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From: Petar J. <mip...@gm...> - 2016-11-23 17:43:59
|
On Tue, Nov 22, 2016 at 2:20 PM, Mark Wielaard <mj...@re...> wrote: > Yes. The patch makes both the helgrind and drd bar_bad testcase reliably > PASS for me on x86_64 against glibc version 2.17 and 2.23. > Committed in r16154. Regards, Petar |
|
From: Petar J. <mip...@gm...> - 2016-11-23 17:41:45
|
On Tue, Nov 22, 2016 at 2:26 PM, Mark Wielaard <mj...@re...> wrote: > > Adding --fair-sched=try to vgopts for these three tests doesn't seem to > change anything for me. But I haven't seen long delays even without > --fair-sched=try. If it helps in other cases then please do add it. > I can confirm what Philippe says, that is that adding --fair-sched=try avoids the long executions. Regards, Petar |
Author: petarj
Date: Wed Nov 23 17:38:29 2016
New Revision: 16154
Log:
make bar_bad tests more deterministic
Canceling the thread slp2 before the case 5 makes behaviour of this test
more deterministic.
Also, as Philippe W. pointed out, adding --fair-sched=try seems to avoid
variable and sometimes very long run time for these tests.
Related BZ #358213
Modified:
trunk/drd/tests/bar_bad.vgtest
trunk/drd/tests/bar_bad_xml.vgtest
trunk/helgrind/tests/bar_bad.c
trunk/helgrind/tests/bar_bad.stderr.exp
trunk/helgrind/tests/bar_bad.stderr.exp-destroy-hang
trunk/helgrind/tests/bar_bad.vgtest
Modified: trunk/drd/tests/bar_bad.vgtest
==============================================================================
--- trunk/drd/tests/bar_bad.vgtest (original)
+++ trunk/drd/tests/bar_bad.vgtest Wed Nov 23 17:38:29 2016
@@ -1,2 +1,3 @@
prereq: test -e ../../helgrind/tests/bar_bad && ./supported_libpthread
prog: ../../helgrind/tests/bar_bad
+vgopts: --fair-sched=try
Modified: trunk/drd/tests/bar_bad_xml.vgtest
==============================================================================
--- trunk/drd/tests/bar_bad_xml.vgtest (original)
+++ trunk/drd/tests/bar_bad_xml.vgtest Wed Nov 23 17:38:29 2016
@@ -1,4 +1,4 @@
prereq: test -e ../../helgrind/tests/bar_bad && ./supported_libpthread
-vgopts: --xml=yes --xml-fd=2
+vgopts: --xml=yes --xml-fd=2 --fair-sched=try
prog: ../../helgrind/tests/bar_bad
stderr_filter: ../../memcheck/tests/filter_xml
Modified: trunk/helgrind/tests/bar_bad.c
==============================================================================
--- trunk/helgrind/tests/bar_bad.c (original)
+++ trunk/helgrind/tests/bar_bad.c Wed Nov 23 17:38:29 2016
@@ -81,6 +81,8 @@
/* and now destroy */
pthread_barrier_destroy(bar4);
+ pthread_cancel(slp2);
+
/* destroy a barrier that was never initialised. This is a bit
tricky, in that we have to fill the barrier with bytes which
ensure that the pthread_barrier_destroy call doesn't crash for
Modified: trunk/helgrind/tests/bar_bad.stderr.exp
==============================================================================
--- trunk/helgrind/tests/bar_bad.stderr.exp (original)
+++ trunk/helgrind/tests/bar_bad.stderr.exp Wed Nov 23 17:38:29 2016
@@ -60,5 +60,5 @@
Thread #x: pthread_barrier_destroy: barrier was never initialised
at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
- by 0x........: main (bar_bad.c:96)
+ by 0x........: main (bar_bad.c:98)
Modified: trunk/helgrind/tests/bar_bad.stderr.exp-destroy-hang
==============================================================================
--- trunk/helgrind/tests/bar_bad.stderr.exp-destroy-hang (original)
+++ trunk/helgrind/tests/bar_bad.stderr.exp-destroy-hang Wed Nov 23 17:38:29 2016
@@ -68,5 +68,5 @@
Thread #x: pthread_barrier_destroy: barrier was never initialised
at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
- by 0x........: main (bar_bad.c:96)
+ by 0x........: main (bar_bad.c:98)
Modified: trunk/helgrind/tests/bar_bad.vgtest
==============================================================================
--- trunk/helgrind/tests/bar_bad.vgtest (original)
+++ trunk/helgrind/tests/bar_bad.vgtest Wed Nov 23 17:38:29 2016
@@ -1,3 +1,3 @@
prereq: test -e bar_bad
prog: bar_bad
-vgopts: -q
+vgopts: -q --fair-sched=try
|
|
From: Thomas D. <wh...@ge...> - 2016-11-23 14:48:19
|
Hi, On 2016-11-22 22:00, Philippe Waroquiers wrote: > For sure, it would be good to update this library. > > However, I am not too sure to understand the vulnerability in the case > of valgrind: this minilzo is used to read the debug info of the > executable or libraries being valgrind-ed. > > If an attacker is persuading someone to use valgrind on an executable > or with a library containing some specially crafted debuginfo, > the attacker might as well just put what is needed in the executable > or library itself, without going through the effort to exploit > this integer overflow via the debuginfo of the executable/lib. > > Or is there an attack path that is possible via this minilzo 'only' ? I am not sure if you can get hit by this if you are only analyzing a given core dump, Anyways, the rating for valgrind should be very low. So I am only asking if you (the valgrind project) can update the 3rd party library with the next regular update so that we (the distributions) can get you from the lists of packages shipping the vulnerable lib. Nothing more. :) Thanks! -- Regards, Thomas |
|
From: <sv...@va...> - 2016-11-23 13:26:29
|
Author: sewardj
Date: Wed Nov 23 13:26:23 2016
New Revision: 16153
Log:
Bug 348616 - Wine/valgrind: Warning: noted but unhandled ioctl 0x5390
with no size/direction hints. (DVD_READ_STRUCT)
Patch from Austin English (aus...@gm...).
