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Message-ID: <68cc61b1.050a0220.28a605.000d.GAE@google.com>
Date: Thu, 18 Sep 2025 12:46:57 -0700
From: syzbot <syzbot+7567dc5c8aa8f68bde74@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Forwarded: 

For archival purposes, forwarding an incoming command email to
linux-kernel@...r.kernel.org.

***

Subject: 
Author: kriish.sharma2006@...il.com

#syz test

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 26d6c1eea559..a879e8030568 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -760,7 +760,7 @@ static int compute_bitstructs(struct gfs2_rgrpd *rgd)
        u32 bytes_left, bytes;
        int x;

-       if (!length)
+       if (!length || length > KMALLOC_MAX_SIZE / sizeof(struct
gfs2_bitmap))
                return -EINVAL;

        rgd->rd_bits = kcalloc(length, sizeof(struct gfs2_bitmap),
GFP_NOFS);