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[89.74.12.251]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-2ec4e07e08esm15254291fa.24.2024.06.26.11.45.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jun 2024 11:45:14 -0700 (PDT) From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= To: ffmpeg-devel@ffmpeg.org Date: Wed, 26 Jun 2024 20:44:40 +0200 Message-ID: <20240626184440.1318-1-kasper93@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/jpegxl_parser: check remaining data buffer size 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 Cc: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Rml4ZXMgdXNlIG9mIHVuaW5pdGlhbGl6ZWQgdmFsdWUsIHJlcG9ydGVkIGJ5IE1TQU4uCgpGb3Vu ZCBieSBPU1MtRnV6ei4KClNpZ25lZC1vZmYtYnk6IEthY3BlciBNaWNoYWrFgm93IDxrYXNwZXI5 M0BnbWFpbC5jb20+Ci0tLQogbGliYXZjb2RlYy9qcGVneGxfcGFyc2VyLmMgfCA3ICsrKysrKy0K IDEgZmlsZSBjaGFuZ2VkLCA2IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1n aXQgYS9saWJhdmNvZGVjL2pwZWd4bF9wYXJzZXIuYyBiL2xpYmF2Y29kZWMvanBlZ3hsX3BhcnNl ci5jCmluZGV4IDhjNDVlMWExYjcuLjgzNzFkNzhhNDUgMTAwNjQ0Ci0tLSBhL2xpYmF2Y29kZWMv anBlZ3hsX3BhcnNlci5jCisrKyBiL2xpYmF2Y29kZWMvanBlZ3hsX3BhcnNlci5jCkBAIC01MDQs OSArNTA0LDE0IEBAIHN0YXRpYyBpbnQgcmVhZF9kaXN0X2NsdXN0ZXJpbmcoR2V0Qml0Q29udGV4 dCAqZ2IsIEpYTEVudHJvcHlEZWNvZGVyICpkZWMsIEpYTERpCiAgICAgICAgIHJldHVybiAwOwog ICAgIH0KIAorICAgIGlmIChnZXRfYml0c19sZWZ0KGdiKSA8PSAwKQorICAgICAgICByZXR1cm4g QVZFUlJPUl9CVUZGRVJfVE9PX1NNQUxMOworCiAgICAgaWYgKGdldF9iaXRzMShnYikpIHsKICAg ICAgICAgLyogc2ltcGxlIGNsdXN0ZXJpbmcgKi8KLSAgICAgICAgdWludDMyX3QgbmJpdHMgPSBn ZXRfYml0cyhnYiwgMik7CisgICAgICAgIGludCBuYml0cyA9IGdldF9iaXRzKGdiLCAyKTsKKyAg ICAgICAgaWYgKGdldF9iaXRzX2xlZnQoZ2IpIDwgbmJpdHMgKiBidW5kbGUtPm51bV9kaXN0KQor ICAgICAgICAgICAgcmV0dXJuIEFWRVJST1JfQlVGRkVSX1RPT19TTUFMTDsKICAgICAgICAgZm9y IChpbnQgaSA9IDA7IGkgPCBidW5kbGUtPm51bV9kaXN0OyBpKyspCiAgICAgICAgICAgICBidW5k bGUtPmNsdXN0ZXJfbWFwW2ldID0gZ2V0X2JpdHN6KGdiLCBuYml0cyk7CiAgICAgfSBlbHNlIHsK LS0gCjIuNDMuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KZmZtcGVnLWRldmVsIG1haWxpbmcgbGlzdApmZm1wZWctZGV2ZWxAZmZtcGVnLm9yZwpodHRw czovL2ZmbXBlZy5vcmcvbWFpbG1hbi9saXN0aW5mby9mZm1wZWctZGV2ZWwKClRvIHVuc3Vic2Ny aWJlLCB2aXNpdCBsaW5rIGFib3ZlLCBvciBlbWFpbApmZm1wZWctZGV2ZWwtcmVxdWVzdEBmZm1w ZWcub3JnIHdpdGggc3ViamVjdCAidW5zdWJzY3JpYmUiLgo=