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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-09 13:04:41 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-09-21 10:29:37 +0200 |
| commit | e4a8065910cd6b2e7e0448cc6431ca2906322389 (patch) | |
| tree | 73492991cfa40f994c20d761d476e6bc16304536 /freebsd/sys/netpfil/pf | |
| parent | Update to FreeBSD head 2017-08-01 (diff) | |
| download | rtems-libbsd-e4a8065910cd6b2e7e0448cc6431ca2906322389.tar.bz2 | |
Update to FreeBSD head 2017-10-01
Git mirror commit b2f0376b45428f13151d229c5ae9d4d8f74acbd1.
Update #3472.
Diffstat (limited to 'freebsd/sys/netpfil/pf')
| -rw-r--r-- | freebsd/sys/netpfil/pf/pf_lb.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/freebsd/sys/netpfil/pf/pf_lb.c b/freebsd/sys/netpfil/pf/pf_lb.c index 8d437667..abbf1c1e 100644 --- a/freebsd/sys/netpfil/pf/pf_lb.c +++ b/freebsd/sys/netpfil/pf/pf_lb.c @@ -261,7 +261,8 @@ pf_get_sport(sa_family_t af, u_int8_t proto, struct pf_rule *r, return (0); } } else { - uint16_t tmp, cut; + uint32_t tmp; + uint16_t cut; if (low > high) { tmp = low; @@ -271,7 +272,7 @@ pf_get_sport(sa_family_t af, u_int8_t proto, struct pf_rule *r, /* low < high */ cut = arc4random() % (1 + high - low) + low; /* low <= cut <= high */ - for (tmp = cut; tmp <= high; ++(tmp)) { + for (tmp = cut; tmp <= high && tmp <= 0xffff; ++tmp) { key.port[1] = htons(tmp); if (pf_find_state_all(&key, PF_IN, NULL) == NULL) { @@ -279,7 +280,8 @@ pf_get_sport(sa_family_t af, u_int8_t proto, struct pf_rule *r, return (0); } } - for (tmp = cut - 1; tmp >= low; --(tmp)) { + tmp = cut; + for (tmp -= 1; tmp >= low && tmp <= 0xffff; --tmp) { key.port[1] = htons(tmp); if (pf_find_state_all(&key, PF_IN, NULL) == NULL) { |