Bug 195458
| Summary: | reverse-map bug in mtr and patch | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Marcela Mašláňová <mmaslano> |
| Component: | mtr | Assignee: | Marcela Mašláňová <mmaslano> |
| Status: | CLOSED RAWHIDE | QA Contact: | Ben Levenson <benl> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 5 | ||
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2006-07-03 07:01:53 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Description of problem: mtr 0.71 does not resolve IPv6 addresses to hostnames. This is a known bug accidentally introduced in version 0.70. Version-Release number of selected component (if applicable): 0.71-0.FC4.1 How reproducible: On an IPv6 connected host, run mtr to an IPv6 site (eg. www.arin.net) Steps to Reproduce: 1.sudo mtr www.arin.net 2. 3. Actual results: From an unpatched system: My traceroute [v0.71] slimemold.creativedynamo.com (::) Tue Jun 13 03:59:59 2006 Keys: Help Display mode Restart statistics Order of fields quit Packets Pings Host Loss% Snt Last Avg Best Wrst StDev 1. 2002:c058:6301:: 0.0% 13 6.3 4.1 3.6 6.3 0.7 2. unknown.occaid.net 0.0% 13 132.2 133.0 132.2 134.5 0.6 3. unknown.occaid.net 0.0% 13 132.8 132.5 132.0 132.9 0.3 4. unknown.occaid.net 0.0% 13 132.8 513.1 132.1 5079. 1372. 5. unknown.occaid.net 0.0% 13 132.5 505.5 132.0 4979. 1344. 6. unknown.occaid.net 0.0% 13 133.8 133.4 132.5 135.0 0.6 7. 2001:500:4:10::13 0.0% 12 134.0 133.4 133.0 134.0 0.3 8. 2001:500:4:1::80 0.0% 12 133.7 135.0 133.2 144.1 3.3 Expected results: From a patched system: My traceroute [v0.71] granita.lava.net (::) Tue Jun 13 04:03:27 2006 Keys: Help Display mode Restart statistics Order of fields quit Packets Pings Host Loss% Snt Last Avg Best Wrst StDev 1. puaiohi-fe1-0-1.lava.net 0.0% 7 3.5 2.8 2.0 3.5 0.5 2. akepa-e0-0-7.lava.net 0.0% 7 2.6 2.7 2.6 2.7 0.1 3. 4.ip-0-1-0.cr1.sfo2.us.occaid.ne 0.0% 7 72.4 72.4 72.2 72.6 0.1 4. 6.fe-0-3.cr1.mci1.us.occaid.net 0.0% 7 107.5 107.9 107.5 108.4 0.4 5. 57.ge0-0.cr1.ord1.us.occaid.net 0.0% 7 120.2 119.9 119.3 120.2 0.3 6. ge-0-1-0.cr1.iad1.us.occaid.net 0.0% 6 146.9 146.9 146.7 147.3 0.2 7. arin-gw1.customer.occaid.net 0.0% 6 147.5 147.4 146.9 147.9 0.3 8. 2001:500:4:10::13 0.0% 6 147.4 147.9 147.4 148.3 0.3 9. 2001:500:4:1::80 0.0% 6 147.5 147.6 147.1 148.5 0.5 Additional info: Patch from http://www.lava.net/~tony/mtr/patch-mtr-0.71: --- mtr-0.71.orig/dns.c 2006-03-22 19:45:58.000000000 -1000 +++ mtr-0.71/dns.c 2006-03-25 11:41:31.000000000 -1000 @@ -1357,7 +1357,7 @@ #ifdef ENABLE_IPV6 /* Returns an ip6.arpa character string. */ void addr2ip6arpa( ip_t * ip, char * buf ) { - char * p = (char *) ip; + unsigned char * p = (unsigned char *) ip; char * b = buf; int i; Additional info: