diff options
| author | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2018-04-22 11:55:36 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2018-04-22 12:14:00 +0100 |
| commit | d86bd35298834f3162459dde763f7976f5c2a523 (patch) | |
| tree | 9a35449f2f145c929ffcbe377a283c040c598f4a | |
| parent | 8d7723d1c122c31a07cc6d51ab587ea879dca099 (diff) | |
libdl: end must be bigger than start
| -rw-r--r-- | ldso/libdl/libdl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c index ff2753591..d36ac6421 100644 --- a/ldso/libdl/libdl.c +++ b/ldso/libdl/libdl.c @@ -967,7 +967,8 @@ static int do_dlclose(void *vhandle, int need_fini) end = (end + ADDR_ALIGN) & PAGE_ALIGN; start = start & ~ADDR_ALIGN; _dl_if_debug_print("unmapping: %s start: '%p' end: '%p'\n", tpnt->libname, start, end); - DL_LIB_UNMAP (tpnt, end - start); + if (end > start) + DL_LIB_UNMAP (tpnt, end - start); /* Free elements in RTLD_LOCAL scope list */ for (runp = tpnt->rtld_local; runp; runp = tmp) { tmp = runp->next; |