====================================== | [ 12.354714][ T275] softirqs last disabled at (19875): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.354716][ T275] Preemption disabled at: | [ 12.354717][ T275] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.354726][ T275] Tainted: [W]=WARN [ 12.354727][ T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.354728][ T275] Call Trace: [ 12.354730][ T275] [ 12.354731][ T275] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.354737][ T275] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.354739][ T275] __might_resched.cold (kernel/sched/core.c:9234) [ 12.354743][ T275] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.354747][ T275] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.354752][ T275] __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)) [ 12.354754][ T275] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.354760][ T275] ? 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) [ 12.354763][ T275] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.354766][ T275] put_chars (drivers/char/virtio_console.c:1176) [ 12.354768][ T275] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.354770][ T275] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.354774][ T275] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.354777][ T275] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.354781][ T275] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.354784][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.354788][ T275] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.354791][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.354796][ T275] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.354799][ T275] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.354801][ T275] ? 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)) [ 12.354804][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.354807][ T275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.354810][ T275] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.354814][ T275] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.354816][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.354821][ T275] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.354824][ T275] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.354825][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.354828][ T275] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.354831][ T275] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.354833][ T275] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.354836][ T275] vprintk_emit (kernel/printk/printk.c:2479) [ 12.354840][ T275] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.354845][ T275] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.354849][ T275] _printk (kernel/printk/printk.c:2504) [ 12.354853][ T275] ? snapshot_read.cold (user.c:?) [ 12.354859][ T275] ? 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) [ 12.354862][ T275] 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 [ 12.354865][ T275] do_one_initcall (init/main.c:1357) [ 12.354868][ T275] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.354872][ T275] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.354875][ T275] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.354879][ T275] do_init_module (kernel/module/main.c:3117) [ 12.354883][ T275] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.354887][ T275] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.354896][ T275] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.354900][ T275] load_module (kernel/module/main.c:3593) [ 12.354907][ T275] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.354911][ T275] ? __ia32_sys_fsconfig (??:?) [ 12.354913][ T275] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.354918][ T275] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.354921][ T275] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.354924][ T275] init_module_from_file (kernel/module/main.c:3790) [ 12.354928][ T275] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.354935][ T275] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.354939][ T275] ? 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) [ 12.354942][ T275] idempotent_init_module (kernel/module/main.c:3802) [ 12.354945][ T275] ? init_module_from_file (kernel/module/main.c:3791) [ 12.354951][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.354954][ T275] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.354959][ T275] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.354962][ T275] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.354965][ T275] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.354967][ T275] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.354969][ T275] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.354972][ T275] RIP: 0033:0x7fba4560737d [ 12.354975][ T275] 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 [ 12.354976][ T275] RSP: 002b:00007ffc6fc95f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.354979][ T275] RAX: ffffffffffffffda RBX: 00005634f027a810 RCX: 00007fba4560737d [ 12.354981][ T275] RDX: 0000000000000000 RSI: 00005634e4895ffd RDI: 0000000000000000 [ 12.354982][ T275] RBP: 00007ffc6fc95fe0 R08: 0000000000000000 R09: 0000000000000000 [ 12.354982][ T275] R10: 0000000000000000 R11: 0000000000000246 R12: 00005634e4895ffd [ 12.354983][ T275] R13: 00005634f027a960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.301678][ T366] softirqs last disabled at (17259): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.301681][ T366] Preemption disabled at: | [ 19.301682][ T366] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.301696][ T366] Tainted: [W]=WARN [ 19.301697][ T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.301699][ T366] Call Trace: [ 19.301701][ T366] [ 19.301704][ T366] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.301711][ T366] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.301714][ T366] __might_resched.cold (kernel/sched/core.c:9234) [ 19.301720][ T366] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.301726][ T366] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.301733][ T366] __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)) [ 19.301737][ T366] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.301745][ T366] ? 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) [ 19.301749][ T366] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.301754][ T366] put_chars (drivers/char/virtio_console.c:1176) [ 19.301757][ T366] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.301760][ T366] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.301765][ T366] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.301770][ T366] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.301777][ T366] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.301780][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.301783][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.301791][ T366] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.301793][ T366] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.301798][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.301802][ T366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.301809][ T366] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.301815][ T366] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.301817][ T366] ? 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)) [ 19.301822][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.301826][ T366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.301832][ T366] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.301839][ T366] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.301842][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.301850][ T366] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.301854][ T366] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.301857][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.301860][ T366] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.301866][ T366] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.301869][ T366] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.301874][ T366] vprintk_emit (kernel/printk/printk.c:2479) [ 19.301881][ T366] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.301890][ T366] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 19.301895][ T366] _printk (kernel/printk/printk.c:2504) [ 19.301900][ T366] ? snapshot_read.cold (user.c:?) [ 19.301910][ T366] ? 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) [ 19.301915][ T366] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.301924][ T366] do_one_initcall (init/main.c:1357) [ 19.301928][ T366] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.301936][ T366] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.301940][ T366] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.301948][ T366] do_init_module (kernel/module/main.c:3117) [ 19.301954][ T366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.301959][ T366] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.301964][ T366] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.301971][ T366] load_module (kernel/module/main.c:3593) [ 19.301983][ T366] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.301989][ T366] ? __ia32_sys_fsconfig (??:?) [ 19.301993][ T366] ? ovl_real_file (fs/overlayfs/file.c:195) [ 19.301998][ T366] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.302000][ T366] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.302005][ T366] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.302011][ T366] init_module_from_file (kernel/module/main.c:3790) [ 19.302016][ T366] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.302030][ T366] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.302036][ T366] ? 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) [ 19.302041][ T366] idempotent_init_module (kernel/module/main.c:3802) [ 19.302046][ T366] ? init_module_from_file (kernel/module/main.c:3791) [ 19.302056][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.302060][ T366] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.302069][ T366] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.302072][ T366] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.302077][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.302080][ T366] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.302084][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.302088][ T366] RIP: 0033:0x7fe4067ec37d [ 19.302092][ T366] 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 [ 19.302094][ T366] RSP: 002b:00007ffc6223ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.302098][ T366] RAX: ffffffffffffffda RBX: 0000559aba1bc810 RCX: 00007fe4067ec37d [ 19.302100][ T366] RDX: 0000000000000000 RSI: 0000559a7d225ffd RDI: 0000000000000000 [ 19.302102][ T366] RBP: 00007ffc6223ecd0 R08: 0000000000000000 R09: 0000000000000000 [ 19.302103][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a7d225ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars