EXT4-fs error (device loop5): ext4_map_blocks:635: inode #11: block 530: comm syz.5.662: lblock 4 mapped to illegal pblock 530 (length 1)
EXT4-fs warning (device loop5): ext4_expand_extra_isize_ea:2823: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 1 PID: 7166 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020
Modules linked in:
CPU: 1 PID: 7166 Comm: syz.5.662 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020
lr : ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020
sp : ffff800022a26f60
x29: ffff800022a27000 x28: 0000000000000000 x27: dfff800000000000
x26: 1fffe0001c11ae60 x25: ffff700004544df0 x24: 0000000000000000
x23: ffff800017a17000 x22: ffff0000e08d7148 x21: 0000000000000002
x20: 0000000000000001 x19: ffff0000e08d7108 x18: ffff800011a6bd40
x17: 0000000000000000 x16: ffff8000082d4a88 x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000
x11: 0000000000054f2a x10: ffff80002196d000 x9 : b0061688b71a0c00
x8 : b0061688b71a0c00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800022a269f8 x4 : ffff800015134e80 x3 : ffff800008530c5c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1045 [inline]
 ext4_xattr_inode_dec_ref_all+0x8d8/0xd5c fs/ext4/xattr.c:1191
 ext4_xattr_delete_inode+0x870/0xa00 fs/ext4/xattr.c:2919
 ext4_evict_inode+0xcd0/0x1270 fs/ext4/inode.c:296
 evict+0x3c8/0x810 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x764/0x7f4 fs/inode.c:1860
 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:358
 ext4_orphan_cleanup+0x908/0x104c fs/ext4/orphan.c:472
 __ext4_fill_super fs/ext4/super.c:5556 [inline]
 ext4_fill_super+0x610c/0x6598 fs/ext4/super.c:5687
 get_tree_bdev+0x358/0x544 fs/super.c:1366
 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5717
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x228/0x810 fs/namespace.c:3078
 path_mount+0x5b4/0xe78 fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 3232
hardirqs last  enabled at (3231): [<ffff80000830abcc>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (3232): [<ffff8000119080a8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2826): [<ffff8000081aa3e0>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (2826): [<ffff8000081aa3e0>] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624
softirqs last disabled at (2783): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
EXT4-fs (loop5): 1 orphan inode deleted
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.