====================================== | [ 10.951564][ T254] softirqs last disabled at (19547): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.951566][ T254] Preemption disabled at: | [ 10.951567][ T254] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.951576][ T254] Tainted: [W]=WARN [ 10.951577][ T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.951578][ T254] Call Trace: [ 10.951580][ T254] [ 10.951581][ T254] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.951586][ T254] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.951589][ T254] __might_resched.cold (kernel/sched/core.c:9234) [ 10.951593][ T254] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.951597][ T254] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.951602][ T254] __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)) [ 10.951605][ T254] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.951611][ T254] ? 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) [ 10.951613][ T254] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.951616][ T254] put_chars (drivers/char/virtio_console.c:1176) [ 10.951618][ T254] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.951620][ T254] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.951623][ T254] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.951627][ T254] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.951631][ T254] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.951634][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.951635][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.951640][ T254] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.951642][ T254] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.951645][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.951648][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.951652][ T254] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.951656][ T254] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.951657][ T254] ? 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)) [ 10.951661][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.951663][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.951667][ T254] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.951671][ T254] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.951673][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.951678][ T254] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.951681][ T254] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.951683][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.951685][ T254] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.951689][ T254] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.951691][ T254] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.951694][ T254] vprintk_emit (kernel/printk/printk.c:2479) [ 10.951698][ T254] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.951704][ T254] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.951706][ T254] _printk (kernel/printk/printk.c:2504) [ 10.951710][ T254] ? snapshot_read.cold (user.c:?) [ 10.951717][ T254] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 10.951719][ T254] gre_init (gre.mod.c:?) gre [ 10.951722][ T254] do_one_initcall (init/main.c:1357) [ 10.951724][ T254] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.951729][ T254] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.951732][ T254] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.951737][ T254] do_init_module (kernel/module/main.c:3117) [ 10.951741][ T254] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.951745][ T254] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.951748][ T254] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.951752][ T254] load_module (kernel/module/main.c:3593) [ 10.951760][ T254] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.951765][ T254] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.951768][ T254] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.951772][ T254] init_module_from_file (kernel/module/main.c:3790) [ 10.951776][ T254] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.951784][ T254] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.951788][ T254] ? 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) [ 10.951791][ T254] idempotent_init_module (kernel/module/main.c:3802) [ 10.951794][ T254] ? init_module_from_file (kernel/module/main.c:3791) [ 10.951801][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.951803][ T254] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.951809][ T254] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.951811][ T254] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.951815][ T254] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.951819][ T254] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.951821][ T254] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.951823][ T254] RIP: 0033:0x7f48495d237d [ 10.951827][ T254] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 10.951829][ T254] RSP: 002b:00007ffc87f27c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.951831][ T254] RAX: ffffffffffffffda RBX: 000055ea65640d30 RCX: 00007f48495d237d [ 10.951832][ T254] RDX: 0000000000000000 RSI: 000055ea39057ffd RDI: 0000000000000000 [ 10.951833][ T254] RBP: 00007ffc87f27d30 R08: 0000000000000000 R09: 0000000000000000 [ 10.951834][ T254] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea39057ffd [ 10.951835][ T254] R13: 000055ea65640cf0 R14: 0000000000040000 R15: 0000000000000000 | [ 11.075987][ T12] #10: ffffffff8e089560 (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)) | [ 11.075990][ T12] | [ 11.075990][ T12] stack backtrace: | [ 11.075996][ T12] Tainted: [W]=WARN [ 11.075997][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.075999][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 11.076002][ T12] Call Trace: [ 11.076004][ T12] [ 11.076005][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.076012][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 11.076017][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 11.076022][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.076025][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.076030][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.076034][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.076039][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.076042][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.076045][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 11.076048][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.076051][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.076056][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.076063][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.076065][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076069][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.076073][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.076077][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.076078][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.076082][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076084][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.076088][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.076092][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.076094][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.076099][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.076102][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.076104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076106][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.076110][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.076112][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.076115][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 