====================================== | [ 9.056677][ T180] softirqs last disabled at (37471): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.056680][ T180] Preemption disabled at: | [ 9.056680][ T180] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.056689][ T180] Tainted: [W]=WARN [ 9.056690][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.056691][ T180] Call Trace: [ 9.056693][ T180] [ 9.056694][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.056700][ T180] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.056702][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.056707][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.056711][ 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) [ 9.056716][ 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)) [ 9.056719][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.056725][ 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) [ 9.056727][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.056731][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.056734][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.056736][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.056741][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.056743][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.056748][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.056752][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.056757][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.056760][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.056766][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.056770][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.056772][ 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)) [ 9.056775][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.056778][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.056782][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.056786][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.056788][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.056794][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.056797][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.056799][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.056801][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.056805][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.056807][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.056811][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.056815][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.056821][ T180] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 9.056825][ T180] _printk (kernel/printk/printk.c:2504) [ 9.056829][ T180] ? snapshot_read.cold (user.c:?) [ 9.056836][ 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) [ 9.056840][ T180] ppp_init (ppp_generic.mod.c:?) ppp_generic [ 9.056844][ T180] do_one_initcall (init/main.c:1357) [ 9.056847][ T180] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.056852][ T180] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.056855][ T180] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.056860][ T180] do_init_module (kernel/module/main.c:3117) [ 9.056864][ T180] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.056868][ T180] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.056872][ T180] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.056876][ T180] load_module (kernel/module/main.c:3593) [ 9.056883][ T180] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.056889][ T180] ? backing_file_read_iter (fs/backing-file.c:211) [ 9.056892][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.056896][ T180] init_module_from_file (kernel/module/main.c:3790) [ 9.056900][ T180] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.056909][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.056912][ 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) [ 9.056916][ T180] idempotent_init_module (kernel/module/main.c:3802) [ 9.056919][ T180] ? init_module_from_file (kernel/module/main.c:3791) [ 9.056926][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.056929][ T180] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.056936][ T180] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.056938][ T180] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.056942][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.056944][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.056947][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.056949][ T180] RIP: 0033:0x7fe67af7037d [ 9.056953][ 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 [ 9.056955][ T180] RSP: 002b:00007ffc1e47ca38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.056957][ T180] RAX: ffffffffffffffda RBX: 000055ec1e6691d0 RCX: 00007fe67af7037d [ 9.056959][ T180] RDX: 0000000000000000 RSI: 000055ec16d0cffd RDI: 0000000000000006 [ 9.056960][ T180] RBP: 00007ffc1e47cad0 R08: 0000000000000000 R09: 0000000000000000 [ 9.056960][ T180] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec16d0cffd [ 9.056961][ T180] R13: 000055ec1e669180 R14: 0000000000040000 R15: 0000000000000000 | [ 14.380156][ T262] softirqs last disabled at (1684381): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.380158][ T262] Preemption disabled at: | [ 14.380159][ T262] 0x0 | [ 14.380169][ T262] Tainted: [W]=WARN [ 14.380170][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.380171][ T262] Call Trace: [ 14.380173][ T262] [ 14.380174][ T262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.380180][ T262] __might_resched.cold (kernel/sched/core.c:9234) [ 14.380185][ T262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.380188][ T262] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.380193][ T262] __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)) [ 14.380195][ T262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.380201][ T262] ? 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) [ 14.380204][ T262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.380207][ T262] put_chars (drivers/char/virtio_console.c:1176) [ 14.380209][ T262] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.380211][ T262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.380214][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.380219][ T262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.380221][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.380224][ T262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.380228][ T262] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.380229][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.380231][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.380234][ T262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.380237][ T262] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.380240][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.380242][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.380246][ T262] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.380249][ T262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.380251][ T262] ? 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)) [ 14.380254][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.380256][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.380260][ T262] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.380264][ T262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.380266][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.380271][ T262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.380273][ T262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.380275][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.380277][ T262] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.380281][ T262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.380282][ T262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.380286][ T262] vprintk_emit (kernel/printk/printk.c:2479) [ 14.380289][ T262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.380293][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.380296][ T262] _printk (kernel/printk/printk.c:2504) [ 14.380299][ T262] ? snapshot_read.cold (user.c:?) [ 14.380302][ T262] ? 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) [ 14.380304][ T262] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.380308][ T262] ? 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) [ 14.380311][ T262] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.380314][ T262] ? exit_notify (kernel/exit.c:780) [ 14.380319][ T262] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 14.380321][ T262] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 14.380323][ T262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.380327][ T262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.380330][ T262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.380332][ T262] RIP: 0033:0x7fab5a3a7c49 [ 14.380334][ T262] Code: Unable to access opcode bytes at 0x7fab5a3a7c1f. Code starting with the faulting instruction =========================================== [ 14.380335][ T262] RSP: 002b:00007fab59b66e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 14.380338][ T262] RAX: ffffffffffffffda RBX: 00007fab59b676c0 RCX: 00007fab5a3a7c49 [ 14.380339][ T262] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 14.380340][ T262] RBP: 00007fab59b66f70 R08: 0000000000000001 R09: 00007fab59b676c0 [ 14.380341][ T262] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fab59367000 [ 14.380341][ T262] R13: 00007ffdb1aec4f0 R14: 0000000000000002 R15: 00007ffdb1aec5f7 | [ 14.518497][ T266] | [ 14.518497][ T266] | [ 14.518497][ T266] stack backtrace: | [ 14.518503][ T266] Tainted: [W]=WARN [ 14.518504][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.518505][ T266] Call Trace: [ 14.518507][ T266] [ 14.518508][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.518512][ T266] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 14.518514][ T266] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 14.518516][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.518520][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.518522][ T266] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 14.518525][ T266] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 14.518526][ T266] check_prev_add (kernel/locking/lockdep.c:3185) [ 14.518528][ T266] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 14.518530][ T266] __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.518532][ T266] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.518534][ T266] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.518536][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518538][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.518540][ T266] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.518541][ T266] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.518543][ T266] console_emit_next_record (kernel/printk/printk.c:3177) [ 14.518545][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.518546][ T266] ? 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)) [ 14.518554][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518556][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.518558][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.518560][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.518562][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.518564][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.518566][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.518567][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518569][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.518571][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.518572][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.518574][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 14.518576][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.518578][ T266] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 14.518580][ T266] _printk (kernel/printk/printk.c:2504) [ 14.518582][ T266] ? snapshot_read.cold (user.c:?) [ 14.518584][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.518585][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.518587][ T266] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.518588][ T266] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.518590][ T266] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 14.518591][ T266] ? netdev_crit (net/core/dev.c:13191) [ 14.518592][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.518594][ T266] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 14.518597][ T266] ? idr_get_free (??:?) [ 14.518599][ T266] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 14.518601][ T266] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.518603][ T266] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.518606][ T266] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.518611][ T266] ? 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)) [ 14.518614][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518615][ T266] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.518618][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518620][ T266] __dev_queue_xmit (net/core/dev.c:4926) [ 14.518622][ T266] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.518623][ T266] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.518625][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.518626][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.518627][ T266] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 14.518631][ T266] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 14.518632][ T266] ? dst_alloc (net/core/dst.c:94) [ 14.518633][ T266] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.518635][ T266] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 14.518636][ T266] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 14.518638][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.518639][ T266] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.518641][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.518642][ T266] ? 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)) [ 14.518644][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518647][ T266] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.518648][ T266] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.518650][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.518652][ T266] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.518654][ T266] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.518656][ T266] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.518657][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.518659][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.518661][ T266] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 14.518663][ T266] __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)) [ 14.518665][ T266] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 14.518669][ T266] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 14.518673][ T266] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 14.518676][ T266] ? 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) [ 14.518678][ T266] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 14.518679][ T266] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 14.518681][ T266] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 14.518683][ T266] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 14.518685][ T266] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.518687][ T266] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.518689][ T266] ? down_read_nested (kernel/locking/rwsem.c:1295 (discriminator 23) kernel/locking/rwsem.c:1304 (discriminator 23) kernel/locking/rwsem.c:1710 (discriminator 23)) [ 14.518690][ T266] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.518692][ T266] ? 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)) [ 14.518694][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518696][ T266] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.518698][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518700][ T266] __dev_queue_xmit (net/core/dev.c:4926) [ 14.518702][ T266] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 14.518704][ T266] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 14.518706][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.518708][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.518709][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.518711][ T266] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.518713][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.518714][ T266] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.518716][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.518717][ T266] ? 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)) [ 14.518719][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518721][ T266] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.518723][ T266] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.518724][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.518726][ T266] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.518728][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.518730][ T266] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.518732][ T266] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.518733][ T266] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 14.518736][ T266] 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)) [ 14.518738][ T266] raw_sendmsg (net/ipv4/raw.c:665) [ 14.518740][ T266] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 14.518741][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.518745][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.518749][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.518750][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.518752][ T266] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 14.518754][ T266] ? __ia32_sys_getpeername (net/socket.c:2235) [ 14.518758][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 14.518759][ T266] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.518761][ T266] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.518764][ T266] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.518765][ T266] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 14.518766][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.518768][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.518769][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.518771][ T266] RIP: 0033:0x7f48fb85154e [ 14.518773][ T266] 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 [ 14.518775][ T266] RSP: 002b:00007ffe25920a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.518778][ T266] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f48fb85154e [ 14.518779][ T266] RDX: 0000000000000040 RSI: 000055c686b1b0a4 RDI: 0000000000000005 [ 14.518780][ T266] RBP: 00007ffe25920a10 R08: 000055c686b2d320 R09: 0000000000000010 [ 14.518781][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 14.518781][ T266] R13: 0000000000000000 R14: 000055c686b2e3e0 R15: 000055c686b1b0a0 | [ 15.525398][ T266] softirqs last disabled at (24706): __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)) | [ 15.525402][ T266] Preemption disabled at: | [ 15.525402][ T266] 0x0 | [ 15.525413][ T266] Tainted: [W]=WARN [ 15.525414][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.525416][ T266] Call Trace: [ 15.525417][ T266] [ 15.525418][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.525424][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 15.525427][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.525430][ T266] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 15.525433][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.525437][ T266] __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)) [ 15.525440][ T266] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.525442][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.525446][ T266] ? 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) [ 15.525447][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.525449][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 15.525452][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.525453][ T266] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 15.525456][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.525459][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.525461][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.525463][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.525465][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.525468][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.525470][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.525471][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.525473][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.525474][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.525476][ T266] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 15.525478][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.525480][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.525483][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.525484][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.525486][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.525487][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.525489][ T266] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.525490][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.525492][ T266] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 15.525494][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.525495][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.525497][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 15.525499][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.525501][ T266] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 15.525503][ T266] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 15.525507][ T266] _printk (kernel/printk/printk.c:2504) [ 15.525510][ T266] ? snapshot_read.cold (user.c:?) [ 15.525511][ T266] ? 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) [ 15.525513][ T266] ? 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) [ 15.525514][ T266] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.525516][ T266] ? 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) [ 15.525518][ T266] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.525521][ T266] ? exit_notify (kernel/exit.c:780) [ 15.525522][ T266] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 15.525524][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.525526][ T266] do_group_exit (kernel/exit.c:1151) [ 15.525528][ T266] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.525529][ T266] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.525531][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.525535][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.525537][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.525539][ T266] RIP: 0033:0x7f48fb8a21b8 [ 15.525540][ T266] Code: Unable to access opcode bytes at 0x7f48fb8a218e. Code starting with the faulting instruction =========================================== [ 15.525542][ T266] RSP: 002b:00007ffe25922198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.525545][ T266] RAX: ffffffffffffffda RBX: 00007f48fb9d2f88 RCX: 00007f48fb8a21b8 [ 15.525546][ T266] RDX: 00007f48fb6337c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 15.525547][ T266] RBP: 00007ffe259221f0 R08: 0000000000000000 R09: 0000000000001010 [ 15.525548][ T266] R10: 00007ffe25922010 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu: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