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([2a01:e11:5400:7400:850c:5867:abe5:b8c9]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5cb6696b530sm3364306a12.2.2024.10.22.10.05.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Oct 2024 10:05:41 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------wOqDG0apWDVPMEj0aUcjt0Tb" Message-ID: Date: Tue, 22 Oct 2024 19:05:39 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [hfs?] KMSAN: uninit-value in __hfs_ext_cache_extent (2) To: syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <6717ca24.050a0220.10f4f4.0150.GAE@google.com> From: Gianfranco Trad Content-Language: en-US, it In-Reply-To: <6717ca24.050a0220.10f4f4.0150.GAE@google.com> This is a multi-part message in MIME format. --------------wOqDG0apWDVPMEj0aUcjt0Tb Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit #syz test // test if KMSAN bug was truly fixed and only BUG() happens now --------------wOqDG0apWDVPMEj0aUcjt0Tb Content-Type: text/x-patch; charset=UTF-8; name="0001-hfs-zero-initialize-ptr-handle-no-root-and-comment-B.patch" Content-Disposition: attachment; filename*0="0001-hfs-zero-initialize-ptr-handle-no-root-and-comment-B.pa"; filename*1="tch" Content-Transfer-Encoding: base64 RnJvbSAwMDYwOTJlODUwMDEwN2U0MTcwNGNjNGMxMzI2OGE4ZDNhOTFkZWI2IE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBHaWFuZnJhbmNvIFRyYWQgPGdpYW5mLnRyYWRAZ21h aWwuY29tPgpEYXRlOiBUdWUsIDIyIE9jdCAyMDI0IDE5OjAxOjU1ICswMjAwClN1YmplY3Q6 IFtQQVRDSF0gaGZzOiB6ZXJvLWluaXRpYWxpemUgcHRyLCBoYW5kbGUgbm8gcm9vdCBhbmQg Y29tbWVudCBCVUcoKQoKU2lnbmVkLW9mZi1ieTogR2lhbmZyYW5jbyBUcmFkIDxnaWFuZi50 cmFkQGdtYWlsLmNvbT4KLS0tCiBmcy9oZnMvYmZpbmQuYyAgfCAyICstCiBmcy9oZnMvZXh0 ZW50LmMgfCAyICsrCiBmcy9oZnMvaW5vZGUuYyAgfCAyICstCiAzIGZpbGVzIGNoYW5nZWQs IDQgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9mcy9oZnMv YmZpbmQuYyBiL2ZzL2hmcy9iZmluZC5jCmluZGV4IGVmOTQ5OGE2ZTg4YS4uYzc0ZDg2NGJj MjllIDEwMDY0NAotLS0gYS9mcy9oZnMvYmZpbmQuYworKysgYi9mcy9oZnMvYmZpbmQuYwpA QCAtMTgsNyArMTgsNyBAQCBpbnQgaGZzX2ZpbmRfaW5pdChzdHJ1Y3QgaGZzX2J0cmVlICp0 cmVlLCBzdHJ1Y3QgaGZzX2ZpbmRfZGF0YSAqZmQpCiAKIAlmZC0+dHJlZSA9IHRyZWU7CiAJ ZmQtPmJub2RlID0gTlVMTDsKLQlwdHIgPSBrbWFsbG9jKHRyZWUtPm1heF9rZXlfbGVuICog MiArIDQsIEdGUF9LRVJORUwpOworCXB0ciA9IGt6YWxsb2ModHJlZS0+bWF4X2tleV9sZW4g KiAyICsgNCwgR0ZQX0tFUk5FTCk7CiAJaWYgKCFwdHIpCiAJCXJldHVybiAtRU5PTUVNOwog CWZkLT5zZWFyY2hfa2V5ID0gcHRyOwpkaWZmIC0tZ2l0IGEvZnMvaGZzL2V4dGVudC5jIGIv ZnMvaGZzL2V4dGVudC5jCmluZGV4IDRhMGNlMTMxZTIzMy4uMTRmZDBhN2JjYTE0IDEwMDY0 NAotLS0gYS9mcy9oZnMvZXh0ZW50LmMKKysrIGIvZnMvaGZzL2V4dGVudC5jCkBAIC0xNjAs NiArMTYwLDggQEAgc3RhdGljIGlubGluZSBpbnQgX19oZnNfZXh0X3JlYWRfZXh0ZW50KHN0 cnVjdCBoZnNfZmluZF9kYXRhICpmZCwgc3RydWN0IGhmc19leHQKIAlpZiAoZmQtPmtleS0+ ZXh0LkZOdW0gIT0gZmQtPnNlYXJjaF9rZXktPmV4dC5GTnVtIHx8CiAJICAgIGZkLT5rZXkt PmV4dC5Ga1R5cGUgIT0gZmQtPnNlYXJjaF9rZXktPmV4dC5Ga1R5cGUpCiAJCXJldHVybiAt RU5PRU5UOworCWlmICghZmQtPnRyZWUtPnJvb3QgJiYgcmVzID09IC1FTk9FTlQpCisJCXJl dHVybiAtRU5PRU5UOwogCWlmIChmZC0+ZW50cnlsZW5ndGggIT0gc2l6ZW9mKGhmc19leHRl bnRfcmVjKSkKIAkJcmV0dXJuIC1FSU87CiAJaGZzX2Jub2RlX3JlYWQoZmQtPmJub2RlLCBl eHRlbnQsIGZkLT5lbnRyeW9mZnNldCwgc2l6ZW9mKGhmc19leHRlbnRfcmVjKSk7CmRpZmYg LS1naXQgYS9mcy9oZnMvaW5vZGUuYyBiL2ZzL2hmcy9pbm9kZS5jCmluZGV4IGE4MWNlN2E3 NDBiOS4uYTNiYzQzZGJiZTE0IDEwMDY0NAotLS0gYS9mcy9oZnMvaW5vZGUuYworKysgYi9m cy9oZnMvaW5vZGUuYwpAQCAtNDQxLDcgKzQ0MSw3IEBAIGludCBoZnNfd3JpdGVfaW5vZGUo c3RydWN0IGlub2RlICppbm9kZSwgc3RydWN0IHdyaXRlYmFja19jb250cm9sICp3YmMpCiAJ CQloZnNfYnRyZWVfd3JpdGUoSEZTX1NCKGlub2RlLT5pX3NiKS0+Y2F0X3RyZWUpOwogCQkJ cmV0dXJuIDA7CiAJCWRlZmF1bHQ6Ci0JCQlCVUcoKTsKKwkJCS8vQlVHKCk7CiAJCQlyZXR1 cm4gLUVJTzsKIAkJfQogCX0KLS0gCjIuNDMuMAoK --------------wOqDG0apWDVPMEj0aUcjt0Tb--