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| author | rrs <rrs@FreeBSD.org> | 2008-10-18 15:53:31 +0000 |
|---|---|---|
| committer | rrs <rrs@FreeBSD.org> | 2008-10-18 15:53:31 +0000 |
| commit | ca009db18e03d6c424a4846538aecd2d2cee0f5f (patch) | |
| tree | 819d6063a0b66e73cad343c333a882922ec5cc97 /sys/netinet/sctp_crc32.c | |
| parent | 98d25e143a9d572dd84d0a55fb33c753fd6e80a8 (diff) | |
| download | FreeBSD-src-ca009db18e03d6c424a4846538aecd2d2cee0f5f.zip FreeBSD-src-ca009db18e03d6c424a4846538aecd2d2cee0f5f.tar.gz | |
Reported by Yehuda Weinraub (yehudasa@gamil.com) - CRC32C algorithm
uses incorrect init_bytes value. It SHOULD have the number
of bytes to get to a 4 byte boundary.
PR: 128134
MFC after: 4 weeks
Diffstat (limited to 'sys/netinet/sctp_crc32.c')
| -rw-r--r-- | sys/netinet/sctp_crc32.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/netinet/sctp_crc32.c b/sys/netinet/sctp_crc32.c index f3d1dc0..7f0e742 100644 --- a/sys/netinet/sctp_crc32.c +++ b/sys/netinet/sctp_crc32.c @@ -583,13 +583,13 @@ update_crc32(uint32_t crc32c, unsigned char *buffer, unsigned int length) { - uint32_t offset; + uint32_t to_even_word; if (length == 0) { return (crc32c); } - offset = ((uintptr_t) buffer) & 0x3; - return (sctp_crc32c_sb8_64_bit(crc32c, buffer, length, offset)); + to_even_word = (4 - (((uintptr_t) buffer) & 0x3)); + return (sctp_crc32c_sb8_64_bit(crc32c, buffer, length, to_even_word)); } uint32_t sctp_crc_c[256] = { |
