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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>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Arnd Bergmann
2019-11-11 21:16:21 +01:00
committed by Anna Schumaker
parent ce8866f091
commit 52879b464a
8 changed files with 30 additions and 24 deletions
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4
include/linux/sunrpc/gss_api.h
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@@ -48,7 +48,7 @@ int gss_import_sec_context(
size_t bufsize,
struct gss_api_mech *mech,
struct gss_ctx **ctx_id,
time_t *endtime,
time64_t *endtime,
gfp_t gfp_mask);
u32 gss_get_mic(
struct gss_ctx *ctx_id,
@@ -108,7 +108,7 @@ struct gss_api_ops {
const void *input_token,
size_t bufsize,
struct gss_ctx *ctx_id,
time_t *endtime,
time64_t *endtime,
gfp_t gfp_mask);
u32 (*gss_get_mic)(
struct gss_ctx *ctx_id,