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Mon, 24 Aug 2026 00:11:12 -0700 (PDT) From: Jeffin Philip To: syzbot+d164947c037324221043@syzkaller.appspotmail.com Cc: dakr@kernel.org, driver-core@lists.linux.dev, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Subject: [syzbot] [kernel?] KASAN: global-out-of-bounds Read in uevent_store Date: Mon, 24 Aug 2026 12:40:55 +0530 Message-ID: <20260824071055.96724-1-jeffinphilip14@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <6a8bd82a.dbb3a75c.13dd47.0060.GAE@google.com> References: <6a8bd82a.dbb3a75c.13dd47.0060.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test: upstream 9d2ed026f031 diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index ddbc4d7482d2..b03562301bfe 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -83,7 +83,7 @@ static int kobject_action_type(const char *buf, size_t count, for (action = 0; action < ARRAY_SIZE(kobject_actions); action++) { if (strncmp(kobject_actions[action], buf, count_first) != 0) continue; - if (kobject_actions[action][count_first] != '\0') + if (strlen(kobject_actions[action]) != count_first) continue; if (args) *args = args_start;