From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f70.google.com (mail-ot1-f70.google.com [209.85.210.70]) (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 8847D33C182 for ; Sat, 7 Feb 2026 20:16:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770495413; cv=none; b=OxNxuCMZpvwvFANAyIvn/PPsuIMHKvOJZsUG/OXoK+GubpvBAQvZTipxTFswSL1Py3+h9dyny+97em0T+GObp/gx7upL37nmG7d7TRl2G3tOwsbC2IvNU4Tuv59NXvNOe1Z24abIFDP0IdT2QXezHPbOvH4eJS5CAjmxtcb0TW4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770495413; c=relaxed/simple; bh=NFXuObFz3vJ7A/dKbK+nsio1OTd6Mx/eOzYPUlA2wM4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=H498kdNcW5UPz6KOgeGlFj49RasJ+rXvjn5Dn1Duhf4kPUvzVPwN+1oDc1KARtGV0Jc+5544gT4BJbNZiELMWvV8efY9PU1lySM+97NBQtDhtqAUNneMadgdoLumpR8Bgrz56HBxdZLWeD0z313IKU3j4KxrfVJbinNuszFIruI= 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=209.85.210.70 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-ot1-f70.google.com with SMTP id 46e09a7af769-7d195fe3eb4so13652140a34.3 for ; Sat, 07 Feb 2026 12:16:53 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770495412; x=1771100212; 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=bV8H8jaKc72KAjpV7/GMQ1O/H0LFncMJslW59xMujUzurE+Iywi27FqkIaF6tUlqZi X7u2aSqk5nD5ku/ubhU6TmsBXSQv3YCj324IK1l/Tk7UzHnGyJIUhTeYuh3jJigkg/y3 DOMzEBhJkt8gflEK4C8x9/4unHJjpfQjfxToC4BqWJq6LLmZfqi/ahH/SAIuju4boJ/R pDITgYG7QobImFq5V5bDzWAG/WR9Zh5wsccLytYyzjfxeFO+oBGgUybdmApRMcECymHw e821PBcW8uiwsLdEkgq+D2ZYz7WR0Jfui55McJnVOXD+I9Qb2xpvfvLX64JVerbOPbW+ RLFQ== X-Forwarded-Encrypted: i=1; AJvYcCWJoi88d5IaSAAlf7axqsuv1P8c3xbhsOeuuwGrQ+/wyVzqiv9lC6mg/pNVcoLs57EGNH4+hzsr0txJzqE=@vger.kernel.org X-Gm-Message-State: AOJu0YyuCE0RuTlVQNfqHoXF5d+/UqPpKFvzJ6MSDu4H7WXykz9VDt2E fIpGM+Ng4Tc1OARkIo8w8relIQ6R/sYRUTe+SZKhodQfkXN9m63NiHlrTv/m5PTiwwmPjde8y76 TlE1dHfTksPS2zvZ9uCobjwG0N+QLvhGsN9ARqCfs59NPKqtUtiiPkEvIOb0= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:220b:b0:664:86ce:df3f with SMTP id 006d021491bc7-66d0bea8a2fmr3870902eaf.51.1770495412480; Sat, 07 Feb 2026 12:16:52 -0800 (PST) Date: Sat, 07 Feb 2026 12:16:52 -0800 In-Reply-To: <20260207201601.50478-1-officialsohamkute@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69879db4.a00a0220.37c87e.0040.GAE@google.com> Subject: Re: [PATCH] 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.