diff options
Diffstat (limited to 'ldso/libdl')
| -rw-r--r-- | ldso/libdl/libdl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c index f34f78152..d102a48ab 100644 --- a/ldso/libdl/libdl.c +++ b/ldso/libdl/libdl.c @@ -790,7 +790,7 @@ static int do_dlclose(void *vhandle, int need_fini) int (*dl_elf_fini) (void); void (*dl_brk) (void); struct dyn_elf *handle; - unsigned int end; + ElfW(Addr) end = 0, start = (ElfW(Addr))(~0ULL); unsigned int i, j; struct r_scope_elem *ls, *ls_next = NULL; struct elf_resolve **handle_rlist; @@ -867,6 +867,8 @@ static int do_dlclose(void *vhandle, int need_fini) i < tpnt->n_phent; ppnt++, i++) { if (ppnt->p_type != PT_LOAD) continue; + if (ppnt->p_vaddr < start) + start = ppnt->p_vaddr; if (end < ppnt->p_vaddr + ppnt->p_memsz) end = ppnt->p_vaddr + ppnt->p_memsz; } @@ -973,7 +975,9 @@ static int do_dlclose(void *vhandle, int need_fini) } #endif - DL_LIB_UNMAP (tpnt, end - tpnt->mapaddr); + end = (end + ADDR_ALIGN) & PAGE_ALIGN; + start = start & ~ADDR_ALIGN; + DL_LIB_UNMAP (tpnt, end - start); /* Free elements in RTLD_LOCAL scope list */ for (runp = tpnt->rtld_local; runp; runp = tmp) { tmp = runp->next; |