][ T544] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.120751][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.120758][ T544] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.120761][ T544] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.120763][ T544] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 23.120766][ T544] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.120768][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.120772][ T544] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.120774][ T544] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.120778][ T544] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 23.120781][ T544] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.120784][ T544] ? netlink_ack (./include/linux/skbuff.h:2718) [ 23.120790][ T544] ? 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)) [ 23.120792][ T544] ? 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)) [ 23.120796][ T544] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 23.120800][ T544] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.120806][ T544] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 23.120810][ T544] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.120813][ T544] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.120815][ T544] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 23.120820][ T544] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 23.120824][ T544] ____sys_sendmsg (net/socket.c:2713) [ 23.120826][ T544] ? copy_msghdr_from_user (net/socket.c:2650) [ 23.120829][ T544] ? sock_write_iter (net/socket.c:1269) [ 23.120830][ T544] ? move_addr_to_kernel (net/socket.c:258) [ 23.120835][ T544] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 23.120837][ T544] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.120841][ T544] ___sys_sendmsg (net/socket.c:2767) [ 23.120843][ T544] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 23.120845][ T544] ? copy_msghdr_from_user (net/socket.c:2619) [ 23.120847][ T544] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 23.120862][ T544] __sys_sendmsg (net/socket.c:2799) [ 23.120865][ T544] ? __sys_sendmsg_sock (net/socket.c:2780) [ 23.120870][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.120872][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.120875][ T544] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.120879][ T544] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.120882][ T544] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.120884][ T544] RIP: 0033:0x7f7877a6e54e [ 23.120888][ T544] 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 [ 23.120889][ T544] RSP: 002b:00007fffb7717460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.120892][ T544] RAX: ffffffffffffffda RBX: 00007fffb7717c28 RCX: 00007f7877a6e54e [ 23.120893][ T544] RDX: 0000000000000000 RSI: 00007fffb7717510 RDI: 0000000000000005 [ 23.120894][ T544] RBP: 00007fffb7717470 R08: 0000000000000000 R09: 0000000000000000 [ 23.120895][ T544] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914295 [ 23.120896][ T544] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb7717be0 | [ 29.221100][ T477] softirqs last disabled at (44532): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 29.221103][ T477] Preemption disabled at: | [ 29.221103][ T477] 0x0 | [ 29.221113][ T477] Tainted: [W]=WARN [ 29.221114][ T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.221116][ T477] Workqueue: events_unbound linkwatch_event [ 29.221119][ T477] Call Trace: [ 29.221120][ T477] [ 29.221122][ T477] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.221128][ T477] __might_resched.cold (kernel/sched/core.c:9234) [ 29.221132][ T477] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.221136][ T477] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.221141][ T477] __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)) [ 29.221143][ T477] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.221149][ T477] ? 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) [ 29.221152][ T477] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.221156][ T477] put_chars (drivers/char/virtio_console.c:1176) [ 29.221158][ T477] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.221161][ T477] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.221164][ T477] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.221169][ T477] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.221173][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.221174][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.221179][ T477] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.221183][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.221185][ T477] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.221189][ T477] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.221194][ T477] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.221195][ T477] ? 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)) [ 29.221199][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.221201][ T477] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.221205][ T477] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.221209][ T477] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.221211][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.221216][ T477] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.221219][ T477] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.221221][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.221223][ T477] ? 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) [ 29.221227][ T477] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.221229][ T477] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.221232][ T477] vprintk_emit (kernel/printk/printk.c:2479) [ 29.221235][ T477] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.221236][ T477] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.221239][ T477] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.221241][ T477] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.221244][ T477] _printk (kernel/printk/printk.c:2504) [ 29.221248][ T477] ? snapshot_read.cold (user.c:?) [ 29.221251][ T477] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 29.221258][ T477] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.221262][ T477] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 29.221266][ T477] br_port_carrier_check (net/bridge/br_if.c:95) [ 29.221270][ T477] br_device_event (net/bridge/br.c:101) [ 29.221274][ T477] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.221280][ T477] notifier_call_chain (kernel/notifier.c:85) [ 29.221286][ T477] netif_state_change (net/core/dev.c:1625) [ 29.221289][ T477] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 29.221293][ T477] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.221297][ T477] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 29.221299][ T477] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 29.221302][ T477] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.221305][ T477] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.221307][ T477] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.221312][ T477] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.221314][ T477] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.221318][ T477] process_one_work (kernel/workqueue.c:3387) [ 29.221324][ T477] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.221327][ T477] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.221335][ T477] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.221339][ T477] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.221342][ T477] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.221344][ T477] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.221347][ T477] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.221349][ T477] kthread (kernel/kthread.c:436) [ 29.221352][ T477] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.221355][ T477] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.221358][ T477] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.221362][ T477] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.221366][ T477] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.221369][ T477] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.221372][ T477] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.576154][ T39] softirqs last disabled at (159190): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 30.576157][ T39] Preemption disabled at: | [ 30.576157][ T39] 0x0 | [ 30.576167][ T39] Tainted: [W]=WARN [ 30.576168][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.576170][ T39] Workqueue: events_unbound linkwatch_event [ 30.576173][ T39] Call Trace: [ 30.576175][ T39] [ 30.576177][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.576183][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 30.576188][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.576192][ 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) [ 30.576196][ 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)) [ 30.576198][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.576205][ 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) [ 30.576207][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.576211][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 30.576213][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.576217][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.576220][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.576224][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.576228][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.576230][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.576234][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.576238][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.576240][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.576244][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.576249][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.576250][ 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)) [ 30.576254][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.576255][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.576259][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.576264][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.576265][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.576271][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.576274][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.576276][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.576277][ 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) [ 30.576281][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.576283][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.576286][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 30.576289][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.576290][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.576293][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.576295][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.576298][ T39] _printk (kernel/printk/printk.c:2504) [ 30.576302][ T39] ? snapshot_read.cold (user.c:?) [ 30.576305][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 30.576311][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 30.576316][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 30.576319][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 30.576323][ T39] br_device_event (net/bridge/br.c:101) [ 30.576327][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.576333][ T39] notifier_call_chain (kernel/notifier.c:85) [ 30.576339][ T39] netif_state_change (net/core/dev.c:1625) [ 30.576342][ T39] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 30.576346][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.576350][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 30.576352][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 30.576354][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 30.576357][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.576360][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.576364][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 30.576366][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 30.576370][ T39] process_one_work (kernel/workqueue.c:3387) [ 30.576376][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 30.576379][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.576387][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 30.576394][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.576396][ T39] kthread (kernel/kthread.c:436) [ 30.576399][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.576402][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.576405][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 30.576409][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 30.576412][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 30.576416][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.576418][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.904037][ T477] softirqs last disabled at (73596): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 32.904040][ T477] Preemption disabled at: | [ 32.904040][ T477] 0x0 | [ 32.904050][ T477] Tainted: [W]=WARN [ 32.904051][ T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.904053][ T477] Workqueue: events_unbound linkwatch_event [ 32.904056][ T477] Call Trace: [ 32.904058][ T477] [ 32.904059][ T477] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.904066][ T477] __might_resched.cold (kernel/sched/core.c:9234) [ 32.904070][ T477] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.904074][ T477] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.904079][ T477] __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)) [ 32.904081][ T477] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.904087][ T477] ? 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) [ 32.904090][ T477] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.904094][ T477] put_chars (drivers/char/virtio_console.c:1176) [ 32.904096][ T477] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.904100][ T477] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.904103][ T477] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.904107][ T477] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.904112][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.904113][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.904118][ T477] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.904122][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.904124][ T477] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.904128][ T477] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.904132][ T477] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.904134][ T477] ? 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)) [ 32.904138][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.904139][ T477] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.904144][ T477] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.904148][ T477] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.904150][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.904155][ T477] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.904158][ T477] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.904160][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.904162][ T477] ? 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) [ 32.904166][ T477] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.904168][ T477] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.904171][ T477] vprintk_emit (kernel/printk/printk.c:2479) [ 32.904174][ T477] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.904175][ T477] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.904178][ T477] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.904180][ T477] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.904184][ T477] _printk (kernel/printk/printk.c:2504) [ 32.904188][ T477] ? snapshot_read.cold (user.c:?) [ 32.904191][ T477] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 32.904197][ T477] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.904202][ T477] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.904205][ T477] br_port_carrier_check (net/bridge/br_if.c:95) [ 32.904209][ T477] br_device_event (net/bridge/br.c:101) [ 32.904213][ T477] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.904219][ T477] notifier_call_chain (kernel/notifier.c:85) [ 32.904225][ T477] netif_state_change (net/core/dev.c:1625) [ 32.904228][ T477] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 32.904233][ T477] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.904236][ T477] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 32.904239][ T477] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 32.904241][ T477] __linkwatch_run_queue (net/core/link_watch.c:240) [ 32.904244][ T477] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.904247][ T477] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.904251][ T477] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 32.904253][ T477] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 32.904257][ T477] process_one_work (kernel/workqueue.c:3387) [ 32.904264][ T477] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.904267][ T477] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.904274][ T477] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.904279][ T477] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.904281][ T477] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.904283][ T477] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.904286][ T477] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.904288][ T477] kthread (kernel/kthread.c:436) [ 32.904290][ T477] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.904294][ T477] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.904297][ T477] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.904301][ T477] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.904304][ T477] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.904308][ T477] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.904311][ T477] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.917468][ T777] softirqs last disabled at (15936): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 34.917471][ T777] Preemption disabled at: | [ 34.917471][ T777] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.917479][ T777] Tainted: [W]=WARN [ 34.917480][ T777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.917482][ T777] Call Trace: [ 34.917484][ T777] [ 34.917485][ T777] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.917491][ T777] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.917493][ T777] __might_resched.cold (kernel/sched/core.c:9234) [ 34.917497][ T777] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.917502][ T777] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.917506][ T777] __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)) [ 34.917508][ T777] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.917514][ T777] ? 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) [ 34.917517][ T777] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.917521][ T777] put_chars (drivers/char/virtio_console.c:1176) [ 34.917523][ T777] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.917529][ T777] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.917537][ T777] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.917540][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.917544][ T777] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.917548][ T777] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.917550][ T777] ? 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)) [ 34.917553][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.917556][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.917560][ T777] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.917564][ T777] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.917566][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.917571][ T777] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.917578][ T777] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.917579][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.917581][ T777] ? 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) [ 34.917585][ T777] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.917586][ T777] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.917589][ T777] vprintk_emit (kernel/printk/printk.c:2479) [ 34.917592][ T777] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.917594][ T777] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 34.917599][ T777] _printk (kernel/printk/printk.c:2504) [ 34.917603][ T777] ? snapshot_read.cold (user.c:?) [ 34.917604][ T777] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.917607][ T777] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.917610][ T777] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.917612][ T777] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.917616][ T777] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.917618][ T777] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.917621][ T777] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.917623][ T777] ? netdev_notice (net/core/dev.c:13194) [ 34.917626][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.917629][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.917631][ T777] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.917635][ T777] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.917637][ T777] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 34.917639][ T777] ? register_netdev (net/core/dev.c:11618) [ 34.917640][ T777] ? 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)) [ 34.917645][ T777] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 34.917647][ T777] ? __kernel_text_address (kernel/extable.c:79) [ 34.917650][ T777] ? write_profile (profile.c:?) [ 34.917654][ T777] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 34.917659][ T777] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.917663][ T777] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 34.917665][ T777] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 34.917666][ T777] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 34.917668][ T777] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 34.917671][ T777] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.917673][ T777] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.917674][ T777] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.917677][ T777] ? kasan_save_stack (mm/kasan/common.c:58) [ 34.917679][ T777] ? kasan_save_stack (mm/kasan/common.c:57) [ 34.917680][ T777] ? kasan_save_track (mm/kasan/common.c:78) [ 34.917681][ T777] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 34.917683][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.917685][ T777] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 34.917688][ T777] ? ___sys_sendmsg (net/socket.c:2758) [ 34.917692][ T777] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.917693][ T777] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.917696][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.917698][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.917699][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.917700][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.917702][ T777] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 34.917704][ T777] ? __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) [ 34.917705][ T777] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.917707][ T777] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.917710][ T777] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 34.917711][ T777] ? nla_get_range_signed (lib/nlattr.c:270) [ 34.917716][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.917718][ T777] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 34.917723][ T777] rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.917728][ T777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.917730][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.917734][ T777] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.917736][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.917738][ T777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.917740][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.917743][ T777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.917745][ T777] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.917748][ T777] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.917749][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.917754][ T777] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.917755][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.917759][ T777] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.917762][ T777] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.917764][ T777] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.917771][ T777] ? 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)) [ 34.917773][ T777] ? 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)) [ 34.917777][ T777] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.917781][ T777] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.917783][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.917787][ T777] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.917791][ T777] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.917795][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.917796][ T777] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 34.917801][ T777] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 34.917804][ T777] ____sys_sendmsg (net/socket.c:2713) [ 34.917806][ T777] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.917808][ T777] ? sock_write_iter (net/socket.c:1269) [ 34.917810][ T777] ? move_addr_to_kernel (net/socket.c:258) [ 34.917817][ T777] ___sys_sendmsg (net/socket.c:2767) [ 34.917820][ T777] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.917835][ T777] __sys_sendmsg (net/socket.c:2799) [ 34.917838][ T777] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.917844][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.917846][ T777] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.917849][ T777] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.917852][ T777] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.917854][ T777] RIP: 0033:0x7f588dfa554e [ 34.917858][ T777] 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 [ 34.917859][ T777] RSP: 002b:00007ffc25de28e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.917862][ T777] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f588dfa554e [ 34.917863][ T777] RDX: 0000000000000000 RSI: 00007ffc25de2990 RDI: 0000000000000005 [ 34.917864][ T777] RBP: 00007ffc25de28f0 R08: 0000000000000000 R09: 0000000000000000 [ 34.917865][ T777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9142a1 [ 34.917866][ T777] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc25de3050 | [ 35.917088][ T828] softirqs last disabled at (19372): br_add_if (./include/linux/spinlock.h:353 net/bridge/br_if.c:674) | [ 35.917090][ T828] Preemption disabled at: | [ 35.917091][ T828] 0x0 | [ 35.917101][ T828] Tainted: [W]=WARN [ 35.917102][ T828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.917103][ T828] Call Trace: [ 35.917105][ T828] [ 35.917107][ T828] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.917114][ T828] __might_resched.cold (kernel/sched/core.c:9234) [ 35.917119][ T828] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.917123][ T828] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.917127][ T828] __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)) [ 35.917129][ T828] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.917136][ T828] ? 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) [ 35.917139][ T828] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.917142][ T828] put_chars (drivers/char/virtio_console.c:1176) [ 35.917143][ T828] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 35.917146][ T828] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.917149][ T828] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.917152][ T828] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.917156][ T828] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.917160][ T828] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.917162][ T828] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.917166][ T828] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.917168][ T828] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 35.917171][ T828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.917174][ T828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.917178][ T828] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.917181][ T828] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.917183][ T828] ? 