====================================== | [ 9.575466][ T214] softirqs last disabled at (16074): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.575468][ T214] Preemption disabled at: | [ 9.575469][ T214] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.575477][ T214] Tainted: [W]=WARN [ 9.575478][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.575480][ T214] Call Trace: [ 9.575481][ T214] [ 9.575483][ T214] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.575488][ T214] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.575490][ T214] __might_resched.cold (kernel/sched/core.c:9234) [ 9.575495][ T214] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.575499][ T214] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.575503][ T214] __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)) [ 9.575505][ T214] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.575512][ T214] ? 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) [ 9.575514][ T214] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.575518][ T214] put_chars (drivers/char/virtio_console.c:1176) [ 9.575521][ T214] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.575527][ T214] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.575535][ T214] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.575538][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.575542][ T214] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.575546][ T214] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.575548][ T214] ? 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)) [ 9.575551][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575554][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.575557][ T214] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.575561][ T214] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.575563][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.575568][ T214] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.575571][ T214] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.575573][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575575][ T214] ? 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) [ 9.575578][ T214] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.575580][ T214] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.575583][ T214] vprintk_emit (kernel/printk/printk.c:2479) [ 9.575586][ T214] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.575588][ T214] ? save_trace (kernel/locking/lockdep.c:589) [ 9.575592][ T214] _printk (kernel/printk/printk.c:2504) [ 9.575595][ T214] ? snapshot_read.cold (user.c:?) [ 9.575599][ T214] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.575601][ T214] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.575605][ T214] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.575608][ T214] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.575610][ T214] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.575613][ T214] ? netdev_notice (net/core/dev.c:13194) [ 9.575615][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.575618][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.575621][ T214] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.575624][ T214] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.575626][ T214] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.575628][ T214] ? 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)) [ 9.575633][ T214] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.575636][ T214] ? __kernel_text_address (kernel/extable.c:79) [ 9.575639][ T214] ? write_profile (profile.c:?) [ 9.575643][ T214] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.575649][ T214] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.575652][ T214] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.575654][ T214] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.575655][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 9.575658][ T214] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 9.575661][ T214] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.575663][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.575665][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.575667][ T214] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.575669][ T214] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.575670][ T214] ? kasan_save_track (mm/kasan/common.c:78) [ 9.575671][ T214] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.575674][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.575676][ T214] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 9.575678][ T214] ? ___sys_sendmsg (net/socket.c:2758) [ 9.575682][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.575684][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.575687][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575688][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.575690][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575691][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575692][ T214] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.575695][ T214] ? __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) [ 9.575697][ T214] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.575699][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.575703][ T214] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.575704][ T214] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.575709][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575711][ T214] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.575716][ T214] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.575722][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.575723][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.575728][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.575730][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.575732][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.575733][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.575737][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.575739][ T214] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.575742][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.575743][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.575748][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.575750][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.575753][ T214] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.575761][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.575763][ T214] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.575770][ T214] ? 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)) [ 9.575772][ T214] ? 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)) [ 9.575776][ T214] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.575780][ T214] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.575783][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.575787][ T214] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.575791][ T214] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.575794][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.575796][ T214] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 9.575801][ T214] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.575804][ T214] ____sys_sendmsg (net/socket.c:2713) [ 9.575806][ T214] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.575808][ T214] ? sock_write_iter (net/socket.c:1269) [ 9.575810][ T214] ? move_addr_to_kernel (net/socket.c:258) [ 9.575817][ T214] ___sys_sendmsg (net/socket.c:2767) [ 9.575820][ T214] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.575835][ T214] __sys_sendmsg (net/socket.c:2799) [ 9.575838][ T214] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.575844][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.575847][ T214] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.575850][ T214] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.575852][ T214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.575854][ T214] RIP: 0033:0x7f1fdbc4e54e [ 9.575858][ T214] 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 [ 9.575860][ T214] RSP: 002b:00007fff312666b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.575862][ T214] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1fdbc4e54e [ 9.575863][ T214] RDX: 0000000000000000 RSI: 00007fff31266760 RDI: 0000000000000005 [ 9.575864][ T214] RBP: 00007fff312666c0 R08: 0000000000000000 R09: 0000000000000000 [ 9.575865][ T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f6d3 [ 9.575866][ T214] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff31266e30 | [ 9.937525][ T70] #10: ffffffffb229d660 (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)) | [ 9.937529][ T70] | [ 9.937529][ T70] stack backtrace: | [ 9.937534][ T70] Tainted: [W]=WARN [ 9.937535][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.937537][ T70] Workqueue: ipv6_addrconf addrconf_dad_work [ 9.937540][ T70] Call Trace: [ 9.937541][ T70] [ 9.937543][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.937549][ T70] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 9.937555][ T70] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 9.937559][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.937562][ 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) [ 9.937567][ 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)) [ 9.937569][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.937575][ 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) [ 9.937578][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.937582][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 9.937585][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.937591][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.937599][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.937602][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.937607][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.937611][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.937613][ 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)) [ 9.937616][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.937619][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.937623][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.937628][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.937629][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.937635][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.937638][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.937640][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.937641][ 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) [ 9.937645][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.937647][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.937650][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 9.937654][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.937656][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.937661][ T70] _printk (kernel/printk/printk.c:2504) [ 9.937664][ T70] ? snapshot_read.cold (user.c:?) [ 9.937666][ T70] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 9.937671][ T70] ? idr_get_free (??:?) [ 9.937676][ T70] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 9.937682][ T70] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 9.937687][ T70] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 9.937690][ T70] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.937692][ T70] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.937695][ T70] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.937698][ T70] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 9.937700][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.937703][ T70] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 9.937708][ 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) [ 9.937712][ T70] ? validate_xmit_skb (net/core/dev.c:4080) [ 9.937715][ T70] __dev_queue_xmit (net/core/dev.c:4926) [ 9.937719][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.937721][ T70] ? do_ipv6_getsockopt (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) net/ipv6/ipv6_sockglue.c:1440 (discriminator 1)) [ 9.937725][ T70] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 9.937727][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.937730][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.937732][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.937734][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.937737][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.937740][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.937742][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.937744][ T70] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 9.937751][ T70] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 9.937756][ T70] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 9.937758][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.937766][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.937769][ 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)) [ 9.937773][ T70] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 9.937778][ T70] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 9.937781][ T70] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 9.937784][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.937786][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.937788][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.937790][ T70] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.937795][ 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)) [ 9.937799][ T70] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.937805][ T70] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.937811][ T70] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 9.937814][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.937817][ T70] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 9.937819][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.937821][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.937823][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.937827][ T70] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 9.937828][ T70] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 9.937830][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.937833][ T70] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 9.937835][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.937836][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.937838][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.937843][ T70] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 9.937847][ T70] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 9.937849][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.937850][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.937852][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.937854][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.937857][ T70] process_one_work (kernel/workqueue.c:3387) [ 9.937864][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 9.937867][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.937875][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 9.937879][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.937881][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 9.937884][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.937887][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.937889][ T70] kthread (kernel/kthread.c:436) [ 9.937891][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.937894][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 9.937897][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 9.937901][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 9.937904][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 9.937908][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 9.937911][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.532018][ T267] softirqs last disabled at (125659): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.532020][ T267] Preemption disabled at: | [ 12.532021][ T267] 0x0 | [ 12.532030][ T267] Tainted: [W]=WARN [ 12.532031][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.532033][ T267] Call Trace: [ 12.532034][ T267] [ 12.532035][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.532042][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 12.532046][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.532050][ 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) [ 12.532055][ 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)) [ 12.532056][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.532063][ 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) [ 12.532066][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.532069][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 12.532071][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.532073][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.532076][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.532082][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.532088][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.532091][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.532093][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.532097][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.532101][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.532103][ 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)) [ 12.532106][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.532107][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.532111][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.532115][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.532117][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.532122][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.532125][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.532127][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.532129][ 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) [ 12.532133][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.532134][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.532137][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 12.532140][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.532141][ 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) [ 12.532145][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.532148][ T267] _printk (kernel/printk/printk.c:2504) [ 12.532152][ T267] ? snapshot_read.cold (user.c:?) [ 12.532155][ 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) [ 12.532160][ T267] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.532164][ 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) [ 12.532167][ T267] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.532171][ T267] ? exit_notify (kernel/exit.c:780) [ 12.532172][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.532175][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.532178][ T267] do_group_exit (kernel/exit.c:1151) [ 12.532181][ T267] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.532183][ T267] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.532185][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.532188][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.532191][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.532193][ T267] RIP: 0033:0x7f8c1e0c51b8 [ 12.532195][ T267] Code: Unable to access opcode bytes at 0x7f8c1e0c518e. Code starting with the faulting instruction =========================================== [ 12.532196][ T267] RSP: 002b:00007ffe6be2f908 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.532199][ T267] RAX: ffffffffffffffda RBX: 00007f8c1e1f5f88 RCX: 00007f8c1e0c51b8 [ 12.532200][ T267] RDX: 00007f8c1dfaae88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.532201][ T267] RBP: 00007ffe6be2f960 R08: 0000000000000000 R09: 0000000000004010 [ 12.532202][ T267] R10: 00007ffe6be2f760 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