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From: <sv...@va...> - 2007-05-05 16:46:22
|
Author: sewardj
Date: 2007-05-05 17:46:21 +0100 (Sat, 05 May 2007)
New Revision: 6729
Log:
Merge r6728 (Fix stack overflow which lead to totally mysterious .bss
corruption)
Modified:
branches/VALGRIND_3_2_BRANCH/coregrind/m_ume.c
Modified: branches/VALGRIND_3_2_BRANCH/coregrind/m_ume.c
===================================================================
--- branches/VALGRIND_3_2_BRANCH/coregrind/m_ume.c 2007-05-05 11:40:35 UTC (rev 6728)
+++ branches/VALGRIND_3_2_BRANCH/coregrind/m_ume.c 2007-05-05 16:46:21 UTC (rev 6729)
@@ -553,8 +553,8 @@
/* returns: 0 = success, non-0 is failure */
static Int load_script(Int fd, const HChar* name, ExeInfo* info)
{
- Char hdr[VKI_MAX_PAGE_SIZE];
- Int len = VKI_PAGE_SIZE;
+ Char hdr[4096];
+ Int len = 4096;
Int eol;
Char* interp;
Char* end;
@@ -628,8 +628,8 @@
{
Int fd, ret;
SysRes res;
- Char buf[VKI_MAX_PAGE_SIZE];
- SizeT bufsz = VKI_PAGE_SIZE, fsz;
+ Char buf[4096];
+ SizeT bufsz = 4096, fsz;
// Check it's readable
res = VG_(open)(exe_name, VKI_O_RDONLY, 0);
|
|
From: <js...@ac...> - 2007-05-05 13:55:38
|
Nightly build on minnie ( SuSE 10.0, ppc32 ) started at 2007-05-05 09:00:01 BST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 219 tests, 10 stderr failures, 7 stdout failures, 0 posttest failures == memcheck/tests/leak-tree (stderr) memcheck/tests/leakotron (stdout) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/xml1 (stderr) none/tests/faultstatus (stderr) none/tests/fdleak_cmsg (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/ppc32/jm-fp (stdout) none/tests/ppc32/jm-fp (stderr) none/tests/ppc32/round (stdout) none/tests/ppc32/round (stderr) none/tests/ppc32/test_fx (stdout) none/tests/ppc32/test_fx (stderr) none/tests/ppc32/test_gx (stdout) none/tests/tls (stdout) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 219 tests, 10 stderr failures, 6 stdout failures, 0 posttest failures == memcheck/tests/leak-tree (stderr) memcheck/tests/leakotron (stdout) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/xml1 (stderr) none/tests/faultstatus (stderr) none/tests/fdleak_cmsg (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/ppc32/jm-fp (stdout) none/tests/ppc32/jm-fp (stderr) none/tests/ppc32/round (stdout) none/tests/ppc32/round (stderr) none/tests/ppc32/test_fx (stdout) none/tests/ppc32/test_fx (stderr) none/tests/ppc32/test_gx (stdout) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Sat May 5 09:16:50 2007 --- new.short Sat May 5 09:50:47 2007 *************** *** 8,10 **** ! == 219 tests, 10 stderr failures, 6 stdout failures, 0 posttest failures == memcheck/tests/leak-tree (stderr) --- 8,10 ---- ! == 219 tests, 10 stderr failures, 7 stdout failures, 0 posttest failures == memcheck/tests/leak-tree (stderr) *************** *** 25,26 **** --- 25,27 ---- none/tests/ppc32/test_gx (stdout) + none/tests/tls (stdout) |
|
From: <sv...@va...> - 2007-05-05 12:26:24
|
Author: sewardj
Date: 2007-05-05 13:26:23 +0100 (Sat, 05 May 2007)
New Revision: 1763
Log:
Oops. Fix longstanding bug which will have caused an unnecessary 4M
of bss space to be allocated.
Modified:
trunk/priv/main/vex_util.c
Modified: trunk/priv/main/vex_util.c
===================================================================
--- trunk/priv/main/vex_util.c 2007-05-04 10:48:12 UTC (rev 1762)
+++ trunk/priv/main/vex_util.c 2007-05-05 12:26:23 UTC (rev 1763)
@@ -71,12 +71,12 @@
static ULong temporary_bytes_allocd_TOT = 0;
-#define N_PERMANENT_BYTES 1000
+#define N_PERMANENT_BYTES 10000
-static HChar permanent[N_TEMPORARY_BYTES] __attribute__((aligned(8)));
+static HChar permanent[N_PERMANENT_BYTES] __attribute__((aligned(8)));
static HChar* permanent_first = &permanent[0];
static HChar* permanent_curr = &permanent[0];
-static HChar* permanent_last = &permanent[N_TEMPORARY_BYTES-1];
+static HChar* permanent_last = &permanent[N_PERMANENT_BYTES-1];
static VexAllocMode mode = VexAllocModeTEMP;
@@ -85,7 +85,7 @@
vassert(temporary_first == &temporary[0]);
vassert(temporary_last == &temporary[N_TEMPORARY_BYTES-1]);
vassert(permanent_first == &permanent[0]);
- vassert(permanent_last == &permanent[N_TEMPORARY_BYTES-1]);
+ vassert(permanent_last == &permanent[N_PERMANENT_BYTES-1]);
vassert(temporary_first <= temporary_curr);
vassert(temporary_curr <= temporary_last);
vassert(permanent_first <= permanent_curr);
@@ -178,7 +178,7 @@
private_LibVEX_alloc_first,
private_LibVEX_alloc_curr,
private_LibVEX_alloc_last,
- (Long)(private_LibVEX_alloc_last - private_LibVEX_alloc_first));
+ (Long)(private_LibVEX_alloc_last + 1 - private_LibVEX_alloc_first));
vpanic("VEX temporary storage exhausted.\n"
"Increase N_{TEMPORARY,PERMANENT}_BYTES and recompile.");
}
@@ -202,6 +202,8 @@
{
vex_printf("vex storage: T total %lld bytes allocated\n",
(Long)temporary_bytes_allocd_TOT );
+ vex_printf("vex storage: P total %lld bytes allocated\n",
+ (Long)(permanent_curr - permanent_first) );
}
|
|
From: <sv...@va...> - 2007-05-05 11:40:39
|
Author: sewardj
Date: 2007-05-05 12:40:35 +0100 (Sat, 05 May 2007)
New Revision: 6728
Log:
Fix stack overflow which lead to totally mysterious .bss corruption
and hence to segfaulting in vex on ppc32/64-linux in obscure
circumstances. VKI_MAX_PAGE_SIZE is 64k in recent Valgrinds.
Modified:
trunk/coregrind/m_ume.c
Modified: trunk/coregrind/m_ume.c
===================================================================
--- trunk/coregrind/m_ume.c 2007-05-03 21:25:37 UTC (rev 6727)
+++ trunk/coregrind/m_ume.c 2007-05-05 11:40:35 UTC (rev 6728)
@@ -565,8 +565,8 @@
/* returns: 0 = success, non-0 is failure */
static Int load_script(Int fd, const HChar* name, ExeInfo* info)
{
- Char hdr[VKI_MAX_PAGE_SIZE];
- Int len = VKI_PAGE_SIZE;
+ Char hdr[4096];
+ Int len = 4096;
Int eol;
Char* interp;
Char* end;
@@ -640,8 +640,8 @@
{
Int fd, ret;
SysRes res;
- Char buf[VKI_MAX_PAGE_SIZE];
- SizeT bufsz = VKI_PAGE_SIZE, fsz;
+ Char buf[4096];
+ SizeT bufsz = 4096, fsz;
// Check it's readable
res = VG_(open)(exe_name, VKI_O_RDONLY, 0);
|
|
From: Tom H. <th...@cy...> - 2007-05-05 02:24:19
|
Nightly build on dellow ( x86_64, Fedora Core 6 ) started at 2007-05-05 03:10:05 BST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 292 tests, 4 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 292 tests, 4 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/pth_detached (stdout) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Sat May 5 03:16:53 2007 --- new.short Sat May 5 03:24:13 2007 *************** *** 8,10 **** ! == 292 tests, 4 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/pointer-trace (stderr) --- 8,10 ---- ! == 292 tests, 4 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/pointer-trace (stderr) *************** *** 14,16 **** none/tests/mremap2 (stdout) - none/tests/pth_detached (stdout) --- 14,15 ---- |
|
From: Tom H. <th...@cy...> - 2007-05-05 02:17:32
|
Nightly build on lloyd ( x86_64, Fedora Core 3 ) started at 2007-05-05 03:05:04 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 292 tests, 6 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) memcheck/tests/xml1 (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) |
|
From: Tom H. <th...@cy...> - 2007-05-05 02:15:38
|
Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2007-05-05 03:00:03 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 294 tests, 6 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) none/tests/fdleak_fcntl (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) |
|
From: <js...@ac...> - 2007-05-05 00:17:04
|
Nightly build on g5 ( SuSE 10.1, ppc970 ) started at 2007-05-05 02:00:01 CEST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 226 tests, 6 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/pointer-trace (stderr) none/tests/faultstatus (stderr) none/tests/fdleak_cmsg (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 226 tests, 6 stderr failures, 3 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/pointer-trace (stderr) none/tests/faultstatus (stderr) none/tests/fdleak_cmsg (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/res_search (stdout) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Sat May 5 02:08:53 2007 --- new.short Sat May 5 02:17:02 2007 *************** *** 8,10 **** ! == 226 tests, 6 stderr failures, 3 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) --- 8,10 ---- ! == 226 tests, 6 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) *************** *** 17,19 **** none/tests/mremap2 (stdout) - none/tests/res_search (stdout) --- 17,18 ---- |