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)) [ 35.917186][ T828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.917188][ T828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.917192][ T828] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.917196][ T828] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.917198][ T828] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.917203][ T828] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.917206][ T828] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.917207][ T828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.917209][ T828] ? 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) [ 35.917213][ T828] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.917214][ T828] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.917217][ T828] vprintk_emit (kernel/printk/printk.c:2479) [ 35.917220][ T828] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.917222][ T828] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.917226][ T828] _printk (kernel/printk/printk.c:2504) [ 35.917230][ T828] ? snapshot_read.cold (user.c:?) [ 35.917237][ T828] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 35.917241][ T828] br_make_forwarding (net/bridge/br_stp.c:467) [ 35.917244][ T828] br_port_state_selection (net/bridge/br_stp.c:499) [ 35.917249][ T828] br_stp_enable_port (net/bridge/br_stp_if.c:94) [ 35.917250][ T828] br_add_if (net/bridge/br_if.c:679) [ 35.917252][ T828] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 35.917261][ T828] do_set_master (net/core/rtnetlink.c:3071) [ 35.917265][ T828] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 35.917268][ T828] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 35.917270][ T828] ? __dev_get_by_name (net/core/dev.c:905) [ 35.917272][ T828] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 35.917281][ T828] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 35.917288][ T828] rtnl_newlink (net/core/rtnetlink.c:4215) [ 35.917293][ T828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.917295][ T828] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.917302][ T828] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.917306][ T828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.917307][ T828] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.917311][ T828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.917312][ T828] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.917316][ T828] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.917318][ T828] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.917322][ T828] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.917325][ T828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.917328][ T828] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.917334][ T828] ? 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)) [ 35.917336][ T828] ? 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)) [ 35.917341][ T828] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.917345][ T828] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.917350][ T828] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.917354][ T828] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.917358][ T828] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.917359][ T828] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 35.917365][ T828] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 35.917369][ T828] ____sys_sendmsg (net/socket.c:2713) [ 35.917371][ T828] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.917373][ T828] ? sock_write_iter (net/socket.c:1269) [ 35.917375][ T828] ? move_addr_to_kernel (net/socket.c:258) [ 35.917379][ T828] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 35.917382][ T828] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.917385][ T828] ___sys_sendmsg (net/socket.c:2767) [ 35.917387][ T828] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 35.917390][ T828] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.917392][ T828] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 35.917407][ T828] __sys_sendmsg (net/socket.c:2799) [ 35.917410][ T828] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.917415][ T828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.917417][ T828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.917420][ T828] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.917424][ T828] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.917427][ T828] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.917429][ T828] RIP: 0033:0x7f0eb998154e [ 35.917431][ T828] 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 [ 35.917433][ T828] RSP: 002b:00007ffea3e64bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.917435][ T828] RAX: ffffffffffffffda RBX: 00007ffea3e65378 RCX: 00007f0eb998154e [ 35.917436][ T828] RDX: 0000000000000000 RSI: 00007ffea3e64c60 RDI: 0000000000000005 [ 35.917437][ T828] RBP: 00007ffea3e64bc0 R08: 0000000000000000 R09: 0000000000000000 [ 35.917438][ T828] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9142a2 [ 35.917439][ T828] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea3e65330 | [ 41.738115][ T216] softirqs last disabled at (162892): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 41.738117][ T216] Preemption disabled at: | [ 41.738118][ T216] 0x0 | [ 41.738128][ T216] Tainted: [W]=WARN [ 41.738129][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.738131][ T216] Workqueue: events_unbound linkwatch_event [ 41.738134][ T216] Call Trace: [ 41.738135][ T216] [ 41.738137][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.738143][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 41.738148][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.738152][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.738156][ T216] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.738158][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.738165][ T216] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.738167][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.738171][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 41.738174][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.738177][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.738180][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.738185][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.738189][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.738190][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.738195][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.738199][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.738201][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.738205][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.738209][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.738211][ T216] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 41.738214][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.738216][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.738220][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.738224][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.738226][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.738232][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.738235][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.738237][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.738239][ T216] ? 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) [ 41.738242][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.738244][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.738247][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 41.738250][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.738251][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.738254][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.738256][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.738259][ T216] _printk (kernel/printk/printk.c:2504) [ 41.738263][ T216] ? snapshot_read.cold (user.c:?) [ 41.738266][ T216] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 41.738272][ T216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.738277][ T216] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 41.738280][ T216] br_port_carrier_check (net/bridge/br_if.c:95) [ 41.738284][ T216] br_device_event (net/bridge/br.c:101) [ 41.738288][ T216] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.738294][ T216] notifier_call_chain (kernel/notifier.c:85) [ 41.738300][ T216] netif_state_change (net/core/dev.c:1625) [ 41.738303][ T216] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 41.738307][ T216] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.738311][ T216] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 41.738313][ T216] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 41.738315][ T216] __linkwatch_run_queue (net/core/link_watch.c:240) [ 41.738319][ T216] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.738321][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.738325][ T216] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 41.738328][ T216] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 41.738331][ T216] process_one_work (kernel/workqueue.c:3387) [ 41.738338][ T216] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.738341][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.738349][ T216] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.738353][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.738355][ T216] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 41.738358][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.738361][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.738363][ T216] kthread (kernel/kthread.c:436) [ 41.738365][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.738368][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.738371][ T216] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.738375][ T216] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.738379][ T216] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.738382][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.738385][ T216] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.224557][ T12] softirqs last disabled at (264181): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 45.224559][ T12] Preemption disabled at: | [ 45.224560][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.224568][ T12] Tainted: [W]=WARN [ 45.224569][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.224571][ T12] Workqueue: netns cleanup_net [ 45.224574][ T12] Call Trace: [ 45.224576][ T12] [ 45.224578][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.224584][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.224585][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 45.224590][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.224594][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.224598][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.224600][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.224607][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.224609][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.224613][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 45.224616][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.224617][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.224620][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.224623][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.224634][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.224638][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.224643][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.224646][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.224651][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.224655][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.224657][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 45.224660][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.224662][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.224666][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.224670][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.224672][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.224677][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.224680][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.224682][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.224684][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 45.224687][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.224689][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.224692][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 45.224695][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.224696][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 45.224698][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.224700][ T12] ? kthread (kernel/kthread.c:436) [ 45.224702][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 45.224705][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 45.224709][ T12] _printk (kernel/printk/printk.c:2504) [ 45.224713][ T12] ? snapshot_read.cold (user.c:?) [ 45.224717][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.224721][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.224725][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.224728][ T12] ? netdev_notice (net/core/dev.c:13194) [ 45.224732][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.224734][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 45.224736][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 45.224738][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 45.224741][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 45.224745][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 45.224748][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 45.224755][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 45.224758][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 45.224761][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 45.224765][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 45.224769][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 45.224770][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.224773][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 45.224778][ T12] cleanup_net (net/core/net_namespace.c:706) [ 45.224781][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 45.224785][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.224787][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.224790][ T12] process_one_work (kernel/workqueue.c:3387) [ 45.224797][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.224800][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.224807][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.224814][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.224817][ T12] kthread (kernel/kthread.c:436) [ 45.224818][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.224822][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.224825][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.224827][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.224831][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.224834][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.224837][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.396469][ T1032] softirqs last disabled at (16230): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 46.396472][ T1032] Preemption disabled at: | [ 46.396472][ T1032] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.396480][ T1032] Tainted: [W]=WARN [ 46.396481][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.396483][ T1032] Call Trace: [ 46.396484][ T1032] [ 46.396486][ T1032] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.396492][ T1032] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.396493][ T1032] __might_resched.cold (kernel/sched/core.c:9234) [ 46.396497][ T1032] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.396502][ T1032] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.396506][ T1032] __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)) [ 46.396507][ T1032] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.396514][ T1032] ? 