From nobody Thu Dec 18 23:24:41 2025 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (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 E7A512BEFF1 for ; Tue, 16 Dec 2025 22:52:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765925572; cv=none; b=EbYgmBQ7mp9QwL7zpCj+HYUXPqzNQhmlatDGLxpy/XSY6P5KY6cUgNI1ZThrDKKfPRdFgQg+maNby2MSQfjDHqc4DkB9F2KeHxX8r1DVe/7jY7nmGEw+YOI88DsySqhHlJDMuYjmDAfhGcc5N9pb1eyFY7LP7d97sUicvZhg2r0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765925572; c=relaxed/simple; bh=27rJs0bNgvd/6CHluy0eUd95mqkbOXEoredlCG2Pp70=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=OmR+it9dhmm34HOMyYDtwNCvqixGRwwT1WXNQpE4236EnzAJt+SwqvAOZI7UFp+dPO7PKPG3U8jwtIpwEqw9cFQOEtC88s0BYWFd6AtN+H01sW3BN2MqpprAOX4mkPWuLzhQ5zxpnglCjr19m3WjZtwka0z6/wrZsUTuK9N/ij0= 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=209.85.161.72 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-oo1-f72.google.com with SMTP id 006d021491bc7-656cc4098f3so8053285eaf.2 for ; Tue, 16 Dec 2025 14:52:50 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765925570; x=1766530370; 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=JZdPEYX7jz8KL3z+aGzvGKuL8G/Qi5EC1DZSwRvKn3o=; b=MZXVbb1g56yyx/Bqzmkdy2sqp7INt2AqST5wEC8amcICuctzvu+qoc2JWGrkTXyJY1 ziJwRs7nWgCXPeBbOHGr07P8/olFTDvyR5LYZNyLUKWBcheE8+n9QE8MLv+l1a+UmgpK oBukKFv8bqpekUFQL0CLVRyrbxy2P/KE/mNKLFhW9b4lKC0D0XYSDpUs+epOjDr545s7 NqZToxOV0/4FneJuZxAlQZfYhRfMIUqjYESAebM1BK1sNDqZDGOKxRhiW5u47z8XZXP3 rw/Y8Xi9HSkbxEJsDaNztoS+DFEmvO7Umt0IqI1AY8i3uF0JI3o49i19gkp4RRPKpAsK wYlw== X-Gm-Message-State: AOJu0Yz0+SoLBDi5qi6O+9djQM04JOuB3/1I/OtTxS3FfBBsBtQy310I 6kF9bX8SEJAFnZuyC8NqficG1QjoT75R+EPWCrnsWXwiuyxJnWX0DQjHq4t0gFMhzxo9ZkaE5ke 9189iurkxF6QTsgeFS1ocl6iNdQMmsBZeE+QPRbxIVoo7/iyT4FZVDHs6Z2o= X-Google-Smtp-Source: AGHT+IEokuLZ+iR5HIx4YBgvSNSnQS+Wg7ba3DYmE+rGJJz0Xo4CronbAJ94vvIPH73Hph73TIm3b7xgILw+/uSDpQ4xc7C8JkgK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:edc4:0:b0:659:9a49:9025 with SMTP id 006d021491bc7-65b452c8695mr5876815eaf.82.1765925569859; Tue, 16 Dec 2025 14:52:49 -0800 (PST) Date: Tue, 16 Dec 2025 14:52:49 -0800 In-Reply-To: <692f9906.a70a0220.d98e3.01ae.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6941e2c1.a70a0220.25eec0.000b.GAE@google.com> Subject: Forwarded: [PATCH] crypto: adiantum: initialize rbuf.bignum to fix KMSAN uninit-value bug From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com 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, syzkaller-bugs@googlegroups.com. *** Subject: [PATCH] crypto: adiantum: initialize rbuf.bignum to fix KMSAN unin= it-value bug Author: katharasasikumar007@gmail.com Signed-off-by: Kathara Sasikumar #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git= master --- crypto/adiantum.c | 1 + 1 file changed, 1 insertion(+) diff --git a/crypto/adiantum.c b/crypto/adiantum.c index a6bca877c3c7..0803451fdbb7 100644 --- a/crypto/adiantum.c +++ b/crypto/adiantum.c @@ -350,6 +350,7 @@ static int adiantum_crypt(struct skcipher_request *req,= bool enc) if (req->cryptlen < BLOCKCIPHER_BLOCK_SIZE) return -EINVAL; =20 + memset(&rctx->rbuf.bignum, 0, sizeof(rctx->rbuf.bignum)); rctx->enc =3D enc; =20 /* --=20 2.51.0