diff options
| author | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | 2023-01-04 14:20:54 -0500 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-01-12 11:22:22 +0100 |
| commit | 28c8e088427ad30b4260953f3b6f908972b77c2d (patch) | |
| tree | bfe0ba7fe85399f6fce0f4b41bb1ef00ded8d8a8 | |
| parent | c91b0bf3e590a2dd0f2af4bb048abc0542eabf2e (diff) | |
| download | lwn-28c8e088427ad30b4260953f3b6f908972b77c2d.tar.gz lwn-28c8e088427ad30b4260953f3b6f908972b77c2d.zip | |
rseq: Increase AT_VECTOR_SIZE_BASE to match rseq auxvec entries
Two new auxiliary vector entries are introduced for rseq without
matching increment of the AT_VECTOR_SIZE_BASE, which causes failures
with CONFIG_HARDENED_USERCOPY=y.
Fixes: 317c8194e6ae ("rseq: Introduce feature size and alignment ELF auxiliary vector entries")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20230104192054.34046-1-mathieu.desnoyers@efficios.com
| -rw-r--r-- | include/linux/auxvec.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index f68d0ec2d740..407f7005e6d6 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -4,6 +4,6 @@ #include <uapi/linux/auxvec.h> -#define AT_VECTOR_SIZE_BASE 20 /* NEW_AUX_ENT entries in auxiliary table */ +#define AT_VECTOR_SIZE_BASE 22 /* NEW_AUX_ENT entries in auxiliary table */ /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */ #endif /* _LINUX_AUXVEC_H */ |