====================================== | [ 10.938648][ T253] softirqs last disabled at (31155): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.938650][ T253] Preemption disabled at: | [ 10.938650][ T253] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.938660][ T253] Tainted: [W]=WARN [ 10.938660][ T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.938662][ T253] Call Trace: [ 10.938664][ T253] [ 10.938665][ T253] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.938670][ T253] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.938672][ T253] __might_resched.cold (kernel/sched/core.c:9234) [ 10.938677][ T253] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.938680][ T253] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.938685][ T253] __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)) [ 10.938688][ T253] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.938693][ T253] ? 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) [ 10.938696][ T253] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.938699][ T253] put_chars (drivers/char/virtio_console.c:1176) [ 10.938701][ T253] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.938703][ T253] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.938706][ T253] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.938709][ T253] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.938713][ T253] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.938716][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.938718][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.938722][ T253] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.938723][ T253] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.938726][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.938729][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.938732][ T253] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.938736][ T253] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.938738][ T253] ? 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)) [ 10.938741][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.938743][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.938747][ T253] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.938751][ T253] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.938753][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.938757][ T253] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.938760][ T253] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.938762][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.938764][ T253] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.938767][ T253] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.938769][ T253] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.938772][ T253] vprintk_emit (kernel/printk/printk.c:2479) [ 10.938776][ T253] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.938781][ T253] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.938784][ T253] _printk (kernel/printk/printk.c:2504) [ 10.938788][ T253] ? snapshot_read.cold (user.c:?) [ 10.938793][ T253] ? 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) [ 10.938796][ T253] gre_init (gre.mod.c:?) gre [ 10.938798][ T253] do_one_initcall (init/main.c:1357) [ 10.938801][ T253] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.938805][ T253] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.938808][ T253] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.938812][ T253] do_init_module (kernel/module/main.c:3117) [ 10.938816][ T253] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.938820][ T253] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.938823][ T253] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.938827][ T253] load_module (kernel/module/main.c:3593) [ 10.938834][ T253] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.938839][ T253] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.938842][ T253] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.938846][ T253] init_module_from_file (kernel/module/main.c:3790) [ 10.938849][ T253] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.938856][ T253] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.938860][ T253] ? 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) [ 10.938863][ T253] idempotent_init_module (kernel/module/main.c:3802) [ 10.938870][ T253] ? init_module_from_file (kernel/module/main.c:3791) [ 10.938876][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.938879][ T253] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.938884][ T253] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.938887][ T253] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.938890][ T253] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.938892][ T253] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.938894][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.938897][ T253] RIP: 0033:0x7fba08ca937d [ 10.938900][ T253] 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 [ 10.938901][ T253] RSP: 002b:00007ffd7d1dd088 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.938904][ T253] RAX: ffffffffffffffda RBX: 0000556c622f9a40 RCX: 00007fba08ca937d [ 10.938905][ T253] RDX: 0000000000000000 RSI: 0000556c4b303ffd RDI: 0000000000000001 [ 10.938907][ T253] RBP: 00007ffd7d1dd120 R08: 0000000000000000 R09: 0000000000000000 [ 10.938907][ T253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c4b303ffd [ 10.938908][ T253] R13: 0000556c622f9a00 R14: 0000000000040000 R15: 0000000000000000 | [ 12.554075][ T314] softirqs last disabled at (31523): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.554077][ T314] Preemption disabled at: | [ 12.554078][ T314] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.554087][ T314] Tainted: [W]=WARN [ 12.554088][ T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.554089][ T314] Call Trace: [ 12.554091][ T314] [ 12.554093][ T314] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.554099][ T314] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.554101][ T314] __might_resched.cold (kernel/sched/core.c:9234) [ 12.554105][ T314] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.554109][ T314] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.554114][ T314] __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)) [ 12.554117][ T314] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.554122][ T314] ? 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) [ 12.554125][ T314] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.554128][ T314] put_chars (drivers/char/virtio_console.c:1176) [ 12.554130][ T314] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.554132][ T314] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.554135][ T314] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.554138][ T314] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.554142][ T314] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.554145][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.554146][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.554151][ T314] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.554152][ T314] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.554155][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.554158][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.554161][ T314] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.554165][ T314] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.554167][ T314] ? 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)) [ 12.554170][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.554172][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.554176][ T314] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.554180][ T314] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.554181][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.554186][ T314] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.554189][ T314] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.554190][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.554193][ T314] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.554196][ T314] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.554198][ T314] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.554201][ T314] vprintk_emit (kernel/printk/printk.c:2479) [ 12.554205][ T314] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.554210][ T314] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.554212][ T314] _printk (kernel/printk/printk.c:2504) [ 12.554216][ T314] ? snapshot_read.cold (user.c:?) [ 12.554222][ T314] ? 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) [ 12.554225][ T314] gact_init_module (net/sched/act_gact.c:180) act_gact [ 12.554227][ T314] do_one_initcall (init/main.c:1357) [ 12.554230][ T314] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.554234][ T314] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.554237][ T314] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.554242][ T314] do_init_module (kernel/module/main.c:3117) [ 12.554246][ T314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.554250][ T314] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.554253][ T314] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.554256][ T314] load_module (kernel/module/main.c:3593) [ 12.554263][ T314] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.554267][ T314] ? __ia32_sys_fsconfig (??:?) [ 12.554270][ T314] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.554273][ T314] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.554276][ T314] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.554280][ T314] init_module_from_file (kernel/module/main.c:3790) [ 12.554283][ T314] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.554291][ T314] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.554294][ T314] ? 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) [ 12.554297][ T314] idempotent_init_module (kernel/module/main.c:3802) [ 12.554300][ T314] ? init_module_from_file (kernel/module/main.c:3791) [ 12.554306][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.554308][ T314] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.554314][ T314] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.554316][ T314] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.554319][ T314] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.554321][ T314] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.554324][ T314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.554326][ T314] RIP: 0033:0x7f137174f37d [ 12.554329][ T314] 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 [ 12.554331][ T314] RSP: 002b:00007ffdacdf5978 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.554333][ T314] RAX: ffffffffffffffda RBX: 0000563183be3810 RCX: 00007f137174f37d [ 12.554335][ T314] RDX: 0000000000000000 RSI: 000056318264fffd RDI: 0000000000000000 [ 12.554336][ T314] RBP: 00007ffdacdf5a10 R08: 0000000000000000 R09: 0000000000000000 [ 12.554336][ T314] R10: 0000000000000000 R11: 0000000000000246 R12: 000056318264fffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars