====================================== | [ 11.122060][ T244] softirqs last disabled at (25467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.122063][ T244] Preemption disabled at: | [ 11.122063][ T244] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.122073][ T244] Tainted: [W]=WARN [ 11.122074][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.122076][ T244] Call Trace: [ 11.122077][ T244] [ 11.122079][ T244] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.122085][ T244] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.122087][ T244] __might_resched.cold (kernel/sched/core.c:9234) [ 11.122092][ T244] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.122096][ T244] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.122101][ T244] __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)) [ 11.122104][ T244] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.122109][ T244] ? 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) [ 11.122112][ T244] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.122115][ T244] put_chars (drivers/char/virtio_console.c:1176) [ 11.122118][ T244] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.122119][ T244] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.122124][ T244] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.122127][ T244] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.122131][ T244] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.122134][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.122139][ T244] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.122141][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122147][ T244] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.122150][ T244] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.122152][ T244] ? 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)) [ 11.122155][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122158][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.122161][ T244] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.122166][ T244] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.122167][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.122172][ T244] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.122175][ T244] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.122177][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122179][ T244] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.122183][ T244] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.122185][ T244] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.122188][ T244] vprintk_emit (kernel/printk/printk.c:2479) [ 11.122192][ T244] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.122197][ T244] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.122201][ T244] _printk (kernel/printk/printk.c:2504) [ 11.122205][ T244] ? snapshot_read.cold (user.c:?) [ 11.122211][ T244] ? 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) [ 11.122214][ T244] 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 [ 11.122218][ T244] do_one_initcall (init/main.c:1357) [ 11.122220][ T244] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.122225][ T244] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.122228][ T244] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.122233][ T244] do_init_module (kernel/module/main.c:3117) [ 11.122237][ T244] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.122240][ T244] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.122244][ T244] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.122248][ T244] load_module (kernel/module/main.c:3593) [ 11.122255][ T244] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.122259][ T244] ? __ia32_sys_fsconfig (??:?) [ 11.122262][ T244] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.122265][ T244] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.122269][ T244] init_module_from_file (kernel/module/main.c:3790) [ 11.122272][ T244] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.122280][ T244] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.122283][ T244] ? 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) [ 11.122286][ T244] idempotent_init_module (kernel/module/main.c:3802) [ 11.122290][ T244] ? init_module_from_file (kernel/module/main.c:3791) [ 11.122296][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122298][ T244] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.122304][ T244] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.122307][ T244] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.122310][ T244] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.122312][ T244] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.122315][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.122317][ T244] RIP: 0033:0x7f14df3c937d [ 11.122320][ T244] 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 [ 11.122322][ T244] RSP: 002b:00007fffa0e13fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.122325][ T244] RAX: ffffffffffffffda RBX: 0000562750dd3810 RCX: 00007f14df3c937d [ 11.122326][ T244] RDX: 0000000000000000 RSI: 000056273bed3ffd RDI: 0000000000000000 [ 11.122327][ T244] RBP: 00007fffa0e14060 R08: 0000000000000000 R09: 0000000000000000 [ 11.122328][ T244] R10: 0000000000000000 R11: 0000000000000246 R12: 000056273bed3ffd [ 11.122329][ T244] R13: 0000562750dd3960 R14: 0000000000040000 R15: 0000000000000000 | [ 13.130926][ T315] softirqs last disabled at (19055): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.130929][ T315] Preemption disabled at: | [ 13.130929][ T315] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.130938][ T315] Tainted: [W]=WARN [ 13.130939][ T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.130941][ T315] Call Trace: [ 13.130943][ T315] [ 13.130944][ T315] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.130949][ T315] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.130952][ T315] __might_resched.cold (kernel/sched/core.c:9234) [ 13.130956][ T315] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.130960][ T315] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.130965][ T315] __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)) [ 13.130967][ T315] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.130973][ T315] ? 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) [ 13.130976][ T315] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.130979][ T315] put_chars (drivers/char/virtio_console.c:1176) [ 13.130981][ T315] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.130983][ T315] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.130986][ T315] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.130989][ T315] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.130993][ T315] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.130996][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.130997][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.131002][ T315] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.131003][ T315] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.131006][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.131009][ T315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.131012][ T315] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.131016][ T315] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.131018][ T315] ? 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)) [ 13.131021][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.131023][ T315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.131027][ T315] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.131031][ T315] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.131032][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.131037][ T315] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.131040][ T315] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.131042][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.131044][ T315] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.131047][ T315] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.131049][ T315] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.131052][ T315] vprintk_emit (kernel/printk/printk.c:2479) [ 13.131056][ T315] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.131061][ T315] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.131064][ T315] _printk (kernel/printk/printk.c:2504) [ 13.131068][ T315] ? snapshot_read.cold (user.c:?) [ 13.131074][ T315] ? 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) [ 13.131077][ T315] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.131079][ T315] do_one_initcall (init/main.c:1357) [ 13.131082][ T315] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.131086][ T315] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.131089][ T315] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.131094][ T315] do_init_module (kernel/module/main.c:3117) [ 13.131098][ T315] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.131102][ T315] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.131105][ T315] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.131109][ T315] load_module (kernel/module/main.c:3593) [ 13.131116][ T315] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.131119][ T315] ? __ia32_sys_fsconfig (??:?) [ 13.131122][ T315] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.131125][ T315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.131127][ T315] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.131130][ T315] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.131134][ T315] init_module_from_file (kernel/module/main.c:3790) [ 13.131137][ T315] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.131145][ T315] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.131148][ T315] ? 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) [ 13.131151][ T315] idempotent_init_module (kernel/module/main.c:3802) [ 13.131154][ T315] ? init_module_from_file (kernel/module/main.c:3791) [ 13.131160][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.131163][ T315] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.131168][ T315] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.131171][ T315] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.131174][ T315] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.131176][ T315] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.131179][ T315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.131181][ T315] RIP: 0033:0x7f24f61bb37d [ 13.131184][ T315] 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 [ 13.131186][ T315] RSP: 002b:00007ffdca4b3418 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.131188][ T315] RAX: ffffffffffffffda RBX: 0000557cab67c810 RCX: 00007f24f61bb37d [ 13.131190][ T315] RDX: 0000000000000000 RSI: 0000557c6bfc6ffd RDI: 0000000000000000 [ 13.131191][ T315] RBP: 00007ffdca4b34b0 R08: 0000000000000000 R09: 0000000000000000 [ 13.131191][ T315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557c6bfc6ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars