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(parent: bd3841c) | patch
arm64: fix function types in COND_SYSCALL
authorSami Tolvanen <samitolvanen@google.com>
Tue, 10 Sep 2019 22:40:44 +0000 (15:40 -0700)
committerWill Deacon <will@kernel.org>
Tue, 17 Sep 2019 11:11:50 +0000 (12:11 +0100)
commitc27eccfe4d6c7481ce99f1c433ca043ab464080a
treeb0857d724355e32bd3b6c065df3f4ea86d76f94ctree | snapshot
parentbd3841cd3bd852e7363218e71e48cb473de4fc06commit | diff
arm64: fix function types in COND_SYSCALL

Define a weak function in COND_SYSCALL instead of a weak alias to
sys_ni_syscall, which has an incompatible type. This fixes indirect
call mismatches with Control-Flow Integrity (CFI) checking.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/include/asm/syscall_wrapper.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)