====================================== | [ 12.353294][ T243] softirqs last disabled at (26329): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.353297][ T243] Preemption disabled at: | [ 12.353297][ T243] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.353306][ T243] Tainted: [W]=WARN [ 12.353307][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.353309][ T243] Call Trace: [ 12.353310][ T243] [ 12.353312][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.353317][ T243] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.353320][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 12.353324][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.353328][ T243] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.353333][ T243] __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)) [ 12.353335][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.353341][ T243] ? 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) [ 12.353344][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.353347][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 12.353349][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.353351][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.353356][ T243] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.353358][ T243] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.353363][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.353365][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.353370][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.353373][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.353378][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.353382][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.353384][ T243] ? 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)) [ 12.353387][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.353389][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.353393][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.353397][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.353399][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.353404][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.353406][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.353408][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.353411][ T243] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.353414][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.353416][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.353419][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 12.353423][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.353429][ T243] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.353433][ T243] _printk (kernel/printk/printk.c:2504) [ 12.353436][ T243] ? snapshot_read.cold (user.c:?) [ 12.353442][ T243] ? 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) [ 12.353445][ T243] 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 [ 12.353448][ T243] do_one_initcall (init/main.c:1357) [ 12.353451][ T243] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.353456][ T243] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.353459][ T243] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.353464][ T243] do_init_module (kernel/module/main.c:3117) [ 12.353467][ T243] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.353471][ T243] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.353475][ T243] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.353478][ T243] load_module (kernel/module/main.c:3593) [ 12.353486][ T243] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.353490][ T243] ? __ia32_sys_fsconfig (??:?) [ 12.353492][ T243] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.353496][ T243] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.353499][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.353503][ T243] init_module_from_file (kernel/module/main.c:3790) [ 12.353507][ T243] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.353515][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.353519][ T243] ? 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) [ 12.353524][ T243] idempotent_init_module (kernel/module/main.c:3802) [ 12.353528][ T243] ? init_module_from_file (kernel/module/main.c:3791) [ 12.353534][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.353537][ T243] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.353543][ T243] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.353545][ T243] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.353548][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.353551][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.353553][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.353556][ T243] RIP: 0033:0x7ff04e02337d [ 12.353559][ T243] 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 [ 12.353561][ T243] RSP: 002b:00007ffc398317c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.353564][ T243] RAX: ffffffffffffffda RBX: 000055fc674e9810 RCX: 00007ff04e02337d [ 12.353565][ T243] RDX: 0000000000000000 RSI: 000055fc3f5e2ffd RDI: 0000000000000000 [ 12.353566][ T243] RBP: 00007ffc39831860 R08: 0000000000000000 R09: 0000000000000000 [ 12.353567][ T243] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc3f5e2ffd [ 12.353568][ T243] R13: 000055fc674e9960 R14: 0000000000040000 R15: 0000000000000000 | [ 14.572287][ T312] softirqs last disabled at (28953): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.572289][ T312] Preemption disabled at: | [ 14.572290][ T312] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.572299][ T312] Tainted: [W]=WARN [ 14.572300][ T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.572302][ T312] Call Trace: [ 14.572303][ T312] [ 14.572305][ T312] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.572310][ T312] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.572312][ T312] __might_resched.cold (kernel/sched/core.c:9234) [ 14.572317][ T312] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.572321][ T312] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.572326][ T312] __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)) [ 14.572329][ T312] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.572335][ T312] ? 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) [ 14.572337][ T312] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.572341][ T312] put_chars (drivers/char/virtio_console.c:1176) [ 14.572343][ T312] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.572345][ T312] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.572348][ T312] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.572351][ T312] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.572355][ T312] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.572358][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.572360][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.572364][ T312] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.572366][ T312] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.572369][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.572372][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.572376][ T312] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.572380][ T312] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.572382][ T312] ? 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)) [ 14.572385][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.572387][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.572391][ T312] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.572396][ T312] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.572397][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.572403][ T312] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.572405][ T312] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.572407][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.572410][ T312] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.572413][ T312] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.572415][ T312] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.572418][ T312] vprintk_emit (kernel/printk/printk.c:2479) [ 14.572422][ T312] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.572428][ T312] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 14.572431][ T312] _printk (kernel/printk/printk.c:2504) [ 14.572435][ T312] ? snapshot_read.cold (user.c:?) [ 14.572442][ T312] ? 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) [ 14.572445][ T312] gact_init_module (net/sched/act_gact.c:180) act_gact [ 14.572447][ T312] do_one_initcall (init/main.c:1357) [ 14.572450][ T312] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.572455][ T312] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.572458][ T312] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.572463][ T312] do_init_module (kernel/module/main.c:3117) [ 14.572466][ T312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.572471][ T312] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.572474][ T312] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.572478][ T312] load_module (kernel/module/main.c:3593) [ 14.572485][ T312] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.572489][ T312] ? __ia32_sys_fsconfig (??:?) [ 14.572492][ T312] ? ovl_real_file (fs/overlayfs/file.c:195) [ 14.572495][ T312] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.572498][ T312] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.572502][ T312] init_module_from_file (kernel/module/main.c:3790) [ 14.572506][ T312] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.572515][ T312] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.572519][ T312] ? 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) [ 14.572524][ T312] idempotent_init_module (kernel/module/main.c:3802) [ 14.572529][ T312] ? init_module_from_file (kernel/module/main.c:3791) [ 14.572536][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.572539][ T312] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.572545][ T312] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.572547][ T312] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.572550][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.572552][ T312] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.572555][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.572558][ T312] RIP: 0033:0x7f13e103337d [ 14.572561][ T312] 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 [ 14.572563][ T312] RSP: 002b:00007ffd3fb68978 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.572565][ T312] RAX: ffffffffffffffda RBX: 0000555b050d9810 RCX: 00007f13e103337d [ 14.572567][ T312] RDX: 0000000000000000 RSI: 0000555adef2bffd RDI: 0000000000000000 [ 14.572568][ T312] RBP: 00007ffd3fb68a10 R08: 0000000000000000 R09: 0000000000000000 [ 14.572569][ T312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555adef2bffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars