====================================== | [ 12.062634][ T264] softirqs last disabled at (22435): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.062637][ T264] Preemption disabled at: | [ 12.062637][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.062646][ T264] Tainted: [W]=WARN [ 12.062647][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.062649][ T264] Call Trace: [ 12.062650][ T264] [ 12.062651][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.062657][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.062660][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 12.062664][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.062668][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.062674][ T264] __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)) [ 12.062676][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.062681][ T264] ? 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) [ 12.062684][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.062687][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 12.062689][ T264] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.062691][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.062694][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.062698][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.062702][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.062704][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.062706][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.062711][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.062712][ T264] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.062715][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.062718][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.062722][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.062726][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.062727][ T264] ? 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)) [ 12.062730][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.062733][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.062736][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.062741][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.062742][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.062748][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.062750][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.062752][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.062754][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.062758][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.062759][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.062763][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 12.062767][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.062772][ T264] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.062775][ T264] _printk (kernel/printk/printk.c:2504) [ 12.062779][ T264] ? snapshot_read.cold (user.c:?) [ 12.062785][ T264] ? 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) [ 12.062788][ T264] gre_init (gre.mod.c:?) gre [ 12.062790][ T264] do_one_initcall (init/main.c:1357) [ 12.062793][ T264] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.062797][ T264] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.062800][ T264] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.062805][ T264] do_init_module (kernel/module/main.c:3117) [ 12.062808][ T264] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.062814][ T264] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.062817][ T264] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.062821][ T264] load_module (kernel/module/main.c:3593) [ 12.062828][ T264] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.062833][ T264] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.062837][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.062840][ T264] init_module_from_file (kernel/module/main.c:3790) [ 12.062843][ T264] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.062851][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.062855][ T264] ? 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) [ 12.062857][ T264] idempotent_init_module (kernel/module/main.c:3802) [ 12.062861][ T264] ? init_module_from_file (kernel/module/main.c:3791) [ 12.062867][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.062869][ T264] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.062875][ T264] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.062877][ T264] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.062881][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.062882][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.062885][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.062887][ T264] RIP: 0033:0x7efde98a337d [ 12.062891][ T264] 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 [ 12.062892][ T264] RSP: 002b:00007ffe0b1c15e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.062895][ T264] RAX: ffffffffffffffda RBX: 000055ec4a0b0d30 RCX: 00007efde98a337d [ 12.062896][ T264] RDX: 0000000000000000 RSI: 000055ec11f4bffd RDI: 0000000000000000 [ 12.062897][ T264] RBP: 00007ffe0b1c1680 R08: 0000000000000000 R09: 0000000000000000 [ 12.062898][ T264] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec11f4bffd [ 12.062899][ T264] R13: 000055ec4a0b0cf0 R14: 0000000000040000 R15: 0000000000000000 | [ 12.194504][ T12] #10: ffffffff89089560 (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)) | [ 12.194508][ T12] | [ 12.194508][ T12] stack backtrace: | [ 12.194514][ T12] Tainted: [W]=WARN [ 12.194515][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.194517][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.194520][ T12] Call Trace: [ 12.194522][ T12] [ 12.194523][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.194530][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 12.194536][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 12.194541][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.194544][ 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) [ 12.194549][ 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)) [ 12.194551][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.194557][ 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) [ 12.194560][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.194563][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.194565][ T12] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 12.194568][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.194571][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.194576][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.194583][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.194585][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.194589][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.194593][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.194597][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.194599][ 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)) [ 12.194602][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.194605][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.194609][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.194613][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.194615][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.194620][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.194623][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.194625][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.194628][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.194631][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.194633][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.194637][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.194641][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.194644][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.194649][ T12] _printk (kernel/printk/printk.c:2504) [ 12.194652][ T12] ? snapshot_read.cold (user.c:?) [ 12.194654][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.194660][ T12] ? idr_get_free (??:?) [ 12.194665][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 12.194670][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 12.194675][ T12] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 12.194678][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.194680][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.194683][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.194686][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.194688][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 12.194695][ 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) [ 12.194699][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.194702][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 12.194706][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.194708][ T12] ? ipv6_update_options (./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:105 (discriminator 1)) [ 12.194713][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 12.194715][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.194718][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.194720][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.194722][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.194725][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.194728][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.194731][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.194733][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 12.194739][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 12.194744][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 12.194746][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.194749][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.194752][ 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)) [ 12.194756][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 12.194760][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 12.194763][ T12] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 12.194765][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.194767][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.194770][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.194771][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.194776][ 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)) [ 12.194781][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.194788][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.194793][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 12.194796][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.194799][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 12.194802][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.194803][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.194806][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.194810][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.194815][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.194817][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.194820][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 12.194823][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.194824][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.194826][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.194831][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 12.194835][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 12.194838][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.194840][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.194842][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.194844][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.194848][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.194855][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.194858][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.194866][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.194873][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.194875][ T12] kthread (kernel/kthread.c:436) [ 12.194877][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.194880][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.194883][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.194887][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.194890][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.194893][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.194896][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.058510][ T325] softirqs last disabled at (20729): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.058514][ T325] Preemption disabled at: | [ 14.058514][ T325] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.058526][ T325] Tainted: [W]=WARN [ 14.058527][ T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.058530][ T325] Call Trace: [ 14.058531][ T325] [ 14.058534][ T325] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.058541][ T325] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.058544][ T325] __might_resched.cold (kernel/sched/core.c:9234) [ 14.058550][ T325] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.058556][ T325] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.058563][ T325] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.058567][ T325] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.058576][ T325] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.058579][ T325] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.058585][ T325] put_chars (drivers/char/virtio_console.c:1176) [ 14.058587][ T325] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.058591][ T325] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.058596][ T325] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.058601][ T325] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.058608][ T325] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.058611][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.058614][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.058622][ T325] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.058624][ T325] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.058629][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.058634][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.058640][ T325] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.058646][ T325] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.058649][ T325] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.058654][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.058658][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.058664][ T325] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.058670][ T325] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.058673][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.058682][ T325] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.058686][ T325] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.058689][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.058692][ T325] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.058698][ T325] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.058701][ T325] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.058706][ T325] vprintk_emit (kernel/printk/printk.c:2479) [ 14.058712][ T325] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.058722][ T325] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 14.058726][ T325] _printk (kernel/printk/printk.c:2504) [ 14.058732][ T325] ? snapshot_read.cold (user.c:?) [ 14.058743][ T325] ? 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) [ 14.058748][ T325] gact_init_module (net/sched/act_gact.c:180) act_gact [ 14.058751][ T325] do_one_initcall (init/main.c:1357) [ 14.058756][ T325] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.058763][ T325] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.058767][ T325] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.058775][ T325] do_init_module (kernel/module/main.c:3117) [ 14.058781][ T325] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.058786][ T325] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.058791][ T325] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.058798][ T325] load_module (kernel/module/main.c:3593) [ 14.058810][ T325] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.058819][ T325] ? __ia32_sys_fsconfig (??:?) [ 14.058822][ T325] ? ovl_real_file (fs/overlayfs/file.c:195) [ 14.058828][ T325] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.058832][ T325] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.058839][ T325] init_module_from_file (kernel/module/main.c:3790) [ 14.058844][ T325] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.058858][ T325] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.058864][ T325] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.058869][ T325] idempotent_init_module (kernel/module/main.c:3802) [ 14.058874][ T325] ? init_module_from_file (kernel/module/main.c:3791) [ 14.058885][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.058889][ T325] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.058898][ T325] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.058901][ T325] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.058906][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.058909][ T325] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.058914][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.058917][ T325] RIP: 0033:0x7f4d2ee8f37d [ 14.058921][ T325] 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 [ 14.058924][ T325] RSP: 002b:00007ffe39f93298 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.058928][ T325] RAX: ffffffffffffffda RBX: 00005635129a0810 RCX: 00007f4d2ee8f37d [ 14.058930][ T325] RDX: 0000000000000000 RSI: 0000563505a37ffd RDI: 0000000000000000 [ 14.058931][ T325] RBP: 00007ffe39f93330 R08: 0000000000000000 R09: 0000000000000000 [ 14.058933][ T325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563505a37ffd [ 14.058934][ T325] R13: 00005635129a0960 R14: 0000000000040000 R15: 0000000000000000 | [ 181.451408][ T6104] softirqs last disabled at (13286): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 181.451411][ T6104] Preemption disabled at: | [ 181.451412][ T6104] 0x0 | [ 181.451426][ T6104] Tainted: [W]=WARN [ 181.451427][ T6104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 181.451429][ T6104] Call Trace: [ 181.451432][ T6104] [ 181.451434][ T6104] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 181.451442][ T6104] __might_resched.cold (kernel/sched/core.c:9234) [ 181.451448][ T6104] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 181.451454][ T6104] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 181.451462][ T6104] __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)) [ 181.451465][ T6104] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 181.451474][ T6104] ? 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) [ 181.451477][ T6104] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 181.451483][ T6104] put_chars (drivers/char/virtio_console.c:1176) [ 181.451487][ T6104] ? __send_to_port (drivers/char/virtio_console.c:654) [ 181.451489][ T6104] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 181.451496][ T6104] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 181.451505][ T6104] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 181.451516][ T6104] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 181.451519][ T6104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.451523][ T6104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.451530][ T6104] console_emit_next_record (kernel/printk/printk.c:3183) [ 181.451537][ T6104] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 181.451539][ T6104] ? 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)) [ 181.451544][ T6104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.451548][ T6104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.451555][ T6104] console_flush_one_record (kernel/printk/printk.c:3268) [ 181.451562][ T6104] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 181.451565][ T6104] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 181.451574][ T6104] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 181.451579][ T6104] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 181.451581][ T6104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.451585][ T6104] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 181.451591][ T6104] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 181.451594][ T6104] ? vprintk_emit (kernel/printk/printk.c:2478) [ 181.451599][ T6104] vprintk_emit (kernel/printk/printk.c:2479) [ 181.451605][ T6104] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 181.451611][ T6104] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 181.451618][ T6104] _printk (kernel/printk/printk.c:2504) [ 181.451623][ T6104] ? snapshot_read.cold (user.c:?) [ 181.451633][ T6104] ? 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) [ 181.451638][ T6104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 181.451644][ T6104] ? 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) [ 181.451649][ T6104] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 181.451655][ T6104] ? exit_notify (kernel/exit.c:780) [ 181.451657][ T6104] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 181.451662][ T6104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.451669][ T6104] do_group_exit (kernel/exit.c:1151) [ 181.451674][ T6104] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 181.451676][ T6104] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 181.451680][ T6104] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 181.451684][ T6104] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 181.451688][ T6104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 181.451691][ T6104] RIP: 0033:0x7fc04aff31b8 [ 181.451695][ T6104] Code: Unable to access opcode bytes at 0x7fc04aff318e. Code starting with the faulting instruction =========================================== [ 181.451696][ T6104] RSP: 002b:00007ffcf996f248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 181.451699][ T6104] RAX: ffffffffffffffda RBX: 00007fc04b123f88 RCX: 00007fc04aff31b8 [ 181.451701][ T6104] RDX: 00007fc04ad847c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 181.451703][ T6104] RBP: 00007ffcf996f2a0 R08: 0000000000000000 R09: 0000000000001010 [ 181.451704][ T6104] R10: 00007ffcf996f0c0 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