====================================== | [ 13.066534][ T276] softirqs last disabled at (25817): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.066536][ T276] Preemption disabled at: | [ 13.066537][ T276] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.066546][ T276] Tainted: [W]=WARN [ 13.066547][ T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.066549][ T276] Call Trace: [ 13.066550][ T276] [ 13.066552][ T276] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.066557][ T276] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.066560][ T276] __might_resched.cold (kernel/sched/core.c:9234) [ 13.066564][ T276] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.066568][ T276] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.066573][ T276] __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)) [ 13.066575][ T276] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.066581][ T276] ? 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) [ 13.066584][ T276] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.066587][ T276] put_chars (drivers/char/virtio_console.c:1176) [ 13.066590][ T276] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.066591][ T276] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.066596][ T276] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.066598][ T276] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.066602][ T276] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.066605][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.066610][ T276] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.066612][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.066617][ T276] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.066621][ T276] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.066623][ T276] ? 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)) [ 13.066626][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.066628][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.066632][ T276] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.066636][ T276] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.066637][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.066642][ T276] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.066645][ T276] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.066647][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.066649][ T276] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.066652][ T276] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.066654][ T276] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.066657][ T276] vprintk_emit (kernel/printk/printk.c:2479) [ 13.066661][ T276] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.066667][ T276] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 13.066671][ T276] _printk (kernel/printk/printk.c:2504) [ 13.066675][ T276] ? snapshot_read.cold (user.c:?) [ 13.066683][ T276] ? 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) [ 13.066686][ T276] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 13.066689][ T276] do_one_initcall (init/main.c:1357) [ 13.066692][ T276] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.066696][ T276] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.066699][ T276] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.066703][ T276] do_init_module (kernel/module/main.c:3117) [ 13.066707][ T276] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.066711][ T276] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.066714][ T276] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.066718][ T276] load_module (kernel/module/main.c:3593) [ 13.066725][ T276] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.066729][ T276] ? __ia32_sys_fsconfig (??:?) [ 13.066732][ T276] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.066736][ T276] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.066739][ T276] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.066743][ T276] init_module_from_file (kernel/module/main.c:3790) [ 13.066746][ T276] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.066753][ T276] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.066757][ T276] ? 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) [ 13.066760][ T276] idempotent_init_module (kernel/module/main.c:3802) [ 13.066763][ T276] ? init_module_from_file (kernel/module/main.c:3791) [ 13.066769][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.066771][ T276] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.066777][ T276] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.066780][ T276] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.066783][ T276] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.066785][ T276] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.066787][ T276] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.066790][ T276] RIP: 0033:0x7fd1fde9737d [ 13.066793][ T276] 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 [ 13.066795][ T276] RSP: 002b:00007fffc09ed498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.066798][ T276] RAX: ffffffffffffffda RBX: 00005641d5aef810 RCX: 00007fd1fde9737d [ 13.066799][ T276] RDX: 0000000000000000 RSI: 00005641cac90ffd RDI: 0000000000000000 [ 13.066800][ T276] RBP: 00007fffc09ed530 R08: 0000000000000000 R09: 0000000000000000 [ 13.066801][ T276] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641cac90ffd [ 13.066801][ T276] R13: 00005641d5aef960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.210699][ T366] softirqs last disabled at (15281): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.210702][ T366] Preemption disabled at: | [ 20.210702][ T366] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.210712][ T366] Tainted: [W]=WARN [ 20.210713][ T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.210715][ T366] Call Trace: [ 20.210716][ T366] [ 20.210718][ T366] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.210724][ T366] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.210726][ T366] __might_resched.cold (kernel/sched/core.c:9234) [ 20.210731][ T366] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.210734][ T366] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.210740][ T366] __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)) [ 20.210742][ T366] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.210747][ T366] ? 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) [ 20.210750][ T366] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.210754][ T366] put_chars (drivers/char/virtio_console.c:1176) [ 20.210755][ T366] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 20.210757][ T366] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.210760][ T366] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.210764][ T366] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.210768][ T366] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.210770][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210772][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210776][ T366] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.210777][ T366] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.210780][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210783][ T366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.210787][ T366] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.210791][ T366] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.210792][ T366] ? 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)) [ 20.210795][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210798][ T366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.210801][ T366] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.210805][ T366] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.210807][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.210812][ T366] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.210815][ T366] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.210816][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210819][ T366] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.210822][ T366] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.210824][ T366] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.210827][ T366] vprintk_emit (kernel/printk/printk.c:2479) [ 20.210831][ T366] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.210837][ T366] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 20.210840][ T366] _printk (kernel/printk/printk.c:2504) [ 20.210844][ T366] ? snapshot_read.cold (user.c:?) [ 20.210850][ T366] ? 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) [ 20.210853][ T366] gact_init_module (net/sched/act_gact.c:180) act_gact [ 20.210856][ T366] do_one_initcall (init/main.c:1357) [ 20.210859][ T366] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.210863][ T366] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.210866][ T366] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.210871][ T366] do_init_module (kernel/module/main.c:3117) [ 20.210874][ T366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.210878][ T366] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.210881][ T366] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.210885][ T366] load_module (kernel/module/main.c:3593) [ 20.210892][ T366] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.210896][ T366] ? __ia32_sys_fsconfig (??:?) [ 20.210898][ T366] ? ovl_real_file (fs/overlayfs/file.c:195) [ 20.210903][ T366] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.210906][ T366] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.210909][ T366] init_module_from_file (kernel/module/main.c:3790) [ 20.210912][ T366] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.210920][ T366] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.210924][ T366] ? 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) [ 20.210926][ T366] idempotent_init_module (kernel/module/main.c:3802) [ 20.210930][ T366] ? init_module_from_file (kernel/module/main.c:3791) [ 20.210936][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.210938][ T366] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.210943][ T366] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.210945][ T366] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.210949][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.210951][ T366] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.210954][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.210956][ T366] RIP: 0033:0x7f5befd8d37d [ 20.210959][ T366] 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 [ 20.210961][ T366] RSP: 002b:00007ffcc1ecc938 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.210964][ T366] RAX: ffffffffffffffda RBX: 000055e9a071c810 RCX: 00007f5befd8d37d [ 20.210965][ T366] RDX: 0000000000000000 RSI: 000055e9784b6ffd RDI: 0000000000000000 [ 20.210966][ T366] RBP: 00007ffcc1ecc9d0 R08: 0000000000000000 R09: 0000000000000000 [ 20.210967][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e9784b6ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars