====================================== | [ 10.034429][ T187] softirqs last disabled at (46727): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.034432][ T187] Preemption disabled at: | [ 10.034432][ T187] 0x0 | [ 10.034443][ T187] Tainted: [W]=WARN [ 10.034444][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.034446][ T187] Call Trace: [ 10.034448][ T187] [ 10.034449][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.034456][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.034460][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.034465][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.034470][ T187] __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)) [ 10.034472][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.034478][ T187] ? 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) [ 10.034481][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.034484][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.034487][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.034488][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.034497][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.034502][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.034509][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.034511][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.034513][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.034518][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.034521][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.034523][ T187] ? 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)) [ 10.034526][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.034529][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.034533][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.034537][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.034539][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.034544][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.034547][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.034549][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.034551][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.034555][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.034557][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.034560][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.034564][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.034567][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.034571][ T187] _printk (kernel/printk/printk.c:2504) [ 10.034575][ T187] ? snapshot_read.cold (user.c:?) [ 10.034577][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.034580][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.034584][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.034587][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.034590][ T187] ? exit_notify (kernel/exit.c:780) [ 10.034592][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.034595][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.034599][ T187] do_group_exit (kernel/exit.c:1151) [ 10.034602][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.034604][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.034606][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.034609][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.034613][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.034615][ T187] RIP: 0033:0x7f08bcc1e1b8 [ 10.034617][ T187] Code: Unable to access opcode bytes at 0x7f08bcc1e18e. Code starting with the faulting instruction =========================================== [ 10.034619][ T187] RSP: 002b:00007ffc9e4080e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.034621][ T187] RAX: ffffffffffffffda RBX: 00007f08bcd4ef88 RCX: 00007f08bcc1e1b8 [ 10.034622][ T187] RDX: 00007f08bc968fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.034623][ T187] RBP: 00007ffc9e408140 R08: 0000000000000000 R09: 0000000000008010 [ 10.034624][ T187] R10: 00007ffc9e407f00 R11: 0000000000000246 R12: 0000000000000001 [ 10.034625][ T187] R13: 0000000000000000 R14: 00007f08bcd4d680 R15: 00007f08bcd4efa0 | [ 12.065527][ T265] softirqs last disabled at (24420): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.065530][ T265] Preemption disabled at: | [ 12.065531][ T265] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.065543][ T265] Tainted: [W]=WARN [ 12.065545][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.065548][ T265] Call Trace: [ 12.065550][ T265] [ 12.065552][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.065560][ T265] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.065563][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 12.065570][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.065576][ T265] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.065583][ T265] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.065587][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.065596][ T265] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.065600][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.065605][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 12.065610][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.065618][ T265] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.065624][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.065628][ T265] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.065631][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.065634][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.065641][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.065644][ T265] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.065650][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.065655][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.065662][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.065669][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.065671][ T265] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.065677][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.065680][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.065687][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.065695][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.065697][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.065707][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.065712][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.065715][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.065718][ T265] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.065725][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.065727][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.065733][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 12.065740][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.065744][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.065746][ T265] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.065752][ T265] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.065759][ T265] _printk (kernel/printk/printk.c:2504) [ 12.065763][ T265] ? snapshot_read.cold (user.c:?) [ 12.065770][ T265] ? br_multicast_flood (??:?) bridge [ 12.065788][ T265] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.065791][ T265] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.065793][ T265] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.065801][ T265] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.065819][ T265] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.065834][ T265] new_nbp (net/bridge/br_if.c:449) bridge [ 12.065850][ T265] br_add_if (net/bridge/br_if.c:592) bridge [ 12.065863][ T265] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.065869][ T265] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.065878][ T265] ? __kernel_text_address (kernel/extable.c:79) [ 12.065885][ T265] do_set_master (net/core/rtnetlink.c:3071) [ 12.065893][ T265] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.065899][ T265] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.065903][ T265] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.065906][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.065909][ T265] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.065914][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.065918][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.065921][ T265] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.065926][ T265] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.065930][ T265] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.065932][ T265] ? kasan_save_track (mm/kasan/common.c:78) [ 12.065937][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.065940][ T265] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.065944][ T265] ? ___sys_sendmsg (net/socket.c:2757) [ 12.065951][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.065954][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.065959][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.065963][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.065965][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.065968][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.065972][ T265] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.065978][ T265] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.065980][ T265] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.065984][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.065990][ T265] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.065993][ T265] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.066002][ T265] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.066012][ T265] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.066021][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.066025][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.066033][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.066036][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.066039][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.066043][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.066049][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.066053][ T265] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.066059][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.066061][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.066069][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.066072][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.066078][ T265] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.066081][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.066086][ T265] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.066098][ T265] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.066100][ T265] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.066108][ T265] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.066115][ T265] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.066119][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.066127][ T265] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.066134][ T265] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.066141][ T265] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.066149][ T265] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.066153][ T265] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.066157][ T265] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.066159][ T265] ? move_addr_to_kernel (net/socket.c:258) [ 12.066174][ T265] ___sys_sendmsg (net/socket.c:2767) [ 12.066178][ T265] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.066209][ T265] __sys_sendmsg (net/socket.c:2799) [ 12.066214][ T265] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.066226][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066232][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.066236][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.066241][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.066244][ T265] RIP: 0033:0x7f21f449754e [ 12.066249][ T265] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.066252][ T265] RSP: 002b:00007ffc7109a1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.066256][ T265] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f21f449754e [ 12.066258][ T265] RDX: 0000000000000000 RSI: 00007ffc7109a250 RDI: 0000000000000005 [ 12.066260][ T265] RBP: 00007ffc7109a1b0 R08: 0000000000000000 R09: 0000000000000000 [ 12.066261][ T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f20 [ 12.066263][ T265] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7109a910 | [ 13.696715][ T314] softirqs last disabled at (17816): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 13.696717][ T314] Preemption disabled at: | [ 13.696718][ T314] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.696727][ T314] Tainted: [W]=WARN [ 13.696728][ T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.696731][ T314] Call Trace: [ 13.696732][ T314] [ 13.696734][ T314] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.696740][ T314] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.696742][ T314] __might_resched.cold (kernel/sched/core.c:9234) [ 13.696747][ T314] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.696751][ T314] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.696756][ T314] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.696758][ T314] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.696764][ T314] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.696767][ T314] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.696770][ T314] put_chars (drivers/char/virtio_console.c:1176) [ 13.696772][ T314] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 13.696774][ T314] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.696777][ T314] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.696782][ T314] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.696784][ T314] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.696788][ T314] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.696791][ T314] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.696792][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.696794][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.696798][ T314] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.696800][ T314] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.696803][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.696806][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.696810][ T314] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.696814][ T314] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.696816][ T314] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.696819][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.696822][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.696826][ T314] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.696830][ T314] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.696832][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.696837][ T314] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.696840][ T314] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.696842][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.696844][ T314] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.696848][ T314] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.696850][ T314] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.696853][ T314] vprintk_emit (kernel/printk/printk.c:2479) [ 13.696858][ T314] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.696860][ T314] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.696863][ T314] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.696867][ T314] _printk (kernel/printk/printk.c:2504) [ 13.696871][ T314] ? snapshot_read.cold (user.c:?) [ 13.696875][ T314] ? br_multicast_flood (??:?) bridge [ 13.696892][ T314] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.696894][ T314] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.696895][ T314] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.696899][ T314] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.696910][ T314] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.696918][ T314] new_nbp (net/bridge/br_if.c:449) bridge [ 13.696928][ T314] br_add_if (net/bridge/br_if.c:592) bridge [ 13.696935][ T314] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.696939][ T314] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.696942][ T314] ? __kernel_text_address (kernel/extable.c:79) [ 13.696946][ T314] do_set_master (net/core/rtnetlink.c:3071) [ 13.696951][ T314] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.696954][ T314] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.696958][ T314] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.696959][ T314] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.696961][ T314] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.696964][ T314] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.696967][ T314] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.696969][ T314] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.696971][ T314] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.696975][ T314] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.696976][ T314] ? kasan_save_track (mm/kasan/common.c:78) [ 13.696979][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.696981][ T314] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 13.696984][ T314] ? ___sys_sendmsg (net/socket.c:2757) [ 13.696989][ T314] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.696991][ T314] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.696993][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.696996][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.696997][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.696999][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.697001][ T314] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.697005][ T314] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 13.697008][ T314] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.697010][ T314] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.697014][ T314] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.697016][ T314] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.697021][ T314] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.697026][ T314] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.697031][ T314] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.697033][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.697038][ T314] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.697040][ T314] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.697042][ T314] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.697044][ T314] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.697047][ T314] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.697049][ T314] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.697052][ T314] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.697054][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.697058][ T314] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.697060][ T314] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.697064][ T314] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.697066][ T314] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.697069][ T314] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.697075][ T314] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 13.697076][ T314] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 13.697081][ T314] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.697085][ T314] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.697087][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.697091][ T314] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.697095][ T314] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.697099][ T314] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.697105][ T314] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 13.697107][ T314] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.697109][ T314] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 13.697111][ T314] ? move_addr_to_kernel (net/socket.c:258) [ 13.697118][ T314] ___sys_sendmsg (net/socket.c:2767) [ 13.697121][ T314] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.697138][ T314] __sys_sendmsg (net/socket.c:2799) [ 13.697141][ T314] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.697147][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.697151][ T314] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.697153][ T314] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.697156][ T314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.697158][ T314] RIP: 0033:0x7f468234754e [ 13.697162][ T314] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 13.697164][ T314] RSP: 002b:00007ffc6d9d9010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.697167][ T314] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f468234754e [ 13.697168][ T314] RDX: 0000000000000000 RSI: 00007ffc6d9d90c0 RDI: 0000000000000005 [ 13.697169][ T314] RBP: 00007ffc6d9d9020 R08: 0000000000000000 R09: 0000000000000000 [ 13.697170][ T314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f22 [ 13.697171][ T314] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6d9d9780 | [ 14.908601][ T351] softirqs last disabled at (14021): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.908605][ T351] Preemption disabled at: | [ 14.908606][ T351] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.908618][ T351] Tainted: [W]=WARN [ 14.908620][ T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.908622][ T351] Call Trace: [ 14.908624][ T351] [ 14.908627][ T351] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.908634][ T351] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.908637][ T351] __might_resched.cold (kernel/sched/core.c:9234) [ 14.908644][ T351] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.908650][ T351] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.908657][ T351] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.908661][ T351] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.908670][ T351] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.908673][ T351] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.908679][ T351] put_chars (drivers/char/virtio_console.c:1176) [ 14.908682][ T351] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.908685][ T351] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.908691][ T351] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.908696][ T351] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.908700][ T351] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.908706][ T351] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.908710][ T351] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.908713][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.908716][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.908723][ T351] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.908726][ T351] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.908732][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.908735][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.908743][ T351] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.908749][ T351] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.908751][ T351] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.908757][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.908761][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.908767][ T351] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.908775][ T351] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.908777][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.908786][ T351] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.908790][ T351] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.908793][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.908796][ T351] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.908802][ T351] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.908805][ T351] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.908810][ T351] vprintk_emit (kernel/printk/printk.c:2479) [ 14.908816][ T351] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.908820][ T351] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.908825][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.908831][ T351] _printk (kernel/printk/printk.c:2504) [ 14.908836][ T351] ? snapshot_read.cold (user.c:?) [ 14.908843][ T351] ? br_multicast_flood (??:?) bridge [ 14.908861][ T351] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.908863][ T351] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.908865][ T351] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.908873][ T351] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.908895][ T351] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.908910][ T351] new_nbp (net/bridge/br_if.c:449) bridge [ 14.908927][ T351] br_add_if (net/bridge/br_if.c:592) bridge [ 14.908940][ T351] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.908945][ T351] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.908950][ T351] ? __kernel_text_address (kernel/extable.c:79) [ 14.908957][ T351] do_set_master (net/core/rtnetlink.c:3071) [ 14.908965][ T351] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.908971][ T351] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.908976][ T351] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.908978][ T351] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.908981][ T351] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.908985][ T351] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.908989][ T351] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.908992][ T351] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.908997][ T351] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.909001][ T351] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.909004][ T351] ? kasan_save_track (mm/kasan/common.c:78) [ 14.909008][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.909011][ T351] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.909015][ T351] ? ___sys_sendmsg (net/socket.c:2757) [ 14.909023][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.909026][ T351] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.909031][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.909034][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.909037][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.909039][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.909043][ T351] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.909049][ T351] ? __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) [ 14.909053][ T351] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.909057][ T351] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.909063][ T351] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.909066][ T351] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.909075][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.909085][ T351] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.909096][ T351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.909099][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.909107][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.909110][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.909114][ T351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.909117][ T351] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.909124][ T351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.909127][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.909133][ T351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.909135][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.909143][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.909146][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.909153][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.909155][ T351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.909161][ T351] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.909172][ T351] ? 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)) [ 14.909175][ T351] ? 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)) [ 14.909183][ T351] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.909190][ T351] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.909194][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.909202][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.909209][ T351] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.909216][ T351] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.909224][ T351] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.909228][ T351] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.909232][ T351] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.909234][ T351] ? move_addr_to_kernel (net/socket.c:258) [ 14.909248][ T351] ___sys_sendmsg (net/socket.c:2767) [ 14.909253][ T351] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.909285][ T351] __sys_sendmsg (net/socket.c:2799) [ 14.909289][ T351] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.909301][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.909307][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.909311][ T351] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.909316][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.909320][ T351] RIP: 0033:0x7f327c1f954e [ 14.909325][ T351] 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 [ 14.909328][ T351] RSP: 002b:00007ffe465e48c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.909332][ T351] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f327c1f954e [ 14.909334][ T351] RDX: 0000000000000000 RSI: 00007ffe465e4970 RDI: 0000000000000005 [ 14.909336][ T351] RBP: 00007ffe465e48d0 R08: 0000000000000000 R09: 0000000000000000 [ 14.909337][ T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f23 [ 14.909339][ T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe465e5030 | [ 24.707529][ T12] softirqs last disabled at (27426): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan | [ 24.707534][ T12] Preemption disabled at: | [ 24.707534][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.707544][ T12] Tainted: [W]=WARN [ 24.707545][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.707547][ T12] Workqueue: netns cleanup_net [ 24.707550][ T12] Call Trace: [ 24.707552][ T12] [ 24.707554][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.707560][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.707562][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 24.707567][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.707571][ 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) [ 24.707576][ 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)) [ 24.707579][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.707585][ 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) [ 24.707587][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.707591][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 24.707594][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.707597][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 24.707602][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.707604][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.707606][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.707611][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.707612][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 24.707616][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.707620][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.707624][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.707628][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.707630][ 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)) [ 24.707633][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.707635][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.707640][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.707644][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.707646][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.707651][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.707654][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.707656][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.707658][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.707662][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.707664][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.707668][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 24.707672][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.707673][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 24.707675][ T12] ? kthread (kernel/kthread.c:436) [ 24.707678][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 24.707680][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 24.707685][ T12] _printk (kernel/printk/printk.c:2504) [ 24.707689][ T12] ? snapshot_read.cold (user.c:?) [ 24.707694][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.707697][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.707701][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.707703][ T12] ? netdev_notice (net/core/dev.c:13194) [ 24.707707][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.707710][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 24.707713][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 24.707714][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.707717][ 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) [ 24.707720][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 24.707725][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 24.707729][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 24.707744][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 24.707753][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 24.707761][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 24.707765][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.707769][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 24.707771][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.707774][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 24.707779][ T12] cleanup_net (net/core/net_namespace.c:706) [ 24.707782][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 24.707786][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.707788][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.707792][ T12] process_one_work (kernel/workqueue.c:3387) [ 24.707799][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.707802][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.707810][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.707817][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.707819][ T12] kthread (kernel/kthread.c:436) [ 24.707821][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.707824][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.707827][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.707829][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.707833][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.707836][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.707839][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.723978][ T489] softirqs last disabled at (18654): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 25.723981][ T489] Preemption disabled at: | [ 25.723982][ T489] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.723991][ T489] Tainted: [W]=WARN [ 25.723992][ T489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.723994][ T489] Call Trace: [ 25.723996][ T489] [ 25.723997][ T489] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.724003][ T489] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.724005][ T489] __might_resched.cold (kernel/sched/core.c:9234) [ 25.724010][ T489] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.724014][ T489] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.724020][ T489] __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)) [ 25.724022][ T489] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.724028][ T489] ? 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) [ 25.724030][ T489] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.724033][ T489] put_chars (drivers/char/virtio_console.c:1176) [ 25.724036][ T489] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.724038][ T489] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.724042][ T489] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.724048][ T489] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.724054][ T489] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.724056][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724059][ T489] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.724063][ T489] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.724067][ T489] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.724069][ T489] ? 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)) [ 25.724072][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724074][ T489] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.724078][ T489] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.724082][ T489] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.724084][ T489] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.724090][ T489] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.724093][ T489] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.724094][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724097][ T489] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.724101][ T489] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.724102][ T489] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.724106][ T489] vprintk_emit (kernel/printk/printk.c:2479) [ 25.724109][ T489] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.724111][ T489] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.724113][ T489] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.724116][ T489] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.724117][ T489] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 25.724120][ T489] ? ___sys_sendmsg (net/socket.c:2767) [ 25.724122][ T489] ? __sys_sendmsg (net/socket.c:2799) [ 25.724124][ T489] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.724129][ T489] _printk (kernel/printk/printk.c:2504) [ 25.724132][ T489] ? snapshot_read.cold (user.c:?) [ 25.724137][ T489] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.724141][ T489] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.724144][ T489] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.724146][ T489] ? netdev_notice (net/core/dev.c:13194) [ 25.724150][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724153][ T489] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 25.724155][ T489] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 25.724157][ T489] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.724159][ T489] ? 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) [ 25.724162][ T489] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 25.724167][ T489] dev_set_allmulti (net/core/dev_api.c:315) [ 25.724171][ T489] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 25.724184][ T489] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 25.724190][ T489] br_del_if (net/bridge/br_if.c:732) bridge [ 25.724198][ T489] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 25.724201][ T489] do_set_master (net/core/rtnetlink.c:3055) [ 25.724205][ T489] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 25.724209][ T489] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.724212][ T489] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.724214][ T489] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.724216][ T489] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.724220][ T489] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.724222][ T489] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.724224][ T489] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.724227][ T489] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.724230][ T489] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.724232][ T489] ? kasan_save_track (mm/kasan/common.c:78) [ 25.724234][ T489] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.724236][ T489] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 25.724238][ T489] ? ___sys_sendmsg (net/socket.c:2757) [ 25.724242][ T489] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.724244][ T489] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.724246][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724249][ T489] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.724250][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724252][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724254][ T489] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.724257][ T489] ? __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) [ 25.724260][ T489] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.724262][ T489] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.724265][ T489] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.724267][ T489] ? nla_get_range_signed (lib/nlattr.c:270) [ 25.724272][ T489] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.724277][ T489] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.724282][ T489] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.724284][ T489] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.724289][ T489] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.724291][ T489] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.724293][ T489] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.724294][ T489] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.724298][ T489] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.724300][ T489] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.724303][ T489] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.724304][ T489] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.724309][ T489] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.724311][ T489] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.724314][ T489] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.724316][ T489] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.724319][ T489] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.724325][ T489] ? 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)) [ 25.724326][ T489] ? 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)) [ 25.724331][ T489] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.724334][ T489] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.724337][ T489] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.724341][ T489] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.724345][ T489] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.724349][ T489] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 25.724354][ T489] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 25.724356][ T489] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.724359][ T489] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 25.724360][ T489] ? move_addr_to_kernel (net/socket.c:258) [ 25.724368][ T489] ___sys_sendmsg (net/socket.c:2767) [ 25.724370][ T489] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.724386][ T489] __sys_sendmsg (net/socket.c:2799) [ 25.724389][ T489] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.724395][ T489] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.724399][ T489] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.724401][ T489] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.724404][ T489] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.724406][ T489] RIP: 0033:0x7f250945f54e [ 25.724410][ T489] 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 [ 25.724411][ T489] RSP: 002b:00007fffc4948ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.724415][ T489] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f250945f54e [ 25.724416][ T489] RDX: 0000000000000000 RSI: 00007fffc4948fa0 RDI: 0000000000000005 [ 25.724417][ T489] RBP: 00007fffc4948f00 R08: 0000000000000000 R09: 0000000000000000 [ 25.724418][ T489] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f2e Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print