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([2804:7f1:e2c0:aba3:7663:8830:3d6b:aa9f]) by smtp.gmail.com with ESMTPSA id sm18-20020a17090b2e5200b002868abc0e6dsm23728840pjb.11.2023.12.31.06.38.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 31 Dec 2023 06:38:38 -0800 (PST) Content-Type: multipart/mixed; boundary="------------DZCjMqNSLymT7pgbPgIO0S5l" Message-ID: <1882b96d-0625-4702-b496-161b387d089f@mojatatu.com> Date: Sun, 31 Dec 2023 11:38:35 -0300 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] [net?] general protection fault in htb_tcf_block Content-Language: en-US To: syzbot , davem@davemloft.net, edumazet@google.com, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, pctammela@mojatatu.com, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com References: <00000000000082f2f2060dcc3a92@google.com> From: Victor Nogueira In-Reply-To: <00000000000082f2f2060dcc3a92@google.com> This is a multi-part message in MIME format. --------------DZCjMqNSLymT7pgbPgIO0S5l Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 31/12/2023 08:04, syzbot wrote: > HEAD commit: c2b2ee36250d bridge: cfm: fix enum typo in br_cc_ccm_tx_pa.. > git tree: net-next > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1041287ee80000 #syz test --------------DZCjMqNSLymT7pgbPgIO0S5l Content-Type: text/x-patch; charset=UTF-8; name="0001-net-sched-We-should-only-add-appropriate-qdiscs-bloc.patch" Content-Disposition: attachment; filename*0="0001-net-sched-We-should-only-add-appropriate-qdiscs-bloc.pa"; filename*1="tch" Content-Transfer-Encoding: base64 RnJvbSBlNjMzNDA3MDdjZTg1Zjg2MDhlM2MzYWUzY2VjMTM0MGVmMTdlZWRlIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBWaWN0b3IgTm9ndWVpcmEgPHZpY3RvckBtb2phdGF0 dS5jb20+CkRhdGU6IFRodSwgMjggRGVjIDIwMjMgMTM6MTg6NDkgKzAwMDAKU3ViamVjdDog W1BBVENIIG5ldC1uZXh0IDEvMV0gbmV0L3NjaGVkOiBXZSBzaG91bGQgb25seSBhZGQgYXBw cm9wcmlhdGUgcWRpc2NzCiBibG9ja3MgdG8gcG9ydHMnIHhhcnJheQoKV2Ugc2hvdWxkIG9u bHkgYWRkIHFkaXNjcyB0byB0aGUgYmxvY2tzIHBvcnRzJyB4YXJyYXkgaW4gaW5ncmVzcyB0 aGF0CnN1cHBvcnQgaW5ncmVzc19ibG9ja19zZXQvZ2V0IG9yIGluIGVncmVzcyB0aGF0IHN1 cHBvcnQKZWdyZXNzX2Jsb2NrX3NldC9nZXQuCgpGaXhlczogOTEzYjQ3ZDM0MjRlICgibmV0 L3NjaGVkOiBJbnRyb2R1Y2UgdGMgYmxvY2sgbmV0ZGV2IHRyYWNraW5nIGluZnJhIikKClNp Z25lZC1vZmYtYnk6IFZpY3RvciBOb2d1ZWlyYSA8dmljdG9yQG1vamF0YXR1LmNvbT4KUmV2 aWV3ZWQtYnk6IEphbWFsIEhhZGkgU2FsaW0gPGpoc0Btb2phdGF0dS5jb20+Ci0tLQogbmV0 L3NjaGVkL3NjaF9hcGkuYyB8IDM0ICsrKysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0t LS0KIDEgZmlsZSBjaGFuZ2VkLCAyMCBpbnNlcnRpb25zKCspLCAxNCBkZWxldGlvbnMoLSkK CmRpZmYgLS1naXQgYS9uZXQvc2NoZWQvc2NoX2FwaS5jIGIvbmV0L3NjaGVkL3NjaF9hcGku YwppbmRleCAyOTkwODZiYjYyMDUuLjQyNmJlODEyNzZmMSAxMDA2NDQKLS0tIGEvbmV0L3Nj aGVkL3NjaF9hcGkuYworKysgYi9uZXQvc2NoZWQvc2NoX2FwaS5jCkBAIC0xMTg3LDIzICsx MTg3LDI5IEBAIHN0YXRpYyBpbnQgcWRpc2NfYmxvY2tfYWRkX2RldihzdHJ1Y3QgUWRpc2Mg KnNjaCwgc3RydWN0IG5ldF9kZXZpY2UgKmRldiwKIAlzdHJ1Y3QgdGNmX2Jsb2NrICpibG9j azsKIAlpbnQgZXJyOwogCi0JYmxvY2sgPSBjbF9vcHMtPnRjZl9ibG9jayhzY2gsIFRDX0hf TUlOX0lOR1JFU1MsIE5VTEwpOwotCWlmIChibG9jaykgewotCQllcnIgPSB4YV9pbnNlcnQo JmJsb2NrLT5wb3J0cywgZGV2LT5pZmluZGV4LCBkZXYsIEdGUF9LRVJORUwpOwotCQlpZiAo ZXJyKSB7Ci0JCQlOTF9TRVRfRVJSX01TRyhleHRhY2ssCi0JCQkJICAgICAgICJpbmdyZXNz IGJsb2NrIGRldiBpbnNlcnQgZmFpbGVkIik7Ci0JCQlyZXR1cm4gZXJyOworCWlmIChzY2gt Pm9wcy0+aW5ncmVzc19ibG9ja19nZXQpIHsKKwkJYmxvY2sgPSBjbF9vcHMtPnRjZl9ibG9j ayhzY2gsIFRDX0hfTUlOX0lOR1JFU1MsIE5VTEwpOworCQlpZiAoYmxvY2spIHsKKwkJCWVy ciA9IHhhX2luc2VydCgmYmxvY2stPnBvcnRzLCBkZXYtPmlmaW5kZXgsIGRldiwKKwkJCQkJ R0ZQX0tFUk5FTCk7CisJCQlpZiAoZXJyKSB7CisJCQkJTkxfU0VUX0VSUl9NU0coZXh0YWNr LAorCQkJCQkgICAgICAgImluZ3Jlc3MgYmxvY2sgZGV2IGluc2VydCBmYWlsZWQiKTsKKwkJ CQlyZXR1cm4gZXJyOworCQkJfQogCQl9CiAJfQogCi0JYmxvY2sgPSBjbF9vcHMtPnRjZl9i bG9jayhzY2gsIFRDX0hfTUlOX0VHUkVTUywgTlVMTCk7Ci0JaWYgKGJsb2NrKSB7Ci0JCWVy ciA9IHhhX2luc2VydCgmYmxvY2stPnBvcnRzLCBkZXYtPmlmaW5kZXgsIGRldiwgR0ZQX0tF Uk5FTCk7Ci0JCWlmIChlcnIpIHsKLQkJCU5MX1NFVF9FUlJfTVNHKGV4dGFjaywKLQkJCQkg ICAgICAgIkVncmVzcyBibG9jayBkZXYgaW5zZXJ0IGZhaWxlZCIpOwotCQkJZ290byBlcnJf b3V0OworCWlmIChzY2gtPm9wcy0+ZWdyZXNzX2Jsb2NrX2dldCkgeworCQlibG9jayA9IGNs X29wcy0+dGNmX2Jsb2NrKHNjaCwgVENfSF9NSU5fRUdSRVNTLCBOVUxMKTsKKwkJaWYgKGJs b2NrKSB7CisJCQllcnIgPSB4YV9pbnNlcnQoJmJsb2NrLT5wb3J0cywgZGV2LT5pZmluZGV4 LCBkZXYsCisJCQkJCUdGUF9LRVJORUwpOworCQkJaWYgKGVycikgeworCQkJCU5MX1NFVF9F UlJfTVNHKGV4dGFjaywKKwkJCQkJICAgICAgICJFZ3Jlc3MgYmxvY2sgZGV2IGluc2VydCBm YWlsZWQiKTsKKwkJCQlnb3RvIGVycl9vdXQ7CisJCQl9CiAJCX0KIAl9CiAKLS0gCjIuMjUu MQoK --------------DZCjMqNSLymT7pgbPgIO0S5l--