EXT4-fs error (device loop5): ext4_map_blocks:631: inode #11: block 327694: comm syz.5.1013: lblock 0 mapped to illegal pblock 327694 (length 1)
EXT4-fs warning (device loop5): ext4_expand_extra_isize_ea:2807: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 1 PID: 8198 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4e7/0x540 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 1 PID: 8198 Comm: syz.5.1013 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x4e7/0x540 fs/ext4/xattr.c:1004
Code: 7c 24 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 7a e7 a1 ff 49 8b 37 48 c7 c7 80 a6 3d 8a 89 da e8 e9 6b 95 07 <0f> 0b 4c 8b 64 24 08 4c 8b 7c 24 10 e9 a9 fe ff ff e8 13 5c a0 07
RSP: 0018:ffffc90002fdf380 EFLAGS: 00010246
RAX: dd6ed02857d58a00 RBX: 0000000000000002 RCX: 0000000000080000
RDX: ffffc900185c0000 RSI: 000000000002d02c RDI: 000000000002d02d
RBP: ffffc90002fdf470 R08: ffff8880b912795b R09: 1ffff11017224f2b
R10: dffffc0000000000 R11: ffffed1017224f2c R12: ffff888060042a80
R13: 1ffff1100c00858f R14: dffffc0000000000 R15: ffff888060042ac0
FS:  00007f530e2e76c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000faa030 CR3: 0000000047558000 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:1029 [inline]
 ext4_xattr_inode_dec_ref_all+0x960/0xfc0 fs/ext4/xattr.c:1175
 ext4_xattr_delete_inode+0xad1/0xca0 fs/ext4/xattr.c:2903
 ext4_evict_inode+0xc53/0x1090 fs/ext4/inode.c:301
 evict+0x4c9/0x8d0 fs/inode.c:647
 ext4_orphan_cleanup+0xad2/0x1320 fs/ext4/orphan.c:472
 ext4_fill_super+0x8d6e/0x94f0 fs/ext4/super.c:5006
 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+0x2e3/0x3d0 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: 0033:0x7f531008f0ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f530e2e6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f530e2e6ee0 RCX: 00007f531008f0ca
RDX: 0000200000000080 RSI: 00002000000001c0 RDI: 00007f530e2e6ea0
RBP: 0000200000000080 R08: 00007f530e2e6ee0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007f530e2e6ea0 R14: 000000000000048a R15: 0000200000000000
 </TASK>