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| author | Helge Deller <deller@gmx.de> | 2022-06-26 11:50:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-29 08:59:53 +0200 |
| commit | ca144919afd4cd5c297ccca05a027f6392edb066 (patch) | |
| tree | 97860fb583961df1a215c8ed1b5d75769ed90fcf | |
| parent | a1c902349ad5656903589d672ad163a23a2a99b4 (diff) | |
| download | linux-stable-ca144919afd4cd5c297ccca05a027f6392edb066.tar.gz linux-stable-ca144919afd4cd5c297ccca05a027f6392edb066.tar.bz2 linux-stable-ca144919afd4cd5c297ccca05a027f6392edb066.zip | |
parisc: Enable ARCH_HAS_STRICT_MODULE_RWX
commit 0a1355db36718178becd2bfe728a023933d73123 upstream.
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/
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 14f3252f2da0..2d89f79f460c 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -11,6 +11,7 @@ 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_NO_SG_CHAIN select ARCH_SUPPORTS_MEMORY_FAILURE |