| Bug #91183 | CLANG/UBSAN Thread stack overrun | ||
|---|---|---|---|
| Submitted: | 8 Jun 2018 7:28 | Modified: | 11 Jun 2018 14:07 |
| Reporter: | Tor Didriksen | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: Compiling | Severity: | S3 (Non-critical) |
| Version: | 8.0.13 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
[11 Jun 2018 14:07]
Paul DuBois
Posted by developer: Fixed in 8.0.13. Work was done for test suite. No changelog entry needed.
Description: Several mtr tests fail with "Thread stack overrun" It seems clang/UBSAN uses a lot of extra stack, compared to other compilers. ./mtr --mem --sanitize x.notices_enable Mysqlx.Error { severity: ERROR - code: 1644 - msg: "Oops in proc_1" - sql_state: "45000" + code: 1436 + msg: "Thread stack overrun: 348015 bytes used of a 655360 byte stack, and 320000 bytes needed. Use \'mysqld --thread_stack=#\' to specify a bigger stack." + sql_state: "HY000" } How to repeat: Build with clang/ubsan Suggested fix: Enable -O1 for WITH_UBSAN, as we do for other sanitizers.