From: Paul Floyd <pjfloyd@wanadoo.fr>
Date: Fri, 8 Mar 2024 11:48:22 +0000 (+0100)
Subject: FreeBSD syscall: fix PRE_MEM_READ for utrace
X-Git-Tag: VALGRIND_3_23_0~123
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2343e5b87b3dab7c1bec3ec98e7952470c48ca47;p=thirdparty%2Fvalgrind.git

FreeBSD syscall: fix PRE_MEM_READ for utrace
---

diff --git a/coregrind/m_syswrap/syswrap-freebsd.c b/coregrind/m_syswrap/syswrap-freebsd.c
index 5f12ef062..bbe8286e1 100644
--- a/coregrind/m_syswrap/syswrap-freebsd.c
+++ b/coregrind/m_syswrap/syswrap-freebsd.c
@@ -3165,7 +3165,7 @@ PRE(sys_utrace)
 {
    PRINT("sys_utrace ( %#" FMT_REGWORD "x, %" FMT_REGWORD "u )", ARG1, ARG2);
    PRE_REG_READ2(int, "utrace", const void *, addr, vki_size_t, len);
-   PRE_MEM_READ( "utrace(addr)", ARG2, ARG3 );
+   PRE_MEM_READ( "utrace(addr)", ARG1, ARG2 );
 }
 
 // SYS_kldsym  337