diff options
| author | Ingo Molnar <mingo@kernel.org> | 2024-04-03 09:13:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-04-03 09:13:09 +0200 |
| commit | 9b4e528557944dff694c8afa5a8912de81503bf2 (patch) | |
| tree | 7d4ff38fbf55e1d32e3384cac0ae2fc80d4ae179 /kernel/sys.c | |
| parent | dfbc411e0a5ea72fdd563b2c7d627e9d993d865c (diff) | |
| parent | 39cd87c4eb2b893354f3b850f916353f2658ae6f (diff) | |
Merge tag 'v6.9-rc2' into perf/core, to pick up dependent commits
Pick up fixes that followup patches are going to depend on.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index f8e543f1e38a..8bb106a56b3a 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -2408,8 +2408,11 @@ static inline int prctl_set_mdwe(unsigned long bits, unsigned long arg3, if (bits & PR_MDWE_NO_INHERIT && !(bits & PR_MDWE_REFUSE_EXEC_GAIN)) return -EINVAL; - /* PARISC cannot allow mdwe as it needs writable stacks */ - if (IS_ENABLED(CONFIG_PARISC)) + /* + * EOPNOTSUPP might be more appropriate here in principle, but + * existing userspace depends on EINVAL specifically. + */ + if (!arch_memory_deny_write_exec_supported()) return -EINVAL; current_bits = get_current_mdwe(); |