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go / go / f0e940ebc985661f54d31c8d9ba31a553b87041b
commitf0e940ebc985661f54d31c8d9ba31a553b87041b[log] [tgz]
authorMichael Hendricks <michael@ndrix.org>Wed Oct 02 09:30:51 2019 -0600
committerBrad Fitzpatrick <bradfitz@golang.org>Wed Oct 02 20:54:54 2019 +0000
tree03b9f5d676aad4ac1ac524664a9be0b1aade56ce
parente85ffec784b867f016805873eec5dc91eec1c99a [diff]
net: avoid an infinite loop in LookupAddr

If a request for a PTR record returned a response with a non-PTR
answer, goLookupPTR would loop forever.  Skipping non-PTR answers
guarantees progress through the DNS response.

Fixes #34660

Change-Id: I56f9d21e5342d07e7d843d253267e93a29707904
Reviewed-on: https://go-review.googlesource.com/c/go/+/198460
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2 files changed
tree: 03b9f5d676aad4ac1ac524664a9be0b1aade56ce
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
  18. SECURITY.md
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