linux-kernel - Re: [syzbot] [v9fs?] UBSAN: shift-out-of-bounds in v9fs_get

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Message-ID: <68d99e11.a00a0220.102ee.0031.GAE@google.com>
Date: Sun, 28 Sep 2025 13:44:01 -0700
From: syzbot <syzbot+30c83da54e948f6e9436@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	xandfury@...il.com
Subject: Re: [syzbot] [v9fs?] UBSAN: shift-out-of-bounds in v9fs_get_tree

Hello,

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

Reported-by: syzbot+30c83da54e948f6e9436@...kaller.appspotmail.com
Tested-by: syzbot+30c83da54e948f6e9436@...kaller.appspotmail.com

Tested on:

commit:         26285807 Add linux-next specific files for 20250926
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=15090334580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=997066872b7941b6
dashboard link: https://syzkaller.appspot.com/bug?extid=30c83da54e948f6e9436
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8

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