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authorpeter <peter@FreeBSD.org>1999-04-04 06:01:09 +0000
committerpeter <peter@FreeBSD.org>1999-04-04 06:01:09 +0000
commitd352c9407063818d7ca027fe7d37282636d7fd71 (patch)
tree9bbf4913d594b001b9d81507d0d3cefabeb037b1 /libexec
parentdf68fc891ee0312e07a22bce08ce1dbceab3cc8c (diff)
downloadFreeBSD-src-d352c9407063818d7ca027fe7d37282636d7fd71.zip
FreeBSD-src-d352c9407063818d7ca027fe7d37282636d7fd71.tar.gz
If somebody does an execv("foo", NULL) (which theoretically is an error),
avoid crashing inside rtld (since it's easy) since everything else handles it. Of course, if the target program checks argv[], it'll fall over. Reviewed by: jdp
Diffstat (limited to 'libexec')
-rw-r--r--libexec/rtld-elf/rtld.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c
index 11b2214..837819c 100644
--- a/libexec/rtld-elf/rtld.c
+++ b/libexec/rtld-elf/rtld.c
@@ -22,7 +22,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
- * $Id: rtld.c,v 1.14 1999/03/24 23:37:35 nate Exp $
+ * $Id: rtld.c,v 1.15 1999/03/24 23:47:29 nate Exp $
*/
/*
@@ -260,7 +260,7 @@ _rtld(Elf_Addr *sp, func_ptr_type *exit_proc, Obj_Entry **objp)
obj_main = digest_phdr(phdr, phnum, entry);
}
- obj_main->path = xstrdup(argv[0]);
+ obj_main->path = xstrdup(argv[0] ? argv[0] : "(null)");
obj_main->mainprog = true;
digest_dynamic(obj_main);
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