diff options
| author | ajs <ajs> | 2005-07-26 14:35:37 +0000 |
|---|---|---|
| committer | ajs <ajs> | 2005-07-26 14:35:37 +0000 |
| commit | 330009f7b3742462ebd90f9c16f1ab734344b68c (patch) | |
| tree | 9d3ddbf26da3205989e136cd2b3858c65584ef94 /lib | |
| parent | c898775c95a2aad505911eccb6a70a12d4e49f1d (diff) | |
2005-07-26 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* prefix.c: (ip_masklen) While loop should test that 'pnt' pointer is
in range before dereferencing it.
[backport candidate]
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ChangeLog | 5 | ||||
| -rw-r--r-- | lib/prefix.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/lib/ChangeLog b/lib/ChangeLog index aed28744..f67f2c1e 100644 --- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,3 +1,8 @@ +2005-07-26 Andrew J. Schorr <ajschorr@alumni.princeton.edu> + + * prefix.c: (ip_masklen) While loop should test that 'pnt' pointer is + in range before dereferencing it. + 2005-06-24 Pawel Worach <pawel.worach@gmail.com> * getopt.h: add further tests for full getopt declaration on diff --git a/lib/prefix.c b/lib/prefix.c index b4347dd2..1806ac49 100644 --- a/lib/prefix.c +++ b/lib/prefix.c @@ -292,7 +292,7 @@ ip_masklen (struct in_addr netmask) pnt = (u_char *) &netmask; end = pnt + 4; - while ((*pnt == 0xff) && pnt < end) + while ((pnt < end) && (*pnt == 0xff)) { len+= 8; pnt++; |