====================================== | [ 9.120482][ T180] softirqs last disabled at (37503): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.120485][ T180] Preemption disabled at: | [ 9.120486][ T180] 0x0 | [ 9.120499][ T180] Tainted: [W]=WARN [ 9.120500][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.120502][ T180] Call Trace: [ 9.120504][ T180] [ 9.120506][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.120513][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.120519][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.120524][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.120531][ T180] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.120535][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.120544][ T180] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.120547][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.120552][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.120557][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.120560][ T180] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.120565][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.120569][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.120577][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.120582][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.120584][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.120592][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.120597][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.120601][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.120608][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.120613][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.120620][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.120623][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.120630][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.120636][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.120638][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.120647][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.120651][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.120653][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.120656][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.120662][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.120665][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.120670][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.120675][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.120680][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.120686][ T180] _printk (kernel/printk/printk.c:2504) [ 9.120691][ T180] ? snapshot_read.cold (user.c:?) [ 9.120696][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.120699][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.120705][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.120708][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.120714][ T180] ? exit_notify (kernel/exit.c:780) [ 9.120716][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.120720][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.120727][ T180] do_group_exit (kernel/exit.c:1151) [ 9.120731][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.120734][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.120738][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.120742][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.120746][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.120749][ T180] RIP: 0033:0x7fc4cc3231b8 [ 9.120752][ T180] Code: Unable to access opcode bytes at 0x7fc4cc32318e. Code starting with the faulting instruction =========================================== [ 9.120754][ T180] RSP: 002b:00007ffde71b6058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.120757][ T180] RAX: ffffffffffffffda RBX: 00007fc4cc453f88 RCX: 00007fc4cc3231b8 [ 9.120759][ T180] RDX: 00007fc4cc06dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.120761][ T180] RBP: 00007ffde71b60b0 R08: 0000000000000000 R09: 0000000000008010 [ 9.120762][ T180] R10: 00007ffde71b5e70 R11: 0000000000000246 R12: 0000000000000001 [ 9.120763][ T180] R13: 0000000000000000 R14: 00007fc4cc452680 R15: 00007fc4cc453fa0 | [ 10.158035][ T210] softirqs last disabled at (31822): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.158037][ T210] Preemption disabled at: | [ 10.158038][ T210] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.158047][ T210] Tainted: [W]=WARN [ 10.158048][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.158050][ T210] Call Trace: [ 10.158051][ T210] [ 10.158053][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.158058][ T210] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.158060][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 10.158065][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.158069][ T210] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.158074][ T210] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.158077][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.158083][ T210] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.158086][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.158089][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 10.158092][ T210] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 10.158095][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.158101][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.158108][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.158112][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.158117][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.158120][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.158124][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158128][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.158132][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.158136][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.158137][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158143][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.158145][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.158147][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158149][ T210] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.158153][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.158155][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.158158][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 10.158161][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.158162][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.158166][ T210] ? xdp_set_features_flag (./include/linux/netdevice.h:2861 net/core/xdp.c:1015) [ 10.158172][ T210] _printk (kernel/printk/printk.c:2504) [ 10.158175][ T210] ? snapshot_read.cold (user.c:?) [ 10.158179][ T210] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.158181][ T210] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.158184][ T210] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.158187][ T210] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.158190][ T210] ? netdev_notice (net/core/dev.c:13194) [ 10.158194][ T210] ? bond_lower_state_changed (drivers/net/bonding/bond_main.c:1835) [ 10.158198][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158203][ T210] bond_enslave.cold (drivers/net/bonding/bond_main.c:2342 (discriminator 7)) [ 10.158212][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.158214][ T210] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) [ 10.158215][ T210] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.158217][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158219][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.158224][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158231][ T210] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.158235][ T210] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.158240][ T210] do_set_master (net/core/rtnetlink.c:3071) [ 10.158244][ T210] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.158248][ T210] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.158252][ T210] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.158253][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.158257][ T210] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.158260][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.158262][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.158264][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.158267][ T210] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.158269][ T210] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.158270][ T210] ? kasan_save_track (mm/kasan/common.c:78) [ 10.158273][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158275][ T210] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 10.158278][ T210] ? ___sys_sendmsg (net/socket.c:2757) [ 10.158282][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158284][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.158287][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158289][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.158291][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158293][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158295][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.158297][ T210] ? __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) [ 10.158298][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.158300][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.158304][ T210] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.158306][ T210] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.158312][ T210] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.158318][ T210] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.158323][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.158326][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158331][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158333][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.158335][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.158337][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158341][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.158344][ T210] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.158347][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.158349][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158354][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158356][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.158360][ T210] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.158362][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.158365][ T210] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.158371][ T210] ? 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)) [ 10.158373][ T210] ? 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)) [ 10.158377][ T210] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.158387][ T210] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.158390][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158394][ T210] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.158398][ T210] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.158402][ T210] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.158408][ T210] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.158410][ T210] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.158412][ T210] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.158413][ T210] ? move_addr_to_kernel (net/socket.c:258) [ 10.158420][ T210] ___sys_sendmsg (net/socket.c:2767) [ 10.158423][ T210] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.158438][ T210] __sys_sendmsg (net/socket.c:2799) [ 10.158441][ T210] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.158447][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158450][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.158452][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.158456][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.158458][ T210] RIP: 0033:0x7f0ed40ea54e [ 10.158462][ T210] 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 [ 10.158464][ T210] RSP: 002b:00007ffc4a449100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.158467][ T210] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ed40ea54e [ 10.158468][ T210] RDX: 0000000000000000 RSI: 00007ffc4a4491b0 RDI: 0000000000000005 [ 10.158469][ T210] RBP: 00007ffc4a449110 R08: 0000000000000000 R09: 0000000000000000 [ 10.158470][ T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c10 [ 10.158471][ T210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4a449870 | [ 11.451900][ T217] softirqs last disabled at (30414): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 11.451903][ T217] Preemption disabled at: | [ 11.451904][ T217] 0x0 | [ 11.451914][ T217] Tainted: [W]=WARN [ 11.451915][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.451916][ T217] Call Trace: [ 11.451918][ T217] [ 11.451920][ T217] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.451926][ T217] __might_resched.cold (kernel/sched/core.c:9234) [ 11.451930][ T217] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.451934][ T217] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.451940][ T217] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.451942][ T217] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.451949][ T217] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.451951][ T217] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.451955][ T217] put_chars (drivers/char/virtio_console.c:1176) [ 11.451957][ T217] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 11.451960][ T217] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.451967][ T217] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.451975][ T217] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.451978][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.451983][ T217] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.451986][ T217] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.451991][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.451994][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.452001][ T217] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.452005][ T217] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.452007][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.452013][ T217] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.452015][ T217] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.452016][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.452018][ T217] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.452022][ T217] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.452024][ T217] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.452027][ T217] vprintk_emit (kernel/printk/printk.c:2479) [ 11.452031][ T217] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.452032][ T217] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.452035][ T217] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.452037][ T217] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.452042][ T217] _printk (kernel/printk/printk.c:2504) [ 11.452046][ T217] ? snapshot_read.cold (user.c:?) [ 11.452053][ T217] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.452057][ T217] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 11.452062][ T217] br_device_event (net/bridge/br.c:111) [ 11.452064][ T217] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.452068][ T217] ? packet_sendmsg_spkt (af_packet.c:?) [ 11.452074][ T217] notifier_call_chain (kernel/notifier.c:85) [ 11.452080][ T217] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 11.452084][ T217] ? netif_change_name (net/core/dev.c:1517) [ 11.452087][ T217] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 11.452090][ T217] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.452093][ T217] ? __kernel_text_address (kernel/extable.c:79) [ 11.452095][ T217] ? write_profile (profile.c:?) [ 11.452100][ T217] netif_change_flags (net/core/dev.c:9882) [ 11.452104][ T217] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 11.452108][ T217] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.452110][ T217] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.452112][ T217] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.452114][ T217] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.452117][ T217] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.452119][ T217] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.452121][ T217] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.452124][ T217] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.452127][ T217] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.452128][ T217] ? kasan_save_track (mm/kasan/common.c:78) [ 11.452130][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.452132][ T217] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 11.452135][ T217] ? ___sys_sendmsg (net/socket.c:2757) [ 11.452140][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.452142][ T217] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.452145][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.452147][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.452149][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.452150][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.452152][ T217] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.452155][ T217] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.452156][ T217] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.452158][ T217] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.452162][ T217] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.452168][ T217] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.452173][ T217] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.452179][ T217] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.452182][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.452186][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.452189][ T217] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.452191][ T217] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.452193][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.452197][ T217] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.452200][ T217] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.452204][ T217] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.452205][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.452210][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.452212][ T217] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.452216][ T217] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.452218][ T217] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.452221][ T217] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.452228][ T217] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.452229][ T217] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.452234][ T217] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.452238][ T217] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.452240][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.452245][ T217] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.452249][ T217] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.452253][ T217] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.452259][ T217] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.452261][ T217] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.452263][ T217] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.452264][ T217] ? move_addr_to_kernel (net/socket.c:258) [ 11.452272][ T217] ___sys_sendmsg (net/socket.c:2767) [ 11.452274][ T217] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.452290][ T217] __sys_sendmsg (net/socket.c:2799) [ 11.452293][ T217] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.452299][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.452302][ T217] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.452304][ T217] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.452307][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.452310][ T217] RIP: 0033:0x7fc0cbef054e [ 11.452312][ T217] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.452314][ T217] RSP: 002b:00007ffd4dc63c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.452316][ T217] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc0cbef054e [ 11.452318][ T217] RDX: 0000000000000000 RSI: 00007ffd4dc63d30 RDI: 0000000000000005 [ 11.452319][ T217] RBP: 00007ffd4dc63c90 R08: 0000000000000000 R09: 0000000000000000 [ 11.452319][ T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c11 [ 11.452320][ T217] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4dc643f0 | [ 13.569818][ T209] softirqs last disabled at (484): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 13.569821][ T209] Preemption disabled at: | [ 13.569822][ T209] 0x0 | [ 13.569832][ T209] Tainted: [W]=WARN [ 13.569833][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.569834][ T209] Workqueue: events_unbound linkwatch_event [ 13.569838][ T209] Call Trace: [ 13.569840][ T209] [ 13.569842][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.569847][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 13.569852][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.569856][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.569861][ T209] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.569864][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.569870][ T209] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.569873][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.569877][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 13.569880][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.569884][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.569890][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.569897][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.569900][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.569904][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.569909][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.569912][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.569917][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.569919][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.569923][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.569927][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.569928][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.569934][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.569937][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.569938][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.569940][ T209] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.569944][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.569946][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.569949][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 13.569953][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.569955][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.569958][ T209] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.569963][ T209] _printk (kernel/printk/printk.c:2504) [ 13.569967][ T209] ? snapshot_read.cold (user.c:?) [ 13.569972][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.569976][ T209] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.569980][ T209] br_init_port (net/bridge/br_stp_if.c:39) [ 13.569983][ T209] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 13.569985][ T209] br_port_carrier_check (net/bridge/br_if.c:90) [ 13.569989][ T209] br_device_event (net/bridge/br.c:101) [ 13.569993][ T209] ? packet_sendmsg_spkt (af_packet.c:?) [ 13.569995][ T209] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 13.570005][ T209] notifier_call_chain (kernel/notifier.c:85) [ 13.570011][ T209] netif_state_change (net/core/dev.c:1625) [ 13.570016][ T209] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.570021][ T209] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 13.570023][ T209] __linkwatch_run_queue (net/core/link_watch.c:240) [ 13.570027][ T209] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.570030][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.570035][ T209] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 13.570038][ T209] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 13.570042][ T209] process_one_work (kernel/workqueue.c:3387) [ 13.570048][ T209] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.570051][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.570059][ T209] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.570064][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.570066][ T209] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 13.570070][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.570073][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.570074][ T209] kthread (kernel/kthread.c:436) [ 13.570076][ T209] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.570080][ T209] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.570083][ T209] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.570088][ T209] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.570091][ T209] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.570095][ T209] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.570098][ T209] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.960676][ T225] softirqs last disabled at (43478): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.960679][ T225] Preemption disabled at: | [ 14.960679][ T225] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.960689][ T225] Tainted: [W]=WARN [ 14.960689][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.960691][ T225] Call Trace: [ 14.960693][ T225] [ 14.960694][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.960700][ T225] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.960701][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 14.960706][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.960710][ 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) [ 14.960716][ 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)) [ 14.960718][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.960725][ 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) [ 14.960727][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.960731][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 14.960735][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.960738][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.960742][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.960745][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.960750][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.960754][ T225] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.960756][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.960758][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.960762][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.960765][ T225] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.960768][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.960770][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.960774][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.960778][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.960782][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.960784][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.960788][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.960792][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.960793][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.960799][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.960801][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.960803][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.960805][ T225] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.960809][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.960811][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.960813][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 14.960817][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.960818][ T225] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.960825][ T225] _printk (kernel/printk/printk.c:2504) [ 14.960829][ T225] ? snapshot_read.cold (user.c:?) [ 14.960833][ T225] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.960836][ T225] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.960840][ T225] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.960843][ T225] ? netdev_notice (net/core/dev.c:13194) [ 14.960847][ T225] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 14.960850][ T225] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 14.960854][ T225] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 14.960858][ T225] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 14.960863][ T225] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 14.960867][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 14.960869][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.960872][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.960880][ T225] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.960884][ T225] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 14.960886][ T225] ? 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)) [ 14.960888][ T225] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 14.960893][ T225] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 14.960899][ T225] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 14.960901][ T225] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 14.960903][ T225] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 14.960905][ T225] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 14.960912][ T225] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 14.960914][ T225] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.960916][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.960918][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.960920][ T225] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.960943][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.960945][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.960948][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.960950][ T225] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.960953][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.960958][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.960960][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.960962][ T225] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.960964][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.960968][ T225] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.960971][ T225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.960975][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.960976][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.960981][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.960983][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.960987][ T225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.960990][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.960993][ T225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.961002][ 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)) [ 14.961003][ 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)) [ 14.961008][ T225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.961012][ T225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.961014][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.961019][ T225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.961022][ T225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.961026][ T225] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.961032][ T225] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.961036][ T225] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.961038][ T225] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.961039][ T225] ? move_addr_to_kernel (net/socket.c:258) [ 14.961046][ T225] ___sys_sendmsg (net/socket.c:2767) [ 14.961049][ T225] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.961064][ T225] __sys_sendmsg (net/socket.c:2799) [ 14.961067][ T225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.961073][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.961077][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.961080][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.961083][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.961085][ T225] RIP: 0033:0x7f7d832ab54e [ 14.961089][ 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 [ 14.961091][ T225] RSP: 002b:00007ffd195a1250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.961094][ T225] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7d832ab54e [ 14.961095][ T225] RDX: 0000000000000000 RSI: 00007ffd195a1300 RDI: 0000000000000005 [ 14.961096][ T225] RBP: 00007ffd195a1260 R08: 0000000000000000 R09: 0000000000000000 [ 14.961097][ T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c15 [ 14.961097][ T225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd195a19c0 | [ 16.817358][ T240] softirqs last disabled at (36382): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 16.817361][ T240] Preemption disabled at: | [ 16.817361][ T240] 0x0 | [ 16.817375][ T240] Tainted: [W]=WARN [ 16.817376][ T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.817379][ T240] Call Trace: [ 16.817381][ T240] [ 16.817383][ T240] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.817396][ T240] __might_resched.cold (kernel/sched/core.c:9234) [ 16.817402][ T240] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.817407][ T240] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.817415][ T240] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.817418][ T240] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.817428][ T240] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.817430][ T240] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.817436][ T240] put_chars (drivers/char/virtio_console.c:1176) [ 16.817439][ T240] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 16.817443][ T240] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.817455][ T240] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.817467][ T240] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.817472][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.817479][ T240] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.817485][ T240] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.817491][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.817496][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.817503][ T240] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.817509][ T240] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.817511][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.817521][ T240] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.817525][ T240] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.817527][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.817530][ T240] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.817536][ T240] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.817539][ T240] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.817544][ T240] vprintk_emit (kernel/printk/printk.c:2479) [ 16.817549][ T240] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.817551][ T240] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.817555][ T240] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.817559][ T240] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.817566][ T240] _printk (kernel/printk/printk.c:2504) [ 16.817571][ T240] ? snapshot_read.cold (user.c:?) [ 16.817584][ T240] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 16.817590][ T240] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 16.817596][ T240] br_device_event (net/bridge/br.c:111) [ 16.817600][ T240] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 16.817605][ T240] ? packet_sendmsg_spkt (af_packet.c:?) [ 16.817615][ T240] notifier_call_chain (kernel/notifier.c:85) [ 16.817624][ T240] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 16.817631][ T240] ? netif_change_name (net/core/dev.c:1517) [ 16.817634][ T240] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 16.817639][ T240] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 16.817644][ T240] ? __kernel_text_address (kernel/extable.c:79) [ 16.817647][ T240] ? write_profile (profile.c:?) [ 16.817654][ T240] netif_change_flags (net/core/dev.c:9882) [ 16.817660][ T240] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 16.817667][ T240] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.817670][ T240] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.817673][ T240] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.817676][ T240] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.817680][ T240] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.817683][ T240] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.817687][ T240] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.817691][ T240] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.817694][ T240] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.817696][ T240] ? kasan_save_track (mm/kasan/common.c:78) [ 16.817700][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.817703][ T240] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 16.817707][ T240] ? ___sys_sendmsg (net/socket.c:2757) [ 16.817713][ T240] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.817717][ T240] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.817722][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.817725][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.817727][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.817729][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.817732][ T240] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.817736][ T240] ? __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) [ 16.817738][ T240] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.817742][ T240] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.817748][ T240] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.817757][ T240] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.817767][ T240] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.817777][ T240] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.817780][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.817788][ T240] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.817791][ T240] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.817795][ T240] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.817798][ T240] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.817805][ T240] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.817809][ T240] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.817815][ T240] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.817817][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.817825][ T240] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.817828][ T240] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.817835][ T240] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.817837][ T240] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.817843][ T240] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.817854][ T240] ? 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)) [ 16.817856][ T240] ? 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)) [ 16.817864][ T240] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.817870][ T240] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.817874][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.817882][ T240] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.817888][ T240] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.817894][ T240] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.817902][ T240] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.817906][ T240] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.817909][ T240] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.817911][ T240] ? move_addr_to_kernel (net/socket.c:258) [ 16.817923][ T240] ___sys_sendmsg (net/socket.c:2767) [ 16.817928][ T240] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.817955][ T240] __sys_sendmsg (net/socket.c:2799) [ 16.817960][ T240] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.817970][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.817975][ T240] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.817978][ T240] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.817983][ T240] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.817986][ T240] RIP: 0033:0x7f0d4b76c54e [ 16.817990][ T240] 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 [ 16.817992][ T240] RSP: 002b:00007ffeb84f3540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.817996][ T240] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0d4b76c54e [ 16.818000][ T240] RDX: 0000000000000000 RSI: 00007ffeb84f35f0 RDI: 0000000000000005 [ 16.818002][ T240] RBP: 00007ffeb84f3550 R08: 0000000000000000 R09: 0000000000000000 [ 16.818003][ T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c17 [ 16.818004][ T240] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb84f3cb0 | [ 18.969520][ T36] softirqs last disabled at (73940): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.969523][ T36] Preemption disabled at: | [ 18.969524][ T36] 0x0 | [ 18.969534][ T36] Tainted: [W]=WARN [ 18.969535][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.969537][ T36] Workqueue: events_unbound linkwatch_event [ 18.969541][ T36] Call Trace: [ 18.969542][ T36] [ 18.969544][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.969550][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 18.969554][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.969558][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.969563][ T36] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.969566][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.969572][ T36] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.969574][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.969578][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 18.969582][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.969585][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.969591][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.969599][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.969601][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.969605][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.969610][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.969613][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.969618][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.969619][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.969624][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.969628][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.969629][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.969635][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.969637][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.969639][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.969640][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.969644][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.969646][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.969650][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 18.969653][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.969655][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.969658][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.969663][ T36] _printk (kernel/printk/printk.c:2504) [ 18.969667][ T36] ? snapshot_read.cold (user.c:?) [ 18.969672][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.969676][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.969680][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 18.969683][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.969685][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.969689][ T36] br_device_event (net/bridge/br.c:101) [ 18.969692][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.969694][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 18.969701][ T36] notifier_call_chain (kernel/notifier.c:85) [ 18.969707][ T36] netif_state_change (net/core/dev.c:1625) [ 18.969712][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.969716][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.969719][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.969722][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.969725][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.969730][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.969733][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.969737][ T36] process_one_work (kernel/workqueue.c:3387) [ 18.969743][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.969745][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.969753][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.969760][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.969762][ T36] kthread (kernel/kthread.c:436) [ 18.969765][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.969768][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.969772][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.969776][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.969780][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.969783][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.969786][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.210016][ T248] softirqs last disabled at (46086): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 20.210019][ T248] Preemption disabled at: | [ 20.210019][ T248] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.210028][ T248] Tainted: [W]=WARN [ 20.210029][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.210031][ T248] Call Trace: [ 20.210032][ T248] [ 20.210034][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.210040][ T248] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.210041][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 20.210046][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.210049][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.210055][ T248] __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)) [ 20.210057][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.210064][ T248] ? 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) [ 20.210066][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.210070][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 20.210074][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.210077][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.210081][ T248] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.210084][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.210089][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.210093][ T248] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.210095][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210097][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210101][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.210104][ T248] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.210107][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210109][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.210113][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.210117][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.210121][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210123][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.210127][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.210131][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.210132][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210138][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.210140][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.210142][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210144][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.210147][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.210149][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.210152][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 20.210156][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.210157][ T248] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.210164][ T248] _printk (kernel/printk/printk.c:2504) [ 20.210167][ T248] ? snapshot_read.cold (user.c:?) [ 20.210172][ T248] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.210175][ T248] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.210178][ T248] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.210181][ T248] ? netdev_notice (net/core/dev.c:13194) [ 20.210185][ T248] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 20.210188][ T248] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 20.210193][ T248] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 20.210196][ T248] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 20.210202][ T248] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 20.210205][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 20.210208][ T248] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.210211][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.210218][ T248] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.210222][ T248] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 20.210223][ T248] ? 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)) [ 20.210226][ T248] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 20.210231][ T248] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 20.210237][ T248] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 20.210239][ T248] ? 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) [ 20.210241][ T248] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 20.210242][ T248] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 20.210249][ T248] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 20.210251][ T248] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.210253][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210255][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210258][ T248] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.210280][ T248] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.210282][ T248] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.210285][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.210287][ T248] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.210290][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210294][ T248] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.210296][ T248] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.210299][ T248] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.210301][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.210305][ T248] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.210308][ T248] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.210311][ T248] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.210313][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210318][ T248] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.210320][ T248] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.210324][ T248] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.210327][ T248] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.210330][ T248] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.210337][ T248] ? 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)) [ 20.210338][ T248] ? 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)) [ 20.210342][ T248] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.210346][ T248] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.210349][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210353][ T248] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.210357][ T248] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.210361][ T248] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 20.210367][ T248] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 20.210371][ T248] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.210373][ T248] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 20.210374][ T248] ? move_addr_to_kernel (net/socket.c:258) [ 20.210381][ T248] ___sys_sendmsg (net/socket.c:2767) [ 20.210384][ T248] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.210403][ T248] __sys_sendmsg (net/socket.c:2799) [ 20.210406][ T248] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.210412][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210415][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.210418][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.210421][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.210424][ T248] RIP: 0033:0x7f337ec9c54e [ 20.210428][ T248] 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 [ 20.210430][ T248] RSP: 002b:00007fff3a5c3150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.210432][ T248] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f337ec9c54e [ 20.210434][ T248] RDX: 0000000000000000 RSI: 00007fff3a5c3200 RDI: 0000000000000005 [ 20.210435][ T248] RBP: 00007fff3a5c3160 R08: 0000000000000000 R09: 0000000000000000 [ 20.210435][ T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c1a [ 20.210436][ T248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3a5c38c0 | [ 21.351254][ T236] softirqs last disabled at (4062): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 21.351256][ T236] Preemption disabled at: | [ 21.351257][ T236] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.351266][ T236] Tainted: [W]=WARN [ 21.351267][ T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.351269][ T236] Workqueue: bond0 bond_mii_monitor [ 21.351273][ T236] Call Trace: [ 21.351274][ T236] [ 21.351278][ T236] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.351283][ T236] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.351285][ T236] __might_resched.cold (kernel/sched/core.c:9234) [ 21.351289][ T236] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.351293][ T236] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.351298][ T236] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.351301][ T236] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.351307][ T236] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.351309][ T236] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.351313][ T236] put_chars (drivers/char/virtio_console.c:1176) [ 21.351316][ T236] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.351318][ T236] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 21.351321][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.351325][ T236] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.351330][ T236] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.351334][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.351335][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.351340][ T236] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.351344][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.351346][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.351350][ T236] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.351354][ T236] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.351358][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.351360][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.351364][ T236] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.351368][ T236] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.351369][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.351374][ T236] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.351377][ T236] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.351378][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.351380][ T236] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.351384][ T236] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.351386][ T236] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.351396][ T236] vprintk_emit (kernel/printk/printk.c:2479) [ 21.351399][ T236] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.351401][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.351404][ T236] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 21.351409][ T236] _printk (kernel/printk/printk.c:2504) [ 21.351413][ T236] ? snapshot_read.cold (user.c:?) [ 21.351417][ T236] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.351420][ T236] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.351424][ T236] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.351426][ T236] ? netdev_notice (net/core/dev.c:13194) [ 21.351430][ T236] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 21.351437][ T236] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 21.351443][ T236] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 21.351445][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.351447][ T236] ? wait_for_completion_io (kernel/sched/completion.c:98 (discriminator 8) kernel/sched/completion.c:121 (discriminator 8) kernel/sched/completion.c:138 (discriminator 8) kernel/sched/completion.c:186 (discriminator 8)) [ 21.351450][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.351452][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.351457][ T236] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 21.351458][ T236] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 21.351461][ T236] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 21.351463][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.351464][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.351466][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.351469][ T236] ? process_one_work (kernel/workqueue.c:3386) [ 21.351471][ T236] process_one_work (kernel/workqueue.c:3387) [ 21.351476][ T236] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.351479][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.351486][ T236] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.351490][ T236] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.351492][ T236] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 21.351495][ T236] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.351497][ T236] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.351499][ T236] kthread (kernel/kthread.c:436) [ 21.351501][ T236] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.351505][ T236] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.351508][ T236] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.351512][ T236] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.351515][ T236] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.351519][ T236] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.351522][ T236] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 24.117496][ T38] softirqs last disabled at (98506): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 24.117499][ T38] Preemption disabled at: | [ 24.117500][ T38] 0x0 | [ 24.117510][ T38] Tainted: [W]=WARN [ 24.117511][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.117513][ T38] Workqueue: events_unbound linkwatch_event [ 24.117516][ T38] Call Trace: [ 24.117518][ T38] [ 24.117520][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.117525][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 24.117530][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.117533][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.117539][ T38] __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)) [ 24.117541][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.117548][ T38] ? 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) [ 24.117550][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.117554][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 24.117557][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.117561][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.117567][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.117574][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.117577][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.117581][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.117585][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.117589][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.117593][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.117595][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.117599][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.117603][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.117604][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.117610][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.117612][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.117614][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.117616][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.117620][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.117622][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.117625][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 24.117628][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.117630][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.117633][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.117638][ T38] _printk (kernel/printk/printk.c:2504) [ 24.117642][ T38] ? snapshot_read.cold (user.c:?) [ 24.117647][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.117651][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.117655][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 24.117658][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 24.117660][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 24.117664][ T38] br_device_event (net/bridge/br.c:101) [ 24.117667][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.117669][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 24.117675][ T38] notifier_call_chain (kernel/notifier.c:85) [ 24.117682][ T38] netif_state_change (net/core/dev.c:1625) [ 24.117686][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.117691][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 24.117693][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 24.117697][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.117699][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.117704][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 24.117707][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 24.117710][ T38] process_one_work (kernel/workqueue.c:3387) [ 24.117717][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.117719][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.117727][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.117734][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.117735][ T38] kthread (kernel/kthread.c:436) [ 24.117738][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.117742][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.117745][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.117749][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.117753][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.117756][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.117760][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.486706][ T270] softirqs last disabled at (40892): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 25.486708][ T270] Preemption disabled at: | [ 25.486709][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.486718][ T270] Tainted: [W]=WARN [ 25.486719][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.486720][ T270] Call Trace: [ 25.486722][ T270] [ 25.486723][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.486728][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.486730][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 25.486735][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.486739][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.486744][ T270] __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)) [ 25.486747][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.486753][ T270] ? 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) [ 25.486755][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.486759][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 25.486762][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.486766][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.486770][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.486773][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.486777][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.486781][ T270] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.486783][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.486785][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.486789][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.486792][ T270] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 25.486795][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.486797][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.486801][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.486804][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.486808][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.486810][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.486814][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.486818][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.486820][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.486825][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.486827][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.486829][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.486831][ T270] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.486835][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.486837][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.486840][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 25.486843][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.486844][ T270] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.486851][ T270] _printk (kernel/printk/printk.c:2504) [ 25.486855][ T270] ? snapshot_read.cold (user.c:?) [ 25.486859][ T270] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.486862][ T270] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.486866][ T270] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.486868][ T270] ? netdev_notice (net/core/dev.c:13194) [ 25.486873][ T270] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 25.486876][ T270] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 25.486880][ T270] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 25.486884][ T270] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 25.486889][ T270] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 25.486893][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 25.486895][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.486898][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.486905][ T270] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.486909][ T270] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 25.486911][ T270] ? 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)) [ 25.486914][ T270] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 25.486919][ T270] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 25.486924][ T270] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 25.486926][ T270] ? 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) [ 25.486928][ T270] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 25.486930][ T270] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 25.486936][ T270] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 25.486939][ T270] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.486941][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.486942][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.486945][ T270] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.486967][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.486969][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.486972][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.486974][ T270] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.486976][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.486981][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.486983][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.486985][ T270] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.486988][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.486992][ T270] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.486994][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.487000][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.487002][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.487007][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.487009][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.487012][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.487015][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.487019][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.487025][ T270] ? 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)) [ 25.487026][ T270] ? 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)) [ 25.487030][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.487034][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.487037][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.487041][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.487045][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.487049][ T270] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 25.487054][ T270] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 25.487057][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.487060][ T270] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 25.487061][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 25.487068][ T270] ___sys_sendmsg (net/socket.c:2767) [ 25.487071][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.487086][ T270] __sys_sendmsg (net/socket.c:2799) [ 25.487088][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.487094][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.487097][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.487100][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.487103][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.487105][ T270] RIP: 0033:0x7f6ae737554e [ 25.487109][ T270] 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 [ 25.487111][ T270] RSP: 002b:00007fff8c2b6a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.487114][ T270] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6ae737554e [ 25.487115][ T270] RDX: 0000000000000000 RSI: 00007fff8c2b6b20 RDI: 0000000000000005 [ 25.487116][ T270] RBP: 00007fff8c2b6a80 R08: 0000000000000000 R09: 0000000000000000 [ 25.487117][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c1f [ 25.487118][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8c2b71e0 | [ 27.023262][ T73] softirqs last disabled at (17140): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 27.023264][ T73] Preemption disabled at: | [ 27.023265][ T73] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.023274][ T73] Tainted: [W]=WARN [ 27.023275][ T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.023277][ T73] Workqueue: bond0 bond_mii_monitor [ 27.023280][ T73] Call Trace: [ 27.023282][ T73] [ 27.023285][ T73] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.023290][ T73] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.023292][ T73] __might_resched.cold (kernel/sched/core.c:9234) [ 27.023296][ T73] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.023300][ T73] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.023305][ T73] __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)) [ 27.023308][ T73] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.023314][ T73] ? 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) [ 27.023316][ T73] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.023320][ T73] put_chars (drivers/char/virtio_console.c:1176) [ 27.023323][ T73] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.023325][ T73] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.023328][ T73] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.023332][ T73] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.023337][ T73] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.023342][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.023343][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.023348][ T73] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.023352][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.023354][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.023359][ T73] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.023362][ T73] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.023366][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.023368][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.023372][ T73] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.023376][ T73] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.023378][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.023383][ T73] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.023386][ T73] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.023387][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.023389][ T73] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.023397][ T73] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.023399][ T73] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.023402][ T73] vprintk_emit (kernel/printk/printk.c:2479) [ 27.023406][ T73] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.023407][ T73] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.023411][ T73] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 27.023416][ T73] _printk (kernel/printk/printk.c:2504) [ 27.023419][ T73] ? snapshot_read.cold (user.c:?) [ 27.023423][ T73] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.023427][ T73] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.023430][ T73] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.023433][ T73] ? netdev_notice (net/core/dev.c:13194) [ 27.023436][ T73] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 27.023444][ T73] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 27.023450][ T73] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 27.023451][ T73] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.023454][ T73] ? wait_for_completion_io (kernel/sched/completion.c:98 (discriminator 8) kernel/sched/completion.c:121 (discriminator 8) kernel/sched/completion.c:138 (discriminator 8) kernel/sched/completion.c:186 (discriminator 8)) [ 27.023457][ T73] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.023459][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.023463][ T73] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 27.023465][ T73] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 27.023467][ T73] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 27.023469][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.023471][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.023473][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.023476][ T73] ? process_one_work (kernel/workqueue.c:3386) [ 27.023477][ T73] process_one_work (kernel/workqueue.c:3387) [ 27.023483][ T73] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.023486][ T73] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.023493][ T73] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.023497][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.023498][ T73] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 27.023502][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.023504][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.023506][ T73] kthread (kernel/kthread.c:436) [ 27.023508][ T73] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.023511][ T73] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.023515][ T73] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.023519][ T73] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.023522][ T73] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.023526][ T73] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.023529][ T73] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.344769][ T209] softirqs last disabled at (22698): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 29.344772][ T209] Preemption disabled at: | [ 29.344773][ T209] 0x0 | [ 29.344784][ T209] Tainted: [W]=WARN [ 29.344785][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.344787][ T209] Workqueue: events_unbound linkwatch_event [ 29.344791][ T209] Call Trace: [ 29.344792][ T209] [ 29.344794][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.344799][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 29.344804][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.344808][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.344813][ T209] __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)) [ 29.344816][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.344822][ T209] ? 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) [ 29.344824][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.344828][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 29.344832][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.344835][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.344841][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.344848][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.344851][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344855][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.344859][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.344863][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.344867][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344869][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.344873][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.344877][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.344879][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.344884][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.344887][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.344888][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344890][ T209] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.344894][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.344896][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.344899][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 29.344902][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.344904][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.344907][ T209] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.344912][ T209] _printk (kernel/printk/printk.c:2504) [ 29.344915][ T209] ? snapshot_read.cold (user.c:?) [ 29.344921][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.344925][ T209] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.344928][ T209] br_init_port (net/bridge/br_stp_if.c:39) [ 29.344931][ T209] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 29.344933][ T209] br_port_carrier_check (net/bridge/br_if.c:90) [ 29.344937][ T209] br_device_event (net/bridge/br.c:101) [ 29.344941][ T209] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.344942][ T209] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 29.344949][ T209] notifier_call_chain (kernel/notifier.c:85) [ 29.344955][ T209] netif_state_change (net/core/dev.c:1625) [ 29.344959][ T209] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.344964][ T209] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 29.344967][ T209] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.344970][ T209] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.344973][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.344978][ T209] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.344980][ T209] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.344984][ T209] process_one_work (kernel/workqueue.c:3387) [ 29.344990][ T209] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.344993][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.345002][ T209] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.345006][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.345007][ T209] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.345011][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.345013][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.345015][ T209] kthread (kernel/kthread.c:436) [ 29.345017][ T209] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.345020][ T209] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.345023][ T209] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.345028][ T209] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.345031][ T209] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.345035][ T209] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.345038][ T209] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.567549][ T292] softirqs last disabled at (38562): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 30.567552][ T292] Preemption disabled at: | [ 30.567553][ T292] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.567562][ T292] Tainted: [W]=WARN [ 30.567562][ T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.567564][ T292] Call Trace: [ 30.567565][ T292] [ 30.567567][ T292] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.567572][ T292] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.567574][ T292] __might_resched.cold (kernel/sched/core.c:9234) [ 30.567579][ T292] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.567582][ T292] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.567588][ T292] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.567590][ T292] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.567597][ T292] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.567599][ T292] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.567603][ T292] put_chars (drivers/char/virtio_console.c:1176) [ 30.567606][ T292] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.567610][ T292] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.567613][ T292] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.567616][ T292] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.567620][ T292] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.567624][ T292] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.567626][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567628][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567632][ T292] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.567635][ T292] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 30.567638][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.567640][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.567644][ T292] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.567647][ T292] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.567651][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.567653][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.567657][ T292] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.567660][ T292] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.567662][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567667][ T292] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.567670][ T292] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.567671][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.567673][ T292] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.567676][ T292] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.567678][ T292] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.567681][ T292] vprintk_emit (kernel/printk/printk.c:2479) [ 30.567684][ T292] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.567686][ T292] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.567692][ T292] _printk (kernel/printk/printk.c:2504) [ 30.567696][ T292] ? snapshot_read.cold (user.c:?) [ 30.567700][ T292] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.567703][ T292] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.567707][ T292] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.567709][ T292] ? netdev_notice (net/core/dev.c:13194) [ 30.567714][ T292] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 30.567717][ T292] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 30.567721][ T292] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 30.567725][ T292] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 30.567730][ T292] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 30.567733][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 30.567735][ T292] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.567738][ T292] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.567745][ T292] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.567749][ T292] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 30.567751][ T292] ? 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)) [ 30.567754][ T292] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 30.567759][ T292] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 30.567764][ T292] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 30.567766][ T292] ? 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) [ 30.567768][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 30.567769][ T292] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 30.567776][ T292] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 30.567778][ T292] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.567780][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567782][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567784][ T292] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.567806][ T292] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.567808][ T292] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.567811][ T292] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.567813][ T292] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.567815][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567819][ T292] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.567822][ T292] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.567824][ T292] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.567826][ T292] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.567830][ T292] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.567832][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.567836][ T292] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.567838][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567843][ T292] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.567845][ T292] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.567848][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.567851][ T292] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.567854][ T292] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.567861][ T292] ? 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)) [ 30.567862][ T292] ? 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)) [ 30.567866][ T292] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.567870][ T292] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.567872][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.567877][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.567880][ T292] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.567884][ T292] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.567890][ T292] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.567893][ T292] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.567895][ T292] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.567896][ T292] ? move_addr_to_kernel (net/socket.c:258) [ 30.567903][ T292] ___sys_sendmsg (net/socket.c:2767) [ 30.567906][ T292] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.567921][ T292] __sys_sendmsg (net/socket.c:2799) [ 30.567924][ T292] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.567930][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.567933][ T292] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.567935][ T292] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.567938][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.567940][ T292] RIP: 0033:0x7f46deda054e [ 30.567944][ T292] 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 [ 30.567946][ T292] RSP: 002b:00007ffe040dd740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.567949][ T292] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f46deda054e [ 30.567950][ T292] RDX: 0000000000000000 RSI: 00007ffe040dd7f0 RDI: 0000000000000005 [ 30.567951][ T292] RBP: 00007ffe040dd750 R08: 0000000000000000 R09: 0000000000000000 [ 30.567952][ T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c25 [ 30.567953][ T292] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe040ddeb0 | [ 32.301675][ T307] softirqs last disabled at (44504): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 32.301677][ T307] Preemption disabled at: | [ 32.301678][ T307] 0x0 | [ 32.301688][ T307] Tainted: [W]=WARN [ 32.301690][ T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.301691][ T307] Call Trace: [ 32.301693][ T307] [ 32.301694][ T307] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.301700][ T307] __might_resched.cold (kernel/sched/core.c:9234) [ 32.301704][ T307] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.301708][ T307] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.301713][ T307] __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)) [ 32.301716][ T307] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.301722][ T307] ? 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) [ 32.301724][ T307] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.301728][ T307] put_chars (drivers/char/virtio_console.c:1176) [ 32.301730][ T307] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 32.301733][ T307] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.301740][ T307] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.301747][ T307] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.301750][ T307] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.301755][ T307] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.301758][ T307] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.301762][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.301765][ T307] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.301769][ T307] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.301773][ T307] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.301775][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.301780][ T307] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.301783][ T307] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.301784][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.301786][ T307] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.301790][ T307] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.301792][ T307] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.301795][ T307] vprintk_emit (kernel/printk/printk.c:2479) [ 32.301798][ T307] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.301799][ T307] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.301802][ T307] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.301804][ T307] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.301809][ T307] _printk (kernel/printk/printk.c:2504) [ 32.301812][ T307] ? snapshot_read.cold (user.c:?) [ 32.301820][ T307] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.301823][ T307] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.301828][ T307] br_device_event (net/bridge/br.c:111) [ 32.301830][ T307] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.301834][ T307] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.301839][ T307] notifier_call_chain (kernel/notifier.c:85) [ 32.301845][ T307] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 32.301850][ T307] ? netif_change_name (net/core/dev.c:1517) [ 32.301852][ T307] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 32.301855][ T307] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 32.301858][ T307] ? __kernel_text_address (kernel/extable.c:79) [ 32.301860][ T307] ? write_profile (profile.c:?) [ 32.301865][ T307] netif_change_flags (net/core/dev.c:9882) [ 32.301869][ T307] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 32.301873][ T307] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.301875][ T307] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.301877][ T307] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 32.301879][ T307] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 32.301882][ T307] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.301884][ T307] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.301886][ T307] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.301889][ T307] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.301891][ T307] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.301892][ T307] ? kasan_save_track (mm/kasan/common.c:78) [ 32.301894][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.301896][ T307] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 32.301899][ T307] ? ___sys_sendmsg (net/socket.c:2757) [ 32.301904][ T307] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.301906][ T307] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.301909][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.301911][ T307] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.301913][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.301914][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.301916][ T307] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.301918][ T307] ? __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) [ 32.301920][ T307] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.301922][ T307] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.301926][ T307] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.301931][ T307] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.301936][ T307] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.301942][ T307] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.301944][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.301949][ T307] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.301951][ T307] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.301953][ T307] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.301955][ T307] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.301959][ T307] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.301962][ T307] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.301966][ T307] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.301967][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.301972][ T307] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.301974][ T307] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.301978][ T307] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.301980][ T307] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.301983][ T307] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.301989][ T307] ? 