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| author | Ingo Molnar <mingo@kernel.org> | 2023-12-23 15:52:13 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-12-23 15:52:13 +0100 |
| commit | d2e9f53ac5dd76dadc0b5f04f6c27640604ce2af (patch) | |
| tree | bf82d9fbfdc2ce67630fdacc18c2231f3d17876a /kernel/sys.c | |
| parent | 418146e39891ef1fb2284dee4cabbfe616cd21cf (diff) | |
| parent | ceb6a6f023fd3e8b07761ed900352ef574010bcb (diff) | |
| download | lwn-d2e9f53ac5dd76dadc0b5f04f6c27640604ce2af.tar.gz lwn-d2e9f53ac5dd76dadc0b5f04f6c27640604ce2af.zip | |
Merge tag 'v6.7-rc6' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 420d9cb9cc8e..e219fcfa112d 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -2394,6 +2394,10 @@ 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)) + return -EINVAL; + current_bits = get_current_mdwe(); if (current_bits && current_bits != bits) return -EPERM; /* Cannot unset the flags */ |