====================================== | [ 12.743076][ T293] softirqs last disabled at (19937): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.743078][ T293] Preemption disabled at: | [ 12.743079][ T293] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.743088][ T293] Tainted: [W]=WARN [ 12.743089][ T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.743091][ T293] Call Trace: [ 12.743092][ T293] [ 12.743094][ T293] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.743100][ T293] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.743102][ T293] __might_resched.cold (kernel/sched/core.c:9234) [ 12.743106][ T293] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.743110][ T293] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.743115][ T293] __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)) [ 12.743117][ T293] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.743122][ T293] ? 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) [ 12.743125][ T293] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.743128][ T293] put_chars (drivers/char/virtio_console.c:1176) [ 12.743131][ T293] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.743132][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.743137][ T293] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.743139][ T293] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.743144][ T293] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.743146][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.743151][ T293] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.743153][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.743158][ T293] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.743162][ T293] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.743164][ T293] ? 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)) [ 12.743167][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.743169][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.743173][ T293] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.743177][ T293] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.743179][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.743183][ T293] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.743186][ T293] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.743188][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.743190][ T293] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.743194][ T293] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.743195][ T293] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.743198][ T293] vprintk_emit (kernel/printk/printk.c:2479) [ 12.743202][ T293] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.743208][ T293] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.743212][ T293] _printk (kernel/printk/printk.c:2504) [ 12.743215][ T293] ? snapshot_read.cold (user.c:?) [ 12.743221][ T293] ? 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) [ 12.743224][ T293] 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 [ 12.743227][ T293] do_one_initcall (init/main.c:1357) [ 12.743230][ T293] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.743234][ T293] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.743237][ T293] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.743242][ T293] do_init_module (kernel/module/main.c:3117) [ 12.743245][ T293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.743249][ T293] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.743253][ T293] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.743256][ T293] load_module (kernel/module/main.c:3593) [ 12.743264][ T293] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.743267][ T293] ? __ia32_sys_fsconfig (??:?) [ 12.743270][ T293] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.743274][ T293] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.743277][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.743281][ T293] init_module_from_file (kernel/module/main.c:3790) [ 12.743284][ T293] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.743291][ T293] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.743295][ T293] ? 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) [ 12.743298][ T293] idempotent_init_module (kernel/module/main.c:3802) [ 12.743301][ T293] ? init_module_from_file (kernel/module/main.c:3791) [ 12.743307][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.743309][ T293] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.743315][ T293] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.743317][ T293] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.743322][ T293] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.743324][ T293] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.743326][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.743329][ T293] RIP: 0033:0x7fd9a6a7f37d [ 12.743332][ T293] 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 [ 12.743334][ T293] RSP: 002b:00007ffd5ceb1878 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.743336][ T293] RAX: ffffffffffffffda RBX: 0000559255f94810 RCX: 00007fd9a6a7f37d [ 12.743338][ T293] RDX: 0000000000000000 RSI: 000055922d845ffd RDI: 0000000000000000 [ 12.743339][ T293] RBP: 00007ffd5ceb1910 R08: 0000000000000000 R09: 0000000000000000 [ 12.743339][ T293] R10: 0000000000000000 R11: 0000000000000246 R12: 000055922d845ffd [ 12.743340][ T293] R13: 0000559255f94960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.899253][ T392] softirqs last disabled at (15913): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.899255][ T392] Preemption disabled at: | [ 19.899256][ T392] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.899265][ T392] Tainted: [W]=WARN [ 19.899266][ T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.899268][ T392] Call Trace: [ 19.899269][ T392] [ 19.899271][ T392] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.899277][ T392] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.899279][ T392] __might_resched.cold (kernel/sched/core.c:9234) [ 19.899284][ T392] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.899288][ T392] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.899293][ T392] __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)) [ 19.899295][ T392] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.899301][ T392] ? 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) [ 19.899304][ T392] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.899308][ T392] put_chars (drivers/char/virtio_console.c:1176) [ 19.899310][ T392] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.899312][ T392] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.899315][ T392] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.899319][ T392] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.899325][ T392] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.899328][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.899329][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.899334][ T392] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.899335][ T392] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.899339][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.899341][ T392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.899345][ T392] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.899349][ T392] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.899351][ T392] ? 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)) [ 19.899354][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.899356][ T392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.899360][ T392] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.899364][ T392] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.899366][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.899371][ T392] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.899374][ T392] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.899376][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.899378][ T392] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.899382][ T392] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.899383][ T392] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.899387][ T392] vprintk_emit (kernel/printk/printk.c:2479) [ 19.899391][ T392] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.899397][ T392] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 19.899399][ T392] _printk (kernel/printk/printk.c:2504) [ 19.899403][ T392] ? snapshot_read.cold (user.c:?) [ 19.899410][ T392] ? 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) [ 19.899413][ T392] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.899416][ T392] do_one_initcall (init/main.c:1357) [ 19.899418][ T392] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.899423][ T392] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.899426][ T392] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.899430][ T392] do_init_module (kernel/module/main.c:3117) [ 19.899434][ T392] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.899438][ T392] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.899442][ T392] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.899446][ T392] load_module (kernel/module/main.c:3593) [ 19.899453][ T392] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.899457][ T392] ? __ia32_sys_fsconfig (??:?) [ 19.899460][ T392] ? ovl_real_file (fs/overlayfs/file.c:195) [ 19.899464][ T392] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.899467][ T392] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.899471][ T392] init_module_from_file (kernel/module/main.c:3790) [ 19.899474][ T392] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.899487][ T392] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.899490][ T392] ? 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) [ 19.899494][ T392] idempotent_init_module (kernel/module/main.c:3802) [ 19.899497][ T392] ? init_module_from_file (kernel/module/main.c:3791) [ 19.899503][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.899506][ T392] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.899512][ T392] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.899514][ T392] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.899518][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.899519][ T392] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.899522][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.899525][ T392] RIP: 0033:0x7fd4d992237d [ 19.899528][ T392] 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 [ 19.899530][ T392] RSP: 002b:00007fff28ae59c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.899533][ T392] RAX: ffffffffffffffda RBX: 0000556d4e2ec810 RCX: 00007fd4d992237d [ 19.899534][ T392] RDX: 0000000000000000 RSI: 0000556d40b15ffd RDI: 0000000000000000 [ 19.899535][ T392] RBP: 00007fff28ae5a60 R08: 0000000000000000 R09: 0000000000000000 [ 19.899536][ T392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556d40b15ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars