diff options
| author | Thorsten Blum <thorsten.blum@linux.dev> | 2025-08-13 13:30:59 +0300 |
|---|---|---|
| committer | Madhavan Srinivasan <maddy@linux.ibm.com> | 2026-06-02 08:54:32 +0300 |
| commit | ab8bbf8024b7434e2b630965fd373fba5b89f29f (patch) | |
| tree | f219649c109ac04c395c445bba1a225f27f46a19 | |
| parent | ea8b474b5550d353a02f25a5813cb1682509d5e6 (diff) | |
| download | linux-ab8bbf8024b7434e2b630965fd373fba5b89f29f.tar.xz | |
powerpc/rtas: Replace one-element array with flexible array member
Replace the deprecated one-element array with a modern flexible array
member in the struct rtas_error_log and add the __counted_by_be()
compiler attribute to improve access bounds-checking via
CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE.
Link: https://github.com/KSPP/linux/issues/79
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250813103101.163698-2-thorsten.blum@linux.dev
| -rw-r--r-- | arch/powerpc/include/asm/rtas-types.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/rtas-types.h b/arch/powerpc/include/asm/rtas-types.h index 9d5b16803cbb..5d40d187b965 100644 --- a/arch/powerpc/include/asm/rtas-types.h +++ b/arch/powerpc/include/asm/rtas-types.h @@ -42,8 +42,9 @@ struct rtas_error_log { */ u8 byte3; /* General event or error*/ __be32 extended_log_length; /* length in bytes */ - unsigned char buffer[1]; /* Start of extended log */ - /* Variable length. */ + + /* Start of extended log, variable length */ + unsigned char buffer[] __counted_by_be(extended_log_length); }; /* RTAS general extended event log, Version 6. The extended log starts |