Date: Thu, 09 Mar 2017 17:11:40 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 217667] arp "moved" log message gives incorrect "from" MAC Message-ID: <bug-217667-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217667 Bug ID: 217667 Summary: arp "moved" log message gives incorrect "from" MAC Product: Base System Version: 11.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: andrew@tao11.riddles.org.uk The ARP "x moved from y to z" log message in if_ether.c is mistakenly taking the address of the char* which points to the previous MAC address, rather t= han taking the pointer value; thus the reported former MAC address is garbage. For example these two messages were the result of swapping a device out and then back (actual IP redacted): kernel: arp: x.x.x.x moved from 18:8d:69:c6:00:00 to 14:cc:20:09:a6:50 on ue0.10 kernel: arp: x.x.x.x moved from 18:8d:69:c6:00:00 to 00:26:44:17:90:e1 on ue0.10 ll_addr is a char*, not a char[], so: (u_char *)&la->ll_addr should be (u_char *)la->ll_addr --=20 You are receiving this mail because: You are the assignee for the bug.=
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