rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2670 jiffies s: 14689 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7955 Comm: syz-executor.3 Not tainted 6.10.0-rc1-syzkaller-00021-ge0cce98fe279 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:find_held_lock+0x19/0x110 kernel/locking/lockdep.c:5237
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 44 8d 7a ff 49 63 c7 41 56 49 89 ce 48 8d 04 80 41 55 49 89 f5 41 54 <55> 89 d5 53 48 8d 9c c7 e0 0a 00 00 48 89 df e8 73 e2 7c 09 85 c0
RSP: 0018:ffffc90000a18c38 EFLAGS: 00000006
RAX: 0000000000000019 RBX: 0000000000000003 RCX: ffffc90000a18cb0
RDX: 0000000000000006 RSI: ffffffff94d80728 RDI: ffff888020bcda00
RBP: 1ffff9200014318e R08: 0000000000000000 R09: fffffbfff1fc8bca
R10: ffffffff8fe45e57 R11: 0000000000000005 R12: ffffffff94d80728
R13: ffffffff94d80728 R14: ffffc90000a18cb0 R15: 0000000000000005
FS: 00007f628a18b6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f61593b0000 CR3: 0000000061d3a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__lock_release kernel/locking/lockdep.c:5429 [inline]
lock_release+0x1fd/0x6c0 kernel/locking/lockdep.c:5774
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
_raw_spin_unlock_irqrestore+0x1a/0x80 kernel/locking/spinlock.c:194
debug_object_deactivate+0x1f0/0x370 lib/debugobjects.c:778
debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
debug_deactivate kernel/time/hrtimer.c:484 [inline]
__run_hrtimer kernel/time/hrtimer.c:1655 [inline]
__hrtimer_run_queues+0x47d/0xcc0 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 8a 68 80 f6 48 89 df e8 72 e5 80 f6 e8 1d d4 a9 f6 fb bf 01 00 00 00 92 27 72 f6 65 8b 05 23 87 18 75 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc9000364eb90 EFLAGS: 00000206
RAX: 0000000000014305 RBX: ffff8880201b48c0 RCX: 1ffffffff285db8d
RDX: 0000000000000000 RSI: ffffffff8b2cade0 RDI: 0000000000000001
RBP: ffff88802028a080 R08: 0000000000000001 R09: fffffbfff284d681
R10: ffffffff9426b40f R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801ae8b060 R14: ffff8880201b4800 R15: ffff88801ae8b068
spin_unlock_irq include/linux/spinlock.h:401 [inline]
loop_queue_work drivers/block/loop.c:883 [inline]
loop_queue_rq+0x5ef/0x1210 drivers/block/loop.c:1874
__blk_mq_issue_directly+0xe0/0x270 block/blk-mq.c:2577
blk_mq_request_issue_directly+0x11a/0x190 block/blk-mq.c:2662
blk_mq_plug_issue_direct+0x198/0x660 block/blk-mq.c:2683
blk_mq_flush_plug_list.part.0+0x15e6/0x1d90 block/blk-mq.c:2792
blk_mq_flush_plug_list+0x62/0x80 block/blk-mq.c:2769
__blk_flush_plug+0x2c5/0x4b0 block/blk-core.c:1194
blk_finish_plug block/blk-core.c:1221 [inline]
blk_finish_plug block/blk-core.c:1218 [inline]
__submit_bio+0x3fb/0x4d0 block/blk-core.c:635
__submit_bio_noacct_mq block/blk-core.c:708 [inline]
submit_bio_noacct_nocheck+0x6fb/0xd70 block/blk-core.c:737
submit_bio_noacct+0xabe/0x1f10 block/blk-core.c:848
iomap_submit_ioend+0x14b/0x1e0 fs/iomap/buffered-io.c:1689
iomap_writepages+0x265c/0x2e20 fs/iomap/buffered-io.c:1995
xfs_vm_writepages+0xed/0x150 fs/xfs/xfs_aops.c:477
do_writepages+0x1a3/0x7f0 mm/page-writeback.c:2634
filemap_fdatawrite_wbc mm/filemap.c:397 [inline]
filemap_fdatawrite_wbc+0x148/0x1c0 mm/filemap.c:387
__filemap_fdatawrite_range+0xba/0x100 mm/filemap.c:430
filemap_write_and_wait_range mm/filemap.c:685 [inline]
filemap_write_and_wait_range+0xa3/0x130 mm/filemap.c:676
xfs_setattr_size+0x26e/0xc80 fs/xfs/xfs_iops.c:871
xfs_vn_setattr_size fs/xfs/xfs_iops.c:1012 [inline]
xfs_vn_setattr+0x226/0x260 fs/xfs/xfs_iops.c:1037
notify_change+0x742/0x11f0 fs/attr.c:497
do_truncate+0x15c/0x220 fs/open.c:65
handle_truncate fs/namei.c:3308 [inline]
do_open fs/namei.c:3654 [inline]
path_openat+0x2505/0x29f0 fs/namei.c:3807
do_filp_open+0x1dc/0x430 fs/namei.c:3834
do_sys_openat2+0x17a/0x1e0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1431
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f628947cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f628a18b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f62895b3fa0 RCX: 00007f628947cee9
RDX: 000000000000275a RSI: 0000000020000180 RDI: ffffffffffffff9c
RBP: 00007f62894c947f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f62895b3fa0 R15: 00007ffd807318c8