lwIP - A Lightweight TCP/IP stack - Bugs: bug #27791, null pointer dereference...
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bug #27791: null pointer dereference (pcb->unacked == 0) in tcp_in.c:tcp_process
Submitter: | Guillaume du PONTAVICE <gdupontavice> | ||
Submitted: | Fri 23 Oct 2009 02:36:59 PM UTC | ||
Category: | TCP | Severity: | 3 - Normal |
Item Group: | Crash Error | Status: | Invalid |
Privacy: | Public | Assigned to: | None |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | CVS Head |
Jump to the original submission
Mon 26 Oct 2009 09:39:51 AM UTC, comment #7: |
Simon Goldschmidt <goldsimon> |
Mon 26 Oct 2009 09:28:42 AM UTC, comment #6: hi Simon,
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Guillaume du PONTAVICE <gdupontavice> |
Fri 23 Oct 2009 05:04:12 PM UTC, comment #5: In lwIP, there is no such thing as asynchronous reception (it's simply not supported).
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Simon Goldschmidt <goldsimon> |
Fri 23 Oct 2009 04:23:45 PM UTC, comment #4: please find more details on my environment :
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Guillaume du PONTAVICE <gdupontavice> |
Fri 23 Oct 2009 03:57:00 PM UTC, comment #3: Yes, but the received packet should not interrupt tcp_output_segment.
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Kieran Mansley <kieranm> |
Fri 23 Oct 2009 03:53:37 PM UTC, comment #2: Hi,
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Guillaume du PONTAVICE <gdupontavice> |
Fri 23 Oct 2009 03:11:54 PM UTC, comment #1: It sounds like you're saying that the response to the SYN is processed before you've finished sending the SYN itself. You should not be able to process a received packet while you're still active in the stack with a transmitted packet.
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Kieran Mansley <kieranm> |
Fri 23 Oct 2009 02:36:59 PM UTC, original submission:
the following problems happens on my platform
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Guillaume du PONTAVICE <gdupontavice> |
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Follow 3 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2009-10-26 | goldsimon | Open/Closed | Open | Closed | |
Status | Need Info | Invalid | |||
2009-10-23 | goldsimon | Status | None | Need Info |
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Corresponding source code
Thanks for clarifying this.