====================================== | [ 21.992666][ C0] | [ 21.992666][ C0] | [ 21.992666][ C0] stack backtrace: | [ 21.992672][ C0] Tainted: [W]=WARN [ 21.992672][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.992674][ C0] Call Trace: [ 21.992675][ C0] [ 21.992676][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.992681][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 21.992684][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 21.992685][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 21.992688][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 21.992690][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 21.992692][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 21.992694][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.992696][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.992698][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992700][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.992703][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.992704][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.992706][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 21.992708][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.992710][ C0] ? 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)) [ 21.992712][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992713][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.992715][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.992718][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.992719][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.992722][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.992724][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.992725][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992727][ C0] ? 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) [ 21.992729][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.992731][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.992732][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 21.992734][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.992736][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 21.992738][ C0] _printk (kernel/printk/printk.c:2504) [ 21.992740][ C0] ? snapshot_read.cold (user.c:?) [ 21.992741][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 21.992743][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.992746][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 21.992747][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 21.992749][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 21.992751][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 21.992753][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 21.992755][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 21.992757][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.992759][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.992761][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.992763][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 21.992765][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 21.992767][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 21.992769][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.992772][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.992775][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 21.992777][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 21.992779][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992780][ C0] handle_softirqs (kernel/softirq.c:645) [ 21.992782][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.992784][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.992786][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 21.992788][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 21.992789][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 21.992791][ C0] [ 21.992791][ C0] [ 21.992792][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 21.992794][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12)) [ 21.992796][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 80 78 fd 48 89 df e8 49 d6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 d0 9e 6a fd 65 48 83 3d af ab 65 02 00 74 12 5b All code ======== 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 41 80 78 fd call 0xfffffffffd788054 13: 48 89 df mov %rbx,%rdi 16: e8 49 d6 78 fd call 0xfffffffffd78d664 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 1f jne 0x42 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 2f jne 0x59 2a:* bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 d0 9e 6a fd call 0xfffffffffd6a9f04 34: 65 48 83 3d af ab 65 cmpq $0x0,%gs:0x265abaf(%rip) # 0x265abec 3b: 02 00 3d: 74 12 je 0x51 3f: 5b pop %rbx Code starting with the faulting instruction =========================================== 0: bf 01 00 00 00 mov $0x1,%edi 5: e8 d0 9e 6a fd call 0xfffffffffd6a9eda a: 65 48 83 3d af ab 65 cmpq $0x0,%gs:0x265abaf(%rip) # 0x265abc2 11: 02 00 13: 74 12 je 0x27 15: 5b pop %rbx [ 21.992798][ C0] RSP: 0018:ffa0000000566fb8 EFLAGS: 00000246 [ 21.992800][ C0] RAX: 0000000000000092 RBX: ff11000001041440 RCX: ffffffffb07e1483 [ 21.992801][ C0] RDX: ff1100000f0123c0 RSI: ffffffffb1111011 RDI: ffffffffb0a949e0 [ 21.992802][ C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 21.992803][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff11000001041440 [ 21.992803][ C0] R13: ffd4000000307010 R14: ffd4000000307000 R15: ff1100000c1c1b88 [ 21.992805][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 21.992808][ C0] get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3)) [ 21.992811][ C0] ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1)) [ 21.992813][ C0] ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20)) [ 21.992814][ C0] kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010) [ 21.992816][ C0] ? pick_link (fs/namei.c:2068) [ 21.992817][ C0] ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1)) [ 21.992819][ C0] __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1)) [ 21.992821][ C0] __create_object (mm/kmemleak.c:801) [ 21.992822][ C0] __kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5413 mm/slub.c:5439) [ 21.992824][ C0] ? virtqueue_add_split (./include/linux/slab.h:995 drivers/virtio/virtio_ring.c:610 drivers/virtio/virtio_ring.c:685) [ 21.992826][ C0] virtqueue_add_split (./include/linux/slab.h:995 drivers/virtio/virtio_ring.c:610 drivers/virtio/virtio_ring.c:685) [ 21.992828][ C0] ? fuse_readlink_folio (fs/fuse/fuse_i.h:1012 fs/fuse/dir.c:1847) [ 21.992829][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.992831][ C0] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.992832][ C0] ? write_profile (profile.c:?) [ 21.992834][ C0] ? virtqueue_add_packed (drivers/virtio/virtio_ring.c:1720) [ 21.992836][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.992839][ C0] virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2839 (discriminator 7) drivers/virtio/virtio_ring.c:2878 (discriminator 7)) [ 21.992842][ C0] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1460) [ 21.992844][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.992845][ C0] ? pick_link (fs/namei.c:2068) [ 21.992847][ C0] ? virtio_fs_probe (./include/linux/virtio_config.h:371) [ 21.992849][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.992851][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992853][ C0] ? __create_object (mm/kmemleak.c:807 (discriminator 3)) [ 21.992856][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.992858][ C0] ? 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) [ 21.992860][ C0] virtio_fs_send_req (fs/fuse/virtio_fs.c:1519) [ 21.992862][ C0] fuse_chan_send (fs/fuse/dev.c:573 fs/fuse/dev.c:766 fs/fuse/dev.c:844) [ 21.992864][ C0] fuse_readlink_folio (fs/fuse/fuse_i.h:1012 fs/fuse/dir.c:1847) [ 21.992866][ C0] ? fuse_invalidate_attr_mask (fs/fuse/dir.c:314) [ 21.992867][ C0] ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4857 (discriminator 1)) [ 21.992869][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.992873][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.992876][ C0] fuse_get_link (fs/fuse/dir.c:1886) [ 21.992877][ C0] pick_link (fs/namei.c:2068) [ 21.992881][ C0] ? fuse_symlink_read_folio (./include/linux/page-flags.h:354) [ 21.992883][ C0] step_into_slowpath (fs/namei.c:2127) [ 21.992885][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992887][ C0] ? pick_link (fs/namei.c:2066) [ 21.992889][ C0] ? lookup_fast (fs/namei.c:1035 fs/namei.c:1031 fs/namei.c:1868) [ 21.992891][ C0] link_path_walk (fs/namei.c:2152 fs/namei.c:2288 fs/namei.c:2656) [ 21.992893][ C0] ? path_init (fs/namei.c:2720) [ 21.992895][ C0] ? vfs_rename (./include/linux/list.h:457 (discriminator 5)) [ 21.992897][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 21.992900][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.992902][ C0] path_lookupat (fs/namei.c:2812 (discriminator 1)) [ 21.992903][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 21.992906][ C0] filename_lookup (fs/namei.c:2842) [ 21.992908][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.992909][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.992911][ C0] ? may_linkat (fs/namei.c:1320) [ 21.992915][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.992916][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 21.992918][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.992920][ C0] vfs_statx (fs/stat.c:353) [ 21.992922][ C0] ? inode_sub_bytes (fs/stat.c:928) [ 21.992924][ C0] vfs_fstatat (fs/stat.c:373) [ 21.992925][ C0] __do_sys_newfstatat (fs/stat.c:538) [ 21.992927][ C0] ? vfs_fstatat (./include/linux/fs.h:2564 (discriminator 1)) [ 21.992928][ C0] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 21.992932][ 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) [ 21.992934][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992935][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.992937][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.992939][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.992941][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.992942][ C0] RIP: 0033:0x7fca03d1412e [ 21.992944][ C0] Code: 0f 1f 40 00 48 8b 15 c9 9c 10 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 48 8b 15 91 All code ======== 0: 0f 1f 40 00 nopl 0x0(%rax) 4: 48 8b 15 c9 9c 10 00 mov 0x109cc9(%rip),%rdx # 0x109cd4 b: f7 d8 neg %eax d: 64 89 02 mov %eax,%fs:(%rdx) 10: b8 ff ff ff ff mov $0xffffffff,%eax 15: c3 ret 16: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 1c: f3 0f 1e fa endbr64 20: 41 89 ca mov %ecx,%r10d 23: b8 06 01 00 00 mov $0x106,%eax 28: 0f 05 syscall 2a:* 3d 00 f0 ff ff cmp $0xfffff000,%eax <-- trapping instruction 2f: 77 0b ja 0x3c 31: 31 c0 xor %eax,%eax 33: c3 ret 34: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 15 .byte 0x15 3f: 91 xchg %eax,%ecx Code starting with the faulting instruction =========================================== 0: 3d 00 f0 ff ff cmp $0xfffff000,%eax 5: 77 0b ja 0x12 7: 31 c0 xor %eax,%eax 9: c3 ret a: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 11: 00 12: 48 rex.W 13: 8b .byte 0x8b 14: 15 .byte 0x15 15: 91 xchg %eax,%ecx [ 21.992945][ C0] RSP: 002b:00007fffdc2e2828 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 21.992947][ C0] RAX: ffffffffffffffda RBX: 0000565517ff72b0 RCX: 00007fca03d1412e [ 21.992948][ C0] RDX: 00007fffdc2e28e0 RSI: 000056551763fd0f RDI: 00000000ffffff9c [ 21.992949][ C0] RBP: 00007fffdc2e39b0 R08: 0000565517ff7410 R09: 0000565517fff2c0 [ 21.992949][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 21.992950][ C0] R13: 000056551763fd0f R14: 00005655176488e8 R15: 0000565517ff7120 | [ 21.992968][ C0] softirqs last disabled at (10991): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.992969][ C0] Preemption disabled at: | [ 21.992970][ C0] 0x0 | [ 21.992974][ C0] Tainted: [W]=WARN [ 21.992974][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.992975][ C0] Call Trace: [ 21.992975][ C0] [ 21.992976][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.992978][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 21.992981][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.992984][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.992986][ C0] __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)) [ 21.992987][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.992989][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.992991][ C0] ? 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) [ 21.992992][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.992995][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 21.992997][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.992998][ C0] ? mark_lock (kernel/locking/lockdep.c:4769) [ 21.993001][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.993004][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.993006][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993007][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993008][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.993011][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.993013][ C0] ? 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)) [ 21.993015][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993016][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.993018][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.993020][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.993022][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.993024][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.993026][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.993028][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993029][ C0] ? 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) [ 21.993031][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.993033][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.993034][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 21.993036][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.993038][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 21.993039][ C0] _printk (kernel/printk/printk.c:2504) [ 21.993041][ C0] ? snapshot_read.cold (user.c:?) [ 21.993043][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 21.993044][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.993047][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 21.993048][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 21.993050][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 21.993052][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 21.993054][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 21.993056][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 21.993057][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.993059][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.993061][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.993063][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 21.993065][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 21.993067][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 21.993069][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.993072][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.993075][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 21.993077][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 21.993079][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993080][ C0] handle_softirqs (kernel/softirq.c:645) [ 21.993082][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.993083][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.993086][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 21.993087][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 21.993089][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 21.993090][ C0] [ 21.993091][ C0] [ 21.993092][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 21.993093][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12)) [ 21.993095][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 80 78 fd 48 89 df e8 49 d6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 d0 9e 6a fd 65 48 83 3d af ab 65 02 00 74 12 5b All code ======== 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 41 80 78 fd call 0xfffffffffd788054 13: 48 89 df mov %rbx,%rdi 16: e8 49 d6 78 fd call 0xfffffffffd78d664 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 1f jne 0x42 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 2f jne 0x59 2a:* bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 d0 9e 6a fd call 0xfffffffffd6a9f04 34: 65 48 83 3d af ab 65 cmpq $0x0,%gs:0x265abaf(%rip) # 0x265abec 3b: 02 00 3d: 74 12 je 0x51 3f: 5b pop %rbx Code starting with the faulting instruction =========================================== 0: bf 01 00 00 00 mov $0x1,%edi 5: e8 d0 9e 6a fd call 0xfffffffffd6a9eda a: 65 48 83 3d af ab 65 cmpq $0x0,%gs:0x265abaf(%rip) # 0x265abc2 11: 02 00 13: 74 12 je 0x27 15: 5b pop %rbx [ 21.993096][ C0] RSP: 0018:ffa0000000566fb8 EFLAGS: 00000246 [ 21.993097][ C0] RAX: 0000000000000092 RBX: ff11000001041440 RCX: ffffffffb07e1483 [ 21.993097][ C0] RDX: ff1100000f0123c0 RSI: ffffffffb1111011 RDI: ffffffffb0a949e0 [ 21.993098][ C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 21.993099][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff11000001041440 [ 21.993099][ C0] R13: ffd4000000307010 R14: ffd4000000307000 R15: ff1100000c1c1b88 [ 21.993101][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 21.993103][ C0] get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3)) [ 21.993106][ C0] ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1)) [ 21.993108][ C0] ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20)) [ 21.993110][ C0] kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010) [ 21.993111][ C0] ? pick_link (fs/namei.c:2068) [ 21.993112][ C0] ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1)) [ 21.993114][ C0] __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1)) [ 21.993116][ C0] __create_object (mm/kmemleak.c:801) [ 21.993117][ C0] __kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5413 mm/slub.c:5439) [ 21.993119][ C0] ? virtqueue_add_split (./include/linux/slab.h:995 drivers/virtio/virtio_ring.c:610 drivers/virtio/virtio_ring.c:685) [ 21.993121][ C0] virtqueue_add_split (./include/linux/slab.h:995 drivers/virtio/virtio_ring.c:610 drivers/virtio/virtio_ring.c:685) [ 21.993123][ C0] ? fuse_readlink_folio (fs/fuse/fuse_i.h:1012 fs/fuse/dir.c:1847) [ 21.993124][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.993126][ C0] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.993127][ C0] ? write_profile (profile.c:?) [ 21.993129][ C0] ? virtqueue_add_packed (drivers/virtio/virtio_ring.c:1720) [ 21.993130][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.993133][ C0] virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2839 (discriminator 7) drivers/virtio/virtio_ring.c:2878 (discriminator 7)) [ 21.993136][ C0] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1460) [ 21.993138][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.993140][ C0] ? pick_link (fs/namei.c:2068) [ 21.993142][ C0] ? virtio_fs_probe (./include/linux/virtio_config.h:371) [ 21.993143][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.993145][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993146][ C0] ? __create_object (mm/kmemleak.c:807 (discriminator 3)) [ 21.993149][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.993151][ C0] ? 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) [ 21.993154][ C0] virtio_fs_send_req (fs/fuse/virtio_fs.c:1519) [ 21.993156][ C0] fuse_chan_send (fs/fuse/dev.c:573 fs/fuse/dev.c:766 fs/fuse/dev.c:844) [ 21.993158][ C0] fuse_readlink_folio (fs/fuse/fuse_i.h:1012 fs/fuse/dir.c:1847) [ 21.993159][ C0] ? fuse_invalidate_attr_mask (fs/fuse/dir.c:314) [ 21.993161][ C0] ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4857 (discriminator 1)) [ 21.993163][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.993166][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.993169][ C0] fuse_get_link (fs/fuse/dir.c:1886) [ 21.993170][ C0] pick_link (fs/namei.c:2068) [ 21.993172][ C0] ? fuse_symlink_read_folio (./include/linux/page-flags.h:354) [ 21.993174][ C0] step_into_slowpath (fs/namei.c:2127) [ 21.993176][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993177][ C0] ? pick_link (fs/namei.c:2066) [ 21.993180][ C0] ? lookup_fast (fs/namei.c:1035 fs/namei.c:1031 fs/namei.c:1868) [ 21.993182][ C0] link_path_walk (fs/namei.c:2152 fs/namei.c:2288 fs/namei.c:2656) [ 21.993184][ C0] ? path_init (fs/namei.c:2720) [ 21.993186][ C0] ? vfs_rename (./include/linux/list.h:457 (discriminator 5)) [ 21.993187][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 21.993189][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.993191][ C0] path_lookupat (fs/namei.c:2812 (discriminator 1)) [ 21.993192][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 21.993194][ C0] filename_lookup (fs/namei.c:2842) [ 21.993196][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.993197][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.993199][ C0] ? may_linkat (fs/namei.c:1320) [ 21.993203][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.993204][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 21.993206][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.993208][ C0] vfs_statx (fs/stat.c:353) [ 21.993209][ C0] ? inode_sub_bytes (fs/stat.c:928) [ 21.993211][ C0] vfs_fstatat (fs/stat.c:373) [ 21.993212][ C0] __do_sys_newfstatat (fs/stat.c:538) [ 21.993214][ C0] ? vfs_fstatat (./include/linux/fs.h:2564 (discriminator 1)) [ 21.993215][ C0] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 21.993218][ 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) [ 21.993220][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.993221][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.993222][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.993224][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.993226][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.993227][ C0] RIP: 0033:0x7fca03d1412e [ 21.993228][ C0] Code: 0f 1f 40 00 48 8b 15 c9 9c 10 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 48 8b 15 91 All code ======== 0: 0f 1f 40 00 nopl 0x0(%rax) 4: 48 8b 15 c9 9c 10 00 mov 0x109cc9(%rip),%rdx # 0x109cd4 b: f7 d8 neg %eax d: 64 89 02 mov %eax,%fs:(%rdx) 10: b8 ff ff ff ff mov $0xffffffff,%eax 15: c3 ret 16: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 1c: f3 0f 1e fa endbr64 20: 41 89 ca mov %ecx,%r10d 23: b8 06 01 00 00 mov $0x106,%eax 28: 0f 05 syscall 2a:* 3d 00 f0 ff ff cmp $0xfffff000,%eax <-- trapping instruction 2f: 77 0b ja 0x3c 31: 31 c0 xor %eax,%eax 33: c3 ret 34: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 15 .byte 0x15 3f: 91 xchg %eax,%ecx Code starting with the faulting instruction =========================================== 0: 3d 00 f0 ff ff cmp $0xfffff000,%eax 5: 77 0b ja 0x12 7: 31 c0 xor %eax,%eax 9: c3 ret a: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 11: 00 12: 48 rex.W 13: 8b .byte 0x8b 14: 15 .byte 0x15 15: 91 xchg %eax,%ecx [ 21.993229][ C0] RSP: 002b:00007fffdc2e2828 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 21.993230][ C0] RAX: ffffffffffffffda RBX: 0000565517ff72b0 RCX: 00007fca03d1412e [ 21.993230][ C0] RDX: 00007fffdc2e28e0 RSI: 000056551763fd0f RDI: 00000000ffffff9c [ 21.993231][ C0] RBP: 00007fffdc2e39b0 R08: 0000565517ff7410 R09: 0000565517fff2c0 [ 21.993232][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable