[PATCH v2 0/2] qnx4: Avoid confusing compiler about buffer lengths

Kees Cook
2023-11-30T20:51:27Z

Hi,

This attempts to fix the issue Ronald Monthero found[1]. Avoids using a
too-short struct buffer when reading the string, by using the existing
struct union.

-Kees

[1] https://lore.kernel.org/lkml/20231112095353.579855-1-debug.penguin32@gmail.com/

v2:
- Use BUILD_BUG_ON() instead of _Static_assert()
v1: https://lore.kernel.org/all/20231118032638.work.955-kees@kernel.org/

Kees Cook (2):
qnx4: Extract dir entry filename processing into helper
qnx4: Use get_directory_fname() in qnx4_match()

fs/qnx4/dir.c | 52 ++++++------------------------------------
fs/qnx4/namei.c | 29 +++++++++---------------
fs/qnx4/qnx4.h | 60 +++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 78 insertions(+), 63 deletions(-)

--
2.34.1