Commit 03927c8a authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Al Viro
Browse files

coredump: Use 64bit time for unix time of coredump

struct timeval on 32-bit systems will have its tv_sec
value overflow in year 2038 and beyond.
Use a 64 bit value to print time of the coredump in seconds.
ktime_get_real_seconds is chosen here for efficiency reasons.

Suggested by: Arnd Bergmann <>
Signed-off-by: default avatarTina Ruchandani <>
Signed-off-by: default avatarArnd Bergmann <>
Signed-off-by: default avatarAl Viro <>
parent 0125f504
......@@ -32,6 +32,7 @@
#include <linux/pipe_fs_i.h>
#include <linux/oom.h>
#include <linux/compat.h>
#include <linux/timekeeping.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
......@@ -232,9 +233,10 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm)
/* UNIX time of coredump */
case 't': {
struct timeval tv;
err = cn_printf(cn, "%lu", tv.tv_sec);
time64_t time;
time = ktime_get_real_seconds();
err = cn_printf(cn, "%lld", time);
/* hostname */
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