====================================== | [ 10.929301][ T215] softirqs last disabled at (20494): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.929304][ T215] Preemption disabled at: | [ 10.929305][ T215] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.929317][ T215] Tainted: [W]=WARN [ 10.929318][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.929321][ T215] Call Trace: [ 10.929322][ T215] [ 10.929325][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.929332][ T215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.929335][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 10.929341][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.929347][ 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) [ 10.929354][ 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)) [ 10.929357][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.929367][ 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) [ 10.929370][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.929376][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 10.929380][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.929392][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.929403][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.929408][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.929416][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.929422][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.929425][ 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)) [ 10.929431][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.929435][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.929442][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.929449][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.929451][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.929461][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.929465][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.929468][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.929471][ 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) [ 10.929478][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.929480][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.929485][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 10.929490][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.929494][ T215] ? save_trace (kernel/locking/lockdep.c:589) [ 10.929502][ T215] _printk (kernel/printk/printk.c:2504) [ 10.929506][ T215] ? snapshot_read.cold (user.c:?) [ 10.929512][ T215] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.929516][ T215] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.929521][ T215] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.929526][ T215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.929530][ T215] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.929534][ T215] ? netdev_notice (net/core/dev.c:13194) [ 10.929538][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.929543][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.929547][ T215] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.929553][ T215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.929557][ T215] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.929561][ 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)) [ 10.929569][ T215] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.929573][ T215] ? __kernel_text_address (kernel/extable.c:79) [ 10.929577][ T215] ? write_profile (profile.c:?) [ 10.929583][ T215] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.929592][ T215] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.929598][ T215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.929601][ T215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.929604][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.929607][ T215] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.929612][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.929616][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.929619][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.929622][ T215] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.929625][ T215] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.929627][ T215] ? kasan_save_track (mm/kasan/common.c:78) [ 10.929629][ T215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.929633][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.929636][ T215] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.929640][ T215] ? ___sys_sendmsg (net/socket.c:2758) [ 10.929647][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.929650][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.929654][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.929657][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.929660][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.929662][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.929665][ T215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.929668][ 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) [ 10.929672][ T215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.929675][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.929681][ T215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.929683][ T215] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.929691][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.929695][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.929705][ T215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.929715][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.929718][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.929725][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.929729][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.929732][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.929735][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.929742][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.929745][ T215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.929751][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.929753][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.929761][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.929764][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.929770][ T215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.929774][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.929780][ T215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.929791][ 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)) [ 10.929794][ 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)) [ 10.929802][ T215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.929809][ T215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.929813][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.929821][ T215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.929827][ T215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.929834][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.929837][ T215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.929845][ T215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.929850][ T215] ____sys_sendmsg (net/socket.c:2713) [ 10.929853][ T215] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.929857][ T215] ? sock_write_iter (net/socket.c:1269) [ 10.929859][ T215] ? move_addr_to_kernel (net/socket.c:258) [ 10.929872][ T215] ___sys_sendmsg (net/socket.c:2767) [ 10.929877][ T215] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.929907][ T215] __sys_sendmsg (net/socket.c:2799) [ 10.929911][ T215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.929922][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.929927][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.929931][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.929936][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.929939][ T215] RIP: 0033:0x7fe09656d54e [ 10.929945][ 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 [ 10.929947][ T215] RSP: 002b:00007ffd85294e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.929951][ T215] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe09656d54e [ 10.929953][ T215] RDX: 0000000000000000 RSI: 00007ffd85294f30 RDI: 0000000000000005 [ 10.929955][ T215] RBP: 00007ffd85294e90 R08: 0000000000000000 R09: 0000000000000000 [ 10.929956][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c20 [ 10.929958][ T215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd85295600 | [ 11.453791][ T70] #10: ffffffffbca9d660 (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)) | [ 11.453797][ T70] | [ 11.453797][ T70] stack backtrace: | [ 11.453805][ T70] Tainted: [W]=WARN [ 11.453806][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.453808][ T70] Workqueue: ipv6_addrconf addrconf_dad_work [ 11.453813][ T70] Call Trace: [ 11.453815][ T70] [ 11.453817][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.453826][ T70] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 11.453834][ T70] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 11.453841][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.453845][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.453852][ T70] __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)) [ 11.453856][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.453866][ T70] ? 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) [ 11.453870][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.453876][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 11.453881][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.453893][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.453906][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.453912][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.453920][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.453927][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.453929][ T70] ? 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)) [ 11.453935][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.453939][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.453947][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.453954][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.453957][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.453967][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.453972][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.453982][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.453985][ T70] ? 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) [ 11.453992][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.453996][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.454001][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 11.454007][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.454011][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.454019][ T70] _printk (kernel/printk/printk.c:2504) [ 11.454024][ T70] ? snapshot_read.cold (user.c:?) [ 11.454026][ T70] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 11.454036][ T70] ? idr_get_free (??:?) [ 11.454045][ T70] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 11.454053][ T70] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 11.454062][ T70] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 11.454066][ T70] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.454070][ T70] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.454074][ T70] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.454080][ T70] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 11.454083][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.454089][ T70] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 11.454098][ T70] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 11.454104][ T70] ? validate_xmit_skb (net/core/dev.c:4080) [ 11.454111][ T70] __dev_queue_xmit (net/core/dev.c:4926) [ 11.454117][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.454120][ T70] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1095) [ 11.454129][ T70] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 11.454131][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.454137][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.454139][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.454143][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.454148][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.454152][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.454156][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.454159][ T70] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 11.454170][ T70] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 11.454180][ T70] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 11.454183][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.454188][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.454194][ T70] ? 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)) [ 11.454202][ T70] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 11.454210][ T70] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 11.454215][ T70] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 11.454219][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.454223][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.454228][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.454230][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.454239][ T70] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 11.454247][ T70] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.454264][ T70] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.454274][ T70] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 11.454279][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.454284][ T70] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 11.454288][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.454291][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.454294][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.454301][ T70] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.454304][ T70] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.454307][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.454312][ T70] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 11.454315][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.454318][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.454321][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.454329][ T70] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 11.454337][ T70] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 11.454342][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.454344][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.454346][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.454349][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.454356][ T70] process_one_work (kernel/workqueue.c:3387) [ 11.454368][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.454373][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.454388][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.454396][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.454399][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 11.454403][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.454408][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.454412][ T70] kthread (kernel/kthread.c:436) [ 11.454415][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.454420][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.454425][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.454431][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.454437][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.454442][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.454447][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.252099][ T270] softirqs last disabled at (118731): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.252101][ T270] Preemption disabled at: | [ 14.252102][ T270] 0x0 | [ 14.252114][ T270] Tainted: [W]=WARN [ 14.252115][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.252117][ T270] Call Trace: [ 14.252119][ T270] [ 14.252120][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.252126][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 14.252131][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.252135][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.252139][ T270] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.252141][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.252148][ T270] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.252150][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.252154][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 14.252156][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.252158][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.252161][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.252166][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.252174][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.252177][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.252179][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.252183][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.252187][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.252188][ T270] ? 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)) [ 14.252191][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.252193][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.252197][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.252201][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.252203][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.252208][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.252211][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.252213][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.252214][ T270] ? 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) [ 14.252218][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.252220][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.252223][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 14.252226][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.252227][ T270] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.252230][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.252234][ T270] _printk (kernel/printk/printk.c:2504) [ 14.252237][ T270] ? snapshot_read.cold (user.c:?) [ 14.252240][ T270] ? 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) [ 14.252242][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.252246][ T270] ? 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) [ 14.252249][ T270] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.252253][ T270] ? exit_notify (kernel/exit.c:780) [ 14.252254][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.252257][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.252262][ T270] do_group_exit (kernel/exit.c:1151) [ 14.252265][ T270] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.252267][ T270] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.252270][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.252274][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.252277][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.252280][ T270] RIP: 0033:0x7f9e1b4111b8 [ 14.252282][ T270] Code: Unable to access opcode bytes at 0x7f9e1b41118e. Code starting with the faulting instruction =========================================== [ 14.252283][ T270] RSP: 002b:00007ffe39630ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.252286][ T270] RAX: ffffffffffffffda RBX: 00007f9e1b541f88 RCX: 00007f9e1b4111b8 [ 14.252287][ T270] RDX: 00007f9e1b2f6e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.252288][ T270] RBP: 00007ffe39630f20 R08: 0000000000000000 R09: 0000000000004010 [ 14.252289][ T270] R10: 00007ffe39630d20 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