From: Paulo Alcantara <pc@manguebit.org>
To: Yifan Zhang <yfzhang23@stu.pku.edu.cn>, linux-cifs@vger.kernel.org
Cc: Namjae Jeon <linkinjeon@kernel.org>,
Ronnie Sahlberg <ronniesahlberg@gmail.com>,
Shyam Prasad N <sprasad@microsoft.com>,
Tom Talpey <tom@talpey.com>, Bharath SM <bharathsm@microsoft.com>,
Steve French <sfrench@us.ibm.com>,
samba-technical@lists.samba.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND] cifs: bound invalid NTLMSSP signature diagnostic
Date: Sat, 07 Nov 2026 14:24:26 -0300 [thread overview]
Message-ID: <3f65be10a84fca4ecada2db56213c80b@manguebit.org> (raw)
In-Reply-To: <179367391951.8187.8527449085887136856@stu.pku.edu.cn>
Yifan Zhang <yfzhang23@stu.pku.edu.cn> writes:
> The NTLMSSP Signature field is an eight-byte binary value and need not be
> NUL-terminated. decode_ntlmssp_challenge() prints it with %s on the
> signature-mismatch path, so the diagnostic can continue beyond the received
> blob until it encounters a zero byte.
>
> KASAN reports:
>
> BUG: KASAN: slab-out-of-bounds in string
> Read of size 1
> string
> vsnprintf
> _printk
> decode_ntlmssp_challenge
>
> Print the fixed-width field with the bounded hexadecimal format.
> ...
Applied.
prev parent reply other threads:[~2026-11-07 17:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-03 2:45 Yifan Zhang
2026-11-07 17:24 ` Paulo Alcantara [this message]
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