diff options
| author |   drahn <drahn@openbsd.org> | 2002-09-18 22:07:50 +0000 |
|---|---|---|
| committer | drahn <drahn@openbsd.org> | 2002-09-18 22:07:50 +0000 |
| commit | a7bc362b48c84069e372aa57e78c46afcd11ec11 (patch) | |
| tree | d6c54576ae9c53bf7efffb9af1d6f6c7d69e5519 /sys/kern/exec_elf.c | |
| parent | We can jump to the fail: label before shellargp is initialized. (diff) | |
| download | wireguard-openbsd-a7bc362b48c84069e372aa57e78c46afcd11ec11.tar.xz wireguard-openbsd-a7bc362b48c84069e372aa57e78c46afcd11ec11.zip | |
Mark ELF ld.so as VTEXT to prevent the file from being overwritten.
ok deraadt@ art@
Diffstat (limited to 'sys/kern/exec_elf.c')
| -rw-r--r-- | sys/kern/exec_elf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/exec_elf.c b/sys/kern/exec_elf.c index 078963448ce..68077f357ca 100644 --- a/sys/kern/exec_elf.c +++ b/sys/kern/exec_elf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: exec_elf.c,v 1.39 2002/08/22 22:04:42 art Exp $ */ +/* $OpenBSD: exec_elf.c,v 1.40 2002/09/18 22:07:50 drahn Exp $ */ /* * Copyright (c) 1996 Per Fogelstrom @@ -410,6 +410,8 @@ ELFNAME(load_file)(struct proc *p, char *path, struct exec_package *epp, } } + vn_marktext(nd.ni_vp); + bad1: VOP_CLOSE(nd.ni_vp, FREAD, p->p_ucred, p); bad: |