diff options
Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_mech.c')
| -rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_mech.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c index 6e5d6d240215..75b3c2e9e8f8 100644 --- a/net/sunrpc/auth_gss/gss_krb5_mech.c +++ b/net/sunrpc/auth_gss/gss_krb5_mech.c @@ -253,6 +253,7 @@ gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx) { u32 seq_send; int tmp; + u32 time32; p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate)); if (IS_ERR(p)) @@ -290,9 +291,11 @@ gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx) p = ERR_PTR(-ENOSYS); goto out_err; } - p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime)); + p = simple_get_bytes(p, end, &time32, sizeof(time32)); if (IS_ERR(p)) goto out_err; + /* unsigned 32-bit time overflows in year 2106 */ + ctx->endtime = (time64_t)time32; p = simple_get_bytes(p, end, &seq_send, sizeof(seq_send)); if (IS_ERR(p)) goto out_err; @@ -587,15 +590,18 @@ gss_import_v2_context(const void *p, const void *end, struct krb5_ctx *ctx, { u64 seq_send64; int keylen; + u32 time32; p = simple_get_bytes(p, end, &ctx->flags, sizeof(ctx->flags)); if (IS_ERR(p)) goto out_err; ctx->initiate = ctx->flags & KRB5_CTX_FLAG_INITIATOR; - p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime)); + p = simple_get_bytes(p, end, &time32, sizeof(time32)); if (IS_ERR(p)) goto out_err; + /* unsigned 32-bit time overflows in year 2106 */ + ctx->endtime = (time64_t)time32; p = simple_get_bytes(p, end, &seq_send64, sizeof(seq_send64)); if (IS_ERR(p)) goto out_err; @@ -659,7 +665,7 @@ out_err: static int gss_import_sec_context_kerberos(const void *p, size_t len, struct gss_ctx *ctx_id, - time_t *endtime, + time64_t *endtime, gfp_t gfp_mask) { const void *end = (const void *)((const char *)p + len); |