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[lwip-devel] [bug #57526] Fix the dns entries pcb_idx range
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From: |
Simon Goldschmidt |
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Subject: |
[lwip-devel] [bug #57526] Fix the dns entries pcb_idx range |
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Date: |
Thu, 9 Jan 2020 15:09:02 -0500 (EST) |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36 |
Update of bug #57526 (project lwip):
Status: None => Invalid
Assigned to: None => goldsimon
Open/Closed: Open => Closed
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Follow-up Comment #1:
I take it this is from reading the code only. Let me explain:
- dns_send() is called for DNS_STATE_NEW and DNS_STATE_ASKING only
- pcb_idx is set to DNS_MAX_SOURCE_PORTS only when the table entry is set to
DNS_STATE_UNUSED
Being like that, this cannot happen. I'll add an assert anyway, but no, it
currently cannot cause table reading out of range.
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