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| author | Arnd Bergmann <arnd@arndb.de> | 2017-11-18 02:31:04 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-18 03:10:04 +0300 |
| commit | e35c4c64fe492b212f9c7d9e046626e48e89f863 (patch) | |
| tree | 560df945102ed06ebb48d72e15fd1c6d160576f3 /init/initramfs.c | |
| parent | 44ea39420fc95e7432ddc91de4eb58c7470ab897 (diff) | |
| download | linux-e35c4c64fe492b212f9c7d9e046626e48e89f863.tar.xz | |
initramfs: use time64_t timestamps
The cpio format uses a 32-bit number to encode file timestamps, which
breaks initramfs support in 2038. This reinterprets the timestamp as
unsigned, to give us another 68 years and avoids breaking until 2106.
Link: http://lkml.kernel.org/r/20171019095536.801199-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Stafford Horne <shorne@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/initramfs.c')
| -rw-r--r-- | init/initramfs.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/init/initramfs.c b/init/initramfs.c index 7046feffef6b..7e99a0038942 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -109,7 +109,7 @@ static void __init free_hash(void) } } -static long __init do_utime(char *filename, time_t mtime) +static long __init do_utime(char *filename, time64_t mtime) { struct timespec64 t[2]; @@ -125,10 +125,10 @@ static __initdata LIST_HEAD(dir_list); struct dir_entry { struct list_head list; char *name; - time_t mtime; + time64_t mtime; }; -static void __init dir_add(const char *name, time_t mtime) +static void __init dir_add(const char *name, time64_t mtime) { struct dir_entry *de = kmalloc(sizeof(struct dir_entry), GFP_KERNEL); if (!de) @@ -150,7 +150,7 @@ static void __init dir_utime(void) } } -static __initdata time_t mtime; +static __initdata time64_t mtime; /* cpio header parsing */ @@ -177,7 +177,7 @@ static void __init parse_header(char *s) uid = parsed[2]; gid = parsed[3]; nlink = parsed[4]; - mtime = parsed[5]; + mtime = parsed[5]; /* breaks in y2106 */ body_len = parsed[6]; major = parsed[7]; minor = parsed[8]; |