Hello all.
I try using ASan for debug jvm.
All .so library in jvm instrumented with ASan.
But, I have some error here:
LD_PRELOAD=/usr/lib/libclang_rt.asan-x86_64.so
LD_LIBRARY_PATH=./dist/jdk_7/debug/open/jdk/jre/lib/amd64/drlvm/
./dist/jdk_7/debug/open/jdk/jre/bin/java -XX:-UseG1GC -version
=================================================================
==24418==ERROR: AddressSanitizer: unknown-crash on address 0x0000dfff8000
at pc 0x7f6c2e9ab3d9 bp 0x7f6c28773960 sp 0x7f6c28773110
WRITE of size 4194304 at 0x0000dfff8000 thread T1
#0 0x7f6c2e9ab3d8 in __asan_memset
/home/dbezheckov/waratek/tests/asan/sources/llvm/projects/compiler-rt/lib/asan/asan_interceptors.cc:431
#1 0x7f6c12fbd7d5 in lspace_initialize(GC*, void*, unsigned long)
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/gc_gen/src/los/lspace.cpp:44:5
#2 0x7f6c12f9fc8c in gc_los_initialize(GC_Gen*, void*, unsigned long)
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/gc_gen/src/gen/gen.cpp:476:24
#3 0x7f6c12f9f63f in gc_gen_initialize(GC_Gen*, unsigned long, unsigned
long)
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/gc_gen/src/gen/gen.cpp:313:5
#4 0x7f6c12f848eb in gc_init
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/gc_gen/src/common/gc_for_vm.cpp:104:5
#5 0x7f6c29cc9623 in vm_init1(JavaVM_Internal*, JavaVMInitArgs*,
JNIEnv_External**)
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/vmcore/src/init/vm_init.cpp:796:14
#6 0x7f6c29b27f2c in JNI_CreateJavaVM
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/vmcore/src/jni/jni.cpp:436:19
#7 0x7f6c29b286b4 in CVMI_CreateJavaVM
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/vmcore/src/jni/jni.cpp:526:12
#8 0x7f6c2abd0634 in JNI_CreateJavaVM
/home/dbezheckov/waratek/harmony-custom/drlvm/vm/openjdk/src/openjdk.cpp:90:12
#9 0x7f6c2e6fdb47
(/home/dbezheckov/waratek/harmony-custom/dist/jdk_7/debug/open/jdk/jre/bin/../lib/amd64/jli/libjli.so+0x2b47)
#10 0x7f6c2df1c181 in start_thread
/build/buildd/eglibc-2.19/nptl/pthread_create.c:312
#11 0x7f6c2e43047c in clone
/build/buildd/eglibc-2.19/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:111
code for lspace_initialize(GC*, void*, unsigned long):
Lspace *lspace_initialize( GC *gc, void *start, uintptr_t lspace_size ) {
Lspace *lspace = (Lspace *)STD_MALLOC( sizeof( Lspace ) );
assert( lspace );
memset( lspace, 0, sizeof( Lspace ) );
/* commit mspace mem */
void *reserved_base = start;
uintptr_t committed_size = lspace_size;
if( !large_page_hint )
{
TRACE2( "gc.initialize", "lspace_initialize() ptr=" << (uintptr_t)
reserved_base
<< " size=" << lspace_size );
vm_commit_mem( reserved_base, lspace_size );
}
memset( reserved_base, 0, lspace_size );
min_los_size_bytes -= LOS_HEAD_RESERVE_FOR_HEAP_BASE;
lspace->committed_heap_size = committed_size -
LOS_HEAD_RESERVE_FOR_HEAP_BASE;
lspace->reserved_heap_size = gc->reserved_heap_size -
min_none_los_size_bytes - LOS_HEAD_RESERVE_FOR_HEAP_BASE;
lspace->heap_start = (void *)( (uintptr_t)reserved_base +
LOS_HEAD_RESERVE_FOR_HEAP_BASE );
lspace->heap_end = (void *)( (uintptr_t)reserved_base + committed_size );
lspace->gc = gc;
/*LOS_Shrink:*/
lspace->move_object = 0;
/*Treat with free area buddies*/
lspace->free_pool = (Free_Area_Pool *)STD_MALLOC( sizeof( Free_Area_Pool )
);
free_area_pool_init( lspace->free_pool );
Free_Area *initial_fa = (Free_Area *)lspace->heap_start;
initial_fa->size = lspace->committed_heap_size;
free_pool_add_area( lspace->free_pool, initial_fa );
lspace->num_collections = 0;
lspace->time_collections = 0;
lspace->survive_ratio = 0.5f;
lspace->last_allocated_size = 0;
lspace->accumu_alloced_size = 0;
lspace->total_alloced_size = 0;
lspace->last_surviving_size = 0;
lspace->period_surviving_size = 0;
p_global_lspace_move_obj = &( lspace->move_object );
los_boundary = lspace->heap_end;
return lspace;
}
please help.
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