====================================== | [ 10.241630][ T181] softirqs last disabled at (48169): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.241633][ T181] Preemption disabled at: | [ 10.241633][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.241643][ T181] Tainted: [W]=WARN [ 10.241644][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.241645][ T181] Call Trace: [ 10.241647][ T181] [ 10.241649][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.241655][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.241657][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 10.241662][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.241666][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.241671][ T181] __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)) [ 10.241673][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.241679][ T181] ? 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) [ 10.241682][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.241686][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 10.241689][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.241690][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.241696][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.241698][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.241703][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.241706][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.241711][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.241714][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.241720][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.241724][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.241726][ T181] ? 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)) [ 10.241729][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.241732][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.241736][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.241740][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.241742][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.241747][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.241750][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.241752][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.241754][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.241758][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.241760][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.241763][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 10.241768][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.241774][ T181] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 10.241779][ T181] _printk (kernel/printk/printk.c:2504) [ 10.241782][ T181] ? snapshot_read.cold (user.c:?) [ 10.241789][ T181] ? 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) [ 10.241792][ T181] ppp_init (ppp_generic.mod.c:?) ppp_generic [ 10.241796][ T181] do_one_initcall (init/main.c:1357) [ 10.241798][ T181] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.241803][ T181] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.241806][ T181] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.241811][ T181] do_init_module (kernel/module/main.c:3117) [ 10.241815][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.241819][ T181] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.241822][ T181] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.241826][ T181] load_module (kernel/module/main.c:3593) [ 10.241834][ T181] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.241840][ T181] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.241843][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.241847][ T181] init_module_from_file (kernel/module/main.c:3790) [ 10.241850][ T181] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.241859][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.241862][ T181] ? 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) [ 10.241866][ T181] idempotent_init_module (kernel/module/main.c:3802) [ 10.241869][ T181] ? init_module_from_file (kernel/module/main.c:3791) [ 10.241876][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.241878][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.241885][ T181] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.241887][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.241891][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.241893][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.241896][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.241898][ T181] RIP: 0033:0x7f48351be37d [ 10.241902][ T181] 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 [ 10.241903][ T181] RSP: 002b:00007fff3acc9898 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.241906][ T181] RAX: ffffffffffffffda RBX: 00005579ab3ee1d0 RCX: 00007f48351be37d [ 10.241908][ T181] RDX: 0000000000000000 RSI: 0000557985434ffd RDI: 0000000000000006 [ 10.241909][ T181] RBP: 00007fff3acc9930 R08: 0000000000000000 R09: 0000000000000000 [ 10.241909][ T181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557985434ffd [ 10.241910][ T181] R13: 00005579ab3ee180 R14: 0000000000040000 R15: 0000000000000000 | [ 15.680657][ T263] softirqs last disabled at (1451296): 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)) | [ 15.680661][ T263] Preemption disabled at: | [ 15.680662][ T263] 0x0 | [ 15.680675][ T263] Tainted: [W]=WARN [ 15.680677][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.680679][ T263] Call Trace: [ 15.680681][ T263] [ 15.680683][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.680691][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 15.680697][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.680702][ 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) [ 15.680710][ 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)) [ 15.680713][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.680722][ 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) [ 15.680726][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.680731][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 15.680734][ T263] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.680737][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.680743][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.680749][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.680752][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.680758][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.680763][ T263] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.680765][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.680768][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.680774][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.680778][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.680783][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.680787][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.680793][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.680800][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.680802][ 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)) [ 15.680807][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.680811][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.680818][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.680824][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.680827][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.680836][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.680841][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.680843][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.680847][ T263] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.680853][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.680856][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.680861][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 15.680867][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.680873][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.680879][ T263] _printk (kernel/printk/printk.c:2504) [ 15.680884][ T263] ? snapshot_read.cold (user.c:?) [ 15.680889][ 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) [ 15.680893][ T263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.680899][ 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) [ 15.680903][ T263] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.680909][ T263] ? exit_notify (kernel/exit.c:780) [ 15.680918][ T263] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 15.680921][ T263] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 15.680924][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.680929][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.680934][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.680937][ T263] RIP: 0033:0x7f883c0edc49 [ 15.680940][ T263] Code: Unable to access opcode bytes at 0x7f883c0edc1f. Code starting with the faulting instruction =========================================== [ 15.680942][ T263] RSP: 002b:00007f883b8ace60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 15.680945][ T263] RAX: ffffffffffffffda RBX: 00007f883b8ad6c0 RCX: 00007f883c0edc49 [ 15.680947][ T263] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 15.680949][ T263] RBP: 00007f883b8acf70 R08: 0000000000000001 R09: 00007f883b8ad6c0 [ 15.680950][ T263] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f883b0ad000 [ 15.680951][ T263] R13: 00007ffc649ee290 R14: 0000000000000002 R15: 00007ffc649ee397 | [ 15.869053][ T267] | [ 15.869054][ T267] | [ 15.869054][ T267] stack backtrace: | [ 15.869060][ T267] Tainted: [W]=WARN [ 15.869061][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.869063][ T267] Call Trace: [ 15.869064][ T267] [ 15.869065][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.869069][ T267] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 15.869072][ T267] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 15.869074][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.869078][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.869080][ T267] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 15.869083][ T267] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.869085][ T267] check_prev_add (kernel/locking/lockdep.c:3185) [ 15.869086][ T267] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 15.869089][ T267] __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.869091][ T267] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.869092][ T267] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.869094][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869096][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.869098][ T267] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.869100][ T267] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.869102][ T267] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.869104][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.869105][ T267] ? 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)) [ 15.869107][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869109][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.869111][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.869113][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.869115][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.869117][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.869119][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.869121][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869122][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.869124][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.869126][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.869128][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 15.869130][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.869132][ T267] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 15.869134][ T267] _printk (kernel/printk/printk.c:2504) [ 15.869135][ T267] ? snapshot_read.cold (user.c:?) [ 15.869137][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.869139][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.869140][ T267] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.869141][ T267] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.869143][ T267] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 15.869145][ T267] ? netdev_crit (net/core/dev.c:13191) [ 15.869146][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.869148][ T267] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.869151][ T267] ? idr_get_free (??:?) [ 15.869153][ T267] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 15.869155][ T267] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.869157][ T267] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.869160][ T267] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.869162][ T267] ? 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)) [ 15.869165][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869166][ T267] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 15.869169][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869171][ T267] __dev_queue_xmit (net/core/dev.c:4926) [ 15.869172][ T267] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 15.869174][ T267] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.869175][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.869177][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.869178][ T267] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 15.869182][ T267] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 15.869183][ T267] ? dst_alloc (net/core/dst.c:94) [ 15.869184][ T267] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.869186][ T267] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 15.869187][ T267] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 15.869189][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.869190][ T267] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.869192][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.869193][ T267] ? 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)) [ 15.869195][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869198][ T267] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.869199][ T267] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.869201][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.869203][ T267] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.869205][ T267] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.869207][ T267] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.869208][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.869210][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.869212][ T267] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 15.869214][ T267] __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)) [ 15.869216][ T267] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 15.869220][ T267] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 15.869224][ T267] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 15.869227][ T267] ? 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) [ 15.869229][ T267] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 15.869230][ T267] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 15.869232][ T267] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 15.869235][ T267] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 15.869237][ T267] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 15.869239][ T267] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 15.869240][ T267] ? down_read_nested (kernel/locking/rwsem.c:1295 (discriminator 23) kernel/locking/rwsem.c:1304 (discriminator 23) kernel/locking/rwsem.c:1710 (discriminator 23)) [ 15.869242][ T267] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 15.869244][ T267] ? 