11.076119][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.076122][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 11.076128][ T12] _printk (kernel/printk/printk.c:2504) [ 11.076130][ T12] ? snapshot_read.cold (user.c:?) [ 11.076132][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 11.076137][ T12] ? idr_get_free (??:?) [ 11.076143][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 11.076147][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre [ 11.076151][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.076154][ T12] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 11.076156][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.076159][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.076162][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.076166][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.076169][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 11.076177][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076180][ T12] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 11.076183][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076186][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 11.076190][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.076192][ T12] ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:78) [ 11.076197][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 11.076198][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.076201][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.076203][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.076205][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.076208][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.076211][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.076213][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.076215][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 11.076221][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 11.076226][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 11.076228][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.076231][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.076233][ T12] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 11.076238][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 11.076241][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 11.076244][ T12] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 11.076246][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.076248][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.076251][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.076252][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.076257][ T12] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 11.076262][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.076268][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.076274][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 11.076277][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.076279][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 11.076282][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.076283][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.076286][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.076289][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.076292][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.076293][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.076296][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 11.076299][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.076300][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.076302][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.076306][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 11.076311][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 11.076314][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076316][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076318][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.076319][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.076323][ T12] process_one_work (kernel/workqueue.c:3387) [ 11.076330][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.076333][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.076341][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.076348][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.076350][ T12] kthread (kernel/kthread.c:436) [ 11.076352][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.076354][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.076357][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.076361][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.076364][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.076367][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.076370][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.621840][ T315] softirqs last disabled at (15357): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.621843][ T315] Preemption disabled at: | [ 12.621843][ T315] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.621857][ T315] Tainted: [W]=WARN [ 12.621858][ T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.621860][ T315] Call Trace: [ 12.621861][ T315] [ 12.621862][ T315] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.621868][ T315] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.621870][ T315] __might_resched.cold (kernel/sched/core.c:9234) [ 12.621874][ T315] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.621878][ T315] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.621883][ T315] __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)) [ 12.621886][ T315] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.621891][ T315] ? 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) [ 12.621894][ T315] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.621897][ T315] put_chars (drivers/char/virtio_console.c:1176) [ 12.621899][ T315] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.621901][ T315] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.621904][ T315] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.621907][ T315] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.621911][ T315] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.621914][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.621915][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.621919][ T315] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.621921][ T315] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.621924][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.621926][ T315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.621930][ T315] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.621934][ T315] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.621935][ T315] ? 