diff options
| -rw-r--r-- | libexec/rtld-elf/map_object.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/libexec/rtld-elf/map_object.c b/libexec/rtld-elf/map_object.c index 61a18a46315b0..be95a953558ab 100644 --- a/libexec/rtld-elf/map_object.c +++ b/libexec/rtld-elf/map_object.c @@ -228,11 +228,12 @@ map_object(int fd, const char *path, const struct stat *sb) data_addr = mapbase + (data_vaddr - base_vaddr); data_prot = convert_prot(segs[i]->p_flags); data_flags = convert_flags(segs[i]->p_flags) | MAP_FIXED; - if (mmap(data_addr, data_vlimit - data_vaddr, data_prot, - data_flags | MAP_PREFAULT_READ, fd, data_offset) == (caddr_t) -1) { - _rtld_error("%s: mmap of data failed: %s", path, - rtld_strerror(errno)); - goto error1; + if (data_vlimit != data_vaddr && + mmap(data_addr, data_vlimit - data_vaddr, data_prot, + data_flags | MAP_PREFAULT_READ, fd, data_offset) == MAP_FAILED) { + _rtld_error("%s: mmap of data failed: %s", path, + rtld_strerror(errno)); + goto error1; } /* Do BSS setup */ |