EXT4-fs error (device loop1): ext4_mb_generate_buddy:1147: group 0, block bitmap and bg descriptor inconsistent: 223 vs 220 free clusters
EXT4-fs (loop1): Remounting filesystem read-only
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EA inode 11 i_nlink=2
WARNING: CPU: 0 PID: 4302 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020
Modules linked in:
CPU: 0 PID: 4302 Comm: syz.1.6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020
Code: 8d 7d 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 13 e0 a2 ff 49 8b 37 48 c7 c7 80 8d 1d 8a 89 da e8 c2 53 85 07 <0f> 0b 49 be 00 00 00 00 00 fc ff df 4c 8b 6c 24 10 4c 8b 7c 24 08
RSP: 0018:ffffc9000345f3a0 EFLAGS: 00010246

RAX: 79fc6e8d151eaa00 RBX: 0000000000000002 RCX: 0000000000080000
RDX: ffffc90003e43000 RSI: 000000000005aa74 RDI: 000000000005aa75
RBP: ffffc9000345f490 R08: dffffc0000000000 R09: fffff5200068bdd9
R10: fffff5200068bdd9 R11: 1ffff9200068bdd8 R12: ffffc9000345f400
R13: ffff8880750bf048 R14: dffffc0000000000 R15: ffff8880750bf088
FS:  00007fec82f316c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fec7ab50000 CR3: 000000001a38a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1045 [inline]
 ext4_xattr_inode_dec_ref_all+0x982/0xf30 fs/ext4/xattr.c:1187
 ext4_xattr_delete_inode+0x9f1/0xbb0 fs/ext4/xattr.c:2922
 ext4_evict_inode+0xc47/0x1080 fs/ext4/inode.c:299
 evict+0x485/0x870 fs/inode.c:647
 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:470
 ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fec84ccbe6a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fec82f30e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fec82f30ef0 RCX: 00007fec84ccbe6a
RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007fec82f30eb0
RBP: 0000200000000180 R08: 00007fec82f30ef0 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007fec82f30eb0 R14: 000000000000046f R15: 000000000000002c
 </TASK>