lwIP - A Lightweight TCP/IP stack - Bugs: bug #57996, [v2.1.2]...
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bug #57996: [v2.1.2] sys_sem_signal(op_completed_sem) crash in lwip_netconn_do_connected function (seldom reproduce)
Submitter: | Song Pu <pusong666> | ||
Submitted: | Mon 16 Mar 2020 10:49:14 AM UTC | ||
Category: | sockets/netconn | Severity: | 3 - Normal |
Item Group: | Crash Error | Status: | None |
Privacy: | Public | Assigned to: | None |
Open/Closed: | Open | Planned Release: | None |
lwIP version: | 2.1.1 |
Wed 18 Mar 2020 02:28:39 AM UTC, comment #3: |
Song Pu <pusong666> |
Tue 17 Mar 2020 04:02:50 AM UTC, comment #2: 1. Customer All TCP Socket is non-blocking.
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Song Pu <pusong666> |
Mon 16 Mar 2020 02:16:48 PM UTC, comment #1: I'm not sure I fully understand your post. Whast do you mean with that "what's the reason" line?
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Simon Goldschmidt <goldsimon> |
Mon 16 Mar 2020 10:49:14 AM UTC, original submission:
Sys_sem_signal(op_completed_sem) crash in lwip_netconn_do_connected function due to the op_completed_sem has been freed.
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Song Pu <pusong666> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 3 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2020-03-17 | pusong666 | Attached File | - | Added lwipopts.h, #48610 | |
2020-03-17 | pusong666 | Attached File | - | Added customer_tcp_connect_code.png, #48609 | |
2020-03-17 | pusong666 | Attached File | - | Added lwip_crash_stack.png, #48608 |
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Corresponding source code
According to <customer_log_in_no_crash_case.txt>, I think that there are non-blocking and blocking TCP socket in their codes.