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-rw-r--r--src/internal/slibtool_lconf_impl.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/internal/slibtool_lconf_impl.c b/src/internal/slibtool_lconf_impl.c
index 691536d..92aaa20 100644
--- a/src/internal/slibtool_lconf_impl.c
+++ b/src/internal/slibtool_lconf_impl.c
@@ -40,6 +40,7 @@ static int slbt_lconf_open(
int fdparent;
struct stat stcwd;
struct stat stparent;
+ ino_t stinode;
fdcwd = slbt_driver_fdcwd(dctx);
fdlconfdir = fdcwd;
@@ -53,6 +54,7 @@ static int slbt_lconf_open(
return SLBT_SYSTEM_ERROR(dctx);
fdlconf = openat(fdlconfdir,"libtool",O_RDONLY,0);
+ stinode = stcwd.st_ino;
while (fdlconf < 0) {
fdparent = openat(fdlconfdir,"../",O_DIRECTORY,0);
@@ -72,8 +74,15 @@ static int slbt_lconf_open(
dctx,SLBT_ERR_LCONF_OPEN);
}
+ if (stparent.st_ino == stinode) {
+ close(fdparent);
+ return SLBT_CUSTOM_ERROR(
+ dctx,SLBT_ERR_LCONF_OPEN);
+ }
+
fdlconfdir = fdparent;
fdlconf = openat(fdlconfdir,"libtool",O_RDONLY,0);
+ stinode = stparent.st_ino;
}
slbt_lconf_close(fdcwd,fdlconfdir);