====================================== | [ 10.515259][ T180] softirqs last disabled at (57229): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.515261][ T180] Preemption disabled at: | [ 10.515262][ T180] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.515270][ T180] Tainted: [W]=WARN [ 10.515271][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.515273][ T180] Call Trace: [ 10.515275][ T180] [ 10.515276][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.515284][ T180] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.515286][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 10.515291][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.515295][ 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) [ 10.515300][ 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)) [ 10.515302][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.515308][ 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) [ 10.515311][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.515314][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 10.515317][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.515319][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.515324][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.515326][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.515331][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.515334][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.515339][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.515342][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515347][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.515350][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.515352][ 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)) [ 10.515356][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515358][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.515362][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.515366][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.515368][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.515373][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.515376][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.515378][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515380][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.515383][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.515385][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.515389][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 10.515393][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.515398][ T180] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 10.515402][ T180] _printk (kernel/printk/printk.c:2504) [ 10.515406][ T180] ? snapshot_read.cold (user.c:?) [ 10.515412][ 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) [ 10.515415][ T180] ppp_init (ppp_generic.mod.c:?) ppp_generic [ 10.515419][ T180] do_one_initcall (init/main.c:1357) [ 10.515421][ T180] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.515426][ T180] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.515429][ T180] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.515434][ T180] do_init_module (kernel/module/main.c:3117) [ 10.515437][ T180] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.515440][ T180] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.515443][ T180] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.515447][ T180] load_module (kernel/module/main.c:3593) [ 10.515454][ T180] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.515459][ T180] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.515463][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.515467][ T180] init_module_from_file (kernel/module/main.c:3790) [ 10.515470][ T180] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.515478][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.515481][ 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) [ 10.515484][ T180] idempotent_init_module (kernel/module/main.c:3802) [ 10.515488][ T180] ? init_module_from_file (kernel/module/main.c:3791) [ 10.515494][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515497][ T180] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.515503][ T180] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.515505][ T180] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.515509][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.515512][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.515514][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.515516][ T180] RIP: 0033:0x7f9cf751337d [ 10.515520][ 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 [ 10.515521][ T180] RSP: 002b:00007ffd3cc53c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.515524][ T180] RAX: ffffffffffffffda RBX: 000055c2df44d1d0 RCX: 00007f9cf751337d [ 10.515525][ T180] RDX: 0000000000000000 RSI: 000055c2bd159ffd RDI: 0000000000000006 [ 10.515526][ T180] RBP: 00007ffd3cc53cb0 R08: 0000000000000000 R09: 0000000000000000 [ 10.515527][ T180] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c2bd159ffd [ 10.515528][ T180] R13: 000055c2df44d180 R14: 0000000000040000 R15: 0000000000000000 | [ 15.791924][ T246] softirqs last disabled at (1476792): 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)) | [ 15.791928][ T246] Preemption disabled at: | [ 15.791929][ T246] 0x0 | [ 15.791942][ T246] Tainted: [W]=WARN [ 15.791943][ T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.791945][ T246] Call Trace: [ 15.791948][ T246] [ 15.791950][ T246] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.791958][ T246] __might_resched.cold (kernel/sched/core.c:9234) [ 15.791964][ T246] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.791969][ T246] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.791977][ T246] __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)) [ 15.791980][ T246] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.791989][ T246] ? 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) [ 15.791993][ T246] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.791998][ T246] put_chars (drivers/char/virtio_console.c:1176) [ 15.792001][ T246] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.792005][ T246] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.792010][ T246] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.792016][ T246] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.792019][ T246] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.792025][ T246] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.792030][ T246] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.792033][ T246] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792036][ T246] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792042][ T246] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.792046][ T246] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.792051][ T246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792055][ T246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.792062][ T246] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.792068][ T246] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.792070][ T246] ? 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)) [ 15.792076][ T246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792079][ T246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.792086][ T246] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.792093][ T246] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.792095][ T246] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792104][ T246] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.792109][ T246] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.792112][ T246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792115][ T246] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.792122][ T246] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.792124][ T246] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.792130][ T246] vprintk_emit (kernel/printk/printk.c:2479) [ 15.792136][ T246] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.792141][ T246] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792148][ T246] _printk (kernel/printk/printk.c:2504) [ 15.792153][ T246] ? snapshot_read.cold (user.c:?) [ 15.792157][ T246] ? 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) [ 15.792161][ T246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.792168][ T246] ? 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) [ 15.792172][ T246] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.792177][ T246] ? exit_notify (kernel/exit.c:780) [ 15.792187][ T246] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 15.792190][ T246] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 15.792194][ T246] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.792199][ T246] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.792203][ T246] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.792207][ T246] RIP: 0033:0x7fde510c5c49 [ 15.792210][ T246] Code: Unable to access opcode bytes at 0x7fde510c5c1f. Code starting with the faulting instruction =========================================== [ 15.792211][ T246] RSP: 002b:00007fde50884e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 15.792215][ T246] RAX: ffffffffffffffda RBX: 00007fde508856c0 RCX: 00007fde510c5c49 [ 15.792217][ T246] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 15.792218][ T246] RBP: 00007fde50884f70 R08: 0000000000000001 R09: 00007fde508856c0 [ 15.792220][ T246] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fde50085000 [ 15.792221][ T246] R13: 00007ffef79d58e0 R14: 0000000000000002 R15: 00007ffef79d59e7 | [ 15.977524][ T250] | [ 15.977524][ T250] | [ 15.977524][ T250] stack backtrace: | [ 15.977530][ T250] Tainted: [W]=WARN [ 15.977531][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.977533][ T250] Call Trace: [ 15.977534][ T250] [ 15.977536][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.977540][ T250] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 15.977542][ T250] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 15.977544][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.977548][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.977551][ T250] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 15.977553][ T250] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.977554][ T250] check_prev_add (kernel/locking/lockdep.c:3185) [ 15.977556][ T250] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 15.977558][ T250] __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.977561][ T250] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.977562][ T250] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.977564][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977566][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.977568][ T250] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.977570][ T250] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.977572][ T250] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.977574][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.977576][ T250] ? 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)) [ 15.977578][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977579][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.977581][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.977583][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.977585][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.977587][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.977589][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.977591][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977593][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.977594][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.977596][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.977598][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 15.977600][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.977602][ T250] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 15.977604][ T250] _printk (kernel/printk/printk.c:2504) [ 15.977606][ T250] ? snapshot_read.cold (user.c:?) [ 15.977608][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.977609][ T250] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.977610][ T250] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.977612][ T250] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.977614][ T250] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 15.977615][ T250] ? netdev_crit (net/core/dev.c:13191) [ 15.977616][ T250] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.977618][ T250] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.977621][ T250] ? idr_get_free (??:?) [ 15.977623][ T250] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 15.977626][ T250] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.977628][ T250] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.977630][ T250] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.977632][ T250] ? 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)) [ 15.977635][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977637][ T250] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 15.977639][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977641][ T250] __dev_queue_xmit (net/core/dev.c:4926) [ 15.977643][ T250] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 15.977645][ T250] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.977646][ T250] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.977647][ T250] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.977649][ T250] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 15.977653][ T250] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 15.977654][ T250] ? dst_alloc (net/core/dst.c:94) [ 15.977655][ T250] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.977657][ T250] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 15.977659][ T250] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 15.977660][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.977661][ T250] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.977663][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.977665][ T250] ? 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)) [ 15.977666][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977669][ T250] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.977671][ T250] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.977672][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.977674][ T250] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.977676][ T250] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.977678][ T250] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.977680][ T250] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.977681][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.977683][ T250] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 15.977685][ T250] __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)) [ 15.977688][ T250] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 15.977691][ T250] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 15.977694][ T250] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 15.977697][ T250] ? 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) [ 15.977699][ T250] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 15.977700][ T250] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 15.977702][ T250] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 15.977704][ T250] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 15.977707][ T250] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.977709][ T250] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.977710][ T250] ? down_read_nested (kernel/locking/rwsem.c:1295 (discriminator 23) kernel/locking/rwsem.c:1304 (discriminator 23) kernel/locking/rwsem.c:1710 (discriminator 23)) [ 15.977712][ T250] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.977714][ T250] ? 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)) [ 15.977716][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977717][ T250] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 15.977720][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977722][ T250] __dev_queue_xmit (net/core/dev.c:4926) [ 15.977724][ T250] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 15.977726][ T250] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 15.977728][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.977730][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.977731][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.977733][ T250] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.977735][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.977736][ T250] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.977738][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.977739][ T250] ? 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)) [ 15.977741][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977743][ T250] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.977745][ T250] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.977747][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.977748][ T250] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.977750][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.977752][ T250] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.977754][ T250] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.977756][ T250] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 15.977759][ T250] 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)) [ 15.977761][ T250] raw_sendmsg (net/ipv4/raw.c:665) [ 15.977763][ T250] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 15.977764][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.977768][ T250] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.977772][ T250] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.977773][ T250] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.977775][ T250] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 15.977777][ T250] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.977781][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 15.977783][ T250] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.977785][ T250] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.977787][ T250] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.977788][ T250] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.977790][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.977792][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.977793][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.977795][ T250] RIP: 0033:0x7ff53e99054e [ 15.977797][ T250] 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 [ 15.977799][ T250] RSP: 002b:00007ffcf6d8ac30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.977802][ T250] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007ff53e99054e [ 15.977803][ T250] RDX: 0000000000000040 RSI: 00005627630910a4 RDI: 0000000000000005 [ 15.977804][ T250] RBP: 00007ffcf6d8ac40 R08: 00005627630a3320 R09: 0000000000000010 [ 15.977805][ T250] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 15.977806][ T250] R13: 0000000000000000 R14: 00005627630a43e0 R15: 00005627630910a0 | [ 16.988009][ T250] softirqs last disabled at (27902): __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)) | [ 16.988013][ T250] Preemption disabled at: | [ 16.988014][ T250] 0x0 | [ 16.988023][ T250] Tainted: [W]=WARN [ 16.988024][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.988026][ T250] Call Trace: [ 16.988027][ T250] [ 16.988029][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.988034][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 16.988038][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.988041][ T250] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.988043][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.988047][ T250] __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)) [ 16.988050][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.988053][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.988056][ T250] ? 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) [ 16.988058][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.988060][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 16.988062][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.988064][ T250] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 16.988067][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.988070][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.988072][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.988074][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.988076][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.988079][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.988081][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.988082][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.988084][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.988085][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.988087][ T250] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 16.988089][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.988091][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.988094][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.988096][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.988097][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.988099][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.988100][ T250] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.988102][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.988103][ T250] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 16.988105][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.988107][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.988109][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 16.988111][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.988113][ T250] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 16.988115][ T250] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 16.988118][ T250] _printk (kernel/printk/printk.c:2504) [ 16.988121][ T250] ? snapshot_read.cold (user.c:?) [ 16.988123][ T250] ? 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) [ 16.988124][ T250] ? 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) [ 16.988126][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.988128][ T250] ? 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) [ 16.988130][ T250] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.988133][ T250] ? exit_notify (kernel/exit.c:780) [ 16.988134][ T250] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 16.988136][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.988138][ T250] do_group_exit (kernel/exit.c:1151) [ 16.988140][ T250] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.988141][ T250] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.988144][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.988147][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.988149][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.988151][ T250] RIP: 0033:0x7ff53e9e11b8 [ 16.988153][ T250] Code: Unable to access opcode bytes at 0x7ff53e9e118e. Code starting with the faulting instruction =========================================== [ 16.988154][ T250] RSP: 002b:00007ffcf6d8c3c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.988158][ T250] RAX: ffffffffffffffda RBX: 00007ff53eb11f88 RCX: 00007ff53e9e11b8 [ 16.988159][ T250] RDX: 00007ff53e7727c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 16.988160][ T250] RBP: 00007ffcf6d8c420 R08: 0000000000000000 R09: 0000000000001010 [ 16.988161][ T250] R10: 00007ffcf6d8c240 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