diff options
Diffstat (limited to 'fs/nfsd/export.c')
| -rw-r--r-- | fs/nfsd/export.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index af51cf9bf2e3..8513c598fabf 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -580,16 +580,25 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen) if (err) goto out4; /* + * No point caching this if it would immediately expire. + * Also, this protects exportfs's dummy export from the + * anon_uid/anon_gid checks: + */ + if (exp.h.expiry_time < seconds_since_boot()) + goto out4; + /* * For some reason exportfs has been passing down an * invalid (-1) uid & gid on the "dummy" export which it * uses to test export support. To make sure exportfs * sees errors from check_export we therefore need to * delay these checks till after check_export: */ + err = -EINVAL; if (!uid_valid(exp.ex_anon_uid)) goto out4; if (!gid_valid(exp.ex_anon_gid)) goto out4; + err = 0; } expp = svc_export_lookup(&exp); |