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([2a00:1370:8180:6b00:a1a8:4887:1af4:637a]) by smtp.gmail.com with ESMTPSA id v22-20020ac25596000000b004fb745fd21esm1193749lfg.122.2023.07.13.11.24.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Jul 2023 11:24:17 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------p02ftcxQI3q46laEXz8xbUKm" Message-ID: Date: Thu, 13 Jul 2023 21:24:16 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in bcmp Content-Language: en-US To: syzbot , almaz.alexandrovich@paragon-software.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, nathan@kernel.org, ndesaulniers@google.com, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, trix@redhat.com References: <0000000000009467500600449f6c@google.com> From: Pavel Skripkin In-Reply-To: <0000000000009467500600449f6c@google.com> X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------p02ftcxQI3q46laEXz8xbUKm Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Syzbot, Syzbot says: > Hello, > > syzbot found the following issue on: > > HEAD commit: 8689f4f2ea56 Merge tag 'mmc-v6.5-2' of git://git.kernel.or.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=1658af44a80000 > kernel config: https://syzkaller.appspot.com/x/.config?x=15873d91ff37a949 > dashboard link: https://syzkaller.appspot.com/bug?extid=53ce40c8c0322c06aea5 > compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12f82688a80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12d54a78a80000 > #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master With regards, Pavel Skripkin --------------p02ftcxQI3q46laEXz8xbUKm Content-Type: text/plain; charset=UTF-8; name="ph" Content-Disposition: attachment; filename="ph" Content-Transfer-Encoding: base64 ZGlmZiAtLWdpdCBhL2ZzL250ZnMzL3N1cGVyLmMgYi9mcy9udGZzMy9zdXBlci5jCmluZGV4 IDFhMDIwNzJiNmIwZS4uZTA0ZTg5YjczMzVlIDEwMDY0NAotLS0gYS9mcy9udGZzMy9zdXBl ci5jCisrKyBiL2ZzL250ZnMzL3N1cGVyLmMKQEAgLTg1NSw2ICs4NTUsMTEgQEAgc3RhdGlj IGludCBudGZzX2luaXRfZnJvbV9ib290KHN0cnVjdCBzdXBlcl9ibG9jayAqc2IsIHUzMiBz ZWN0b3Jfc2l6ZSwKIAogY2hlY2tfYm9vdDoKIAllcnIgPSAtRUlOVkFMOworCisJLyogQ29y cnVwdGVkIGltYWdlOyBkbyBub3QgcmVhZCBPT0IgKi8KKwlpZiAoYmgtPmJfc2l6ZSAtIHNp emVvZigqYm9vdCkgPCBib290X29mZikKKwkJZ290byBvdXQ7CisKIAlib290ID0gKHN0cnVj dCBOVEZTX0JPT1QgKilBZGQyUHRyKGJoLT5iX2RhdGEsIGJvb3Rfb2ZmKTsKIAogCWlmICht ZW1jbXAoYm9vdC0+c3lzdGVtX2lkLCAiTlRGUyAgICAiLCBzaXplb2YoIk5URlMgICAgIikg LSAxKSkgewo= --------------p02ftcxQI3q46laEXz8xbUKm--