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[lwip-devel] [bug #61837] DNS Table State Deadlock On NTP Retry
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From: |
Simon Goldschmidt |
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Subject: |
[lwip-devel] [bug #61837] DNS Table State Deadlock On NTP Retry |
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Date: |
Tue, 22 Feb 2022 04:27:07 -0500 (EST) |
Follow-up Comment #2, bug #61837 (project lwip):
Next time, please provide a patch file instead of describing your proposed
change in words. Reading a patch file is far easier.
Anyway, I see the problem:
- dns_call_found() can result in a nested call into the dns code
- the entry in question is re-requested
- we set the entry to DNS_STATE_UNUSED afterwards, effectively cancelling the
re-request
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