====================================== | [ 9.823831][ T213] softirqs last disabled at (0): 0x0 | [ 9.823833][ T213] Preemption disabled at: | [ 9.823834][ T213] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.823844][ T213] Tainted: [W]=WARN [ 9.823845][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.823847][ T213] Call Trace: [ 9.823849][ T213] [ 9.823850][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.823855][ T213] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.823857][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 9.823860][ T213] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 9.823862][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.823865][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823869][ T213] __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)) [ 9.823872][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.823875][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.823878][ T213] ? 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) [ 9.823880][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.823882][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 9.823884][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.823886][ T213] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 9.823888][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.823891][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.823892][ T213] ? vsnprintf (lib/vsprintf.c:2900) [ 9.823896][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.823897][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823899][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823901][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.823903][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.823905][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823907][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823908][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823910][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.823912][ T213] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.823914][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.823916][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.823919][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.823920][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.823922][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.823923][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823925][ T213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.823926][ T213] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.823927][ T213] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 9.823929][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.823931][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.823933][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 9.823936][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.823939][ T213] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 9.823942][ T213] _printk (kernel/printk/printk.c:2504) [ 9.823945][ T213] ? snapshot_read.cold (user.c:?) [ 9.823948][ T213] ? 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) [ 9.823950][ T213] 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 [ 9.823952][ T213] do_one_initcall (init/main.c:1357) [ 9.823954][ T213] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.823956][ T213] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.823959][ T213] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.823962][ T213] do_init_module (kernel/module/main.c:3117) [ 9.823964][ T213] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.823966][ T213] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.823969][ T213] load_module (kernel/module/main.c:3593) [ 9.823972][ T213] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.823974][ T213] ? __ia32_sys_fsconfig (??:?) [ 9.823977][ T213] ? ovl_real_file (fs/overlayfs/file.c:195) [ 9.823980][ T213] ? backing_file_read_iter (fs/backing-file.c:211) [ 9.823984][ T213] init_module_from_file (kernel/module/main.c:3790) [ 9.823986][ T213] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.823987][ T213] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 9.823991][ T213] ? ovl_mmap (fs/overlayfs/file.c:477) [ 9.823993][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.823995][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.823997][ T213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.823998][ T213] ? 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) [ 9.824000][ T213] idempotent_init_module (kernel/module/main.c:3802) [ 9.824002][ T213] ? init_module_from_file (kernel/module/main.c:3791) [ 9.824005][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.824007][ T213] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.824010][ T213] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.824012][ T213] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.824015][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.824017][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.824019][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.824021][ T213] RIP: 0033:0x7f35fea9b37d [ 9.824023][ T213] 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 [ 9.824024][ T213] RSP: 002b:00007ffe3fadff58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.824028][ T213] RAX: ffffffffffffffda RBX: 000055b2b631c810 RCX: 00007f35fea9b37d [ 9.824030][ T213] RDX: 0000000000000000 RSI: 000055b29e708ffd RDI: 0000000000000000 [ 9.824030][ T213] RBP: 00007ffe3fadfff0 R08: 0000000000000000 R09: 0000000000000000 [ 9.824031][ T213] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b29e708ffd Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print