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sunrpc: convert to time64_t for expiry

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Using signed 32-bit types for UTC time leads to the y2038 overflow,
which is what happens in the sunrpc code at the moment.

This changes the sunrpc code over to use time64_t where possible.
The one exception is the gss_import_v{1,2}_context() function for
kerberos5, which uses 32-bit timestamps in the protocol. Here,
we can at least treat the numbers as 'unsigned', which extends the
range from 2038 to 2106.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2018-06-07 17:02:50 +02:00
parent 38c4a4cf02
commit 294ec5b87a
8 changed files with 30 additions and 24 deletions
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4
net/sunrpc/auth_gss/svcauth_gss.c
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@ -436,7 +436,7 @@ static int rsc_parse(struct cache_detail *cd,
int id;
int len, rv;
struct rsc rsci, *rscp = NULL;
time_t expiry;
time64_t expiry;
int status = -EINVAL;
struct gss_api_mech *gm = NULL;
@ -1221,7 +1221,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
static atomic64_t ctxhctr;
long long ctxh;
struct gss_api_mech *gm = NULL;
time_t expiry;
time64_t expiry;
int status = -EINVAL;
memset(&rsci, 0, sizeof(rsci));