Re: ubsan

Andres Freund <andres@anarazel.de>

From: Andres Freund <andres@anarazel.de>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: pgsql-hackers@postgresql.org

Date: 2022-11-21T23:15:03Z

Lists: pgsql-hackers

Hi,

On 2022-09-29 18:17:55 -0700, Andres Freund wrote:
> Attached is a rebased version of this patch. Hopefully with a reasonable
> amount of comments?  I kind of wanted to add a comment to reached_main, but it
> just seems to end up restating the variable name...

I've now pushed a version of this with a few cleanups, mostly in
.cirrus.yml.  It'll be interesting to see how many additional problems
it finds via cfbot.

Greetings,

Andres Freund

Commits

Avoid possible crash within libsanitizer.
- d4baa327a1c9 19 (unreleased) landed
- c775bf048abd 16.11 landed
- a9515f294de1 17.7 landed
- 6d8acb777715 18.1 landed
ci: Use -fsanitize=undefined,alignment,address in linux tasks
- bd82928625e7 16.0 landed
Add workaround to make ubsan and ps_status.c compatible
- f686ae82f2d7 16.0 landed
Don't try to translate NULL in GetConfigOptionByNum().
- 81045e1e1c33 14.3 landed
- c0f99bb520da 13.7 landed
- 61a007feed52 12.11 landed
- 3ac7d024122f 15.0 landed
Don't call fwrite() with len == 0 when writing out relcache init file.
- 5f4615b9def5 10.21 landed
- 2121d58091a3 11.16 landed
- c5b60a68cc08 12.11 landed
- 8014c61ebda1 13.7 landed
- 89a94c24aadd 14.3 landed
- 1c6bb380e5ab 15.0 landed
configure: check for dlsym instead of dlopen.
- e52e9bd57f33 14.3 landed
- 7c163aa93fe6 13.7 landed
- 6a767bc2e712 12.11 landed
- a77dddb42e09 11.16 landed
- 2a919372655d 10.21 landed
- e71c76fcab8d 15.0 landed
Clean up assorted failures under clang's -fsanitize=undefined checks.
- 46ab07ffda9d 15.0 cited