From 499a4584d7f817d43d09ccfc6bb26315eeaab6bc Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Thu, 23 Jan 2014 15:54:56 -0800 Subject: [PATCH] init: fix possible format string bug Use constant format string in case message changes. Signed-off-by: Tetsuo Handa Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- init/initramfs.c | 2 +- init/main.c | 7 ++++--- 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(); -- 2.34.1