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)) [ 12.621938][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.621941][ T315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.621944][ T315] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.621948][ T315] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.621950][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.621955][ T315] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.621958][ T315] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.621959][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.621962][ T315] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.621965][ T315] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.621967][ T315] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.621970][ T315] vprintk_emit (kernel/printk/printk.c:2479) [ 12.621974][ T315] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.621979][ T315] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.621982][ T315] _printk (kernel/printk/printk.c:2504) [ 12.621985][ T315] ? snapshot_read.cold (user.c:?) [ 12.621991][ T315] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 12.621994][ T315] gact_init_module (net/sched/act_gact.c:180) act_gact [ 12.621996][ T315] do_one_initcall (init/main.c:1357) [ 12.621999][ T315] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.622003][ T315] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.622007][ T315] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.622011][ T315] do_init_module (kernel/module/main.c:3117) [ 12.622015][ T315] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.622019][ T315] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.622022][ T315] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.622026][ T315] load_module (kernel/module/main.c:3593) [ 12.622033][ T315] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.622037][ T315] ? __ia32_sys_fsconfig (??:?) [ 12.622040][ T315] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.622044][ T315] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.622047][ T315] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.622050][ T315] init_module_from_file (kernel/module/main.c:3790) [ 12.622053][ T315] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.622061][ T315] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.622065][ T315] ? 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) [ 12.622067][ T315] idempotent_init_module (kernel/module/main.c:3802) [ 12.622071][ T315] ? init_module_from_file (kernel/module/main.c:3791) [ 12.622077][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.622079][ T315] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.622084][ T315] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.622087][ T315] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.622090][ T315] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.622092][ T315] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.622094][ T315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.622096][ T315] RIP: 0033:0x7fa612e6537d [ 12.622100][ T315] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 12.622102][ T315] RSP: 002b:00007ffdd89c22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.622104][ T315] RAX: ffffffffffffffda RBX: 00005589275f2810 RCX: 00007fa612e6537d [ 12.622106][ T315] RDX: 0000000000000000 RSI: 00005589272c8ffd RDI: 0000000000000000 [ 12.622107][ T315] RBP: 00007ffdd89c2380 R08: 0000000000000000 R09: 0000000000000000 [ 12.622108][ T315] R10: 0000000000000000 R11: 0000000000000246 R12: 00005589272c8ffd [ 12.622108][ T315] R13: 00005589275f2960 R14: 0000000000040000 R15: 0000000000000000 | [ 192.114754][ T7007] softirqs last disabled at (18332): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 192.114756][ T7007] Preemption disabled at: | [ 192.114757][ T7007] 0x0 | [ 192.114768][ T7007] Tainted: [W]=WARN [ 192.114768][ T7007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 192.114770][ T7007] Call Trace: [ 192.114772][ T7007] [ 192.114773][ T7007] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 192.114779][ T7007] __might_resched.cold (kernel/sched/core.c:9234) [ 192.114784][ T7007] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 192.114788][ T7007] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 192.114794][ T7007] __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)) [ 192.114796][ T7007] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.114801][ T7007] ? 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) [ 192.114804][ T7007] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.114807][ T7007] put_chars (drivers/char/virtio_console.c:1176) [ 192.114810][ T7007] ? __send_to_port (drivers/char/virtio_console.c:654) [ 192.114811][ T7007] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 192.114818][ T7007] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 192.114823][ T7007] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 192.114830][ T7007] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 192.114832][ T7007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.114835][ T7007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.114839][ T7007] console_emit_next_record (kernel/printk/printk.c:3183) [ 192.114842][ T7007] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 192.114844][ T7007] ? 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)) [ 192.114847][ T7007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.114850][ T7007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.114854][ T7007] console_flush_one_record (kernel/printk/printk.c:3268) [ 192.114858][ T7007] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 192.114860][ T7007] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 192.114865][ T7007] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 192.114868][ T7007] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 192.114870][ T7007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.114872][ T7007] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 192.114875][ T7007] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 192.114877][ T7007] ? vprintk_emit (kernel/printk/printk.c:2478) [ 192.114881][ T7007] vprintk_emit (kernel/printk/printk.c:2479) [ 192.114884][ T7007] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 192.114888][ T7007] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 192.114891][ T7007] _printk (kernel/printk/printk.c:2504) [ 192.114895][ T7007] ? snapshot_read.cold (user.c:?) [ 192.114898][ T7007] ? 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) [ 192.114900][ T7007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.114904][ T7007] ? 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) [ 192.114907][ T7007] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 192.114910][ T7007] ? exit_notify (kernel/exit.c:780) [ 192.114912][ T7007] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 192.114915][ T7007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.114919][ T7007] do_group_exit (kernel/exit.c:1151) [ 192.114922][ T7007] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 192.114924][ T7007] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 192.114926][ T7007] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 192.114929][ T7007] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 192.114932][ T7007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 192.114934][ T7007] RIP: 0033:0x7f3f59a691b8 [ 192.114937][ T7007] Code: Unable to access opcode bytes at 0x7f3f59a6918e. Code starting with the faulting instruction =========================================== [ 192.114938][ T7007] RSP: 002b:00007ffd420b83a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 192.114940][ T7007] RAX: ffffffffffffffda RBX: 00007f3f59b99f88 RCX: 00007f3f59a691b8 [ 192.114942][ T7007] RDX: 00007f3f597fa7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 192.114942][ T7007] RBP: 00007ffd420b8400 R08: 0000000000000000 R09: 0000000000001010 [ 192.114943][ T7007] R10: 00007ffd420b8220 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print