====================================== | [ 12.995003][ T273] softirqs last disabled at (19821): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.995005][ T273] Preemption disabled at: | [ 12.995006][ T273] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.995016][ T273] Tainted: [W]=WARN [ 12.995017][ T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.995018][ T273] Call Trace: [ 12.995020][ T273] [ 12.995022][ T273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.995027][ T273] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.995030][ T273] __might_resched.cold (kernel/sched/core.c:9234) [ 12.995034][ T273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.995038][ T273] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.995044][ T273] __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)) [ 12.995046][ T273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.995052][ T273] ? 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) [ 12.995055][ T273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.995058][ T273] put_chars (drivers/char/virtio_console.c:1176) [ 12.995061][ T273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.995062][ T273] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.995067][ T273] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.995069][ T273] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.995073][ T273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.995076][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.995081][ T273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.995084][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.995089][ T273] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.995092][ T273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.995094][ T273] ? 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)) [ 12.995097][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.995099][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.995103][ T273] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.995107][ T273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.995109][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.995114][ T273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.995117][ T273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.995118][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.995121][ T273] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.995124][ T273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.995126][ T273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.995129][ T273] vprintk_emit (kernel/printk/printk.c:2479) [ 12.995133][ T273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.995139][ T273] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.995143][ T273] _printk (kernel/printk/printk.c:2504) [ 12.995147][ T273] ? snapshot_read.cold (user.c:?) [ 12.995153][ T273] ? 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) [ 12.995156][ T273] 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 [ 12.995159][ T273] do_one_initcall (init/main.c:1357) [ 12.995162][ T273] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.995166][ T273] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.995169][ T273] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.995174][ T273] do_init_module (kernel/module/main.c:3117) [ 12.995177][ T273] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.995182][ T273] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.995186][ T273] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.995190][ T273] load_module (kernel/module/main.c:3593) [ 12.995198][ T273] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.995201][ T273] ? __ia32_sys_fsconfig (??:?) [ 12.995204][ T273] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.995207][ T273] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.995211][ T273] init_module_from_file (kernel/module/main.c:3790) [ 12.995214][ T273] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.995221][ T273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.995225][ T273] ? 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) [ 12.995228][ T273] idempotent_init_module (kernel/module/main.c:3802) [ 12.995231][ T273] ? init_module_from_file (kernel/module/main.c:3791) [ 12.995237][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.995239][ T273] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.995245][ T273] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.995247][ T273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.995251][ T273] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.995253][ T273] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.995255][ T273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.995258][ T273] RIP: 0033:0x7fec665da37d [ 12.995261][ T273] 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 [ 12.995263][ T273] RSP: 002b:00007ffffa1cdce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.995266][ T273] RAX: ffffffffffffffda RBX: 000056036d14d810 RCX: 00007fec665da37d [ 12.995267][ T273] RDX: 0000000000000000 RSI: 000056032efacffd RDI: 0000000000000000 [ 12.995268][ T273] RBP: 00007ffffa1cdd80 R08: 0000000000000000 R09: 0000000000000000 [ 12.995269][ T273] R10: 0000000000000000 R11: 0000000000000246 R12: 000056032efacffd [ 12.995269][ T273] R13: 000056036d14d960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.016563][ T365] softirqs last disabled at (18477): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.016566][ T365] Preemption disabled at: | [ 20.016567][ T365] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.016576][ T365] Tainted: [W]=WARN [ 20.016577][ T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.016579][ T365] Call Trace: [ 20.016581][ T365] [ 20.016582][ T365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.016588][ T365] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.016591][ T365] __might_resched.cold (kernel/sched/core.c:9234) [ 20.016595][ T365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.016599][ T365] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.016605][ T365] __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)) [ 20.016607][ T365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.016613][ T365] ? 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) [ 20.016616][ T365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.016619][ T365] put_chars (drivers/char/virtio_console.c:1176) [ 20.016621][ T365] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 20.016623][ T365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.016626][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.016630][ T365] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.016634][ T365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.016637][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.016638][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.016643][ T365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.016644][ T365] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.016647][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.016650][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.016654][ T365] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.016658][ T365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.016660][ T365] ? 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)) [ 20.016663][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.016666][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.016670][ T365] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.016674][ T365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.016676][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.016681][ T365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.016684][ T365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.016686][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.016688][ T365] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.016692][ T365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.016693][ T365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.016697][ T365] vprintk_emit (kernel/printk/printk.c:2479) [ 20.016701][ T365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.016707][ T365] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 20.016711][ T365] _printk (kernel/printk/printk.c:2504) [ 20.016715][ T365] ? snapshot_read.cold (user.c:?) [ 20.016721][ T365] ? 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) [ 20.016724][ T365] gact_init_module (net/sched/act_gact.c:180) act_gact [ 20.016727][ T365] do_one_initcall (init/main.c:1357) [ 20.016729][ T365] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.016734][ T365] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.016737][ T365] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.016742][ T365] do_init_module (kernel/module/main.c:3117) [ 20.016746][ T365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.016750][ T365] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.016753][ T365] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.016757][ T365] load_module (kernel/module/main.c:3593) [ 20.016764][ T365] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.016768][ T365] ? __ia32_sys_fsconfig (??:?) [ 20.016771][ T365] ? ovl_real_file (fs/overlayfs/file.c:195) [ 20.016775][ T365] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.016778][ T365] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.016782][ T365] init_module_from_file (kernel/module/main.c:3790) [ 20.016785][ T365] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.016793][ T365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.016797][ T365] ? 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) [ 20.016800][ T365] idempotent_init_module (kernel/module/main.c:3802) [ 20.016803][ T365] ? init_module_from_file (kernel/module/main.c:3791) [ 20.016810][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.016812][ T365] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.016818][ T365] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.016820][ T365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.016824][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.016825][ T365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.016828][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.016830][ T365] RIP: 0033:0x7f275163537d [ 20.016834][ T365] 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 [ 20.016836][ T365] RSP: 002b:00007ffc73d366c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.016839][ T365] RAX: ffffffffffffffda RBX: 0000555fbd27e810 RCX: 00007f275163537d [ 20.016840][ T365] RDX: 0000000000000000 RSI: 0000555f8fc08ffd RDI: 0000000000000000 [ 20.016841][ T365] RBP: 00007ffc73d36760 R08: 0000000000000000 R09: 0000000000000000 [ 20.016842][ T365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555f8fc08ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars