From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id C2E0F49185 for ; Sun, 5 May 2024 01:19:17 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DE74F68D599; Sun, 5 May 2024 04:19:07 +0300 (EEST) Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 4B28768D569 for ; Sun, 5 May 2024 04:19:01 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 7F29820004 for ; Sun, 5 May 2024 01:19:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1714871940; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aU9hcE14BnrnWHkNB1b2rwrjEvxAFLhKk/4eTF/CsNU=; b=drGKArT5jl/y7dZprQcHKKHGjWztNkTO3RsacDzX85rVoVQ7oiTnUbEEMjkuxsoVxZTcAD 3KjH/0yWlv8DgJvSdUqvNx1wJJdc1l8Za8TIQ2AHzPBWonhT6F7Jy8VtCjpG4f68TZ8v4C TQLFmAeg2C9JuMrwu5JgxpzXComDAkyeDnUh67V5OCn4dP3bg6TuwlsVznKXmxQUpEp08o 5lDU4kAfJre4xuBovgtTE46u8gE4NTQrNjovQuhJxhwnNzaph8vg2PKJjW7j9BoOcFgG7b SurAWTVC8XoYG+QMgAH321vU0k61+QQpt93SiRyc8Ul+YyuM3xN3qPQ2JUhu7w== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 5 May 2024 03:18:58 +0200 Message-ID: <20240505011858.2888667-2-michael@niedermayer.cc> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240505011858.2888667-1-michael@niedermayer.cc> References: <20240505011858.2888667-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 2/2] tools/target_enc_fuzzer: Only read pix_fmts if its set X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Fixes: null pointer dereference Fixes: rawvideo encoder Signed-off-by: Michael Niedermayer --- tools/target_enc_fuzzer.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/tools/target_enc_fuzzer.c b/tools/target_enc_fuzzer.c index 1749f6905bd..0345595ada7 100644 --- a/tools/target_enc_fuzzer.c +++ b/tools/target_enc_fuzzer.c @@ -130,10 +130,12 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { flags64 = bytestream2_get_le64(&gbc); - int npixfmts = 0; - while (c->p.pix_fmts[npixfmts++] != AV_PIX_FMT_NONE) - ; - ctx->pix_fmt = c->p.pix_fmts[bytestream2_get_byte(&gbc) % npixfmts]; + if (c->p.pix_fmts) { + int npixfmts = 0; + while (c->p.pix_fmts[npixfmts++] != AV_PIX_FMT_NONE) + ; + ctx->pix_fmt = c->p.pix_fmts[bytestream2_get_byte(&gbc) % npixfmts]; + } switch (c->p.id) { case AV_CODEC_ID_FFV1:{ -- 2.43.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".