====================================== | [ 10.047478][ T218] softirqs last disabled at (28633): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.047480][ T218] Preemption disabled at: | [ 10.047481][ T218] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.047489][ T218] Tainted: [W]=WARN [ 10.047490][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.047495][ T218] Call Trace: [ 10.047496][ T218] [ 10.047498][ T218] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.047503][ T218] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.047505][ T218] __might_resched.cold (kernel/sched/core.c:9234) [ 10.047510][ T218] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.047514][ T218] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.047518][ T218] __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)) [ 10.047520][ T218] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.047527][ T218] ? 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) [ 10.047529][ T218] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.047533][ T218] put_chars (drivers/char/virtio_console.c:1176) [ 10.047534][ T218] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.047537][ T218] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.047540][ T218] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.047543][ T218] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.047547][ T218] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.047551][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.047553][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.047557][ T218] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.047559][ T218] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.047562][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.047564][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.047568][ T218] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.047572][ T218] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.047574][ T218] ? 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)) [ 10.047577][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.047578][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.047582][ T218] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.047586][ T218] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.047588][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.047593][ T218] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.047596][ T218] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.047597][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.047599][ T218] ? 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) [ 10.047603][ T218] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.047604][ T218] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.047607][ T218] vprintk_emit (kernel/printk/printk.c:2479) [ 10.047610][ T218] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.047615][ T218] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 10.047617][ T218] _printk (kernel/printk/printk.c:2504) [ 10.047621][ T218] ? snapshot_read.cold (user.c:?) [ 10.047627][ T218] ? 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) [ 10.047630][ T218] gact_init_module (net/sched/act_gact.c:180) act_gact [ 10.047632][ T218] do_one_initcall (init/main.c:1357) [ 10.047635][ T218] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.047639][ T218] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.047642][ T218] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.047647][ T218] do_init_module (kernel/module/main.c:3117) [ 10.047650][ T218] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.047654][ T218] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.047657][ T218] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.047660][ T218] load_module (kernel/module/main.c:3593) [ 10.047665][ T218] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.047670][ T218] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.047673][ T218] ? __ia32_sys_fsconfig (??:?) [ 10.047676][ T218] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.047680][ T218] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.047683][ T218] init_module_from_file (kernel/module/main.c:3790) [ 10.047686][ T218] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.047693][ T218] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.047696][ T218] ? 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) [ 10.047699][ T218] idempotent_init_module (kernel/module/main.c:3802) [ 10.047702][ T218] ? init_module_from_file (kernel/module/main.c:3791) [ 10.047707][ T218] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.047710][ T218] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 10.047715][ T218] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.047716][ T218] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.047720][ T218] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.047723][ T218] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.047726][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.047728][ T218] RIP: 0033:0x7f4ceba9e37d [ 10.047731][ T218] 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 [ 10.047733][ T218] RSP: 002b:00007fff67b47168 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.047735][ T218] RAX: ffffffffffffffda RBX: 000055d29197d810 RCX: 00007f4ceba9e37d [ 10.047736][ T218] RDX: 0000000000000000 RSI: 000055d260f19ffd RDI: 0000000000000000 [ 10.047737][ T218] RBP: 00007fff67b47200 R08: 0000000000000000 R09: 0000000000000000 [ 10.047738][ T218] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d260f19ffd [ 10.047739][ T218] R13: 000055d29197d960 R14: 0000000000040000 R15: 0000000000000000 | [ 11.553863][ T301] softirqs last disabled at (30869): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.553866][ T301] Preemption disabled at: | [ 11.553866][ T301] 0x0 | [ 11.553876][ T301] Tainted: [W]=WARN [ 11.553877][ T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.553878][ T301] Call Trace: [ 11.553880][ T301] [ 11.553881][ T301] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.553887][ T301] __might_resched.cold (kernel/sched/core.c:9234) [ 11.553892][ T301] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.553896][ T301] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.553900][ T301] __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)) [ 11.553902][ T301] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.553908][ T301] ? 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) [ 11.553911][ T301] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.553915][ T301] put_chars (drivers/char/virtio_console.c:1176) [ 11.553917][ T301] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.553918][ T301] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.553921][ T301] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.553926][ T301] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.553934][ T301] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.553937][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.553939][ T301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.553942][ T301] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.553946][ T301] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.553948][ T301] ? 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)) [ 11.553951][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.553953][ T301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.553957][ T301] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.553961][ T301] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.553963][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.553968][ T301] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.553971][ T301] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.553972][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.553974][ T301] ? 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) [ 11.553978][ T301] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.553979][ T301] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.553982][ T301] vprintk_emit (kernel/printk/printk.c:2479) [ 11.553985][ T301] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.553988][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.553991][ T301] _printk (kernel/printk/printk.c:2504) [ 11.553995][ T301] ? snapshot_read.cold (user.c:?) [ 11.553997][ T301] ? 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) [ 11.554000][ T301] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.554004][ T301] ? 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) [ 11.554006][ T301] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.554010][ T301] ? exit_notify (kernel/exit.c:780) [ 11.554011][ T301] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.554014][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.554017][ T301] do_group_exit (kernel/exit.c:1151) [ 11.554020][ T301] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.554022][ T301] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.554024][ T301] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.554028][ T301] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.554031][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.554033][ T301] RIP: 0033:0x7f9bcb2d11b8 [ 11.554035][ T301] Code: Unable to access opcode bytes at 0x7f9bcb2d118e. Code starting with the faulting instruction =========================================== [ 11.554036][ T301] RSP: 002b:00007ffceb636c98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.554039][ T301] RAX: ffffffffffffffda RBX: 00007f9bcb401f88 RCX: 00007f9bcb2d11b8 [ 11.554040][ T301] RDX: 00007f9bcb01bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.554041][ T301] RBP: 00007ffceb636cf0 R08: 0000000000000000 R09: 0000000000008010 [ 11.554042][ T301] R10: 00007ffceb636ab0 R11: 0000000000000246 R12: 0000000000000001 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