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| author |   avsm <avsm@openbsd.org> | 2003-11-23 17:14:21 +0000 |
|---|---|---|
| committer | avsm <avsm@openbsd.org> | 2003-11-23 17:14:21 +0000 |
| commit | 9d87a38e30538b2ac040230d0c97715d9c4bfc34 (patch) | |
| tree | 4edba8bf75c8f8822a69cf456071bf722dde389e | |
| parent | allow underscore in usernames, from Niels/NetBSD (diff) | |
| download | wireguard-openbsd-9d87a38e30538b2ac040230d0c97715d9c4bfc34.tar.xz wireguard-openbsd-9d87a38e30538b2ac040230d0c97715d9c4bfc34.zip | |
check for too-small length in stream debug code
discussed with grange@ tedu@
| -rw-r--r-- | sys/compat/svr4/svr4_stream.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/compat/svr4/svr4_stream.c b/sys/compat/svr4/svr4_stream.c index 48dbf16797c..c79643ec1d9 100644 --- a/sys/compat/svr4/svr4_stream.c +++ b/sys/compat/svr4/svr4_stream.c @@ -1,4 +1,4 @@ -/* $OpenBSD: svr4_stream.c,v 1.17 2002/03/14 01:26:51 millert Exp $ */ +/* $OpenBSD: svr4_stream.c,v 1.18 2003/11/23 17:14:21 avsm Exp $ */ /* $NetBSD: svr4_stream.c,v 1.19 1996/12/22 23:00:03 fvdl Exp $ */ /* @@ -153,6 +153,9 @@ show_ioc(str, ioc) if (len > 1024) len = 1024; + if (len <= 0) + return 0; + ptr = (u_char *) malloc(len, M_TEMP, M_WAITOK); uprintf("%s cmd = %ld, timeout = %d, len = %d, buf = %p { ", str, ioc->cmd, ioc->timeout, ioc->len, ioc->buf); |