====================================== | [ 12.235923][ T262] softirqs last disabled at (35109): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.235925][ T262] Preemption disabled at: | [ 12.235925][ T262] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.235934][ T262] Tainted: [W]=WARN [ 12.235935][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.235936][ T262] Call Trace: [ 12.235937][ T262] [ 12.235939][ T262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.235944][ T262] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.235947][ T262] __might_resched.cold (kernel/sched/core.c:9234) [ 12.235951][ T262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.235955][ T262] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.235960][ T262] __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)) [ 12.235962][ T262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.235967][ T262] ? 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) [ 12.235970][ T262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.235973][ T262] put_chars (drivers/char/virtio_console.c:1176) [ 12.235975][ T262] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.235977][ T262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.235979][ T262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.235983][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.235987][ T262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.235989][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235990][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235995][ T262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.235996][ T262] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.236005][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236008][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.236012][ T262] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.236015][ T262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.236017][ T262] ? 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)) [ 12.236020][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236022][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.236026][ T262] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.236030][ T262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.236032][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.236036][ T262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.236039][ T262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.236041][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236043][ T262] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.236046][ T262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.236048][ T262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.236051][ T262] vprintk_emit (kernel/printk/printk.c:2479) [ 12.236055][ T262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.236060][ T262] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.236063][ T262] _printk (kernel/printk/printk.c:2504) [ 12.236067][ T262] ? snapshot_read.cold (user.c:?) [ 12.236073][ T262] ? 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) [ 12.236076][ T262] gre_init (gre.mod.c:?) gre [ 12.236078][ T262] do_one_initcall (init/main.c:1357) [ 12.236080][ T262] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.236085][ T262] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.236088][ T262] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.236093][ T262] do_init_module (kernel/module/main.c:3117) [ 12.236096][ T262] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.236101][ T262] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.236104][ T262] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.236107][ T262] load_module (kernel/module/main.c:3593) [ 12.236114][ T262] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.236119][ T262] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.236123][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.236126][ T262] init_module_from_file (kernel/module/main.c:3790) [ 12.236129][ T262] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.236137][ T262] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.236140][ T262] ? 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) [ 12.236143][ T262] idempotent_init_module (kernel/module/main.c:3802) [ 12.236147][ T262] ? init_module_from_file (kernel/module/main.c:3791) [ 12.236152][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236155][ T262] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.236161][ T262] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.236163][ T262] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.236166][ T262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.236168][ T262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.236171][ T262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.236173][ T262] RIP: 0033:0x7f2f154ce37d [ 12.236176][ T262] 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 [ 12.236178][ T262] RSP: 002b:00007ffd1205bf38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.236180][ T262] RAX: ffffffffffffffda RBX: 0000563cba557a40 RCX: 00007f2f154ce37d [ 12.236182][ T262] RDX: 0000000000000000 RSI: 0000563ca2905ffd RDI: 0000000000000001 [ 12.236183][ T262] RBP: 00007ffd1205bfd0 R08: 0000000000000000 R09: 0000000000000000 [ 12.236183][ T262] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563ca2905ffd [ 12.236184][ T262] R13: 0000563cba557a00 R14: 0000000000040000 R15: 0000000000000000 | [ 13.992039][ T323] softirqs last disabled at (16435): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.992042][ T323] Preemption disabled at: | [ 13.992042][ T323] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.992051][ T323] Tainted: [W]=WARN [ 13.992052][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.992054][ T323] Call Trace: [ 13.992055][ T323] [ 13.992057][ T323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.992062][ T323] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.992064][ T323] __might_resched.cold (kernel/sched/core.c:9234) [ 13.992069][ T323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.992073][ T323] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.992078][ T323] __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)) [ 13.992080][ T323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.992086][ T323] ? 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) [ 13.992088][ T323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.992091][ T323] put_chars (drivers/char/virtio_console.c:1176) [ 13.992093][ T323] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.992095][ T323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.992098][ T323] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.992101][ T323] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.992106][ T323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.992108][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.992110][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.992114][ T323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.992115][ T323] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.992118][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.992121][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.992125][ T323] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.992129][ T323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.992131][ T323] ? 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)) [ 13.992134][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.992136][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.992140][ T323] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.992144][ T323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.992145][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.992150][ T323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.992153][ T323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.992155][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.992157][ T323] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.992160][ T323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.992162][ T323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.992165][ T323] vprintk_emit (kernel/printk/printk.c:2479) [ 13.992170][ T323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.992175][ T323] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.992178][ T323] _printk (kernel/printk/printk.c:2504) [ 13.992181][ T323] ? snapshot_read.cold (user.c:?) [ 13.992187][ T323] ? 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) [ 13.992190][ T323] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.992193][ T323] do_one_initcall (init/main.c:1357) [ 13.992196][ T323] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.992200][ T323] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.992203][ T323] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.992208][ T323] do_init_module (kernel/module/main.c:3117) [ 13.992212][ T323] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.992216][ T323] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.992219][ T323] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.992223][ T323] load_module (kernel/module/main.c:3593) [ 13.992230][ T323] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.992234][ T323] ? __ia32_sys_fsconfig (??:?) [ 13.992236][ T323] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.992241][ T323] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.992244][ T323] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.992247][ T323] init_module_from_file (kernel/module/main.c:3790) [ 13.992250][ T323] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.992258][ T323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.992262][ T323] ? 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) [ 13.992265][ T323] idempotent_init_module (kernel/module/main.c:3802) [ 13.992268][ T323] ? init_module_from_file (kernel/module/main.c:3791) [ 13.992274][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.992276][ T323] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.992282][ T323] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.992284][ T323] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.992287][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.992289][ T323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.992292][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.992294][ T323] RIP: 0033:0x7fdfd47ad37d [ 13.992298][ T323] 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 [ 13.992299][ T323] RSP: 002b:00007ffe76fbe538 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.992302][ T323] RAX: ffffffffffffffda RBX: 0000560184a52810 RCX: 00007fdfd47ad37d [ 13.992304][ T323] RDX: 0000000000000000 RSI: 0000560149991ffd RDI: 0000000000000000 [ 13.992304][ T323] RBP: 00007ffe76fbe5d0 R08: 0000000000000000 R09: 0000000000000000 [ 13.992305][ T323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560149991ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars