====================================== | [ 8.997148][ T180] softirqs last disabled at (51755): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.997150][ T180] Preemption disabled at: | [ 8.997151][ T180] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.997160][ T180] Tainted: [W]=WARN [ 8.997161][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.997162][ T180] Call Trace: [ 8.997164][ T180] [ 8.997165][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.997171][ T180] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.997173][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 8.997177][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.997181][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.997186][ T180] __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)) [ 8.997188][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.997194][ T180] ? 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) [ 8.997197][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.997200][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 8.997203][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.997205][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.997210][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.997212][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.997216][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.997219][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.997224][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.997227][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.997232][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.997235][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.997237][ T180] ? 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)) [ 8.997240][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.997243][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.997247][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.997251][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.997252][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.997257][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.997260][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.997262][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.997264][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.997268][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.997269][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.997273][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 8.997277][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.997282][ T180] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 8.997287][ T180] _printk (kernel/printk/printk.c:2504) [ 8.997290][ T180] ? snapshot_read.cold (user.c:?) [ 8.997297][ T180] ? 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) [ 8.997300][ T180] ppp_init (ppp_generic.mod.c:?) ppp_generic [ 8.997303][ T180] do_one_initcall (init/main.c:1357) [ 8.997306][ T180] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 8.997310][ T180] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 8.997314][ T180] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 8.997318][ T180] do_init_module (kernel/module/main.c:3117) [ 8.997322][ T180] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.997326][ T180] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 8.997329][ T180] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 8.997333][ T180] load_module (kernel/module/main.c:3593) [ 8.997340][ T180] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 8.997345][ T180] ? backing_file_read_iter (fs/backing-file.c:211) [ 8.997348][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.997352][ T180] init_module_from_file (kernel/module/main.c:3790) [ 8.997355][ T180] ? __do_sys_init_module (kernel/module/main.c:3664) [ 8.997363][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.997367][ T180] ? 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) [ 8.997370][ T180] idempotent_init_module (kernel/module/main.c:3802) [ 8.997373][ T180] ? init_module_from_file (kernel/module/main.c:3791) [ 8.997379][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.997382][ T180] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.997388][ T180] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 8.997390][ T180] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.997393][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.997396][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.997398][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.997401][ T180] RIP: 0033:0x7fe35125937d [ 8.997404][ T180] 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 [ 8.997405][ T180] RSP: 002b:00007ffe7bc81c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8.997408][ T180] RAX: ffffffffffffffda RBX: 0000559b3fcdc1d0 RCX: 00007fe35125937d [ 8.997409][ T180] RDX: 0000000000000000 RSI: 0000559b30d99ffd RDI: 0000000000000006 [ 8.997410][ T180] RBP: 00007ffe7bc81ca0 R08: 0000000000000000 R09: 0000000000000000 [ 8.997411][ T180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559b30d99ffd [ 8.997412][ T180] R13: 0000559b3fcdc180 R14: 0000000000040000 R15: 0000000000000000 | [ 14.294422][ T255] softirqs last disabled at (1693110): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 14.294425][ T255] Preemption disabled at: | [ 14.294425][ T255] 0x0 | [ 14.294436][ T255] Tainted: [W]=WARN [ 14.294437][ T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.294439][ T255] Call Trace: [ 14.294440][ T255] [ 14.294442][ T255] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.294447][ T255] __might_resched.cold (kernel/sched/core.c:9234) [ 14.294452][ T255] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.294456][ T255] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.294461][ T255] __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)) [ 14.294463][ T255] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.294469][ T255] ? 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) [ 14.294472][ T255] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.294475][ T255] put_chars (drivers/char/virtio_console.c:1176) [ 14.294478][ T255] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.294480][ T255] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.294486][ T255] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.294491][ T255] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.294493][ T255] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.294496][ T255] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.294500][ T255] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.294502][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.294503][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.294507][ T255] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.294509][ T255] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.294512][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.294515][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.294518][ T255] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.294522][ T255] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.294524][ T255] ? 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)) [ 14.294527][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.294529][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.294533][ T255] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.294537][ T255] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.294539][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.294544][ T255] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.294547][ T255] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.294548][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.294551][ T255] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.294554][ T255] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.294556][ T255] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.294559][ T255] vprintk_emit (kernel/printk/printk.c:2479) [ 14.294563][ T255] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.294566][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.294569][ T255] _printk (kernel/printk/printk.c:2504) [ 14.294573][ T255] ? snapshot_read.cold (user.c:?) [ 14.294575][ T255] ? 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) [ 14.294578][ T255] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.294581][ T255] ? 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) [ 14.294584][ T255] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.294588][ T255] ? exit_notify (kernel/exit.c:780) [ 14.294591][ T255] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 14.294594][ T255] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 14.294596][ T255] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 14.294598][ T255] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.294602][ T255] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.294605][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.294608][ T255] RIP: 0033:0x7f5e59485c49 [ 14.294610][ T255] Code: Unable to access opcode bytes at 0x7f5e59485c1f. Code starting with the faulting instruction =========================================== [ 14.294611][ T255] RSP: 002b:00007f5e58c44e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 14.294613][ T255] RAX: ffffffffffffffda RBX: 00007f5e58c456c0 RCX: 00007f5e59485c49 [ 14.294614][ T255] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 14.294615][ T255] RBP: 00007f5e58c44f70 R08: 0000000000000001 R09: 00007f5e58c456c0 [ 14.294616][ T255] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f5e58445000 [ 14.294617][ T255] R13: 00007fffcc6b92b0 R14: 0000000000000002 R15: 00007fffcc6b93b7 | [ 14.417004][ T259] | [ 14.417005][ T259] | [ 14.417005][ T259] stack backtrace: | [ 14.417011][ T259] Tainted: [W]=WARN [ 14.417012][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.417013][ T259] Call Trace: [ 14.417014][ T259] [ 14.417015][ T259] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.417019][ T259] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 14.417022][ T259] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 14.417023][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.417027][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.417030][ T259] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 14.417032][ T259] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 14.417034][ T259] check_prev_add (kernel/locking/lockdep.c:3185) [ 14.417036][ T259] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 14.417038][ T259] __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.417040][ T259] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.417041][ T259] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.417043][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417045][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.417047][ T259] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.417049][ T259] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.417051][ T259] console_emit_next_record (kernel/printk/printk.c:3177) [ 14.417053][ T259] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.417054][ T259] ? 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)) [ 14.417056][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417058][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.417060][ T259] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.417062][ T259] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.417064][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.417065][ T259] ? insn_get_immediate.part.0 (arch/x86/lib/insn.c:569 (discriminator 7) arch/x86/lib/insn.c:678 (discriminator 7)) [ 14.417068][ T259] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.417069][ T259] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.417071][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417073][ T259] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.417075][ T259] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.417076][ T259] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.417078][ T259] vprintk_emit (kernel/printk/printk.c:2479) [ 14.417080][ T259] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.417082][ T259] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 14.417084][ T259] _printk (kernel/printk/printk.c:2504) [ 14.417086][ T259] ? snapshot_read.cold (user.c:?) [ 14.417088][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.417089][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.417090][ T259] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.417092][ T259] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.417093][ T259] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 14.417098][ T259] ? netdev_crit (net/core/dev.c:13191) [ 14.417099][ T259] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.417101][ T259] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 14.417104][ T259] ? idr_get_free (??:?) [ 14.417106][ T259] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 14.417109][ T259] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.417111][ T259] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.417113][ T259] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.417115][ T259] ? dev_nit_active_rcu (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/core/dev.c:2564 (discriminator 1)) [ 14.417118][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417120][ T259] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.417122][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417124][ T259] __dev_queue_xmit (net/core/dev.c:4926) [ 14.417126][ T259] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.417128][ T259] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.417129][ T259] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.417130][ T259] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.417132][ T259] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 14.417135][ T259] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 14.417136][ T259] ? dst_alloc (net/core/dst.c:94) [ 14.417138][ T259] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.417139][ T259] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 14.417141][ T259] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 14.417142][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.417144][ T259] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.417145][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.417147][ T259] ? ip_finish_output2 (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_output.c:229 (discriminator 2)) [ 14.417149][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417151][ T259] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.417153][ T259] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.417154][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.417156][ T259] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.417158][ T259] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.417160][ T259] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.417162][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.417163][ T259] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.417165][ T259] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 14.417167][ T259] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 14.417169][ T259] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 14.417173][ T259] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 14.417177][ T259] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 14.417180][ T259] ? 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) [ 14.417182][ T259] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 14.417184][ T259] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 14.417185][ T259] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 14.417188][ T259] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 14.417190][ T259] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.417192][ T259] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.417193][ T259] ? down_read_nested (kernel/locking/rwsem.c:1295 (discriminator 23) kernel/locking/rwsem.c:1304 (discriminator 23) kernel/locking/rwsem.c:1710 (discriminator 23)) [ 14.417195][ T259] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.417197][ T259] ? dev_nit_active_rcu (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/core/dev.c:2564 (discriminator 1)) [ 14.417199][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417201][ T259] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.417203][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417205][ T259] __dev_queue_xmit (net/core/dev.c:4926) [ 14.417207][ T259] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 14.417209][ T259] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 14.417211][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.417213][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.417214][ T259] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.417216][ T259] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.417217][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.417219][ T259] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.417220][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.417222][ T259] ? ip_finish_output2 (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_output.c:229 (discriminator 2)) [ 14.417224][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417226][ T259] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.417228][ T259] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.417229][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.417231][ T259] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.417232][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.417235][ T259] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.417237][ T259] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.417238][ T259] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 14.417241][ T259] ip_push_pending_frames (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4) net/ipv4/ip_output.c:1530 (discriminator 4)) [ 14.417243][ T259] raw_sendmsg (net/ipv4/raw.c:665) [ 14.417245][ T259] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 14.417246][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.417250][ T259] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.417254][ T259] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.417255][ T259] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.417257][ T259] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 14.417259][ T259] ? __ia32_sys_getpeername (net/socket.c:2235) [ 14.417263][ T259] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 14.417265][ T259] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.417266][ T259] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.417269][ T259] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.417270][ T259] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 14.417272][ T259] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.417273][ T259] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.417274][ T259] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.417276][ T259] RIP: 0033:0x7fef3b56054e [ 14.417279][ T259] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.417280][ T259] RSP: 002b:00007ffea6e367f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.417283][ T259] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007fef3b56054e [ 14.417284][ T259] RDX: 0000000000000040 RSI: 0000563ac39dc0a4 RDI: 0000000000000005 [ 14.417285][ T259] RBP: 00007ffea6e36800 R08: 0000563ac39ee320 R09: 0000000000000010 [ 14.417286][ T259] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 14.417287][ T259] R13: 0000000000000000 R14: 0000563ac39ef3e0 R15: 0000563ac39dc0a0 | [ 15.423297][ T259] softirqs last disabled at (27480): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 15.423301][ T259] Preemption disabled at: | [ 15.423302][ T259] 0x0 | [ 15.423311][ T259] Tainted: [W]=WARN [ 15.423312][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.423313][ T259] Call Trace: [ 15.423315][ T259] [ 15.423316][ T259] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.423321][ T259] __might_resched.cold (kernel/sched/core.c:9234) [ 15.423324][ T259] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.423327][ T259] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 15.423331][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423334][ T259] __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)) [ 15.423337][ T259] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.423339][ T259] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.423343][ T259] ? 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) [ 15.423345][ T259] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.423346][ T259] put_chars (drivers/char/virtio_console.c:1176) [ 15.423349][ T259] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.423350][ T259] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 15.423353][ T259] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.423356][ T259] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.423358][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423359][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.423362][ T259] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.423364][ T259] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.423366][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423368][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423369][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423371][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.423372][ T259] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 15.423374][ T259] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.423376][ T259] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.423379][ T259] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.423380][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.423382][ T259] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.423383][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423385][ T259] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.423387][ T259] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.423388][ T259] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 15.423390][ T259] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.423392][ T259] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.423394][ T259] vprintk_emit (kernel/printk/printk.c:2479) [ 15.423396][ T259] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.423398][ T259] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 15.423399][ T259] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 15.423403][ T259] _printk (kernel/printk/printk.c:2504) [ 15.423406][ T259] ? snapshot_read.cold (user.c:?) [ 15.423407][ T259] ? 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) [ 15.423409][ T259] ? 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) [ 15.423411][ T259] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.423412][ T259] ? 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) [ 15.423414][ T259] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.423417][ T259] ? exit_notify (kernel/exit.c:780) [ 15.423418][ T259] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 15.423420][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423422][ T259] do_group_exit (kernel/exit.c:1151) [ 15.423424][ T259] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.423425][ T259] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.423428][ T259] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.423430][ T259] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.423432][ T259] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.423434][ T259] RIP: 0033:0x7fef3b5b11b8 [ 15.423436][ T259] Code: Unable to access opcode bytes at 0x7fef3b5b118e. Code starting with the faulting instruction =========================================== [ 15.423437][ T259] RSP: 002b:00007ffea6e37f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.423440][ T259] RAX: ffffffffffffffda RBX: 00007fef3b6e1f88 RCX: 00007fef3b5b11b8 [ 15.423441][ T259] RDX: 00007fef3b3427c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 15.423442][ T259] RBP: 00007ffea6e37fe0 R08: 0000000000000000 R09: 0000000000001010 [ 15.423443][ T259] R10: 00007ffea6e37e00 R11: 0000000000000246 R12: 0000000000000002 Finger prints: fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire __dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars