From: Arnd Bergmann <arnd@xxxxxxxx> Subject: 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@xxxxxxxx Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Deepa Dinamani <deepa.kernel@xxxxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx> Cc: Lokesh Vutla <lokeshvutla@xxxxxx> Cc: Stafford Horne <shorne@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- init/initramfs.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff -puN init/initramfs.c~initramfs-use-time64_t-timestamps init/initramfs.c --- a/init/initramfs.c~initramfs-use-time64_t-timestamps +++ a/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]; _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
