====================================== | [ 24.798938][ C0] #1: ffffffffadd77d20 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2)) | [ 24.799136][ C0] #2: ffffffffadd77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2)) | [ 24.799332][ C0] | [ 24.799332][ C0] stack backtrace: [ 24.799479][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.799481][ C0] Call Trace: [ 24.799483][ C0] [ 24.799484][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.799489][ C0] print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042) [ 24.799492][ C0] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 24.799496][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267) [ 24.799497][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37)) [ 24.799500][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697) [ 24.799502][ C0] ? save_trace (kernel/locking/lockdep.c:589) [ 24.799503][ C0] ? migrate_vma_insert_page.isra.0 (mm/migrate_device.c:1055) [ 24.799508][ C0] mark_lock (kernel/locking/lockdep.c:4753) [ 24.799509][ C0] mark_usage (kernel/locking/lockdep.c:4642) [ 24.799511][ C0] __lock_acquire (kernel/locking/lockdep.c:5191) [ 24.799512][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 24.799514][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2)) [ 24.799516][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 24.799518][ C0] ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred [ 24.799520][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 24.799522][ C0] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 24.799524][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 24.799526][ C0] ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred [ 24.799527][ C0] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred [ 24.799529][ C0] tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378) [ 24.799531][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2)) [ 24.799533][ C0] rcu_do_batch (kernel/rcu/tree.c:2617) [ 24.799535][ C0] ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19)) [ 24.799538][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2)) [ 24.799539][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 24.799541][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6)) [ 24.799542][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1)) [ 24.799545][ C0] rcu_core (kernel/rcu/tree.c:2869) [ 24.799547][ C0] handle_softirqs (kernel/softirq.c:622) [ 24.799548][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.799551][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 24.799553][ C0] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1)) [ 24.799555][ C0] __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735) [ 24.799556][ C0] irq_exit_rcu (kernel/softirq.c:752) [ 24.799558][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37)) [ 24.799560][ C0] [ 24.799560][ C0] [ 24.799561][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697) [ 24.799563][ C0] RIP: 0010:lock_acquire.part.0 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) kernel/locking/lockdep.c:5871 (discriminator 1)) [ 24.799565][ C0] Code: ff 65 0f c1 05 37 d9 33 04 83 f8 01 4c 8b 14 24 0f 85 30 01 00 00 9c 58 f6 c4 02 0f 85 4d 01 00 00 4d 85 d2 0f 85 16 01 00 00 <48> 8b 44 24 30 65 48 2b 05 a9 92 33 04 0f 85 43 01 00 00 48 83 c4 All code ======== 0: ff 65 0f jmp *0xf(%rbp) 3: c1 05 37 d9 33 04 83 roll $0x83,0x433d937(%rip) # 0x433d941 a: f8 clc b: 01 4c 8b 14 add %ecx,0x14(%rbx,%rcx,4) f: 24 0f and $0xf,%al 11: 85 30 test %esi,(%rax) 13: 01 00 add %eax,(%rax) 15: 00 9c 58 f6 c4 02 0f add %bl,0xf02c4f6(%rax,%rbx,2) 1c: 85 4d 01 test %ecx,0x1(%rbp) 1f: 00 00 add %al,(%rax) 21: 4d 85 d2 test %r10,%r10 24: 0f 85 16 01 00 00 jne 0x140 2a:* 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction 2f: 65 48 2b 05 a9 92 33 sub %gs:0x43392a9(%rip),%rax # 0x43392e0 36: 04 37: 0f 85 43 01 00 00 jne 0x180 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c4 .byte 0xc4 Code starting with the faulting instruction =========================================== 0: 48 8b 44 24 30 mov 0x30(%rsp),%rax 5: 65 48 2b 05 a9 92 33 sub %gs:0x43392a9(%rip),%rax # 0x43392b6 c: 04 d: 0f 85 43 01 00 00 jne 0x156 13: 48 rex.W 14: 83 .byte 0x83 15: c4 .byte 0xc4 [ 24.799567][ C0] RSP: 0018:ffa0000000676b88 EFLAGS: 00000206 [ 24.799569][ C0] RAX: 0000000000000046 RBX: 0000000000000000 RCX: c61a23518730cab9 [ 24.799571][ C0] RDX: 0000000000000001 RSI: ffffffffad7ebde8 RDI: ffffffffad26f6c0 [ 24.799572][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ff110000117aae58 [ 24.799573][ C0] R10: 0000000000000200 R11: 0000000000000001 R12: ffffffffadd77d20 [ 24.799573][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 24.799576][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 24.799578][ C0] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 24.799580][ C0] unwind_next_frame (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2)) [ 24.799581][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2)) [ 24.799582][ C0] ? path_openat (fs/namei.c:4858) [ 24.799586][ C0] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 24.799587][ C0] ? mark_usage (kernel/locking/lockdep.c:4674) [ 24.799589][ C0] ? __unwind_start (arch/x86/kernel/unwind_orc.c:787) [ 24.799590][ C0] ? write_profile (profile.c:?) [ 24.799593][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 24.799597][ C0] ? path_openat (fs/namei.c:4858) [ 24.799599][ C0] stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 24.799601][ C0] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 24.799603][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 arch/x86/kernel/unwind_orc.c:495) [ 24.799605][ C0] kasan_save_stack (mm/kasan/common.c:57) [ 24.799608][ C0] ? kasan_save_stack (mm/kasan/common.c:57) [ 24.799610][ C0] ? kasan_save_track (mm/kasan/common.c:78) [ 24.799611][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366) [ 24.799613][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4570 mm/slub.c:4899 mm/slub.c:4906) [ 24.799616][ C0] ? __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1)) [ 24.799617][ C0] ? __create_object (mm/kmemleak.c:779) [ 24.799618][ C0] ? __kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:5295 mm/slub.c:5308) [ 24.799620][ C0] ? virtqueue_add_split (./include/linux/slab.h:954 drivers/virtio/virtio_ring.c:561 drivers/virtio/virtio_ring.c:636) [ 24.799623][ C0] ? virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2796 (discriminator 7) drivers/virtio/virtio_ring.c:2835 (discriminator 7)) [ 24.799625][ C0] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1458) [ 24.799627][ C0] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1517) [ 24.799628][ C0] ? __fuse_simple_request (fs/fuse/dev.c:602 fs/fuse/dev.c:699) [ 24.799631][ C0] ? fuse_send_open (fs/fuse/fuse_i.h:1262 fs/fuse/file.c:52) [ 24.799632][ C0] ? fuse_file_open (fs/fuse/file.c:164) [ 24.799634][ C0] ? fuse_open (fs/fuse/file.c:194 fs/fuse/file.c:283) [ 24.799636][ C0] ? do_dentry_open (fs/open.c:947) [ 24.799638][ C0] ? vfs_open (fs/open.c:1079) [ 24.799639][ C0] ? backing_file_open (fs/backing-file.c:47) [ 24.799641][ C0] ? ovl_open_realfile (fs/overlayfs/file.c:51 (discriminator 1)) [ 24.799643][ C0] ? ovl_open (fs/overlayfs/file.c:222) [ 24.799645][ C0] ? do_dentry_open (fs/open.c:947) [ 24.799646][ C0] ? vfs_open (fs/open.c:1079) [ 24.799648][ C0] ? do_open (fs/namei.c:4699) [ 24.799650][ C0] ? path_openat (fs/namei.c:4858) [ 24.799654][ C0] kasan_save_track (mm/kasan/common.c:78) [ 24.799656][ C0] __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366) [ 24.799658][ C0] kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4570 mm/slub.c:4899 mm/slub.c:4906) [ 24.799660][ C0] ? ovl_open (fs/overlayfs/file.c:211) [ 24.799661][ C0] ? vfs_open (fs/open.c:1079) [ 24.799663][ C0] __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1)) [ 24.799665][ C0] ? virtqueue_add_split (./include/linux/slab.h:954 drivers/virtio/virtio_ring.c:561 drivers/virtio/virtio_ring.c:636) [ 24.799667][ C0] __create_object (mm/kmemleak.c:779) [ 24.799668][ C0] ? virtqueue_add_split (./include/linux/slab.h:954 drivers/virtio/virtio_ring.c:561 drivers/virtio/virtio_ring.c:636) [ 24.799670][ C0] __kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:5295 mm/slub.c:5308) [ 24.799672][ C0] virtqueue_add_split (./include/linux/slab.h:954 drivers/virtio/virtio_ring.c:561 drivers/virtio/virtio_ring.c:636) [ 24.799675][ C0] ? virtqueue_add_packed (drivers/virtio/virtio_ring.c:1677) [ 24.799677][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.799680][ C0] virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2796 (discriminator 7) drivers/virtio/virtio_ring.c:2835 (discriminator 7)) [ 24.799683][ C0] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1458) [ 24.799685][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 24.799686][ C0] ? fuse_open (fs/fuse/file.c:194 fs/fuse/file.c:283) [ 24.799688][ C0] ? virtio_fs_probe (./include/linux/virtio_config.h:371) [ 24.799690][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 24.799692][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 24.799694][ C0] ? __create_object (mm/kmemleak.c:785 (discriminator 3)) [ 24.799695][ C0] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 22)) [ 24.799698][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.799707][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.799709][ C0] virtio_fs_send_req (fs/fuse/virtio_fs.c:1517) [ 24.799711][ C0] __fuse_simple_request (fs/fuse/dev.c:602 fs/fuse/dev.c:699) [ 24.799713][ C0] fuse_send_open (fs/fuse/fuse_i.h:1262 fs/fuse/file.c:52) [ 24.799716][ C0] ? fuse_folios_need_send (fs/fuse/file.c:2191) [ 24.799719][ C0] ? __init_waitqueue_head (kernel/sched/wait.c:12) [ 24.799722][ C0] ? fuse_file_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:2031 fs/fuse/file.c:77) [ 24.799724][ C0] fuse_file_open (fs/fuse/file.c:164) [ 24.799727][ C0] fuse_open (fs/fuse/file.c:194 fs/fuse/file.c:283) [ 24.799729][ C0] ? fuse_finish_open (fs/fuse/file.c:234) [ 24.799731][ C0] do_dentry_open (fs/open.c:947) [ 24.799733][ C0] vfs_open (fs/open.c:1079) [ 24.799735][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.799737][ C0] backing_file_open (fs/backing-file.c:47) [ 24.799739][ C0] ovl_open_realfile (fs/overlayfs/file.c:51 (discriminator 1)) [ 24.799741][ C0] ovl_open (fs/overlayfs/file.c:222) [ 24.799743][ C0] ? ovl_llseek (fs/overlayfs/file.c:255) [ 24.799745][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.799746][ C0] ? ovl_llseek (fs/overlayfs/file.c:255) [ 24.799748][ C0] do_dentry_open (fs/open.c:947) [ 24.799751][ C0] vfs_open (fs/open.c:1079) [ 24.799753][ C0] ? may_open (fs/namei.c:4276) [ 24.799754][ C0] ? lookup_open.isra.0 (fs/namei.c:4504) [ 24.799756][ C0] do_open (fs/namei.c:4699) [ 24.799758][ C0] ? init_file.isra.0 (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 ./include/linux/file_ref.h:61 fs/file_table.c:229) [ 24.799760][ C0] path_openat (fs/namei.c:4858) [ 24.799761][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 24.799763][ C0] ? kernel_tmpfile_open (fs/namei.c:4800) [ 24.799765][ C0] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 24.799767][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 24.799769][ C0] do_file_open (fs/namei.c:4887) [ 24.799771][ C0] ? path_openat (./include/linux/mount.h:68 (discriminator 3)) [ 24.799774][ C0] ? page_get_link_raw (fs/namei.c:6328) [ 24.799776][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.799778][ C0] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1)) [ 24.799779][ C0] ? alloc_fd (./include/linux/spinlock.h:390 fs/file.c:611) [ 24.799782][ C0] do_sys_openat2 (fs/open.c:1364 (discriminator 5)) [ 24.799784][ C0] ? build_open_flags (fs/open.c:1212) [ 24.799786][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 24.799788][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.799791][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 24.799793][ C0] __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381) [ 24.799795][ C0] ? fput_close_sync (fs/file_table.c:615) [ 24.799797][ C0] ? __ia32_sys_open (fs/open.c:1374) [ 24.799799][ C0] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 24.799801][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 24.799803][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.799804][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.799806][ C0] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 24.799807][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 24.799809][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.799811][ C0] RIP: 0033:0x7f96c8386625 [ 24.799813][ C0] Code: 48 89 e5 48 89 55 e0 41 83 e2 40 75 28 89 f2 f7 d2 81 e2 00 00 41 00 74 1c 89 f2 bf 9c ff ff ff 48 89 c6 b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 5d c3 90 48 8d 4d 10 c7 45 b8 10 00 00 00 All code ======== 0: 48 89 e5 mov %rsp,%rbp 3: 48 89 55 e0 mov %rdx,-0x20(%rbp) 7: 41 83 e2 40 and $0x40,%r10d b: 75 28 jne 0x35 d: 89 f2 mov %esi,%edx f: f7 d2 not %edx 11: 81 e2 00 00 41 00 and $0x410000,%edx 17: 74 1c je 0x35 19: 89 f2 mov %esi,%edx 1b: bf 9c ff ff ff mov $0xffffff9c,%edi 20: 48 89 c6 mov %rax,%rsi 23: b8 01 01 00 00 mov $0x101,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 23 ja 0x55 32: 5d pop %rbp 33: c3 ret 34: 90 nop 35: 48 8d 4d 10 lea 0x10(%rbp),%rcx 39: c7 45 b8 10 00 00 00 movl $0x10,-0x48(%rbp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 23 ja 0x2b 8: 5d pop %rbp 9: c3 ret a: 90 nop b: 48 8d 4d 10 lea 0x10(%rbp),%rcx f: c7 45 b8 10 00 00 00 movl $0x10,-0x48(%rbp) [ 24.799814][ C0] RSP: 002b:00007ffca0de8d90 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 24.799816][ C0] RAX: ffffffffffffffda RBX: 00007ffca0de9020 RCX: 00007f96c8386625 [ 24.799817][ C0] RDX: 0000000000080000 RSI: 00007ffca0de8e10 RDI: 00000000ffffff9c [ 24.799818][ C0] RBP: 00007ffca0de8d90 R08: 00007ffca0de9007 R09: 0000000000000000 [ 24.799818][ C0] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca0de8e10 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock