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| author |   tedu <tedu@openbsd.org> | 2005-05-24 16:48:35 +0000 |
|---|---|---|
| committer | tedu <tedu@openbsd.org> | 2005-05-24 16:48:35 +0000 |
| commit | 8f4bd46c4bd5549218b864fca7e2b26884c767d7 (patch) | |
| tree | 8cbc8148fdbf64eae8c5e23b3a8d2a2580d2dce8 /lib/libc | |
| parent | handle sizeof(void *) allocations specially when using malloc guard. (diff) | |
| download | wireguard-openbsd-8f4bd46c4bd5549218b864fca7e2b26884c767d7.tar.xz wireguard-openbsd-8f4bd46c4bd5549218b864fca7e2b26884c767d7.zip | |
add a note describing latest guard feature
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/stdlib/malloc.3 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3 index 138ec708e8c..df62e7d3a52 100644 --- a/lib/libc/stdlib/malloc.3 +++ b/lib/libc/stdlib/malloc.3 @@ -30,7 +30,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $OpenBSD: malloc.3,v 1.37 2004/07/02 10:42:55 jmc Exp $ +.\" $OpenBSD: malloc.3,v 1.38 2005/05/24 16:48:35 tedu Exp $ .\" .Dd August 27, 1996 .Dt MALLOC 3 @@ -204,6 +204,8 @@ Enable guard pages and chunk randomization. Each page size or larger allocation is followed by a guard page that will cause a segmentation fault upon any access. Smaller than page size chunks are returned in a random order. +Pointer sized allocations are aligned to the end of a page to catch +sizeof(ptr) errors where sizeof(*ptr) is meant. .Pp .It Cm H .Dq Hint . |