====================================== | [ 101.774212][ T440] softirqs last disabled at (35138): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 101.774215][ T440] Preemption disabled at: | [ 101.774216][ T440] 0x0 | [ 101.774230][ T440] Tainted: [W]=WARN [ 101.774231][ T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.774234][ T440] Call Trace: [ 101.774236][ T440] [ 101.774238][ T440] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 101.774246][ T440] __might_resched.cold (kernel/sched/core.c:9234) [ 101.774253][ T440] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.774259][ T440] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 101.774265][ T440] __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)) [ 101.774269][ T440] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.774279][ T440] ? 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) [ 101.774282][ T440] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.774288][ T440] put_chars (drivers/char/virtio_console.c:1176) [ 101.774292][ T440] ? __send_to_port (drivers/char/virtio_console.c:654) [ 101.774294][ T440] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 101.774299][ T440] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 101.774309][ T440] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 101.774321][ T440] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 101.774326][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.774329][ T440] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.774336][ T440] console_emit_next_record (kernel/printk/printk.c:3183) [ 101.774343][ T440] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 101.774345][ T440] ? 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)) [ 101.774351][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.774354][ T440] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.774361][ T440] console_flush_one_record (kernel/printk/printk.c:3268) [ 101.774368][ T440] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 101.774370][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 101.774380][ T440] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 101.774384][ T440] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 101.774387][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.774390][ T440] ? 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) [ 101.774396][ T440] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 101.774399][ T440] ? vprintk_emit (kernel/printk/printk.c:2478) [ 101.774404][ T440] vprintk_emit (kernel/printk/printk.c:2479) [ 101.774409][ T440] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 101.774415][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 101.774421][ T440] _printk (kernel/printk/printk.c:2504) [ 101.774427][ T440] ? snapshot_read.cold (user.c:?) [ 101.774431][ T440] ? 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) [ 101.774435][ T440] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.774442][ T440] ? 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) [ 101.774447][ T440] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 101.774452][ T440] ? exit_notify (kernel/exit.c:780) [ 101.774454][ T440] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 101.774459][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.774465][ T440] do_group_exit (kernel/exit.c:1151) [ 101.774470][ T440] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 101.774473][ T440] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 101.774477][ T440] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 101.774481][ T440] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 101.774486][ T440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 101.774490][ T440] RIP: 0033:0x7fcaab5c11b8 [ 101.774493][ T440] Code: Unable to access opcode bytes at 0x7fcaab5c118e. Code starting with the faulting instruction =========================================== [ 101.774494][ T440] RSP: 002b:00007fffaf89acb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 101.774498][ T440] RAX: ffffffffffffffda RBX: 00007fcaab6f1f88 RCX: 00007fcaab5c11b8 [ 101.774500][ T440] RDX: 00007fcaab30bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 101.774501][ T440] RBP: 00007fffaf89ad10 R08: 0000000000000000 R09: 0000000000008010 [ 101.774503][ T440] R10: 00007fffaf89aad0 R11: 0000000000000246 R12: 0000000000000001 [ 101.774504][ T440] R13: 0000000000000000 R14: 00007fcaab6f0680 R15: 00007fcaab6f1fa0 | [ 143.956642][ T1415] softirqs last disabled at (75359): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 143.956646][ T1415] Preemption disabled at: | [ 143.956646][ T1415] vprintk_emit (kernel/printk/printk.c:2471) | [ 143.956657][ T1415] Tainted: [W]=WARN [ 143.956659][ T1415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 143.956661][ T1415] Call Trace: [ 143.956663][ T1415] [ 143.956665][ T1415] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 143.956672][ T1415] ? vprintk_emit (kernel/printk/printk.c:2471) [ 143.956675][ T1415] __might_resched.cold (kernel/sched/core.c:9234) [ 143.956681][ T1415] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 143.956687][ T1415] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 143.956693][ T1415] __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)) [ 143.956697][ T1415] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 143.956707][ T1415] ? 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) [ 143.956710][ T1415] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 143.956716][ T1415] put_chars (drivers/char/virtio_console.c:1176) [ 143.956718][ T1415] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 143.956722][ T1415] ? __send_to_port (drivers/char/virtio_console.c:654) [ 143.956727][ T1415] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 143.956731][ T1415] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 143.956739][ T1415] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 143.956744][ T1415] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 143.956747][ T1415] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 143.956755][ T1415] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 143.956758][ T1415] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 143.956763][ T1415] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.956767][ T1415] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.956774][ T1415] console_emit_next_record (kernel/printk/printk.c:3183) [ 143.956780][ T1415] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 143.956783][ T1415] ? 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)) [ 143.956788][ T1415] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.956791][ T1415] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.956798][ T1415] console_flush_one_record (kernel/printk/printk.c:3268) [ 143.956806][ T1415] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 143.956808][ T1415] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 143.956818][ T1415] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 143.956822][ T1415] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 143.956825][ T1415] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.956828][ T1415] ? 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) [ 143.956834][ T1415] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 143.956837][ T1415] ? vprintk_emit (kernel/printk/printk.c:2478) [ 143.956842][ T1415] vprintk_emit (kernel/printk/printk.c:2479) [ 143.956848][ T1415] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 143.956857][ T1415] ? mpls_gso_exit (./include/linux/skbuff.h:3165 net/mpls/mpls_gso.c:33) mpls_gso [ 143.956860][ T1415] _printk (kernel/printk/printk.c:2504) [ 143.956866][ T1415] ? snapshot_read.cold (user.c:?) [ 143.956877][ T1415] ? 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) [ 143.956882][ T1415] mpls_gso_init (./include/linux/skbuff.h:3058 net/mpls/mpls_gso.c:30) mpls_gso [ 143.956885][ T1415] do_one_initcall (init/main.c:1357) [ 143.956889][ T1415] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 143.956897][ T1415] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 143.956900][ T1415] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 143.956909][ T1415] do_init_module (kernel/module/main.c:3117) [ 143.956914][ T1415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 143.956919][ T1415] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 143.956924][ T1415] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 143.956930][ T1415] load_module (kernel/module/main.c:3593) [ 143.956940][ T1415] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 143.956946][ T1415] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 143.956952][ T1415] ? __ia32_sys_fsconfig (??:?) [ 143.956958][ T1415] ? backing_file_read_iter (fs/backing-file.c:211) [ 143.956963][ T1415] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 143.956969][ T1415] init_module_from_file (kernel/module/main.c:3790) [ 143.956973][ T1415] ? __do_sys_init_module (kernel/module/main.c:3664) [ 143.956987][ T1415] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 143.956993][ T1415] ? 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) [ 143.956998][ T1415] idempotent_init_module (kernel/module/main.c:3802) [ 143.957003][ T1415] ? init_module_from_file (kernel/module/main.c:3791) [ 143.957013][ T1415] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 143.957017][ T1415] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 143.957025][ T1415] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 143.957028][ T1415] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 143.957034][ T1415] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 143.957038][ T1415] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 143.957042][ T1415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 143.957045][ T1415] RIP: 0033:0x7f4cb73a537d [ 143.957050][ T1415] 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 [ 143.957052][ T1415] RSP: 002b:00007ffe86dffe98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 143.957056][ T1415] RAX: ffffffffffffffda RBX: 00005641043ccbc0 RCX: 00007f4cb73a537d [ 143.957058][ T1415] RDX: 0000000000000000 RSI: 00005640c8942ffd RDI: 0000000000000002 [ 143.957059][ T1415] RBP: 00007ffe86dfff30 R08: 0000000000000000 R09: 0000000000000000 [ 143.957061][ T1415] R10: 0000000000000000 R11: 0000000000000246 R12: 00005640c8942ffd 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