====================================== | [ 12.972088][ T291] softirqs last disabled at (18847): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.972090][ T291] Preemption disabled at: | [ 12.972091][ T291] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.972100][ T291] Tainted: [W]=WARN [ 12.972101][ T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.972103][ T291] Call Trace: [ 12.972105][ T291] [ 12.972106][ T291] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.972111][ T291] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.972114][ T291] __might_resched.cold (kernel/sched/core.c:9234) [ 12.972118][ T291] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.972122][ T291] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.972127][ T291] __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)) [ 12.972129][ T291] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.972135][ T291] ? 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) [ 12.972138][ T291] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.972141][ T291] put_chars (drivers/char/virtio_console.c:1176) [ 12.972143][ T291] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.972145][ T291] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.972149][ T291] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.972152][ T291] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.972156][ T291] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.972159][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.972164][ T291] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.972166][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.972171][ T291] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.972174][ T291] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.972176][ T291] ? 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)) [ 12.972179][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.972181][ T291] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.972185][ T291] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.972189][ T291] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.972191][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.972196][ T291] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.972198][ T291] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.972200][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.972202][ T291] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.972206][ T291] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.972208][ T291] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.972211][ T291] vprintk_emit (kernel/printk/printk.c:2479) [ 12.972215][ T291] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.972220][ T291] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.972224][ T291] _printk (kernel/printk/printk.c:2504) [ 12.972227][ T291] ? snapshot_read.cold (user.c:?) [ 12.972233][ T291] ? 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) [ 12.972236][ T291] 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 [ 12.972239][ T291] do_one_initcall (init/main.c:1357) [ 12.972242][ T291] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.972246][ T291] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.972249][ T291] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.972254][ T291] do_init_module (kernel/module/main.c:3117) [ 12.972257][ T291] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.972261][ T291] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.972264][ T291] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.972268][ T291] load_module (kernel/module/main.c:3593) [ 12.972275][ T291] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.972279][ T291] ? __ia32_sys_fsconfig (??:?) [ 12.972282][ T291] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.972286][ T291] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.972289][ T291] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.972293][ T291] init_module_from_file (kernel/module/main.c:3790) [ 12.972296][ T291] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.972303][ T291] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.972307][ T291] ? 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) [ 12.972310][ T291] idempotent_init_module (kernel/module/main.c:3802) [ 12.972313][ T291] ? init_module_from_file (kernel/module/main.c:3791) [ 12.972319][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.972321][ T291] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.972332][ T291] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.972334][ T291] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.972338][ T291] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.972339][ T291] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.972342][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.972344][ T291] RIP: 0033:0x7f8dfc8bd37d [ 12.972348][ T291] 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 [ 12.972349][ T291] RSP: 002b:00007fff7d5daa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.972352][ T291] RAX: ffffffffffffffda RBX: 000055ee680da810 RCX: 00007f8dfc8bd37d [ 12.972353][ T291] RDX: 0000000000000000 RSI: 000055ee3dda0ffd RDI: 0000000000000000 [ 12.972354][ T291] RBP: 00007fff7d5dab10 R08: 0000000000000000 R09: 0000000000000000 [ 12.972355][ T291] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ee3dda0ffd [ 12.972356][ T291] R13: 000055ee680da960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.117517][ T389] softirqs last disabled at (16519): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.117519][ T389] Preemption disabled at: | [ 20.117520][ T389] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.117529][ T389] Tainted: [W]=WARN [ 20.117529][ T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.117531][ T389] Call Trace: [ 20.117533][ T389] [ 20.117534][ T389] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.117540][ T389] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.117542][ T389] __might_resched.cold (kernel/sched/core.c:9234) [ 20.117547][ T389] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.117551][ T389] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.117556][ T389] __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)) [ 20.117558][ T389] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.117564][ T389] ? 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) [ 20.117567][ T389] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.117570][ T389] put_chars (drivers/char/virtio_console.c:1176) [ 20.117572][ T389] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 20.117574][ T389] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.117577][ T389] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.117580][ T389] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.117584][ T389] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.117587][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.117589][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.117594][ T389] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.117595][ T389] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.117598][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.117601][ T389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.117605][ T389] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.117609][ T389] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.117610][ T389] ? 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)) [ 20.117614][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.117616][ T389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.117620][ T389] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.117624][ T389] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.117626][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.117631][ T389] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.117634][ T389] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.117636][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.117638][ T389] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.117642][ T389] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.117643][ T389] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.117647][ T389] vprintk_emit (kernel/printk/printk.c:2479) [ 20.117651][ T389] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.117656][ T389] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 20.117659][ T389] _printk (kernel/printk/printk.c:2504) [ 20.117663][ T389] ? snapshot_read.cold (user.c:?) [ 20.117669][ T389] ? 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) [ 20.117672][ T389] gact_init_module (net/sched/act_gact.c:180) act_gact [ 20.117675][ T389] do_one_initcall (init/main.c:1357) [ 20.117678][ T389] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.117682][ T389] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.117685][ T389] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.117690][ T389] do_init_module (kernel/module/main.c:3117) [ 20.117694][ T389] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.117698][ T389] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.117701][ T389] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.117705][ T389] load_module (kernel/module/main.c:3593) [ 20.117712][ T389] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.117716][ T389] ? __ia32_sys_fsconfig (??:?) [ 20.117718][ T389] ? ovl_real_file (fs/overlayfs/file.c:195) [ 20.117726][ T389] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.117729][ T389] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.117733][ T389] init_module_from_file (kernel/module/main.c:3790) [ 20.117736][ T389] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.117749][ T389] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.117752][ T389] ? 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) [ 20.117755][ T389] idempotent_init_module (kernel/module/main.c:3802) [ 20.117758][ T389] ? init_module_from_file (kernel/module/main.c:3791) [ 20.117765][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.117767][ T389] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.117772][ T389] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.117775][ T389] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.117778][ T389] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.117780][ T389] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.117783][ T389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.117785][ T389] RIP: 0033:0x7f6d8cdde37d [ 20.117788][ T389] 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 [ 20.117790][ T389] RSP: 002b:00007ffee44ddb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.117793][ T389] RAX: ffffffffffffffda RBX: 000056458397d810 RCX: 00007f6d8cdde37d [ 20.117794][ T389] RDX: 0000000000000000 RSI: 000056456b3c2ffd RDI: 0000000000000000 [ 20.117795][ T389] RBP: 00007ffee44ddbc0 R08: 0000000000000000 R09: 0000000000000000 [ 20.117796][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: 000056456b3c2ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars