Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] crash: print timestamp using time64_t | Date | Mon, 18 Jun 2018 17:03:01 +0200 |
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The get_seconds() call returns a 32-bit timestamp on some architectures, and will overflow in the future. The newer ktime_get_real_seconds() always returns a 64-bit timestamp that does not suffer from this problem.
Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- kernel/crash_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/crash_core.c b/kernel/crash_core.c index b66aced5e8c2..9612b2571bd6 100644 --- a/kernel/crash_core.c +++ b/kernel/crash_core.c @@ -344,7 +344,7 @@ void crash_save_vmcoreinfo(void) if (vmcoreinfo_data_safecopy) vmcoreinfo_data = vmcoreinfo_data_safecopy; - vmcoreinfo_append_str("CRASHTIME=%ld\n", get_seconds()); + vmcoreinfo_append_str("CRASHTIME=%lld\n", ktime_get_real_seconds()); update_vmcoreinfo_note(); } -- 2.9.0
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