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)) [ 15.869246][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869247][ T267] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 15.869250][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869252][ T267] __dev_queue_xmit (net/core/dev.c:4926) [ 15.869254][ T267] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 15.869256][ T267] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 15.869258][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.869260][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.869261][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.869263][ T267] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.869264][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.869266][ T267] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 15.869267][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.869269][ T267] ? 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)) [ 15.869271][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869273][ T267] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 15.869275][ T267] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 15.869276][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.869278][ T267] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 15.869280][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.869282][ T267] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 15.869284][ T267] ? ip_finish_output (./include/linux/cgroup.h:915) [ 15.869285][ T267] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 15.869288][ T267] 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)) [ 15.869290][ T267] raw_sendmsg (net/ipv4/raw.c:665) [ 15.869292][ T267] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 15.869294][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.869297][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.869301][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.869302][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.869304][ T267] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 15.869306][ T267] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.869310][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 15.869312][ T267] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.869314][ T267] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.869316][ T267] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.869317][ T267] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.869319][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.869320][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.869322][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.869323][ T267] RIP: 0033:0x7f06950a954e [ 15.869326][ T267] 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 [ 15.869328][ T267] RSP: 002b:00007ffe11abf3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.869330][ T267] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f06950a954e [ 15.869332][ T267] RDX: 0000000000000040 RSI: 00005645621620a4 RDI: 0000000000000005 [ 15.869333][ T267] RBP: 00007ffe11abf3e0 R08: 0000564562174320 R09: 0000000000000010 [ 15.869333][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 15.869334][ T267] R13: 0000000000000000 R14: 00005645621753e0 R15: 00005645621620a0 | [ 16.875172][ T267] softirqs last disabled at (27532): __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)) | [ 16.875175][ T267] Preemption disabled at: | [ 16.875176][ T267] 0x0 | [ 16.875186][ T267] Tainted: [W]=WARN [ 16.875186][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.875188][ T267] Call Trace: [ 16.875190][ T267] [ 16.875191][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.875196][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 16.875200][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.875203][ T267] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.875205][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.875209][ T267] __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)) [ 16.875212][ T267] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.875215][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.875218][ T267] ? 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) [ 16.875220][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.875222][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 16.875224][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.875226][ T267] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 16.875228][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.875231][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.875233][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.875235][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.875237][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.875239][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.875241][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.875243][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.875244][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.875246][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.875248][ T267] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 16.875249][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.875251][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.875254][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.875255][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.875257][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.875258][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.875260][ T267] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.875261][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.875263][ T267] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 16.875265][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.875266][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.875268][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 16.875270][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.875272][ T267] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 16.875274][ T267] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 16.875278][ T267] _printk (kernel/printk/printk.c:2504) [ 16.875280][ T267] ? snapshot_read.cold (user.c:?) [ 16.875282][ T267] ? 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) [ 16.875283][ T267] ? 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) [ 16.875285][ T267] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.875287][ T267] ? 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) [ 16.875289][ T267] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.875292][ T267] ? exit_notify (kernel/exit.c:780) [ 16.875293][ T267] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 16.875296][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.875298][ T267] do_group_exit (kernel/exit.c:1151) [ 16.875299][ T267] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.875301][ T267] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.875303][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.875306][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.875308][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.875311][ T267] RIP: 0033:0x7f06950fa1b8 [ 16.875313][ T267] Code: Unable to access opcode bytes at 0x7f06950fa18e. Code starting with the faulting instruction =========================================== [ 16.875314][ T267] RSP: 002b:00007ffe11ac0b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.875317][ T267] RAX: ffffffffffffffda RBX: 00007f069522af88 RCX: 00007f06950fa1b8 [ 16.875319][ T267] RDX: 00007f0694e8b7c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 16.875319][ T267] RBP: 00007ffe11ac0bc0 R08: 0000000000000000 R09: 0000000000001010 [ 16.875320][ T267] R10: 00007ffe11ac09e0 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