====================================== | [ 12.765558][ T248] softirqs last disabled at (28683): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.765561][ T248] Preemption disabled at: | [ 12.765561][ T248] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.765571][ T248] Tainted: [W]=WARN [ 12.765572][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.765574][ T248] Call Trace: [ 12.765575][ T248] [ 12.765577][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.765582][ T248] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.765585][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 12.765589][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.765593][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.765598][ T248] __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)) [ 12.765601][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.765606][ T248] ? 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) [ 12.765609][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.765612][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 12.765615][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.765616][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.765621][ T248] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.765624][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.765628][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.765631][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.765635][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.765638][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.765643][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.765646][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.765648][ T248] ? 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)) [ 12.765651][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.765653][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.765657][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.765661][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.765663][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.765668][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.765671][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.765672][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.765674][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.765678][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.765680][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.765683][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 12.765687][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.765692][ T248] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.765696][ T248] _printk (kernel/printk/printk.c:2504) [ 12.765700][ T248] ? snapshot_read.cold (user.c:?) [ 12.765706][ T248] ? 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) [ 12.765709][ T248] 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 [ 12.765712][ T248] do_one_initcall (init/main.c:1357) [ 12.765714][ T248] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.765719][ T248] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.765722][ T248] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.765726][ T248] do_init_module (kernel/module/main.c:3117) [ 12.765730][ T248] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.765734][ T248] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.765737][ T248] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.765741][ T248] load_module (kernel/module/main.c:3593) [ 12.765748][ T248] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.765752][ T248] ? __ia32_sys_fsconfig (??:?) [ 12.765755][ T248] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.765757][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.765761][ T248] init_module_from_file (kernel/module/main.c:3790) [ 12.765764][ T248] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.765772][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.765775][ T248] ? 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) [ 12.765778][ T248] idempotent_init_module (kernel/module/main.c:3802) [ 12.765781][ T248] ? init_module_from_file (kernel/module/main.c:3791) [ 12.765787][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.765790][ T248] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.765796][ T248] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.765798][ T248] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.765801][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.765803][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.765806][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.765808][ T248] RIP: 0033:0x7f699711837d [ 12.765812][ T248] 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 [ 12.765815][ T248] RSP: 002b:00007ffd312075e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.765818][ T248] RAX: ffffffffffffffda RBX: 0000555a874cf810 RCX: 00007f699711837d [ 12.765819][ T248] RDX: 0000000000000000 RSI: 0000555a754f4ffd RDI: 0000000000000000 [ 12.765820][ T248] RBP: 00007ffd31207680 R08: 0000000000000000 R09: 0000000000000000 [ 12.765821][ T248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555a754f4ffd [ 12.765821][ T248] R13: 0000555a874cf960 R14: 0000000000040000 R15: 0000000000000000 | [ 15.164027][ T326] softirqs last disabled at (30871): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.164029][ T326] Preemption disabled at: | [ 15.164030][ T326] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.164039][ T326] Tainted: [W]=WARN [ 15.164040][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.164041][ T326] Call Trace: [ 15.164043][ T326] [ 15.164044][ T326] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.164050][ T326] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.164052][ T326] __might_resched.cold (kernel/sched/core.c:9234) [ 15.164056][ T326] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.164060][ T326] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.164065][ T326] __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)) [ 15.164068][ T326] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.164073][ T326] ? 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) [ 15.164076][ T326] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.164079][ T326] put_chars (drivers/char/virtio_console.c:1176) [ 15.164081][ T326] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 15.164084][ T326] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.164086][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.164090][ T326] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.164094][ T326] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.164097][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.164099][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.164103][ T326] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.164104][ T326] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.164107][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.164111][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.164114][ T326] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.164118][ T326] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.164120][ T326] ? 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)) [ 15.164123][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.164127][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.164131][ T326] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.164135][ T326] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.164137][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.164142][ T326] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.164145][ T326] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.164146][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.164149][ T326] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.164152][ T326] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.164154][ T326] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.164157][ T326] vprintk_emit (kernel/printk/printk.c:2479) [ 15.164161][ T326] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.164166][ T326] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 15.164169][ T326] _printk (kernel/printk/printk.c:2504) [ 15.164173][ T326] ? snapshot_read.cold (user.c:?) [ 15.164179][ T326] ? 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) [ 15.164182][ T326] gact_init_module (net/sched/act_gact.c:180) act_gact [ 15.164185][ T326] do_one_initcall (init/main.c:1357) [ 15.164187][ T326] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 15.164192][ T326] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 15.164194][ T326] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 15.164199][ T326] do_init_module (kernel/module/main.c:3117) [ 15.164203][ T326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.164207][ T326] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 15.164210][ T326] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 15.164214][ T326] load_module (kernel/module/main.c:3593) [ 15.164221][ T326] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 15.164224][ T326] ? __ia32_sys_fsconfig (??:?) [ 15.164227][ T326] ? ovl_real_file (fs/overlayfs/file.c:195) [ 15.164231][ T326] ? backing_file_read_iter (fs/backing-file.c:211) [ 15.164234][ T326] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.164238][ T326] init_module_from_file (kernel/module/main.c:3790) [ 15.164241][ T326] ? __do_sys_init_module (kernel/module/main.c:3664) [ 15.164249][ T326] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.164252][ T326] ? 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) [ 15.164255][ T326] idempotent_init_module (kernel/module/main.c:3802) [ 15.164258][ T326] ? init_module_from_file (kernel/module/main.c:3791) [ 15.164264][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.164267][ T326] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.164272][ T326] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 15.164274][ T326] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.164278][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.164280][ T326] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.164282][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.164284][ T326] RIP: 0033:0x7f0caa74337d [ 15.164288][ T326] 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 [ 15.164291][ T326] RSP: 002b:00007ffd2634d108 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.164294][ T326] RAX: ffffffffffffffda RBX: 0000562d73272810 RCX: 00007f0caa74337d [ 15.164295][ T326] RDX: 0000000000000000 RSI: 0000562d5d8a6ffd RDI: 0000000000000000 [ 15.164296][ T326] RBP: 00007ffd2634d1a0 R08: 0000000000000000 R09: 0000000000000000 [ 15.164297][ T326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d5d8a6ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars