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([2405:201:31:d869:2a74:b29f:f7bf:865c]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3476004dc3dsm1233033a91.9.2025.11.25.12.03.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Nov 2025 12:03:53 -0800 (PST) Content-Type: multipart/mixed; boundary="------------tuNW2XxNaqyyWBk1xGlWGOZ3" Message-ID: <38778a8e-ddd2-44a6-8d45-d6871de34f30@gmail.com> Date: Wed, 26 Nov 2025 01:33:41 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: syzbot+2fa344348a579b779e05@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <6925da1b.a70a0220.d98e3.00af.GAE@google.com> Subject: Re: [syzbot] [batman?] KMSAN: uninit-value in skb_clone Content-Language: en-US From: shaurya In-Reply-To: <6925da1b.a70a0220.d98e3.00af.GAE@google.com> This is a multi-part message in MIME format. --------------tuNW2XxNaqyyWBk1xGlWGOZ3 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --------------tuNW2XxNaqyyWBk1xGlWGOZ3 Content-Type: text/x-patch; charset=UTF-8; name="0001-hsr-fix-NULL-pointer-dereference-in-skb_clone-with-h.patch" Content-Disposition: attachment; filename*0="0001-hsr-fix-NULL-pointer-dereference-in-skb_clone-with-h.pa"; filename*1="tch" Content-Transfer-Encoding: base64 RnJvbSBmZjY2ZGQ4NDBkOTNlZmU1OTE0YTgyNGIwZDRkNTgwMzExMTVkNzg4IE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBTaGF1cnlhIFJhbmUgPHNzcmFuZV9iMjNAZWUudmp0 aS5hYy5pbj4KRGF0ZTogV2VkLCAyNiBOb3YgMjAyNSAwMToyNTowMyArMDUzMApTdWJqZWN0 OiBbUEFUQ0hdIGhzcjogZml4IE5VTEwgcG9pbnRlciBkZXJlZmVyZW5jZSBpbiBza2JfY2xv bmUgd2l0aCBodyB0YWcKIGluc2VydGlvbgoKV2hlbiBoYXJkd2FyZSBIU1IgdGFnIGluc2Vy dGlvbiBpcyBlbmFibGVkIChORVRJRl9GX0hXX0hTUl9UQUdfSU5TKSBhbmQKZnJhbWUtPnNr Yl9zdGQgaXMgTlVMTCwgYm90aCBoc3JfY3JlYXRlX3RhZ2dlZF9mcmFtZSgpIGFuZApwcnBf Y3JlYXRlX3RhZ2dlZF9mcmFtZSgpIHdpbGwgY2FsbCBza2JfY2xvbmUoKSB3aXRoIGEgTlVM TCBza2IgcG9pbnRlciwKY2F1c2luZyBhIGtlcm5lbCBjcmFzaC4KCkZpeCB0aGlzIGJ5IGFk ZGluZyBOVUxMIGNoZWNrcyBmb3IgZnJhbWUtPnNrYl9zdGQgYmVmb3JlIGNhbGxpbmcKc2ti X2Nsb25lKCkgaW4gdGhlIGZ1bmN0aW9ucy4KClJlcG9ydGVkLWJ5OiBzeXpib3QrMmZhMzQ0 MzQ4YTU3OWI3NzllMDVAc3l6a2FsbGVyLmFwcHNwb3RtYWlsLmNvbQpGaXhlczogZjI2NmE2 ODNhNDgwIChcIm5ldC9oc3I6IEJldHRlciBmcmFtZSBkaXNwYXRjaFwiKQoKU2lnbmVkLW9m Zi1ieTogU2hhdXJ5YSBSYW5lIDxzc3JhbmVfYjIzQGVlLnZqdGkuYWMuaW4+Ci0tLQogbmV0 L2hzci9oc3JfZm9yd2FyZC5jIHwgNyArKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgNyBpbnNl cnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvbmV0L2hzci9oc3JfZm9yd2FyZC5jIGIvbmV0L2hz ci9oc3JfZm9yd2FyZC5jCmluZGV4IDMzOWYwZDIyMDIxMi4uNGMxYTMxMWI5MDBmIDEwMDY0 NAotLS0gYS9uZXQvaHNyL2hzcl9mb3J3YXJkLmMKKysrIGIvbmV0L2hzci9oc3JfZm9yd2Fy ZC5jCkBAIC0yMTEsNiArMjExLDkgQEAgc3RydWN0IHNrX2J1ZmYgKnBycF9nZXRfdW50YWdn ZWRfZnJhbWUoc3RydWN0IGhzcl9mcmFtZV9pbmZvICpmcmFtZSwKIAkJCQkgIF9fRklMRV9f LCBfX0xJTkVfXywgcG9ydC0+ZGV2LT5uYW1lKTsKIAkJCXJldHVybiBOVUxMOwogCQl9CisK KwkJaWYgKCFmcmFtZS0+c2tiX3N0ZCkKKwkJCXJldHVybiBOVUxMOwogCX0KIAogCXJldHVy biBza2JfY2xvbmUoZnJhbWUtPnNrYl9zdGQsIEdGUF9BVE9NSUMpOwpAQCAtMzQxLDYgKzM0 NCw4IEBAIHN0cnVjdCBza19idWZmICpoc3JfY3JlYXRlX3RhZ2dlZF9mcmFtZShzdHJ1Y3Qg aHNyX2ZyYW1lX2luZm8gKmZyYW1lLAogCQloc3Jfc2V0X3BhdGhfaWQoZnJhbWUsIGhzcl9l dGhoZHIsIHBvcnQpOwogCQlyZXR1cm4gc2tiX2Nsb25lKGZyYW1lLT5za2JfaHNyLCBHRlBf QVRPTUlDKTsKIAl9IGVsc2UgaWYgKHBvcnQtPmRldi0+ZmVhdHVyZXMgJiBORVRJRl9GX0hX X0hTUl9UQUdfSU5TKSB7CisJCWlmICghZnJhbWUtPnNrYl9zdGQpCisJCQlyZXR1cm4gTlVM TDsKIAkJcmV0dXJuIHNrYl9jbG9uZShmcmFtZS0+c2tiX3N0ZCwgR0ZQX0FUT01JQyk7CiAJ fQogCkBAIC0zODUsNiArMzkwLDggQEAgc3RydWN0IHNrX2J1ZmYgKnBycF9jcmVhdGVfdGFn Z2VkX2ZyYW1lKHN0cnVjdCBoc3JfZnJhbWVfaW5mbyAqZnJhbWUsCiAJCX0KIAkJcmV0dXJu IHNrYl9jbG9uZShmcmFtZS0+c2tiX3BycCwgR0ZQX0FUT01JQyk7CiAJfSBlbHNlIGlmIChw b3J0LT5kZXYtPmZlYXR1cmVzICYgTkVUSUZfRl9IV19IU1JfVEFHX0lOUykgeworCQlpZiAo IWZyYW1lLT5za2Jfc3RkKQorCQkJcmV0dXJuIE5VTEw7CiAJCXJldHVybiBza2JfY2xvbmUo ZnJhbWUtPnNrYl9zdGQsIEdGUF9BVE9NSUMpOwogCX0KIAotLSAKMi4zNC4xCgo= --------------tuNW2XxNaqyyWBk1xGlWGOZ3--