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) [ 46.396516][ T1032] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.396520][ T1032] put_chars (drivers/char/virtio_console.c:1176) [ 46.396522][ T1032] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.396528][ T1032] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.396535][ T1032] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.396539][ T1032] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.396543][ T1032] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.396547][ T1032] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.396549][ T1032] ? 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)) [ 46.396552][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.396554][ T1032] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.396558][ T1032] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.396562][ T1032] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.396564][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.396569][ T1032] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.396572][ T1032] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.396574][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.396576][ T1032] ? 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) [ 46.396579][ T1032] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.396581][ T1032] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.396583][ T1032] vprintk_emit (kernel/printk/printk.c:2479) [ 46.396586][ T1032] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.396589][ T1032] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 46.396594][ T1032] _printk (kernel/printk/printk.c:2504) [ 46.396597][ T1032] ? snapshot_read.cold (user.c:?) [ 46.396599][ T1032] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.396601][ T1032] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.396604][ T1032] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.396606][ T1032] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.396610][ T1032] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.396613][ T1032] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.396615][ T1032] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.396617][ T1032] ? netdev_notice (net/core/dev.c:13194) [ 46.396620][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.396623][ T1032] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.396626][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.396629][ T1032] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.396631][ T1032] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 46.396633][ T1032] ? register_netdev (net/core/dev.c:11618) [ 46.396641][ T1032] ? 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)) [ 46.396646][ T1032] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 46.396649][ T1032] ? __kernel_text_address (kernel/extable.c:79) [ 46.396651][ T1032] ? write_profile (profile.c:?) [ 46.396655][ T1032] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 46.396661][ T1032] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.396664][ T1032] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.396666][ T1032] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.396668][ T1032] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 46.396669][ T1032] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 46.396673][ T1032] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.396674][ T1032] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.396676][ T1032] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.396678][ T1032] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.396680][ T1032] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.396681][ T1032] ? kasan_save_track (mm/kasan/common.c:78) [ 46.396683][ T1032] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.396685][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.396687][ T1032] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 46.396690][ T1032] ? ___sys_sendmsg (net/socket.c:2758) [ 46.396693][ T1032] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.396695][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.396698][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.396699][ T1032] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.396701][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.396702][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.396704][ T1032] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.396706][ T1032] ? __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) [ 46.396707][ T1032] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.396709][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.396712][ T1032] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.396713][ T1032] ? nla_get_range_signed (lib/nlattr.c:270) [ 46.396718][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.396721][ T1032] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.396726][ T1032] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.396731][ T1032] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.396733][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.396737][ T1032] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.396739][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.396741][ T1032] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.396742][ T1032] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.396746][ T1032] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.396748][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.396751][ T1032] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.396752][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.396757][ T1032] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.396758][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.396762][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.396765][ T1032] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.396767][ T1032] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.396774][ T1032] ? 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)) [ 46.396776][ T1032] ? 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)) [ 46.396780][ T1032] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.396784][ T1032] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.396786][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.396790][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.396794][ T1032] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.396798][ T1032] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.396800][ T1032] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.396805][ T1032] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.396808][ T1032] ____sys_sendmsg (net/socket.c:2713) [ 46.396810][ T1032] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.396812][ T1032] ? sock_write_iter (net/socket.c:1269) [ 46.396813][ T1032] ? move_addr_to_kernel (net/socket.c:258) [ 46.396821][ T1032] ___sys_sendmsg (net/socket.c:2767) [ 46.396823][ T1032] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.396839][ T1032] __sys_sendmsg (net/socket.c:2799) [ 46.396841][ T1032] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.396847][ T1032] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 46.396850][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.396853][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.396856][ T1032] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.396859][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.396861][ T1032] RIP: 0033:0x7f57b13d554e [ 46.396864][ T1032] 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 [ 46.396866][ T1032] RSP: 002b:00007ffe4f6c66f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.396869][ T1032] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f57b13d554e [ 46.396870][ T1032] RDX: 0000000000000000 RSI: 00007ffe4f6c67a0 RDI: 0000000000000005 [ 46.396871][ T1032] RBP: 00007ffe4f6c6700 R08: 0000000000000000 R09: 0000000000000000 [ 46.396872][ T1032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9142ac [ 46.396873][ T1032] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4f6c6e60 | [ 47.412737][ T1084] softirqs last disabled at (17674): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 47.412739][ T1084] Preemption disabled at: | [ 47.412740][ T1084] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.412748][ T1084] Tainted: [W]=WARN [ 47.412749][ T1084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.412751][ T1084] Call Trace: [ 47.412752][ T1084] [ 47.412754][ T1084] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.412760][ T1084] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.412761][ T1084] __might_resched.cold (kernel/sched/core.c:9234) [ 47.412766][ T1084] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.412770][ T1084] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.412774][ T1084] __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)) [ 47.412776][ T1084] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.412783][ T1084] ? 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) [ 47.412785][ T1084] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.412789][ T1084] put_chars (drivers/char/virtio_console.c:1176) [ 47.412791][ T1084] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.412793][ T1084] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.412796][ T1084] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.412799][ T1084] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.412803][ T1084] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.412807][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.412813][ T1084] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.412816][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.412821][ T1084] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.412825][ T1084] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.412827][ T1084] ? 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)) [ 47.412830][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.412831][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.412835][ T1084] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.412840][ T1084] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.412841][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.412847][ T1084] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.412850][ T1084] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.412851][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.412853][ T1084] ? 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) [ 47.412857][ T1084] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.412859][ T1084] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.412861][ T1084] vprintk_emit (kernel/printk/printk.c:2479) [ 47.412864][ T1084] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.412866][ T1084] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.412869][ T1084] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 47.412872][ T1084] _printk (kernel/printk/printk.c:2504) [ 47.412876][ T1084] ? snapshot_read.cold (user.c:?) [ 47.412879][ T1084] ? br_multicast_flood (??:?) [ 47.412882][ T1084] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 47.412883][ T1084] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 47.412885][ T1084] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 47.412889][ T1084] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 47.412893][ T1084] br_init_port (net/bridge/br_stp_if.c:39) [ 47.412895][ T1084] new_nbp (net/bridge/br_if.c:449) [ 47.412899][ T1084] br_add_if (net/bridge/br_if.c:592) [ 47.412901][ T1084] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 47.412909][ T1084] do_set_master (net/core/rtnetlink.c:3071) [ 47.412912][ T1084] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 47.412916][ T1084] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 47.412917][ T1084] ? __dev_get_by_name (net/core/dev.c:905) [ 47.412919][ T1084] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 47.412929][ T1084] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 47.412935][ T1084] rtnl_newlink (net/core/rtnetlink.c:4215) [ 47.412941][ T1084] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.412943][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.412949][ T1084] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.412953][ T1084] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.412955][ T1084] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 47.412958][ T1084] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.412960][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.412964][ T1084] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.412966][ T1084] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.412972][ T1084] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 47.412975][ T1084] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.412978][ T1084] ? netlink_ack (./include/linux/skbuff.h:2718) [ 47.412984][ T1084] ? 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)) [ 47.412986][ T1084] ? 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)) [ 47.412991][ T1084] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 47.412995][ T1084] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 47.413000][ T1084] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 47.413004][ T1084] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 47.413008][ T1084] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.413010][ T1084] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 47.413015][ T1084] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 47.413019][ T1084] ____sys_sendmsg (net/socket.c:2713) [ 47.413021][ T1084] ? copy_msghdr_from_user (net/socket.c:2650) [ 47.413023][ T1084] ? sock_write_iter (net/socket.c:1269) [ 47.413025][ T1084] ? move_addr_to_kernel (net/socket.c:258) [ 47.413029][ T1084] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 47.413032][ T1084] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.413035][ T1084] ___sys_sendmsg (net/socket.c:2767) [ 47.413037][ T1084] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 47.413040][ T1084] ? copy_msghdr_from_user (net/socket.c:2619) [ 47.413042][ T1084] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 47.413057][ T1084] __sys_sendmsg (net/socket.c:2799) [ 47.413060][ T1084] ? __sys_sendmsg_sock (net/socket.c:2780) [ 47.413065][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.413067][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.413070][ T1084] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 47.413073][ T1084] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 47.413076][ T1084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 47.413078][ T1084] RIP: 0033:0x7f6f64ed354e [ 47.413082][ T1084] 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 [ 47.413084][ T1084] RSP: 002b:00007ffc93e88ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 47.413086][ T1084] RAX: ffffffffffffffda RBX: 00007ffc93e894a8 RCX: 00007f6f64ed354e [ 47.413088][ T1084] RDX: 0000000000000000 RSI: 00007ffc93e88d90 RDI: 0000000000000005 [ 47.413088][ T1084] RBP: 00007ffc93e88cf0 R08: 0000000000000000 R09: 0000000000000000 [ 47.413089][ T1084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9142ad [ 47.413090][ T1084] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc93e89460 | [ 53.092689][ T47] softirqs last disabled at (9528): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 53.092692][ T47] Preemption disabled at: | [ 53.092693][ T47] 0x0 | [ 53.092703][ T47] Tainted: [W]=WARN [ 53.092704][ T47] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.092706][ T47] Workqueue: events_unbound linkwatch_event [ 53.092709][ T47] Call Trace: [ 53.092711][ T47] [ 53.092712][ T47] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.092718][ T47] __might_resched.cold (kernel/sched/core.c:9234) [ 53.092723][ T47] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.092727][ T47] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.092731][ T47] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 53.092733][ T47] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.092739][ T47] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 53.092742][ T47] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.092746][ T47] put_chars (drivers/char/virtio_console.c:1176) [ 53.092748][ T47] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.092751][ T47] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.092754][ T47] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.092759][ T47] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.092763][ T47] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.092765][ T47] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.092769][ T47] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.092773][ T47] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.092775][ T47] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.092779][ T47] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.092783][ T47] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.092785][ T47] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 53.092789][ T47] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.092790][ T47] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.092795][ T47] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.092799][ T47] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.092801][ T47] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.092806][ T47] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.092809][ T47] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.092811][ T47] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.092813][ T47] ? 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) [ 53.092817][ T47] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.092818][ T47] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.092821][ T47] vprintk_emit (kernel/printk/printk.c:2479) [ 53.092824][ T47] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.092826][ T47] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.092828][ T47] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.092830][ T47] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.092834][ T47] _printk (kernel/printk/printk.c:2504) [ 53.092837][ T47] ? snapshot_read.cold (user.c:?) [ 53.092840][ T47] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 53.092846][ T47] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 53.092851][ T47] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 53.092854][ T47] br_port_carrier_check (net/bridge/br_if.c:95) [ 53.092858][ T47] br_device_event (net/bridge/br.c:101) [ 53.092862][ T47] ? packet_sendmsg_spkt (af_packet.c:?) [ 53.092868][ T47] notifier_call_chain (kernel/notifier.c:85) [ 53.092874][ T47] netif_state_change (net/core/dev.c:1625) [ 53.092877][ T47] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 53.092881][ T47] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 53.092885][ T47] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 53.092887][ T47] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 53.092889][ T47] __linkwatch_run_queue (net/core/link_watch.c:240) [ 53.092892][ T47] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 53.092894][ T47] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.092899][ T47] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 53.092901][ T47] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 53.092904][ T47] process_one_work (kernel/workqueue.c:3387) [ 53.092911][ T47] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 53.092914][ T47] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.092922][ T47] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 53.092926][ T47] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.092928][ T47] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 53.092931][ T47] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.092934][ T47] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.092936][ T47] kthread (kernel/kthread.c:436) [ 53.092938][ T47] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.092942][ T47] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.092944][ T47] ret_from_fork (arch/x86/kernel/process.c:158) [ 53.092949][ T47] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 53.092952][ T47] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 53.092956][ T47] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.092958][ T47] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 54.155132][ T216] softirqs last disabled at (277866): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 54.155135][ T216] Preemption disabled at: | [ 54.155135][ T216] 0x0 | [ 54.155145][ T216] Tainted: [W]=WARN [ 54.155146][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.155148][ T216] Workqueue: events_unbound linkwatch_event [ 54.155152][ T216] Call Trace: [ 54.155153][ T216] [ 54.155155][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 54.155161][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 54.155166][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 54.155170][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 54.155174][ T216] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 54.155176][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.155183][ T216] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 54.155186][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.155190][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 54.155192][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 54.155195][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 54.155198][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 54.155203][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 54.155207][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.155208][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.155213][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 54.155217][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.155219][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.155223][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 54.155227][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 54.155229][ T216] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 54.155233][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.155234][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.155238][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 54.155243][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 54.155245][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.155250][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 54.155253][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 54.155255][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.155257][ T216] ? 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) [ 54.155260][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 54.155262][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 54.155265][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 54.155268][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 54.155269][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 54.155272][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 54.155274][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 54.155278][ T216] _printk (kernel/printk/printk.c:2504) [ 54.155281][ T216] ? snapshot_read.cold (user.c:?) [ 54.155284][ T216] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 54.155291][ T216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 54.155295][ T216] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 54.155299][ T216] br_port_carrier_check (net/bridge/br_if.c:95) [ 54.155303][ T216] br_device_event (net/bridge/br.c:101) [ 54.155306][ T216] ? packet_sendmsg_spkt (af_packet.c:?) [ 54.155312][ T216] notifier_call_chain (kernel/notifier.c:85) [ 54.155318][ T216] netif_state_change (net/core/dev.c:1625) [ 54.155321][ T216] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 54.155326][ T216] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 54.155329][ T216] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 54.155332][ T216] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 54.155334][ T216] __linkwatch_run_queue (net/core/link_watch.c:240) [ 54.155337][ T216] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 54.155339][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 54.155344][ T216] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 54.155346][ T216] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 54.155349][ T216] process_one_work (kernel/workqueue.c:3387) [ 54.155356][ T216] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 54.155359][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 54.155367][ T216] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 54.155371][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 54.155373][ T216] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 54.155376][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 54.155379][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 54.155381][ T216] kthread (kernel/kthread.c:436) [ 54.155383][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 54.155386][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) [ 54.155389][ T216] ret_from_fork (arch/x86/kernel/process.c:158) [ 54.155393][ T216] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 54.155396][ T216] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 54.155400][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) [ 54.155403][ T216] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 60.392808][ T12] softirqs last disabled at (383928): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 60.392810][ T12] Preemption disabled at: | [ 60.392811][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 60.392819][ T12] Tainted: [W]=WARN [ 60.392820][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.392822][ T12] Workqueue: netns cleanup_net [ 60.392825][ T12] Call Trace: [ 60.392827][ T12] [ 60.392829][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 60.392835][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 60.392836][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 60.392841][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.392845][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 60.392849][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 60.392851][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.392858][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 60.392861][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.392865][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 60.392867][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 60.392869][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.392873][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.392875][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.392881][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 60.392885][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.392890][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 60.392893][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.392898][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 60.392902][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 60.392904][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 60.392907][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.392909][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.392913][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 60.392917][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 60.392919][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.392925][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 60.392928][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 60.392929][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.392931][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 60.392935][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 60.392937][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 60.392940][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 60.392943][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 60.392944][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 60.392946][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 60.392948][ T12] ? kthread (kernel/kthread.c:436) [ 60.392950][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 60.392953][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 60.392958][ T12] _printk (kernel/printk/printk.c:2504) [ 60.392962][ T12] ? snapshot_read.cold (user.c:?) [ 60.392966][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 60.392973][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 60.392977][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 60.392980][ T12] ? netdev_notice (net/core/dev.c:13194) [ 60.392985][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.392986][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 60.392989][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 60.392991][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 60.392993][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 60.392997][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 60.393001][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 60.393008][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 60.393012][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 60.393015][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 60.393019][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 60.393023][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 60.393025][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.393028][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 60.393033][ T12] cleanup_net (net/core/net_namespace.c:706) [ 60.393036][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 60.393040][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.393042][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.393046][ T12] process_one_work (kernel/workqueue.c:3387) [ 60.393053][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 60.393056][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.393064][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 60.393072][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 60.393074][ T12] kthread (kernel/kthread.c:436) [ 60.393076][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 60.393079][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 60.393082][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 60.393085][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 60.393089][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 60.393093][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 60.393095][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 61.564125][ T1268] softirqs last disabled at (13432): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 61.564127][ T1268] Preemption disabled at: | [ 61.564128][ T1268] vprintk_emit (kernel/printk/printk.c:2471) | [ 61.564136][ T1268] Tainted: [W]=WARN [ 61.564137][ T1268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.564139][ T1268] Call Trace: [ 61.564140][ T1268] [ 61.564142][ T1268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.564148][ T1268] ? vprintk_emit (kernel/printk/printk.c:2471) [ 61.564150][ T1268] __might_resched.cold (kernel/sched/core.c:9234) [ 61.564154][ T1268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.564158][ T1268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 61.564162][ T1268] __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)) [ 61.564164][ T1268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.564171][ T1268] ? 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) [ 61.564173][ T1268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.564177][ T1268] put_chars (drivers/char/virtio_console.c:1176) [ 61.564180][ T1268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.564186][ T1268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.564193][ T1268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.564196][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.564200][ T1268] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.564204][ T1268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.564206][ T1268] ? 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)) [ 61.564209][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.564212][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.564216][ T1268] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.564220][ T1268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.564222][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.564227][ T1268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.564230][ T1268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.564232][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.564233][ T1268] ? 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) [ 61.564237][ T1268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.564239][ T1268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.564241][ T1268] vprintk_emit (kernel/printk/printk.c:2479) [ 61.564244][ T1268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.564247][ T1268] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 61.564252][ T1268] _printk (kernel/printk/printk.c:2504) [ 61.564256][ T1268] ? snapshot_read.cold (user.c:?) [ 61.564257][ T1268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 61.564260][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 61.564263][ T1268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 61.564265][ T1268] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 61.564268][ T1268] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 61.564271][ T1268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.564273][ T1268] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 61.564276][ T1268] ? netdev_notice (net/core/dev.c:13194) [ 61.564279][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.564282][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.564284][ T1268] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 61.564288][ T1268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.564290][ T1268] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 61.564292][ T1268] ? register_netdev (net/core/dev.c:11618) [ 61.564293][ T1268] ? 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)) [ 61.564298][ T1268] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 61.564301][ T1268] ? __kernel_text_address (kernel/extable.c:79) [ 61.564303][ T1268] ? write_profile (profile.c:?) [ 61.564307][ T1268] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 61.564313][ T1268] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.564316][ T1268] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 61.564318][ T1268] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 61.564320][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 61.564321][ T1268] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 61.564325][ T1268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 61.564327][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 61.564328][ T1268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 61.564331][ T1268] ? kasan_save_stack (mm/kasan/common.c:58) [ 61.564333][ T1268] ? kasan_save_stack (mm/kasan/common.c:57) [ 61.564334][ T1268] ? kasan_save_track (mm/kasan/common.c:78) [ 61.564335][ T1268] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 61.564337][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.564339][ T1268] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 61.564342][ T1268] ? ___sys_sendmsg (net/socket.c:2758) [ 61.564346][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.564348][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.564351][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.564352][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.564354][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.564355][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.564357][ T1268] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 61.564359][ T1268] ? __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) [ 61.564360][ T1268] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 61.564362][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.564365][ T1268] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 61.564366][ T1268] ? nla_get_range_signed (lib/nlattr.c:270) [ 61.564371][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.564373][ T1268] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 61.564378][ T1268] rtnl_newlink (net/core/rtnetlink.c:4215) [ 61.564383][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.564385][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.564389][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.564391][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.564393][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.564395][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.564398][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.564400][ T1268] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.564403][ T1268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.564405][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.564409][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.564411][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.564414][ T1268] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 61.564417][ T1268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.564420][ T1268] ? netlink_ack (./include/linux/skbuff.h:2718) [ 61.564426][ T1268] ? 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)) [ 61.564428][ T1268] ? 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)) [ 61.564433][ T1268] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 61.564437][ T1268] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 61.564439][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.564443][ T1268] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 61.564447][ T1268] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 61.564451][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.564453][ T1268] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 61.564458][ T1268] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 61.564461][ T1268] ____sys_sendmsg (net/socket.c:2713) [ 61.564463][ T1268] ? copy_msghdr_from_user (net/socket.c:2650) [ 61.564465][ T1268] ? sock_write_iter (net/socket.c:1269) [ 61.564467][ T1268] ? move_addr_to_kernel (net/socket.c:258) [ 61.564474][ T1268] ___sys_sendmsg (net/socket.c:2767) [ 61.564477][ T1268] ? copy_msghdr_from_user (net/socket.c:2619) [ 61.564492][ T1268] __sys_sendmsg (net/socket.c:2799) [ 61.564494][ T1268] ? __sys_sendmsg_sock (net/socket.c:2780) [ 61.564500][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.564503][ T1268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.564506][ T1268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 61.564509][ T1268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.564511][ T1268] RIP: 0033:0x7f050386354e [ 61.564515][ T1268] 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 [ 61.564517][ T1268] RSP: 002b:00007ffc0804ebf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 61.564519][ T1268] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f050386354e [ 61.564520][ T1268] RDX: 0000000000000000 RSI: 00007ffc0804eca0 RDI: 0000000000000005 [ 61.564521][ T1268] RBP: 00007ffc0804ec00 R08: 0000000000000000 R09: 0000000000000000 [ 61.564522][ T1268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9142bb [ 61.564523][ T1268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0804f360 | [ 62.569260][ T1319] softirqs last disabled at (17700): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 62.569262][ T1319] Preemption disabled at: | [ 62.569263][ T1319] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.569271][ T1319] Tainted: [W]=WARN [ 62.569273][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.569274][ T1319] Call Trace: [ 62.569276][ T1319] [ 62.569277][ T1319] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.569283][ T1319] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.569285][ T1319] __might_resched.cold (kernel/sched/core.c:9234) [ 62.569289][ T1319] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.569293][ T1319] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 62.569298][ T1319] __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)) [ 62.569299][ T1319] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.569306][ T1319] ? 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) [ 62.569309][ T1319] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.569312][ T1319] put_chars (drivers/char/virtio_console.c:1176) [ 62.569315][ T1319] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.569316][ T1319] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.569319][ T1319] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.569322][ T1319] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.569327][ T1319] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.569330][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.569335][ T1319] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.569338][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.569343][ T1319] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.569347][ T1319] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.569349][ T1319] ? 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)) [ 62.569352][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.569353][ T1319] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.569357][ T1319] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.569361][ T1319] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.569363][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.569368][ T1319] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.569371][ T1319] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.569372][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.569374][ T1319] ? 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) [ 62.569378][ T1319] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.569379][ T1319] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.569382][ T1319] vprintk_emit (kernel/printk/printk.c:2479) [ 62.569385][ T1319] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.569387][ T1319] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.569390][ T1319] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 62.569393][ T1319] _printk (kernel/printk/printk.c:2504) [ 62.569397][ T1319] ? snapshot_read.cold (user.c:?) [ 62.569400][ T1319] ? br_multicast_flood (??:?) [ 62.569403][ T1319] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 62.569404][ T1319] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 62.569405][ T1319] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.569409][ T1319] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 62.569414][ T1319] br_init_port (net/bridge/br_stp_if.c:39) [ 62.569416][ T1319] new_nbp (net/bridge/br_if.c:449) [ 62.569420][ T1319] br_add_if (net/bridge/br_if.c:592) [ 62.569422][ T1319] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 62.569429][ T1319] do_set_master (net/core/rtnetlink.c:3071) [ 62.569433][ T1319] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 62.569436][ T1319] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 62.569438][ T1319] ? __dev_get_by_name (net/core/dev.c:905) [ 62.569440][ T1319] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 62.569449][ T1319] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 62.569455][ T1319] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.569461][ T1319] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.569463][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.569469][ T1319] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.569473][ T1319] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.569475][ T1319] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.569478][ T1319] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.569479][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.569484][ T1319] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.569485][ T1319] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.569489][ T1319] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.569492][ T1319] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.569495][ T1319] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.569501][ T1319] ? 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)) [ 62.569503][ T1319] ? 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)) [ 62.569508][ T1319] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.569512][ T1319] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.569517][ T1319] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.569521][ T1319] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.569525][ T1319] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.569526][ T1319] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.569532][ T1319] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.569536][ T1319] ____sys_sendmsg (net/socket.c:2713) [ 62.569538][ T1319] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.569540][ T1319] ? sock_write_iter (net/socket.c:1269) [ 62.569541][ T1319] ? move_addr_to_kernel (net/socket.c:258) [ 62.569546][ T1319] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 62.569548][ T1319] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.569552][ T1319] ___sys_sendmsg (net/socket.c:2767) [ 62.569554][ T1319] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 62.569556][ T1319] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.569559][ T1319] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 62.569573][ T1319] __sys_sendmsg (net/socket.c:2799) [ 62.569576][ T1319] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.569581][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.569583][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.569586][ T1319] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.569589][ T1319] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.569592][ T1319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.569594][ T1319] RIP: 0033:0x7fbc1671d54e [ 62.569598][ T1319] 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 [ 62.569600][ T1319] RSP: 002b:00007ffeb09cb1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.569603][ T1319] RAX: ffffffffffffffda RBX: 00007ffeb09cb998 RCX: 00007fbc1671d54e [ 62.569604][ T1319] RDX: 0000000000000000 RSI: 00007ffeb09cb280 RDI: 0000000000000005 [ 62.569605][ T1319] RBP: 00007ffeb09cb1e0 R08: 0000000000000000 R09: 0000000000000000 [ 62.569606][ T1319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9142bc [ 62.569606][ T1319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb09cb950 | [ 67.968205][ T216] softirqs last disabled at (312788): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 67.968207][ T216] Preemption disabled at: | [ 67.968208][ T216] 0x0 | [ 67.968219][ T216] Tainted: [W]=WARN [ 67.968220][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.968222][ T216] Workqueue: events_unbound linkwatch_event [ 67.968225][ T216] Call Trace: [ 67.968227][ T216] [ 67.968229][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.968235][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 67.968240][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.968244][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 67.968248][ T216] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 67.968250][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.968257][ T216] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 67.968259][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.968263][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 67.968265][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.968269][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.968272][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 67.968276][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.968280][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.968282][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.968287][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.968290][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.968293][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.968297][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.968301][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.968303][ T216] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 67.968306][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.968308][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.968312][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.968316][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.968318][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.968324][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.968327][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.968328][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.968330][ T216] ? 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) [ 67.968334][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.968336][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.968338][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 67.968342][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.968343][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.968345][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 67.968347][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.968351][ T216] _printk (kernel/printk/printk.c:2504) [ 67.968355][ T216] ? snapshot_read.cold (user.c:?) [ 67.968358][ T216] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 67.968364][ T216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 67.968369][ T216] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 67.968372][ T216] br_port_carrier_check (net/bridge/br_if.c:95) [ 67.968376][ T216] br_device_event (net/bridge/br.c:101) [ 67.968380][ T216] ? packet_sendmsg_spkt (af_packet.c:?) [ 67.968386][ T216] notifier_call_chain (kernel/notifier.c:85) [ 67.968392][ T216] netif_state_change (net/core/dev.c:1625) [ 67.968395][ T216] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 67.968399][ T216] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.968403][ T216] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 67.968406][ T216] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 67.968408][ T216] __linkwatch_run_queue (net/core/link_watch.c:240) [ 67.968411][ T216] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.968413][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.968418][ T216] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 67.968420][ T216] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 67.968423][ T216] process_one_work (kernel/workqueue.c:3387) [ 67.968430][ T216] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 67.968433][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.968441][ T216] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 67.968445][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 67.968447][ T216] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 67.968450][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 67.968453][ T216] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 67.968455][ T216] kthread (kernel/kthread.c:436) [ 67.968457][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 67.968460][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) [ 67.968463][ T216] ret_from_fork (arch/x86/kernel/process.c:158) [ 67.968467][ T216] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 67.968471][ T216] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 67.968474][ T216] ? kthread_affine_preferred (kernel/kthread.c:857) [ 67.968477][ T216] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 77.258066][ C0] softirqs last disabled at (3153301): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 77.258067][ C0] Preemption disabled at: | [ 77.258068][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 77.258078][ C0] Tainted: [W]=WARN [ 77.258079][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.258080][ C0] Call Trace: [ 77.258082][ C0] [ 77.258084][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.258089][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 77.258091][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 77.258094][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.258097][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 77.258100][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258103][ C0] __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)) [ 77.258106][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.258108][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.258113][ C0] ? 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) [ 77.258115][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.258117][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 77.258119][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.258120][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 77.258123][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.258128][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.258130][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258131][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.258133][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.258136][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.258138][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258139][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258140][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.258142][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 77.258143][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.258146][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.258148][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.258150][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.258152][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.258153][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258154][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.258156][ C0] ? 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) [ 77.258158][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.258160][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.258161][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 77.258163][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.258164][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258165][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.258167][ C0] ? x86_64_start_kernel (./arch/x86/include/asm/page_64.h:103 ./arch/x86/include/asm/page_64.h:114 arch/x86/kernel/head64.c:255) [ 77.258171][ C0] _printk (kernel/printk/printk.c:2504) [ 77.258174][ C0] ? snapshot_read.cold (user.c:?) [ 77.258176][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 77.258179][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 77.258181][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 77.258182][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 77.258184][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 77.258187][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 77.258189][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 77.258191][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 77.258193][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.258195][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.258198][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258199][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.258201][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.258202][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 77.258204][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.258205][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.258206][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.258208][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 77.258211][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 77.258213][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 77.258216][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.258218][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.258220][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258221][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 77.258223][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.258225][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 77.258227][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.258229][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.258232][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 77.258234][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 77.258235][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 77.258238][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258239][ C0] handle_softirqs (kernel/softirq.c:645) [ 77.258241][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.258243][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 77.258245][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 77.258246][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 77.258248][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 77.258250][ C0] [ 77.258251][ C0] [ 77.258251][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 77.258253][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 77.258255][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 77.258258][ C0] 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 [ 77.258259][ C0] RSP: 0018:ffffffffb3807cf8 EFLAGS: 00000296 [ 77.258262][ C0] RAX: 0000000000301d93 RBX: ffffffffb3830600 RCX: ffffffffaff06247 [ 77.258264][ C0] RDX: ffffffffb3830600 RSI: ffffffffb3111027 RDI: ffffffffb2a949e0 [ 77.258264][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.258265][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6700fa2 [ 77.258266][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 77.258267][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.258271][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 77.258272][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 77.258274][ C0] default_idle_call (kernel/sched/idle.c:122) [ 77.258275][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.258277][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 77.258278][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 77.258281][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 77.258282][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.258283][ C0] do_idle (kernel/sched/idle.c:355) [ 77.258285][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 77.258287][ C0] rest_init (init/main.c:727) [ 77.258288][ C0] ? __cpuidle_text_end (??:?) [ 77.258291][ C0] ? rest_init (init/main.c:727) [ 77.258292][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 77.258296][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 77.258297][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 77.258299][ C0] start_kernel (init/main.c:1185) [ 77.258302][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 77.258304][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 77.258305][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 77.319592][ C0] | [ 77.319664][ C0] | [ 77.319664][ C0] stack backtrace: | [ 77.319902][ C0] Tainted: [W]=WARN [ 77.319903][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.319904][ C0] Call Trace: [ 77.319905][ C0] [ 77.319906][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.319911][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 77.319914][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 77.319916][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 77.319918][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 77.319920][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 77.319922][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.319924][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.319926][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.319928][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.319930][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.319931][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 77.319932][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.319934][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.319935][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.319936][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 77.319938][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 77.319940][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 77.319944][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.319945][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.319947][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.319949][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 77.319950][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.319952][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 77.319954][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.319956][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.319959][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 77.319961][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 77.319963][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 77.319966][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.319967][ C0] handle_softirqs (kernel/softirq.c:645) [ 77.319969][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.319970][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 77.319972][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 77.319974][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 77.319975][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 77.319977][ C0] [ 77.319977][ C0] [ 77.319978][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 77.319979][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 77.319981][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 77.319983][ C0] 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 [ 77.319984][ C0] RSP: 0018:ffffffffb3807cf8 EFLAGS: 00000296 [ 77.319987][ C0] RAX: 0000000000301d93 RBX: ffffffffb3830600 RCX: ffffffffaff06247 [ 77.319988][ C0] RDX: ffffffffb3830600 RSI: ffffffffb3111027 RDI: ffffffffb2a949e0 [ 77.319989][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.319989][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6700fa2 [ 77.319990][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 77.319992][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.319994][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 77.319995][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 77.319996][ C0] default_idle_call (kernel/sched/idle.c:122) [ 77.319998][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.319999][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 77.320001][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 77.320004][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 77.320005][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.320006][ C0] do_idle (kernel/sched/idle.c:355) [ 77.320008][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 77.320009][ C0] rest_init (init/main.c:727) [ 77.320011][ C0] ? __cpuidle_text_end (??:?) [ 77.320013][ C0] ? rest_init (init/main.c:727) [ 77.320015][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 77.320018][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 77.320020][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 77.320022][ C0] start_kernel (init/main.c:1185) [ 77.320024][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 77.320025][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 77.320027][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 98.066223][ T12] softirqs last disabled at (507140): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 98.066225][ T12] Preemption disabled at: | [ 98.066226][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 98.066236][ T12] Tainted: [W]=WARN [ 98.066237][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 98.066239][ T12] Workqueue: netns cleanup_net [ 98.066245][ T12] Call Trace: [ 98.066246][ T12] [ 98.066248][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 98.066253][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 98.066255][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 98.066258][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 98.066260][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 98.066263][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066265][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 98.066268][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.066271][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.066275][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 98.066276][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.066279][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 98.066280][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 98.066282][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 98.066284][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 98.066289][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 98.066290][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 98.066293][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.066294][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066295][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066297][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 98.066300][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 98.066302][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066303][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066304][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066305][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.066307][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 98.066309][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 98.066311][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 98.066314][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 98.066316][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.066317][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 98.066319][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066320][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 98.066321][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 98.066323][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 98.066324][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 98.066326][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 98.066327][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 98.066329][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 98.066330][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 98.066331][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 98.066334][ T12] ? kthread (kernel/kthread.c:436) [ 98.066336][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 98.066339][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 98.066341][ T12] _printk (kernel/printk/printk.c:2504) [ 98.066344][ T12] ? snapshot_read.cold (user.c:?) [ 98.066347][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 98.066350][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 98.066352][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 98.066354][ T12] ? netdev_notice (net/core/dev.c:13194) [ 98.066356][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066357][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 98.066359][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 98.066361][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 98.066363][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 98.066364][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 98.066366][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 98.066369][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 98.066372][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 98.066374][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 98.066376][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 98.066379][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 98.066380][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 98.066383][ T12] cleanup_net (net/core/net_namespace.c:706) [ 98.066385][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 98.066387][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.066389][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.066390][ T12] process_one_work (kernel/workqueue.c:3387) [ 98.066393][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 98.066395][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 98.066397][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.066399][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 98.066402][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 98.066404][ T12] kthread (kernel/kthread.c:436) [ 98.066405][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 98.066407][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 98.066409][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 98.066410][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 98.066412][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 98.066415][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: 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 netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_add_if:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars