lwIP - A Lightweight TCP/IP stack - Patches: patch #8480, Fix handling of dns_seqno...
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patch #8480: Fix handling of dns_seqno wraparound
| Submitter: | Kevin Cernekee <cernekee> | ||
| Submitted: | Sat 14 Jun 2014 10:29:40 PM UTC | ||
| Category: | DNS | Priority: | 5 - Normal |
| Status: | Done | Privacy: | Public |
| Assigned to: | goldsimon | Open/Closed: | Closed |
| Planned Release: | None | ||
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Wed 17 Sep 2014 08:53:26 PM UTC, comment #1: |
Simon Goldschmidt <goldsimon> |
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Sat 14 Jun 2014 10:29:40 PM UTC, original submission:
In dns_enqueue(), lseq represents the number of DNS transactions that have occurred since dns_table[lseqi] was started. This should be a positive number. But gcc promotes (dns_seqno - pEntry->seqno) to a signed int, causing lseq to be compared against negative values in some situations:
|
Kevin Cernekee <cernekee> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 4 latest changes.
| Date | Changed by | Updated Field | Previous Value | => | Replaced by |
|---|---|---|---|---|---|
| 2014-09-17 | goldsimon | Status | None | Done | |
| Assigned to | None | goldsimon | |||
| Open/Closed | Open | Closed | |||
| 2014-06-14 | cernekee | Attached File | - | Added 0001-dns-Fix-handling-of-dns_seqno-wraparound.patch, #31547 |
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Corresponding source code

Fixed, thanks for reporting.