From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 85B2A341044 for ; Sat, 7 Feb 2026 20:41:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770496866; cv=none; b=dHxgOKLdrKO4wLAyWZTeQsImfRq8c2RxYRln74KzeMlCPadQv8HZjRFMpcizcAGbCA43asOwrVG2t055CEfdgzxV/1ePjyDE7XH3MWbnOi//RHmFVIzyuf//tkS9TbhXl3ou6/ljdG/kbG531Y2s3Dhl0yLkqdqIL3qbK67cjsk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770496866; c=relaxed/simple; bh=NFXuObFz3vJ7A/dKbK+nsio1OTd6Mx/eOzYPUlA2wM4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=Le8XBxrBWqj6P6XwHvtJxBRm7W8VR75vRUW+iLxLjxMC7ozEwM6lPeMGgGX/Zk9Wj0tqUynIkx3hW5gUHQdmKm7vCDIJlAxyKTb0bN4Vsp+PqZktrJ9AUx4fRaAWfwwU22n4ZkoRd6RBzQ3FeWMNZY/DeZVgKik9rKYHOq6aTE4= 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=209.85.161.71 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-f71.google.com with SMTP id 006d021491bc7-662ff11fff8so13354099eaf.3 for ; Sat, 07 Feb 2026 12:41:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770496865; x=1771101665; h=cc: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=PC+oCfOCUCeUZ9L6PdRZhmmR2J02PgZpdyewNc1ze6k=; b=bHlm8DfzDWc2eD/PMKY4YeQfrzqQOvDnyH8mIsR1UlwyQg8VtMETR6Mfjla60bnAch Av1ngEak1MRo+sGqAMejEhbtV7+Y1eoc0HptOR3I6/5zZ7/sBUvs5GpxLPYU0BuPKeyg NGuQV43pBaerMr4nM8INb8SoaJYeLkip2ZziNOMKZcC8463egWOn0IEKkqHppq6F9jID JvcGIHenvYmxOvdAoU975w4NrKkAOaEbyi0XV1GzbuaNCKutmu5QfBLCE+hzyX7h5AE+ v69FO3wG2U30Ri3lSi+ExLBBaEgufDXIOCYp02mZ0bnUwlCMnOaamiZw2Kn+j73QvdwU 8dPg== X-Forwarded-Encrypted: i=1; AJvYcCU5O0uuz4Q56CJ714I3QOFK6t2JhDUi4Guu+mUSi/7umzghWFa5JcFesE6nVgNjMle27ArC2ex4/6omu1w=@vger.kernel.org X-Gm-Message-State: AOJu0YwheAGMHDTxMAmsURwHwO4IDwBtKKvXRiFuxLcItTpiweiMMGRB YMCLwEyZk1SY8Ha678LT1iIGhe8bdClLwd7HJMpOYbKFL56GFoWEu7S+m31aVqDCT4zmpspCpNA i2fsP0lYTVHBc5VilZ4YhHx6V+PJv6IWNJFRtSkR2iqpI6zT0gVEFqEGO9Xc= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:f022:b0:659:9a49:9026 with SMTP id 006d021491bc7-66d0d6dc730mr3012398eaf.83.1770496865453; Sat, 07 Feb 2026 12:41:05 -0800 (PST) Date: Sat, 07 Feb 2026 12:41:05 -0800 In-Reply-To: <20260207203947.4354-1-officialsohamkute@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6987a361.a00a0220.34fa92.0037.GAE@google.com> Subject: Re: [PATCH] [PATCH v2] media: vidtv: fix general protection fault in vidtv_psi_ts_psi_write_into From: syzbot To: officialsohamkute@gmail.com Cc: dwlsalmeida@gmail.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, officialsohamkute@gmail.com Content-Type: text/plain; charset="UTF-8" > Add defensive validation for psi_write_args pointers to avoid > null pointer dereference reported by syzbot. > > Reported-by: syzbot+814c351d094f41a1b86@syzkaller.appspotmail.com > > Signed-off-by: Soham Kute > --- > drivers/media/test-drivers/vidtv/vidtv_psi.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/test-drivers/vidtv/vidtv_psi.c b/drivers/media/test-drivers/vidtv/vidtv_psi.c > index 2a51c898c..bac0ea03b 100644 > --- a/drivers/media/test-drivers/vidtv/vidtv_psi.c > +++ b/drivers/media/test-drivers/vidtv/vidtv_psi.c > @@ -156,7 +156,13 @@ static void vidtv_psi_set_sec_len(struct vidtv_psi_table_header *h, u16 new_len) > * add stuffing (i.e. padding bytes) after the CRC > */ > static u32 vidtv_psi_ts_psi_write_into(struct psi_write_args *args) > -{ > +{ > + if (!args || !args->dest_buf || !args->from || > + !args->continuity_counter) { > + pr_warn_once("%s: invalid write arguments\n", __func__); > + return 0; > + } > + > struct vidtv_mpeg_ts ts_header = { > .sync_byte = TS_SYNC_BYTE, > .bitfield = cpu_to_be16((args->new_psi_section << 14) | args->pid), > -- > 2.34.1 > I see the command but can't find the corresponding bug. The email is sent to syzbot+HASH@syzkaller.appspotmail.com address but the HASH does not correspond to any known bug. Please double check the address.