linux-kernel - Re: [syzbot] [mm] KMSAN: uninit-value in sw842

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Message-ID: <68f86202.050a0220.346f24.0031.GAE@google.com>
Date: Tue, 21 Oct 2025 21:48:02 -0700
From: syzbot <syzbot+17cae3c0a5b0acdc327d@...kaller.appspotmail.com>
To: glider@...gle.com, kubik.bartlomiej@...il.com, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm] KMSAN: uninit-value in sw842_compress

Hello,

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

Reported-by: syzbot+17cae3c0a5b0acdc327d@...kaller.appspotmail.com
Tested-by: syzbot+17cae3c0a5b0acdc327d@...kaller.appspotmail.com

Tested on:

commit:         d1d7f15c DO-NOT-SUBMIT: kmsan: add the kmsan_exceed_ma..
git tree:       https://github.com/google/kmsan.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=10eb63e2580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=87f87e008168c835
dashboard link: https://syzkaller.appspot.com/bug?extid=17cae3c0a5b0acdc327d
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=124803e2580000

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