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AJvYcCWdGEjL0GSXZSwabUl7dvXHIcTKQg6iqW/XEIk0kjnjuoSoF/vizlL7yv7UQyO2kut9Gpg2wI6//zmtjn8=@vger.kernel.org X-Gm-Message-State: AOJu0YyMKGNwcLMWlL1w6diQpbYzvjl9djC5kx4XSbdn/Ofy3a1/39Zb nK9tLiWM8HD4oWL7Yx3jHGHYhI8ggf55Uv6CgQpbELIoWbJM9jlx6HG70omM X-Google-Smtp-Source: AGHT+IH/2qS0acz8kovhhNcC55Kfyaw0RfFLQ8g2cMlMNn4c8s6ExYbC9te9lczWpYtadWGUK7k0PA== X-Received: by 2002:a17:902:f707:b0:201:e7c2:bd03 with SMTP id d9443c01a7336-2076e444167mr38963785ad.60.1726150910481; Thu, 12 Sep 2024 07:21:50 -0700 (PDT) Received: from kernelexploit-virtual-machine.localdomain ([121.185.186.233]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2076af25678sm14828465ad.29.2024.09.12.07.21.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Sep 2024 07:21:50 -0700 (PDT) From: Jeongjun Park To: syzbot+b8080cbc8d286a5fa23a@syzkaller.appspotmail.com Cc: syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [syzbot] [usb?] KMSAN: kernel-infoleak in iowarrior_read Date: Thu, 12 Sep 2024 23:21:45 +0900 Message-Id: <20240912142145.8418-1-aha310510@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <0000000000001fdbd80621e28ae3@google.com> References: <0000000000001fdbd80621e28ae3@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 git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --- drivers/usb/misc/iowarrior.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 6d28467ce352..9b5acb312a02 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -833,7 +833,7 @@ static int iowarrior_probe(struct usb_interface *interface, dev->int_in_endpoint->bInterval); /* create an internal buffer for interrupt data from the device */ dev->read_queue = - kmalloc_array(dev->report_size + 1, MAX_INTERRUPT_BUFFER, + kcalloc(dev->report_size + 1, MAX_INTERRUPT_BUFFER, GFP_KERNEL); if (!dev->read_queue) goto error; --