====================================== | [ 10.002265][ T171] softirqs last disabled at (36627): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.002269][ T171] Preemption disabled at: | [ 10.002270][ T171] 0x0 | [ 10.002284][ T171] Tainted: [W]=WARN [ 10.002285][ T171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.002287][ T171] Call Trace: [ 10.002289][ T171] [ 10.002291][ T171] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.002299][ T171] __might_resched.cold (kernel/sched/core.c:9234) [ 10.002306][ T171] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.002311][ T171] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.002319][ T171] __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)) [ 10.002323][ T171] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.002332][ T171] ? 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) [ 10.002335][ T171] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.002341][ T171] put_chars (drivers/char/virtio_console.c:1176) [ 10.002346][ T171] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.002349][ T171] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.002354][ T171] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.002359][ T171] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.002367][ T171] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.002373][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.002375][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.002384][ T171] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.002390][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.002393][ T171] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.002401][ T171] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.002410][ T171] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.002417][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.002421][ T171] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.002428][ T171] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.002435][ T171] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.002437][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.002446][ T171] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.002451][ T171] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.002453][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.002456][ T171] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.002463][ T171] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.002465][ T171] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.002471][ T171] vprintk_emit (kernel/printk/printk.c:2479) [ 10.002476][ T171] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.002482][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.002488][ T171] _printk (kernel/printk/printk.c:2504) [ 10.002493][ T171] ? snapshot_read.cold (user.c:?) [ 10.002498][ T171] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.002501][ T171] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.002507][ T171] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.002511][ T171] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.002517][ T171] ? exit_notify (kernel/exit.c:780) [ 10.002519][ T171] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.002524][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.002531][ T171] do_group_exit (kernel/exit.c:1151) [ 10.002536][ T171] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.002539][ T171] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.002543][ T171] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.002547][ T171] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.002552][ T171] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.002556][ T171] RIP: 0033:0x7fc8c6cf51b8 [ 10.002559][ T171] Code: Unable to access opcode bytes at 0x7fc8c6cf518e. Code starting with the faulting instruction =========================================== [ 10.002561][ T171] RSP: 002b:00007ffd91e2c598 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.002564][ T171] RAX: ffffffffffffffda RBX: 00007fc8c6e25f88 RCX: 00007fc8c6cf51b8 [ 10.002566][ T171] RDX: 00007fc8c6a3ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.002568][ T171] RBP: 00007ffd91e2c5f0 R08: 0000000000000000 R09: 0000000000000000 [ 10.002569][ T171] R10: 00007ffd91e2c3b0 R11: 0000000000000246 R12: 0000000000000001 [ 10.002570][ T171] R13: 0000000000000000 R14: 00007fc8c6e24680 R15: 00007fc8c6e25fa0 | [ 14.619174][ T182] softirqs last disabled at (49484): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.619177][ T182] Preemption disabled at: | [ 14.619178][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.619190][ T182] Tainted: [W]=WARN [ 14.619191][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.619193][ T182] Call Trace: [ 14.619196][ T182] [ 14.619198][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.619204][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.619207][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 14.619214][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.619219][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.619227][ T182] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.619231][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.619240][ T182] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.619243][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.619249][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 14.619254][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.619260][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.619265][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.619269][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.619276][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.619281][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.619284][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619287][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619294][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.619298][ T182] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.619303][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.619306][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.619314][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.619319][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.619327][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.619330][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.619337][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.619344][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.619346][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619355][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.619359][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.619361][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.619365][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.619371][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.619374][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.619379][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 14.619385][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.619387][ T182] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.619398][ T182] _printk (kernel/printk/printk.c:2504) [ 14.619402][ T182] ? snapshot_read.cold (user.c:?) [ 14.619410][ T182] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.619415][ T182] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.619424][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.619428][ T182] ? netdev_notice (net/core/dev.c:13194) [ 14.619436][ T182] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 14.619441][ T182] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 14.619448][ T182] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 14.619457][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619460][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619464][ T182] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 14.619471][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.619475][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.619488][ T182] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.619497][ T182] do_set_master (net/core/rtnetlink.c:3055) [ 14.619503][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.619510][ T182] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.619514][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.619517][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.619520][ T182] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.619524][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.619528][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.619531][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.619535][ T182] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.619538][ T182] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.619540][ T182] ? kasan_save_track (mm/kasan/common.c:78) [ 14.619544][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619548][ T182] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.619551][ T182] ? ___sys_sendmsg (net/socket.c:2757) [ 14.619559][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.619562][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.619567][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.619570][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.619573][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.619575][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.619578][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.619582][ T182] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 14.619586][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.619589][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.619596][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.619598][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.619609][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.619619][ T182] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.619629][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.619633][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619641][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.619644][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.619647][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.619651][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.619658][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.619662][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.619668][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.619670][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619678][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.619681][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.619688][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.619690][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.619696][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.619707][ T182] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.619710][ T182] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.619717][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.619724][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.619728][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.619736][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.619742][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.619749][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.619758][ T182] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.619762][ T182] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.619765][ T182] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.619767][ T182] ? move_addr_to_kernel (net/socket.c:258) [ 14.619780][ T182] ___sys_sendmsg (net/socket.c:2767) [ 14.619785][ T182] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.619814][ T182] __sys_sendmsg (net/socket.c:2799) [ 14.619819][ T182] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.619830][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.619835][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.619838][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.619843][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.619846][ T182] RIP: 0033:0x7f33896c754e [ 14.619851][ T182] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.619854][ T182] RSP: 002b:00007ffe900a3180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.619857][ T182] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f33896c754e [ 14.619859][ T182] RDX: 0000000000000000 RSI: 00007ffe900a3230 RDI: 0000000000000005 [ 14.619861][ T182] RBP: 00007ffe900a3190 R08: 0000000000000000 R09: 0000000000000000 [ 14.619862][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e310 [ 14.619863][ T182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe900a38f0 | [ 19.103788][ T12] softirqs last disabled at (10040): xfrm_dev_policy_flush (./include/linux/spinlock.h:353 net/xfrm/xfrm_policy.c:1857) | [ 19.103790][ T12] Preemption disabled at: | [ 19.103791][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.103801][ T12] Tainted: [W]=WARN [ 19.103802][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.103804][ T12] Workqueue: netns cleanup_net [ 19.103807][ T12] Call Trace: [ 19.103809][ T12] [ 19.103811][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.103816][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.103818][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 19.103823][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.103827][ 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) [ 19.103832][ 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)) [ 19.103835][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.103842][ 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) [ 19.103843][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.103847][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 19.103851][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.103855][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 19.103861][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.103865][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.103871][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.103874][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.103880][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.103884][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.103891][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.103893][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.103898][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.103902][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.103903][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.103909][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.103911][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.103913][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.103915][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.103919][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.103921][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.103924][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 19.103927][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.103929][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.103936][ T12] _printk (kernel/printk/printk.c:2504) [ 19.103939][ T12] ? snapshot_read.cold (user.c:?) [ 19.103944][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.103947][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.103951][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.103953][ T12] ? netdev_notice (net/core/dev.c:13194) [ 19.103958][ T12] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 19.103961][ T12] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 19.103965][ T12] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 19.103973][ T12] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 19.103976][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.103980][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.103988][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 19.103991][ T12] ? bond_slave_netdev_event.isra.0 (drivers/net/bonding/bond_main.c:3963 (discriminator 3)) [ 19.103993][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 19.103996][ T12] bond_netdev_event (drivers/net/bonding/bond_main.c:4090) [ 19.103999][ T12] notifier_call_chain (kernel/notifier.c:85) [ 19.104005][ T12] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 19.104011][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 19.104019][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 19.104022][ T12] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 19.104024][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 19.104027][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 19.104028][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 19.104034][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 19.104038][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.104041][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 19.104042][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.104046][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 19.104051][ T12] cleanup_net (net/core/net_namespace.c:706) [ 19.104054][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 19.104057][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.104059][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.104063][ T12] process_one_work (kernel/workqueue.c:3387) [ 19.104069][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.104072][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.104079][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.104086][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.104088][ T12] kthread (kernel/kthread.c:436) [ 19.104090][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.104094][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.104097][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.104102][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.104105][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.104109][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print xfrm_dev_policy_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars