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| author | Cy Schubert <cy@FreeBSD.org> | 2018-08-21 19:17:35 +0000 |
|---|---|---|
| committer | Cy Schubert <cy@FreeBSD.org> | 2018-08-21 19:17:35 +0000 |
| commit | cdba33f23c66f12b400f842d952608c9eedca86f (patch) | |
| tree | e1dde2c94cf4f54c4c999a8b657576e742ed2844 /contrib/wpa | |
| parent | 28f4f623039093d7b09fda4214c48e3e8f912d2a (diff) | |
| download | src-test-cdba33f23c66f12b400f842d952608c9eedca86f.tar.gz src-test-cdba33f23c66f12b400f842d952608c9eedca86f.zip | |
For CID 1394785, add a comment explaining that global->event_buf is
not really a char * but a struct rt_msghdr *.
MFC after: 3 days
Notes
Notes:
svn path=/head/; revision=338154
Diffstat (limited to 'contrib/wpa')
| -rw-r--r-- | contrib/wpa/src/drivers/driver_bsd.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/contrib/wpa/src/drivers/driver_bsd.c b/contrib/wpa/src/drivers/driver_bsd.c index 65282228d4f9b..e8ee0440c12e8 100644 --- a/contrib/wpa/src/drivers/driver_bsd.c +++ b/contrib/wpa/src/drivers/driver_bsd.c @@ -1234,6 +1234,11 @@ wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) struct ieee80211_join_event *join; int n; + /* + * CID 1394785: Memory - illegal access (STRING_NULL): + * Though global->event_buf is a char *, it actually contains + * a struct rt_msghdr *. See below. + */ n = read(sock, global->event_buf, global->event_buf_len); if (n < 0) { if (errno != EINTR && errno != EAGAIN) @@ -1242,6 +1247,10 @@ wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) return; } + /* + * CID 1394785: global->event_buf is assigned here to a + * struct rt_msghdr *. + */ rtm = (struct rt_msghdr *) global->event_buf; if (rtm->rtm_version != RTM_VERSION) { wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |