====================================== | [ 9.436501][ T202] softirqs last disabled at (18322): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.436503][ T202] Preemption disabled at: | [ 9.436504][ T202] 0x0 | [ 9.436514][ T202] Tainted: [W]=WARN [ 9.436515][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.436517][ T202] Call Trace: [ 9.436519][ T202] [ 9.436520][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.436527][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 9.436531][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.436535][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.436539][ T202] __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)) [ 9.436541][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.436547][ T202] ? 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) [ 9.436550][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.436554][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 9.436556][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.436557][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.436561][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.436566][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.436574][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.436576][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.436578][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.436582][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.436586][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.436588][ T202] ? 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)) [ 9.436591][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.436592][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.436596][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.436600][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.436602][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.436607][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.436610][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.436612][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.436613][ T202] ? 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) [ 9.436617][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.436619][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.436621][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 9.436625][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.436627][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.436631][ T202] _printk (kernel/printk/printk.c:2504) [ 9.436635][ T202] ? snapshot_read.cold (user.c:?) [ 9.436637][ T202] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.436640][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.436644][ T202] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.436646][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.436650][ T202] ? exit_notify (kernel/exit.c:780) [ 9.436651][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.436654][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.436657][ T202] do_group_exit (kernel/exit.c:1151) [ 9.436660][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.436662][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.436665][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.436668][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.436671][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.436673][ T202] RIP: 0033:0x7fcdcc9e61b8 [ 9.436676][ T202] Code: Unable to access opcode bytes at 0x7fcdcc9e618e. Code starting with the faulting instruction =========================================== [ 9.436677][ T202] RSP: 002b:00007ffc99784508 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.436679][ T202] RAX: ffffffffffffffda RBX: 00007fcdccb16f88 RCX: 00007fcdcc9e61b8 [ 9.436680][ T202] RDX: 00007fcdcc730fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.436681][ T202] RBP: 00007ffc99784560 R08: 0000000000000000 R09: 0000000000000050 [ 9.436682][ T202] R10: 00007ffc99784320 R11: 0000000000000246 R12: 0000000000000001 [ 9.436683][ T202] R13: 0000000000000000 R14: 00007fcdccb15680 R15: 00007fcdccb16fa0 | [ 15.179404][ T385] softirqs last disabled at (25141): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.179407][ T385] Preemption disabled at: | [ 15.179407][ T385] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.179415][ T385] Tainted: [W]=WARN [ 15.179416][ T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.179418][ T385] Call Trace: [ 15.179419][ T385] [ 15.179421][ T385] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.179427][ T385] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.179428][ T385] __might_resched.cold (kernel/sched/core.c:9234) [ 15.179433][ T385] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.179437][ T385] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.179441][ T385] __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)) [ 15.179443][ T385] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.179449][ T385] ? 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) [ 15.179452][ T385] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.179456][ T385] put_chars (drivers/char/virtio_console.c:1176) [ 15.179457][ T385] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 15.179460][ T385] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.179462][ T385] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.179466][ T385] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.179470][ T385] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.179474][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.179476][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.179480][ T385] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.179482][ T385] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.179485][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.179487][ T385] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.179491][ T385] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.179496][ T385] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.179498][ T385] ? 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)) [ 15.179501][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.179503][ T385] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.179507][ T385] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.179511][ T385] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.179513][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.179518][ T385] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.179520][ T385] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.179522][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.179524][ T385] ? 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) [ 15.179527][ T385] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.179529][ T385] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.179532][ T385] vprintk_emit (kernel/printk/printk.c:2479) [ 15.179535][ T385] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.179540][ T385] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 15.179543][ T385] _printk (kernel/printk/printk.c:2504) [ 15.179546][ T385] ? snapshot_read.cold (user.c:?) [ 15.179552][ T385] ? 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) [ 15.179555][ T385] gact_init_module (net/sched/act_gact.c:180) act_gact [ 15.179557][ T385] do_one_initcall (init/main.c:1357) [ 15.179560][ T385] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 15.179564][ T385] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 15.179567][ T385] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 15.179572][ T385] do_init_module (kernel/module/main.c:3117) [ 15.179575][ T385] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.179579][ T385] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 15.179582][ T385] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 15.179585][ T385] load_module (kernel/module/main.c:3593) [ 15.179590][ T385] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 15.179595][ T385] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 15.179598][ T385] ? __ia32_sys_fsconfig (??:?) [ 15.179602][ T385] ? backing_file_read_iter (fs/backing-file.c:211) [ 15.179606][ T385] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.179609][ T385] init_module_from_file (kernel/module/main.c:3790) [ 15.179611][ T385] ? __do_sys_init_module (kernel/module/main.c:3664) [ 15.179619][ T385] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.179622][ T385] ? 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) [ 15.179625][ T385] idempotent_init_module (kernel/module/main.c:3802) [ 15.179628][ T385] ? init_module_from_file (kernel/module/main.c:3791) [ 15.179633][ T385] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.179636][ T385] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 15.179640][ T385] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 15.179642][ T385] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.179646][ T385] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.179648][ T385] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.179651][ T385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.179653][ T385] RIP: 0033:0x7f95f3c0c37d [ 15.179656][ T385] 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 [ 15.179658][ T385] RSP: 002b:00007ffce7eded88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.179660][ T385] RAX: ffffffffffffffda RBX: 000055b6894ba810 RCX: 00007f95f3c0c37d [ 15.179662][ T385] RDX: 0000000000000000 RSI: 000055b67b56bffd RDI: 0000000000000000 [ 15.179663][ T385] RBP: 00007ffce7edee20 R08: 0000000000000000 R09: 0000000000000000 [ 15.179663][ T385] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b67b56bffd Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars