Re: [syzbot] [erofs?] KASAN: global-out-of-bounds Read in z_erofs_decompress_queue

From: syzbot
Date: Sat Aug 23 2025 - 06:07:12 EST


Hello,

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

Reported-by: syzbot+5a398eb460ddaa6f242f@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+5a398eb460ddaa6f242f@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: e64b452f erofs: fix invalid algorithm for encoded exte..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
console output: https://syzkaller.appspot.com/x/log.txt?x=13f26a34580000
kernel config: https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e
dashboard link: https://syzkaller.appspot.com/bug?extid=5a398eb460ddaa6f242f
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.