From: Steven Barth Date: Sat, 16 Nov 2013 09:18:14 +0000 (+0000) Subject: 6rd: Clear correct IPv6 address bits in 6rdcalc X-Git-Tag: reboot~8612 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b5a4fb1c95fd2738259456a6e1fd140db3698a21;p=openwrt%2Fstaging%2Fchunkeey.git 6rd: Clear correct IPv6 address bits in 6rdcalc The correct bits are now cleared in the IPv6 address as the shift value to the correct byte in the IPv6 address was wrong. Depending on the stack values this could result in a hanging 6rdcalc program due to an endless loop. Signed-off-by: Hans Dedecker SVN-Revision: 38818 --- diff --git a/package/network/ipv6/6rd/src/6rdcalc.c b/package/network/ipv6/6rd/src/6rdcalc.c index 56e07d255b..87bc397006 100644 --- a/package/network/ipv6/6rd/src/6rdcalc.c +++ b/package/network/ipv6/6rd/src/6rdcalc.c @@ -110,7 +110,7 @@ int main(int argc, const char **argv) /* Clear remaining bits. */ while (v6it < 128) { - byte6 = (unsigned char *)(&v6.s6_addr) + (v6it >> 2); + byte6 = (unsigned char *)(&v6.s6_addr) + (v6it >> 3); bit6 = 128 >> (v6it & 0x07); *byte6 &= ~bit6;