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| author | Willem de Bruijn <willemb@google.com> | 2014-09-04 18:15:45 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-06 04:31:03 +0400 |
| commit | 18a47e6d8af01db1b691802a6bb8eae73d83ad9e (patch) | |
| tree | 2fccea7845dc27a4d5543aa58c21fabf5ef0f033 /Documentation/networking/timestamping | |
| parent | b1c849276b5e199f94501101c07ee9cb6ced4935 (diff) | |
| download | linux-18a47e6d8af01db1b691802a6bb8eae73d83ad9e.tar.xz | |
net-timestamp: fix allocation error in test
A buffer is incorrectly zeroed to the length of the pointer. If
cfg_payload_len < sizeof(void *) this can overwrites unrelated memory.
The buffer contents are never read, so no need to zero.
Fixes: 8fe2f761cae9 ("net-timestamp: expand documentation")
Reported-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/timestamping')
| -rw-r--r-- | Documentation/networking/timestamping/txtimestamp.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/Documentation/networking/timestamping/txtimestamp.c b/Documentation/networking/timestamping/txtimestamp.c index e5b0b98a89af..b32fc2a07734 100644 --- a/Documentation/networking/timestamping/txtimestamp.c +++ b/Documentation/networking/timestamping/txtimestamp.c @@ -192,7 +192,6 @@ static int recv_errmsg(int fd) memset(&msg, 0, sizeof(msg)); memset(&entry, 0, sizeof(entry)); memset(ctrl, 0, sizeof(ctrl)); - memset(data, 0, sizeof(data)); entry.iov_base = data; entry.iov_len = cfg_payload_len; |