loop7: detected capacity change from 0 to 512
EXT4-fs error (device loop7): ext4_validate_block_bitmap:438: comm syz.7.1365: bg 0: block 127: padding at end of block bitmap is not set
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 0 PID: 10243 at fs/ext4/xattr.c:1021 ext4_xattr_inode_update_ref+0x517/0x570 fs/ext4/xattr.c:1019
Modules linked in:
CPU: 0 PID: 10243 Comm: syz.7.1365 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ext4_xattr_inode_update_ref+0x517/0x570 fs/ext4/xattr.c:1019
Code: 7b 40 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 bb fa 9c ff 49 8b 37 48 c7 c7 60 9b a0 8a 44 89 f2 e8 19 04 19 ff <0f> 0b 48 8b 5c 24 10 4c 8b 7c 24 18 4c 8d 6c 24 60 e9 00 fe ff ff
RSP: 0018:ffffc90004b07340 EFLAGS: 00010246
RAX: 07fba7fd3c323d00 RBX: ffff888054166700 RCX: 0000000000080000
RDX: ffffc90015544000 RSI: 000000000001c171 RDI: 000000000001c172
RBP: ffffc90004b07430 R08: dffffc0000000000 R09: ffffed10171c4f34
R10: ffffed10171c4f34 R11: 1ffff110171c4f33 R12: dffffc0000000000
R13: ffffc90004b073a0 R14: 0000000000000002 R15: ffff888054166740
FS:  00007f1a244986c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce88d056c0 CR3: 00000000284e0000 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:1044 [inline]
 ext4_xattr_inode_dec_ref_all+0xa91/0xfe0 fs/ext4/xattr.c:1186
 ext4_xattr_delete_inode+0x9f1/0xbb0 fs/ext4/xattr.c:2914
 ext4_evict_inode+0xc39/0x1100 fs/ext4/inode.c:296
 evict+0x485/0x870 fs/inode.c:705
 ext4_orphan_cleanup+0xbd3/0x1400 fs/ext4/orphan.c:474
 __ext4_fill_super fs/ext4/super.c:5537 [inline]
 ext4_fill_super+0x7bc2/0x8150 fs/ext4/super.c:5668
 get_tree_bdev+0x3f1/0x610 fs/super.c:1366
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x24a/0xa40 fs/namespace.c:3069
 do_mount fs/namespace.c:3412 [inline]
 __do_sys_mount fs/namespace.c:3620 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3597
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1a2359034a
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:00007f1a24497e68 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1a24497ef0 RCX: 00007f1a2359034a
RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007f1a24497eb0
RBP: 0000200000000180 R08: 00007f1a24497ef0 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007f1a24497eb0 R14: 0000000000000473 R15: 0000200000000680
 </TASK>