====================================== | [ 10.305988][ T179] softirqs last disabled at (31371): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.305990][ T179] Preemption disabled at: | [ 10.305991][ T179] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.306001][ T179] Tainted: [W]=WARN [ 10.306002][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.306003][ T179] Call Trace: [ 10.306005][ T179] [ 10.306007][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.306012][ T179] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.306014][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 10.306019][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.306024][ T179] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.306029][ T179] __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)) [ 10.306031][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.306038][ T179] ? 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) [ 10.306041][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.306044][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 10.306047][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.306049][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.306056][ T179] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.306060][ T179] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.306066][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.306069][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.306074][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.306077][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.306083][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.306087][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.306089][ T179] ? 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)) [ 10.306093][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.306095][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.306100][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.306104][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.306106][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.306112][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.306115][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.306117][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.306120][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.306124][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.306126][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.306129][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 10.306134][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.306140][ T179] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 10.306144][ T179] _printk (kernel/printk/printk.c:2504) [ 10.306148][ T179] ? snapshot_read.cold (user.c:?) [ 10.306155][ T179] ? 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) [ 10.306159][ T179] ppp_init (ppp_generic.mod.c:?) ppp_generic [ 10.306162][ T179] do_one_initcall (init/main.c:1357) [ 10.306165][ T179] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.306170][ T179] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.306174][ T179] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.306179][ T179] do_init_module (kernel/module/main.c:3117) [ 10.306183][ T179] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.306187][ T179] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.306190][ T179] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.306195][ T179] load_module (kernel/module/main.c:3593) [ 10.306203][ T179] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.306208][ T179] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.306212][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.306216][ T179] init_module_from_file (kernel/module/main.c:3790) [ 10.306219][ T179] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.306228][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.306232][ T179] ? 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) [ 10.306235][ T179] idempotent_init_module (kernel/module/main.c:3802) [ 10.306239][ T179] ? init_module_from_file (kernel/module/main.c:3791) [ 10.306246][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.306248][ T179] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.306255][ T179] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.306257][ T179] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.306261][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.306264][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.306267][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.306269][ T179] RIP: 0033:0x7fb82de2337d [ 10.306273][ T179] 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 [ 10.306275][ T179] RSP: 002b:00007ffd62a5e8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.306278][ T179] RAX: ffffffffffffffda RBX: 000055f2262501d0 RCX: 00007fb82de2337d [ 10.306279][ T179] RDX: 0000000000000000 RSI: 000055f210a3effd RDI: 0000000000000006 [ 10.306280][ T179] RBP: 00007ffd62a5e980 R08: 0000000000000000 R09: 0000000000000000 [ 10.306281][ T179] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f210a3effd [ 10.306282][ T179] R13: 000055f226250180 R14: 0000000000040000 R15: 0000000000000000 | [ 15.621605][ T262] softirqs last disabled at (1631162): __release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3272) | [ 15.621609][ T262] Preemption disabled at: | [ 15.621610][ T262] 0x0 | [ 15.621624][ T262] Tainted: [W]=WARN [ 15.621625][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.621628][ T262] Call Trace: [ 15.621630][ T262] [ 15.621632][ T262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.621640][ T262] __might_resched.cold (kernel/sched/core.c:9234) [ 15.621646][ T262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.621652][ 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) [ 15.621659][ 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)) [ 15.621663][ T262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.621673][ 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) [ 15.621678][ T262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.621683][ T262] put_chars (drivers/char/virtio_console.c:1176) [ 15.621686][ T262] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.621690][ T262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.621695][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.621701][ T262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.621705][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.621711][ T262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.621716][ T262] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.621718][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.621721][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.621727][ T262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.621731][ T262] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.621737][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.621740][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.621747][ T262] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.621754][ T262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.621757][ 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)) [ 15.621762][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.621765][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.621772][ T262] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.621779][ T262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.621782][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.621791][ T262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.621795][ T262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.621798][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.621802][ T262] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.621809][ T262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.621812][ T262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.621818][ T262] vprintk_emit (kernel/printk/printk.c:2479) [ 15.621824][ T262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.621830][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.621843][ T262] _printk (kernel/printk/printk.c:2504) [ 15.621849][ T262] ? snapshot_read.cold (user.c:?) [ 15.621853][ 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) [ 15.621858][ T262] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.621864][ 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) [ 15.621869][ T262] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.621875][ T262] ? exit_notify (kernel/exit.c:780) [ 15.621879][ T262] ? __ia32_sys_sendfile (fs/read_write.c:1399) [ 15.621884][ T262] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207) [ 15.621893][ T262] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 15.621896][ T262] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 15.621900][ T262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.621905][ T262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.621909][ T262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.621913][ T262] RIP: 0033:0x7fcd647c6c49 [ 15.621916][ T262] Code: Unable to access opcode bytes at 0x7fcd647c6c1f. Code starting with the faulting instruction =========================================== [ 15.621918][ T262] RSP: 002b:00007fcd63f85e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 15.621922][ T262] RAX: ffffffffffffffda RBX: 00007fcd63f866c0 RCX: 00007fcd647c6c49 [ 15.621924][ T262] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 15.621925][ T262] RBP: 00007fcd63f85f70 R08: 0000000000000001 R09: 00007fcd63f866c0 [ 15.621927][ T262] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fcd63786000 [ 15.621928][ T262] R13: 00007ffe0cf5b4f0 R14: 0000000000000002 R15: 00007ffe0cf5b5f7 | [ 15.792387][ T266] | [ 15.792388][ T266] | [ 15.792388][ T266] stack backtrace: | [ 15.792394][ T266] Tainted: [W]=WARN [ 15.792395][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.792397][ T266] Call Trace: [ 15.792398][ T266] [ 15.792400][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.792404][ T266] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 15.792406][ T266] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 15.792408][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.792412][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.792414][ T266] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 15.792417][ T266] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.792418][ T266] check_prev_add (kernel/locking/lockdep.c:3185) [ 15.792420][ T266] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 15.792422][ T266] __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792424][ T266] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.792426][ T266] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.792428][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792430][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.792432][ T266] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.792434][ T266] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.792435][ T266] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.792437][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.792439][ 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)) [ 15.792441][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792443][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.792444][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.792447][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.792448][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792450][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.792452][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.792454][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792456][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.792457][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.792459][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.792461][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 15.792463][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.792465][ T266] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 15.792467][ T266] _printk (kernel/printk/printk.c:2504) [ 15.792469][ T266] ? snapshot_read.cold (user.c:?) [ 15.792471][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.792472][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.792473][ T266] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.792475][ T266] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.792476][ T266] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 15.792478][ T266] ? netdev_crit (net/core/dev.c:13191) [ 15.792479][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.792481][ T266] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.792484][ T266] ? idr_get_free (??:?) [ 15.792486][ T266] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 15.792488][ T266] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.792490][ T266] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.792493][ T266] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.792495][ 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)) [ 15.792498][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792499][ 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) [ 15.792502][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792504][ T266] __dev_queue_xmit (net/core/dev.c:4926) [ 15.792506][ T266] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 15.792507][ T266] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.792508][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.792510][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.792511][ T266] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 15.792515][ T266] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 15.792516][ T266] ? dst_alloc (net/core/dst.c:94) [ 15.792517][ T266] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.792519][ T266] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 15.792520][ T266] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 15.792522][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792523][ T266] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.792525][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.792526][ 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)) [ 15.792528][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792531][ T266] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.792532][ T266] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.792534][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.792536][ T266] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.792538][ T266] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.792540][ T266] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.792542][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.792543][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.792545][ 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)) [ 15.792547][ 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)) [ 15.792549][ T266] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 15.792553][ T266] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 15.792556][ T266] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 15.792559][ 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) [ 15.792561][ T266] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 15.792562][ T266] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 15.792564][ T266] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 15.792566][ T266] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 15.792568][ T266] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.792570][ T266] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.792572][ 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)) [ 15.792573][ T266] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.792575][ 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)) [ 15.792577][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792579][ 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) [ 15.792581][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792583][ T266] __dev_queue_xmit (net/core/dev.c:4926) [ 15.792585][ T266] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 15.792588][ T266] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 15.792589][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.792591][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.792592][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.792594][ T266] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.792596][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.792598][ T266] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.792599][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.792601][ 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)) [ 15.792602][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792605][ T266] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.792607][ T266] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.792608][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.792610][ T266] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.792612][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.792614][ T266] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.792616][ T266] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.792617][ T266] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 15.792620][ 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)) [ 15.792622][ T266] raw_sendmsg (net/ipv4/raw.c:665) [ 15.792624][ T266] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 15.792626][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.792629][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.792633][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.792635][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.792636][ T266] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 15.792638][ T266] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.792642][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 15.792644][ T266] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.792646][ T266] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.792649][ T266] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.792650][ T266] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.792651][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.792653][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.792654][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.792655][ T266] RIP: 0033:0x7f66c1c6454e [ 15.792658][ 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 [ 15.792661][ T266] RSP: 002b:00007ffeeb7a81e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.792663][ T266] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f66c1c6454e [ 15.792665][ T266] RDX: 0000000000000040 RSI: 0000561ed6f7a0a4 RDI: 0000000000000005 [ 15.792666][ T266] RBP: 00007ffeeb7a81f0 R08: 0000561ed6f8c320 R09: 0000000000000010 [ 15.792667][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 15.792668][ T266] R13: 0000000000000000 R14: 0000561ed6f8d3e0 R15: 0000561ed6f7a0a0 | [ 16.802283][ T266] softirqs last disabled at (25614): __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)) | [ 16.802287][ T266] Preemption disabled at: | [ 16.802288][ T266] 0x0 | [ 16.802297][ T266] Tainted: [W]=WARN [ 16.802298][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.802300][ T266] Call Trace: [ 16.802302][ T266] [ 16.802303][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.802308][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 16.802312][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.802315][ T266] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.802318][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.802322][ 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)) [ 16.802325][ T266] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.802328][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.802332][ 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) [ 16.802333][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.802335][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 16.802338][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.802339][ T266] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 16.802342][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.802346][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.802347][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.802349][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.802351][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.802354][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.802356][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.802357][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.802359][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.802361][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.802363][ T266] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 16.802364][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.802366][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.802369][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.802371][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.802372][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.802374][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.802376][ T266] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.802377][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.802379][ T266] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 16.802381][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.802382][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.802384][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 16.802387][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.802389][ T266] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 16.802390][ T266] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 16.802394][ T266] _printk (kernel/printk/printk.c:2504) [ 16.802398][ T266] ? snapshot_read.cold (user.c:?) [ 16.802399][ 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) [ 16.802401][ 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) [ 16.802403][ T266] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.802405][ 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) [ 16.802406][ T266] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.802409][ T266] ? exit_notify (kernel/exit.c:780) [ 16.802411][ T266] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 16.802413][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.802415][ T266] do_group_exit (kernel/exit.c:1151) [ 16.802417][ T266] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.802418][ T266] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.802420][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.802424][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.802426][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.802428][ T266] RIP: 0033:0x7f66c1cb51b8 [ 16.802432][ T266] Code: Unable to access opcode bytes at 0x7f66c1cb518e. Code starting with the faulting instruction =========================================== [ 16.802433][ T266] RSP: 002b:00007ffeeb7a9978 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.802437][ T266] RAX: ffffffffffffffda RBX: 00007f66c1de5f88 RCX: 00007f66c1cb51b8 [ 16.802438][ T266] RDX: 00007f66c1a467c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 16.802439][ T266] RBP: 00007ffeeb7a99d0 R08: 0000000000000000 R09: 0000000000001010 [ 16.802440][ T266] R10: 00007ffeeb7a97f0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire __release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __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