linux-kernel - Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4

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Date: Wed, 27 Dec 2023 20:23:05 -0800
From: syzbot <syzbot+6c746eea496f34b3161d@...kaller.appspotmail.com>
To: chao@...nel.org, hsiangkao@...ux.alibaba.com, huyue2@...lpad.com, 
	jefflexu@...ux.alibaba.com, linux-erofs@...ts.ozlabs.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com, xiang@...nel.org
Subject: Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (2)

Hello,

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

Reported-and-tested-by: syzbot+6c746eea496f34b3161d@...kaller.appspotmail.com

Tested on:

commit:         94da00a0 erofs: avoid debugging output for (de)compres..
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=13715b95e80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f711bc2a7eb1db25
dashboard link: https://syzkaller.appspot.com/bug?extid=6c746eea496f34b3161d
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

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