====================================== | [ 9.855317][ T187] softirqs last disabled at (31650): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.855320][ T187] Preemption disabled at: | [ 9.855320][ T187] 0x0 | [ 9.855330][ T187] Tainted: [W]=WARN [ 9.855331][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.855333][ T187] Call Trace: [ 9.855334][ T187] [ 9.855336][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.855342][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.855347][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.855351][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.855356][ T187] __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)) [ 9.855359][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.855364][ T187] ? 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) [ 9.855367][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.855370][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.855373][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.855374][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.855380][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.855385][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.855391][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.855393][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.855396][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.855400][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.855404][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.855405][ T187] ? 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)) [ 9.855409][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.855411][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.855415][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.855419][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.855421][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.855426][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.855429][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.855431][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.855433][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.855437][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.855439][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.855442][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.855446][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.855450][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.855453][ T187] _printk (kernel/printk/printk.c:2504) [ 9.855457][ T187] ? snapshot_read.cold (user.c:?) [ 9.855460][ T187] ? 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) [ 9.855463][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.855467][ T187] ? 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) [ 9.855469][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.855473][ T187] ? exit_notify (kernel/exit.c:780) [ 9.855475][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.855478][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.855482][ T187] do_group_exit (kernel/exit.c:1151) [ 9.855485][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.855486][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.855489][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.855492][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.855495][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.855497][ T187] RIP: 0033:0x7fda5df7a1b8 [ 9.855499][ T187] Code: Unable to access opcode bytes at 0x7fda5df7a18e. Code starting with the faulting instruction =========================================== [ 9.855501][ T187] RSP: 002b:00007ffdd7b64308 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.855503][ T187] RAX: ffffffffffffffda RBX: 00007fda5e0aaf88 RCX: 00007fda5df7a1b8 [ 9.855505][ T187] RDX: 00007fda5dcc4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.855506][ T187] RBP: 00007ffdd7b64360 R08: 0000000000000000 R09: 0000000000008010 [ 9.855507][ T187] R10: 00007ffdd7b64120 R11: 0000000000000246 R12: 0000000000000001 [ 9.855507][ T187] R13: 0000000000000000 R14: 00007fda5e0a9680 R15: 00007fda5e0aafa0 | [ 17.332792][ T292] softirqs last disabled at (16395): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.332794][ T292] Preemption disabled at: | [ 17.332795][ T292] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.332804][ T292] Tainted: [W]=WARN [ 17.332805][ T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.332807][ T292] Call Trace: [ 17.332808][ T292] [ 17.332810][ T292] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.332816][ T292] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.332818][ T292] __might_resched.cold (kernel/sched/core.c:9234) [ 17.332823][ T292] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.332827][ T292] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.332832][ T292] __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)) [ 17.332834][ T292] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.332840][ T292] ? 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) [ 17.332843][ T292] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.332846][ T292] put_chars (drivers/char/virtio_console.c:1176) [ 17.332848][ T292] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.332850][ T292] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.332853][ T292] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.332857][ T292] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.332861][ T292] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.332863][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.332865][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.332870][ T292] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.332871][ T292] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.332874][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.332877][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.332881][ T292] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.332885][ T292] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.332887][ T292] ? 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)) [ 17.332890][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.332892][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.332896][ T292] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.332900][ T292] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.332902][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.332907][ T292] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.332910][ T292] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.332912][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.332914][ T292] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.332918][ T292] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.332920][ T292] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.332923][ T292] vprintk_emit (kernel/printk/printk.c:2479) [ 17.332927][ T292] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.332932][ T292] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 17.332935][ T292] _printk (kernel/printk/printk.c:2504) [ 17.332939][ T292] ? snapshot_read.cold (user.c:?) [ 17.332945][ T292] ? 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) [ 17.332948][ T292] gact_init_module (net/sched/act_gact.c:180) act_gact [ 17.332950][ T292] do_one_initcall (init/main.c:1357) [ 17.332953][ T292] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.332958][ T292] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.332961][ T292] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.332966][ T292] do_init_module (kernel/module/main.c:3117) [ 17.332969][ T292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.332974][ T292] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.332977][ T292] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.332981][ T292] load_module (kernel/module/main.c:3593) [ 17.332988][ T292] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.332992][ T292] ? __ia32_sys_fsconfig (??:?) [ 17.332995][ T292] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.332998][ T292] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.333002][ T292] init_module_from_file (kernel/module/main.c:3790) [ 17.333005][ T292] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.333013][ T292] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.333017][ T292] ? 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) [ 17.333020][ T292] idempotent_init_module (kernel/module/main.c:3802) [ 17.333023][ T292] ? init_module_from_file (kernel/module/main.c:3791) [ 17.333030][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.333032][ T292] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.333039][ T292] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.333041][ T292] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.333044][ T292] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.333046][ T292] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.333049][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.333051][ T292] RIP: 0033:0x7fd80452837d [ 17.333055][ T292] 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 [ 17.333056][ T292] RSP: 002b:00007fffea3cd1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.333059][ T292] RAX: ffffffffffffffda RBX: 0000555852726810 RCX: 00007fd80452837d [ 17.333060][ T292] RDX: 0000000000000000 RSI: 000055582acf4ffd RDI: 0000000000000000 [ 17.333061][ T292] RBP: 00007fffea3cd280 R08: 0000000000000000 R09: 0000000000000000 [ 17.333062][ T292] R10: 0000000000000000 R11: 0000000000000246 R12: 000055582acf4ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print