====================================== | [ 14.256785][ T274] softirqs last disabled at (17663): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.256787][ T274] Preemption disabled at: | [ 14.256788][ T274] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.256797][ T274] Tainted: [W]=WARN [ 14.256798][ T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.256800][ T274] Call Trace: [ 14.256802][ T274] [ 14.256803][ T274] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.256809][ T274] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.256811][ T274] __might_resched.cold (kernel/sched/core.c:9234) [ 14.256816][ T274] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.256820][ T274] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.256825][ T274] __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)) [ 14.256827][ T274] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.256833][ T274] ? 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) [ 14.256836][ T274] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.256839][ T274] put_chars (drivers/char/virtio_console.c:1176) [ 14.256842][ T274] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.256844][ T274] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.256849][ T274] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.256851][ T274] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.256856][ T274] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.256858][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.256863][ T274] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.256866][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.256871][ T274] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.256875][ T274] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.256877][ T274] ? 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)) [ 14.256880][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.256882][ T274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.256886][ T274] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.256891][ T274] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.256892][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.256898][ T274] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.256900][ T274] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.256902][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.256904][ T274] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.256908][ T274] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.256910][ T274] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.256913][ T274] vprintk_emit (kernel/printk/printk.c:2479) [ 14.256917][ T274] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.256923][ T274] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 14.256927][ T274] _printk (kernel/printk/printk.c:2504) [ 14.256931][ T274] ? snapshot_read.cold (user.c:?) [ 14.256937][ T274] ? 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) [ 14.256940][ T274] 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 [ 14.256943][ T274] do_one_initcall (init/main.c:1357) [ 14.256946][ T274] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.256951][ T274] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.256954][ T274] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.256959][ T274] do_init_module (kernel/module/main.c:3117) [ 14.256962][ T274] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.256967][ T274] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.256970][ T274] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.256974][ T274] load_module (kernel/module/main.c:3593) [ 14.256982][ T274] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.256986][ T274] ? __ia32_sys_fsconfig (??:?) [ 14.256989][ T274] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.256992][ T274] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.256996][ T274] init_module_from_file (kernel/module/main.c:3790) [ 14.256999][ T274] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.257007][ T274] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.257011][ T274] ? 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) [ 14.257014][ T274] idempotent_init_module (kernel/module/main.c:3802) [ 14.257017][ T274] ? init_module_from_file (kernel/module/main.c:3791) [ 14.257024][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.257026][ T274] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.257033][ T274] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.257035][ T274] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.257039][ T274] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.257041][ T274] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.257043][ T274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.257046][ T274] RIP: 0033:0x7fa686c6937d [ 14.257049][ T274] 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 [ 14.257051][ T274] RSP: 002b:00007ffc2e7566c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.257054][ T274] RAX: ffffffffffffffda RBX: 00005618756dc810 RCX: 00007fa686c6937d [ 14.257055][ T274] RDX: 0000000000000000 RSI: 000056185002effd RDI: 0000000000000000 [ 14.257056][ T274] RBP: 00007ffc2e756760 R08: 0000000000000000 R09: 0000000000000000 [ 14.257057][ T274] R10: 0000000000000000 R11: 0000000000000246 R12: 000056185002effd [ 14.257058][ T274] R13: 00005618756dc960 R14: 0000000000040000 R15: 0000000000000000 | [ 21.288211][ T364] softirqs last disabled at (15757): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.288213][ T364] Preemption disabled at: | [ 21.288213][ T364] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.288223][ T364] Tainted: [W]=WARN [ 21.288223][ T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.288225][ T364] Call Trace: [ 21.288226][ T364] [ 21.288228][ T364] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.288233][ T364] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.288235][ T364] __might_resched.cold (kernel/sched/core.c:9234) [ 21.288240][ T364] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.288244][ T364] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.288249][ T364] __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)) [ 21.288251][ T364] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.288257][ T364] ? 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) [ 21.288260][ T364] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.288263][ T364] put_chars (drivers/char/virtio_console.c:1176) [ 21.288265][ T364] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 21.288269][ T364] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.288272][ T364] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.288276][ T364] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.288280][ T364] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.288283][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.288284][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.288289][ T364] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.288290][ T364] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 21.288294][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.288297][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.288301][ T364] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.288305][ T364] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.288306][ T364] ? 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)) [ 21.288309][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.288312][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.288316][ T364] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.288320][ T364] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.288322][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.288327][ T364] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.288330][ T364] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.288332][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.288334][ T364] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.288338][ T364] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.288340][ T364] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.288343][ T364] vprintk_emit (kernel/printk/printk.c:2479) [ 21.288347][ T364] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.288353][ T364] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 21.288356][ T364] _printk (kernel/printk/printk.c:2504) [ 21.288359][ T364] ? snapshot_read.cold (user.c:?) [ 21.288366][ T364] ? 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) [ 21.288369][ T364] gact_init_module (net/sched/act_gact.c:180) act_gact [ 21.288371][ T364] do_one_initcall (init/main.c:1357) [ 21.288374][ T364] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 21.288379][ T364] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 21.288382][ T364] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 21.288387][ T364] do_init_module (kernel/module/main.c:3117) [ 21.288391][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.288395][ T364] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 21.288399][ T364] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 21.288403][ T364] load_module (kernel/module/main.c:3593) [ 21.288410][ T364] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 21.288414][ T364] ? __ia32_sys_fsconfig (??:?) [ 21.288417][ T364] ? ovl_real_file (fs/overlayfs/file.c:195) [ 21.288420][ T364] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.288422][ T364] ? backing_file_read_iter (fs/backing-file.c:211) [ 21.288425][ T364] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.288429][ T364] init_module_from_file (kernel/module/main.c:3790) [ 21.288432][ T364] ? __do_sys_init_module (kernel/module/main.c:3664) [ 21.288441][ T364] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.288444][ T364] ? 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) [ 21.288447][ T364] idempotent_init_module (kernel/module/main.c:3802) [ 21.288451][ T364] ? init_module_from_file (kernel/module/main.c:3791) [ 21.288457][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.288460][ T364] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 21.288466][ T364] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 21.288472][ T364] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.288476][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.288478][ T364] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.288481][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.288483][ T364] RIP: 0033:0x7f91c550b37d [ 21.288486][ T364] 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 [ 21.288488][ T364] RSP: 002b:00007fff586bc558 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 21.288491][ T364] RAX: ffffffffffffffda RBX: 000055fe2b70d810 RCX: 00007f91c550b37d [ 21.288492][ T364] RDX: 0000000000000000 RSI: 000055fdef1c1ffd RDI: 0000000000000000 [ 21.288493][ T364] RBP: 00007fff586bc5f0 R08: 0000000000000000 R09: 0000000000000000 [ 21.288494][ T364] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fdef1c1ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars