====================================== | [ 10.136256][ T179] softirqs last disabled at (35217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.136258][ T179] Preemption disabled at: | [ 10.136259][ T179] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.136268][ T179] Tainted: [W]=WARN [ 10.136269][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.136271][ T179] Call Trace: [ 10.136272][ T179] [ 10.136274][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.136280][ T179] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.136282][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 10.136286][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.136291][ 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) [ 10.136296][ 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)) [ 10.136298][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.136304][ 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) [ 10.136307][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.136311][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 10.136314][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.136315][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.136320][ T179] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.136323][ T179] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.136327][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.136331][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.136336][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.136339][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.136345][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.136349][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.136350][ 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)) [ 10.136354][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.136356][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.136360][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.136365][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.136367][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.136372][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.136375][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.136377][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.136379][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.136383][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.136385][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.136388][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 10.136392][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.136398][ T179] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 10.136403][ T179] _printk (kernel/printk/printk.c:2504) [ 10.136407][ T179] ? snapshot_read.cold (user.c:?) [ 10.136414][ 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) [ 10.136417][ T179] ppp_init (ppp_generic.mod.c:?) ppp_generic [ 10.136421][ T179] do_one_initcall (init/main.c:1357) [ 10.136423][ T179] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.136428][ T179] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.136431][ T179] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.136436][ T179] do_init_module (kernel/module/main.c:3117) [ 10.136440][ T179] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.136444][ T179] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.136447][ T179] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.136452][ T179] load_module (kernel/module/main.c:3593) [ 10.136459][ T179] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.136464][ T179] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.136468][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.136472][ T179] init_module_from_file (kernel/module/main.c:3790) [ 10.136475][ T179] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.136483][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.136487][ 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) [ 10.136490][ T179] idempotent_init_module (kernel/module/main.c:3802) [ 10.136494][ T179] ? init_module_from_file (kernel/module/main.c:3791) [ 10.136500][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.136503][ T179] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.136509][ T179] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.136512][ T179] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.136516][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.136518][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.136521][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.136523][ T179] RIP: 0033:0x7f4de620837d [ 10.136527][ 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 [ 10.136529][ T179] RSP: 002b:00007ffddaccc278 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.136531][ T179] RAX: ffffffffffffffda RBX: 000055deeb5ef1d0 RCX: 00007f4de620837d [ 10.136533][ T179] RDX: 0000000000000000 RSI: 000055dec08f3ffd RDI: 0000000000000006 [ 10.136534][ T179] RBP: 00007ffddaccc310 R08: 0000000000000000 R09: 0000000000000000 [ 10.136534][ T179] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dec08f3ffd [ 10.136535][ T179] R13: 000055deeb5ef180 R14: 0000000000040000 R15: 0000000000000000 | [ 15.587986][ T263] softirqs last disabled at (1557006): 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)) | [ 15.587989][ T263] Preemption disabled at: | [ 15.587990][ T263] 0x0 | [ 15.588004][ T263] Tainted: [W]=WARN [ 15.588005][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.588007][ T263] Call Trace: [ 15.588009][ T263] [ 15.588012][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.588020][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 15.588027][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.588033][ T263] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.588040][ T263] __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)) [ 15.588044][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.588054][ T263] ? 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) [ 15.588057][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.588063][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 15.588066][ T263] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.588070][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.588076][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.588082][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.588085][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.588092][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.588096][ T263] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.588100][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.588102][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.588109][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.588113][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.588119][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.588123][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.588130][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.588136][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.588139][ T263] ? 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)) [ 15.588145][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.588149][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.588156][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.588163][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.588166][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.588175][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.588180][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.588183][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.588186][ T263] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.588193][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.588196][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.588201][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 15.588207][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.588213][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.588220][ T263] _printk (kernel/printk/printk.c:2504) [ 15.588225][ T263] ? snapshot_read.cold (user.c:?) [ 15.588229][ T263] ? 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) [ 15.588233][ T263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.588240][ T263] ? 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) [ 15.588245][ T263] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.588250][ T263] ? exit_notify (kernel/exit.c:780) [ 15.588260][ T263] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 15.588263][ T263] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 15.588267][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.588271][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.588276][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.588280][ T263] RIP: 0033:0x7fcf89294c49 [ 15.588283][ T263] Code: Unable to access opcode bytes at 0x7fcf89294c1f. Code starting with the faulting instruction =========================================== [ 15.588285][ T263] RSP: 002b:00007fcf88a53e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 15.588289][ T263] RAX: ffffffffffffffda RBX: 00007fcf88a546c0 RCX: 00007fcf89294c49 [ 15.588291][ T263] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 15.588292][ T263] RBP: 00007fcf88a53f70 R08: 0000000000000001 R09: 00007fcf88a546c0 [ 15.588294][ T263] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fcf88254000 [ 15.588295][ T263] R13: 00007fff6f2b6310 R14: 0000000000000002 R15: 00007fff6f2b6417 | [ 15.755830][ T268] | [ 15.755831][ T268] | [ 15.755831][ T268] stack backtrace: | [ 15.755837][ T268] Tainted: [W]=WARN [ 15.755838][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.755839][ T268] Call Trace: [ 15.755841][ T268] [ 15.755842][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.755846][ T268] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 15.755849][ T268] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 15.755850][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.755854][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.755857][ T268] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 15.755859][ T268] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.755861][ T268] check_prev_add (kernel/locking/lockdep.c:3185) [ 15.755863][ T268] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 15.755865][ T268] __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.755867][ T268] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.755869][ T268] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.755871][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.755873][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.755875][ T268] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.755877][ T268] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.755878][ T268] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.755881][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.755882][ T268] ? 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)) [ 15.755884][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.755886][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.755888][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.755890][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.755892][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.755894][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.755896][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.755898][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.755900][ T268] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.755902][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.755903][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.755905][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 15.755908][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.755910][ T268] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 15.755912][ T268] _printk (kernel/printk/printk.c:2504) [ 15.755913][ T268] ? snapshot_read.cold (user.c:?) [ 15.755915][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.755917][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.755918][ T268] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.755919][ T268] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.755921][ T268] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 15.755923][ T268] ? netdev_crit (net/core/dev.c:13191) [ 15.755924][ T268] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.755926][ T268] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.755929][ T268] ? idr_get_free (??:?) [ 15.755931][ T268] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 15.755933][ T268] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.755935][ T268] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.755938][ T268] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.755940][ T268] ? 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)) [ 15.755943][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.755945][ T268] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 15.755947][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.755949][ T268] __dev_queue_xmit (net/core/dev.c:4926) [ 15.755951][ T268] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 15.755953][ T268] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.755954][ T268] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.755955][ T268] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.755957][ T268] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 15.755960][ T268] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 15.755962][ T268] ? dst_alloc (net/core/dst.c:94) [ 15.755963][ T268] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.755965][ T268] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 15.755966][ T268] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 15.755968][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.755969][ T268] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.755971][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.755972][ T268] ? 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)) [ 15.755974][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.755977][ T268] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.755979][ T268] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.755980][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.755982][ T268] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.755985][ T268] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.755987][ T268] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.755988][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.755990][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.755991][ T268] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 15.755994][ T268] __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)) [ 15.755996][ T268] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 15.756000][ T268] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 15.756004][ T268] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 15.756007][ T268] ? 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) [ 15.756009][ T268] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 15.756011][ T268] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 15.756012][ T268] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 15.756015][ T268] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 15.756017][ T268] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.756019][ T268] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.756021][ T268] ? down_read_nested (kernel/locking/rwsem.c:1295 (discriminator 23) kernel/locking/rwsem.c:1304 (discriminator 23) kernel/locking/rwsem.c:1710 (discriminator 23)) [ 15.756022][ T268] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.756024][ T268] ? 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)) [ 15.756026][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.756028][ T268] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 15.756030][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.756032][ T268] __dev_queue_xmit (net/core/dev.c:4926) [ 15.756034][ T268] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 15.756037][ T268] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 15.756038][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.756040][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.756042][ T268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.756044][ T268] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.756045][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.756047][ T268] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.756048][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.756050][ T268] ? 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)) [ 15.756052][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.756054][ T268] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.756056][ T268] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.756058][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.756059][ T268] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.756061][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.756063][ T268] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.756065][ T268] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.756067][ T268] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 15.756070][ T268] 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)) [ 15.756071][ T268] raw_sendmsg (net/ipv4/raw.c:665) [ 15.756073][ T268] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 15.756075][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.756079][ T268] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.756083][ T268] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.756084][ T268] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.756086][ T268] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 15.756088][ T268] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.756092][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 15.756094][ T268] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.756096][ T268] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.756098][ T268] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.756100][ T268] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.756101][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.756103][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.756104][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.756106][ T268] RIP: 0033:0x7f4e3b8b454e [ 15.756109][ T268] 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 [ 15.756110][ T268] RSP: 002b:00007ffed9fe9e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.756113][ T268] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f4e3b8b454e [ 15.756115][ T268] RDX: 0000000000000040 RSI: 0000556f0412c0a4 RDI: 0000000000000005 [ 15.756116][ T268] RBP: 00007ffed9fe9e60 R08: 0000556f0413e320 R09: 0000000000000010 [ 15.756116][ T268] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 15.756117][ T268] R13: 0000000000000000 R14: 0000556f0413f3e0 R15: 0000556f0412c0a0 | [ 16.762434][ T268] softirqs last disabled at (24406): __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)) | [ 16.762438][ T268] Preemption disabled at: | [ 16.762438][ T268] 0x0 | [ 16.762449][ T268] Tainted: [W]=WARN [ 16.762450][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.762452][ T268] Call Trace: [ 16.762453][ T268] [ 16.762454][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.762459][ T268] __might_resched.cold (kernel/sched/core.c:9234) [ 16.762463][ T268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.762466][ T268] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.762469][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.762474][ T268] __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)) [ 16.762477][ T268] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.762479][ T268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.762483][ T268] ? 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) [ 16.762485][ T268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.762487][ T268] put_chars (drivers/char/virtio_console.c:1176) [ 16.762489][ T268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.762491][ T268] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 16.762493][ T268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.762497][ T268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.762498][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.762500][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.762502][ T268] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.762505][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.762507][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.762508][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.762510][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.762511][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.762513][ T268] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 16.762515][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.762517][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.762519][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.762521][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.762522][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.762524][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.762526][ T268] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.762527][ T268] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.762528][ T268] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 16.762530][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.762532][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.762534][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 16.762536][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.762538][ T268] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 16.762540][ T268] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 16.762543][ T268] _printk (kernel/printk/printk.c:2504) [ 16.762546][ T268] ? snapshot_read.cold (user.c:?) [ 16.762548][ T268] ? 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) [ 16.762550][ T268] ? 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) [ 16.762551][ T268] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.762553][ T268] ? 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) [ 16.762555][ T268] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.762558][ T268] ? exit_notify (kernel/exit.c:780) [ 16.762559][ T268] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 16.762561][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.762564][ T268] do_group_exit (kernel/exit.c:1151) [ 16.762565][ T268] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.762566][ T268] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.762569][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.762572][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.762574][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.762576][ T268] RIP: 0033:0x7f4e3b9051b8 [ 16.762578][ T268] Code: Unable to access opcode bytes at 0x7f4e3b90518e. Code starting with the faulting instruction =========================================== [ 16.762579][ T268] RSP: 002b:00007ffed9feb5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.762583][ T268] RAX: ffffffffffffffda RBX: 00007f4e3ba35f88 RCX: 00007f4e3b9051b8 [ 16.762584][ T268] RDX: 00007f4e3b6967c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 16.762585][ T268] RBP: 00007ffed9feb640 R08: 0000000000000000 R09: 0000000000001010 [ 16.762586][ T268] R10: 00007ffed9feb460 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