====================================== | [ 10.539188][ T215] softirqs last disabled at (25424): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.539191][ T215] Preemption disabled at: | [ 10.539192][ T215] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.539200][ T215] Tainted: [W]=WARN [ 10.539201][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.539203][ T215] Call Trace: [ 10.539204][ T215] [ 10.539206][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.539217][ T215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.539219][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 10.539223][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.539228][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.539232][ T215] __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)) [ 10.539234][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.539241][ T215] ? 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) [ 10.539244][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.539247][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 10.539250][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.539257][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.539265][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.539269][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.539274][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.539278][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.539280][ T215] ? 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)) [ 10.539283][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.539286][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.539290][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.539294][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.539296][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.539302][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.539305][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.539307][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.539309][ T215] ? 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) [ 10.539313][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.539315][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.539318][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 10.539321][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.539324][ T215] ? save_trace (kernel/locking/lockdep.c:589) [ 10.539329][ T215] _printk (kernel/printk/printk.c:2504) [ 10.539332][ T215] ? snapshot_read.cold (user.c:?) [ 10.539336][ T215] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.539339][ T215] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.539343][ T215] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.539346][ T215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.539348][ T215] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.539351][ T215] ? netdev_notice (net/core/dev.c:13194) [ 10.539354][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.539358][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.539360][ T215] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.539364][ T215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.539366][ T215] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.539369][ T215] ? 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)) [ 10.539374][ T215] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.539377][ T215] ? __kernel_text_address (kernel/extable.c:79) [ 10.539380][ T215] ? write_profile (profile.c:?) [ 10.539384][ T215] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.539392][ T215] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.539396][ T215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.539398][ T215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.539399][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.539403][ T215] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.539406][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.539408][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.539410][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.539413][ T215] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.539415][ T215] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.539416][ T215] ? kasan_save_track (mm/kasan/common.c:78) [ 10.539418][ T215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.539420][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.539422][ T215] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.539425][ T215] ? ___sys_sendmsg (net/socket.c:2758) [ 10.539429][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.539431][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.539433][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.539435][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.539437][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.539438][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.539440][ T215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.539442][ T215] ? __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) [ 10.539445][ T215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.539447][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.539451][ T215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.539452][ T215] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.539457][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.539460][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.539466][ T215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.539472][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.539474][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.539479][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.539481][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.539483][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.539485][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.539489][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.539491][ T215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.539494][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.539496][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.539501][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.539503][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.539510][ T215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.539513][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.539516][ T215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.539523][ T215] ? 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)) [ 10.539526][ T215] ? 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)) [ 10.539530][ T215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.539535][ T215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.539538][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.539542][ T215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.539547][ T215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.539551][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.539553][ T215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.539559][ T215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.539562][ T215] ____sys_sendmsg (net/socket.c:2713) [ 10.539564][ T215] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.539567][ T215] ? sock_write_iter (net/socket.c:1269) [ 10.539568][ T215] ? move_addr_to_kernel (net/socket.c:258) [ 10.539577][ T215] ___sys_sendmsg (net/socket.c:2767) [ 10.539580][ T215] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.539598][ T215] __sys_sendmsg (net/socket.c:2799) [ 10.539601][ T215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.539608][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.539611][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.539614][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.539618][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.539620][ T215] RIP: 0033:0x7fd0eb1e154e [ 10.539624][ T215] 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 [ 10.539626][ T215] RSP: 002b:00007fff882d7400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.539628][ T215] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd0eb1e154e [ 10.539630][ T215] RDX: 0000000000000000 RSI: 00007fff882d74b0 RDI: 0000000000000005 [ 10.539631][ T215] RBP: 00007fff882d7410 R08: 0000000000000000 R09: 0000000000000000 [ 10.539632][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916157 [ 10.539633][ T215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff882d7b80 | [ 10.941414][ T12] #10: ffffffff8aa9d660 (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)) | [ 10.941418][ T12] | [ 10.941418][ T12] stack backtrace: | [ 10.941424][ T12] Tainted: [W]=WARN [ 10.941425][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.941427][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 10.941430][ T12] Call Trace: [ 10.941432][ T12] [ 10.941434][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.941440][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 10.941447][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 10.941452][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.941455][ 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) [ 10.941460][ 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)) [ 10.941463][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.941470][ 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) [ 10.941473][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.941478][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 10.941481][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.941489][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.941499][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.941503][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.941512][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.941516][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.941519][ 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)) [ 10.941522][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.941525][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.941530][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.941535][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.941537][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.941544][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.941547][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.941550][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.941552][ 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) [ 10.941556][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.941559][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.941562][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 10.941566][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.941568][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.941574][ T12] _printk (kernel/printk/printk.c:2504) [ 10.941578][ T12] ? snapshot_read.cold (user.c:?) [ 10.941580][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 10.941587][ T12] ? idr_get_free (??:?) [ 10.941592][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 10.941598][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 10.941606][ T12] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 10.941609][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.941611][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.941614][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.941618][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 10.941621][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.941625][ T12] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 10.941631][ 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) [ 10.941635][ T12] ? validate_xmit_skb (net/core/dev.c:4080) [ 10.941639][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 10.941644][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.941646][ T12] ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:985) [ 10.941651][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 10.941653][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.941657][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.941659][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.941662][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.941666][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.941668][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.941672][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.941674][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 10.941682][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 10.941688][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 10.941691][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.941694][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.941698][ 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)) [ 10.941704][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 10.941709][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 10.941712][ T12] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 10.941715][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.941718][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.941721][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.941723][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.941729][ 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)) [ 10.941734][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.941742][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.941749][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 10.941752][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.941755][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 10.941758][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.941760][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.941763][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.941768][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.941770][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.941771][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.941775][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 10.941777][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.941779][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.941781][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.941787][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 10.941791][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 10.941794][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.941795][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.941797][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.941799][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.941803][ T12] process_one_work (kernel/workqueue.c:3387) [ 10.941811][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.941815][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.941824][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.941832][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.941834][ T12] kthread (kernel/kthread.c:436) [ 10.941836][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.941840][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.941843][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.941848][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.941852][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.941856][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.941859][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 13.613697][ T268] softirqs last disabled at (129453): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.613700][ T268] Preemption disabled at: | [ 13.613701][ T268] 0x0 | [ 13.613714][ T268] Tainted: [W]=WARN [ 13.613715][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.613717][ T268] Call Trace: [ 13.613719][ T268] [ 13.613722][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.613730][ T268] __might_resched.cold (kernel/sched/core.c:9234) [ 13.613735][ T268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.613741][ T268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.613748][ T268] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.613751][ T268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.613761][ T268] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.613764][ T268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.613770][ T268] put_chars (drivers/char/virtio_console.c:1176) [ 13.613773][ T268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.613775][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.613780][ T268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.613790][ T268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.613802][ T268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.613806][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.613809][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.613815][ T268] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.613821][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.613824][ T268] ? 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)) [ 13.613829][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.613832][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.613839][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.613845][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.613848][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.613857][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.613861][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.613864][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.613867][ T268] ? 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) [ 13.613873][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.613876][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.613880][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 13.613885][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.613887][ T268] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.613892][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.613899][ T268] _printk (kernel/printk/printk.c:2504) [ 13.613903][ T268] ? snapshot_read.cold (user.c:?) [ 13.613908][ T268] ? 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) [ 13.613911][ T268] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.613918][ T268] ? 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) [ 13.613922][ T268] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.613927][ T268] ? exit_notify (kernel/exit.c:780) [ 13.613929][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.613933][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.613940][ T268] do_group_exit (kernel/exit.c:1151) [ 13.613944][ T268] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.613947][ T268] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.613950][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.613955][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.613960][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.613963][ T268] RIP: 0033:0x7f6949e481b8 [ 13.613966][ T268] Code: Unable to access opcode bytes at 0x7f6949e4818e. Code starting with the faulting instruction =========================================== [ 13.613967][ T268] RSP: 002b:00007ffe7170fbd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.613970][ T268] RAX: ffffffffffffffda RBX: 00007f6949f78f88 RCX: 00007f6949e481b8 [ 13.613972][ T268] RDX: 00007f6949d2de88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 13.613973][ T268] RBP: 00007ffe7170fc30 R08: 0000000000000000 R09: 0000000000004010 [ 13.613975][ T268] R10: 00007ffe7170fa30 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