From patchwork Thu Mar 4 09:02:24 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Check for invalid initrd file Date: Wed, 03 Mar 2010 23:02:24 -0000 From: Mohan Kumar M X-Patchwork-Id: 46901 Message-Id: <201003041432.24973.mohan@in.ibm.com> To: qemu-devel@nongnu.org >From c5dca54f67ec6aac16c6c5e09958417b2b3ee5a1 Mon Sep 17 00:00:00 2001 From: M. Mohan Kumar Date: Thu, 4 Mar 2010 14:23:07 +0530 Subject: [PATCH] Check for invalid initrd file When qemu is invoked with an invalid initrd file, it crashes. Following patch prints a error message and exits if an invalid initrd is specified. Signed-off-by: M. Mohan Kumar --- hw/pc.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/hw/pc.c b/hw/pc.c index 4f6a522..551c901 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -669,6 +669,12 @@ static void load_linux(void *fw_cfg, } initrd_size = get_image_size(initrd_filename); + if (initrd_size < 0) { + fprintf(stderr, "qemu: initrd %s does not exist\n", + initrd_filename); + exit(1); + } + initrd_addr = (initrd_max-initrd_size) & ~4095; initrd_data = qemu_malloc(initrd_size);