Modified:
trunk/coregrind/m_syswrap/syswrap-linux.c
trunk/include/vki/vki-linux.h
Modified: trunk/coregrind/m_syswrap/syswrap-linux.c
==============================================================================
--- trunk/coregrind/m_syswrap/syswrap-linux.c (original)
+++ trunk/coregrind/m_syswrap/syswrap-linux.c Wed Nov 23 13:26:23 2016
@@ -5674,7 +5674,10 @@
case VKI_CDROM_DISC_STATUS:
case VKI_CDROMSTOP:
- /* KVM ioctls that dont check for a numeric value as parameter */
+ /* DVD stuff */
+ case VKI_DVD_READ_STRUCT:
+
+ /* KVM ioctls that don't check for a numeric value as parameter */
case VKI_KVM_S390_ENABLE_SIE:
case VKI_KVM_CREATE_IRQCHIP:
case VKI_KVM_S390_INITIAL_RESET:
@@ -9226,6 +9229,10 @@
case VKI_CDROM_GET_CAPABILITY: /* 0x5331 */
break;
+ /* DVD stuff */
+ case VKI_DVD_READ_STRUCT:
+ break;
+
case VKI_FIGETBSZ:
POST_MEM_WRITE(ARG3, sizeof(unsigned long));
break;
Modified: trunk/include/vki/vki-linux.h
==============================================================================
--- trunk/include/vki/vki-linux.h (original)
+++ trunk/include/vki/vki-linux.h Wed Nov 23 13:26:23 2016
@@ -1885,6 +1885,7 @@
#define VKI_CDROM_DISC_STATUS 0x5327 /* get CD type information */
#define VKI_CDROM_GET_CAPABILITY 0x5331 /* get capabilities */
+#define VKI_DVD_READ_STRUCT 0x5390 /* read structure */
#define VKI_CDROM_SEND_PACKET 0x5393 /* send a packet to the drive */
struct vki_cdrom_msf0
|
|
From: <sv...@va...> - 2016-11-23 13:15:31
|
Author: sewardj
Date: Wed Nov 23 13:15:22 2016
New Revision: 16152
Log:
Bug 352767 - Wine/valgrind: Warning: noted but unhandled ioctl 0x5307
with no size/direction hints. (CDROMSTOP).
Patch from Austin English (aus...@gm...).
Modified:
trunk/coregrind/m_syswrap/syswrap-linux.c
trunk/include/vki/vki-linux.h
Modified: trunk/coregrind/m_syswrap/syswrap-linux.c
==============================================================================
--- trunk/coregrind/m_syswrap/syswrap-linux.c (original)
+++ trunk/coregrind/m_syswrap/syswrap-linux.c Wed Nov 23 13:15:22 2016
@@ -5672,6 +5672,7 @@
/* CDROM stuff. */
case VKI_CDROM_DISC_STATUS:
+ case VKI_CDROMSTOP:
/* KVM ioctls that dont check for a numeric value as parameter */
case VKI_KVM_S390_ENABLE_SIE:
@@ -9188,6 +9189,7 @@
/* CD ROM stuff (??) */
case VKI_CDROM_DISC_STATUS:
+ case VKI_CDROMSTOP:
break;
case VKI_CDROMSUBCHNL:
POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_subchnl));
Modified: trunk/include/vki/vki-linux.h
==============================================================================
--- trunk/include/vki/vki-linux.h (original)
+++ trunk/include/vki/vki-linux.h Wed Nov 23 13:15:22 2016
@@ -1865,6 +1865,7 @@
(struct cdrom_tochdr) */
#define VKI_CDROMREADTOCENTRY 0x5306 /* Read TOC entry
(struct cdrom_tocentry) */
+#define VKI_CDROMSTOP 0x5307 /* Stop the cdrom drive */
#define VKI_CDROMSUBCHNL 0x530b /* Read subchannel data
(struct cdrom_subchnl) */
#define VKI_CDROMREADMODE2 0x530c /* Read CDROM mode 2 data (2336 Bytes)
|