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)) [ 32.301990][ T307] ? 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)) [ 32.301995][ T307] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.302000][ T307] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.302003][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.302007][ T307] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.302011][ T307] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.302015][ T307] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.302021][ T307] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.302023][ T307] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.302025][ T307] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.302026][ T307] ? move_addr_to_kernel (net/socket.c:258) [ 32.302033][ T307] ___sys_sendmsg (net/socket.c:2767) [ 32.302036][ T307] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.302051][ T307] __sys_sendmsg (net/socket.c:2799) [ 32.302054][ T307] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.302060][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.302063][ T307] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.302065][ T307] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.302068][ T307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.302071][ T307] RIP: 0033:0x7efef011354e [ 32.302073][ T307] 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 [ 32.302075][ T307] RSP: 002b:00007fff51bd26e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.302078][ T307] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efef011354e [ 32.302079][ T307] RDX: 0000000000000000 RSI: 00007fff51bd2790 RDI: 0000000000000005 [ 32.302080][ T307] RBP: 00007fff51bd26f0 R08: 0000000000000000 R09: 0000000000000000 [ 32.302081][ T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c26 [ 32.302082][ T307] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff51bd2e50 | [ 34.410043][ T303] softirqs last disabled at (966): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 34.410045][ T303] Preemption disabled at: | [ 34.410046][ T303] 0x0 | [ 34.410057][ T303] Tainted: [W]=WARN [ 34.410058][ T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.410060][ T303] Workqueue: events_unbound linkwatch_event [ 34.410064][ T303] Call Trace: [ 34.410065][ T303] [ 34.410067][ T303] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.410073][ T303] __might_resched.cold (kernel/sched/core.c:9234) [ 34.410077][ T303] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.410081][ T303] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.410087][ T303] __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)) [ 34.410089][ T303] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.410096][ T303] ? 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) [ 34.410098][ T303] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.410102][ T303] put_chars (drivers/char/virtio_console.c:1176) [ 34.410105][ T303] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.410109][ T303] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.410115][ T303] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.410122][ T303] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.410125][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.410129][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.410134][ T303] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.410137][ T303] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.410142][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.410144][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.410148][ T303] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.410152][ T303] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.410154][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.410160][ T303] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.410162][ T303] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.410163][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.410165][ T303] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.410170][ T303] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.410172][ T303] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.410175][ T303] vprintk_emit (kernel/printk/printk.c:2479) [ 34.410178][ T303] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.410181][ T303] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.410183][ T303] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.410188][ T303] _printk (kernel/printk/printk.c:2504) [ 34.410192][ T303] ? snapshot_read.cold (user.c:?) [ 34.410198][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.410202][ T303] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.410206][ T303] br_init_port (net/bridge/br_stp_if.c:39) [ 34.410209][ T303] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 34.410211][ T303] br_port_carrier_check (net/bridge/br_if.c:90) [ 34.410215][ T303] br_device_event (net/bridge/br.c:101) [ 34.410218][ T303] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.410220][ T303] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 34.410227][ T303] notifier_call_chain (kernel/notifier.c:85) [ 34.410233][ T303] netif_state_change (net/core/dev.c:1625) [ 34.410238][ T303] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.410242][ T303] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 34.410245][ T303] __linkwatch_run_queue (net/core/link_watch.c:240) [ 34.410249][ T303] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.410252][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.410257][ T303] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 34.410259][ T303] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 34.410263][ T303] process_one_work (kernel/workqueue.c:3387) [ 34.410270][ T303] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.410272][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.410280][ T303] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.410284][ T303] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.410285][ T303] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 34.410289][ T303] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.410292][ T303] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.410293][ T303] kthread (kernel/kthread.c:436) [ 34.410295][ T303] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.410299][ T303] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.410302][ T303] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.410306][ T303] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.410310][ T303] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.410314][ T303] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.410317][ T303] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 35.625662][ T315] softirqs last disabled at (38789): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 35.625664][ T315] Preemption disabled at: | [ 35.625665][ T315] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.625674][ T315] Tainted: [W]=WARN [ 35.625675][ T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.625677][ T315] Call Trace: [ 35.625678][ T315] [ 35.625680][ T315] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.625685][ T315] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.625686][ T315] __might_resched.cold (kernel/sched/core.c:9234) [ 35.625691][ T315] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.625694][ T315] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.625699][ T315] __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)) [ 35.625702][ T315] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.625708][ T315] ? 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) [ 35.625711][ T315] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.625714][ T315] put_chars (drivers/char/virtio_console.c:1176) [ 35.625718][ T315] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.625721][ T315] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.625725][ T315] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.625728][ T315] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.625732][ T315] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.625736][ T315] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.625738][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625740][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625744][ T315] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.625746][ T315] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 35.625749][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.625751][ T315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.625755][ T315] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.625758][ T315] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.625765][ T315] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.625769][ T315] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.625770][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625775][ T315] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.625778][ T315] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.625779][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.625781][ T315] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.625785][ T315] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.625787][ T315] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.625790][ T315] vprintk_emit (kernel/printk/printk.c:2479) [ 35.625792][ T315] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.625794][ T315] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.625801][ T315] _printk (kernel/printk/printk.c:2504) [ 35.625804][ T315] ? snapshot_read.cold (user.c:?) [ 35.625808][ T315] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.625812][ T315] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.625815][ T315] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.625817][ T315] ? netdev_notice (net/core/dev.c:13194) [ 35.625821][ T315] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 35.625824][ T315] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 35.625828][ T315] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 35.625832][ T315] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 35.625837][ T315] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 35.625840][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 35.625842][ T315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.625845][ T315] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.625852][ T315] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.625856][ T315] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 35.625857][ T315] ? 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)) [ 35.625861][ T315] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 35.625865][ T315] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 35.625871][ T315] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 35.625872][ T315] ? 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) [ 35.625874][ T315] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 35.625876][ T315] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 35.625883][ T315] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 35.625885][ T315] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.625887][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625889][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625891][ T315] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.625912][ T315] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.625914][ T315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.625917][ T315] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.625919][ T315] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.625921][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625926][ T315] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.625928][ T315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.625930][ T315] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.625932][ T315] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.625936][ T315] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.625939][ T315] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.625943][ T315] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.625944][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625949][ T315] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.625951][ T315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.625954][ T315] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.625957][ T315] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.625961][ T315] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.625967][ T315] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 35.625968][ T315] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 35.625972][ T315] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.625976][ T315] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.625979][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.625983][ T315] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.625986][ T315] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.625990][ T315] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.626001][ T315] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.626004][ T315] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.626006][ T315] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.626007][ T315] ? move_addr_to_kernel (net/socket.c:258) [ 35.626014][ T315] ___sys_sendmsg (net/socket.c:2767) [ 35.626017][ T315] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.626032][ T315] __sys_sendmsg (net/socket.c:2799) [ 35.626034][ T315] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.626040][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.626043][ T315] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.626045][ T315] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.626048][ T315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.626050][ T315] RIP: 0033:0x7ff7c1ce254e [ 35.626053][ T315] 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 [ 35.626055][ T315] RSP: 002b:00007ffe01cefec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.626058][ T315] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff7c1ce254e [ 35.626059][ T315] RDX: 0000000000000000 RSI: 00007ffe01ceff70 RDI: 0000000000000005 [ 35.626060][ T315] RBP: 00007ffe01cefed0 R08: 0000000000000000 R09: 0000000000000000 [ 35.626061][ T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c2a [ 35.626062][ T315] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe01cf0630 | [ 37.346663][ T329] softirqs last disabled at (46066): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 37.346666][ T329] Preemption disabled at: | [ 37.346666][ T329] 0x0 | [ 37.346677][ T329] Tainted: [W]=WARN [ 37.346678][ T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.346679][ T329] Call Trace: [ 37.346681][ T329] [ 37.346682][ T329] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.346688][ T329] __might_resched.cold (kernel/sched/core.c:9234) [ 37.346693][ T329] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.346696][ T329] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.346702][ T329] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.346704][ T329] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.346710][ T329] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.346712][ T329] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.346716][ T329] put_chars (drivers/char/virtio_console.c:1176) [ 37.346718][ T329] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 37.346721][ T329] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.346728][ T329] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.346735][ T329] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.346738][ T329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.346743][ T329] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.346746][ T329] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.346750][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.346754][ T329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.346758][ T329] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.346762][ T329] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.346763][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.346769][ T329] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.346771][ T329] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.346772][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.346774][ T329] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.346778][ T329] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.346780][ T329] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.346783][ T329] vprintk_emit (kernel/printk/printk.c:2479) [ 37.346787][ T329] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.346788][ T329] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.346791][ T329] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.346793][ T329] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.346798][ T329] _printk (kernel/printk/printk.c:2504) [ 37.346801][ T329] ? snapshot_read.cold (user.c:?) [ 37.346808][ T329] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 37.346812][ T329] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 37.346816][ T329] br_device_event (net/bridge/br.c:111) [ 37.346818][ T329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 37.346822][ T329] ? packet_sendmsg_spkt (af_packet.c:?) [ 37.346827][ T329] notifier_call_chain (kernel/notifier.c:85) [ 37.346834][ T329] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 37.346838][ T329] ? netif_change_name (net/core/dev.c:1517) [ 37.346841][ T329] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 37.346843][ T329] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 37.346846][ T329] ? __kernel_text_address (kernel/extable.c:79) [ 37.346849][ T329] ? write_profile (profile.c:?) [ 37.346854][ T329] netif_change_flags (net/core/dev.c:9882) [ 37.346857][ T329] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 37.346861][ T329] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.346863][ T329] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.346865][ T329] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 37.346867][ T329] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 37.346870][ T329] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.346873][ T329] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.346874][ T329] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.346877][ T329] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.346879][ T329] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.346880][ T329] ? kasan_save_track (mm/kasan/common.c:78) [ 37.346883][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.346885][ T329] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 37.346888][ T329] ? ___sys_sendmsg (net/socket.c:2757) [ 37.346893][ T329] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.346895][ T329] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.346898][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.346900][ T329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.346901][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.346903][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.346905][ T329] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.346907][ T329] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 37.346908][ T329] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.346911][ T329] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.346914][ T329] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.346920][ T329] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.346925][ T329] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.346931][ T329] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.346933][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.346938][ T329] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.346940][ T329] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.346942][ T329] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.346944][ T329] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.346948][ T329] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.346951][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.346955][ T329] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.346956][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.346961][ T329] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.346963][ T329] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.346967][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.346969][ T329] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.346972][ T329] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.346978][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 37.346979][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 37.346984][ T329] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.346988][ T329] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.346990][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.346994][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.347001][ T329] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.347004][ T329] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 37.347010][ T329] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.347012][ T329] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.347014][ T329] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.347016][ T329] ? move_addr_to_kernel (net/socket.c:258) [ 37.347023][ T329] ___sys_sendmsg (net/socket.c:2767) [ 37.347025][ T329] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.347040][ T329] __sys_sendmsg (net/socket.c:2799) [ 37.347043][ T329] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.347049][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.347052][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.347054][ T329] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.347057][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.347060][ T329] RIP: 0033:0x7f7cae2f454e [ 37.347062][ T329] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 37.347064][ T329] RSP: 002b:00007ffdbfb83c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.347067][ T329] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7cae2f454e [ 37.347068][ T329] RDX: 0000000000000000 RSI: 00007ffdbfb83d40 RDI: 0000000000000005 [ 37.347069][ T329] RBP: 00007ffdbfb83ca0 R08: 0000000000000000 R09: 0000000000000000 [ 37.347070][ T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c2b [ 37.347070][ T329] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbfb84400 | [ 39.444481][ T209] softirqs last disabled at (75466): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 39.444484][ T209] Preemption disabled at: | [ 39.444485][ T209] 0x0 | [ 39.444495][ T209] Tainted: [W]=WARN [ 39.444496][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.444498][ T209] Workqueue: events_unbound linkwatch_event [ 39.444501][ T209] Call Trace: [ 39.444503][ T209] [ 39.444504][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.444510][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 39.444515][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.444518][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.444524][ T209] __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)) [ 39.444526][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.444532][ T209] ? 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) [ 39.444534][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.444538][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 39.444541][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.444545][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.444551][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.444558][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.444561][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.444564][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.444569][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.444572][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.444576][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.444578][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.444582][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.444586][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.444588][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.444593][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.444596][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.444597][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.444599][ T209] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.444603][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.444605][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.444608][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 39.444611][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.444614][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.444616][ T209] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.444621][ T209] _printk (kernel/printk/printk.c:2504) [ 39.444625][ T209] ? snapshot_read.cold (user.c:?) [ 39.444630][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.444634][ T209] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.444638][ T209] br_init_port (net/bridge/br_stp_if.c:39) [ 39.444641][ T209] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 39.444643][ T209] br_port_carrier_check (net/bridge/br_if.c:90) [ 39.444647][ T209] br_device_event (net/bridge/br.c:101) [ 39.444650][ T209] ? packet_sendmsg_spkt (af_packet.c:?) [ 39.444651][ T209] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 39.444658][ T209] notifier_call_chain (kernel/notifier.c:85) [ 39.444664][ T209] netif_state_change (net/core/dev.c:1625) [ 39.444669][ T209] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.444673][ T209] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 39.444676][ T209] __linkwatch_run_queue (net/core/link_watch.c:240) [ 39.444679][ T209] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.444682][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.444687][ T209] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 39.444689][ T209] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 39.444693][ T209] process_one_work (kernel/workqueue.c:3387) [ 39.444699][ T209] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.444701][ T209] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.444709][ T209] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.444713][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.444714][ T209] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.444718][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.444720][ T209] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.444721][ T209] kthread (kernel/kthread.c:436) [ 39.444723][ T209] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.444727][ T209] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.444730][ T209] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.444734][ T209] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.444738][ T209] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.444741][ T209] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.444744][ T209] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.798398][ T337] softirqs last disabled at (55663): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 40.798400][ T337] Preemption disabled at: | [ 40.798401][ T337] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.798416][ T337] Tainted: [W]=WARN [ 40.798416][ T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.798418][ T337] Call Trace: [ 40.798420][ T337] [ 40.798421][ T337] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.798426][ T337] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.798428][ T337] __might_resched.cold (kernel/sched/core.c:9234) [ 40.798432][ T337] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.798436][ T337] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.798441][ T337] __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)) [ 40.798444][ T337] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.798450][ T337] ? 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) [ 40.798452][ T337] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.798456][ T337] put_chars (drivers/char/virtio_console.c:1176) [ 40.798459][ T337] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.798463][ T337] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.798467][ T337] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.798470][ T337] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.798474][ T337] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.798478][ T337] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.798480][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798482][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798486][ T337] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.798488][ T337] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 40.798491][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.798493][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.798497][ T337] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.798500][ T337] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.798504][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.798506][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.798510][ T337] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.798513][ T337] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.798515][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798520][ T337] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.798522][ T337] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.798524][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.798525][ T337] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.798529][ T337] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.798531][ T337] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.798534][ T337] vprintk_emit (kernel/printk/printk.c:2479) [ 40.798537][ T337] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.798538][ T337] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.798545][ T337] _printk (kernel/printk/printk.c:2504) [ 40.798549][ T337] ? snapshot_read.cold (user.c:?) [ 40.798553][ T337] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.798556][ T337] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.798559][ T337] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.798561][ T337] ? netdev_notice (net/core/dev.c:13194) [ 40.798565][ T337] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 40.798568][ T337] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 40.798572][ T337] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 40.798575][ T337] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 40.798581][ T337] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 40.798584][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 40.798586][ T337] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.798589][ T337] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.798596][ T337] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.798600][ T337] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 40.798601][ T337] ? 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)) [ 40.798605][ T337] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 40.798609][ T337] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 40.798615][ T337] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 40.798616][ T337] ? 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) [ 40.798618][ T337] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 40.798620][ T337] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 40.798627][ T337] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 40.798629][ T337] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.798631][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798632][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798635][ T337] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.798656][ T337] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.798658][ T337] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.798661][ T337] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.798663][ T337] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.798665][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798669][ T337] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.798671][ T337] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.798674][ T337] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.798676][ T337] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.798680][ T337] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.798682][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.798686][ T337] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.798687][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798692][ T337] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.798694][ T337] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.798698][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.798700][ T337] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.798704][ T337] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.798710][ T337] ? 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)) [ 40.798712][ T337] ? 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)) [ 40.798716][ T337] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.798719][ T337] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.798722][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.798726][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.798730][ T337] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.798734][ T337] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 40.798739][ T337] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 40.798743][ T337] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.798745][ T337] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 40.798746][ T337] ? move_addr_to_kernel (net/socket.c:258) [ 40.798753][ T337] ___sys_sendmsg (net/socket.c:2767) [ 40.798755][ T337] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.798770][ T337] __sys_sendmsg (net/socket.c:2799) [ 40.798773][ T337] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.798778][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.798782][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.798784][ T337] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.798787][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.798789][ T337] RIP: 0033:0x7fdf27d3854e [ 40.798793][ T337] 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 [ 40.798795][ T337] RSP: 002b:00007ffd25f46f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.798798][ T337] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdf27d3854e [ 40.798799][ T337] RDX: 0000000000000000 RSI: 00007ffd25f47030 RDI: 0000000000000005 [ 40.798800][ T337] RBP: 00007ffd25f46f90 R08: 0000000000000000 R09: 0000000000000000 [ 40.798801][ T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c2f [ 40.798802][ T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd25f476f0 | [ 42.655874][ T351] softirqs last disabled at (48984): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 42.655876][ T351] Preemption disabled at: | [ 42.655876][ T351] 0x0 | [ 42.655887][ T351] Tainted: [W]=WARN [ 42.655887][ T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.655889][ T351] Call Trace: [ 42.655891][ T351] [ 42.655892][ T351] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.655898][ T351] __might_resched.cold (kernel/sched/core.c:9234) [ 42.655902][ T351] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.655906][ T351] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.655911][ T351] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 42.655914][ T351] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.655920][ T351] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.655922][ T351] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.655926][ T351] put_chars (drivers/char/virtio_console.c:1176) [ 42.655928][ T351] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 42.655931][ T351] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.655937][ T351] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.655945][ T351] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.655948][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.655952][ T351] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.655956][ T351] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.655960][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.655963][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.655967][ T351] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.655971][ T351] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.655972][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.655978][ T351] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.655980][ T351] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.655981][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.655983][ T351] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.655987][ T351] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.655989][ T351] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.655992][ T351] vprintk_emit (kernel/printk/printk.c:2479) [ 42.655995][ T351] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.655999][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.656002][ T351] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.656004][ T351] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.656009][ T351] _printk (kernel/printk/printk.c:2504) [ 42.656013][ T351] ? snapshot_read.cold (user.c:?) [ 42.656020][ T351] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.656024][ T351] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 42.656028][ T351] br_device_event (net/bridge/br.c:111) [ 42.656031][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 42.656034][ T351] ? packet_sendmsg_spkt (af_packet.c:?) [ 42.656040][ T351] notifier_call_chain (kernel/notifier.c:85) [ 42.656046][ T351] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 42.656051][ T351] ? netif_change_name (net/core/dev.c:1517) [ 42.656053][ T351] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 42.656056][ T351] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 42.656059][ T351] ? __kernel_text_address (kernel/extable.c:79) [ 42.656061][ T351] ? write_profile (profile.c:?) [ 42.656066][ T351] netif_change_flags (net/core/dev.c:9882) [ 42.656070][ T351] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 42.656074][ T351] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.656076][ T351] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.656078][ T351] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.656080][ T351] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.656083][ T351] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.656085][ T351] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.656087][ T351] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.656090][ T351] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.656092][ T351] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.656093][ T351] ? kasan_save_track (mm/kasan/common.c:78) [ 42.656095][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.656098][ T351] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 42.656100][ T351] ? ___sys_sendmsg (net/socket.c:2757) [ 42.656105][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.656107][ T351] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.656111][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.656112][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.656114][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.656116][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.656118][ T351] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.656120][ T351] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 42.656122][ T351] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.656124][ T351] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.656127][ T351] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.656133][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.656138][ T351] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.656144][ T351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.656146][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.656151][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.656153][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.656156][ T351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.656158][ T351] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.656162][ T351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.656164][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.656168][ T351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.656170][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.656174][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.656177][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.656180][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.656182][ T351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.656185][ T351] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.656192][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 42.656193][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 42.656197][ T351] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.656201][ T351] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.656204][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.656208][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.656212][ T351] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.656216][ T351] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 42.656222][ T351] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 42.656224][ T351] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.656226][ T351] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 42.656227][ T351] ? move_addr_to_kernel (net/socket.c:258) [ 42.656234][ T351] ___sys_sendmsg (net/socket.c:2767) [ 42.656237][ T351] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.656252][ T351] __sys_sendmsg (net/socket.c:2799) [ 42.656255][ T351] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.656261][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.656264][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.656266][ T351] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.656269][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.656272][ T351] RIP: 0033:0x7f82fb20154e [ 42.656274][ T351] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 42.656276][ T351] RSP: 002b:00007ffd854fbf80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.656278][ T351] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f82fb20154e [ 42.656280][ T351] RDX: 0000000000000000 RSI: 00007ffd854fc030 RDI: 0000000000000005 [ 42.656281][ T351] RBP: 00007ffd854fbf90 R08: 0000000000000000 R09: 0000000000000000 [ 42.656281][ T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c31 [ 42.656282][ T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd854fc6f0 | [ 44.769832][ T36] softirqs last disabled at (149822): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 44.769835][ T36] Preemption disabled at: | [ 44.769836][ T36] 0x0 | [ 44.769847][ T36] Tainted: [W]=WARN [ 44.769848][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.769849][ T36] Workqueue: events_unbound linkwatch_event [ 44.769853][ T36] Call Trace: [ 44.769855][ T36] [ 44.769857][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.769863][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 44.769867][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.769871][ 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) [ 44.769876][ 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)) [ 44.769879][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.769885][ 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) [ 44.769887][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.769891][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 44.769894][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.769898][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.769903][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.769911][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.769913][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.769917][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.769921][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.769925][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.769929][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.769931][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.769935][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.769939][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.769940][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.769946][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.769948][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.769949][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.769951][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.769955][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.769957][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.769960][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 44.769963][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.769966][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.769968][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.769973][ T36] _printk (kernel/printk/printk.c:2504) [ 44.769977][ T36] ? snapshot_read.cold (user.c:?) [ 44.769982][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.769986][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 44.769990][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 44.769993][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 44.770000][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 44.770004][ T36] br_device_event (net/bridge/br.c:101) [ 44.770008][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 44.770010][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 44.770016][ T36] notifier_call_chain (kernel/notifier.c:85) [ 44.770023][ T36] netif_state_change (net/core/dev.c:1625) [ 44.770027][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.770032][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 44.770034][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 44.770038][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.770041][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.770045][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 44.770048][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 44.770052][ T36] process_one_work (kernel/workqueue.c:3387) [ 44.770058][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.770061][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.770069][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.770076][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.770077][ T36] kthread (kernel/kthread.c:436) [ 44.770080][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.770084][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.770087][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.770091][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.770095][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.770098][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.770101][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.006767][ T359] softirqs last disabled at (50434): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 46.006769][ T359] Preemption disabled at: | [ 46.006770][ T359] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.006779][ T359] Tainted: [W]=WARN [ 46.006780][ T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.006781][ T359] Call Trace: [ 46.006783][ T359] [ 46.006784][ T359] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.006789][ T359] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.006791][ T359] __might_resched.cold (kernel/sched/core.c:9234) [ 46.006796][ T359] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.006799][ T359] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.006805][ T359] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.006807][ T359] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.006814][ T359] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.006816][ T359] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.006820][ T359] put_chars (drivers/char/virtio_console.c:1176) [ 46.006823][ T359] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.006826][ T359] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.006830][ T359] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.006833][ T359] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.006838][ T359] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.006842][ T359] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.006844][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.006846][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.006850][ T359] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.006852][ T359] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.006855][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.006857][ T359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.006861][ T359] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.006865][ T359] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.006869][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.006871][ T359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.006875][ T359] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.006879][ T359] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.006880][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.006885][ T359] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.006888][ T359] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.006889][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.006891][ T359] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.006895][ T359] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.006897][ T359] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.006900][ T359] vprintk_emit (kernel/printk/printk.c:2479) [ 46.006903][ T359] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.006904][ T359] ? packet_sendmsg_spkt (af_packet.c:?) [ 46.006911][ T359] _printk (kernel/printk/printk.c:2504) [ 46.006915][ T359] ? snapshot_read.cold (user.c:?) [ 46.006919][ T359] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.006922][ T359] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.006926][ T359] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.006928][ T359] ? netdev_notice (net/core/dev.c:13194) [ 46.006933][ T359] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 46.006936][ T359] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 46.006940][ T359] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 46.006944][ T359] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 46.006949][ T359] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 46.006952][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 46.006954][ T359] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.006957][ T359] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.006965][ T359] ? packet_sendmsg_spkt (af_packet.c:?) [ 46.006969][ T359] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 46.006970][ T359] ? 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)) [ 46.006973][ T359] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 46.006978][ T359] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 46.006984][ T359] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 46.006985][ T359] ? 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) [ 46.006987][ T359] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 46.006989][ T359] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 46.006996][ T359] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 46.007000][ T359] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.007002][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.007004][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.007006][ T359] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.007027][ T359] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.007029][ T359] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.007032][ T359] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.007034][ T359] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.007037][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.007041][ T359] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.007043][ T359] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.007045][ T359] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.007048][ T359] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.007051][ T359] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.007054][ T359] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.007058][ T359] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.007059][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.007064][ T359] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.007066][ T359] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.007070][ T359] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.007073][ T359] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.007076][ T359] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.007082][ T359] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 46.007083][ T359] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 46.007087][ T359] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.007091][ T359] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.007094][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.007098][ T359] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.007102][ T359] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.007105][ T359] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 46.007111][ T359] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 46.007114][ T359] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.007116][ T359] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 46.007118][ T359] ? move_addr_to_kernel (net/socket.c:258) [ 46.007124][ T359] ___sys_sendmsg (net/socket.c:2767) [ 46.007127][ T359] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.007142][ T359] __sys_sendmsg (net/socket.c:2799) [ 46.007145][ T359] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.007150][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.007154][ T359] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.007156][ T359] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.007159][ T359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.007161][ T359] RIP: 0033:0x7fe6c2b1654e [ 46.007165][ T359] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 46.007167][ T359] RSP: 002b:00007ffd04d9ef70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.007169][ T359] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe6c2b1654e [ 46.007171][ T359] RDX: 0000000000000000 RSI: 00007ffd04d9f020 RDI: 0000000000000005 [ 46.007172][ T359] RBP: 00007ffd04d9ef80 R08: 0000000000000000 R09: 0000000000000000 [ 46.007172][ T359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c34 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 __alloc_skb: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 __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars