diff options
| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-04-01 10:08:18 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-04-01 10:08:18 +0200 |
| commit | b82779648dfd3814df4e381f086326ec70fd791f (patch) | |
| tree | 59868a9860d907e232275d7a5a667e91213e6aa9 /kernel/sys.c | |
| parent | fe19aab844ad76a4e001082f633b1ac34f2a943d (diff) | |
| parent | 39cd87c4eb2b893354f3b850f916353f2658ae6f (diff) | |
Merge tag 'v6.9-rc2' into media_stage
Linux 6.9-rc2
This is needed to pull in commit 11763a8598f88 ("fs/9p: fix uaf in
in v9fs_stat2inode_dotl"), which fixes the broken virtme. With this
fix the media regression tests can be run again without crashing.
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(); |