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| author | ache <ache@FreeBSD.org> | 1997-04-23 22:07:05 +0000 |
|---|---|---|
| committer | ache <ache@FreeBSD.org> | 1997-04-23 22:07:05 +0000 |
| commit | 2f86c7eb1586742428169502d63e646612344f7b (patch) | |
| tree | 424aa0640ed70445b9b61c5bd200b1891743c84c /sys/kern/imgact_shell.c | |
| parent | 4edae968dd14744515571f59dceb4ce3c9a81d40 (diff) | |
| download | FreeBSD-src-2f86c7eb1586742428169502d63e646612344f7b.zip FreeBSD-src-2f86c7eb1586742428169502d63e646612344f7b.tar.gz | |
Don't clobber user space argv0 memory on shell exec, mainly for vfork()
Fix another bug: if argv[0] is NULL, garbadge args might be added for
shell script
Submitted by: Tor Egge <Tor.Egge@idi.ntnu.no> (with yet one fault detect from me)
Diffstat (limited to 'sys/kern/imgact_shell.c')
| -rw-r--r-- | sys/kern/imgact_shell.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/kern/imgact_shell.c b/sys/kern/imgact_shell.c index fb03011..526aac7 100644 --- a/sys/kern/imgact_shell.c +++ b/sys/kern/imgact_shell.c @@ -23,7 +23,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id$ + * $Id: imgact_shell.c,v 1.14 1997/02/22 09:38:57 peter Exp $ */ #include <sys/param.h> @@ -126,8 +126,7 @@ exec_shell_imgact(imgp) } } - /* set argv[0] to point to original file name */ - suword(imgp->uap->argv, (int)imgp->uap->fname); + imgp->argv0 = imgp->uap->fname; return(0); } |
