====================================== | [ 11.351759][ T207] softirqs last disabled at (36895): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.351762][ T207] Preemption disabled at: | [ 11.351763][ T207] 0x0 | [ 11.351773][ T207] Tainted: [W]=WARN [ 11.351773][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.351775][ T207] Call Trace: [ 11.351776][ T207] [ 11.351778][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.351785][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 11.351789][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.351794][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.351798][ T207] __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)) [ 11.351800][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.351807][ T207] ? 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) [ 11.351810][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.351814][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 11.351817][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.351818][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.351822][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.351827][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.351836][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.351838][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.351841][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.351845][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.351849][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.351851][ T207] ? 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)) [ 11.351854][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.351856][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.351860][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.351865][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.351867][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.351872][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.351875][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.351877][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.351879][ T207] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.351883][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.351885][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.351888][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 11.351891][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.351894][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.351898][ T207] _printk (kernel/printk/printk.c:2504) [ 11.351902][ T207] ? snapshot_read.cold (user.c:?) [ 11.351905][ T207] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.351908][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.351912][ T207] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.351915][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.351919][ T207] ? exit_notify (kernel/exit.c:780) [ 11.351921][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.351924][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.351927][ T207] do_group_exit (kernel/exit.c:1151) [ 11.351930][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.351932][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.351935][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.351939][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.351942][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.351944][ T207] RIP: 0033:0x7fa1909481b8 [ 11.351947][ T207] Code: Unable to access opcode bytes at 0x7fa19094818e. Code starting with the faulting instruction =========================================== [ 11.351948][ T207] RSP: 002b:00007ffc8ef3fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.351950][ T207] RAX: ffffffffffffffda RBX: 00007fa190a78f88 RCX: 00007fa1909481b8 [ 11.351952][ T207] RDX: 00007fa190885a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.351953][ T207] RBP: 00007ffc8ef3fd50 R08: 0000000000000000 R09: 0000000000000030 [ 11.351953][ T207] R10: 00007ffc8ef3fb90 R11: 0000000000000246 R12: 0000000000000002 [ 11.351954][ T207] R13: 0000000000000000 R14: 00007fa190a77680 R15: 00007fa190a78fa0 | [ 13.516397][ T270] softirqs last disabled at (19189): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.516400][ T270] Preemption disabled at: | [ 13.516400][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.516409][ T270] Tainted: [W]=WARN [ 13.516410][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.516412][ T270] Call Trace: [ 13.516414][ T270] [ 13.516415][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.516422][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.516424][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 13.516428][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.516432][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.516437][ T270] __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)) [ 13.516439][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.516446][ T270] ? 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) [ 13.516449][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.516453][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 13.516454][ T270] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.516457][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.516460][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.516463][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.516468][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.516472][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.516474][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.516479][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.516480][ T270] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.516484][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.516486][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.516490][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.516494][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.516496][ T270] ? 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)) [ 13.516500][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.516502][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.516506][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.516510][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.516512][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.516517][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.516520][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.516522][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.516524][ T270] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 13.516528][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.516530][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.516532][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 13.516536][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.516541][ T270] ? nft_chain_route_fini (net/netfilter/nf_tables_core.c:150 net/netfilter/nf_tables_core.c:284) nf_tables [ 13.516551][ T270] _printk (kernel/printk/printk.c:2504) [ 13.516555][ T270] ? snapshot_read.cold (user.c:?) [ 13.516561][ T270] ? 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) [ 13.516565][ T270] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user [ 13.516568][ T270] do_one_initcall (init/main.c:1357) [ 13.516571][ T270] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.516575][ T270] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.516578][ T270] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.516584][ T270] do_init_module (kernel/module/main.c:3117) [ 13.516587][ T270] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.516591][ T270] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.516594][ T270] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.516597][ T270] load_module (kernel/module/main.c:3593) [ 13.516603][ T270] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 13.516608][ T270] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.516612][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.516616][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.516622][ T270] init_module_from_file (kernel/module/main.c:3790) [ 13.516626][ T270] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.516634][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.516638][ T270] ? 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) [ 13.516642][ T270] idempotent_init_module (kernel/module/main.c:3802) [ 13.516644][ T270] ? init_module_from_file (kernel/module/main.c:3791) [ 13.516650][ T270] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.516652][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 13.516657][ T270] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.516659][ T270] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.516667][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.516671][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.516673][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.516676][ T270] RIP: 0033:0x7fd87d14a37d [ 13.516679][ T270] 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 [ 13.516681][ T270] RSP: 002b:00007ffcc6ac2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.516683][ T270] RAX: ffffffffffffffda RBX: 0000562d955d8810 RCX: 00007fd87d14a37d [ 13.516685][ T270] RDX: 0000000000000000 RSI: 0000562d72a51ffd RDI: 0000000000000000 [ 13.516686][ T270] RBP: 00007ffcc6ac25a0 R08: 0000000000000000 R09: 0000000000000000 [ 13.516687][ T270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d72a51ffd Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars