Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in ext4_ext_remove_space

[syzbot]

Hello,

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

Reported-by: syzbot+b73703b873a33d8eb8f6@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+b73703b873a33d8eb8f6@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         0257f64b Merge tag 'pm-7.0-rc4' of git://git.kernel.or..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=164f84d6580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=24bbfbcc181e891f
dashboard link: https://syzkaller.appspot.com/bug?extid=b73703b873a33d8eb8f6
compiler:       Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=120bd75a580000

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