syzbot

ERROR: (device loop8): xtSearch: XT_GETPAGE: xtree page corrupt
ERROR: (device loop8): remounting filesystem as read-only
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DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 7960 at kernel/locking/lockdep.c:238 hlock_class kernel/locking/lockdep.c:238 [inline]
WARNING: CPU: 1 PID: 7960 at kernel/locking/lockdep.c:238 check_wait_context kernel/locking/lockdep.c:4857 [inline]
WARNING: CPU: 1 PID: 7960 at kernel/locking/lockdep.c:238 __lock_acquire+0x379/0xd20 kernel/locking/lockdep.c:5190
Modules linked in:
CPU: 1 UID: 0 PID: 7960 Comm: syz.8.228 Not tainted 6.15.0-syzkaller-13473-gc0c9379f235d #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:hlock_class kernel/locking/lockdep.c:238 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4857 [inline]
RIP: 0010:__lock_acquire+0x379/0xd20 kernel/locking/lockdep.c:5190
Code: eb 33 90 e8 c9 84 18 03 85 c0 74 22 83 3d 52 ee 01 0e 00 75 19 90 48 c7 c7 1c 87 b5 8d 48 c7 c6 3a 09 a5 8d e8 38 ce e5 ff 90 <0f> 0b 90 90 90 31 c0 48 8b 3c 24 0f b6 98 c4 00 00 00 41 8b 46 20
RSP: 0018:ffffc9000b5a7270 EFLAGS: 00010046
RAX: ef9f1adefe05ec00 RBX: ffff88807733ef60 RCX: 0000000000080000
RDX: ffffc9000bee9000 RSI: 00000000000069ca RDI: 00000000000069cb
RBP: 0000000000000daa R08: ffff8880b8724293 R09: 1ffff110170e4852
R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888055f6e590 R15: ffff888055f6e4f0
FS:  00007f2b371ea6c0(0000) GS:ffff888125d87000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7bc87af000 CR3: 0000000077886000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
 __wake_up_common_lock+0x2f/0x1f0 kernel/sched/wait.c:105
 unlock_metapage fs/jfs/jfs_metapage.c:40 [inline]
 release_metapage+0x13c/0xac0 fs/jfs/jfs_metapage.c:869
 xtTruncate+0xe71/0x2dd0 fs/jfs/jfs_xtree.c:-1
 jfs_truncate_nolock+0x2a7/0x340 fs/jfs/inode.c:373
 jfs_truncate fs/jfs/inode.c:412 [inline]
 jfs_write_failed+0x119/0x190 fs/jfs/inode.c:289
 jfs_write_begin+0x6f/0x80 fs/jfs/inode.c:301
 generic_perform_write+0x2c4/0x910 mm/filemap.c:4112
 generic_file_write_iter+0x10f/0x540 mm/filemap.c:4255
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x54b/0xa90 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b3638e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2b371ea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2b365b5fa0 RCX: 00007f2b3638e929
RDX: 0000000000000020 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f2b36410b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2b365b5fa0 R15: 00007fffc08f42d8
 </TASK>