====================================== | [ 9.943334][ T215] softirqs last disabled at (48503): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.943337][ T215] Preemption disabled at: | [ 9.943337][ T215] 0x0 | [ 9.943347][ T215] Tainted: [W]=WARN [ 9.943348][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.943349][ T215] Call Trace: [ 9.943351][ T215] [ 9.943352][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.943359][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 9.943363][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.943367][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.943371][ T215] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.943373][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.943380][ T215] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.943382][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.943386][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 9.943388][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.943389][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.943393][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.943398][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.943405][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.943408][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.943410][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.943414][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.943418][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.943420][ T215] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.943423][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.943425][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.943429][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.943433][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.943434][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.943440][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.943444][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.943446][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.943447][ T215] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.943451][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.943453][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.943455][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 9.943459][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.943461][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.943465][ T215] _printk (kernel/printk/printk.c:2504) [ 9.943469][ T215] ? snapshot_read.cold (user.c:?) [ 9.943471][ T215] ? 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) [ 9.943474][ T215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.943478][ T215] ? 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) [ 9.943480][ T215] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.943484][ T215] ? exit_notify (kernel/exit.c:780) [ 9.943485][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.943488][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.943491][ T215] do_group_exit (kernel/exit.c:1151) [ 9.943494][ T215] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.943496][ T215] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.943498][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.943502][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.943505][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.943507][ T215] RIP: 0033:0x7f9d62d001b8 [ 9.943509][ T215] Code: Unable to access opcode bytes at 0x7f9d62d0018e. Code starting with the faulting instruction =========================================== [ 9.943510][ T215] RSP: 002b:00007ffe3902f588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.943513][ T215] RAX: ffffffffffffffda RBX: 00007f9d62e30f88 RCX: 00007f9d62d001b8 [ 9.943514][ T215] RDX: 00007f9d62a4afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.943515][ T215] RBP: 00007ffe3902f5e0 R08: 0000000000000000 R09: 0000000000008010 [ 9.943516][ T215] R10: 00007ffe3902f3a0 R11: 0000000000000246 R12: 0000000000000001 [ 9.943517][ T215] R13: 0000000000000000 R14: 00007f9d62e2f680 R15: 00007f9d62e30fa0 | [ 11.202082][ T281] softirqs last disabled at (16537): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.202084][ T281] Preemption disabled at: | [ 11.202085][ T281] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.202093][ T281] Tainted: [W]=WARN [ 11.202094][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.202095][ T281] Call Trace: [ 11.202097][ T281] [ 11.202098][ T281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.202104][ T281] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.202106][ T281] __might_resched.cold (kernel/sched/core.c:9234) [ 11.202110][ T281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.202114][ T281] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.202118][ T281] __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)) [ 11.202120][ T281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.202126][ T281] ? 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) [ 11.202129][ T281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.202133][ T281] put_chars (drivers/char/virtio_console.c:1176) [ 11.202135][ T281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.202136][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.202140][ T281] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.202145][ T281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.202152][ T281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.202155][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.202157][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.202161][ T281] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.202165][ T281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.202167][ T281] ? 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)) [ 11.202170][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.202171][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.202175][ T281] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.202179][ T281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.202181][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.202187][ T281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.202189][ T281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.202191][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.202193][ T281] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.202196][ T281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.202198][ T281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.202201][ T281] vprintk_emit (kernel/printk/printk.c:2479) [ 11.202204][ T281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.202209][ T281] ? exit_u32 (./include/net/pkt_cls.h:188 ./include/net/pkt_cls.h:231 net/sched/cls_u32.c:1373) cls_u32 [ 11.202212][ T281] _printk (kernel/printk/printk.c:2504) [ 11.202215][ T281] ? snapshot_read.cold (user.c:?) [ 11.202221][ T281] ? 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) [ 11.202225][ T281] init_u32 (net/sched/cls_u32.c:1370) cls_u32 [ 11.202228][ T281] do_one_initcall (init/main.c:1357) [ 11.202231][ T281] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.202235][ T281] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.202238][ T281] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.202243][ T281] do_init_module (kernel/module/main.c:3117) [ 11.202246][ T281] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.202250][ T281] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.202253][ T281] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.202256][ T281] load_module (kernel/module/main.c:3593) [ 11.202261][ T281] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 11.202266][ T281] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.202271][ T281] ? __ia32_sys_fsconfig (??:?) [ 11.202275][ T281] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.202279][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.202282][ T281] init_module_from_file (kernel/module/main.c:3790) [ 11.202284][ T281] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.202292][ T281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.202295][ T281] ? 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) [ 11.202298][ T281] idempotent_init_module (kernel/module/main.c:3802) [ 11.202301][ T281] ? init_module_from_file (kernel/module/main.c:3791) [ 11.202306][ T281] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.202308][ T281] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 11.202314][ T281] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.202315][ T281] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.202319][ T281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.202322][ T281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.202324][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.202326][ T281] RIP: 0033:0x7f86f70cc37d [ 11.202329][ T281] 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 [ 11.202331][ T281] RSP: 002b:00007ffc856a6138 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.202333][ T281] RAX: ffffffffffffffda RBX: 00005578198a6810 RCX: 00007f86f70cc37d [ 11.202334][ T281] RDX: 0000000000000000 RSI: 00005578151dfffd RDI: 0000000000000000 [ 11.202335][ T281] RBP: 00007ffc856a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.202336][ T281] R10: 0000000000000000 R11: 0000000000000246 R12: 00005578151dfffd [ 11.202337][ T281] R13: 00005578198a6950 R14: 0000000000040000 R15: 0000000000000000 | [ 25.808112][ T879] softirqs last disabled at (31451): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.808115][ T879] Preemption disabled at: | [ 25.808115][ T879] 0x0 | [ 25.808126][ T879] Tainted: [W]=WARN [ 25.808126][ T879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.808128][ T879] Call Trace: [ 25.808129][ T879] [ 25.808131][ T879] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.808138][ T879] __might_resched.cold (kernel/sched/core.c:9234) [ 25.808142][ T879] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.808146][ T879] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.808150][ T879] __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)) [ 25.808152][ T879] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.808159][ T879] ? 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) [ 25.808162][ T879] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.808165][ T879] put_chars (drivers/char/virtio_console.c:1176) [ 25.808167][ T879] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.808169][ T879] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.808172][ T879] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.808177][ T879] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.808185][ T879] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.808188][ T879] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.808190][ T879] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.808193][ T879] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.808197][ T879] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.808199][ T879] ? 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)) [ 25.808202][ T879] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.808204][ T879] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.808208][ T879] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.808212][ T879] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.808214][ T879] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.808219][ T879] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.808222][ T879] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.808224][ T879] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.808225][ T879] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.808229][ T879] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.808231][ T879] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.808233][ T879] vprintk_emit (kernel/printk/printk.c:2479) [ 25.808237][ T879] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.808240][ T879] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.808243][ T879] _printk (kernel/printk/printk.c:2504) [ 25.808247][ T879] ? snapshot_read.cold (user.c:?) [ 25.808249][ T879] ? 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) [ 25.808252][ T879] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.808256][ T879] ? 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) [ 25.808259][ T879] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.808262][ T879] ? exit_notify (kernel/exit.c:780) [ 25.808264][ T879] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.808266][ T879] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.808272][ T879] do_group_exit (kernel/exit.c:1151) [ 25.808275][ T879] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.808277][ T879] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.808279][ T879] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.808283][ T879] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.808286][ T879] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.808288][ T879] RIP: 0033:0x7f18804621b8 [ 25.808290][ T879] Code: Unable to access opcode bytes at 0x7f188046218e. Code starting with the faulting instruction =========================================== [ 25.808291][ T879] RSP: 002b:00007ffe2a418ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.808294][ T879] RAX: ffffffffffffffda RBX: 00007f1880592f88 RCX: 00007f18804621b8 [ 25.808295][ T879] RDX: 00007f1880372dc8 RSI: fffffffffffffc30 RDI: 0000000000000000 [ 25.808296][ T879] RBP: 00007ffe2a418d00 R08: 0000000000000000 R09: 0000000000000030 [ 25.808297][ T879] R10: 00007ffe2a418b00 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars