syzbot

EXT4-fs error (device loop0): ext4_validate_block_bitmap:431: comm syz-executor125: bg 0: block 52: invalid block bitmap
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Looking for class "&ei->i_data_sem" with key __key.0, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 0 PID: 6046 at kernel/locking/lockdep.c:936 look_up_lock_class+0x140/0x150 kernel/locking/lockdep.c:936
Modules linked in:
CPU: 0 UID: 0 PID: 6046 Comm: syz-executor125 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:look_up_lock_class+0x140/0x150 kernel/locking/lockdep.c:936
Code: c7 c7 60 cf 6c 8b e8 6f 1a 2d f6 90 0f 0b 90 90 90 31 db eb be c6 05 f7 e0 26 05 01 90 48 c7 c7 40 d2 6c 8b e8 51 1a 2d f6 90 <0f> 0b 90 90 e9 58 ff ff ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90
RSP: 0018:ffffc900033ef850 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffffffff96e7b588 RCX: ffffffff814e6dd9
RDX: ffff88802ad6bc00 RSI: ffffffff814e6de6 RDI: 0000000000000001
RBP: ffffffff9a8f4301 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 20676e696b6f6f4c R12: ffff888072116f80
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff9a825820
FS:  00005555794b1380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae3e5d70f8 CR3: 00000000284b0000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 register_lock_class+0xb1/0x1240 kernel/locking/lockdep.c:1290
 __lock_acquire+0x135/0x3ce0 kernel/locking/lockdep.c:5077
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825
 down_write_nested+0x97/0x210 kernel/locking/rwsem.c:1693
 ext4_double_down_write_data_sem fs/ext4/move_extent.c:51 [inline]
 ext4_double_down_write_data_sem+0x42/0x80 fs/ext4/move_extent.c:47
 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline]
 __ext4_ioctl+0x2a01/0x4630 fs/ext4/ioctl.c:1436
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x192/0x220 fs/ioctl.c:893
 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: 0033:0x7fae3e55e229
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd2ff81b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fae3e55e229
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffcd2ff81f0 R09: 00007ffcd2ff81f0
R10: 00007ffcd2ff81f0 R11: 0000000000000246 R12: 00007ffcd2ff81dc
R13: 0000000000000040 R14: 431bde82d7b634db R15: 00007ffcd2ff8210
 </TASK>