====================================== | [ 9.955787][ T181] softirqs last disabled at (42965): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.955790][ T181] Preemption disabled at: | [ 9.955791][ T181] 0x0 | [ 9.955802][ T181] Tainted: [W]=WARN [ 9.955803][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.955805][ T181] Call Trace: [ 9.955806][ T181] [ 9.955808][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.955814][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 9.955819][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.955823][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.955830][ T181] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.955832][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.955840][ T181] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.955842][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.955846][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 9.955850][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.955852][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.955856][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.955860][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.955866][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.955870][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.955872][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.955878][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.955882][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955884][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.955889][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.955893][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.955897][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955900][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.955904][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.955908][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.955910][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.955916][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.955919][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.955920][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955923][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.955927][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.955929][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.955932][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 9.955936][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.955939][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.955943][ T181] _printk (kernel/printk/printk.c:2504) [ 9.955947][ T181] ? snapshot_read.cold (user.c:?) [ 9.955950][ T181] ? 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) [ 9.955953][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.955959][ T181] ? 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) [ 9.955962][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.955966][ T181] ? exit_notify (kernel/exit.c:780) [ 9.955968][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.955971][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955976][ T181] do_group_exit (kernel/exit.c:1151) [ 9.955979][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.955981][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.955984][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.955987][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.955991][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.955993][ T181] RIP: 0033:0x7f9d6cf731b8 [ 9.955995][ T181] Code: Unable to access opcode bytes at 0x7f9d6cf7318e. Code starting with the faulting instruction =========================================== [ 9.955996][ T181] RSP: 002b:00007fff50ff5868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.955999][ T181] RAX: ffffffffffffffda RBX: 00007f9d6d0a3f88 RCX: 00007f9d6cf731b8 [ 9.956001][ T181] RDX: 00007f9d6ccbdfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.956002][ T181] RBP: 00007fff50ff58c0 R08: 0000000000000000 R09: 0000000000008010 [ 9.956003][ T181] R10: 00007fff50ff5680 R11: 0000000000000246 R12: 0000000000000001 [ 9.956003][ T181] R13: 0000000000000000 R14: 00007f9d6d0a2680 R15: 00007f9d6d0a3fa0 | [ 10.997538][ T229] softirqs last disabled at (37972): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.997540][ T229] Preemption disabled at: | [ 10.997541][ T229] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.997550][ T229] Tainted: [W]=WARN [ 10.997551][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.997553][ T229] Call Trace: [ 10.997555][ T229] [ 10.997557][ T229] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.997562][ T229] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.997564][ T229] __might_resched.cold (kernel/sched/core.c:9234) [ 10.997569][ T229] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.997573][ T229] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.997579][ T229] __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)) [ 10.997581][ T229] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.997588][ T229] ? 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) [ 10.997590][ T229] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.997593][ T229] put_chars (drivers/char/virtio_console.c:1176) [ 10.997597][ T229] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.997599][ T229] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.997604][ T229] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.997607][ T229] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.997613][ T229] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.997617][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997622][ T229] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.997626][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997631][ T229] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.997634][ T229] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.997638][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997640][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.997645][ T229] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.997649][ T229] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.997650][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997656][ T229] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.997658][ T229] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.997660][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997662][ T229] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.997666][ T229] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.997668][ T229] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.997671][ T229] vprintk_emit (kernel/printk/printk.c:2479) [ 10.997674][ T229] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.997677][ T229] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.997679][ T229] ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1)) [ 10.997684][ T229] _printk (kernel/printk/printk.c:2504) [ 10.997690][ T229] ? snapshot_read.cold (user.c:?) [ 10.997694][ T229] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.997696][ T229] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.997699][ T229] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.997703][ T229] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.997705][ T229] ? netdev_notice (net/core/dev.c:13194) [ 10.997710][ T229] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.997712][ T229] ? bond_ipsec_del_sa_all (drivers/net/bonding/bond_main.c:603 (discriminator 3)) [ 10.997719][ T229] bond_change_active_slave.cold (drivers/net/bonding/bond_main.c:1301) [ 10.997723][ T229] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.997724][ T229] ? bond_choose_primary_or_current (drivers/net/bonding/bond_main.c:1102 (discriminator 2)) [ 10.997728][ T229] ? bond_peer_notify_work_rearm (drivers/net/bonding/bond_main.c:1211) [ 10.997731][ T229] ? static_key_slow_inc_cpuslocked (./include/linux/mutex.h:253 kernel/jump_label.c:165 kernel/jump_label.c:151) [ 10.997738][ T229] bond_select_active_slave (drivers/net/bonding/bond_main.c:1379) [ 10.997741][ T229] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1824) [ 10.997747][ T229] ? static_key_slow_inc (kernel/jump_label.c:192) [ 10.997749][ T229] bond_enslave (drivers/net/bonding/bond_main.c:2298) [ 10.997755][ T229] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.997757][ T229] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) [ 10.997759][ T229] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.997761][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997763][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.997768][ T229] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.997775][ T229] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.997778][ T229] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.997784][ T229] do_set_master (net/core/rtnetlink.c:3071) [ 10.997788][ T229] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.997792][ T229] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.997795][ T229] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.997797][ T229] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.997799][ T229] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.997802][ T229] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.997805][ T229] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.997807][ T229] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.997810][ T229] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.997812][ T229] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.997813][ T229] ? kasan_save_track (mm/kasan/common.c:78) [ 10.997815][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997817][ T229] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 10.997820][ T229] ? ___sys_sendmsg (net/socket.c:2757) [ 10.997824][ T229] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.997826][ T229] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.997830][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997832][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.997833][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997835][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997837][ T229] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.997839][ T229] ? __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) [ 10.997843][ T229] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.997845][ T229] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.997849][ T229] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.997850][ T229] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.997856][ T229] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.997862][ T229] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.997868][ T229] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.997870][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997875][ T229] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.997877][ T229] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.997879][ T229] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.997882][ T229] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.997886][ T229] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.997888][ T229] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.997892][ T229] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.997894][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997899][ T229] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.997901][ T229] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.997905][ T229] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.997907][ T229] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.997910][ T229] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.997916][ T229] ? 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)) [ 10.997918][ T229] ? 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)) [ 10.997922][ T229] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.997926][ T229] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.997929][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997933][ T229] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.997937][ T229] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.997941][ T229] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.997947][ T229] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.997949][ T229] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.997951][ T229] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.997952][ T229] ? move_addr_to_kernel (net/socket.c:258) [ 10.997959][ T229] ___sys_sendmsg (net/socket.c:2767) [ 10.997962][ T229] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.997978][ T229] __sys_sendmsg (net/socket.c:2799) [ 10.997980][ T229] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.997986][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997990][ T229] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.997992][ T229] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.997995][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.997998][ T229] RIP: 0033:0x7fcb3280754e [ 10.998002][ T229] 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 [ 10.998003][ T229] RSP: 002b:00007ffe79a3b610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.998006][ T229] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcb3280754e [ 10.998007][ T229] RDX: 0000000000000000 RSI: 00007ffe79a3b6c0 RDI: 0000000000000005 [ 10.998008][ T229] RBP: 00007ffe79a3b620 R08: 0000000000000000 R09: 0000000000000000 [ 10.998009][ T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918434 [ 10.998010][ T229] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe79a3bd80 | [ 12.382581][ T237] softirqs last disabled at (43870): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 12.382584][ T237] Preemption disabled at: | [ 12.382585][ T237] 0x0 | [ 12.382599][ T237] Tainted: [W]=WARN [ 12.382600][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.382603][ T237] Call Trace: [ 12.382605][ T237] [ 12.382608][ T237] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.382616][ T237] __might_resched.cold (kernel/sched/core.c:9234) [ 12.382622][ T237] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.382628][ T237] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.382636][ T237] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.382640][ T237] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.382649][ T237] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.382652][ T237] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.382658][ T237] put_chars (drivers/char/virtio_console.c:1176) [ 12.382662][ T237] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 12.382666][ T237] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.382678][ T237] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.382693][ T237] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.382698][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.382706][ T237] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.382712][ T237] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.382719][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.382724][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.382731][ T237] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.382738][ T237] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.382741][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.382751][ T237] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.382755][ T237] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.382757][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.382760][ T237] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.382767][ T237] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.382770][ T237] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.382775][ T237] vprintk_emit (kernel/printk/printk.c:2479) [ 12.382781][ T237] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.382783][ T237] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.382787][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.382791][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.382799][ T237] _printk (kernel/printk/printk.c:2504) [ 12.382804][ T237] ? snapshot_read.cold (user.c:?) [ 12.382817][ T237] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.382824][ T237] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 12.382831][ T237] br_device_event (net/bridge/br.c:111) [ 12.382834][ T237] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.382840][ T237] ? packet_sendmsg_spkt (af_packet.c:?) [ 12.382850][ T237] notifier_call_chain (kernel/notifier.c:85) [ 12.382860][ T237] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 12.382867][ T237] ? netif_change_name (net/core/dev.c:1517) [ 12.382871][ T237] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 12.382876][ T237] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.382881][ T237] ? __kernel_text_address (kernel/extable.c:79) [ 12.382885][ T237] ? write_profile (profile.c:?) [ 12.382892][ T237] netif_change_flags (net/core/dev.c:9882) [ 12.382898][ T237] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 12.382905][ T237] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.382909][ T237] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.382912][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.382915][ T237] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.382919][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.382923][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.382926][ T237] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.382931][ T237] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.382934][ T237] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.382936][ T237] ? kasan_save_track (mm/kasan/common.c:78) [ 12.382940][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.382943][ T237] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 12.382947][ T237] ? ___sys_sendmsg (net/socket.c:2757) [ 12.382955][ T237] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.382958][ T237] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.382963][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.382967][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.382969][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.382972][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.382975][ T237] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.382979][ T237] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.382981][ T237] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.382985][ T237] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.382992][ T237] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.383002][ T237] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.383012][ T237] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.383023][ T237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.383026][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.383035][ T237] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.383038][ T237] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.383042][ T237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.383045][ T237] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.383052][ T237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.383056][ T237] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.383062][ T237] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.383065][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.383073][ T237] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.383076][ T237] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.383083][ T237] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.383086][ T237] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.383091][ T237] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.383103][ T237] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.383105][ T237] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.383112][ T237] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.383118][ T237] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.383122][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.383129][ T237] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.383135][ T237] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.383141][ T237] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.383150][ T237] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.383154][ T237] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.383162][ T237] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.383165][ T237] ? move_addr_to_kernel (net/socket.c:258) [ 12.383179][ T237] ___sys_sendmsg (net/socket.c:2767) [ 12.383183][ T237] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.383214][ T237] __sys_sendmsg (net/socket.c:2799) [ 12.383219][ T237] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.383230][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.383236][ T237] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.383239][ T237] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.383245][ T237] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.383248][ T237] RIP: 0033:0x7f638b63354e [ 12.383252][ T237] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.383255][ T237] RSP: 002b:00007ffe50fb74d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.383258][ T237] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f638b63354e [ 12.383261][ T237] RDX: 0000000000000000 RSI: 00007ffe50fb7580 RDI: 0000000000000005 [ 12.383262][ T237] RBP: 00007ffe50fb74e0 R08: 0000000000000000 R09: 0000000000000000 [ 12.383264][ T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918435 [ 12.383265][ T237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe50fb7c40 | [ 14.542724][ T39] softirqs last disabled at (55510): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 14.542728][ T39] Preemption disabled at: | [ 14.542729][ T39] 0x0 | [ 14.542743][ T39] Tainted: [W]=WARN [ 14.542744][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.542747][ T39] Workqueue: events_unbound linkwatch_event [ 14.542752][ T39] Call Trace: [ 14.542755][ T39] [ 14.542757][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.542765][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 14.542771][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.542777][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.542785][ T39] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.542789][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.542799][ T39] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.542802][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.542809][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 14.542814][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.542820][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.542831][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.542843][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.542848][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.542854][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.542861][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.542868][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.542876][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.542879][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.542887][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.542895][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.542897][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.542907][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.542912][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.542914][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.542918][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.542925][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.542928][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.542934][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 14.542940][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.542944][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.542948][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.542958][ T39] _printk (kernel/printk/printk.c:2504) [ 14.542963][ T39] ? snapshot_read.cold (user.c:?) [ 14.542973][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.542981][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.542987][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 14.542992][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 14.542996][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 14.543002][ T39] br_device_event (net/bridge/br.c:101) [ 14.543008][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.543011][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 14.543022][ T39] notifier_call_chain (kernel/notifier.c:85) [ 14.543033][ T39] netif_state_change (net/core/dev.c:1625) [ 14.543040][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.543049][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 14.543053][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 14.543059][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.543064][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.543073][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 14.543077][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 14.543084][ T39] process_one_work (kernel/workqueue.c:3387) [ 14.543096][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.543100][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.543115][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.543128][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.543131][ T39] kthread (kernel/kthread.c:436) [ 14.543134][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.543139][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.543145][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.543152][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.543158][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.543169][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.543174][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.812268][ T245] softirqs last disabled at (47710): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 15.812270][ T245] Preemption disabled at: | [ 15.812271][ T245] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.812280][ T245] Tainted: [W]=WARN [ 15.812281][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.812283][ T245] Call Trace: [ 15.812285][ T245] [ 15.812286][ T245] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.812291][ T245] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.812293][ T245] __might_resched.cold (kernel/sched/core.c:9234) [ 15.812298][ T245] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.812301][ T245] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.812307][ T245] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.812310][ T245] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.812316][ T245] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.812319][ T245] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.812323][ T245] put_chars (drivers/char/virtio_console.c:1176) [ 15.812326][ T245] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.812330][ T245] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.812334][ T245] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.812337][ T245] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.812341][ T245] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.812345][ T245] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.812348][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812349][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812354][ T245] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.812357][ T245] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.812359][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.812362][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.812366][ T245] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.812369][ T245] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.812374][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.812376][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.812380][ T245] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.812384][ T245] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.812385][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812391][ T245] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.812394][ T245] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.812395][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.812397][ T245] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.812401][ T245] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.812403][ T245] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.812406][ T245] vprintk_emit (kernel/printk/printk.c:2479) [ 15.812410][ T245] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.812411][ T245] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.812418][ T245] _printk (kernel/printk/printk.c:2504) [ 15.812422][ T245] ? snapshot_read.cold (user.c:?) [ 15.812426][ T245] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.812429][ T245] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.812433][ T245] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.812436][ T245] ? netdev_notice (net/core/dev.c:13194) [ 15.812440][ T245] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 15.812443][ T245] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 15.812448][ T245] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 15.812452][ T245] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 15.812457][ T245] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 15.812461][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 15.812463][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.812466][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.812474][ T245] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.812478][ T245] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 15.812479][ T245] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 15.812482][ T245] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 15.812488][ T245] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 15.812493][ T245] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 15.812495][ T245] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 15.812497][ T245] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 15.812499][ T245] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 15.812506][ T245] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 15.812508][ T245] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.812510][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812512][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812515][ T245] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.812538][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.812540][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.812543][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.812545][ T245] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.812548][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812553][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.812555][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.812557][ T245] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.812559][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.812564][ T245] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.812566][ T245] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.812570][ T245] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.812572][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812577][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.812579][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.812583][ T245] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.812586][ T245] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.812589][ T245] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.812596][ T245] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 15.812598][ T245] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 15.812602][ T245] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.812606][ T245] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.812609][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.812614][ T245] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.812618][ T245] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.812622][ T245] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.812628][ T245] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.812631][ T245] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.812633][ T245] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.812634][ T245] ? move_addr_to_kernel (net/socket.c:258) [ 15.812642][ T245] ___sys_sendmsg (net/socket.c:2767) [ 15.812644][ T245] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.812661][ T245] __sys_sendmsg (net/socket.c:2799) [ 15.812664][ T245] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.812670][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.812674][ T245] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.812676][ T245] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.812679][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.812682][ T245] RIP: 0033:0x7f4ba805454e [ 15.812686][ T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 15.812690][ T245] RSP: 002b:00007fffe18044f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.812693][ T245] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4ba805454e [ 15.812695][ T245] RDX: 0000000000000000 RSI: 00007fffe18045a0 RDI: 0000000000000005 [ 15.812695][ T245] RBP: 00007fffe1804500 R08: 0000000000000000 R09: 0000000000000000 [ 15.812696][ T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918439 [ 15.812697][ T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe1804c60 | [ 17.570574][ T259] softirqs last disabled at (41312): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 17.570576][ T259] Preemption disabled at: | [ 17.570577][ T259] 0x0 | [ 17.570588][ T259] Tainted: [W]=WARN [ 17.570589][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.570591][ T259] Call Trace: [ 17.570592][ T259] [ 17.570594][ T259] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.570600][ T259] __might_resched.cold (kernel/sched/core.c:9234) [ 17.570605][ T259] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.570608][ T259] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.570614][ T259] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.570617][ T259] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.570623][ T259] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.570626][ T259] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.570630][ T259] put_chars (drivers/char/virtio_console.c:1176) [ 17.570632][ T259] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 17.570635][ T259] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.570642][ T259] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.570650][ T259] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.570653][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.570658][ T259] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.570661][ T259] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.570665][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.570669][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.570673][ T259] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.570677][ T259] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.570678][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.570684][ T259] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.570689][ T259] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.570691][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.570693][ T259] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.570697][ T259] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.570699][ T259] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.570702][ T259] vprintk_emit (kernel/printk/printk.c:2479) [ 17.570705][ T259] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.570707][ T259] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.570710][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.570712][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.570717][ T259] _printk (kernel/printk/printk.c:2504) [ 17.570721][ T259] ? snapshot_read.cold (user.c:?) [ 17.570728][ T259] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.570732][ T259] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 17.570736][ T259] br_device_event (net/bridge/br.c:111) [ 17.570739][ T259] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.570743][ T259] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.570749][ T259] notifier_call_chain (kernel/notifier.c:85) [ 17.570755][ T259] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 17.570760][ T259] ? netif_change_name (net/core/dev.c:1517) [ 17.570762][ T259] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 17.570765][ T259] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 17.570768][ T259] ? __kernel_text_address (kernel/extable.c:79) [ 17.570771][ T259] ? write_profile (profile.c:?) [ 17.570775][ T259] netif_change_flags (net/core/dev.c:9882) [ 17.570779][ T259] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 17.570783][ T259] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.570785][ T259] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.570787][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 17.570790][ T259] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 17.570793][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.570795][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.570797][ T259] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.570800][ T259] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.570802][ T259] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.570803][ T259] ? kasan_save_track (mm/kasan/common.c:78) [ 17.570806][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.570808][ T259] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 17.570811][ T259] ? ___sys_sendmsg (net/socket.c:2757) [ 17.570816][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.570818][ T259] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.570821][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.570823][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.570825][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.570826][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.570828][ T259] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.570831][ T259] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 17.570833][ T259] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.570835][ T259] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.570839][ T259] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.570844][ T259] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.570850][ T259] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.570856][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.570858][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.570863][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.570865][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.570868][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.570870][ T259] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.570874][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.570877][ T259] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.570881][ T259] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.570883][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.570887][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.570890][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.570893][ T259] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.570895][ T259] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.570899][ T259] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.570905][ T259] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 17.570907][ T259] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 17.570911][ T259] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.570915][ T259] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.570918][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.570922][ T259] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.570926][ T259] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.570930][ T259] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.570936][ T259] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.570938][ T259] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.570940][ T259] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.570942][ T259] ? move_addr_to_kernel (net/socket.c:258) [ 17.570949][ T259] ___sys_sendmsg (net/socket.c:2767) [ 17.570952][ T259] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.570969][ T259] __sys_sendmsg (net/socket.c:2799) [ 17.570972][ T259] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.570978][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.570981][ T259] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.570983][ T259] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.570987][ T259] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.570989][ T259] RIP: 0033:0x7fbea04ec54e [ 17.570992][ T259] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 17.570993][ T259] RSP: 002b:00007ffd9aa101b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.570996][ T259] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbea04ec54e [ 17.570998][ T259] RDX: 0000000000000000 RSI: 00007ffd9aa10260 RDI: 0000000000000005 [ 17.570999][ T259] RBP: 00007ffd9aa101c0 R08: 0000000000000000 R09: 0000000000000000 [ 17.570999][ T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91843a [ 17.571000][ T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9aa10920 | [ 19.696190][ T48] softirqs last disabled at (70342): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.696193][ T48] Preemption disabled at: | [ 19.696194][ T48] 0x0 | [ 19.696205][ T48] Tainted: [W]=WARN [ 19.696206][ T48] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.696208][ T48] Workqueue: events_unbound linkwatch_event [ 19.696212][ T48] Call Trace: [ 19.696214][ T48] [ 19.696216][ T48] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.696222][ T48] __might_resched.cold (kernel/sched/core.c:9234) [ 19.696227][ T48] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.696231][ T48] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.696237][ T48] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 19.696240][ T48] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.696246][ T48] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.696249][ T48] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.696252][ T48] put_chars (drivers/char/virtio_console.c:1176) [ 19.696256][ T48] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.696260][ T48] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.696266][ T48] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.696273][ T48] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.696276][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.696280][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.696284][ T48] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.696288][ T48] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.696292][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.696294][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.696299][ T48] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.696303][ T48] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.696304][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.696310][ T48] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.696313][ T48] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.696314][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.696316][ T48] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.696320][ T48] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.696322][ T48] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.696326][ T48] vprintk_emit (kernel/printk/printk.c:2479) [ 19.696329][ T48] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.696331][ T48] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.696334][ T48] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.696339][ T48] _printk (kernel/printk/printk.c:2504) [ 19.696343][ T48] ? snapshot_read.cold (user.c:?) [ 19.696348][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.696353][ T48] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.696357][ T48] br_init_port (net/bridge/br_stp_if.c:39) [ 19.696360][ T48] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.696362][ T48] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.696366][ T48] br_device_event (net/bridge/br.c:101) [ 19.696369][ T48] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.696371][ T48] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 19.696378][ T48] notifier_call_chain (kernel/notifier.c:85) [ 19.696385][ T48] netif_state_change (net/core/dev.c:1625) [ 19.696390][ T48] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.696394][ T48] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.696397][ T48] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.696401][ T48] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.696404][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.696409][ T48] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.696411][ T48] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.696416][ T48] process_one_work (kernel/workqueue.c:3387) [ 19.696422][ T48] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.696424][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.696433][ T48] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.696436][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.696438][ T48] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.696441][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.696444][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.696445][ T48] kthread (kernel/kthread.c:436) [ 19.696448][ T48] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.696451][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.696455][ T48] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.696459][ T48] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.696463][ T48] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.696467][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.696470][ T48] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.927560][ T267] softirqs last disabled at (46170): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 20.927563][ T267] Preemption disabled at: | [ 20.927563][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.927573][ T267] Tainted: [W]=WARN [ 20.927574][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.927576][ T267] Call Trace: [ 20.927577][ T267] [ 20.927579][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.927584][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.927586][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 20.927591][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.927594][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.927600][ T267] __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)) [ 20.927603][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.927609][ T267] ? 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) [ 20.927611][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.927615][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 20.927618][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.927622][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.927626][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.927629][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.927633][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.927637][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.927640][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927641][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927646][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.927648][ T267] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.927651][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.927653][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.927657][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.927661][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.927665][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.927667][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.927671][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.927674][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.927676][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927681][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.927684][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.927685][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.927689][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.927693][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.927695][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.927698][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 20.927701][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.927703][ T267] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.927710][ T267] _printk (kernel/printk/printk.c:2504) [ 20.927713][ T267] ? snapshot_read.cold (user.c:?) [ 20.927718][ T267] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.927721][ T267] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.927724][ T267] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.927727][ T267] ? netdev_notice (net/core/dev.c:13194) [ 20.927731][ T267] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 20.927734][ T267] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 20.927738][ T267] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 20.927742][ T267] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 20.927747][ T267] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 20.927751][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 20.927753][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.927756][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.927763][ T267] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.927768][ T267] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 20.927769][ T267] ? 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)) [ 20.927772][ T267] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 20.927777][ T267] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 20.927783][ T267] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 20.927785][ T267] ? 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) [ 20.927787][ T267] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 20.927788][ T267] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 20.927795][ T267] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 20.927797][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.927799][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927801][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927804][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.927825][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.927827][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.927830][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.927832][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.927835][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927840][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.927842][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.927844][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.927846][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.927850][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.927853][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.927856][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.927858][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927863][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.927865][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.927869][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.927872][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.927875][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.927881][ T267] ? 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)) [ 20.927883][ T267] ? 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)) [ 20.927887][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.927891][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.927894][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.927898][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.927902][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.927906][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 20.927912][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 20.927915][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.927917][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 20.927919][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 20.927926][ T267] ___sys_sendmsg (net/socket.c:2767) [ 20.927928][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.927944][ T267] __sys_sendmsg (net/socket.c:2799) [ 20.927947][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.927953][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.927956][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.927959][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.927962][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.927964][ T267] RIP: 0033:0x7ff3edd5e54e [ 20.927968][ T267] 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 [ 20.927970][ T267] RSP: 002b:00007ffd0d1b52e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.927973][ T267] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff3edd5e54e [ 20.927974][ T267] RDX: 0000000000000000 RSI: 00007ffd0d1b5390 RDI: 0000000000000005 [ 20.927975][ T267] RBP: 00007ffd0d1b52f0 R08: 0000000000000000 R09: 0000000000000000 [ 20.927976][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91843e [ 20.927977][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0d1b5a50 | [ 22.706352][ T281] softirqs last disabled at (30984): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 22.706355][ T281] Preemption disabled at: | [ 22.706355][ T281] 0x0 | [ 22.706366][ T281] Tainted: [W]=WARN [ 22.706367][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.706368][ T281] Call Trace: [ 22.706370][ T281] [ 22.706372][ T281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.706377][ T281] __might_resched.cold (kernel/sched/core.c:9234) [ 22.706382][ T281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.706386][ T281] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.706392][ T281] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.706394][ T281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.706401][ T281] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.706403][ T281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.706407][ T281] put_chars (drivers/char/virtio_console.c:1176) [ 22.706410][ T281] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 22.706412][ T281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.706420][ T281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.706428][ T281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.706431][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.706436][ T281] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.706440][ T281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.706444][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.706448][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.706453][ T281] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.706457][ T281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.706458][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.706464][ T281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.706467][ T281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.706468][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.706470][ T281] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.706475][ T281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.706477][ T281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.706480][ T281] vprintk_emit (kernel/printk/printk.c:2479) [ 22.706484][ T281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.706485][ T281] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.706488][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.706491][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.706496][ T281] _printk (kernel/printk/printk.c:2504) [ 22.706499][ T281] ? snapshot_read.cold (user.c:?) [ 22.706507][ T281] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.706512][ T281] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 22.706516][ T281] br_device_event (net/bridge/br.c:111) [ 22.706518][ T281] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 22.706522][ T281] ? packet_sendmsg_spkt (af_packet.c:?) [ 22.706528][ T281] notifier_call_chain (kernel/notifier.c:85) [ 22.706535][ T281] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 22.706540][ T281] ? netif_change_name (net/core/dev.c:1517) [ 22.706542][ T281] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 22.706545][ T281] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 22.706548][ T281] ? __kernel_text_address (kernel/extable.c:79) [ 22.706551][ T281] ? write_profile (profile.c:?) [ 22.706556][ T281] netif_change_flags (net/core/dev.c:9882) [ 22.706560][ T281] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 22.706564][ T281] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.706567][ T281] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.706568][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 22.706571][ T281] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 22.706574][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.706577][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.706579][ T281] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.706582][ T281] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.706584][ T281] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.706585][ T281] ? kasan_save_track (mm/kasan/common.c:78) [ 22.706588][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.706590][ T281] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 22.706593][ T281] ? ___sys_sendmsg (net/socket.c:2757) [ 22.706598][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.706600][ T281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.706604][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.706606][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.706608][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.706609][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.706611][ T281] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.706614][ T281] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 22.706615][ T281] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.706617][ T281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.706622][ T281] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.706627][ T281] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.706634][ T281] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.706640][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.706642][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.706648][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.706650][ T281] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.706652][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.706655][ T281] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.706659][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.706662][ T281] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.706666][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.706667][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.706673][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.706675][ T281] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.706679][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.706681][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.706685][ T281] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.706694][ T281] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 22.706696][ T281] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 22.706700][ T281] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.706704][ T281] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.706707][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.706712][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.706716][ T281] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.706720][ T281] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 22.706726][ T281] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 22.706728][ T281] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.706730][ T281] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 22.706732][ T281] ? move_addr_to_kernel (net/socket.c:258) [ 22.706739][ T281] ___sys_sendmsg (net/socket.c:2767) [ 22.706742][ T281] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.706759][ T281] __sys_sendmsg (net/socket.c:2799) [ 22.706761][ T281] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.706768][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.706771][ T281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.706773][ T281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.706777][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.706779][ T281] RIP: 0033:0x7faa53f3254e [ 22.706781][ T281] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 22.706783][ T281] RSP: 002b:00007ffe5c2e3ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.706786][ T281] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faa53f3254e [ 22.706787][ T281] RDX: 0000000000000000 RSI: 00007ffe5c2e3f50 RDI: 0000000000000005 [ 22.706788][ T281] RBP: 00007ffe5c2e3eb0 R08: 0000000000000000 R09: 0000000000000000 [ 22.706789][ T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918440 [ 22.706790][ T281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5c2e4610 | [ 24.825716][ T61] softirqs last disabled at (9082): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 24.825720][ T61] Preemption disabled at: | [ 24.825721][ T61] 0x0 | [ 24.825735][ T61] Tainted: [W]=WARN [ 24.825736][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.825739][ T61] Workqueue: events_unbound linkwatch_event [ 24.825743][ T61] Call Trace: [ 24.825746][ T61] [ 24.825749][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.825757][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 24.825764][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.825769][ T61] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.825777][ T61] __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)) [ 24.825781][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.825791][ T61] ? 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) [ 24.825794][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.825800][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 24.825805][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.825811][ T61] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.825821][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.825833][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.825838][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.825843][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.825851][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.825857][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.825865][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.825869][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.825876][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.825884][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.825886][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.825896][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.825900][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.825903][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.825906][ T61] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.825913][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.825916][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.825922][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 24.825927][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.825932][ T61] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.825936][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.825944][ T61] _printk (kernel/printk/printk.c:2504) [ 24.825950][ T61] ? snapshot_read.cold (user.c:?) [ 24.825962][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.825969][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.825976][ T61] br_init_port (net/bridge/br_stp_if.c:39) [ 24.825980][ T61] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 24.825984][ T61] br_port_carrier_check (net/bridge/br_if.c:90) [ 24.825990][ T61] br_device_event (net/bridge/br.c:101) [ 24.825995][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.825998][ T61] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 24.826009][ T61] notifier_call_chain (kernel/notifier.c:85) [ 24.826020][ T61] netif_state_change (net/core/dev.c:1625) [ 24.826027][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.826036][ T61] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 24.826040][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 24.826046][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.826051][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.826059][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 24.826063][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 24.826070][ T61] process_one_work (kernel/workqueue.c:3387) [ 24.826082][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.826086][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.826101][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.826107][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.826110][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 24.826115][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.826119][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.826121][ T61] kthread (kernel/kthread.c:436) [ 24.826124][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.826129][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.826134][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.826140][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.826147][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.826152][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.826157][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.112104][ T289] softirqs last disabled at (42326): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 26.112107][ T289] Preemption disabled at: | [ 26.112107][ T289] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.112117][ T289] Tainted: [W]=WARN [ 26.112118][ T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.112120][ T289] Call Trace: [ 26.112122][ T289] [ 26.112123][ T289] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.112128][ T289] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.112130][ T289] __might_resched.cold (kernel/sched/core.c:9234) [ 26.112135][ T289] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.112139][ T289] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.112145][ T289] __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)) [ 26.112148][ T289] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.112154][ T289] ? 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) [ 26.112156][ T289] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.112160][ T289] put_chars (drivers/char/virtio_console.c:1176) [ 26.112164][ T289] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.112168][ T289] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.112171][ T289] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.112174][ T289] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.112179][ T289] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.112183][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.112185][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112187][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112192][ T289] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.112199][ T289] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 26.112202][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.112204][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.112209][ T289] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.112213][ T289] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.112217][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.112219][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.112223][ T289] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.112227][ T289] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.112228][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112234][ T289] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.112236][ T289] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.112238][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.112240][ T289] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.112244][ T289] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.112246][ T289] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.112249][ T289] vprintk_emit (kernel/printk/printk.c:2479) [ 26.112252][ T289] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.112254][ T289] ? packet_sendmsg_spkt (af_packet.c:?) [ 26.112261][ T289] _printk (kernel/printk/printk.c:2504) [ 26.112264][ T289] ? snapshot_read.cold (user.c:?) [ 26.112269][ T289] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.112272][ T289] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.112276][ T289] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.112278][ T289] ? netdev_notice (net/core/dev.c:13194) [ 26.112283][ T289] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 26.112286][ T289] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 26.112290][ T289] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 26.112294][ T289] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 26.112299][ T289] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 26.112303][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 26.112305][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.112308][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.112316][ T289] ? packet_sendmsg_spkt (af_packet.c:?) [ 26.112320][ T289] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 26.112321][ T289] ? 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)) [ 26.112325][ T289] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 26.112330][ T289] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 26.112335][ T289] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 26.112337][ T289] ? 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) [ 26.112339][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 26.112341][ T289] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 26.112348][ T289] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 26.112350][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.112352][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112354][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112357][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 26.112379][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.112381][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.112384][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.112386][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.112389][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112394][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.112396][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.112398][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 26.112401][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.112405][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 26.112407][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.112411][ T289] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.112413][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112418][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.112420][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.112424][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.112427][ T289] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.112430][ T289] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.112437][ T289] ? 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)) [ 26.112438][ T289] ? 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)) [ 26.112443][ T289] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.112447][ T289] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.112449][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.112454][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.112458][ T289] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.112462][ T289] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 26.112468][ T289] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 26.112471][ T289] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.112473][ T289] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 26.112475][ T289] ? move_addr_to_kernel (net/socket.c:258) [ 26.112482][ T289] ___sys_sendmsg (net/socket.c:2767) [ 26.112484][ T289] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.112500][ T289] __sys_sendmsg (net/socket.c:2799) [ 26.112503][ T289] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.112509][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.112513][ T289] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.112515][ T289] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.112519][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.112521][ T289] RIP: 0033:0x7f142514954e [ 26.112525][ T289] 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 [ 26.112527][ T289] RSP: 002b:00007ffcb0f38990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.112530][ T289] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f142514954e [ 26.112531][ T289] RDX: 0000000000000000 RSI: 00007ffcb0f38a40 RDI: 0000000000000005 [ 26.112532][ T289] RBP: 00007ffcb0f389a0 R08: 0000000000000000 R09: 0000000000000000 [ 26.112533][ T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918443 [ 26.112534][ T289] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb0f39100 | [ 27.706953][ T12] softirqs last disabled at (16192): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 27.706956][ T12] Preemption disabled at: | [ 27.706957][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.706967][ T12] Tainted: [W]=WARN [ 27.706968][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.706970][ T12] Workqueue: bond0 bond_mii_monitor [ 27.706974][ T12] Call Trace: [ 27.706976][ T12] [ 27.706980][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.706985][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.706987][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 27.706992][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.706995][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.707001][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 27.707003][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.707010][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 27.707012][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.707016][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 27.707019][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.707021][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.707024][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.707028][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.707033][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.707037][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.707039][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.707044][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.707048][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.707050][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.707055][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.707059][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.707063][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.707065][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.707069][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.707073][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.707075][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.707080][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.707083][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.707084][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.707086][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.707090][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.707092][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.707095][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 27.707099][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.707100][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.707104][ T12] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 27.707109][ T12] _printk (kernel/printk/printk.c:2504) [ 27.707113][ T12] ? snapshot_read.cold (user.c:?) [ 27.707117][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.707120][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.707124][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.707126][ T12] ? netdev_notice (net/core/dev.c:13194) [ 27.707130][ T12] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 27.707138][ T12] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 27.707145][ T12] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 27.707146][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.707149][ T12] ? 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)) [ 27.707152][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.707154][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.707158][ T12] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 27.707160][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 27.707162][ T12] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 27.707164][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.707166][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.707168][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.707171][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 27.707173][ T12] process_one_work (kernel/workqueue.c:3387) [ 27.707179][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.707182][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.707190][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.707196][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.707198][ T12] kthread (kernel/kthread.c:436) [ 27.707206][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.707210][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.707213][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.707218][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.707221][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.707225][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.707228][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.118239][ T61] softirqs last disabled at (10296): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 30.118242][ T61] Preemption disabled at: | [ 30.118243][ T61] 0x0 | [ 30.118254][ T61] Tainted: [W]=WARN [ 30.118255][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.118257][ T61] Workqueue: events_unbound linkwatch_event [ 30.118261][ T61] Call Trace: [ 30.118263][ T61] [ 30.118265][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.118271][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 30.118276][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.118280][ T61] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.118286][ T61] __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)) [ 30.118288][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.118295][ T61] ? 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) [ 30.118297][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.118301][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 30.118305][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.118309][ T61] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.118315][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.118323][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.118326][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.118330][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.118335][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.118338][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.118343][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.118345][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.118349][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.118354][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.118355][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.118361][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.118364][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.118365][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.118367][ T61] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.118372][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.118374][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.118377][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 30.118381][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.118383][ T61] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.118386][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.118391][ T61] _printk (kernel/printk/printk.c:2504) [ 30.118395][ T61] ? snapshot_read.cold (user.c:?) [ 30.118400][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.118405][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 30.118409][ T61] br_init_port (net/bridge/br_stp_if.c:39) [ 30.118412][ T61] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 30.118414][ T61] br_port_carrier_check (net/bridge/br_if.c:90) [ 30.118418][ T61] br_device_event (net/bridge/br.c:101) [ 30.118422][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.118424][ T61] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 30.118431][ T61] notifier_call_chain (kernel/notifier.c:85) [ 30.118438][ T61] netif_state_change (net/core/dev.c:1625) [ 30.118442][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.118447][ T61] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 30.118450][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 30.118453][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.118457][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.118462][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 30.118464][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 30.118469][ T61] process_one_work (kernel/workqueue.c:3387) [ 30.118475][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 30.118478][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.118486][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 30.118490][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.118492][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 30.118495][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.118498][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.118499][ T61] kthread (kernel/kthread.c:436) [ 30.118502][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.118505][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.118509][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 30.118513][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 30.118517][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 30.118521][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.118524][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.434270][ T311] softirqs last disabled at (44654): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 31.434272][ T311] Preemption disabled at: | [ 31.434273][ T311] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.434282][ T311] Tainted: [W]=WARN [ 31.434283][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.434285][ T311] Call Trace: [ 31.434287][ T311] [ 31.434288][ T311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.434293][ T311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.434295][ T311] __might_resched.cold (kernel/sched/core.c:9234) [ 31.434300][ T311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.434303][ T311] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.434309][ T311] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 31.434312][ T311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.434318][ T311] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 31.434320][ T311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.434324][ T311] put_chars (drivers/char/virtio_console.c:1176) [ 31.434327][ T311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.434331][ T311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.434334][ T311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.434337][ T311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.434341][ T311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.434346][ T311] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.434348][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434350][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434354][ T311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.434356][ T311] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 31.434359][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.434361][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.434365][ T311] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.434368][ T311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.434372][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.434374][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.434378][ T311] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.434382][ T311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.434383][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434388][ T311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.434391][ T311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.434392][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.434394][ T311] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.434398][ T311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.434400][ T311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.434402][ T311] vprintk_emit (kernel/printk/printk.c:2479) [ 31.434406][ T311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.434407][ T311] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.434414][ T311] _printk (kernel/printk/printk.c:2504) [ 31.434417][ T311] ? snapshot_read.cold (user.c:?) [ 31.434421][ T311] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 31.434424][ T311] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 31.434428][ T311] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 31.434430][ T311] ? netdev_notice (net/core/dev.c:13194) [ 31.434435][ T311] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 31.434438][ T311] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 31.434442][ T311] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 31.434445][ T311] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 31.434451][ T311] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 31.434454][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 31.434456][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.434459][ T311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.434466][ T311] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.434470][ T311] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 31.434471][ T311] ? 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)) [ 31.434475][ T311] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 31.434479][ T311] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 31.434485][ T311] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 31.434487][ T311] ? 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) [ 31.434489][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 31.434490][ T311] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 31.434497][ T311] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 31.434499][ T311] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.434501][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434503][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434505][ T311] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 31.434526][ T311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.434528][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.434531][ T311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.434533][ T311] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.434536][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434540][ T311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.434542][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.434544][ T311] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 31.434547][ T311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.434550][ T311] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 31.434553][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.434556][ T311] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.434558][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434563][ T311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.434565][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.434569][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.434572][ T311] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.434575][ T311] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.434581][ T311] ? 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)) [ 31.434583][ T311] ? 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)) [ 31.434587][ T311] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.434590][ T311] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.434593][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.434597][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.434601][ T311] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.434605][ T311] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 31.434611][ T311] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.434614][ T311] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.434616][ T311] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.434617][ T311] ? move_addr_to_kernel (net/socket.c:258) [ 31.434624][ T311] ___sys_sendmsg (net/socket.c:2767) [ 31.434627][ T311] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.434642][ T311] __sys_sendmsg (net/socket.c:2799) [ 31.434644][ T311] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.434650][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.434653][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.434656][ T311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.434659][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.434661][ T311] RIP: 0033:0x7fb25967554e [ 31.434665][ T311] 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 [ 31.434667][ T311] RSP: 002b:00007fff432b9180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.434670][ T311] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb25967554e [ 31.434671][ T311] RDX: 0000000000000000 RSI: 00007fff432b9230 RDI: 0000000000000005 [ 31.434672][ T311] RBP: 00007fff432b9190 R08: 0000000000000000 R09: 0000000000000000 [ 31.434673][ T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918448 [ 31.434674][ T311] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff432b98f0 | [ 33.280835][ T326] softirqs last disabled at (46578): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 33.280838][ T326] Preemption disabled at: | [ 33.280839][ T326] 0x0 | [ 33.280849][ T326] Tainted: [W]=WARN [ 33.280850][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.280852][ T326] Call Trace: [ 33.280854][ T326] [ 33.280856][ T326] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.280862][ T326] __might_resched.cold (kernel/sched/core.c:9234) [ 33.280866][ T326] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.280870][ T326] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.280875][ T326] __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)) [ 33.280878][ T326] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.280884][ T326] ? 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) [ 33.280886][ T326] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.280890][ T326] put_chars (drivers/char/virtio_console.c:1176) [ 33.280892][ T326] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 33.280895][ T326] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.280902][ T326] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.280910][ T326] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.280913][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.280917][ T326] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.280921][ T326] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.280924][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.280928][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.280932][ T326] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.280935][ T326] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.280937][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.280942][ T326] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.280945][ T326] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.280946][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.280948][ T326] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.280952][ T326] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.280954][ T326] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.280957][ T326] vprintk_emit (kernel/printk/printk.c:2479) [ 33.280960][ T326] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.280962][ T326] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.280964][ T326] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.280967][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.280971][ T326] _printk (kernel/printk/printk.c:2504) [ 33.280974][ T326] ? snapshot_read.cold (user.c:?) [ 33.280982][ T326] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.280986][ T326] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 33.280989][ T326] br_device_event (net/bridge/br.c:111) [ 33.280991][ T326] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.280995][ T326] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.281001][ T326] notifier_call_chain (kernel/notifier.c:85) [ 33.281007][ T326] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 33.281011][ T326] ? netif_change_name (net/core/dev.c:1517) [ 33.281014][ T326] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 33.281016][ T326] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 33.281019][ T326] ? __kernel_text_address (kernel/extable.c:79) [ 33.281022][ T326] ? write_profile (profile.c:?) [ 33.281026][ T326] netif_change_flags (net/core/dev.c:9882) [ 33.281030][ T326] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 33.281034][ T326] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 33.281036][ T326] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 33.281038][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 33.281040][ T326] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 33.281043][ T326] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.281045][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.281047][ T326] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.281050][ T326] ? kasan_save_stack (mm/kasan/common.c:58) [ 33.281052][ T326] ? kasan_save_stack (mm/kasan/common.c:57) [ 33.281053][ T326] ? kasan_save_track (mm/kasan/common.c:78) [ 33.281055][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.281058][ T326] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 33.281060][ T326] ? ___sys_sendmsg (net/socket.c:2757) [ 33.281065][ T326] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.281067][ T326] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 33.281070][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.281072][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.281074][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.281075][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.281077][ T326] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 33.281079][ T326] ? __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) [ 33.281081][ T326] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 33.281083][ T326] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 33.281087][ T326] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 33.281092][ T326] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 33.281098][ T326] rtnl_newlink (net/core/rtnetlink.c:4215) [ 33.281103][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.281106][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.281110][ T326] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.281113][ T326] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.281115][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.281117][ T326] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.281121][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.281124][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 33.281127][ T326] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 33.281129][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.281133][ T326] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.281136][ T326] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.281139][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.281141][ T326] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 33.281144][ T326] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.281151][ T326] ? 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)) [ 33.281152][ T326] ? 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)) [ 33.281156][ T326] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.281160][ T326] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.281163][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.281167][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.281171][ T326] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.281175][ T326] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 33.281181][ T326] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 33.281183][ T326] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.281185][ T326] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 33.281186][ T326] ? move_addr_to_kernel (net/socket.c:258) [ 33.281193][ T326] ___sys_sendmsg (net/socket.c:2767) [ 33.281196][ T326] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.281211][ T326] __sys_sendmsg (net/socket.c:2799) [ 33.281214][ T326] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.281225][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.281228][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.281230][ T326] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.281233][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.281235][ T326] RIP: 0033:0x7fc69fcaf54e [ 33.281237][ T326] 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 [ 33.281239][ T326] RSP: 002b:00007fffed978400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.281242][ T326] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc69fcaf54e [ 33.281243][ T326] RDX: 0000000000000000 RSI: 00007fffed9784b0 RDI: 0000000000000005 [ 33.281244][ T326] RBP: 00007fffed978410 R08: 0000000000000000 R09: 0000000000000000 [ 33.281245][ T326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91844a [ 33.281246][ T326] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffed978b70 | [ 35.399004][ T36] softirqs last disabled at (53500): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 35.399007][ T36] Preemption disabled at: | [ 35.399008][ T36] 0x0 | [ 35.399019][ T36] Tainted: [W]=WARN [ 35.399019][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.399021][ T36] Workqueue: events_unbound linkwatch_event [ 35.399025][ T36] Call Trace: [ 35.399027][ T36] [ 35.399028][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.399034][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 35.399039][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.399043][ 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) [ 35.399048][ 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)) [ 35.399051][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.399057][ 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) [ 35.399059][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.399063][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 35.399067][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.399071][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.399076][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.399084][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.399087][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.399090][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.399095][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.399098][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.399102][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.399104][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.399108][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.399112][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.399114][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.399119][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.399122][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.399123][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.399125][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.399129][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.399131][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.399134][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 35.399137][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.399140][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.399142][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.399147][ T36] _printk (kernel/printk/printk.c:2504) [ 35.399150][ T36] ? snapshot_read.cold (user.c:?) [ 35.399156][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.399160][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 35.399163][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 35.399167][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 35.399169][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 35.399173][ T36] br_device_event (net/bridge/br.c:101) [ 35.399176][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.399178][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 35.399185][ T36] notifier_call_chain (kernel/notifier.c:85) [ 35.399191][ T36] netif_state_change (net/core/dev.c:1625) [ 35.399195][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.399200][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 35.399202][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 35.399206][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.399209][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.399213][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 35.399216][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 35.399220][ T36] process_one_work (kernel/workqueue.c:3387) [ 35.399231][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.399234][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.399242][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.399248][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.399250][ T36] kthread (kernel/kthread.c:436) [ 35.399252][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.399256][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.399259][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.399264][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.399267][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.399271][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.399274][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.621116][ T334] softirqs last disabled at (36630): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 36.621118][ T334] Preemption disabled at: | [ 36.621119][ T334] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.621128][ T334] Tainted: [W]=WARN [ 36.621129][ T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.621131][ T334] Call Trace: [ 36.621133][ T334] [ 36.621134][ T334] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.621139][ T334] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.621141][ T334] __might_resched.cold (kernel/sched/core.c:9234) [ 36.621146][ T334] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.621149][ T334] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.621155][ T334] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 36.621158][ T334] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.621164][ T334] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 36.621166][ T334] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.621169][ T334] put_chars (drivers/char/virtio_console.c:1176) [ 36.621173][ T334] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.621176][ T334] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.621180][ T334] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.621183][ T334] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.621188][ T334] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.621191][ T334] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.621194][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621195][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621200][ T334] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.621202][ T334] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 36.621205][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.621207][ T334] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.621211][ T334] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.621215][ T334] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.621219][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.621221][ T334] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.621230][ T334] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.621233][ T334] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.621235][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621240][ T334] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.621242][ T334] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.621244][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.621246][ T334] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.621249][ T334] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.621251][ T334] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.621254][ T334] vprintk_emit (kernel/printk/printk.c:2479) [ 36.621257][ T334] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.621259][ T334] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.621265][ T334] _printk (kernel/printk/printk.c:2504) [ 36.621269][ T334] ? snapshot_read.cold (user.c:?) [ 36.621273][ T334] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.621276][ T334] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.621279][ T334] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.621282][ T334] ? netdev_notice (net/core/dev.c:13194) [ 36.621286][ T334] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 36.621289][ T334] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 36.621293][ T334] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 36.621297][ T334] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 36.621302][ T334] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 36.621305][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 36.621307][ T334] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.621310][ T334] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.621317][ T334] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.621321][ T334] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 36.621323][ T334] ? 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)) [ 36.621326][ T334] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 36.621331][ T334] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 36.621336][ T334] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 36.621338][ T334] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 36.621340][ T334] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 36.621342][ T334] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 36.621348][ T334] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 36.621350][ T334] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.621352][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621354][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621356][ T334] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 36.621377][ T334] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.621379][ T334] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.621382][ T334] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.621384][ T334] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.621387][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621391][ T334] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.621393][ T334] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.621395][ T334] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 36.621397][ T334] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.621401][ T334] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 36.621404][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.621407][ T334] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.621409][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621413][ T334] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.621415][ T334] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.621419][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.621422][ T334] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.621425][ T334] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.621431][ T334] ? 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)) [ 36.621433][ T334] ? 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)) [ 36.621437][ T334] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.621441][ T334] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.621443][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.621447][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.621451][ T334] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.621455][ T334] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 36.621461][ T334] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.621464][ T334] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.621466][ T334] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.621467][ T334] ? move_addr_to_kernel (net/socket.c:258) [ 36.621474][ T334] ___sys_sendmsg (net/socket.c:2767) [ 36.621477][ T334] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.621492][ T334] __sys_sendmsg (net/socket.c:2799) [ 36.621494][ T334] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.621500][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.621503][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.621506][ T334] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.621509][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.621511][ T334] RIP: 0033:0x7fb4d9f7754e [ 36.621515][ T334] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 36.621517][ T334] RSP: 002b:00007fff5f1e6160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.621519][ T334] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb4d9f7754e [ 36.621520][ T334] RDX: 0000000000000000 RSI: 00007fff5f1e6210 RDI: 0000000000000005 [ 36.621521][ T334] RBP: 00007fff5f1e6170 R08: 0000000000000000 R09: 0000000000000000 [ 36.621522][ T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91844e [ 36.621523][ T334] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5f1e68d0 | [ 38.390198][ T348] softirqs last disabled at (40610): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 38.390200][ T348] Preemption disabled at: | [ 38.390201][ T348] 0x0 | [ 38.390212][ T348] Tainted: [W]=WARN [ 38.390213][ T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.390215][ T348] Call Trace: [ 38.390216][ T348] [ 38.390218][ T348] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.390224][ T348] __might_resched.cold (kernel/sched/core.c:9234) [ 38.390228][ T348] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.390237][ T348] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.390242][ T348] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 38.390245][ T348] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.390251][ T348] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 38.390254][ T348] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.390257][ T348] put_chars (drivers/char/virtio_console.c:1176) [ 38.390260][ T348] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 38.390262][ T348] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.390269][ T348] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.390276][ T348] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.390279][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.390284][ T348] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.390288][ T348] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.390292][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.390295][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.390299][ T348] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.390303][ T348] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.390304][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.390310][ T348] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.390312][ T348] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.390314][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.390315][ T348] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.390319][ T348] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.390321][ T348] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.390324][ T348] vprintk_emit (kernel/printk/printk.c:2479) [ 38.390327][ T348] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.390329][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.390331][ T348] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.390334][ T348] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.390338][ T348] _printk (kernel/printk/printk.c:2504) [ 38.390342][ T348] ? snapshot_read.cold (user.c:?) [ 38.390349][ T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.390353][ T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 38.390357][ T348] br_device_event (net/bridge/br.c:111) [ 38.390359][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 38.390363][ T348] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.390368][ T348] notifier_call_chain (kernel/notifier.c:85) [ 38.390375][ T348] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 38.390379][ T348] ? netif_change_name (net/core/dev.c:1517) [ 38.390382][ T348] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 38.390384][ T348] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 38.390387][ T348] ? __kernel_text_address (kernel/extable.c:79) [ 38.390390][ T348] ? write_profile (profile.c:?) [ 38.390394][ T348] netif_change_flags (net/core/dev.c:9882) [ 38.390398][ T348] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 38.390402][ T348] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.390404][ T348] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.390406][ T348] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.390408][ T348] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.390411][ T348] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.390413][ T348] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.390415][ T348] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.390418][ T348] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.390421][ T348] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.390422][ T348] ? kasan_save_track (mm/kasan/common.c:78) [ 38.390424][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.390426][ T348] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 38.390429][ T348] ? ___sys_sendmsg (net/socket.c:2757) [ 38.390434][ T348] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.390436][ T348] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.390439][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.390441][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.390442][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.390444][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.390445][ T348] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.390448][ T348] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 38.390450][ T348] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.390452][ T348] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.390456][ T348] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.390461][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.390466][ T348] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.390472][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.390474][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.390479][ T348] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.390481][ T348] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.390483][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.390485][ T348] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.390490][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.390492][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.390496][ T348] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.390497][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.390502][ T348] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.390504][ T348] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.390508][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.390510][ T348] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.390513][ T348] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.390519][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 38.390521][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 38.390525][ T348] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.390529][ T348] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.390531][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.390536][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.390539][ T348] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.390543][ T348] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 38.390549][ T348] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 38.390551][ T348] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.390553][ T348] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 38.390555][ T348] ? move_addr_to_kernel (net/socket.c:258) [ 38.390562][ T348] ___sys_sendmsg (net/socket.c:2767) [ 38.390564][ T348] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.390580][ T348] __sys_sendmsg (net/socket.c:2799) [ 38.390582][ T348] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.390588][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.390591][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.390593][ T348] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.390596][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.390599][ T348] RIP: 0033:0x7f4b7063854e [ 38.390601][ T348] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 38.390603][ T348] RSP: 002b:00007ffe8a508310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.390605][ T348] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4b7063854e [ 38.390607][ T348] RDX: 0000000000000000 RSI: 00007ffe8a5083c0 RDI: 0000000000000005 [ 38.390607][ T348] RBP: 00007ffe8a508320 R08: 0000000000000000 R09: 0000000000000000 [ 38.390608][ T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91844f [ 38.390609][ T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8a508a80 | [ 40.507068][ T61] softirqs last disabled at (41498): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 40.507071][ T61] Preemption disabled at: | [ 40.507071][ T61] 0x0 | [ 40.507082][ T61] Tainted: [W]=WARN [ 40.507082][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.507084][ T61] Workqueue: events_unbound linkwatch_event [ 40.507088][ T61] Call Trace: [ 40.507090][ T61] [ 40.507091][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.507097][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 40.507102][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.507105][ T61] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.507111][ T61] __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)) [ 40.507114][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.507120][ T61] ? 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) [ 40.507122][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.507126][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 40.507129][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.507133][ T61] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.507138][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.507146][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.507149][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.507153][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.507157][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.507160][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.507165][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.507167][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.507171][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.507175][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.507176][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.507182][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.507184][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.507185][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.507187][ T61] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.507191][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.507193][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.507196][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 40.507200][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.507202][ T61] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.507205][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.507209][ T61] _printk (kernel/printk/printk.c:2504) [ 40.507213][ T61] ? snapshot_read.cold (user.c:?) [ 40.507219][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.507223][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 40.507226][ T61] br_init_port (net/bridge/br_stp_if.c:39) [ 40.507229][ T61] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 40.507231][ T61] br_port_carrier_check (net/bridge/br_if.c:90) [ 40.507240][ T61] br_device_event (net/bridge/br.c:101) [ 40.507244][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.507246][ T61] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 40.507253][ T61] notifier_call_chain (kernel/notifier.c:85) [ 40.507259][ T61] netif_state_change (net/core/dev.c:1625) [ 40.507263][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.507268][ T61] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 40.507270][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 40.507274][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.507277][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.507281][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 40.507284][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 40.507288][ T61] process_one_work (kernel/workqueue.c:3387) [ 40.507294][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.507297][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.507304][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.507308][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.507310][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.507313][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.507315][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.507317][ T61] kthread (kernel/kthread.c:436) [ 40.507319][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.507323][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.507326][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.507330][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.507334][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.507337][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.507340][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.753288][ T356] softirqs last disabled at (46132): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 41.753290][ T356] Preemption disabled at: | [ 41.753291][ T356] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.753301][ T356] Tainted: [W]=WARN [ 41.753302][ T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.753304][ T356] Call Trace: [ 41.753305][ T356] [ 41.753307][ T356] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.753313][ T356] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.753314][ T356] __might_resched.cold (kernel/sched/core.c:9234) [ 41.753319][ T356] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.753323][ T356] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.753329][ T356] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.753331][ T356] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.753338][ T356] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.753340][ T356] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.753344][ T356] put_chars (drivers/char/virtio_console.c:1176) [ 41.753347][ T356] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.753351][ T356] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.753355][ T356] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.753358][ T356] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.753362][ T356] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.753367][ T356] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.753369][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753371][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753375][ T356] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.753378][ T356] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 41.753381][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.753383][ T356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.753387][ T356] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.753391][ T356] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.753395][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.753397][ T356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.753401][ T356] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.753405][ T356] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.753407][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753412][ T356] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.753415][ T356] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.753416][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.753418][ T356] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.753422][ T356] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.753424][ T356] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.753427][ T356] vprintk_emit (kernel/printk/printk.c:2479) [ 41.753431][ T356] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.753432][ T356] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.753439][ T356] _printk (kernel/printk/printk.c:2504) [ 41.753443][ T356] ? snapshot_read.cold (user.c:?) [ 41.753447][ T356] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.753450][ T356] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.753454][ T356] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.753457][ T356] ? netdev_notice (net/core/dev.c:13194) [ 41.753461][ T356] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 41.753465][ T356] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 41.753469][ T356] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 41.753473][ T356] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 41.753478][ T356] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 41.753482][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 41.753484][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.753487][ T356] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.753495][ T356] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.753499][ T356] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 41.753500][ T356] ? 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)) [ 41.753504][ T356] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 41.753509][ T356] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 41.753514][ T356] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 41.753516][ T356] ? 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) [ 41.753518][ T356] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 41.753520][ T356] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 41.753527][ T356] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 41.753529][ T356] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.753531][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753533][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753536][ T356] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 41.753559][ T356] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.753561][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.753564][ T356] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.753567][ T356] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.753569][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753574][ T356] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.753576][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.753579][ T356] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 41.753581][ T356] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.753585][ T356] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 41.753588][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.753592][ T356] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.753593][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753598][ T356] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.753600][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.753604][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.753607][ T356] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.753611][ T356] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.753617][ T356] ? 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)) [ 41.753619][ T356] ? 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)) [ 41.753623][ T356] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.753627][ T356] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.753630][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.753635][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.753639][ T356] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.753643][ T356] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.753649][ T356] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.753652][ T356] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.753654][ T356] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 41.753656][ T356] ? move_addr_to_kernel (net/socket.c:258) [ 41.753663][ T356] ___sys_sendmsg (net/socket.c:2767) [ 41.753666][ T356] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.753682][ T356] __sys_sendmsg (net/socket.c:2799) [ 41.753685][ T356] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.753694][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.753698][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.753701][ T356] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.753705][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.753707][ T356] RIP: 0033:0x7f4c0f50b54e [ 41.753711][ T356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 41.753713][ T356] RSP: 002b:00007ffc30c1e1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.753716][ T356] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4c0f50b54e [ 41.753717][ T356] RDX: 0000000000000000 RSI: 00007ffc30c1e250 RDI: 0000000000000005 [ 41.753718][ T356] RBP: 00007ffc30c1e1b0 R08: 0000000000000000 R09: 0000000000000000 [ 41.753719][ T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918453 [ 41.753720][ T356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc30c1e910 | [ 43.571997][ T370] softirqs last disabled at (34096): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 43.571999][ T370] Preemption disabled at: | [ 43.572000][ T370] 0x0 | [ 43.572011][ T370] Tainted: [W]=WARN [ 43.572012][ T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.572013][ T370] Call Trace: [ 43.572015][ T370] [ 43.572017][ T370] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.572023][ T370] __might_resched.cold (kernel/sched/core.c:9234) [ 43.572027][ T370] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.572031][ T370] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.572037][ T370] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 43.572039][ T370] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.572045][ T370] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 43.572048][ T370] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.572051][ T370] put_chars (drivers/char/virtio_console.c:1176) [ 43.572054][ T370] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 43.572056][ T370] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.572063][ T370] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.572070][ T370] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.572073][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.572078][ T370] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.572081][ T370] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.572085][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.572089][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.572093][ T370] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.572096][ T370] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.572098][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.572103][ T370] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.572106][ T370] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.572107][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.572109][ T370] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.572113][ T370] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.572115][ T370] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.572118][ T370] vprintk_emit (kernel/printk/printk.c:2479) [ 43.572121][ T370] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.572122][ T370] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.572125][ T370] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.572128][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.572132][ T370] _printk (kernel/printk/printk.c:2504) [ 43.572136][ T370] ? snapshot_read.cold (user.c:?) [ 43.572143][ T370] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.572147][ T370] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 43.572151][ T370] br_device_event (net/bridge/br.c:111) [ 43.572153][ T370] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 43.572157][ T370] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.572162][ T370] notifier_call_chain (kernel/notifier.c:85) [ 43.572168][ T370] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 43.572173][ T370] ? netif_change_name (net/core/dev.c:1517) [ 43.572175][ T370] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 43.572178][ T370] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 43.572181][ T370] ? __kernel_text_address (kernel/extable.c:79) [ 43.572183][ T370] ? write_profile (profile.c:?) [ 43.572188][ T370] netif_change_flags (net/core/dev.c:9882) [ 43.572191][ T370] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 43.572195][ T370] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.572197][ T370] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.572199][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 43.572201][ T370] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 43.572205][ T370] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.572207][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.572209][ T370] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.572212][ T370] ? kasan_save_stack (mm/kasan/common.c:58) [ 43.572214][ T370] ? kasan_save_stack (mm/kasan/common.c:57) [ 43.572215][ T370] ? kasan_save_track (mm/kasan/common.c:78) [ 43.572217][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.572219][ T370] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 43.572222][ T370] ? ___sys_sendmsg (net/socket.c:2757) [ 43.572227][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.572229][ T370] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.572232][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.572234][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.572236][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.572237][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.572239][ T370] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.572242][ T370] ? __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) [ 43.572243][ T370] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.572251][ T370] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.572255][ T370] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.572260][ T370] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 43.572265][ T370] rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.572271][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.572273][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.572278][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.572280][ T370] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.572283][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.572285][ T370] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.572289][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.572291][ T370] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.572295][ T370] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.572297][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.572301][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.572303][ T370] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.572307][ T370] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.572309][ T370] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.572312][ T370] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.572318][ T370] ? 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)) [ 43.572320][ T370] ? 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)) [ 43.572324][ T370] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.572328][ T370] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.572331][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.572335][ T370] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.572339][ T370] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.572342][ T370] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 43.572348][ T370] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 43.572350][ T370] ? copy_msghdr_from_user (net/socket.c:2650) [ 43.572352][ T370] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 43.572353][ T370] ? move_addr_to_kernel (net/socket.c:258) [ 43.572360][ T370] ___sys_sendmsg (net/socket.c:2767) [ 43.572363][ T370] ? copy_msghdr_from_user (net/socket.c:2619) [ 43.572378][ T370] __sys_sendmsg (net/socket.c:2799) [ 43.572381][ T370] ? __sys_sendmsg_sock (net/socket.c:2780) [ 43.572387][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.572390][ T370] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.572392][ T370] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.572395][ T370] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.572397][ T370] RIP: 0033:0x7fd3fbb9054e [ 43.572400][ T370] 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 [ 43.572401][ T370] RSP: 002b:00007ffe363530b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 43.572404][ T370] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3fbb9054e [ 43.572405][ T370] RDX: 0000000000000000 RSI: 00007ffe36353160 RDI: 0000000000000005 [ 43.572406][ T370] RBP: 00007ffe363530c0 R08: 0000000000000000 R09: 0000000000000000 [ 43.572407][ T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918454 [ 43.572408][ T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe36353820 | [ 45.689553][ T61] softirqs last disabled at (76278): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 45.689555][ T61] Preemption disabled at: | [ 45.689556][ T61] 0x0 | [ 45.689566][ T61] Tainted: [W]=WARN [ 45.689567][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.689569][ T61] Workqueue: events_unbound linkwatch_event [ 45.689573][ T61] Call Trace: [ 45.689575][ T61] [ 45.689577][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.689582][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 45.689587][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.689590][ T61] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.689596][ T61] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.689599][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.689605][ T61] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.689608][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.689611][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 45.689615][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.689618][ T61] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.689624][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.689631][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.689634][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.689638][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.689642][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.689646][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.689650][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.689652][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.689656][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.689660][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.689661][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.689667][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.689669][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.689670][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.689672][ T61] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.689676][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.689678][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.689681][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 45.689690][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.689692][ T61] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.689695][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.689700][ T61] _printk (kernel/printk/printk.c:2504) [ 45.689704][ T61] ? snapshot_read.cold (user.c:?) [ 45.689709][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.689713][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 45.689717][ T61] br_init_port (net/bridge/br_stp_if.c:39) [ 45.689720][ T61] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 45.689722][ T61] br_port_carrier_check (net/bridge/br_if.c:90) [ 45.689726][ T61] br_device_event (net/bridge/br.c:101) [ 45.689729][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 45.689731][ T61] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 45.689737][ T61] notifier_call_chain (kernel/notifier.c:85) [ 45.689744][ T61] netif_state_change (net/core/dev.c:1625) [ 45.689748][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.689752][ T61] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 45.689755][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 45.689758][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.689761][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.689766][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 45.689768][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 45.689772][ T61] process_one_work (kernel/workqueue.c:3387) [ 45.689778][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.689781][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.689788][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.689792][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.689794][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.689797][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.689799][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.689801][ T61] kthread (kernel/kthread.c:436) [ 45.689803][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.689806][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.689809][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.689814][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.689817][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.689821][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.689824][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.918495][ T378] softirqs last disabled at (34054): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 46.918497][ T378] Preemption disabled at: | [ 46.918498][ T378] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.918507][ T378] Tainted: [W]=WARN [ 46.918508][ T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.918510][ T378] Call Trace: [ 46.918511][ T378] [ 46.918513][ T378] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.918518][ T378] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.918520][ T378] __might_resched.cold (kernel/sched/core.c:9234) [ 46.918524][ T378] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.918528][ T378] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.918534][ T378] __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)) [ 46.918537][ T378] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.918543][ T378] ? 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) [ 46.918545][ T378] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.918549][ T378] put_chars (drivers/char/virtio_console.c:1176) [ 46.918552][ T378] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.918556][ T378] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.918559][ T378] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.918562][ T378] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.918567][ T378] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.918571][ T378] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.918573][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918575][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918579][ T378] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.918582][ T378] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.918584][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.918586][ T378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.918591][ T378] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.918594][ T378] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.918598][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.918600][ T378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.918604][ T378] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.918608][ T378] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.918610][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918615][ T378] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.918617][ T378] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.918619][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.918621][ T378] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.918625][ T378] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.918627][ T378] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.918630][ T378] vprintk_emit (kernel/printk/printk.c:2479) [ 46.918633][ T378] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.918635][ T378] ? packet_sendmsg_spkt (af_packet.c:?) [ 46.918642][ T378] _printk (kernel/printk/printk.c:2504) [ 46.918645][ T378] ? snapshot_read.cold (user.c:?) [ 46.918650][ T378] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.918653][ T378] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.918656][ T378] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.918659][ T378] ? netdev_notice (net/core/dev.c:13194) [ 46.918663][ T378] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 46.918666][ T378] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 46.918670][ T378] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 46.918674][ T378] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 46.918680][ T378] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 46.918683][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 46.918689][ T378] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.918692][ T378] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.918700][ T378] ? packet_sendmsg_spkt (af_packet.c:?) [ 46.918704][ T378] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 46.918705][ T378] ? 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)) [ 46.918708][ T378] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 46.918713][ T378] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 46.918719][ T378] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 46.918721][ T378] ? 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) [ 46.918723][ T378] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 46.918725][ T378] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 46.918731][ T378] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 46.918734][ T378] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.918736][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918738][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918740][ T378] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.918762][ T378] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.918764][ T378] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.918767][ T378] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.918769][ T378] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.918772][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918777][ T378] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.918779][ T378] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.918781][ T378] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.918783][ T378] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.918787][ T378] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.918790][ T378] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.918793][ T378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.918795][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918800][ T378] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.918802][ T378] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.918806][ T378] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.918809][ T378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.918812][ T378] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.918819][ T378] ? 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)) [ 46.918820][ T378] ? 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)) [ 46.918825][ T378] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.918829][ T378] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.918831][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.918836][ T378] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.918840][ T378] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.918843][ T378] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 46.918849][ T378] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 46.918853][ T378] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.918855][ T378] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 46.918856][ T378] ? move_addr_to_kernel (net/socket.c:258) [ 46.918863][ T378] ___sys_sendmsg (net/socket.c:2767) [ 46.918866][ T378] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.918881][ T378] __sys_sendmsg (net/socket.c:2799) [ 46.918884][ T378] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.918890][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.918894][ T378] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.918896][ T378] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.918899][ T378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.918901][ T378] RIP: 0033:0x7f54c04b754e [ 46.918905][ T378] 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 [ 46.918907][ T378] RSP: 002b:00007fff0d2325e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.918910][ T378] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f54c04b754e [ 46.918911][ T378] RDX: 0000000000000000 RSI: 00007fff0d232690 RDI: 0000000000000005 [ 46.918912][ T378] RBP: 00007fff0d2325f0 R08: 0000000000000000 R09: 0000000000000000 [ 46.918913][ T378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918458 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