zfs/lib/libnvpair
Damian Szuberski 63652e1546
Add `--enable-asan` and `--enable-ubsan` switches
`configure` now accepts `--enable-asan` and `--enable-ubsan` switches
which results in passing `-fsanitize=address`
and `-fsanitize=undefined`, respectively, to the compiler. Those
flags are enabled in GitHub workflows for ZTS and zloop. Errors
reported by both instrumentations are corrected, except for:

- Memory leak reporting is (temporarily) suppressed. The cost of
  fixing them is relatively high compared to the gains.

- Checksum computing functions in `module/zcommon/zfs_fletcher*`
  have UBSan errors suppressed. It is completely impractical
  to enforce 64-byte payload alignment there due to performance
  impact.

- There's no ASan heap poisoning in `module/zstd/lib/zstd.c`. A custom
  memory allocator is used there rendering that measure
  unfeasible.

- Memory leaks detection has to be suppressed for `cmd/zvol_id`.
  `zvol_id` is run by udev with the help of `ptrace(2)`. Tracing is
  incompatible with memory leaks detection.

Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #12928
2022-02-03 14:35:38 -08:00
..
Makefile.am lib{efi,avl,share,tpool,zfs_core,zfsbootenv,zutil}: -fvisibility=hidden 2021-06-09 17:04:32 -07:00
libnvpair.abi Add `--enable-asan` and `--enable-ubsan` switches 2022-02-03 14:35:38 -08:00
libnvpair.c libnvpair: fix unused, remove argsused 2021-12-23 09:42:47 -08:00
libnvpair.suppr Library ABI tracking with abigail 2020-11-17 09:18:52 -08:00
libnvpair_json.c Fix error check in nvlist_print_json_string 2021-06-04 13:53:44 -06:00
nvpair_alloc_system.c module/*.ko: prune .data, global .rodata 2022-01-14 15:37:55 -08:00