From 4f4e5567f856d9b841494b3b5216a37d2952ee54 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 6 Jan 2022 14:57:38 -0800 Subject: [PATCH] linux-user: Implement capability prctls This is PR_CAPBSET_READ, PR_CAPBSET_DROP and the "legacy" PR_CAP_AMBIENT PR_GET_SECUREBITS, PR_SET_SECUREBITS. All of these arguments are integer values only, and do not require mapping of values between host and guest. Signed-off-by: Richard Henderson Reviewed-by: Laurent Vivier Message-Id: <20220106225738.103012-5-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/syscall.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index f9ae6328b5..5950222a77 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6504,10 +6504,15 @@ static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2, case PR_SET_UNALIGN: return do_prctl_set_unalign(env, arg2); + case PR_CAP_AMBIENT: + case PR_CAPBSET_READ: + case PR_CAPBSET_DROP: case PR_GET_DUMPABLE: case PR_SET_DUMPABLE: case PR_GET_KEEPCAPS: case PR_SET_KEEPCAPS: + case PR_GET_SECUREBITS: + case PR_SET_SECUREBITS: case PR_GET_TIMING: case PR_SET_TIMING: case PR_GET_TIMERSLACK: