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* [Bug sanitizer/64820] New: Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled.
@ 2015-01-27 9:32 chefmax at gcc dot gnu.org
2015-01-27 9:43 ` [Bug sanitizer/64820] " y.gribov at samsung dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: chefmax at gcc dot gnu.org @ 2015-01-27 9:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
Bug ID: 64820
Summary: Libsanitizer fails with
((AddrIsAlignedByGranularity(addr + size))) != (0)"
(0x0, 0x0) if ssp is enabled.
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: chefmax at gcc dot gnu.org
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org,
ygribov at gcc dot gnu.org
Host: x86_64-pc-linux-gnu
Target: i386-linux-gnu, arm-linux-gnueabi
Created attachment 34589
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34589&action=edit
Simple reprocase
If compile with both -fsanitize=address and -fstack-protector for 32-bit
architectures and run with ASAN_OPTIONS=detect_stack_use_after_return=1,
libsanitizer fails with:
$ ~/install/master/bin/gcc -m32 -fsanitize=address -fstack-protector test.c
$ ASAN_OPTIONS=detect_stack_use_after_return=1 ./a.out
==7299==AddressSanitizer CHECK failed:
/home/max/workspace/downloads/gcc/libsanitizer/asan/asan_poisoning.cc:25
"((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0)
#0 0xf72d8afc in AsanCheckFailed
/home/max/workspace/downloads/gcc/libsanitizer/asan/asan_rtl.cc:68
#1 0xf72dda89 in __sanitizer::CheckFailed(char const*, int, char const*,
unsigned long long, unsigned long long)
/home/max/workspace/downloads/gcc/libsanitizer/sanitizer_common/sanitizer_common.cc:72
#2 0xf72d39b1 in __asan::PoisonShadow(unsigned long, unsigned long,
unsigned char)
/home/max/workspace/downloads/gcc/libsanitizer/asan/asan_poisoning.cc:25
#3 0xf7261e29 in __asan::SetShadow(unsigned long, unsigned long, unsigned
long, unsigned long long)
/home/max/workspace/downloads/gcc/libsanitizer/asan/asan_fake_stack.cc:32
#4 0xf7261e29 in __asan::OnMalloc(unsigned long, unsigned long, unsigned
long)
/home/max/workspace/downloads/gcc/libsanitizer/asan/asan_fake_stack.cc:198
#5 0xf7261e29 in __asan_stack_malloc_7
/home/max/workspace/downloads/gcc/libsanitizer/asan/asan_fake_stack.cc:230
#6 0x8048655 in foo (/tmp/a.out+0x8048655)
#7 0x8048707 in main (/tmp/a.out+0x8048707)
Simple reprocase is attached.
This happens because size parameter is not aligned by 8 bytes (Granularity)
here:
$~/install/master/bin/gcc -m32 -fsanitize=address-fstack-protector test.c -o-
-S
.......................................................
cmpl $0, __asan_option_detect_stack_use_after_return
je .L1
subl $8, %esp
pushl %eax
pushl $4188 // Aligned by 4 bytes.
call __asan_stack_malloc_7
addl $16, %esp
Perhaps we should emit some warning (error) in compile time to prevent the
issue?
$ ~/install/master/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/home/max/install/master/bin/gcc
COLLECT_LTO_WRAPPER=/home/max/install/master/libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /home/max/workspace/downloads/gcc/configure --enable-multilib
--enable-checking --target=x86_64-unknown-linux-gnu
--host=x86_64-unknown-linux-gnu --build=x86_64-unknown-linux-gnu
--prefix=/home/max/install/master --disable-bootstrap --enable-languages=c,c++
Thread model: posix
gcc version 5.0.0 20150127 (experimental) (GCC)
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug sanitizer/64820] Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled.
2015-01-27 9:32 [Bug sanitizer/64820] New: Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled chefmax at gcc dot gnu.org
@ 2015-01-27 9:43 ` y.gribov at samsung dot com
2015-03-16 11:18 ` chefmax at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: y.gribov at samsung dot com @ 2015-01-27 9:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
Yury Gribov <y.gribov at samsung dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |y.gribov at samsung dot com
--- Comment #1 from Yury Gribov <y.gribov at samsung dot com> ---
> Perhaps we should emit some warning (error) in compile time
> to prevent the issue?
Or fix SSP to respect ASan stack requirements.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug sanitizer/64820] Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled.
2015-01-27 9:32 [Bug sanitizer/64820] New: Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled chefmax at gcc dot gnu.org
2015-01-27 9:43 ` [Bug sanitizer/64820] " y.gribov at samsung dot com
@ 2015-03-16 11:18 ` chefmax at gcc dot gnu.org
2015-03-17 22:08 ` ramana at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: chefmax at gcc dot gnu.org @ 2015-03-16 11:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
--- Comment #2 from Maxim Ostapenko <chefmax at gcc dot gnu.org> ---
Author: chefmax
Date: Mon Mar 16 11:17:32 2015
New Revision: 221457
URL: https://gcc.gnu.org/viewcvs?rev=221457&root=gcc&view=rev
Log:
2015-03-16 Max Ostapenko <m.ostapenko@partner.samsung.com>
PR sanitizer/64820
gcc/
* cfgexpand.c (align_base): New function.
(alloc_stack_frame_space): Call it.
(expand_stack_vars): Align prev_frame to be sure
data->asan_vec elements aligned properly.
gcc/testsuite/
* c-c++-common/asan/pr64820.c: New test.
Added:
trunk/gcc/testsuite/c-c++-common/asan/pr64820.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgexpand.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug sanitizer/64820] Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled.
2015-01-27 9:32 [Bug sanitizer/64820] New: Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled chefmax at gcc dot gnu.org
2015-01-27 9:43 ` [Bug sanitizer/64820] " y.gribov at samsung dot com
2015-03-16 11:18 ` chefmax at gcc dot gnu.org
@ 2015-03-17 22:08 ` ramana at gcc dot gnu.org
2015-03-18 7:23 ` chefmax at gcc dot gnu.org
2015-03-18 7:43 ` chefmax at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ramana at gcc dot gnu.org @ 2015-03-17 22:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ramana at gcc dot gnu.org
--- Comment #3 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
Fixed ?
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug sanitizer/64820] Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled.
2015-01-27 9:32 [Bug sanitizer/64820] New: Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled chefmax at gcc dot gnu.org
` (2 preceding siblings ...)
2015-03-17 22:08 ` ramana at gcc dot gnu.org
@ 2015-03-18 7:23 ` chefmax at gcc dot gnu.org
2015-03-18 7:43 ` chefmax at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: chefmax at gcc dot gnu.org @ 2015-03-18 7:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
--- Comment #4 from Maxim Ostapenko <chefmax at gcc dot gnu.org> ---
Fixed by r22145.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug sanitizer/64820] Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled.
2015-01-27 9:32 [Bug sanitizer/64820] New: Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled chefmax at gcc dot gnu.org
` (3 preceding siblings ...)
2015-03-18 7:23 ` chefmax at gcc dot gnu.org
@ 2015-03-18 7:43 ` chefmax at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: chefmax at gcc dot gnu.org @ 2015-03-18 7:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
Maxim Ostapenko <chefmax at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Maxim Ostapenko <chefmax at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2015-01-27 9:32 [Bug sanitizer/64820] New: Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled chefmax at gcc dot gnu.org
2015-01-27 9:43 ` [Bug sanitizer/64820] " y.gribov at samsung dot com
2015-03-16 11:18 ` chefmax at gcc dot gnu.org
2015-03-17 22:08 ` ramana at gcc dot gnu.org
2015-03-18 7:23 ` chefmax at gcc dot gnu.org
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