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dnsdist: Prevent a dangling DOHUnit pointer when send() failed #8112

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merged 1 commit into from Jul 22, 2019

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commented Jul 22, 2019

Short description

In the quite unlikely case where sending a DoH query toward the backend over the UDP socket failed, we could have left a dangling pointer to the DOHUnit struct, possibly leading to a crash when the IDState was cleaned up later.

Checklist

I have:

  • read the CONTRIBUTING.md document
  • compiled this code
  • tested this code
  • included documentation (including possible behaviour changes)
  • documented the code
  • added or modified regression test(s)
  • added or modified unit test(s)

@rgacogne rgacogne added this to the dnsdist-1.4.0 milestone Jul 22, 2019

@rgacogne rgacogne merged commit c719137 into PowerDNS:master Jul 22, 2019

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@rgacogne rgacogne deleted the rgacogne:dnsdist-doh-dangling-send-error branch Jul 22, 2019

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