From nobody Thu Oct 2 07:45:12 2025 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D7F3B2951A7 for ; Thu, 18 Sep 2025 19:46:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758224820; cv=none; b=IIOuYgcp/wDhHrqxCBgAH2D4qCtdpvFeOmRXVPaIhlWKoD3alkAN9J+PBAxMzXIp0mpF7LG0zzKqi4HCBCXh67Yk1dD2m1pG7POTOcGeI2oj1wGSevgOk6NPoerqypZu4mBQebJwkIyJk7bM8r9HElYc15iSwDhyZvRxM4URS1A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758224820; c=relaxed/simple; bh=Zmve0uGZuciolv3j19p7n7UHO6gZ7x9yFsoGWkkq6eY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Ak/VB+l0GKf/qL1ZSlxdCfTp+9B8cI8a0fDrRsVOSAin69jkiUQKzG8Hv5gX7fQN+X8ONa7XWqbI+6lHsW/qQnrUB2Ls6jhDmMlQyZiVcalX7WxLsT+//JRcACHiHZgKzQB6PHTot6/73jZPn/pEWpPhSIjwilkFuua/FPEB74U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-88c34279992so115675039f.2 for ; Thu, 18 Sep 2025 12:46:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758224818; x=1758829618; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=sbEwN6/iX/OxXmI8d/rNGwDAozfjHBd3/wXLlEs8T7M=; b=DbOUTgnV/4/vlNM5dE6DR2Vst3rEi5NyxwvSex20os9quYHFeedMsA+tzZRrwjo2eF xmk7zI3bMHu2i1Cs8GOTAJ44iSU2/VIx5FXmjphWRbGNHSdafY+zreTNJjml2T2meXjY uaQ0mP5HE5z/DHvBBrjCb7ZMqI1MGhVGQNJjy+cZLBPnV9FQTLGSGGO0RJDcsifcjdH9 0o8VnNmCLl+EyQ/Sbc8pMWAkioUzZb2BaKxkoJmerxUWlmhjp3UR+I8E4Ly0twP6ifMF apLkMXLqv+5ClC4q6iYanbYLQtqC+VVFc//rVoq8F2KnE1zLDeOkPAXbPtSdsoyiM63I 3/yQ== X-Gm-Message-State: AOJu0Yz/G6LmmKHd1JW/ShDJBuH5y/0KtgMvA65sllM5PC3ccF/Q226/ fpnKTGgoWW4slnCGwGkMNGDcZT/rIYogEwuGYwk9UqAHfFpZ2U2yECEObVWp6SXagKnXBlc/aFZ VZ+f2Z+yU/XelY1u2gI+Pqp/l5ys5BpA+sR+PulAUUC6eTcJOGvGW6KCQm+8= X-Google-Smtp-Source: AGHT+IFPUmkbeqMtCn2sKoZ00zbp231iR42dhKe2NlMurk9ukA/jzgVpNf1hGHKVxoxvjqL5S/MkzZ/8hoUNXtmvuO+0qcTZTBsC Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3e8e:b0:418:a784:5e1f with SMTP id e9e14a558f8ab-424819961ddmr13081435ab.16.1758224817711; Thu, 18 Sep 2025 12:46:57 -0700 (PDT) Date: Thu, 18 Sep 2025 12:46:57 -0700 In-Reply-To: <0000000000008441d006180678ad@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68cc61b1.050a0220.28a605.000d.GAE@google.com> Subject: Forwarded: From: syzbot To: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject:=20 Author: kriish.sharma2006@gmail.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 =3D kcalloc(length, sizeof(struct gfs2_bitmap), GFP_NOFS);