Messages in this thread Patch in this message | | | From | Mathieu Desnoyers <> | Subject | [RFC PATCH tip] rseq: Fix: Increase AT_VECTOR_SIZE_BASE to match rseq auxvec entries | Date | Wed, 4 Jan 2023 14:20:54 -0500 |
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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.
Reported-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/Y7XJKZhuU9VJZQ11@dev-arch.thelio-3990X Fixes: 317c8194e6ae ("rseq: Introduce feature size and alignment ELF auxiliary vector entries") Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> --- include/linux/auxvec.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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 */ -- 2.25.1
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