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authorTetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>2014-01-24 03:54:56 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-24 04:36:58 +0400
commit499a4584d7f817d43d09ccfc6bb26315eeaab6bc (patch)
tree571e45ed5894c452402fef44ac4f03bc85d08f81
parent128e3f4541ec844c90a99320bf7d2909da4ef80b (diff)
downloadlinux-499a4584d7f817d43d09ccfc6bb26315eeaab6bc.tar.xz
init: fix possible format string bug
Use constant format string in case message changes. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--init/initramfs.c2
-rw-r--r--init/main.c7
2 files changed, 5 insertions, 4 deletions
diff --git a/init/initramfs.c b/init/initramfs.c
index a67ef9dbda9d..93b61396756b 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -583,7 +583,7 @@ static int __init populate_rootfs(void)
{
char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size);
if (err)
- panic(err); /* Failed to decompress INTERNAL initramfs */
+ panic("%s", err); /* Failed to decompress INTERNAL initramfs */
if (initrd_start) {
#ifdef CONFIG_BLK_DEV_RAM
int fd;
diff --git a/init/main.c b/init/main.c
index 98e3537fa71d..f333385d9a4f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -278,7 +278,7 @@ static int __init unknown_bootoption(char *param, char *val, const char *unused)
unsigned int i;
for (i = 0; envp_init[i]; i++) {
if (i == MAX_INIT_ENVS) {
- panic_later = "Too many boot env vars at `%s'";
+ panic_later = "env";
panic_param = param;
}
if (!strncmp(param, envp_init[i], val - param))
@@ -290,7 +290,7 @@ static int __init unknown_bootoption(char *param, char *val, const char *unused)
unsigned int i;
for (i = 0; argv_init[i]; i++) {
if (i == MAX_INIT_ARGS) {
- panic_later = "Too many boot init vars at `%s'";
+ panic_later = "init";
panic_param = param;
}
}
@@ -582,7 +582,8 @@ asmlinkage void __init start_kernel(void)
*/
console_init();
if (panic_later)
- panic(panic_later, panic_param);
+ panic("Too many boot %s vars at `%s'", panic_later,
+ panic_param);
lockdep_info();