====================================== | [ 9.322689][ T206] softirqs last disabled at (32210): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.322691][ T206] Preemption disabled at: | [ 9.322692][ T206] 0x0 | [ 9.322702][ T206] Tainted: [W]=WARN [ 9.322703][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.322704][ T206] Call Trace: [ 9.322706][ T206] [ 9.322707][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.322714][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 9.322719][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.322723][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.322727][ T206] __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)) [ 9.322729][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.322735][ T206] ? 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) [ 9.322738][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.322741][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 9.322744][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.322745][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.322748][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.322754][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.322761][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.322764][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322766][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.322770][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.322774][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.322776][ T206] ? 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)) [ 9.322779][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322780][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.322784][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.322788][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.322790][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.322795][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.322798][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.322800][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322802][ T206] ? 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) [ 9.322805][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.322807][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.322809][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 9.322812][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.322815][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.322819][ T206] _printk (kernel/printk/printk.c:2504) [ 9.322822][ T206] ? snapshot_read.cold (user.c:?) [ 9.322825][ T206] ? 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) [ 9.322828][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.322831][ T206] ? 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) [ 9.322834][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.322838][ T206] ? exit_notify (kernel/exit.c:780) [ 9.322839][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.322842][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322845][ T206] do_group_exit (kernel/exit.c:1151) [ 9.322848][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.322850][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.322852][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.322856][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.322859][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.322861][ T206] RIP: 0033:0x7f42d51a41b8 [ 9.322863][ T206] Code: Unable to access opcode bytes at 0x7f42d51a418e. Code starting with the faulting instruction =========================================== [ 9.322864][ T206] RSP: 002b:00007ffe3c4335c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.322867][ T206] RAX: ffffffffffffffda RBX: 00007f42d52d4f88 RCX: 00007f42d51a41b8 [ 9.322868][ T206] RDX: 00007f42d4eeefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.322869][ T206] RBP: 00007ffe3c433620 R08: 0000000000000000 R09: 0000000000000050 [ 9.322870][ T206] R10: 00007ffe3c4333e0 R11: 0000000000000246 R12: 0000000000000001 [ 9.322870][ T206] R13: 0000000000000000 R14: 00007f42d52d3680 R15: 00007f42d52d4fa0 | [ 11.113017][ T265] softirqs last disabled at (29793): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.113019][ T265] Preemption disabled at: | [ 11.113020][ T265] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.113028][ T265] Tainted: [W]=WARN [ 11.113028][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.113030][ T265] Call Trace: [ 11.113031][ T265] [ 11.113033][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.113039][ T265] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.113040][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 11.113045][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.113049][ T265] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.113053][ T265] __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)) [ 11.113055][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.113061][ T265] ? 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) [ 11.113064][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.113068][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 11.113069][ T265] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 11.113072][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.113074][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.113078][ T265] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.113082][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.113086][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.113088][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.113092][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.113094][ T265] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.113097][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.113099][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.113103][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.113107][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.113109][ T265] ? 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)) [ 11.113112][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.113114][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.113117][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.113121][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.113123][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.113128][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.113131][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.113133][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.113135][ T265] ? 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) [ 11.113138][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.113140][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.113143][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 11.113146][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.113151][ T265] ? mpls_exit (net/mpls/af_mpls.c:81 (discriminator 9)) mpls_router [ 11.113153][ T265] _printk (kernel/printk/printk.c:2504) [ 11.113157][ T265] ? snapshot_read.cold (user.c:?) [ 11.113163][ T265] ? 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) [ 11.113166][ T265] mpls_gso_init (./include/linux/skbuff.h:3058 net/mpls/mpls_gso.c:30) mpls_gso [ 11.113168][ T265] do_one_initcall (init/main.c:1357) [ 11.113171][ T265] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.113176][ T265] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.113178][ T265] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.113183][ T265] do_init_module (kernel/module/main.c:3117) [ 11.113186][ T265] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.113190][ T265] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.113193][ T265] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.113196][ T265] load_module (kernel/module/main.c:3593) [ 11.113201][ T265] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 11.113206][ T265] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.113209][ T265] ? __ia32_sys_fsconfig (??:?) [ 11.113213][ T265] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.113217][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.113220][ T265] init_module_from_file (kernel/module/main.c:3790) [ 11.113223][ T265] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.113230][ T265] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.113233][ T265] ? 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) [ 11.113236][ T265] idempotent_init_module (kernel/module/main.c:3802) [ 11.113239][ T265] ? init_module_from_file (kernel/module/main.c:3791) [ 11.113244][ T265] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.113246][ T265] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 11.113251][ T265] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.113253][ T265] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.113257][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.113259][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.113262][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.113264][ T265] RIP: 0033:0x7f5d4933437d [ 11.113267][ T265] 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 [ 11.113269][ T265] RSP: 002b:00007ffe175bfca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.113271][ T265] RAX: ffffffffffffffda RBX: 000055757467ebc0 RCX: 00007f5d4933437d [ 11.113273][ T265] RDX: 0000000000000000 RSI: 0000557565782ffd RDI: 0000000000000002 [ 11.113273][ T265] RBP: 00007ffe175bfd40 R08: 0000000000000000 R09: 0000000000000000 [ 11.113274][ T265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557565782ffd 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