[PATCH 0/6] tools/nolibc: fix some undefined behaviour and enable UBSAN

[Thomas Weißschuh]

Fix some issues uncovered by UBSAN and enable UBSAN for nolibc-test to
avoid regressions.

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
Thomas Weißschuh (6):
      tools/nolibc: add __nolibc_has_feature()
      tools/nolibc: disable function sanitizer for _start_c()
      tools/nolibc: properly align dirent buffer
      tools/nolibc: fix integer overflow in i{64,}toa_r() and
      selftests/nolibc: disable ubsan for smash_stack()
      selftests/nolibc: enable UBSAN if available

 tools/include/nolibc/compiler.h              |  6 ++++++
 tools/include/nolibc/crt.h                   |  5 +++++
 tools/include/nolibc/dirent.h                |  1 +
 tools/include/nolibc/stdlib.h                | 24 ++++++++----------------
 tools/testing/selftests/nolibc/Makefile      |  3 ++-
 tools/testing/selftests/nolibc/nolibc-test.c |  1 +
 6 files changed, 23 insertions(+), 17 deletions(-)
---
base-commit: 7c73c10b906778384843b9d3ac6c2224727bbf5c
change-id: 20250416-nolibc-ubsan-028401698654

Best regards,
-- 
Thomas Weißschuh <linux@xxxxxxxxxxxxxx>