From: Mathieu Desnoyers Date: Wed, 4 Jan 2023 19:20:54 +0000 (-0500) Subject: rseq: Increase AT_VECTOR_SIZE_BASE to match rseq auxvec entries X-Git-Tag: v6.3-rc1~198^2~72 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=28c8e088427ad30b4260953f3b6f908972b77c2d;p=thirdparty%2Flinux.git 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 Signed-off-by: Mathieu Desnoyers Signed-off-by: Peter Zijlstra (Intel) Tested-by: Nathan Chancellor Link: https://lore.kernel.org/r/20230104192054.34046-1-mathieu.desnoyers@efficios.com --- diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index f68d0ec2d740d..407f7005e6d60 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -4,6 +4,6 @@ #include -#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 */