====================================== | [ 8.839330][ T179] softirqs last disabled at (39591): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.839332][ T179] Preemption disabled at: | [ 8.839333][ T179] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.839342][ T179] Tainted: [W]=WARN [ 8.839343][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.839344][ T179] Call Trace: [ 8.839346][ T179] [ 8.839347][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.839353][ T179] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.839355][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 8.839359][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.839363][ 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) [ 8.839368][ 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)) [ 8.839370][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.839376][ 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) [ 8.839378][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.839382][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 8.839384][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.839386][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.839390][ T179] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.839393][ T179] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.839397][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.839400][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839405][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.839408][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839412][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.839416][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.839418][ 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)) [ 8.839421][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839423][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.839427][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.839431][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.839433][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839437][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.839440][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.839442][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839444][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.839447][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.839449][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.839452][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 8.839456][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.839461][ T179] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 8.839465][ T179] _printk (kernel/printk/printk.c:2504) [ 8.839469][ T179] ? snapshot_read.cold (user.c:?) [ 8.839474][ 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) [ 8.839478][ T179] ppp_init (ppp_generic.mod.c:?) ppp_generic [ 8.839481][ T179] do_one_initcall (init/main.c:1357) [ 8.839484][ T179] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 8.839488][ T179] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 8.839491][ T179] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 8.839499][ T179] do_init_module (kernel/module/main.c:3117) [ 8.839503][ T179] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.839507][ T179] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 8.839510][ T179] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 8.839513][ T179] load_module (kernel/module/main.c:3593) [ 8.839522][ T179] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 8.839527][ T179] ? backing_file_read_iter (fs/backing-file.c:211) [ 8.839530][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.839534][ T179] init_module_from_file (kernel/module/main.c:3790) [ 8.839537][ T179] ? __do_sys_init_module (kernel/module/main.c:3664) [ 8.839545][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.839548][ 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) [ 8.839551][ T179] idempotent_init_module (kernel/module/main.c:3802) [ 8.839555][ T179] ? init_module_from_file (kernel/module/main.c:3791) [ 8.839561][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839563][ T179] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.839569][ T179] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 8.839572][ T179] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.839575][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.839578][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.839580][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.839582][ T179] RIP: 0033:0x7f2daef7a37d [ 8.839586][ 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 [ 8.839588][ T179] RSP: 002b:00007ffed7a48a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8.839590][ T179] RAX: ffffffffffffffda RBX: 000055bb166741d0 RCX: 00007f2daef7a37d [ 8.839591][ T179] RDX: 0000000000000000 RSI: 000055bb0bed8ffd RDI: 0000000000000006 [ 8.839592][ T179] RBP: 00007ffed7a48ac0 R08: 0000000000000000 R09: 0000000000000000 [ 8.839593][ T179] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb0bed8ffd [ 8.839594][ T179] R13: 000055bb16674180 R14: 0000000000040000 R15: 0000000000000000 | [ 14.004284][ T241] softirqs last disabled at (1711277): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.004286][ T241] Preemption disabled at: | [ 14.004287][ T241] 0x0 | [ 14.004297][ T241] Tainted: [W]=WARN [ 14.004297][ T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.004299][ T241] Call Trace: [ 14.004301][ T241] [ 14.004302][ T241] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.004309][ T241] __might_resched.cold (kernel/sched/core.c:9234) [ 14.004313][ T241] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.004317][ T241] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.004322][ T241] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.004324][ T241] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.004330][ T241] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.004333][ T241] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.004336][ T241] put_chars (drivers/char/virtio_console.c:1176) [ 14.004338][ T241] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.004340][ T241] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.004343][ T241] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.004347][ T241] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.004350][ T241] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.004353][ T241] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.004356][ T241] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.004358][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.004360][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.004363][ T241] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.004366][ T241] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.004369][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.004371][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.004375][ T241] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.004378][ T241] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.004380][ T241] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.004384][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.004386][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.004390][ T241] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.004394][ T241] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.004395][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.004400][ T241] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.004403][ T241] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.004405][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.004407][ T241] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.004411][ T241] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.004412][ T241] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.004415][ T241] vprintk_emit (kernel/printk/printk.c:2479) [ 14.004419][ T241] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.004422][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.004426][ T241] _printk (kernel/printk/printk.c:2504) [ 14.004429][ T241] ? snapshot_read.cold (user.c:?) [ 14.004432][ T241] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 14.004434][ T241] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.004438][ T241] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 14.004441][ T241] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.004445][ T241] ? exit_notify (kernel/exit.c:780) [ 14.004449][ T241] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 14.004451][ T241] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 14.004454][ T241] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.004457][ T241] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.004460][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.004463][ T241] RIP: 0033:0x7fa04220ec49 [ 14.004465][ T241] Code: Unable to access opcode bytes at 0x7fa04220ec1f. Code starting with the faulting instruction =========================================== [ 14.004466][ T241] RSP: 002b:00007fa0419cde60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 14.004469][ T241] RAX: ffffffffffffffda RBX: 00007fa0419ce6c0 RCX: 00007fa04220ec49 [ 14.004470][ T241] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 14.004471][ T241] RBP: 00007fa0419cdf70 R08: 0000000000000001 R09: 00007fa0419ce6c0 [ 14.004472][ T241] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fa0411ce000 [ 14.004473][ T241] R13: 00007fffd7c2be70 R14: 0000000000000002 R15: 00007fffd7c2bf77 | [ 14.140280][ T245] | [ 14.140281][ T245] | [ 14.140281][ T245] stack backtrace: | [ 14.140286][ T245] Tainted: [W]=WARN [ 14.140287][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.140288][ T245] Call Trace: [ 14.140289][ T245] [ 14.140290][ T245] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.140294][ T245] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 14.140297][ T245] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 14.140298][ T245] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.140302][ T245] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.140305][ T245] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 14.140307][ T245] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 14.140308][ T245] check_prev_add (kernel/locking/lockdep.c:3185) [ 14.140310][ T245] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 14.140312][ T245] __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.140315][ T245] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.140316][ T245] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.140318][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140320][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.140322][ T245] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.140324][ T245] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.140325][ T245] console_emit_next_record (kernel/printk/printk.c:3177) [ 14.140327][ T245] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.140329][ T245] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.140330][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140332][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.140334][ T245] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.140336][ T245] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.140338][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.140340][ T245] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.140342][ T245] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.140343][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140345][ T245] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.140347][ T245] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.140348][ T245] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.140350][ T245] vprintk_emit (kernel/printk/printk.c:2479) [ 14.140352][ T245] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.140354][ T245] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 14.140356][ T245] _printk (kernel/printk/printk.c:2504) [ 14.140358][ T245] ? snapshot_read.cold (user.c:?) [ 14.140360][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.140361][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.140362][ T245] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.140364][ T245] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.140365][ T245] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 14.140367][ T245] ? netdev_crit (net/core/dev.c:13191) [ 14.140368][ T245] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.140369][ T245] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 14.140372][ T245] ? idr_get_free (??:?) [ 14.140374][ T245] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 14.140377][ T245] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.140379][ T245] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.140381][ T245] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.140383][ T245] ? dev_nit_active_rcu (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/core/dev.c:2564 (discriminator 1)) [ 14.140386][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140388][ T245] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.140390][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140392][ T245] __dev_queue_xmit (net/core/dev.c:4926) [ 14.140394][ T245] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.140396][ T245] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.140397][ T245] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.140398][ T245] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.140400][ T245] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 14.140403][ T245] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 14.140404][ T245] ? dst_alloc (net/core/dst.c:94) [ 14.140406][ T245] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.140408][ T245] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 14.140409][ T245] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 14.140410][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.140412][ T245] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.140413][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.140415][ T245] ? ip_finish_output2 (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_output.c:229 (discriminator 2)) [ 14.140417][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140419][ T245] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.140421][ T245] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.140422][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.140424][ T245] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.140426][ T245] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.140428][ T245] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.140430][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.140431][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.140433][ T245] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 14.140435][ T245] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 14.140437][ T245] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 14.140441][ T245] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 14.140445][ T245] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 14.140448][ T245] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 14.140450][ T245] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 14.140451][ T245] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 14.140453][ T245] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 14.140455][ T245] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 14.140457][ T245] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.140459][ T245] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.140461][ T245] ? down_read_nested (kernel/locking/rwsem.c:1295 (discriminator 23) kernel/locking/rwsem.c:1304 (discriminator 23) kernel/locking/rwsem.c:1710 (discriminator 23)) [ 14.140462][ T245] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.140464][ T245] ? dev_nit_active_rcu (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/core/dev.c:2564 (discriminator 1)) [ 14.140466][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140468][ T245] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.140470][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140472][ T245] __dev_queue_xmit (net/core/dev.c:4926) [ 14.140474][ T245] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 14.140476][ T245] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 14.140478][ T245] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.140480][ T245] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.140481][ T245] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.140483][ T245] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.140485][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.140486][ T245] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.140488][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.140489][ T245] ? ip_finish_output2 (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_output.c:229 (discriminator 2)) [ 14.140491][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140493][ T245] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.140495][ T245] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.140496][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.140498][ T245] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.140500][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.140502][ T245] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.140504][ T245] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.140505][ T245] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 14.140508][ T245] ip_push_pending_frames (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4) net/ipv4/ip_output.c:1530 (discriminator 4)) [ 14.140510][ T245] raw_sendmsg (net/ipv4/raw.c:665) [ 14.140512][ T245] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 14.140513][ T245] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.140517][ T245] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.140527][ T245] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.140529][ T245] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.140531][ T245] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 14.140532][ T245] ? __ia32_sys_getpeername (net/socket.c:2235) [ 14.140536][ T245] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 14.140538][ T245] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.140540][ T245] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.140543][ T245] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.140544][ T245] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 14.140545][ T245] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.140547][ T245] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.140548][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.140550][ T245] RIP: 0033:0x7f31201da54e [ 14.140552][ T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.140554][ T245] RSP: 002b:00007fffeeb8c3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.140556][ T245] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f31201da54e [ 14.140557][ T245] RDX: 0000000000000040 RSI: 00005583809a70a4 RDI: 0000000000000005 [ 14.140558][ T245] RBP: 00007fffeeb8c3c0 R08: 00005583809b9320 R09: 0000000000000010 [ 14.140559][ T245] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 14.140560][ T245] R13: 0000000000000000 R14: 00005583809ba3e0 R15: 00005583809a70a0 | [ 15.147012][ T245] softirqs last disabled at (27216): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 15.147015][ T245] Preemption disabled at: | [ 15.147016][ T245] 0x0 | [ 15.147023][ T245] Tainted: [W]=WARN [ 15.147024][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.147025][ T245] Call Trace: [ 15.147026][ T245] [ 15.147027][ T245] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.147031][ T245] __might_resched.cold (kernel/sched/core.c:9234) [ 15.147035][ T245] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.147038][ T245] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 15.147041][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.147044][ T245] __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)) [ 15.147046][ T245] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.147048][ T245] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.147051][ T245] ? 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) [ 15.147053][ T245] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.147055][ T245] put_chars (drivers/char/virtio_console.c:1176) [ 15.147057][ T245] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.147059][ T245] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 15.147061][ T245] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.147064][ T245] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.147066][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.147067][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.147070][ T245] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.147072][ T245] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.147074][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.147075][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.147077][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.147078][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.147080][ T245] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 15.147082][ T245] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.147084][ T245] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.147087][ T245] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.147088][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.147090][ T245] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.147091][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.147093][ T245] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.147094][ T245] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.147095][ T245] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 15.147097][ T245] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.147099][ T245] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.147101][ T245] vprintk_emit (kernel/printk/printk.c:2479) [ 15.147103][ T245] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.147105][ T245] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 15.147106][ T245] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 15.147110][ T245] _printk (kernel/printk/printk.c:2504) [ 15.147112][ T245] ? snapshot_read.cold (user.c:?) [ 15.147114][ T245] ? 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) [ 15.147116][ T245] ? 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) [ 15.147117][ T245] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.147119][ T245] ? 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) [ 15.147121][ T245] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.147124][ T245] ? exit_notify (kernel/exit.c:780) [ 15.147125][ T245] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 15.147127][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.147129][ T245] do_group_exit (kernel/exit.c:1151) [ 15.147131][ T245] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.147132][ T245] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.147134][ T245] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.147137][ T245] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.147139][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.147141][ T245] RIP: 0033:0x7f312022b1b8 [ 15.147142][ T245] Code: Unable to access opcode bytes at 0x7f312022b18e. Code starting with the faulting instruction =========================================== [ 15.147143][ T245] RSP: 002b:00007fffeeb8db48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.147146][ T245] RAX: ffffffffffffffda RBX: 00007f312035bf88 RCX: 00007f312022b1b8 [ 15.147147][ T245] RDX: 00007f311ffbc7c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 15.147148][ T245] RBP: 00007fffeeb8dba0 R08: 0000000000000000 R09: 0000000000001010 [ 15.147149][ T245] R10: 00007fffeeb8d9c0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire __dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars