OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/strace?expand=0&rev=8

clone2.diff

@@ -0,0 +1,20 @@
+2008-06-30  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	Fix ia64 `-f' on CLONE2 formerly crashing the child.
+	* util.c [IA64] (restore_arg0, restore_arg1): Define as empty.
+
+--- util.c	20 May 2008 00:34:34 -0000	1.75
++++ util.c	30 Jun 2008 16:23:00 -0000
+@@ -1379,6 +1379,12 @@ set_arg1 (struct tcb *tcp, arg_setup_sta
+ 	return errno ? -1 : 0;
+ }
+ 
++/* ia64 does not return the input arguments from functions (and syscalls)
++   according to ia64 RSE (Register Stack Engine) behavior.  */
++
++# define restore_arg0(tcp, state, val) ((void) (state), 0)
++# define restore_arg1(tcp, state, val) ((void) (state), 0)
++
+ #elif defined (SPARC) || defined (SPARC64)
+ 
+ typedef struct regs arg_setup_state;

strace.changes

@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jun 30 18:44:58 CEST 2008 - schwab@suse.de
+
+- Fix following vfork and clone2.
+
 -------------------------------------------------------------------
 Thu Apr 10 12:54:45 CEST 2008 - ro@suse.de
 

strace.spec

@@ -17,7 +17,7 @@ License:        BSD 3-Clause
 Group:          Development/Tools/Debuggers
 AutoReqProv:    on
 Version:        4.5.16
-Release:        44
+Release:        56
 Summary:        A utility to trace the system calls of a program
 Source:         strace-%{version}.tar.bz2
 Patch:          strace-%{version}.diff
@@ -27,6 +27,8 @@ Patch4:         strace-sysinfo.diff
 Patch5:         strace-graph.diff
 Patch6:         ioctl.diff
 Patch8:         ptrace.diff
+Patch9:         vfork.diff
+Patch10:        clone2.diff
 Url:            http://sourceforge.net/projects/strace/
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
@@ -52,6 +54,8 @@ Authors:
 %patch5
 %patch6
 %patch8
+%patch9
+%patch10
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS"
@@ -75,6 +79,8 @@ rm -rf $RPM_BUILD_ROOT
 %doc %{_mandir}/man1/strace.1.gz
 
 %changelog
+* Mon Jun 30 2008 schwab@suse.de
+- Fix following vfork and clone2.
 * Thu Apr 10 2008 ro@suse.de
 - added baselibs.conf file to build xxbit packages
   for multilib support

vfork.diff

@@ -0,0 +1,42 @@
+2008-06-27  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* util.c (CLONE_VFORK): Define if not defined already.
+	(setbpt): Clear CLONE_VFORK for SYS_CLONE and SYS_CLONE2.  New comment.
+	Originally found by Vitaly Mayatskikh.
+
+--- util.c	20 May 2008 00:34:34 -0000	1.75
++++ util.c	30 Jun 2008 12:53:31 -0000
+@@ -1281,6 +1281,9 @@ struct tcb *tcp;
+ #ifndef CLONE_PTRACE
+ # define CLONE_PTRACE    0x00002000
+ #endif
++#ifndef CLONE_VFORK
++# define CLONE_VFORK     0x00004000
++#endif
+ #ifndef CLONE_STOPPED
+ # define CLONE_STOPPED   0x02000000
+ #endif
+@@ -1524,12 +1527,17 @@ struct tcb *tcp;
+ #ifdef SYS_clone2
+ 	case SYS_clone2:
+ #endif
+-		if ((tcp->u_arg[arg0_index] & CLONE_PTRACE) == 0
+-		    && (arg_setup (tcp, &state) < 0
+-			|| set_arg0 (tcp, &state,
+-				     tcp->u_arg[arg0_index] | CLONE_PTRACE) < 0
+-			|| arg_finish_change (tcp, &state) < 0))
+-			return -1;
++		/* ia64 calls directly `clone (CLONE_VFORK)' contrary to x86
++		   SYS_vfork above.  Even on x86 we turn the VFORK semantics
++		   into plain FORK - each application must not depend on the
++		   VFORK specifics according to POSIX.  We would hang waiting
++		   for the parent resume otherwise.  */
++		if ((arg_setup (tcp, &state) < 0
++		    || set_arg0 (tcp, &state,
++				 (tcp->u_arg[arg0_index] | CLONE_PTRACE)
++				 & ~CLONE_VFORK) < 0
++		    || arg_finish_change (tcp, &state) < 0))
++		    return -1;
+ 		tcp->flags |= TCB_BPTSET;
+ 		tcp->inst[0] = tcp->u_arg[arg0_index];
+ 		tcp->inst[1] = tcp->u_arg[arg1_index];