rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2646 jiffies s: 30541 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5104 Comm: syz-executor.4 Not tainted 6.9.0-rc4-next-20240415-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:lock_release+0x599/0x9f0
Code: 24 58 4d 8d bc c5 b8 0a 00 00 48 89 da 4d 85 ff 0f 85 e7 fc ff ff 48 8b 7c 24 18 48 8b 74 24 20 48 8b 54 24 50 e8 a7 7c 00 00 <49> bf 00 00 00 00 00 fc ff df 4c 8b 64 24 08 48 8b 5c 24 28 49 89
RSP: 0018:ffffc90000007b40 EFLAGS: 00000046
RAX: 1ffff1100475815a RBX: ffff888023ac0ad0 RCX: ffffc90000007b03
RDX: 0000000000000001 RSI: ffff888023ac0ad8 RDI: ffff888023ac0b08
RBP: ffffc90000007c70 R08: ffffffff8fac022f R09: 1ffffffff1f58045
R10: dffffc0000000000 R11: fffffbfff1f58046 R12: dffffc0000000000
R13: 00000000000c4ccd R14: 4e752d77e2805af7 R15: ffff888023ac0b08
FS:  00005555892a8480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b2c39cd58 CR3: 00000000613f2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x16/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 advance_sched+0x9b4/0xca0 net/sched/sch_taprio.c:981
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x86/0x290 mm/kasan/generic.c:189
Code: 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 <0f> 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 00 45 89 dc
RSP: 0018:ffffc90004187118 EFLAGS: 00000246
RAX: ffffc90004187f01 RBX: 1ffff92000830e52 RCX: ffffffff8140f3cb
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90004187290
RBP: ffffffffffffffff R08: ffffc9000418729f R09: 1ffff92000830e53
R10: dffffc0000000000 R11: fffff52000830e53 R12: ffffc90004187f08
R13: dffffc0000000000 R14: dffffc0000000001 R15: fffff52000830e54
 __asan_memset+0x23/0x50 mm/kasan/shadow.c:84
 unwind_next_frame+0x13ab/0x2a00 arch/x86/kernel/unwind_orc.c:592
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2190 [inline]
 slab_free mm/slub.c:4393 [inline]
 kmem_cache_free+0x145/0x340 mm/slub.c:4468
 free_buffer_head+0x55/0x240 fs/buffer.c:3017
 try_to_free_buffers+0x311/0x5f0 fs/buffer.c:2958
 block_invalidate_folio+0x4b3/0x5f0 fs/buffer.c:1633
 folio_invalidate mm/truncate.c:158 [inline]
 truncate_cleanup_folio+0x10a/0x3d0 mm/truncate.c:178
 truncate_inode_pages_range+0x2da/0xfc0 mm/truncate.c:358
 kill_bdev block/bdev.c:101 [inline]
 blkdev_flush_mapping+0x10e/0x250 block/bdev.c:648
 blkdev_put_whole block/bdev.c:679 [inline]
 bdev_release+0x45f/0x6f0 block/bdev.c:1070
 blkdev_release+0x15/0x20 block/fops.c:628
 __fput+0x406/0x8b0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0e51c7f1d7
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffde50388b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0e51c7f1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffde5038970
RBP: 00007ffde5038970 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffde5039a30
R13: 00007f0e51cc93b9 R14: 0000000000072868 R15: 0000000000000005
 </TASK>
vkms_vblank_simulate: vblank timer overrun