====================================== | [ 9.646437][ T215] softirqs last disabled at (21560): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.646440][ T215] Preemption disabled at: | [ 9.646440][ T215] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.646449][ T215] Tainted: [W]=WARN [ 9.646450][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.646452][ T215] Call Trace: [ 9.646453][ T215] [ 9.646454][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.646461][ T215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.646462][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 9.646467][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.646471][ 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) [ 9.646475][ 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)) [ 9.646477][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.646484][ 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) [ 9.646486][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.646490][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 9.646497][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.646503][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.646510][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.646513][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.646518][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.646521][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.646523][ 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)) [ 9.646526][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646529][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.646533][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.646537][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.646539][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.646544][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.646547][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.646549][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646551][ 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) [ 9.646554][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.646556][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.646559][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 9.646562][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.646564][ T215] ? save_trace (kernel/locking/lockdep.c:589) [ 9.646568][ T215] _printk (kernel/printk/printk.c:2504) [ 9.646572][ T215] ? snapshot_read.cold (user.c:?) [ 9.646575][ T215] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.646577][ T215] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.646581][ T215] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.646584][ T215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.646586][ T215] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.646589][ T215] ? netdev_notice (net/core/dev.c:13194) [ 9.646591][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.646594][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.646597][ T215] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.646600][ T215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.646602][ T215] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.646604][ 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)) [ 9.646610][ T215] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.646612][ T215] ? __kernel_text_address (kernel/extable.c:79) [ 9.646615][ T215] ? write_profile (profile.c:?) [ 9.646619][ T215] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.646624][ T215] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.646627][ T215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.646630][ T215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.646631][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 9.646634][ T215] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 9.646637][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.646639][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.646641][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.646643][ T215] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.646645][ T215] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.646646][ T215] ? kasan_save_track (mm/kasan/common.c:78) [ 9.646647][ T215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.646650][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.646651][ T215] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 9.646654][ T215] ? ___sys_sendmsg (net/socket.c:2758) [ 9.646658][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.646660][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.646663][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646664][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.646666][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646667][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646669][ T215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.646671][ 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) [ 9.646674][ T215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.646676][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.646679][ T215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.646680][ T215] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.646685][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646687][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.646692][ T215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.646698][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.646700][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.646704][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.646706][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.646708][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.646709][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.646713][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.646715][ T215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.646718][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.646719][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.646724][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.646726][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.646729][ T215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.646733][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.646736][ T215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.646742][ 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)) [ 9.646744][ 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)) [ 9.646748][ T215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.646752][ T215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.646755][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.646759][ T215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.646763][ T215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.646766][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.646768][ T215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 9.646773][ T215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.646776][ T215] ____sys_sendmsg (net/socket.c:2713) [ 9.646778][ T215] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.646781][ T215] ? sock_write_iter (net/socket.c:1269) [ 9.646782][ T215] ? move_addr_to_kernel (net/socket.c:258) [ 9.646789][ T215] ___sys_sendmsg (net/socket.c:2767) [ 9.646792][ T215] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.646807][ T215] __sys_sendmsg (net/socket.c:2799) [ 9.646810][ T215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.646816][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646819][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.646822][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.646825][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.646827][ T215] RIP: 0033:0x7f119579154e [ 9.646831][ 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 [ 9.646832][ T215] RSP: 002b:00007ffc41600ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.646835][ T215] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f119579154e [ 9.646836][ T215] RDX: 0000000000000000 RSI: 00007ffc41600f50 RDI: 0000000000000005 [ 9.646837][ T215] RBP: 00007ffc41600eb0 R08: 0000000000000000 R09: 0000000000000000 [ 9.646838][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c7ef [ 9.646839][ T215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc41601620 | [ 10.027302][ T70] #10: ffffffff9be9d660 (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)) | [ 10.027305][ T70] | [ 10.027305][ T70] stack backtrace: | [ 10.027311][ T70] Tainted: [W]=WARN [ 10.027312][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.027314][ T70] Workqueue: ipv6_addrconf addrconf_dad_work [ 10.027317][ T70] Call Trace: [ 10.027318][ T70] [ 10.027320][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.027326][ T70] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 10.027332][ T70] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 10.027337][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.027340][ 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) [ 10.027344][ 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)) [ 10.027346][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.027353][ 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) [ 10.027356][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.027359][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 10.027362][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.027366][ T70] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.027371][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.027375][ T70] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.027377][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.027381][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.027385][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.027388][ T70] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.027391][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.027394][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.027398][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.027402][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.027404][ 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)) [ 10.027407][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.027409][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.027413][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.027417][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.027419][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.027424][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.027427][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.027429][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.027431][ 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) [ 10.027434][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.027437][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.027439][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 10.027443][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.027445][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.027449][ T70] _printk (kernel/printk/printk.c:2504) [ 10.027453][ T70] ? snapshot_read.cold (user.c:?) [ 10.027454][ T70] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 10.027461][ T70] ? idr_get_free (??:?) [ 10.027466][ T70] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 10.027470][ T70] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre [ 10.027476][ T70] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 10.027479][ T70] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.027482][ T70] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 10.027485][ T70] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 10.027487][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.027491][ T70] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 10.027499][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.027501][ 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) [ 10.027504][ T70] ? validate_xmit_skb (net/core/dev.c:4080) [ 10.027508][ T70] __dev_queue_xmit (net/core/dev.c:4926) [ 10.027511][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.027513][ T70] ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980) [ 10.027518][ T70] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 10.027519][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.027522][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.027524][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.027526][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.027530][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.027532][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.027535][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.027537][ T70] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 10.027544][ T70] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 10.027549][ T70] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 10.027551][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.027554][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.027557][ 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)) [ 10.027561][ T70] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 10.027566][ T70] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 10.027569][ T70] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 10.027571][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.027573][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.027576][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.027578][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.027582][ 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)) [ 10.027587][ T70] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.027593][ T70] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.027599][ T70] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 10.027602][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.027604][ T70] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 10.027606][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.027608][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.027610][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.027614][ T70] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.027616][ T70] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.027618][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.027621][ T70] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 10.027622][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.027624][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.027626][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.027630][ T70] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 10.027634][ T70] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 10.027637][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.027638][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.027640][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.027642][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.027645][ T70] process_one_work (kernel/workqueue.c:3387) [ 10.027652][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.027655][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.027662][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.027666][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.027668][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 10.027671][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.027674][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.027676][ T70] kthread (kernel/kthread.c:436) [ 10.027678][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.027682][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.027685][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.027689][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.027692][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.027696][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.027698][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.620415][ T269] softirqs last disabled at (120434): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678) | [ 12.620417][ T269] Preemption disabled at: | [ 12.620418][ T269] 0x0 | [ 12.620428][ T269] Tainted: [W]=WARN [ 12.620429][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.620431][ T269] Call Trace: [ 12.620432][ T269] [ 12.620434][ T269] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.620440][ T269] __might_resched.cold (kernel/sched/core.c:9234) [ 12.620445][ T269] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.620449][ T269] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.620453][ T269] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.620455][ T269] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.620461][ T269] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.620464][ T269] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.620467][ T269] put_chars (drivers/char/virtio_console.c:1176) [ 12.620470][ T269] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.620471][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.620475][ T269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.620480][ T269] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.620487][ T269] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.620490][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.620492][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.620496][ T269] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.620500][ T269] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.620501][ T269] ? 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)) [ 12.620505][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.620506][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.620514][ T269] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.620518][ T269] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.620520][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.620525][ T269] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.620528][ T269] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.620530][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.620531][ T269] ? 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) [ 12.620535][ T269] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.620537][ T269] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.620539][ T269] vprintk_emit (kernel/printk/printk.c:2479) [ 12.620542][ T269] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.620544][ T269] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.620547][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.620550][ T269] _printk (kernel/printk/printk.c:2504) [ 12.620554][ T269] ? snapshot_read.cold (user.c:?) [ 12.620557][ T269] ? 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) [ 12.620559][ T269] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.620563][ T269] ? 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) [ 12.620566][ T269] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.620569][ T269] ? exit_notify (kernel/exit.c:780) [ 12.620571][ T269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.620573][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.620577][ T269] do_group_exit (kernel/exit.c:1151) [ 12.620579][ T269] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.620581][ T269] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.620584][ T269] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.620588][ T269] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.620591][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.620593][ T269] RIP: 0033:0x7f2ab51961b8 [ 12.620595][ T269] Code: Unable to access opcode bytes at 0x7f2ab519618e. Code starting with the faulting instruction =========================================== [ 12.620596][ T269] RSP: 002b:00007fffb1afce48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.620599][ T269] RAX: ffffffffffffffda RBX: 00007f2ab52c6f88 RCX: 00007f2ab51961b8 [ 12.620600][ T269] RDX: 00007f2ab507be88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.620601][ T269] RBP: 00007fffb1afcea0 R08: 0000000000000000 R09: 0000000000004010 [ 12.620602][ T269] R10: 00007fffb1afcca0 R11: 0000000000000246 R12: 0000000000000003 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record unix_release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars