====================================== | [ 12.129130][ T276] softirqs last disabled at (20253): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.129133][ T276] Preemption disabled at: | [ 12.129133][ T276] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.129143][ T276] Tainted: [W]=WARN [ 12.129144][ T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.129146][ T276] Call Trace: [ 12.129147][ T276] [ 12.129149][ T276] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.129155][ T276] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.129157][ T276] __might_resched.cold (kernel/sched/core.c:9234) [ 12.129162][ T276] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.129166][ T276] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.129171][ T276] __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)) [ 12.129173][ T276] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.129180][ T276] ? 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) [ 12.129182][ T276] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.129186][ T276] put_chars (drivers/char/virtio_console.c:1176) [ 12.129189][ T276] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.129190][ T276] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.129195][ T276] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.129197][ T276] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.129202][ T276] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.129205][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.129210][ T276] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.129213][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.129218][ T276] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.129222][ T276] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.129224][ T276] ? 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)) [ 12.129227][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.129229][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.129233][ T276] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.129238][ T276] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.129240][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.129245][ T276] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.129248][ T276] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.129250][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.129252][ T276] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.129256][ T276] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.129258][ T276] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.129261][ T276] vprintk_emit (kernel/printk/printk.c:2479) [ 12.129265][ T276] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.129271][ T276] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.129276][ T276] _printk (kernel/printk/printk.c:2504) [ 12.129279][ T276] ? snapshot_read.cold (user.c:?) [ 12.129286][ T276] ? 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) [ 12.129289][ T276] 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 [ 12.129292][ T276] do_one_initcall (init/main.c:1357) [ 12.129295][ T276] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.129299][ T276] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.129303][ T276] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.129307][ T276] do_init_module (kernel/module/main.c:3117) [ 12.129311][ T276] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.129315][ T276] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.129319][ T276] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.129323][ T276] load_module (kernel/module/main.c:3593) [ 12.129330][ T276] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.129334][ T276] ? __ia32_sys_fsconfig (??:?) [ 12.129337][ T276] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.129341][ T276] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.129344][ T276] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.129348][ T276] init_module_from_file (kernel/module/main.c:3790) [ 12.129351][ T276] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.129359][ T276] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.129363][ T276] ? 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) [ 12.129366][ T276] idempotent_init_module (kernel/module/main.c:3802) [ 12.129370][ T276] ? init_module_from_file (kernel/module/main.c:3791) [ 12.129376][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.129379][ T276] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.129384][ T276] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.129387][ T276] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.129390][ T276] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.129392][ T276] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.129395][ T276] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.129398][ T276] RIP: 0033:0x7f72b123637d [ 12.129401][ T276] 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 [ 12.129403][ T276] RSP: 002b:00007ffe810a6ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.129406][ T276] RAX: ffffffffffffffda RBX: 000055d0650ca810 RCX: 00007f72b123637d [ 12.129407][ T276] RDX: 0000000000000000 RSI: 000055d046761ffd RDI: 0000000000000000 [ 12.129408][ T276] RBP: 00007ffe810a6f90 R08: 0000000000000000 R09: 0000000000000000 [ 12.129409][ T276] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d046761ffd [ 12.129410][ T276] R13: 000055d0650ca960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.354922][ T366] softirqs last disabled at (14199): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.354924][ T366] Preemption disabled at: | [ 19.354924][ T366] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.354933][ T366] Tainted: [W]=WARN [ 19.354934][ T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.354935][ T366] Call Trace: [ 19.354937][ T366] [ 19.354938][ T366] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.354944][ T366] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.354946][ T366] __might_resched.cold (kernel/sched/core.c:9234) [ 19.354951][ T366] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.354955][ 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) [ 19.354960][ 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)) [ 19.354962][ T366] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.354968][ 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) [ 19.354971][ T366] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.354974][ T366] put_chars (drivers/char/virtio_console.c:1176) [ 19.354976][ T366] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.354979][ T366] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.354981][ T366] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.354985][ T366] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.354989][ T366] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.354992][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.354993][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.354998][ T366] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.354999][ T366] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.355003][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.355006][ T366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.355010][ T366] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.355013][ T366] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.355015][ 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)) [ 19.355018][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.355021][ T366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.355025][ T366] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.355029][ T366] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.355030][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.355036][ T366] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.355038][ T366] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.355040][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.355042][ T366] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.355046][ T366] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.355048][ T366] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.355051][ T366] vprintk_emit (kernel/printk/printk.c:2479) [ 19.355055][ T366] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.355061][ T366] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 19.355064][ T366] _printk (kernel/printk/printk.c:2504) [ 19.355067][ T366] ? snapshot_read.cold (user.c:?) [ 19.355073][ 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) [ 19.355076][ T366] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.355079][ T366] do_one_initcall (init/main.c:1357) [ 19.355082][ T366] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.355086][ T366] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.355089][ T366] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.355094][ T366] do_init_module (kernel/module/main.c:3117) [ 19.355097][ T366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.355101][ T366] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.355104][ T366] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.355108][ T366] load_module (kernel/module/main.c:3593) [ 19.355115][ T366] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.355119][ T366] ? __ia32_sys_fsconfig (??:?) [ 19.355122][ T366] ? ovl_real_file (fs/overlayfs/file.c:195) [ 19.355126][ T366] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.355129][ T366] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.355133][ T366] init_module_from_file (kernel/module/main.c:3790) [ 19.355136][ T366] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.355143][ T366] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.355147][ 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) [ 19.355150][ T366] idempotent_init_module (kernel/module/main.c:3802) [ 19.355153][ T366] ? init_module_from_file (kernel/module/main.c:3791) [ 19.355159][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.355162][ T366] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.355168][ T366] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.355170][ T366] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.355173][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.355175][ T366] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.355178][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.355180][ T366] RIP: 0033:0x7fb5c201e37d [ 19.355183][ 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 [ 19.355185][ T366] RSP: 002b:00007fff5a1f7958 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.355187][ T366] RAX: ffffffffffffffda RBX: 000055a21fa19810 RCX: 00007fb5c201e37d [ 19.355188][ T366] RDX: 0000000000000000 RSI: 000055a205428ffd RDI: 0000000000000000 [ 19.355189][ T366] RBP: 00007fff5a1f79f0 R08: 0000000000000000 R09: 0000000000000000 [ 19.355190][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a205428ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars