Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_read_inline_data

From: syzbot

Date: Tue Jan 13 2026 - 08:27:04 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+6986a30df88382d1f7bf@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+6986a30df88382d1f7bf@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: b71e635f Merge tag 'cgroup-for-6.19-rc5-fixes' of git:..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17faf922580000
kernel config: https://syzkaller.appspot.com/x/.config?x=3027d9a5f96d82ca
dashboard link: https://syzkaller.appspot.com/bug?extid=6986a30df88382d1f7bf
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=14c285fc580000

Note: testing is done by a robot and is best-effort only.