From 23006d16f56881b989db77c133b561fc4f7a6a3f Mon Sep 17 00:00:00 2001
From: yury <jura@cp-lab.com>
Date: Fri, 5 Oct 2018 18:33:55 +0000
Subject: [PATCH] * Fixed UnhookSignal when RTL_SIGDEFAULT is passed. The bug
 have caused crash on aarch64-android due to out of bounds read of the
 rtlsig2ossig[] array.

git-svn-id: trunk@39860 -
---
 rtl/unix/sysutils.pp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtl/unix/sysutils.pp b/rtl/unix/sysutils.pp
index c0a92dd2b0..12c7899e82 100644
--- a/rtl/unix/sysutils.pp
+++ b/rtl/unix/sysutils.pp
@@ -274,7 +274,7 @@ procedure UnhookSignal(RtlSigNum: Integer; OnlyIfHooked: Boolean = True);
                 fillchar(act,sizeof(act),0);
                 pointer(act.sa_handler):=pointer(SIG_DFL);
               end;
-            if (fpsigaction(rtlsig2ossig[RtlSigNum],@act,nil)=0) then
+            if (fpsigaction(rtlsig2ossig[i],@act,nil)=0) then
               siginfo[i].hooked:=false;
           end;
       end;