====================================== | [ 10.362183][ T237] softirqs last disabled at (16357): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.362185][ T237] Preemption disabled at: | [ 10.362186][ T237] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.362194][ T237] Tainted: [W]=WARN [ 10.362195][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.362197][ T237] Call Trace: [ 10.362199][ T237] [ 10.362200][ T237] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.362206][ T237] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.362208][ T237] __might_resched.cold (kernel/sched/core.c:9234) [ 10.362212][ T237] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.362216][ T237] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.362221][ T237] __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)) [ 10.362223][ T237] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.362230][ T237] ? 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) [ 10.362233][ T237] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.362236][ T237] put_chars (drivers/char/virtio_console.c:1176) [ 10.362239][ T237] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.362240][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.362244][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.362247][ T237] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.362251][ T237] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.362256][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.362261][ T237] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.362264][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.362268][ T237] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.362272][ T237] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.362274][ T237] ? 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)) [ 10.362278][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.362280][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.362284][ T237] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.362288][ T237] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.362290][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.362295][ T237] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.362298][ T237] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.362300][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.362301][ T237] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.362305][ T237] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.362307][ T237] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.362310][ T237] vprintk_emit (kernel/printk/printk.c:2479) [ 10.362313][ T237] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.362315][ T237] ? netdev_run_todo (net/core/dev.c:11776) [ 10.362319][ T237] ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred [ 10.362324][ T237] ? mirred_cleanup_module (net/sched/act_mirred.c:562) act_mirred [ 10.362326][ T237] _printk (kernel/printk/printk.c:2504) [ 10.362330][ T237] ? snapshot_read.cold (user.c:?) [ 10.362332][ T237] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.362335][ T237] ? mirred_cleanup_module (net/sched/act_mirred.c:562) act_mirred [ 10.362337][ T237] ? __up_write (kernel/locking/rwsem.c:1415) [ 10.362338][ T237] ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1)) [ 10.362342][ T237] ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417) [ 10.362344][ T237] mirred_init_module (net/sched/act_mirred.c:508) act_mirred [ 10.362347][ T237] do_one_initcall (init/main.c:1357) [ 10.362351][ T237] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.362361][ T237] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.362364][ T237] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.362370][ T237] do_init_module (kernel/module/main.c:3117) [ 10.362373][ T237] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.362377][ T237] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.362379][ T237] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.362383][ T237] load_module (kernel/module/main.c:3593) [ 10.362388][ T237] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.362393][ T237] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.362396][ T237] ? __ia32_sys_fsconfig (??:?) [ 10.362400][ T237] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.362404][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.362407][ T237] init_module_from_file (kernel/module/main.c:3790) [ 10.362410][ T237] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.362418][ T237] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.362421][ T237] ? 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) [ 10.362424][ T237] idempotent_init_module (kernel/module/main.c:3802) [ 10.362427][ T237] ? init_module_from_file (kernel/module/main.c:3791) [ 10.362433][ T237] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.362435][ T237] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 10.362440][ T237] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.362442][ T237] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.362446][ T237] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.362449][ T237] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.362452][ T237] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.362454][ T237] RIP: 0033:0x7f705036237d [ 10.362457][ T237] 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 [ 10.362459][ T237] RSP: 002b:00007ffc6ba22e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.362462][ T237] RAX: ffffffffffffffda RBX: 000055688f9b3810 RCX: 00007f705036237d [ 10.362463][ T237] RDX: 0000000000000000 RSI: 0000556884ac9ffd RDI: 0000000000000000 [ 10.362465][ T237] RBP: 00007ffc6ba22ec0 R08: 0000000000000000 R09: 0000000000000000 [ 10.362465][ T237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556884ac9ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars