Hi Andrew,
This fixes an errno change for execve() of directories, noticed by Marc Zyngier[1]. Along with the fix, include a regression test to avoid seeing this return in the future.
Thanks!
-Kees
[1] https://lore.kernel.org/lkml/20200813151305.6191993b@why
Kees Cook (2): exec: Restore EACCES of S_ISDIR execve() selftests/exec: Add file type errno tests
fs/namei.c | 4 +- tools/testing/selftests/exec/.gitignore | 1 + tools/testing/selftests/exec/Makefile | 5 +- tools/testing/selftests/exec/non-regular.c | 196 +++++++++++++++++++++ 4 files changed, 203 insertions(+), 3 deletions(-) create mode 100755 tools/testing/selftests/exec/non-regular.c