Module Name: src
Committed By: riastradh
Date: Sun Apr 23 11:53:00 UTC 2023
Modified Files:
src/libexec/ld.elf_so: rtld.c
Log Message:
dlopen(3): Read _rtld_objtail under the lock.
XXX pullup-8
XXX pullup-9
XXX pullup-10
To generate a diff of this commit:
cvs rdiff -u -r1.212 -r1.213 src/libexec/ld.elf_so/rtld.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/libexec/ld.elf_so/rtld.c
diff -u src/libexec/ld.elf_so/rtld.c:1.212 src/libexec/ld.elf_so/rtld.c:1.213
--- src/libexec/ld.elf_so/rtld.c:1.212 Tue Sep 13 10:18:58 2022
+++ src/libexec/ld.elf_so/rtld.c Sun Apr 23 11:53:00 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: rtld.c,v 1.212 2022/09/13 10:18:58 riastradh Exp $ */
+/* $NetBSD: rtld.c,v 1.213 2023/04/23 11:53:00 riastradh Exp $ */
/*
* Copyright 1996 John D. Polstra.
@@ -40,7 +40,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: rtld.c,v 1.212 2022/09/13 10:18:58 riastradh Exp $");
+__RCSID("$NetBSD: rtld.c,v 1.213 2023/04/23 11:53:00 riastradh Exp $");
#endif /* not lint */
#include <sys/param.h>
@@ -1026,7 +1026,7 @@ __strong_alias(__dlopen,dlopen)
void *
dlopen(const char *name, int mode)
{
- Obj_Entry **old_obj_tail = _rtld_objtail;
+ Obj_Entry **old_obj_tail;
Obj_Entry *obj = NULL;
int flags = _RTLD_DLOPEN;
bool nodelete;
@@ -1038,6 +1038,8 @@ dlopen(const char *name, int mode)
_rtld_exclusive_enter(&mask);
+ old_obj_tail = _rtld_objtail;
+
flags |= (mode & RTLD_GLOBAL) ? _RTLD_GLOBAL : 0;
flags |= (mode & RTLD_NOLOAD) ? _RTLD_NOLOAD : 0;
