From nobody Sat Feb 7 15:11:20 2026 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 6A27B2F99AA for ; Wed, 22 Oct 2025 09:20:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761124841; cv=none; b=cHl+yibpfYtZZ8MyAOx18E2C6ECA8LwyscIISCzjyFtCu14Kk2dQQm4kWuGHMkoX3MM7Fbow5lbHfHcaofYV98DnTHJ11ZV4mV3PsuUQ3Xj0KI7PrWxnr0lHe7PPKIg5we0PqEby1REHJx1R/IA+kZhS+NwWnLKHA1VDiz2LxjM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761124841; c=relaxed/simple; bh=og81uqBUgz5EaG+0WapXOEXJIvjR7PWSLxAz2EYeLUQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=EwGnNlmWGUDxqTgPQuwHrzrg9gXVoW5lnbbgd9lxn+x/Z8ohWtzZtlvyUbVLuLr5cipL+cuQbrCfXFnUB5u9//5fN8bD2+BWC6ildc95NY7DkH6u+B4L0LVw+hDZwQqNr2nwNqkFmONsUUkidLHWAiG2NHEYXtFpYXSMK5uPkzA= 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=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-430d082fc3dso136093185ab.3 for ; Wed, 22 Oct 2025 02:20:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761124839; x=1761729639; 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=90yOoCa4BFbTwgoSk02jTAOXOk2iWof/2nKMp5Vf6Ik=; b=GfVH45Q7huoCdv/cM9fHFzT4H7uTz5JGpJB5i6x7W8vDxC8nnukrqHlX3uMXWyREvo uwTfp7IAwHv5LqYZOc/9THb/2BIcyKy20cF9cLEZXFEyaw3GtFs+mIBRuwfNDvVIwcs+ BDNzTGhu/BpNMDAUmTGmPUJuf3tVYn40sHK1f4+Oh0wsDNCo3pZb10Lw/qIAO7fscEvX EHYF7v5N6XaKKk8drI6DqpK1mhJ2eLGnRYSRNCrPTf09T8I0xhiHrN18KwVNgLdfLlO8 ktPrvhbCjy8y4eYIPLNhlE0C/lyQuHcTlKcRhMSAD5vpLSmssUrX/rwdcWQ6DF0R1IhF 6eJg== X-Gm-Message-State: AOJu0YxqwyDPaj7Vd3c+quOBr7xrvsaPpWoy+jUwpMbwrP39hO//J7xS 5BujF9ycTqAe0JcZkTdskOoe6xC64VlX9PZ+kPuIM5CJFTWksWjArbvZgkUh4KpAABuwz+4Prtb TLnJjv4TqcC4Ei+dqEcle2mv96nAnfAbUwZ4G5aO0bg4chRTUdhmahT/S6Zw= X-Google-Smtp-Source: AGHT+IGkDxoOO6lpPsVpOkkn94G2nfNDVd5taDUKuKUIWaLso8AozHBW11IPAI0h7dBtIv3uSjpSDPEZUL4noZnieXdhMFsEZDz1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2218:b0:431:b1fe:147f with SMTP id e9e14a558f8ab-431b1fe1670mr68989245ab.18.1761124839647; Wed, 22 Oct 2025 02:20:39 -0700 (PDT) Date: Wed, 22 Oct 2025 02:20:39 -0700 In-Reply-To: <68f659cd.050a0220.91a22.044c.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68f8a1e7.050a0220.346f24.003c.GAE@google.com> Subject: Forwarded: Test patch for KMSAN: uninit-value in sctp_inq_pop 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: Test patch for KMSAN: uninit-value in sctp_inq_pop Author: vnranganath.20@gmail.com #syz test diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c index 5c1652181805..8c0a5e23bbb9 100644 --- a/net/sctp/inqueue.c +++ b/net/sctp/inqueue.c @@ -120,7 +120,9 @@ struct sctp_chunk *sctp_inq_pop(struct sctp_inq *queue) /* The assumption is that we are safe to process the chunks * at this time. */ - + chunk =3D kzalloc(sizeof(*chunk), gfp); + if (!chunk) + return NULL; chunk =3D queue->in_progress; if (chunk) { /* There is a packet that we have been working on.