diff options
| author | Helge Deller <deller@gmx.de> | 2022-06-26 11:50:43 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2022-06-26 12:23:15 +0200 |
| commit | 0a1355db36718178becd2bfe728a023933d73123 (patch) | |
| tree | b8b335ed227654f2b1418cdd82309d700d7ced68 | |
| parent | e9ed22e6e5010997a2f922eef61ca797d0a2a246 (diff) | |
parisc: Enable ARCH_HAS_STRICT_MODULE_RWX
Fix a boot crash on a c8000 machine as reported by Dave. Basically it changes
patch_map() to return an alias mapping to the to-be-patched code in order to
prevent writing to write-protected memory.
Signed-off-by: Helge Deller <deller@gmx.de>
Suggested-by: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # v5.2+
Link: https://lore.kernel.org/all/e8ec39e8-25f8-e6b4-b7ed-4cb23efc756e@bell.net/
| -rw-r--r-- | arch/parisc/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 5f2448dc5a2b..fa400055b2d5 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -10,6 +10,7 @@ config PARISC select ARCH_WANT_FRAME_POINTERS select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_STRICT_KERNEL_RWX + select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAS_PTE_SPECIAL select ARCH_NO_SG_CHAIN |