diff options
| author | Kees Cook <keescook@chromium.org> | 2023-09-28 20:24:33 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2023-10-03 19:48:44 -0700 |
| commit | f9c0a39d95301a36baacfd3495374c6128d662fa (patch) | |
| tree | df22e1570e2c97f33e272fd5aaa62be52fe56d24 /mm/mmap.c | |
| parent | d5ca24f639588811af57ceac513183fa2004bd3a (diff) | |
binfmt_elf: Only report padzero() errors when PROT_WRITE
Errors with padzero() should be caught unless we're expecting a
pathological (non-writable) segment. Report -EFAULT only when PROT_WRITE
is present.
Additionally add some more documentation to padzero(), elf_map(), and
elf_load().
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-mm@kvack.org
Suggested-by: Eric Biederman <ebiederm@xmission.com>
Tested-by: Pedro Falcato <pedro.falcato@gmail.com>
Signed-off-by: Sebastian Ott <sebott@redhat.com>
Link: https://lore.kernel.org/r/20230929032435.2391507-5-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'mm/mmap.c')
0 files changed, 0 insertions, 0 deletions