====================================== | [ 9.964586][ T169] softirqs last disabled at (18927): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.964589][ T169] Preemption disabled at: | [ 9.964589][ T169] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.964598][ T169] Tainted: [W]=WARN [ 9.964599][ T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.964601][ T169] Call Trace: [ 9.964602][ T169] [ 9.964604][ T169] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.964609][ T169] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.964611][ T169] __might_resched.cold (kernel/sched/core.c:9234) [ 9.964616][ T169] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.964620][ T169] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.964624][ T169] __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)) [ 9.964626][ T169] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.964632][ T169] ? 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) [ 9.964634][ T169] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.964637][ T169] put_chars (drivers/char/virtio_console.c:1176) [ 9.964640][ T169] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.964643][ T169] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.964648][ T169] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.964654][ T169] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.964657][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.964660][ T169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.964664][ T169] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.964668][ T169] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.964672][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.964674][ T169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.964677][ T169] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.964681][ T169] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.964683][ T169] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.964688][ T169] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.964690][ T169] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.964692][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.964694][ T169] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.964697][ T169] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.964698][ T169] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.964701][ T169] vprintk_emit (kernel/printk/printk.c:2479) [ 9.964705][ T169] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.964707][ T169] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.964711][ T169] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.964712][ T169] ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2)) [ 9.964717][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 9.964721][ T169] _printk (kernel/printk/printk.c:2504) [ 9.964725][ T169] ? snapshot_read.cold (user.c:?) [ 9.964728][ T169] ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1)) [ 9.964732][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 9.964736][ T169] ? configfs_register_subsystem (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 fs/configfs/dir.c:173 fs/configfs/dir.c:171 fs/configfs/dir.c:1929) [ 9.964741][ T169] init_netconsole (drivers/net/netconsole.c:1286) netconsole [ 9.964744][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 9.964751][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 9.964753][ T169] do_one_initcall (init/main.c:1357) [ 9.964757][ T169] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.964762][ T169] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.964765][ T169] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.964770][ T169] do_init_module (kernel/module/main.c:3117) [ 9.964774][ T169] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.964778][ T169] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.964781][ T169] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.964785][ T169] load_module (kernel/module/main.c:3593) [ 9.964791][ T169] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.964795][ T169] ? __ia32_sys_fsconfig (??:?) [ 9.964799][ T169] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.964802][ T169] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.964805][ T169] init_module_from_file (kernel/module/main.c:3790) [ 9.964809][ T169] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.964817][ T169] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.964820][ T169] ? 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) [ 9.964823][ T169] idempotent_init_module (kernel/module/main.c:3802) [ 9.964826][ T169] ? init_module_from_file (kernel/module/main.c:3791) [ 9.964832][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.964834][ T169] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.964840][ T169] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.964842][ T169] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.964846][ T169] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.964848][ T169] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.964851][ T169] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.964853][ T169] RIP: 0033:0x7ff7830da37d [ 9.964856][ T169] 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 [ 9.964858][ T169] RSP: 002b:00007ffce8ea66b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.964861][ T169] RAX: ffffffffffffffda RBX: 000055adcdde6700 RCX: 00007ff7830da37d [ 9.964862][ T169] RDX: 0000000000000000 RSI: 000055adb2484ffd RDI: 0000000000000005 [ 9.964863][ T169] RBP: 00007ffce8ea6750 R08: 0000000000000000 R09: 0000000000000000 [ 9.964864][ T169] R10: 0000000000000000 R11: 0000000000000246 R12: 000055adb2484ffd [ 9.964865][ T169] R13: 000055adcdde6810 R14: 0000000000040000 R15: 0000000000000000 | [ 11.072675][ T203] softirqs last disabled at (18159): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.072679][ T203] Preemption disabled at: | [ 11.072680][ T203] 0x0 | [ 11.072693][ T203] Tainted: [W]=WARN [ 11.072694][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.072697][ T203] Call Trace: [ 11.072699][ T203] [ 11.072701][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.072709][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 11.072716][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.072721][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.072728][ T203] __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)) [ 11.072731][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.072740][ T203] ? 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) [ 11.072744][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.072749][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 11.072753][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.072755][ T203] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.072761][ T203] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.072765][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.072772][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.072776][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.072778][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.072786][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.072791][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.072795][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.072802][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.072808][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.072815][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.072819][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.072825][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.072832][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.072834][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.072843][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.072847][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.072850][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.072853][ T203] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.072859][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.072862][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.072867][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 11.072873][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.072878][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.072884][ T203] _printk (kernel/printk/printk.c:2504) [ 11.072890][ T203] ? snapshot_read.cold (user.c:?) [ 11.072894][ T203] ? 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) [ 11.072898][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.072904][ T203] ? 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) [ 11.072909][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.072914][ T203] ? exit_notify (kernel/exit.c:780) [ 11.072917][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.072921][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.072928][ T203] do_group_exit (kernel/exit.c:1151) [ 11.072933][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.072937][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.072940][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.072945][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.072950][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.072953][ T203] RIP: 0033:0x7f8a03d9a1b8 [ 11.072956][ T203] Code: Unable to access opcode bytes at 0x7f8a03d9a18e. Code starting with the faulting instruction =========================================== [ 11.072958][ T203] RSP: 002b:00007ffcfa6a1478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.072962][ T203] RAX: ffffffffffffffda RBX: 00007f8a03ecaf88 RCX: 00007f8a03d9a1b8 [ 11.072964][ T203] RDX: 00007f8a03ae4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.072965][ T203] RBP: 00007ffcfa6a14d0 R08: 0000000000000000 R09: 0000000000000060 [ 11.072967][ T203] R10: 00007ffcfa6a1290 R11: 0000000000000246 R12: 0000000000000001 [ 11.072968][ T203] R13: 0000000000000000 R14: 00007f8a03ec9680 R15: 00007f8a03ecafa0 | [ 12.885590][ T245] softirqs last disabled at (19195): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.885593][ T245] Preemption disabled at: | [ 12.885593][ T245] 0x0 | [ 12.885604][ T245] Tainted: [W]=WARN [ 12.885605][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.885608][ T245] Call Trace: [ 12.885609][ T245] [ 12.885611][ T245] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.885617][ T245] __might_resched.cold (kernel/sched/core.c:9234) [ 12.885622][ T245] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.885626][ T245] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.885631][ 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)) [ 12.885634][ T245] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.885639][ 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) [ 12.885642][ T245] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.885646][ T245] put_chars (drivers/char/virtio_console.c:1176) [ 12.885649][ T245] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.885650][ T245] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.885654][ T245] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.885657][ T245] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.885661][ T245] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.885664][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.885666][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.885670][ T245] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.885674][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.885677][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.885680][ T245] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.885684][ T245] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.885689][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.885692][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.885696][ T245] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.885700][ T245] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.885702][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.885707][ T245] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.885710][ T245] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.885712][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.885714][ T245] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.885719][ T245] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.885720][ T245] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.885723][ T245] vprintk_emit (kernel/printk/printk.c:2479) [ 12.885727][ T245] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.885731][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.885735][ T245] _printk (kernel/printk/printk.c:2504) [ 12.885740][ T245] ? snapshot_read.cold (user.c:?) [ 12.885743][ 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) [ 12.885745][ T245] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.885749][ 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) [ 12.885752][ T245] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.885756][ T245] ? exit_notify (kernel/exit.c:780) [ 12.885758][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.885761][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.885765][ T245] do_group_exit (kernel/exit.c:1151) [ 12.885769][ T245] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.885772][ T245] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.885774][ T245] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.885778][ T245] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.885781][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.885784][ T245] RIP: 0033:0x7f07b6e7a1b8 [ 12.885786][ T245] Code: Unable to access opcode bytes at 0x7f07b6e7a18e. Code starting with the faulting instruction =========================================== [ 12.885787][ T245] RSP: 002b:00007ffdb381c238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.885790][ T245] RAX: ffffffffffffffda RBX: 00007f07b6faaf88 RCX: 00007f07b6e7a1b8 [ 12.885791][ T245] RDX: 00007f07b6cd7b48 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 12.885792][ T245] RBP: 00007ffdb381c290 R08: 0000000000000000 R09: 0000000000000001 [ 12.885793][ T245] R10: 00007ffdb381c0b0 R11: 0000000000000246 R12: 0000000000000002 [ 12.885794][ T245] R13: 0000000000000000 R14: 00007f07b6fa9680 R15: 00007f07b6faafa0 | [ 17.404750][ T157] softirqs last disabled at (617958): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2)) | [ 17.404753][ T157] Preemption disabled at: | [ 17.404754][ T157] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.404763][ T157] Tainted: [W]=WARN [ 17.404764][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.404766][ T157] Call Trace: [ 17.404768][ T157] [ 17.404769][ T157] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.404774][ T157] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.404777][ T157] __might_resched.cold (kernel/sched/core.c:9234) [ 17.404781][ T157] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.404785][ T157] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.404790][ T157] __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)) [ 17.404792][ T157] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.404797][ T157] ? 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) [ 17.404800][ T157] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.404803][ T157] put_chars (drivers/char/virtio_console.c:1176) [ 17.404806][ T157] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.404808][ T157] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 17.404811][ T157] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.404815][ T157] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.404820][ T157] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.404822][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.404824][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.404828][ T157] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.404830][ T157] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.404833][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.404836][ T157] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.404840][ T157] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.404844][ T157] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.404848][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.404850][ T157] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.404854][ T157] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.404859][ T157] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.404860][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.404865][ T157] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.404868][ T157] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.404870][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.404872][ T157] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.404876][ T157] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.404877][ T157] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.404880][ T157] vprintk_emit (kernel/printk/printk.c:2479) [ 17.404884][ T157] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.404887][ T157] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.404889][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.404890][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.404894][ T157] _printk (kernel/printk/printk.c:2504) [ 17.404898][ T157] ? snapshot_read.cold (user.c:?) [ 17.404901][ T157] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.404905][ T157] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.404908][ T157] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.404913][ T157] unregister_console_locked.cold (kernel/printk/printk.c:4244 (discriminator 7)) [ 17.404917][ T157] ? console_suspend (kernel/printk/printk.c:114 (discriminator 1)) [ 17.404923][ T157] ? console_list_lock (./include/linux/lockdep.h:249 ./include/linux/srcu.h:184 ./include/linux/srcu.h:180 kernel/printk/printk.c:260) [ 17.404924][ T157] unregister_console (kernel/printk/printk.c:4334) [ 17.404927][ T157] enabled_store (drivers/net/netconsole.c:975 drivers/net/netconsole.c:1089) netconsole [ 17.404930][ T157] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 17.404933][ T157] ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole [ 17.404935][ T157] ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20) [ 17.404937][ T157] ? __kmalloc_cache_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5559) [ 17.404939][ T157] ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1)) [ 17.404944][ T157] ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole [ 17.404946][ T157] configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229) [ 17.404948][ T157] ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1)) [ 17.404951][ T157] new_sync_write (fs/read_write.c:595) [ 17.404954][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.404957][ T157] ? new_sync_read (./include/linux/ioprio.h:41) [ 17.404960][ T157] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.404962][ T157] ? ksys_write (fs/read_write.c:739) [ 17.404968][ T157] vfs_write (fs/read_write.c:687) [ 17.404973][ T157] ksys_write (fs/read_write.c:739) [ 17.404976][ T157] ? __ia32_sys_read (fs/read_write.c:723) [ 17.404978][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.404981][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.404984][ T157] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.404987][ T157] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.404990][ T157] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.404993][ T157] RIP: 0033:0x7f03280b454e [ 17.404997][ T157] 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 [ 17.404999][ T157] RSP: 002b:00007ffc950872a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 17.405002][ T157] RAX: ffffffffffffffda RBX: 00007f0328235580 RCX: 00007f03280b454e [ 17.405004][ T157] RDX: 0000000000000002 RSI: 0000556a621bc0f0 RDI: 0000000000000001 [ 17.405005][ T157] RBP: 00007ffc950872b0 R08: 0000000000000000 R09: 0000000000000000 [ 17.405005][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars restore_fpregs_from_user:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print