Add valgrind-3.12.0-deregister-stack.patch

This commit is contained in:
Mark Wielaard 2017-02-18 16:38:19 +01:00
parent 5ca6500892
commit 44fb313166
2 changed files with 116 additions and 0 deletions

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@ -0,0 +1,111 @@
commit 2b49317b4f237ea5f648d8b958f96cd03fcabc7d
Author: philippe <philippe@a5019735-40e9-0310-863c-91ae7b9d1cf9>
Date: Mon Nov 28 19:34:06 2016 +0000
Fix 373046 - Stacks registered by core are never deregistered
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@16159 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_scheduler/scheduler.c b/coregrind/m_scheduler/scheduler.c
index 0363898..49f51d6 100644
--- a/coregrind/m_scheduler/scheduler.c
+++ b/coregrind/m_scheduler/scheduler.c
@@ -488,6 +488,7 @@ static void os_state_clear(ThreadState *tst)
{
tst->os_state.lwpid = 0;
tst->os_state.threadgroup = 0;
+ tst->os_state.stk_id = NULL_STK_ID;
# if defined(VGO_linux)
/* no other fields to clear */
# elif defined(VGO_darwin)
@@ -504,7 +505,6 @@ static void os_state_clear(ThreadState *tst)
# if defined(VGP_x86_solaris)
tst->os_state.thrptr = 0;
# endif
- tst->os_state.stk_id = (UWord)-1;
tst->os_state.ustack = NULL;
tst->os_state.in_door_return = False;
tst->os_state.door_return_procedure = 0;
diff --git a/coregrind/m_syswrap/syswrap-generic.c b/coregrind/m_syswrap/syswrap-generic.c
index 6ef6a90..28972ae 100644
--- a/coregrind/m_syswrap/syswrap-generic.c
+++ b/coregrind/m_syswrap/syswrap-generic.c
@@ -84,11 +84,14 @@ void ML_(guess_and_register_stack) (Addr sp, ThreadState* tst)
tst->client_stack_highest_byte = (Addr)VG_PGROUNDUP(sp)-1;
tst->client_stack_szB = tst->client_stack_highest_byte - seg->start + 1;
- VG_(register_stack)(seg->start, tst->client_stack_highest_byte);
+ tst->os_state.stk_id
+ = VG_(register_stack)(seg->start, tst->client_stack_highest_byte);
if (debug)
- VG_(printf)("tid %u: guessed client stack range [%#lx-%#lx]\n",
- tst->tid, seg->start, tst->client_stack_highest_byte);
+ VG_(printf)("tid %u: guessed client stack range [%#lx-%#lx]"
+ " as stk_id %lu\n",
+ tst->tid, seg->start, tst->client_stack_highest_byte,
+ tst->os_state.stk_id);
} else {
VG_(message)(Vg_UserMsg,
"!? New thread %u starts with SP(%#lx) unmapped\n",
diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c
index af10b92..725ad78 100644
--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -52,6 +52,7 @@
#include "pub_core_options.h"
#include "pub_core_scheduler.h"
#include "pub_core_signals.h"
+#include "pub_core_stacks.h"
#include "pub_core_syscall.h"
#include "pub_core_syswrap.h"
#include "pub_core_inner.h"
@@ -162,6 +163,10 @@ static void run_a_thread_NORETURN ( Word tidW )
c = VG_(count_living_threads)();
vg_assert(c >= 1); /* stay sane */
+ /* Deregister thread's stack. */
+ if (tst->os_state.stk_id != NULL_STK_ID)
+ VG_(deregister_stack)(tst->os_state.stk_id);
+
// Tell the tool this thread is exiting
VG_TRACK( pre_thread_ll_exit, tid );
diff --git a/coregrind/pub_core_threadstate.h b/coregrind/pub_core_threadstate.h
index f3d956c..3307e75 100644
--- a/coregrind/pub_core_threadstate.h
+++ b/coregrind/pub_core_threadstate.h
@@ -114,6 +114,8 @@ typedef
ThreadArchState;
+#define NULL_STK_ID (~(UWord)0)
+
/* OS-specific thread state. IMPORTANT: if you add fields to this,
you _must_ add code to os_state_clear() to initialise those
fields. */
@@ -129,6 +131,12 @@ typedef
Addr valgrind_stack_base; // Valgrind's stack (VgStack*)
Addr valgrind_stack_init_SP; // starting value for SP
+ /* Client stack is registered as stk_id (on linux/darwin, by
+ ML_(guess_and_register_stack)).
+ Stack id NULL_STK_ID means that the user stack is not (yet)
+ registered. */
+ UWord stk_id;
+
/* exit details */
Word exitcode; // in the case of exitgroup, set by someone else
Int fatalsig; // fatal signal
@@ -281,10 +289,6 @@ typedef
the 64-bit offset associated with a %fs value of zero. */
# endif
- /* Stack id (value (UWord)(-1) means that there is no stack). This
- tracks a stack that is set in restore_stack(). */
- UWord stk_id;
-
/* Simulation of the kernel's lwp->lwp_ustack. Set in the PRE wrapper
of the getsetcontext syscall, for SETUSTACK. Used in
VG_(save_context)(), VG_(restore_context)() and

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@ -98,6 +98,9 @@ Patch10: valgrind-3.12.0-quick-fatal-sigs.patch
# KDE#372504 Hanging on exit_group
Patch11: valgrind-3.12.0-exit_group.patch
# KDE#373046 Stacks registered by core are never deregistered
Patch12: valgrind-3.12.0-deregister-stack.patch
%if %{build_multilib}
# Ensure glibc{,-devel} is installed for both multilib arches
BuildRequires: /lib/libc.so.6 /usr/lib/libc.so /lib64/libc.so.6 /usr/lib64/libc.so
@ -218,6 +221,7 @@ Valgrind User Manual for details.
%patch9 -p1
%patch10 -p1
%patch11 -p1
%patch12 -p1
%build
# We need to use the software collection compiler and binutils if available.
@ -417,6 +421,7 @@ echo ===============END TESTING===============
- Add valgrind-3.12.0-clone-spawn.patch
- Add valgrind-3.12.0-quick-fatal-sigs.patch
- Add valgrind-3.12.0-exit_group.patch
- Add valgrind-3.12.0-deregister-stack.patch
* Fri Feb 17 2017 Mark Wielaard <mjw@redhat.com> - 3.12.0-5
- Add valgrind-3.12.0-ppc64-r2.patch (#1424367)