FreeBSD Bugzilla – Attachment 9492 Details for
Bug 19422
users can overflow argv to make ps segfault
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[patch]
file.diff
file.diff (text/plain), 347 bytes, created by
Marc Olzheim
on 2000-06-21 21:40:01 UTC
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Description:
file.diff
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Creator:
Marc Olzheim
Created:
2000-06-21 21:40:01 UTC
Size:
347 bytes
patch
obsolete
>--- /usr/src/bin/ps/fmt.c Sat Aug 28 01:14:51 1999 >+++ /usr/src/bin/ps/fmt.c Wed Jun 21 22:19:22 2000 >@@ -80,7 +80,7 @@ > for (p = argv; (src = *p++) != 0; ) { > if (*src == 0) > continue; >- strvis(dst, src, VIS_NL | VIS_CSTYLE); >+ strvisx(dst, src, arg_max - strlen(buf) - 1, VIS_NL | VIS_CSTYLE); > while (*dst) > dst++; > *dst++ = ' ';
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