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| author | Ondrej Zajicek <santiago@crfreenet.org> | 2011-03-29 01:41:46 +0200 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2011-03-29 01:41:46 +0200 |
| commit | ab164971891c64126097eedca11d2f5586f1d8e7 (patch) | |
| tree | 46fdb499c0ede22595e97dbb7af82d1c42ed8292 /proto/ospf/ospf.h | |
| parent | 52a43ae3b76f86b697537bc3ad8afdb3b421cf2c (diff) | |
| download | bird-ab164971891c64126097eedca11d2f5586f1d8e7.tar bird-ab164971891c64126097eedca11d2f5586f1d8e7.zip | |
Fixes a nasty bug in OSPF.
Sending malformed network prefixes in LSAs causes OSPF to crash
just after the LSA is propagated to the other routers.
Diffstat (limited to 'proto/ospf/ospf.h')
| -rw-r--r-- | proto/ospf/ospf.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h index 74a8e31..664bc48 100644 --- a/proto/ospf/ospf.h +++ b/proto/ospf/ospf.h @@ -587,6 +587,10 @@ lsa_get_ipv6_prefix(u32 *buf, ip_addr *addr, int *pxlen, u8 *pxopts, u16 *rest) if (pxl > 96) _I3(*addr) = *buf++; + /* Clean up remaining bits */ + if (pxl < 128) + addr->addr[pxl / 32] &= u32_mkmask(pxl % 32); + return buf; } |