====================================== | [ 10.909526][ T216] softirqs last disabled at (20072): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.909528][ T216] Preemption disabled at: | [ 10.909529][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.909538][ T216] Tainted: [W]=WARN [ 10.909539][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.909541][ T216] Call Trace: [ 10.909542][ T216] [ 10.909544][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.909550][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.909552][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 10.909556][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.909561][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.909565][ T216] __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)) [ 10.909567][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.909574][ T216] ? 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) [ 10.909577][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.909580][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 10.909583][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.909590][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.909598][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.909601][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.909605][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.909609][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.909611][ T216] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.909614][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.909617][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.909621][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.909626][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.909627][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.909633][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.909636][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.909638][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.909640][ T216] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.909643][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.909645][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.909648][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 10.909651][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.909654][ T216] ? save_trace (kernel/locking/lockdep.c:589) [ 10.909658][ T216] _printk (kernel/printk/printk.c:2504) [ 10.909662][ T216] ? snapshot_read.cold (user.c:?) [ 10.909665][ T216] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.909668][ T216] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.909672][ T216] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.909675][ T216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.909677][ T216] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.909680][ T216] ? netdev_notice (net/core/dev.c:13194) [ 10.909682][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.909686][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.909688][ T216] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.909692][ T216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.909694][ T216] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.909696][ T216] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 10.909702][ T216] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.909705][ T216] ? __kernel_text_address (kernel/extable.c:79) [ 10.909707][ T216] ? write_profile (profile.c:?) [ 10.909711][ T216] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.909717][ T216] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.909721][ T216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.909723][ T216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.909724][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.909727][ T216] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.909731][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.909733][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.909735][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.909737][ T216] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.909739][ T216] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.909741][ T216] ? kasan_save_track (mm/kasan/common.c:78) [ 10.909742][ T216] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.909744][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.909746][ T216] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.909749][ T216] ? ___sys_sendmsg (net/socket.c:2758) [ 10.909753][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.909755][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.909758][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.909760][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.909761][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.909762][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.909764][ T216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.909766][ T216] ? __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) [ 10.909769][ T216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.909771][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.909774][ T216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.909776][ T216] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.909781][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.909783][ T216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.909788][ T216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.909794][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.909796][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.909800][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.909802][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.909804][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.909806][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.909810][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.909812][ T216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.909815][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.909816][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.909821][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.909823][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.909827][ T216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.909830][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.909833][ T216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.909839][ T216] ? 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)) [ 10.909842][ T216] ? 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)) [ 10.909846][ T216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.909850][ T216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.909853][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.909857][ T216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.909861][ T216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.909865][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.909867][ T216] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.909872][ T216] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.909875][ T216] ____sys_sendmsg (net/socket.c:2713) [ 10.909877][ T216] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.909880][ T216] ? sock_write_iter (net/socket.c:1269) [ 10.909881][ T216] ? move_addr_to_kernel (net/socket.c:258) [ 10.909889][ T216] ___sys_sendmsg (net/socket.c:2767) [ 10.909892][ T216] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.909908][ T216] __sys_sendmsg (net/socket.c:2799) [ 10.909911][ T216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.909918][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.909921][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.909924][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.909927][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.909929][ T216] RIP: 0033:0x7f9a2257d54e [ 10.909933][ T216] 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 [ 10.909935][ T216] RSP: 002b:00007ffd65639a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.909937][ T216] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9a2257d54e [ 10.909939][ T216] RDX: 0000000000000000 RSI: 00007ffd65639af0 RDI: 0000000000000005 [ 10.909940][ T216] RBP: 00007ffd65639a50 R08: 0000000000000000 R09: 0000000000000000 [ 10.909941][ T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9135e6 [ 10.909942][ T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6563a1c0 | [ 11.379875][ T12] #10: ffffffff97a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) | [ 11.379878][ T12] | [ 11.379878][ T12] stack backtrace: | [ 11.379884][ T12] Tainted: [W]=WARN [ 11.379885][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.379887][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 11.379890][ T12] Call Trace: [ 11.379891][ T12] [ 11.379893][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.379900][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 11.379905][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 11.379909][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.379912][ 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) [ 11.379916][ 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)) [ 11.379918][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.379925][ 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) [ 11.379928][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.379932][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 11.379934][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.379941][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.379949][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.379952][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.379957][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.379961][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.379963][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.379966][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.379969][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.379973][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.379977][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.379979][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.379984][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.379987][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.379989][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.379991][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.379995][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.379997][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.379999][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 11.380003][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.380005][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.380010][ T12] _printk (kernel/printk/printk.c:2504) [ 11.380013][ T12] ? snapshot_read.cold (user.c:?) [ 11.380015][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 11.380021][ T12] ? idr_get_free (??:?) [ 11.380025][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 11.380030][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 11.380036][ T12] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 11.380039][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.380041][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.380044][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.380047][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 11.380049][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.380052][ T12] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 11.380057][ T12] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 11.380061][ T12] ? validate_xmit_skb (net/core/dev.c:4080) [ 11.380064][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 11.380068][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.380070][ T12] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1095) [ 11.380074][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 11.380076][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.380079][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.380081][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.380084][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.380087][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.380089][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.380092][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.380094][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 11.380100][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 11.380106][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 11.380108][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.380110][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.380113][ T12] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 11.380118][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 11.380122][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 11.380126][ T12] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 11.380128][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.380130][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.380133][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.380135][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.380139][ T12] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 11.380144][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.380150][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.380156][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 11.380159][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.380162][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 11.380164][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.380166][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.380168][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.380172][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.380173][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.380175][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.380178][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 11.380180][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.380181][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.380183][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.380188][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 11.380194][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 11.380197][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.380198][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.380200][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.380202][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.380205][ T12] process_one_work (kernel/workqueue.c:3387) [ 11.380212][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.380215][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.380222][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.380229][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.380232][ T12] kthread (kernel/kthread.c:436) [ 11.380234][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.380237][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.380240][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.380244][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.380248][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.380251][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.380254][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.076849][ T267] softirqs last disabled at (120475): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.076852][ T267] Preemption disabled at: | [ 14.076852][ T267] 0x0 | [ 14.076862][ T267] Tainted: [W]=WARN [ 14.076864][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.076865][ T267] Call Trace: [ 14.076867][ T267] [ 14.076869][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.076875][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 14.076879][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.076883][ 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) [ 14.076888][ 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)) [ 14.076890][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.076897][ 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) [ 14.076899][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.076903][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 14.076906][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.076907][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.076910][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.076916][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.076923][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.076926][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.076928][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.076932][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.076936][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.076938][ T267] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.076941][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.076943][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.076947][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.076951][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.076953][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.076958][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.076961][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.076963][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.076965][ T267] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.076968][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.076970][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.076973][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 14.076976][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.076977][ 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) [ 14.076980][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.076984][ T267] _printk (kernel/printk/printk.c:2504) [ 14.076988][ T267] ? snapshot_read.cold (user.c:?) [ 14.076991][ T267] ? 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) [ 14.076993][ T267] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.076997][ T267] ? 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) [ 14.077000][ T267] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.077004][ T267] ? exit_notify (kernel/exit.c:780) [ 14.077005][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.077008][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.077011][ T267] do_group_exit (kernel/exit.c:1151) [ 14.077014][ T267] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.077016][ T267] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.077018][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.077022][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.077025][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.077027][ T267] RIP: 0033:0x7f79373ce1b8 [ 14.077029][ T267] Code: Unable to access opcode bytes at 0x7f79373ce18e. Code starting with the faulting instruction =========================================== [ 14.077030][ T267] RSP: 002b:00007ffdc636c548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.077033][ T267] RAX: ffffffffffffffda RBX: 00007f79374fef88 RCX: 00007f79373ce1b8 [ 14.077034][ T267] RDX: 00007f79372b3e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.077035][ T267] RBP: 00007ffdc636c5a0 R08: 0000000000000000 R09: 0000000000004010 [ 14.077036][ T267] R10: 00007ffdc636c3a0 R11: 0000000000000246 R12: 0000000000000003 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars