====================================== | [ 10.103657][ T182] softirqs last disabled at (24544): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.103659][ T182] Preemption disabled at: | [ 10.103660][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.103669][ T182] Tainted: [W]=WARN [ 10.103670][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.103672][ T182] Call Trace: [ 10.103673][ T182] [ 10.103675][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.103680][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.103681][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 10.103686][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.103690][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.103695][ T182] __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)) [ 10.103698][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.103704][ T182] ? 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) [ 10.103709][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.103713][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 10.103716][ T182] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.103718][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.103721][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.103726][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.103734][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.103736][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.103739][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.103744][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.103747][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.103751][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.103753][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.103757][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.103760][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.103762][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.103767][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.103769][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.103771][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.103773][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.103777][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.103779][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.103781][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 10.103784][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.103787][ T182] ? save_trace (kernel/locking/lockdep.c:589) [ 10.103791][ T182] _printk (kernel/printk/printk.c:2504) [ 10.103794][ T182] ? snapshot_read.cold (user.c:?) [ 10.103798][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.103800][ T182] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.103803][ T182] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.103806][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.103808][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.103810][ T182] ? netdev_notice (net/core/dev.c:13194) [ 10.103813][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.103816][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.103818][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.103822][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.103825][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.103827][ T182] ? register_netdev (net/core/dev.c:11618) [ 10.103829][ T182] ? 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)) [ 10.103835][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.103837][ T182] ? __kernel_text_address (kernel/extable.c:79) [ 10.103839][ T182] ? write_profile (profile.c:?) [ 10.103843][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.103849][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.103852][ T182] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.103854][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.103856][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.103859][ T182] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.103862][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.103865][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.103867][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.103870][ T182] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.103871][ T182] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.103873][ T182] ? kasan_save_track (mm/kasan/common.c:78) [ 10.103875][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.103877][ T182] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 10.103880][ T182] ? ___sys_sendmsg (net/socket.c:2757) [ 10.103885][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.103887][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.103890][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.103892][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.103894][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.103895][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.103897][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.103899][ T182] ? __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) [ 10.103902][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.103904][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.103908][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.103910][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.103916][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.103922][ T182] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.103927][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.103930][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.103934][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.103936][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.103939][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.103941][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.103945][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.103947][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.103951][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.103953][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.103958][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.103960][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.103963][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.103965][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.103969][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.103975][ T182] ? 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)) [ 10.103976][ T182] ? 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)) [ 10.103980][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.103984][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.103987][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.103991][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.103995][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.103999][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.104004][ T182] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.104006][ T182] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.104008][ T182] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.104010][ T182] ? move_addr_to_kernel (net/socket.c:258) [ 10.104017][ T182] ___sys_sendmsg (net/socket.c:2767) [ 10.104019][ T182] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.104034][ T182] __sys_sendmsg (net/socket.c:2799) [ 10.104037][ T182] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.104043][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.104046][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.104048][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.104051][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.104053][ T182] RIP: 0033:0x7f419ac8e54e [ 10.104057][ T182] 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 [ 10.104059][ T182] RSP: 002b:00007fffe6ae2350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.104061][ T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f419ac8e54e [ 10.104063][ T182] RDX: 0000000000000000 RSI: 00007fffe6ae2400 RDI: 0000000000000005 [ 10.104064][ T182] RBP: 00007fffe6ae2360 R08: 0000000000000000 R09: 0000000000000000 [ 10.104065][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913094 [ 10.104065][ T182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe6ae2ac0 | [ 12.320653][ T225] softirqs last disabled at (31030): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 12.320655][ T225] Preemption disabled at: | [ 12.320656][ T225] 0x0 | [ 12.320666][ T225] Tainted: [W]=WARN [ 12.320667][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.320669][ T225] Call Trace: [ 12.320670][ T225] [ 12.320672][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.320678][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 12.320682][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.320686][ T225] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.320692][ T225] __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)) [ 12.320694][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.320701][ T225] ? 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) [ 12.320703][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.320707][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 12.320711][ T225] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 12.320714][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.320721][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.320728][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.320731][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.320736][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.320740][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.320744][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.320747][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.320751][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.320755][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.320756][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.320762][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.320764][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.320766][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.320768][ T225] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.320772][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.320773][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.320776][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 12.320780][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.320781][ T225] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.320784][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.320786][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.320791][ T225] _printk (kernel/printk/printk.c:2504) [ 12.320794][ T225] ? snapshot_read.cold (user.c:?) [ 12.320802][ T225] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.320806][ T225] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 12.320810][ T225] br_device_event (net/bridge/br.c:111) [ 12.320812][ T225] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.320816][ T225] ? packet_sendmsg_spkt (af_packet.c:?) [ 12.320822][ T225] notifier_call_chain (kernel/notifier.c:85) [ 12.320828][ T225] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 12.320832][ T225] ? netif_change_name (net/core/dev.c:1517) [ 12.320834][ T225] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 12.320837][ T225] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.320840][ T225] ? __kernel_text_address (kernel/extable.c:79) [ 12.320842][ T225] ? write_profile (profile.c:?) [ 12.320847][ T225] netif_change_flags (net/core/dev.c:9882) [ 12.320851][ T225] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 12.320854][ T225] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.320857][ T225] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.320859][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.320861][ T225] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.320864][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.320866][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.320868][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.320872][ T225] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.320875][ T225] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.320877][ T225] ? kasan_save_track (mm/kasan/common.c:78) [ 12.320881][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.320883][ T225] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.320886][ T225] ? ___sys_sendmsg (net/socket.c:2757) [ 12.320891][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.320893][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.320896][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.320898][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.320900][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.320901][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.320903][ T225] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.320906][ T225] ? __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) [ 12.320907][ T225] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.320909][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.320913][ T225] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.320918][ T225] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.320924][ T225] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.320930][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.320932][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.320937][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.320939][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.320941][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.320943][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.320947][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.320950][ T225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.320953][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.320955][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.320960][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.320962][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.320966][ T225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.320968][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.320971][ T225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.320977][ T225] ? 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)) [ 12.320979][ T225] ? 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)) [ 12.320983][ T225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.320987][ T225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.320990][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.320994][ T225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.320998][ T225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.321002][ T225] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.321007][ T225] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.321009][ T225] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.321011][ T225] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.321013][ T225] ? move_addr_to_kernel (net/socket.c:258) [ 12.321020][ T225] ___sys_sendmsg (net/socket.c:2767) [ 12.321022][ T225] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.321038][ T225] __sys_sendmsg (net/socket.c:2799) [ 12.321040][ T225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.321046][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.321049][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.321051][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.321054][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.321057][ T225] RIP: 0033:0x7fdd7edd054e [ 12.321059][ T225] 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 [ 12.321062][ T225] RSP: 002b:00007ffcb09b1ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.321065][ T225] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdd7edd054e [ 12.321067][ T225] RDX: 0000000000000000 RSI: 00007ffcb09b1d90 RDI: 0000000000000005 [ 12.321069][ T225] RBP: 00007ffcb09b1cf0 R08: 0000000000000000 R09: 0000000000000000 [ 12.321070][ T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913096 [ 12.321071][ T225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb09b2450 | [ 14.442094][ T181] softirqs last disabled at (39922): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 14.442097][ T181] Preemption disabled at: | [ 14.442097][ T181] 0x0 | [ 14.442108][ T181] Tainted: [W]=WARN [ 14.442109][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.442111][ T181] Workqueue: events_unbound linkwatch_event [ 14.442115][ T181] Call Trace: [ 14.442117][ T181] [ 14.442118][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.442124][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 14.442129][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.442132][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.442137][ T181] __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)) [ 14.442140][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.442147][ T181] ? 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) [ 14.442149][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.442153][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 14.442156][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.442160][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.442166][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.442173][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.442176][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.442180][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.442184][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.442188][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.442192][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.442194][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.442198][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.442202][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.442204][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.442210][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.442212][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.442213][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.442215][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.442220][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.442222][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.442225][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 14.442228][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.442230][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.442233][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.442238][ T181] _printk (kernel/printk/printk.c:2504) [ 14.442242][ T181] ? snapshot_read.cold (user.c:?) [ 14.442247][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.442252][ T181] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.442255][ T181] br_init_port (net/bridge/br_stp_if.c:39) [ 14.442258][ T181] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 14.442260][ T181] br_port_carrier_check (net/bridge/br_if.c:90) [ 14.442265][ T181] br_device_event (net/bridge/br.c:101) [ 14.442268][ T181] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.442270][ T181] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 14.442276][ T181] notifier_call_chain (kernel/notifier.c:85) [ 14.442288][ T181] netif_state_change (net/core/dev.c:1625) [ 14.442292][ T181] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.442297][ T181] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 14.442299][ T181] __linkwatch_run_queue (net/core/link_watch.c:240) [ 14.442303][ T181] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.442306][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.442311][ T181] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 14.442313][ T181] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 14.442317][ T181] process_one_work (kernel/workqueue.c:3387) [ 14.442324][ T181] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.442326][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.442334][ T181] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.442338][ T181] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.442340][ T181] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 14.442343][ T181] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.442345][ T181] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.442347][ T181] kthread (kernel/kthread.c:436) [ 14.442349][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.442352][ T181] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.442355][ T181] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.442360][ T181] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.442363][ T181] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.442367][ T181] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.442370][ T181] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.693043][ T233] softirqs last disabled at (52990): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 15.693046][ T233] Preemption disabled at: | [ 15.693046][ T233] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.693056][ T233] Tainted: [W]=WARN [ 15.693056][ T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.693058][ T233] Call Trace: [ 15.693060][ T233] [ 15.693061][ T233] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.693066][ T233] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.693068][ T233] __might_resched.cold (kernel/sched/core.c:9234) [ 15.693073][ T233] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.693076][ T233] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.693082][ T233] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.693085][ T233] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.693091][ T233] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.693093][ T233] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.693096][ T233] put_chars (drivers/char/virtio_console.c:1176) [ 15.693100][ T233] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.693103][ T233] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.693107][ T233] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.693110][ T233] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.693114][ T233] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.693118][ T233] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.693121][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693122][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693127][ T233] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.693129][ T233] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.693132][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.693134][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.693138][ T233] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.693142][ T233] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.693145][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.693147][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.693151][ T233] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.693155][ T233] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.693157][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693162][ T233] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.693164][ T233] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.693165][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.693167][ T233] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.693171][ T233] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.693173][ T233] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.693176][ T233] vprintk_emit (kernel/printk/printk.c:2479) [ 15.693179][ T233] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.693185][ T233] _printk (kernel/printk/printk.c:2504) [ 15.693188][ T233] ? snapshot_read.cold (user.c:?) [ 15.693192][ T233] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 15.693194][ T233] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.693197][ T233] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.693199][ T233] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.693202][ T233] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.693206][ T233] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.693208][ T233] ? netdev_notice (net/core/dev.c:13194) [ 15.693213][ T233] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 15.693216][ T233] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 15.693220][ T233] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 15.693224][ T233] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 15.693229][ T233] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 15.693232][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 15.693234][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.693237][ T233] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.693244][ T233] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.693250][ T233] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 15.693251][ T233] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 15.693254][ T233] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 15.693259][ T233] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 15.693264][ T233] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 15.693266][ T233] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 15.693268][ T233] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 15.693270][ T233] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 15.693277][ T233] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 15.693279][ T233] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.693281][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693283][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693285][ T233] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.693311][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.693313][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.693316][ T233] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.693318][ T233] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.693320][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693325][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.693328][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.693330][ T233] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.693332][ T233] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.693336][ T233] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.693338][ T233] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.693342][ T233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.693344][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693349][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.693351][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.693355][ T233] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.693358][ T233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.693361][ T233] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.693367][ T233] ? 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)) [ 15.693369][ T233] ? 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)) [ 15.693373][ T233] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.693377][ T233] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.693380][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.693386][ T233] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.693390][ T233] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.693393][ T233] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.693399][ T233] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.693403][ T233] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.693405][ T233] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.693406][ T233] ? move_addr_to_kernel (net/socket.c:258) [ 15.693413][ T233] ___sys_sendmsg (net/socket.c:2767) [ 15.693415][ T233] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.693431][ T233] __sys_sendmsg (net/socket.c:2799) [ 15.693433][ T233] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.693439][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.693442][ T233] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.693444][ T233] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.693447][ T233] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.693449][ T233] RIP: 0033:0x7fabbe51854e [ 15.693453][ T233] 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 [ 15.693455][ T233] RSP: 002b:00007ffd484ef330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.693457][ T233] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fabbe51854e [ 15.693459][ T233] RDX: 0000000000000000 RSI: 00007ffd484ef3e0 RDI: 0000000000000005 [ 15.693460][ T233] RBP: 00007ffd484ef340 R08: 0000000000000000 R09: 0000000000000000 [ 15.693460][ T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913099 [ 15.693461][ T233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd484efaa0 | [ 17.416675][ T247] softirqs last disabled at (41372): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 17.416677][ T247] Preemption disabled at: | [ 17.416678][ T247] 0x0 | [ 17.416689][ T247] Tainted: [W]=WARN [ 17.416690][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.416691][ T247] Call Trace: [ 17.416693][ T247] [ 17.416695][ T247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.416701][ T247] __might_resched.cold (kernel/sched/core.c:9234) [ 17.416706][ T247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.416712][ T247] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.416718][ T247] __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)) [ 17.416720][ T247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.416727][ T247] ? 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) [ 17.416729][ T247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.416733][ T247] put_chars (drivers/char/virtio_console.c:1176) [ 17.416735][ T247] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 17.416738][ T247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.416745][ T247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.416753][ T247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.416756][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.416761][ T247] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.416764][ T247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.416768][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.416772][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.416776][ T247] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.416780][ T247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.416782][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.416787][ T247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.416790][ T247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.416791][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.416793][ T247] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.416797][ T247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.416799][ T247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.416802][ T247] vprintk_emit (kernel/printk/printk.c:2479) [ 17.416805][ T247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.416806][ T247] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.416809][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.416812][ T247] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.416816][ T247] _printk (kernel/printk/printk.c:2504) [ 17.416820][ T247] ? snapshot_read.cold (user.c:?) [ 17.416827][ T247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.416832][ T247] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 17.416836][ T247] br_device_event (net/bridge/br.c:111) [ 17.416838][ T247] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.416842][ T247] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.416847][ T247] notifier_call_chain (kernel/notifier.c:85) [ 17.416853][ T247] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 17.416858][ T247] ? netif_change_name (net/core/dev.c:1517) [ 17.416860][ T247] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 17.416863][ T247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 17.416866][ T247] ? __kernel_text_address (kernel/extable.c:79) [ 17.416868][ T247] ? write_profile (profile.c:?) [ 17.416873][ T247] netif_change_flags (net/core/dev.c:9882) [ 17.416876][ T247] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 17.416880][ T247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.416883][ T247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.416884][ T247] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 17.416886][ T247] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 17.416889][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.416891][ T247] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.416893][ T247] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.416896][ T247] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.416899][ T247] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.416900][ T247] ? kasan_save_track (mm/kasan/common.c:78) [ 17.416902][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.416904][ T247] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 17.416908][ T247] ? ___sys_sendmsg (net/socket.c:2757) [ 17.416912][ T247] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.416915][ T247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.416918][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.416919][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.416921][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.416923][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.416925][ T247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.416927][ T247] ? __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) [ 17.416929][ T247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.416931][ T247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.416934][ T247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.416940][ T247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.416945][ T247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.416951][ T247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.416954][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.416958][ T247] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.416960][ T247] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.416963][ T247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.416965][ T247] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.416969][ T247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.416972][ T247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.416975][ T247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.416977][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.416982][ T247] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.416984][ T247] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.416988][ T247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.416990][ T247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.416993][ T247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.416999][ T247] ? 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)) [ 17.417001][ T247] ? 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)) [ 17.417005][ T247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.417009][ T247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.417012][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.417016][ T247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.417020][ T247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.417024][ T247] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.417030][ T247] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.417031][ T247] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.417033][ T247] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.417035][ T247] ? move_addr_to_kernel (net/socket.c:258) [ 17.417042][ T247] ___sys_sendmsg (net/socket.c:2767) [ 17.417044][ T247] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.417060][ T247] __sys_sendmsg (net/socket.c:2799) [ 17.417063][ T247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.417069][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.417072][ T247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.417074][ T247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.417077][ T247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.417079][ T247] RIP: 0033:0x7f216cc5654e [ 17.417082][ T247] 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 [ 17.417083][ T247] RSP: 002b:00007ffedb94e060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.417086][ T247] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f216cc5654e [ 17.417087][ T247] RDX: 0000000000000000 RSI: 00007ffedb94e110 RDI: 0000000000000005 [ 17.417088][ T247] RBP: 00007ffedb94e070 R08: 0000000000000000 R09: 0000000000000000 [ 17.417089][ T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91309b [ 17.417090][ T247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedb94e7d0 | [ 19.538203][ T36] softirqs last disabled at (25778): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.538206][ T36] Preemption disabled at: | [ 19.538207][ T36] 0x0 | [ 19.538217][ T36] Tainted: [W]=WARN [ 19.538218][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.538220][ T36] Workqueue: events_unbound linkwatch_event [ 19.538224][ T36] Call Trace: [ 19.538226][ T36] [ 19.538228][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.538234][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 19.538238][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.538242][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.538247][ T36] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 19.538250][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.538256][ T36] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.538259][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.538263][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 19.538266][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.538270][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.538276][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.538284][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.538287][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.538290][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.538295][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.538299][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.538308][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.538310][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.538315][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.538319][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.538320][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.538326][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.538329][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.538330][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.538332][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.538337][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.538339][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.538342][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 19.538345][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.538348][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.538350][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.538356][ T36] _printk (kernel/printk/printk.c:2504) [ 19.538359][ T36] ? snapshot_read.cold (user.c:?) [ 19.538365][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.538369][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.538373][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 19.538377][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.538380][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.538384][ T36] br_device_event (net/bridge/br.c:101) [ 19.538387][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.538389][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 19.538396][ T36] notifier_call_chain (kernel/notifier.c:85) [ 19.538402][ T36] netif_state_change (net/core/dev.c:1625) [ 19.538407][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.538411][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.538414][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.538418][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.538421][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.538426][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.538428][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.538432][ T36] process_one_work (kernel/workqueue.c:3387) [ 19.538439][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.538441][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.538449][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.538456][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.538458][ T36] kthread (kernel/kthread.c:436) [ 19.538461][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.538464][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.538467][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.538472][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.538476][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.538479][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.538482][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.799318][ T255] softirqs last disabled at (46018): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 20.799321][ T255] Preemption disabled at: | [ 20.799321][ T255] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.799331][ T255] Tainted: [W]=WARN [ 20.799332][ T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.799334][ T255] Call Trace: [ 20.799336][ T255] [ 20.799337][ T255] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.799343][ T255] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.799344][ T255] __might_resched.cold (kernel/sched/core.c:9234) [ 20.799349][ T255] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.799353][ T255] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.799358][ T255] __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)) [ 20.799361][ T255] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.799367][ T255] ? 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) [ 20.799369][ T255] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.799373][ T255] put_chars (drivers/char/virtio_console.c:1176) [ 20.799376][ T255] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.799380][ T255] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.799384][ T255] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.799387][ T255] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.799391][ T255] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.799395][ T255] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.799398][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799400][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799404][ T255] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.799407][ T255] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.799409][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.799412][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.799416][ T255] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.799420][ T255] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.799424][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.799426][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.799430][ T255] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.799434][ T255] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.799435][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799441][ T255] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.799443][ T255] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.799444][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.799447][ T255] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.799450][ T255] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.799452][ T255] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.799455][ T255] vprintk_emit (kernel/printk/printk.c:2479) [ 20.799459][ T255] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.799464][ T255] _printk (kernel/printk/printk.c:2504) [ 20.799468][ T255] ? snapshot_read.cold (user.c:?) [ 20.799472][ T255] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 20.799474][ T255] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.799477][ T255] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 20.799479][ T255] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.799482][ T255] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.799485][ T255] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.799488][ T255] ? netdev_notice (net/core/dev.c:13194) [ 20.799492][ T255] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 20.799495][ T255] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 20.799500][ T255] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 20.799504][ T255] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 20.799509][ T255] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 20.799512][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 20.799515][ T255] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.799518][ T255] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.799525][ T255] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.799531][ T255] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 20.799532][ T255] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 20.799535][ T255] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 20.799540][ T255] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 20.799546][ T255] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 20.799547][ T255] ? 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) [ 20.799549][ T255] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 20.799551][ T255] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 20.799558][ T255] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 20.799560][ T255] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.799562][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799564][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799566][ T255] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.799588][ T255] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.799591][ T255] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.799594][ T255] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.799596][ T255] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.799598][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799603][ T255] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.799605][ T255] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.799607][ T255] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.799610][ T255] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.799614][ T255] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.799616][ T255] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.799620][ T255] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.799622][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799627][ T255] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.799629][ T255] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.799633][ T255] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.799636][ T255] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.799639][ T255] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.799646][ T255] ? 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)) [ 20.799647][ T255] ? 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)) [ 20.799651][ T255] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.799655][ T255] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.799658][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.799662][ T255] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.799666][ T255] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.799670][ T255] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 20.799676][ T255] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 20.799680][ T255] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.799682][ T255] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 20.799683][ T255] ? move_addr_to_kernel (net/socket.c:258) [ 20.799690][ T255] ___sys_sendmsg (net/socket.c:2767) [ 20.799693][ T255] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.799710][ T255] __sys_sendmsg (net/socket.c:2799) [ 20.799713][ T255] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.799720][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.799723][ T255] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.799725][ T255] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.799727][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.799730][ T255] RIP: 0033:0x7f3e6f63f54e [ 20.799734][ T255] 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 [ 20.799736][ T255] RSP: 002b:00007fff71f05a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.799738][ T255] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e6f63f54e [ 20.799740][ T255] RDX: 0000000000000000 RSI: 00007fff71f05b00 RDI: 0000000000000005 [ 20.799740][ T255] RBP: 00007fff71f05a60 R08: 0000000000000000 R09: 0000000000000000 [ 20.799741][ T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91309f [ 20.799742][ T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff71f061c0 | [ 22.577335][ T269] softirqs last disabled at (33998): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 22.577338][ T269] Preemption disabled at: | [ 22.577338][ T269] 0x0 | [ 22.577349][ T269] Tainted: [W]=WARN [ 22.577350][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.577352][ T269] Call Trace: [ 22.577354][ T269] [ 22.577355][ T269] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.577361][ T269] __might_resched.cold (kernel/sched/core.c:9234) [ 22.577366][ T269] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.577370][ T269] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.577375][ T269] __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)) [ 22.577378][ T269] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.577384][ T269] ? 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) [ 22.577387][ T269] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.577390][ T269] put_chars (drivers/char/virtio_console.c:1176) [ 22.577393][ T269] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 22.577396][ T269] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.577403][ T269] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.577410][ T269] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.577413][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.577418][ T269] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.577422][ T269] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.577426][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.577429][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.577433][ T269] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.577437][ T269] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.577438][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.577444][ T269] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.577446][ T269] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.577448][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.577450][ T269] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.577454][ T269] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.577455][ T269] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.577458][ T269] vprintk_emit (kernel/printk/printk.c:2479) [ 22.577462][ T269] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.577463][ T269] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.577466][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.577468][ T269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.577473][ T269] _printk (kernel/printk/printk.c:2504) [ 22.577476][ T269] ? snapshot_read.cold (user.c:?) [ 22.577484][ T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.577488][ T269] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 22.577492][ T269] br_device_event (net/bridge/br.c:111) [ 22.577494][ T269] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 22.577498][ T269] ? packet_sendmsg_spkt (af_packet.c:?) [ 22.577503][ T269] notifier_call_chain (kernel/notifier.c:85) [ 22.577509][ T269] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 22.577514][ T269] ? netif_change_name (net/core/dev.c:1517) [ 22.577516][ T269] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 22.577519][ T269] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 22.577522][ T269] ? __kernel_text_address (kernel/extable.c:79) [ 22.577524][ T269] ? write_profile (profile.c:?) [ 22.577529][ T269] netif_change_flags (net/core/dev.c:9882) [ 22.577533][ T269] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 22.577537][ T269] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.577539][ T269] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.577541][ T269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 22.577543][ T269] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 22.577546][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.577548][ T269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.577550][ T269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.577553][ T269] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.577555][ T269] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.577556][ T269] ? kasan_save_track (mm/kasan/common.c:78) [ 22.577559][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.577561][ T269] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 22.577564][ T269] ? ___sys_sendmsg (net/socket.c:2757) [ 22.577569][ T269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.577571][ T269] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.577574][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.577576][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.577577][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.577579][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.577581][ T269] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.577583][ T269] ? __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) [ 22.577585][ T269] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.577587][ T269] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.577591][ T269] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.577596][ T269] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.577602][ T269] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.577607][ T269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.577610][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.577614][ T269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.577616][ T269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.577619][ T269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.577621][ T269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.577625][ T269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.577627][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.577631][ T269] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.577633][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.577638][ T269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.577640][ T269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.577643][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.577645][ T269] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.577649][ T269] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.577655][ T269] ? 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)) [ 22.577656][ T269] ? 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)) [ 22.577661][ T269] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.577664][ T269] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.577667][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.577672][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.577675][ T269] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.577679][ T269] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 22.577685][ T269] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 22.577687][ T269] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.577689][ T269] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 22.577690][ T269] ? move_addr_to_kernel (net/socket.c:258) [ 22.577698][ T269] ___sys_sendmsg (net/socket.c:2767) [ 22.577700][ T269] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.577718][ T269] __sys_sendmsg (net/socket.c:2799) [ 22.577721][ T269] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.577727][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.577730][ T269] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.577732][ T269] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.577735][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.577737][ T269] RIP: 0033:0x7f086e29a54e [ 22.577740][ T269] 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 [ 22.577741][ T269] RSP: 002b:00007fffbbe7eb70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.577744][ T269] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f086e29a54e [ 22.577746][ T269] RDX: 0000000000000000 RSI: 00007fffbbe7ec20 RDI: 0000000000000005 [ 22.577746][ T269] RBP: 00007fffbbe7eb80 R08: 0000000000000000 R09: 0000000000000000 [ 22.577747][ T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130a0 [ 22.577748][ T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbbe7f2e0 | [ 24.702081][ T181] softirqs last disabled at (73160): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 24.702084][ T181] Preemption disabled at: | [ 24.702084][ T181] 0x0 | [ 24.702095][ T181] Tainted: [W]=WARN [ 24.702096][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.702098][ T181] Workqueue: events_unbound linkwatch_event [ 24.702102][ T181] Call Trace: [ 24.702103][ T181] [ 24.702105][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.702111][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 24.702115][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.702119][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.702125][ T181] __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)) [ 24.702127][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.702134][ T181] ? 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) [ 24.702136][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.702140][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 24.702143][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.702147][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.702153][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.702160][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.702163][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.702167][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.702171][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.702175][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.702180][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.702182][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.702186][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.702190][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.702191][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.702197][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.702199][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.702201][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.702203][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.702207][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.702209][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.702212][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 24.702216][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.702218][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.702221][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.702225][ T181] _printk (kernel/printk/printk.c:2504) [ 24.702229][ T181] ? snapshot_read.cold (user.c:?) [ 24.702235][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.702239][ T181] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.702243][ T181] br_init_port (net/bridge/br_stp_if.c:39) [ 24.702246][ T181] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 24.702248][ T181] br_port_carrier_check (net/bridge/br_if.c:90) [ 24.702252][ T181] br_device_event (net/bridge/br.c:101) [ 24.702256][ T181] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.702257][ T181] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 24.702265][ T181] notifier_call_chain (kernel/notifier.c:85) [ 24.702271][ T181] netif_state_change (net/core/dev.c:1625) [ 24.702275][ T181] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.702280][ T181] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 24.702283][ T181] __linkwatch_run_queue (net/core/link_watch.c:240) [ 24.702286][ T181] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.702289][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.702294][ T181] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 24.702297][ T181] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 24.702301][ T181] process_one_work (kernel/workqueue.c:3387) [ 24.702307][ T181] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.702309][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.702322][ T181] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.702326][ T181] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.702328][ T181] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 24.702331][ T181] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.702334][ T181] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.702335][ T181] kthread (kernel/kthread.c:436) [ 24.702337][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.702341][ T181] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.702344][ T181] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.702348][ T181] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.702352][ T181] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.702355][ T181] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.702359][ T181] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.983433][ T277] softirqs last disabled at (41631): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.983435][ T277] Preemption disabled at: | [ 25.983436][ T277] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.983445][ T277] Tainted: [W]=WARN [ 25.983446][ T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.983447][ T277] Call Trace: [ 25.983449][ T277] [ 25.983451][ T277] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.983456][ T277] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.983458][ T277] __might_resched.cold (kernel/sched/core.c:9234) [ 25.983462][ T277] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.983466][ T277] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.983471][ T277] __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)) [ 25.983474][ T277] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.983480][ T277] ? 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) [ 25.983482][ T277] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.983486][ T277] put_chars (drivers/char/virtio_console.c:1176) [ 25.983489][ T277] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.983492][ T277] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.983496][ T277] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.983499][ T277] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.983504][ T277] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.983508][ T277] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.983510][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983512][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983516][ T277] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.983518][ T277] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 25.983521][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.983523][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.983527][ T277] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.983531][ T277] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.983535][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.983537][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.983541][ T277] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.983544][ T277] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.983546][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983551][ T277] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.983554][ T277] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.983555][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.983557][ T277] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.983561][ T277] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.983562][ T277] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.983565][ T277] vprintk_emit (kernel/printk/printk.c:2479) [ 25.983569][ T277] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.983574][ T277] _printk (kernel/printk/printk.c:2504) [ 25.983578][ T277] ? snapshot_read.cold (user.c:?) [ 25.983581][ T277] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.983583][ T277] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.983586][ T277] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 25.983589][ T277] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.983592][ T277] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.983596][ T277] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.983598][ T277] ? netdev_notice (net/core/dev.c:13194) [ 25.983602][ T277] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 25.983605][ T277] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 25.983609][ T277] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 25.983613][ T277] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 25.983618][ T277] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 25.983622][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 25.983624][ T277] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.983627][ T277] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.983634][ T277] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.983640][ T277] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 25.983641][ T277] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 25.983645][ T277] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 25.983649][ T277] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 25.983655][ T277] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 25.983657][ T277] ? 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) [ 25.983659][ T277] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 25.983661][ T277] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 25.983667][ T277] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 25.983669][ T277] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.983671][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983673][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983675][ T277] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.983696][ T277] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.983698][ T277] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.983701][ T277] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.983703][ T277] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.983705][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983712][ T277] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.983714][ T277] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.983717][ T277] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.983719][ T277] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.983723][ T277] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.983725][ T277] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.983729][ T277] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.983731][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983735][ T277] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.983737][ T277] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.983741][ T277] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.983744][ T277] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.983747][ T277] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.983753][ T277] ? 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)) [ 25.983755][ T277] ? 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)) [ 25.983759][ T277] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.983763][ T277] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.983765][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.983770][ T277] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.983773][ T277] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.983777][ T277] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 25.983783][ T277] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 25.983787][ T277] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.983789][ T277] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 25.983790][ T277] ? move_addr_to_kernel (net/socket.c:258) [ 25.983797][ T277] ___sys_sendmsg (net/socket.c:2767) [ 25.983799][ T277] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.983814][ T277] __sys_sendmsg (net/socket.c:2799) [ 25.983817][ T277] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.983823][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.983826][ T277] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.983828][ T277] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.983830][ T277] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.983832][ T277] RIP: 0033:0x7f1ec138154e [ 25.983836][ T277] 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 [ 25.983838][ T277] RSP: 002b:00007fffcc81aac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.983841][ T277] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1ec138154e [ 25.983842][ T277] RDX: 0000000000000000 RSI: 00007fffcc81ab70 RDI: 0000000000000005 [ 25.983843][ T277] RBP: 00007fffcc81aad0 R08: 0000000000000000 R09: 0000000000000000 [ 25.983844][ T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130a4 [ 25.983845][ T277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcc81b230 | [ 25.985088][ C0] | [ 25.985088][ C0] | [ 25.985088][ C0] stack backtrace: | [ 25.985093][ C0] Tainted: [W]=WARN [ 25.985093][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.985094][ C0] Call Trace: [ 25.985095][ C0] [ 25.985096][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.985099][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 25.985101][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 25.985103][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 25.985106][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 25.985108][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 25.985110][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 25.985112][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.985114][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 25.985116][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.985118][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.985120][ C0] console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 25.985121][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 25.985123][ C0] vprintk_emit (kernel/printk/printk.c:2478) [ 25.985124][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.985126][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664) [ 25.985128][ C0] _printk (kernel/printk/printk.c:2504) [ 25.985130][ C0] ? snapshot_read.cold (user.c:?) [ 25.985132][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664) [ 25.985134][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.985137][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 25.985138][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 25.985140][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 25.985142][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 25.985144][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 25.985145][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 25.985148][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.985150][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.985152][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.985153][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 25.985155][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 25.985157][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 25.985158][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.985161][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.985163][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 25.985165][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 25.985166][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.985169][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.985171][ C0] handle_softirqs (kernel/softirq.c:645) [ 25.985173][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.985174][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.985177][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 25.985178][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 25.985180][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 25.985182][ C0] [ 25.985182][ C0] [ 25.985183][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.985185][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 25.985186][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 25.985189][ C0] Code: 48 8b 3d 94 12 09 02 e8 1f 00 00 00 48 2b 05 58 a3 a6 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 56 1b 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 12 09 02 mov 0x2091294(%rip),%rdi # 0x209129b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 a3 a6 00 sub 0xa6a358(%rip),%rax # 0xa6a36b 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 56 1b 00 verw 0x1b5613(%rip) # 0x1b563b 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 [ 25.985190][ C0] RSP: 0018:ffffffffb6a07cf8 EFLAGS: 00000296 [ 25.985191][ C0] RAX: 000000000008d875 RBX: ffffffffb6a1c600 RCX: ffffffffb38fa307 [ 25.985193][ C0] RDX: ffffffffb6a1c600 RSI: ffffffffb68a7f75 RDI: ffffffffb628f560 [ 25.985194][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.985194][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6d40fa2 [ 25.985195][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 25.985197][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 25.985199][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.985201][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 25.985202][ C0] default_idle_call (kernel/sched/idle.c:122) [ 25.985204][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 25.985206][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 25.985208][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 25.985211][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.985212][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.985214][ C0] do_idle (kernel/sched/idle.c:355) [ 25.985216][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 25.985217][ C0] rest_init (init/main.c:727) [ 25.985219][ C0] ? __cpuidle_text_end (??:?) [ 25.985222][ C0] ? rest_init (init/main.c:727) [ 25.985224][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 25.985227][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 25.985229][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 25.985231][ C0] start_kernel (init/main.c:1185) [ 25.985232][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 25.985234][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 25.985236][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 27.409913][ T70] softirqs last disabled at (12699): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 27.409916][ T70] Preemption disabled at: | [ 27.409916][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.409928][ T70] Tainted: [W]=WARN [ 27.409928][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.409930][ T70] Workqueue: bond0 bond_mii_monitor [ 27.409936][ T70] Call Trace: [ 27.409938][ T70] [ 27.409940][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.409945][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.409947][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 27.409951][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.409953][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.409957][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 27.409960][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.409962][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.409966][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 27.409967][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.409970][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 27.409972][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.409974][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.409976][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 27.409977][ T70] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 27.409980][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.409984][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.409986][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.409988][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.409989][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.409990][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.409993][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.409995][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.409996][ T70] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 27.409998][ T70] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 27.410001][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410002][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410003][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410004][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.410007][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 27.410008][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.410010][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.410012][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.410013][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.410015][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.410016][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410017][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.410019][ T70] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.410021][ T70] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 27.410023][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.410025][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.410026][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 27.410028][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.410030][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410031][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.410033][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410034][ T70] _printk (kernel/printk/printk.c:2504) [ 27.410037][ T70] ? snapshot_read.cold (user.c:?) [ 27.410039][ T70] ? bond_slave_netdev_event.isra.0 (drivers/net/bonding/bond_main.c:3963 (discriminator 1)) [ 27.410041][ T70] ? failover_register (net/core/failover.c:272) [ 27.410044][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.410047][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.410049][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.410050][ T70] ? netdev_notice (net/core/dev.c:13194) [ 27.410052][ T70] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 27.410055][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.410059][ T70] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 27.410063][ T70] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 27.410064][ T70] ? wait_for_completion_io (kernel/sched/completion.c:102 kernel/sched/completion.c:121 kernel/sched/completion.c:138 kernel/sched/completion.c:186) [ 27.410066][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410067][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 27.410069][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.410070][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410072][ T70] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 27.410073][ T70] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 27.410075][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410076][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.410078][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.410079][ T70] ? process_one_work (kernel/workqueue.c:3386) [ 27.410081][ T70] process_one_work (kernel/workqueue.c:3387) [ 27.410084][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.410086][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.410088][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.410089][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.410090][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 27.410093][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.410094][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.410095][ T70] kthread (kernel/kthread.c:436) [ 27.410097][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.410099][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.410101][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.410104][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.410106][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.410109][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.410111][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.539026][ T39] softirqs last disabled at (49380): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 29.539029][ T39] Preemption disabled at: | [ 29.539029][ T39] 0x0 | [ 29.539039][ T39] Tainted: [W]=WARN [ 29.539040][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.539042][ T39] Workqueue: events_unbound linkwatch_event [ 29.539049][ T39] Call Trace: [ 29.539050][ T39] [ 29.539052][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.539057][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 29.539060][ T39] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 29.539064][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.539067][ T39] ? record_print_text (kernel/printk/printk.c:1467) [ 29.539070][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.539074][ 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)) [ 29.539077][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.539079][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.539083][ 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) [ 29.539084][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.539087][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 29.539090][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.539092][ T39] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 29.539094][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.539099][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.539101][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.539102][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.539103][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.539106][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.539108][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.539110][ T39] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 29.539111][ T39] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 29.539113][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.539114][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.539115][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.539117][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.539119][ T39] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 29.539120][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.539122][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.539124][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.539126][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.539127][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.539129][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.539130][ T39] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.539132][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.539133][ T39] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 29.539135][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.539137][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.539139][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 29.539140][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.539142][ T39] ? 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) [ 29.539144][ T39] _printk (kernel/printk/printk.c:2504) [ 29.539147][ T39] ? snapshot_read.cold (user.c:?) [ 29.539148][ T39] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 29.539151][ T39] ? port_cost (net/bridge/br_if.c:40) [ 29.539154][ T39] ? br_multicast_flood (??:?) [ 29.539157][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.539159][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 29.539161][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 29.539163][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 29.539166][ T39] br_device_event (net/bridge/br.c:101) [ 29.539168][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.539169][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 29.539172][ T39] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 29.539175][ T39] notifier_call_chain (kernel/notifier.c:85) [ 29.539178][ T39] netif_state_change (net/core/dev.c:1625) [ 29.539181][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.539183][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 29.539185][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.539188][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.539190][ T39] ? debug_object_active_state (lib/debugobjects.c:1122) [ 29.539194][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.539196][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.539198][ T39] process_one_work (kernel/workqueue.c:3387) [ 29.539201][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.539203][ T39] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.539205][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.539207][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.539209][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.539211][ T39] kthread (kernel/kthread.c:436) [ 29.539213][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.539216][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.539218][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.539222][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.539224][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.539227][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.539229][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.701703][ T299] softirqs last disabled at (0): 0x0 | [ 30.701705][ T299] Preemption disabled at: | [ 30.701705][ T299] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.701719][ T299] Tainted: [W]=WARN [ 30.701720][ T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.701722][ T299] Call Trace: [ 30.701723][ T299] [ 30.701724][ T299] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.701729][ T299] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.701731][ T299] __might_resched.cold (kernel/sched/core.c:9234) [ 30.701734][ T299] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.701737][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701740][ T299] __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)) [ 30.701744][ T299] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.701746][ T299] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.701750][ T299] ? 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) [ 30.701751][ T299] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.701754][ T299] put_chars (drivers/char/virtio_console.c:1176) [ 30.701756][ T299] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.701759][ T299] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 30.701761][ T299] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.701762][ T299] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 30.701764][ T299] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.701767][ T299] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 30.701769][ T299] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.701771][ T299] ? 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) [ 30.701773][ T299] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.701774][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701775][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.701778][ T299] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.701780][ T299] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.701781][ T299] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 30.701783][ T299] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 30.701785][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701787][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701788][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701789][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.701791][ T299] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.701792][ T299] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.701794][ T299] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.701796][ T299] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.701797][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.701799][ T299] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.701800][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701802][ T299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.701803][ T299] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.701805][ T299] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 30.701807][ T299] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.701809][ T299] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.701810][ T299] vprintk_emit (kernel/printk/printk.c:2479) [ 30.701812][ T299] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.701814][ T299] ? 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) [ 30.701815][ T299] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.701816][ T299] _printk (kernel/printk/printk.c:2504) [ 30.701819][ T299] ? snapshot_read.cold (user.c:?) [ 30.701821][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701822][ T299] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.701825][ T299] ? 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) [ 30.701826][ T299] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 30.701828][ T299] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.701830][ T299] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.701832][ T299] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.701833][ T299] ? netdev_notice (net/core/dev.c:13194) [ 30.701835][ T299] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 30.701839][ T299] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 30.701840][ T299] ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40) [ 30.701842][ T299] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 30.701846][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.701848][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701849][ T299] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 30.701852][ T299] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 30.701854][ T299] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 30.701855][ T299] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 30.701856][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701859][ T299] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 30.701862][ T299] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.701865][ T299] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 30.701867][ T299] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 30.701869][ T299] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 30.701872][ T299] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 30.701874][ T299] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 30.701876][ T299] ? 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) [ 30.701878][ T299] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 30.701880][ T299] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 30.701882][ T299] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 30.701884][ T299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.701886][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701887][ T299] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.701889][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701895][ T299] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 30.701898][ T299] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.701900][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701901][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701902][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.701904][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701905][ T299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.701907][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 30.701909][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 30.701911][ T299] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.701913][ T299] ? __kernel_text_address (kernel/extable.c:79) [ 30.701915][ T299] ? write_profile (profile.c:?) [ 30.701917][ T299] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.701919][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701920][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701921][ T299] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.701925][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.701927][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701928][ T299] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.701930][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.701932][ T299] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.701934][ T299] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.701936][ T299] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 30.701939][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.701942][ T299] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.701944][ T299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.701946][ T299] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.701947][ T299] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 30.701950][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701951][ T299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.701953][ T299] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.701955][ T299] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.701957][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701958][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701959][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.701961][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.701963][ T299] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.701965][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701966][ T299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.701968][ T299] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.701971][ T299] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.701973][ T299] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.701974][ T299] ? move_addr_to_kernel (net/socket.c:258) [ 30.701975][ T299] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.701978][ T299] ___sys_sendmsg (net/socket.c:2767) [ 30.701979][ T299] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.701984][ T299] __sys_sendmsg (net/socket.c:2799) [ 30.701985][ T299] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.701988][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.701989][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.701991][ T299] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.701993][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.701995][ T299] RIP: 0033:0x7f7c180bd54e [ 30.701997][ T299] 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 [ 30.701998][ T299] RSP: 002b:00007fffd2f57440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.702002][ T299] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7c180bd54e [ 30.702003][ T299] RDX: 0000000000000000 RSI: 00007fffd2f574f0 RDI: 0000000000000005 [ 30.702004][ T299] RBP: 00007fffd2f57450 R08: 0000000000000000 R09: 0000000000000000 [ 30.702005][ T299] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130a8 [ 30.702006][ T299] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd2f57bb0 | [ 32.162633][ T313] softirqs last disabled at (0): 0x0 | [ 32.162634][ T313] Preemption disabled at: | [ 32.162635][ T313] 0x0 | [ 32.162644][ T313] Tainted: [W]=WARN [ 32.162645][ T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.162646][ T313] Call Trace: [ 32.162648][ T313] [ 32.162649][ T313] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.162654][ T313] __might_resched.cold (kernel/sched/core.c:9234) [ 32.162658][ T313] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.162661][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162665][ T313] __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)) [ 32.162669][ T313] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.162671][ T313] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.162676][ T313] ? 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) [ 32.162677][ T313] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.162679][ T313] put_chars (drivers/char/virtio_console.c:1176) [ 32.162682][ T313] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 32.162684][ T313] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.162687][ T313] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.162692][ T313] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.162693][ T313] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.162695][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.162697][ T313] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.162700][ T313] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.162701][ T313] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 32.162703][ T313] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 32.162706][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162709][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162711][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162712][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.162714][ T313] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.162715][ T313] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.162717][ T313] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.162720][ T313] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.162721][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.162723][ T313] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.162724][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162725][ T313] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.162727][ T313] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.162729][ T313] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 32.162730][ T313] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.162733][ T313] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.162734][ T313] vprintk_emit (kernel/printk/printk.c:2479) [ 32.162736][ T313] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.162738][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162739][ T313] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.162742][ T313] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.162744][ T313] _printk (kernel/printk/printk.c:2504) [ 32.162747][ T313] ? snapshot_read.cold (user.c:?) [ 32.162749][ T313] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 32.162753][ T313] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.162756][ T313] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.162758][ T313] br_device_event (net/bridge/br.c:111) [ 32.162761][ T313] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.162764][ T313] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.162766][ T313] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 32.162769][ T313] notifier_call_chain (kernel/notifier.c:85) [ 32.162773][ T313] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 32.162776][ T313] ? netif_change_name (net/core/dev.c:1517) [ 32.162778][ T313] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 32.162780][ T313] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 32.162782][ T313] ? __kernel_text_address (kernel/extable.c:79) [ 32.162784][ T313] ? write_profile (profile.c:?) [ 32.162787][ T313] netif_change_flags (net/core/dev.c:9882) [ 32.162789][ T313] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 32.162793][ T313] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.162794][ T313] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.162796][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162797][ T313] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.162801][ T313] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.162802][ T313] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.162803][ T313] ? kasan_save_track (mm/kasan/common.c:78) [ 32.162804][ T313] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 32.162806][ T313] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 32.162807][ T313] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 32.162809][ T313] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.162811][ T313] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.162814][ T313] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.162815][ T313] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.162816][ T313] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.162819][ T313] ? ___sys_sendmsg (net/socket.c:2767) [ 32.162820][ T313] ? __sys_sendmsg (net/socket.c:2799) [ 32.162822][ T313] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.162823][ T313] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.162826][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162827][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.162829][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162830][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162831][ T313] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.162833][ T313] ? __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) [ 32.162835][ T313] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.162836][ T313] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.162838][ T313] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.162840][ T313] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.162842][ T313] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.162845][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162846][ T313] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.162848][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.162849][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162851][ T313] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 32.162854][ T313] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 32.162855][ T313] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.162857][ T313] ? __kernel_text_address (kernel/extable.c:79) [ 32.162858][ T313] ? write_profile (profile.c:?) [ 32.162860][ T313] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.162863][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162864][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162865][ T313] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.162869][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.162870][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162872][ T313] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.162873][ T313] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.162875][ T313] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.162877][ T313] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.162879][ T313] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.162881][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.162883][ T313] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.162884][ T313] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.162886][ T313] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.162888][ T313] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 32.162890][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162891][ T313] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.162894][ T313] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.162896][ T313] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.162897][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162898][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162900][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.162902][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.162904][ T313] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.162906][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162907][ T313] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.162909][ T313] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.162910][ T313] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.162912][ T313] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.162913][ T313] ? move_addr_to_kernel (net/socket.c:258) [ 32.162914][ T313] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.162917][ T313] ___sys_sendmsg (net/socket.c:2767) [ 32.162919][ T313] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.162923][ T313] __sys_sendmsg (net/socket.c:2799) [ 32.162925][ T313] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.162927][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.162929][ T313] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.162930][ T313] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.162932][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.162934][ T313] RIP: 0033:0x7f3a4066754e [ 32.162935][ T313] 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 [ 32.162937][ T313] RSP: 002b:00007ffc6e99aa20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.162941][ T313] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3a4066754e [ 32.162943][ T313] RDX: 0000000000000000 RSI: 00007ffc6e99aad0 RDI: 0000000000000005 [ 32.162944][ T313] RBP: 00007ffc6e99aa30 R08: 0000000000000000 R09: 0000000000000000 [ 32.162944][ T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130aa [ 32.162945][ T313] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6e99b190 | [ 34.240427][ T46] softirqs last disabled at (37925): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 34.240430][ T46] Preemption disabled at: | [ 34.240431][ T46] 0x0 | [ 34.240440][ T46] Tainted: [W]=WARN [ 34.240441][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.240443][ T46] Workqueue: events_unbound linkwatch_event [ 34.240449][ T46] Call Trace: [ 34.240451][ T46] [ 34.240452][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.240457][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 34.240460][ T46] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 34.240463][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.240466][ T46] ? record_print_text (kernel/printk/printk.c:1467) [ 34.240469][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.240472][ T46] __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)) [ 34.240475][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.240477][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.240481][ T46] ? 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) [ 34.240482][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.240485][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 34.240487][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.240489][ T46] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 34.240492][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.240496][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.240498][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.240499][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.240500][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.240503][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.240506][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.240507][ T46] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 34.240509][ T46] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 34.240510][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.240511][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.240512][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.240514][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.240516][ T46] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 34.240517][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.240519][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.240521][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.240522][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.240524][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.240525][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.240526][ T46] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.240528][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.240530][ T46] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 34.240532][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.240534][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.240535][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 34.240537][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.240539][ T46] ? 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) [ 34.240540][ T46] _printk (kernel/printk/printk.c:2504) [ 34.240543][ T46] ? snapshot_read.cold (user.c:?) [ 34.240545][ T46] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 34.240548][ T46] ? port_cost (net/bridge/br_if.c:40) [ 34.240551][ T46] ? br_multicast_flood (??:?) [ 34.240553][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.240555][ T46] br_init_port (net/bridge/br_stp_if.c:39) [ 34.240557][ T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 34.240559][ T46] br_port_carrier_check (net/bridge/br_if.c:90) [ 34.240562][ T46] br_device_event (net/bridge/br.c:101) [ 34.240564][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.240566][ T46] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 34.240568][ T46] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 34.240571][ T46] notifier_call_chain (kernel/notifier.c:85) [ 34.240575][ T46] netif_state_change (net/core/dev.c:1625) [ 34.240577][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.240579][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 34.240581][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 34.240584][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.240586][ T46] ? debug_object_active_state (lib/debugobjects.c:1122) [ 34.240589][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 34.240591][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 34.240594][ T46] process_one_work (kernel/workqueue.c:3387) [ 34.240597][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.240598][ T46] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.240601][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.240602][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.240605][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.240606][ T46] kthread (kernel/kthread.c:436) [ 34.240608][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.240611][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.240613][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.240617][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.240619][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.240622][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.240624][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 35.371191][ T321] softirqs last disabled at (0): 0x0 | [ 35.371193][ T321] Preemption disabled at: | [ 35.371194][ T321] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.371204][ T321] Tainted: [W]=WARN [ 35.371205][ T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.371206][ T321] Call Trace: [ 35.371208][ T321] [ 35.371209][ T321] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.371214][ T321] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.371215][ T321] __might_resched.cold (kernel/sched/core.c:9234) [ 35.371219][ T321] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.371222][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371226][ T321] __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)) [ 35.371230][ T321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.371232][ T321] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.371236][ T321] ? 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) [ 35.371237][ T321] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.371240][ T321] put_chars (drivers/char/virtio_console.c:1176) [ 35.371242][ T321] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.371245][ T321] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 35.371247][ T321] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 35.371248][ T321] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 35.371250][ T321] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.371254][ T321] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 35.371256][ T321] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.371258][ T321] ? 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) [ 35.371259][ T321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.371260][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371262][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.371265][ T321] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.371267][ T321] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.371268][ T321] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 35.371270][ T321] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 35.371272][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371274][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371275][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371276][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.371278][ T321] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.371279][ T321] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.371281][ T321] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.371283][ T321] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.371284][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.371286][ T321] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.371287][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371288][ T321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.371290][ T321] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.371292][ T321] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 35.371293][ T321] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.371296][ T321] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.371297][ T321] vprintk_emit (kernel/printk/printk.c:2479) [ 35.371299][ T321] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.371301][ T321] ? 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) [ 35.371302][ T321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.371303][ T321] _printk (kernel/printk/printk.c:2504) [ 35.371307][ T321] ? snapshot_read.cold (user.c:?) [ 35.371308][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371309][ T321] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.371312][ T321] ? 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) [ 35.371313][ T321] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.371315][ T321] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.371317][ T321] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.371319][ T321] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.371321][ T321] ? netdev_notice (net/core/dev.c:13194) [ 35.371323][ T321] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 35.371326][ T321] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 35.371328][ T321] ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40) [ 35.371329][ T321] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 35.371333][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.371335][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371336][ T321] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 35.371339][ T321] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 35.371341][ T321] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 35.371342][ T321] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 35.371343][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371346][ T321] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.371349][ T321] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.371353][ T321] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 35.371358][ T321] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 35.371361][ T321] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 35.371363][ T321] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 35.371366][ T321] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 35.371368][ T321] ? 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) [ 35.371369][ T321] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 35.371371][ T321] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 35.371374][ T321] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 35.371376][ T321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.371378][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371380][ T321] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.371381][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371387][ T321] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 35.371390][ T321] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.371392][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371393][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371394][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.371396][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371397][ T321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.371399][ T321] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 35.371402][ T321] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 35.371403][ T321] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.371406][ T321] ? __kernel_text_address (kernel/extable.c:79) [ 35.371407][ T321] ? write_profile (profile.c:?) [ 35.371410][ T321] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.371412][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371413][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371414][ T321] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.371417][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.371419][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371420][ T321] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.371422][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.371425][ T321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.371426][ T321] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.371428][ T321] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.371431][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.371434][ T321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.371436][ T321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.371438][ T321] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.371439][ T321] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 35.371442][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371443][ T321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.371445][ T321] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.371447][ T321] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.371449][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371450][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371451][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.371453][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.371455][ T321] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.371457][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371458][ T321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.371460][ T321] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.371463][ T321] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.371464][ T321] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.371466][ T321] ? move_addr_to_kernel (net/socket.c:258) [ 35.371467][ T321] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.371469][ T321] ___sys_sendmsg (net/socket.c:2767) [ 35.371471][ T321] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.371475][ T321] __sys_sendmsg (net/socket.c:2799) [ 35.371477][ T321] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.371480][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.371481][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.371483][ T321] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.371485][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.371486][ T321] RIP: 0033:0x7f3a1ffe554e [ 35.371489][ T321] 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 [ 35.371490][ T321] RSP: 002b:00007ffd1c61ede0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.371494][ T321] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3a1ffe554e [ 35.371496][ T321] RDX: 0000000000000000 RSI: 00007ffd1c61ee90 RDI: 0000000000000005 [ 35.371497][ T321] RBP: 00007ffd1c61edf0 R08: 0000000000000000 R09: 0000000000000000 [ 35.371497][ T321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130ad [ 35.371498][ T321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1c61f550 | [ 36.830634][ T335] softirqs last disabled at (0): 0x0 | [ 36.830636][ T335] Preemption disabled at: | [ 36.830636][ T335] 0x0 | [ 36.830645][ T335] Tainted: [W]=WARN [ 36.830646][ T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.830647][ T335] Call Trace: [ 36.830649][ T335] [ 36.830650][ T335] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.830655][ T335] __might_resched.cold (kernel/sched/core.c:9234) [ 36.830659][ T335] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.830662][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830665][ T335] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 36.830669][ T335] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.830671][ T335] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.830676][ T335] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 36.830677][ T335] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.830679][ T335] put_chars (drivers/char/virtio_console.c:1176) [ 36.830681][ T335] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 36.830684][ T335] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.830687][ T335] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.830691][ T335] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.830693][ T335] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.830694][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.830697][ T335] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.830700][ T335] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.830701][ T335] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 36.830703][ T335] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 36.830706][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830709][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830710][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830712][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.830714][ T335] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 36.830715][ T335] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.830717][ T335] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.830719][ T335] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.830720][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.830722][ T335] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.830723][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830724][ T335] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.830726][ T335] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.830728][ T335] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 36.830730][ T335] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.830732][ T335] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.830733][ T335] vprintk_emit (kernel/printk/printk.c:2479) [ 36.830735][ T335] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.830737][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830738][ T335] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.830741][ T335] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.830743][ T335] _printk (kernel/printk/printk.c:2504) [ 36.830746][ T335] ? snapshot_read.cold (user.c:?) [ 36.830748][ T335] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 36.830751][ T335] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.830754][ T335] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 36.830757][ T335] br_device_event (net/bridge/br.c:111) [ 36.830760][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.830763][ T335] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.830765][ T335] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 36.830768][ T335] notifier_call_chain (kernel/notifier.c:85) [ 36.830771][ T335] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 36.830775][ T335] ? netif_change_name (net/core/dev.c:1517) [ 36.830776][ T335] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 36.830778][ T335] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 36.830780][ T335] ? __kernel_text_address (kernel/extable.c:79) [ 36.830782][ T335] ? write_profile (profile.c:?) [ 36.830785][ T335] netif_change_flags (net/core/dev.c:9882) [ 36.830787][ T335] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 36.830791][ T335] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.830792][ T335] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.830794][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830795][ T335] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.830798][ T335] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.830800][ T335] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.830801][ T335] ? kasan_save_track (mm/kasan/common.c:78) [ 36.830802][ T335] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.830803][ T335] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 36.830805][ T335] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 36.830807][ T335] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.830808][ T335] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.830811][ T335] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.830813][ T335] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.830814][ T335] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.830816][ T335] ? ___sys_sendmsg (net/socket.c:2767) [ 36.830818][ T335] ? __sys_sendmsg (net/socket.c:2799) [ 36.830819][ T335] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.830821][ T335] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.830824][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830825][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.830827][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830828][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830829][ T335] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.830831][ T335] ? __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) [ 36.830832][ T335] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.830834][ T335] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.830836][ T335] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.830838][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.830840][ T335] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.830843][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830844][ T335] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.830846][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.830847][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830849][ T335] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 36.830851][ T335] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 36.830853][ T335] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.830854][ T335] ? __kernel_text_address (kernel/extable.c:79) [ 36.830856][ T335] ? write_profile (profile.c:?) [ 36.830857][ T335] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.830860][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830862][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830863][ T335] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.830866][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.830868][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830869][ T335] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.830871][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.830873][ T335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.830875][ T335] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.830876][ T335] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.830879][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.830880][ T335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.830882][ T335] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.830884][ T335] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.830885][ T335] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 36.830888][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830889][ T335] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.830891][ T335] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.830893][ T335] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.830895][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830896][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830897][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.830899][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.830901][ T335] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.830903][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830904][ T335] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.830907][ T335] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.830908][ T335] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.830909][ T335] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.830910][ T335] ? move_addr_to_kernel (net/socket.c:258) [ 36.830912][ T335] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.830914][ T335] ___sys_sendmsg (net/socket.c:2767) [ 36.830916][ T335] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.830920][ T335] __sys_sendmsg (net/socket.c:2799) [ 36.830922][ T335] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.830924][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.830926][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.830927][ T335] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.830929][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.830931][ T335] RIP: 0033:0x7fc15448654e [ 36.830933][ T335] 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 [ 36.830935][ T335] RSP: 002b:00007ffc720e8cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.830938][ T335] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc15448654e [ 36.830940][ T335] RDX: 0000000000000000 RSI: 00007ffc720e8d70 RDI: 0000000000000005 [ 36.830940][ T335] RBP: 00007ffc720e8cd0 R08: 0000000000000000 R09: 0000000000000000 [ 36.830941][ T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130af [ 36.830942][ T335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc720e9430 | [ 38.915562][ T39] softirqs last disabled at (49380): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 38.915565][ T39] Preemption disabled at: | [ 38.915565][ T39] 0x0 | [ 38.915575][ T39] Tainted: [W]=WARN [ 38.915576][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.915578][ T39] Workqueue: events_unbound linkwatch_event [ 38.915585][ T39] Call Trace: [ 38.915586][ T39] [ 38.915588][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.915593][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 38.915597][ T39] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 38.915601][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.915604][ T39] ? record_print_text (kernel/printk/printk.c:1467) [ 38.915608][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.915611][ 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)) [ 38.915615][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.915616][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.915621][ 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) [ 38.915622][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.915624][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 38.915627][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.915629][ T39] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 38.915632][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.915636][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.915638][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.915639][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.915641][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.915643][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.915646][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.915647][ T39] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 38.915649][ T39] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 38.915650][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.915652][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.915653][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.915654][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.915656][ T39] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.915658][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.915660][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.915662][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.915663][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.915665][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.915666][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.915668][ T39] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.915669][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.915671][ T39] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 38.915673][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.915675][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.915677][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 38.915678][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.915680][ T39] ? 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) [ 38.915682][ T39] _printk (kernel/printk/printk.c:2504) [ 38.915685][ T39] ? snapshot_read.cold (user.c:?) [ 38.915686][ T39] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 38.915689][ T39] ? port_cost (net/bridge/br_if.c:40) [ 38.915693][ T39] ? br_multicast_flood (??:?) [ 38.915695][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.915697][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 38.915700][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 38.915701][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 38.915704][ T39] br_device_event (net/bridge/br.c:101) [ 38.915710][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.915712][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 38.915715][ T39] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 38.915717][ T39] notifier_call_chain (kernel/notifier.c:85) [ 38.915721][ T39] netif_state_change (net/core/dev.c:1625) [ 38.915724][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.915726][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 38.915728][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 38.915730][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.915732][ T39] ? debug_object_active_state (lib/debugobjects.c:1122) [ 38.915736][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 38.915738][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 38.915741][ T39] process_one_work (kernel/workqueue.c:3387) [ 38.915744][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.915746][ T39] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.915748][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.915750][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.915753][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.915754][ T39] kthread (kernel/kthread.c:436) [ 38.915756][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.915759][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.915762][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.915765][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.915767][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.915770][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.915772][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.207697][ T343] softirqs last disabled at (0): 0x0 | [ 40.207699][ T343] Preemption disabled at: | [ 40.207700][ T343] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.207712][ T343] Tainted: [W]=WARN [ 40.207713][ T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.207715][ T343] Call Trace: [ 40.207717][ T343] [ 40.207718][ T343] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.207723][ T343] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.207725][ T343] __might_resched.cold (kernel/sched/core.c:9234) [ 40.207728][ T343] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.207731][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207734][ T343] __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)) [ 40.207738][ T343] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.207741][ T343] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.207745][ T343] ? 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) [ 40.207747][ T343] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.207749][ T343] put_chars (drivers/char/virtio_console.c:1176) [ 40.207752][ T343] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.207754][ T343] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 40.207756][ T343] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 40.207758][ T343] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 40.207760][ T343] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.207763][ T343] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 40.207766][ T343] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.207767][ T343] ? 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) [ 40.207769][ T343] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.207770][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207771][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.207774][ T343] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.207776][ T343] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.207778][ T343] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 40.207780][ T343] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 40.207782][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207784][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207785][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207786][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.207788][ T343] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 40.207789][ T343] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.207791][ T343] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.207794][ T343] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.207795][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.207797][ T343] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.207798][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207799][ T343] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.207801][ T343] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.207802][ T343] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 40.207804][ T343] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.207806][ T343] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.207808][ T343] vprintk_emit (kernel/printk/printk.c:2479) [ 40.207810][ T343] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.207811][ T343] ? 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) [ 40.207813][ T343] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.207814][ T343] _printk (kernel/printk/printk.c:2504) [ 40.207817][ T343] ? snapshot_read.cold (user.c:?) [ 40.207819][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207820][ T343] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.207823][ T343] ? 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) [ 40.207824][ T343] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 40.207826][ T343] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.207828][ T343] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.207830][ T343] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.207832][ T343] ? netdev_notice (net/core/dev.c:13194) [ 40.207834][ T343] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 40.207837][ T343] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 40.207839][ T343] ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40) [ 40.207840][ T343] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 40.207845][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.207847][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207848][ T343] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 40.207851][ T343] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 40.207853][ T343] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 40.207854][ T343] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 40.207855][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207858][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 40.207861][ T343] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.207865][ T343] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 40.207866][ T343] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 40.207869][ T343] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 40.207871][ T343] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 40.207874][ T343] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 40.207875][ T343] ? 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) [ 40.207877][ T343] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 40.207880][ T343] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 40.207882][ T343] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 40.207884][ T343] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.207886][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207887][ T343] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.207889][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207895][ T343] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 40.207898][ T343] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.207900][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207901][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207903][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.207904][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207906][ T343] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.207907][ T343] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 40.207910][ T343] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 40.207911][ T343] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 40.207914][ T343] ? __kernel_text_address (kernel/extable.c:79) [ 40.207916][ T343] ? write_profile (profile.c:?) [ 40.207918][ T343] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 40.207920][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207921][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207923][ T343] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 40.207926][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.207928][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207929][ T343] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.207931][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.207934][ T343] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.207935][ T343] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.207937][ T343] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 40.207941][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.207944][ T343] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.207945][ T343] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.207947][ T343] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.207949][ T343] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 40.207951][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207952][ T343] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.207955][ T343] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.207957][ T343] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.207958][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207959][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207961][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.207963][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.207965][ T343] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.207967][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207968][ T343] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.207970][ T343] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 40.207973][ T343] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.207975][ T343] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 40.207976][ T343] ? move_addr_to_kernel (net/socket.c:258) [ 40.207977][ T343] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.207980][ T343] ___sys_sendmsg (net/socket.c:2767) [ 40.207981][ T343] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.207986][ T343] __sys_sendmsg (net/socket.c:2799) [ 40.207988][ T343] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.207990][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.207992][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.207994][ T343] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.207996][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.207997][ T343] RIP: 0033:0x7fde298de54e [ 40.207999][ T343] 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 [ 40.208001][ T343] RSP: 002b:00007ffc477eac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.208005][ T343] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde298de54e [ 40.208006][ T343] RDX: 0000000000000000 RSI: 00007ffc477ead00 RDI: 0000000000000005 [ 40.208007][ T343] RBP: 00007ffc477eac60 R08: 0000000000000000 R09: 0000000000000000 [ 40.208008][ T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130b2 [ 40.208009][ T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc477eb3c0 | [ 41.694879][ T357] softirqs last disabled at (0): 0x0 | [ 41.694881][ T357] Preemption disabled at: | [ 41.694882][ T357] 0x0 | [ 41.694890][ T357] Tainted: [W]=WARN [ 41.694891][ T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.694893][ T357] Call Trace: [ 41.694894][ T357] [ 41.694896][ T357] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.694900][ T357] __might_resched.cold (kernel/sched/core.c:9234) [ 41.694904][ T357] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.694907][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.694911][ T357] __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)) [ 41.694915][ T357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.694917][ T357] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.694921][ T357] ? 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) [ 41.694922][ T357] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.694925][ T357] put_chars (drivers/char/virtio_console.c:1176) [ 41.694928][ T357] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 41.694930][ T357] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.694933][ T357] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.694938][ T357] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.694939][ T357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.694941][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.694944][ T357] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.694946][ T357] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.694948][ T357] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 41.694950][ T357] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 41.694952][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.694953][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.694955][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.694956][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.694958][ T357] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 41.694959][ T357] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.694961][ T357] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.694964][ T357] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.694965][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.694967][ T357] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.694968][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.694969][ T357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.694971][ T357] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.694973][ T357] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 41.694974][ T357] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.694977][ T357] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.694978][ T357] vprintk_emit (kernel/printk/printk.c:2479) [ 41.694980][ T357] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.694982][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.694983][ T357] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.694986][ T357] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 41.694988][ T357] _printk (kernel/printk/printk.c:2504) [ 41.694991][ T357] ? snapshot_read.cold (user.c:?) [ 41.694993][ T357] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 41.694996][ T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.694999][ T357] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 41.695002][ T357] br_device_event (net/bridge/br.c:111) [ 41.695004][ T357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 41.695007][ T357] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.695009][ T357] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 41.695012][ T357] notifier_call_chain (kernel/notifier.c:85) [ 41.695016][ T357] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 41.695020][ T357] ? netif_change_name (net/core/dev.c:1517) [ 41.695021][ T357] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 41.695023][ T357] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 41.695025][ T357] ? __kernel_text_address (kernel/extable.c:79) [ 41.695027][ T357] ? write_profile (profile.c:?) [ 41.695031][ T357] netif_change_flags (net/core/dev.c:9882) [ 41.695033][ T357] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 41.695036][ T357] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.695038][ T357] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.695039][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695041][ T357] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 41.695044][ T357] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.695046][ T357] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.695047][ T357] ? kasan_save_track (mm/kasan/common.c:78) [ 41.695048][ T357] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 41.695049][ T357] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 41.695051][ T357] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 41.695052][ T357] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.695054][ T357] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.695057][ T357] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.695058][ T357] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.695060][ T357] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.695062][ T357] ? ___sys_sendmsg (net/socket.c:2767) [ 41.695063][ T357] ? __sys_sendmsg (net/socket.c:2799) [ 41.695065][ T357] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.695067][ T357] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.695070][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695071][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.695073][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695074][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695075][ T357] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.695077][ T357] ? __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) [ 41.695078][ T357] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.695080][ T357] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.695082][ T357] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.695084][ T357] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.695086][ T357] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.695088][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695090][ T357] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.695091][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.695093][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695095][ T357] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 41.695098][ T357] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 41.695099][ T357] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 41.695100][ T357] ? __kernel_text_address (kernel/extable.c:79) [ 41.695102][ T357] ? write_profile (profile.c:?) [ 41.695103][ T357] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 41.695106][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695108][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695109][ T357] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 41.695112][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.695114][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695115][ T357] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.695117][ T357] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.695119][ T357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.695121][ T357] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.695123][ T357] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 41.695125][ T357] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.695126][ T357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.695128][ T357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.695130][ T357] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.695131][ T357] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 41.695134][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695135][ T357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.695137][ T357] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.695139][ T357] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.695141][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695142][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695143][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.695145][ T357] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.695147][ T357] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.695149][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695151][ T357] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.695153][ T357] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.695154][ T357] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.695156][ T357] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 41.695157][ T357] ? move_addr_to_kernel (net/socket.c:258) [ 41.695158][ T357] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.695161][ T357] ___sys_sendmsg (net/socket.c:2767) [ 41.695162][ T357] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.695167][ T357] __sys_sendmsg (net/socket.c:2799) [ 41.695168][ T357] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.695171][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.695173][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.695174][ T357] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.695176][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.695177][ T357] RIP: 0033:0x7faf8770f54e [ 41.695179][ T357] 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 [ 41.695181][ T357] RSP: 002b:00007fff528d2270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.695185][ T357] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faf8770f54e [ 41.695186][ T357] RDX: 0000000000000000 RSI: 00007fff528d2320 RDI: 0000000000000005 [ 41.695187][ T357] RBP: 00007fff528d2280 R08: 0000000000000000 R09: 0000000000000000 [ 41.695188][ T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130b3 [ 41.695189][ T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff528d29e0 | [ 43.760168][ T39] softirqs last disabled at (49380): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 43.760171][ T39] Preemption disabled at: | [ 43.760172][ T39] 0x0 | [ 43.760185][ T39] Tainted: [W]=WARN [ 43.760186][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.760189][ T39] Workqueue: events_unbound linkwatch_event [ 43.760197][ T39] Call Trace: [ 43.760199][ T39] [ 43.760201][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.760207][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 43.760211][ T39] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 43.760216][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.760220][ T39] ? record_print_text (kernel/printk/printk.c:1467) [ 43.760224][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.760229][ 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)) [ 43.760233][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.760235][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.760241][ 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) [ 43.760243][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.760246][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 43.760250][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.760253][ T39] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 43.760257][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.760263][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.760266][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.760268][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.760270][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.760274][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.760277][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.760279][ T39] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 43.760282][ T39] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 43.760284][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.760286][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.760288][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.760290][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.760293][ T39] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 43.760295][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.760299][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.760302][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.760304][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.760307][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.760309][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.760311][ T39] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.760313][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.760316][ T39] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 43.760318][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.760321][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.760324][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 43.760327][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.760329][ T39] ? 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) [ 43.760332][ T39] _printk (kernel/printk/printk.c:2504) [ 43.760336][ T39] ? snapshot_read.cold (user.c:?) [ 43.760338][ T39] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 43.760342][ T39] ? port_cost (net/bridge/br_if.c:40) [ 43.760346][ T39] ? br_multicast_flood (??:?) [ 43.760350][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.760353][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 43.760357][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 43.760359][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 43.760363][ T39] br_device_event (net/bridge/br.c:101) [ 43.760367][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.760369][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 43.760373][ T39] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 43.760377][ T39] notifier_call_chain (kernel/notifier.c:85) [ 43.760382][ T39] netif_state_change (net/core/dev.c:1625) [ 43.760393][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.760396][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 43.760399][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 43.760402][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.760405][ T39] ? debug_object_active_state (lib/debugobjects.c:1122) [ 43.760410][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 43.760413][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 43.760417][ T39] process_one_work (kernel/workqueue.c:3387) [ 43.760422][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.760424][ T39] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.760427][ T39] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.760431][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.760435][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.760437][ T39] kthread (kernel/kthread.c:436) [ 43.760440][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.760444][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.760447][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.760451][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.760454][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.760458][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.760461][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.070287][ T365] softirqs last disabled at (0): 0x0 | [ 45.070289][ T365] Preemption disabled at: | [ 45.070289][ T365] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.070300][ T365] Tainted: [W]=WARN [ 45.070301][ T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.070303][ T365] Call Trace: [ 45.070304][ T365] [ 45.070305][ T365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.070310][ T365] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.070312][ T365] __might_resched.cold (kernel/sched/core.c:9234) [ 45.070316][ T365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.070318][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070322][ T365] __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)) [ 45.070326][ T365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.070328][ T365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.070332][ T365] ? 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) [ 45.070333][ T365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.070336][ T365] put_chars (drivers/char/virtio_console.c:1176) [ 45.070339][ T365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.070341][ T365] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 45.070343][ T365] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 45.070344][ T365] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 45.070346][ T365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.070350][ T365] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 45.070352][ T365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.070354][ T365] ? 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) [ 45.070355][ T365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.070356][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070358][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.070361][ T365] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.070363][ T365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.070364][ T365] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 45.070366][ T365] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 45.070368][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070370][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070371][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070372][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.070374][ T365] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.070375][ T365] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.070378][ T365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.070380][ T365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.070381][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.070383][ T365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.070385][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070386][ T365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.070393][ T365] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.070395][ T365] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 45.070397][ T365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.070399][ T365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.070401][ T365] vprintk_emit (kernel/printk/printk.c:2479) [ 45.070403][ T365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.070404][ T365] ? 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) [ 45.070405][ T365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.070407][ T365] _printk (kernel/printk/printk.c:2504) [ 45.070410][ T365] ? snapshot_read.cold (user.c:?) [ 45.070411][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070413][ T365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.070416][ T365] ? 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) [ 45.070417][ T365] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 45.070418][ T365] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.070421][ T365] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.070423][ T365] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.070424][ T365] ? netdev_notice (net/core/dev.c:13194) [ 45.070426][ T365] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 45.070430][ T365] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 45.070432][ T365] ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40) [ 45.070433][ T365] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 45.070437][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.070439][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070440][ T365] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 45.070443][ T365] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 45.070445][ T365] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 45.070446][ T365] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 45.070448][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070450][ T365] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 45.070453][ T365] ? packet_sendmsg_spkt (af_packet.c:?) [ 45.070457][ T365] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 45.070458][ T365] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 45.070461][ T365] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 45.070463][ T365] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 45.070466][ T365] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 45.070468][ T365] ? 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) [ 45.070470][ T365] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 45.070472][ T365] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 45.070475][ T365] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 45.070477][ T365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.070478][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070480][ T365] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.070482][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070487][ T365] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 45.070490][ T365] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.070492][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070494][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070495][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.070497][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070498][ T365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.070500][ T365] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 45.070502][ T365] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 45.070504][ T365] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.070507][ T365] ? __kernel_text_address (kernel/extable.c:79) [ 45.070508][ T365] ? write_profile (profile.c:?) [ 45.070511][ T365] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 45.070513][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070514][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070516][ T365] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 45.070519][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.070521][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070522][ T365] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.070524][ T365] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.070527][ T365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.070528][ T365] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.070530][ T365] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 45.070534][ T365] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.070537][ T365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.070538][ T365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.070540][ T365] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.070542][ T365] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 45.070544][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070545][ T365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.070548][ T365] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.070550][ T365] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.070551][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070552][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070554][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.070556][ T365] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.070558][ T365] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.070560][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070561][ T365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.070563][ T365] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 45.070566][ T365] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.070567][ T365] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 45.070569][ T365] ? move_addr_to_kernel (net/socket.c:258) [ 45.070570][ T365] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.070573][ T365] ___sys_sendmsg (net/socket.c:2767) [ 45.070574][ T365] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.070579][ T365] __sys_sendmsg (net/socket.c:2799) [ 45.070580][ T365] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.070583][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.070584][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.070586][ T365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.070588][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.070590][ T365] RIP: 0033:0x7f0e02da954e [ 45.070592][ T365] 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 [ 45.070593][ T365] RSP: 002b:00007ffe14215ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.070597][ T365] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0e02da954e [ 45.070598][ T365] RDX: 0000000000000000 RSI: 00007ffe14215c50 RDI: 0000000000000005 [ 45.070599][ T365] RBP: 00007ffe14215bb0 R08: 0000000000000000 R09: 0000000000000000 [ 45.070600][ T365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130b7 Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning inet6_fill_ifla6_attrs:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars