Hi Pierre,
I have tested with your patch applied, and it still crashed badly.
I compiled the b449f4c version and I got a different backtrace from
GDB. I am still not sure about how the error occurs. I attached the
memory usage from various command line tools.
Regards,
Kevin Leung
GDB output
===========
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x756c7463
0x90018d0c in szone_realloc ()
(gdb) bt
#0 0x90018d0c in szone_realloc ()
#1 0x90018898 in realloc ()
#2 0x0001f8c8 in strbuf_grow (sb=0x75ef8, extra=0) at git-compat-util.h:223
#3 0x0001fc14 in read_line (sb=0x75ef8, fp=0xa0001b9c, term=10) at strbuf.c:107
#4 0x00002da8 in read_next_command () at fast-import.c:1599
#5 0x0000742c in cmd_new_commit () at fast-import.c:2118
#6 0x00007e80 in main (argc=1, argv=0xbffff828) at fast-import.c:2390
(gdb) frame 3
#3 0x0001fc14 in read_line (sb=0x75ef8, fp=0xa0001b9c, term=10) at strbuf.c:107
107 strbuf_grow(sb, 1);
(gdb) print *sb
$1 = {
alloc = 60,
len = 23,
eof = 0,
buf = 0x5020b0 "D windows/packages/cdc/ces/adm"
}
(gdb) frame 2
#2 0x0001f8c8 in strbuf_grow (sb=0x75ef8, extra=0) at git-compat-util.h:223
223 void *ret = realloc(ptr, size);
(gdb) print (char *) ptr
$2 = 0x5020b0 "D windows/packages/cdc/ces/adm"
(gdb) print (char *)ret
$3 = 0xd <Address 0xd out of bounds>
(gdb)
The output of `leaks'
=================
Process 27075: 88 nodes malloced for 2335 KB
Process 27075: 6 leaks for 624 total leaked bytes.
Leak: 0x005012b0 size=208 string 'EOT'
Leak: 0x00501e60 size=128 string 'EOT'
Leak: 0x00501c80 size=128 string 'EOT'
Leak: 0x00500f10 size=64 string 'EOT'
Leak: 0x00501fa0 size=64 string 'EOT'
Leak: 0x00501f60 size=32
0x00000000 0x02008000 0x00000000 0x01000000 ................
0x02000000 0x0000001a 0x00000000 0x00000000 ................
Below is the output of `malloc_history'
==============================
Deallocation of 5020b0 - no corresponding allocation
67 calls for 2874 bytes: thread_a000ed88 |0x0 | start | _start | main
| cmd_new_commit | read_next_command | read_line | strbuf_grow
12 calls for 2016 bytes: thread_a000ed88 |0x0 | start | _start | main
| prepare_packed_git | prepare_packed_git_one | add_packed_git
8 calls for 831 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | cmd_data | read_line | strbuf_grow
4 calls for 160 bytes: thread_a000ed88 |0x0 | start | _start |
__keymgr_dwarf2_register_sections | _dyld_register_func_for_add_image
| dyld::registerAddCallback(void (*)(mach_header const*, long)) |
ImageLoader::runNotification(ImageLoader::LinkContext const&,
unsigned) | ImageLoader::recursiveImageNotification(ImageLoader::LinkContext
const&, unsigned) | dyld::imageNotification(ImageLoader*, unsigned) |
dwarf2_unwind_dyld_add_image_hook
3 calls for 1976 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set | load_tree |
read_sha1_file | read_packed_sha1 | unpack_entry | unpack_entry |
patch_delta
3 calls for 84 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set | load_tree |
read_sha1_file | read_packed_sha1 | unpack_entry |
unpack_object_header | use_pack
2 calls for 1200 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | patch_delta
2 calls for 1200 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
patch_delta
2 calls for 1200 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | patch_delta
2 calls for 80 bytes: thread_a000ed88 |0x0 | start | _start |
__keymgr_dwarf2_register_sections | _dyld_register_func_for_add_image
| dyld::registerAddCallback(void (*)(mach_header const*, long)) |
ImageLoader::runNotification(ImageLoader::LinkContext const&,
unsigned) | ImageLoader::recursiveImageNotification(ImageLoader::LinkContext
const&, unsigned) | dyld::imageNotification(ImageLoader*, unsigned) |
dwarf2_unwind_dyld_add_image_hook
2 calls for 56 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_object_header | use_pack
1 calls for 2097152 bytes: thread_a000ed88 |0x0 | start | _start |
main | pool_calloc | pool_alloc
1 calls for 160012 bytes: thread_a000ed88 |0x0 | start | _start | main
| alloc_objects
1 calls for 52000 bytes: thread_a000ed88 |0x0 | start | _start | main
| cmd_new_commit | load_tree | new_tree_entry
1 calls for 17804 bytes: thread_a000ed88 |0x0 | start | _start | main
1 calls for 8192 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | cmd_data
1 calls for 4156 bytes: thread_a000ed88 |0x0 | start | _start | main
1 calls for 4096 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | store_tree | store_tree | store_tree | mktree |
size_dbuf
1 calls for 4096 bytes: thread_a000ed88 |0x0 | start | _start | main |
read_next_command | read_line | fgetc | __srget | __srefill |
__smakebuf
1 calls for 3072 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | store_tree | store_tree | store_tree | mktree |
size_dbuf
1 calls for 2048 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | size_dbuf
1 calls for 1149 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set | load_tree |
read_sha1_file | read_packed_sha1 | unpack_entry | unpack_entry |
unpack_entry | patch_delta
1 calls for 1149 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set | load_tree |
read_sha1_file | read_packed_sha1 | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_compressed_entry
1 calls for 1032 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_entry | unpack_compressed_entry
1 calls for 822 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set |
tree_content_set | load_tree | read_sha1_file | read_packed_sha1 |
unpack_entry | unpack_entry | unpack_compressed_entry
1 calls for 522 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry |
unpack_compressed_entry
1 calls for 436 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set |
tree_content_set | tree_content_set | tree_content_set |
tree_content_set | load_tree | read_sha1_file | read_packed_sha1 |
unpack_entry | unpack_entry | unpack_compressed_entry
1 calls for 400 bytes: thread_a000ed88 |0x0 | start | _start | main
1 calls for 285 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set |
tree_content_set | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry |
unpack_compressed_entry
1 calls for 258 bytes: thread_a000ed88 |0x0 | start | _start | main |
start_packfile | mkstemp | arc4random
1 calls for 212 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set |
tree_content_set | tree_content_set | tree_content_set | load_tree |
read_sha1_file | read_packed_sha1 | unpack_entry | unpack_entry |
unpack_compressed_entry
1 calls for 168 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_entry | patch_delta
1 calls for 168 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | patch_delta
1 calls for 168 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | patch_delta
1 calls for 168 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_entry | unpack_compressed_entry
1 calls for 168 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | load_tree | read_sha1_file |
read_packed_sha1 | unpack_entry | unpack_entry | unpack_entry |
unpack_entry | unpack_entry | unpack_entry | unpack_entry |
patch_delta
1 calls for 129 bytes: thread_a000ed88 |0x0 | start | _start | main |
start_packfile
1 calls for 122 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set | load_tree |
read_sha1_file | read_packed_sha1 | unpack_entry | unpack_entry |
unpack_compressed_entry
1 calls for 64 bytes: thread_a000ed88 |0x0 | start | _start | main |
git_config | git_path | get_git_dir | setup_git_env | sprintf$LDBL128
| __vfprintf$LDBL128 | localeconv_l
1 calls for 61 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | parse_ident
1 calls for 60 bytes: thread_a000ed88 |0x0 | start | _start |
__keymgr_dwarf2_register_sections | _dyld_register_func_for_add_image
| dyld::registerAddCallback(void (*)(mach_header const*, long)) |
ImageLoader::runNotification(ImageLoader::LinkContext const&,
unsigned) | dyld::imageNotification(ImageLoader*, unsigned) |
dwarf2_unwind_dyld_add_image_hook |
_keymgr_get_and_lock_processwide_ptr_2 | get_or_create_key_element
1 calls for 52 bytes: thread_a000ed88 |0x0 | start | _start | main |
git_config | git_path | get_git_dir | setup_git_env | strdup
1 calls for 48 bytes: thread_a000ed88 |0x0 | start | _start | main |
git_config | git_path | get_git_dir | setup_git_env
1 calls for 46 bytes: thread_a000ed88 |0x0 | start | _start | main |
git_config | git_path | get_git_dir | setup_git_env
1 calls for 45 bytes: thread_a000ed88 |0x0 | start | _start | main |
git_config | git_path | get_git_dir | setup_git_env
1 calls for 40 bytes: thread_a000ed88 |0x0 | start | _start |
__keymgr_dwarf2_register_sections | _dyld_register_func_for_add_image
| dyld::registerAddCallback(void (*)(mach_header const*, long)) |
ImageLoader::runNotification(ImageLoader::LinkContext const&,
unsigned) | dyld::imageNotification(ImageLoader*, unsigned) |
dwarf2_unwind_dyld_add_image_hook
1 calls for 40 bytes: thread_a000ed88 |0x0 | start | _start |
__keymgr_dwarf2_register_sections | _dyld_register_func_for_add_image
| dyld::registerAddCallback(void (*)(mach_header const*, long)) |
ImageLoader::runNotification(ImageLoader::LinkContext const&,
unsigned) | ImageLoader::recursiveImageNotification(ImageLoader::LinkContext
const&, unsigned) | dyld::imageNotification(ImageLoader*, unsigned) |
dwarf2_unwind_dyld_add_image_hook
1 calls for 28 bytes: thread_a000ed88 |0x0 | start | _start | main |
cmd_new_commit | tree_content_set | tree_content_set |
tree_content_set | tree_content_set | tree_content_set |
tree_content_set | load_tree | read_sha1_file | read_packed_sha1 |
unpack_entry | unpack_object_header | use_pack
1 calls for 18 bytes: thread_a000ed88 |0x0 | start | _start |
__keymgr_dwarf2_register_sections | _dyld_register_func_for_add_image
| dyld::registerAddCallback(void (*)(mach_header const*, long)) |
ImageLoader::runNotification(ImageLoader::LinkContext const&,
unsigned) | dyld::imageNotification(ImageLoader*, unsigned) |
dwarf2_unwind_dyld_add_image_hook | calloc
1 calls for 4 bytes: thread_a000ed88 |0x0 | start | _start | main |
start_packfile
Output of `vmmap'
===============
Virtual Memory Map of process 27270 (git-fast-import)
Output report format: 2.0
==== Non-writable regions for process 27270
__PAGEZERO 00000000-00001000 [ 4K] ---/--- SM=NUL
/Users/developer/bin/git-fast-import
__TEXT 00001000-00034000 [ 204K] r-x/rwx SM=COW
/Users/developer/bin/git-fast-import
__LINKEDIT 00080000-000f3000 [ 460K] r--/rwx SM=COW
/Users/developer/bin/git-fast-import
mapped file 000f7000-000f8000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-b7cda23e237f38b466d2f7b54f665a7d0c8a32ed.idx
mapped file 000f8000-000f9000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-5f301a4b08a7f7d44b288f2a96d33f3c3efbf7fb.idx
mapped file 000f9000-000fa000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-ee6298d97a1154422169e66d6655071a49cb8686.idx
__TEXT 00205000-00216000 [ 68K] r-x/rwx SM=COW
/opt/local/lib/libz.1.dylib
__LINKEDIT 00217000-00219000 [ 8K] r--/rwx SM=COW
/opt/local/lib/libz.1.dylib
__TEXT 00219000-00313000 [ 1000K] r-x/rwx SM=COW
/opt/local/lib/libiconv.2.dylib
__LINKEDIT 00314000-0031e000 [ 40K] r--/rwx SM=COW
/opt/local/lib/libiconv.2.dylib
__TEXT 0031e000-00421000 [ 1036K] r-x/rwx SM=COW
/opt/local/lib/libcrypto.0.9.8.dylib
__LINKEDIT 00438000-0048d000 [ 340K] r--/rwx SM=COW
/opt/local/lib/libcrypto.0.9.8.dylib
__TEXT 0048d000-004c8000 [ 236K] r-x/rwx SM=COW
/opt/local/lib/libssl.0.9.8.dylib
__LINKEDIT 004cc000-004dd000 [ 68K] r--/rwx SM=COW
/opt/local/lib/libssl.0.9.8.dylib
mapped file 004dd000-004df000 [ 8K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-5f301a4b08a7f7d44b288f2a96d33f3c3efbf7fb.pack
mapped file 004ec000-004ed000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-ea2fe30b68a19c9cd6a4bf1dd345377b4dd77df0.idx
mapped file 004ed000-004ee000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-97e365a44e20cb37576362c81afdaa879a871a10.idx
mapped file 004ee000-004ef000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-f1bcc0635a35caff73d8ccac60ec6656f0527a10.idx
mapped file 004ef000-004f0000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-f1bcc0635a35caff73d8ccac60ec6656f0527a10.pack
mapped file 004f0000-004f1000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-60dd3fcceddf3eacbe2279ef191f87668b97fb57.idx
mapped file 004f1000-004f2000 [ 4K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-8a733b7ccad3eb85b4286a011eccdff20441d9e4.idx
mapped file 004f2000-004f7000 [ 20K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-8acbc2151777eb8a2093e5229897d5711dab175b.idx
mapped file 004f7000-004fa000 [ 12K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-3d264397b577400c2277f1b89f2065e0cc9846e3.idx
mapped file 004fa000-004fc000 [ 8K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-010e1c06a07ef38c31f8e01782eeda433b007709.idx
mapped file 004fc000-00500000 [ 16K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-ea2fe30b68a19c9cd6a4bf1dd345377b4dd77df0.pack
mapped file 006ad000-006e4000 [ 220K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-3294c669f264ef7a21e2280bfd934e7459140022.idx
mapped file 01208000-01363000 [ 1388K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-8acbc2151777eb8a2093e5229897d5711dab175b.pack
mapped file 01363000-0146c000 [ 1060K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-010e1c06a07ef38c31f8e01782eeda433b007709.pack
mapped file 02008000-052fe000 [52184K] r--/rwx SM=COW
/Volumes/data/kevin/test_gitp4/cdc/.git/objects/pack/pack-3294c669f264ef7a21e2280bfd934e7459140022.pack
__TEXT 8fe00000-8fe01000 [ 4K] r-x/rwx SM=COW /usr/lib/dyld
__TEXT 8fe01000-8fe02000 [ 4K] r-x/rwx SM=COW /usr/lib/dyld
__TEXT 8fe02000-8fe53000 [ 324K] r-x/rwx SM=COW /usr/lib/dyld
__LINKEDIT 8fe5d000-8fe71000 [ 80K] r--/rwx SM=COW /usr/lib/dyld
__TEXT 90000000-901bd000 [ 1780K] r-x/r-x SM=COW
/usr/lib/libSystem.B.dylib
__LINKEDIT 901bd000-90214000 [ 348K] r--/r-- SM=COW
/usr/lib/libSystem.B.dylib
__TEXT 90214000-9021a000 [ 24K] r-x/r-x SM=COW
/usr/lib/system/libmathCommon.A.dylib
__LINKEDIT 9021a000-9021b000 [ 4K] r--/r-- SM=COW
/usr/lib/system/libmathCommon.A.dylib
__TEXT 91433000-9143f000 [ 48K] r-x/r-x SM=COW
/usr/lib/libgcc_s.1.dylib
__LINKEDIT 9143f000-91443000 [ 16K] r--/r-- SM=COW
/usr/lib/libgcc_s.1.dylib
__DATA a0214000-a0215000 [ 4K] r--/r-- SM=COW
/usr/lib/system/libmathCommon.A.dylib
STACK GUARD fffec000-ffff0000 [ 16K] ---/rwx SM=NUL
system ffff8000-ffffa000 [ 8K] r--/r-- SM=SHM
commpage [libSystem.B.dylib]
==== Writable regions for process 27270
__DATA 00034000-00035000 [ 4K] rw-/rwx SM=COW
/Users/developer/bin/git-fast-import
__DATA 00035000-00080000 [ 300K] rw-/rwx SM=PRV
/Users/developer/bin/git-fast-import
VM_ALLOCATE ? 000fa000-000fb000 [ 4K] rw-/rwx SM=NUL
MALLOC_LARGE 000fb000-00100000 [ 20K] rw-/rwx SM=PRV
DefaultMallocZone_0x500000
MALLOC_TINY (freed?) 00100000-00102000 [ 8K] rw-/rwx SM=COW
MALLOC_TINY (freed?) 00102000-00205000 [ 1036K] rw-/rwx SM=ZER
__DATA 00216000-00217000 [ 4K] rw-/rwx SM=COW
/opt/local/lib/libz.1.dylib
__DATA 00313000-00314000 [ 4K] rw-/rwx SM=COW
/opt/local/lib/libiconv.2.dylib
__DATA 00421000-00435000 [ 80K] rw-/rwx SM=COW
/opt/local/lib/libcrypto.0.9.8.dylib
__DATA 00435000-00438000 [ 12K] rw-/rwx SM=NUL
/opt/local/lib/libcrypto.0.9.8.dylib
__DATA 004c8000-004cc000 [ 16K] rw-/rwx SM=COW
/opt/local/lib/libssl.0.9.8.dylib
MALLOC_LARGE 004df000-004ec000 [ 52K] rw-/rwx SM=PRV
DefaultMallocZone_0x500000
MALLOC_TINY 00500000-00605000 [ 1044K] rw-/rwx SM=COW
DefaultMallocZone_0x500000
Performance tool data 00605000-00685000 [ 512K] rw-/rwx SM=COW
MALLOC_LARGE 00685000-006ad000 [ 160K] rw-/rwx SM=PRV
DefaultMallocZone_0x500000
Performance tool data 006e4000-006ed000 [ 36K] rw-/rwx SM=COW
MALLOC (freed?) 00800000-01008000 [ 8224K] rw-/rwx SM=PRV
MALLOC_LARGE 01008000-01208000 [ 2048K] rw-/rwx SM=PRV
DefaultMallocZone_0x500000
MALLOC 01800000-02008000 [ 8224K] rw-/rwx SM=COW
DefaultMallocZone_0x500000
__DATA 8fe53000-8fe54000 [ 4K] rw-/rwx SM=COW /usr/lib/dyld
__DATA 8fe54000-8fe5a000 [ 24K] rw-/rwx SM=COW /usr/lib/dyld
__DATA 8fe5a000-8fe5d000 [ 12K] rw-/rwx SM=PRV /usr/lib/dyld
__DATA a0000000-a0002000 [ 8K] rw-/rw- SM=COW
/usr/lib/libSystem.B.dylib
__DATA a0002000-a0003000 [ 4K] rw-/rw- SM=COW
/usr/lib/libSystem.B.dylib
__DATA a0003000-a0004000 [ 4K] rw-/rw- SM=COW
/usr/lib/libSystem.B.dylib
__DATA a0004000-a0005000 [ 4K] rw-/rw- SM=COW
/usr/lib/libSystem.B.dylib
__DATA a0005000-a000b000 [ 24K] rw-/rw- SM=COW
/usr/lib/libSystem.B.dylib
__DATA a000b000-a0010000 [ 20K] rw-/rw- SM=ZER
/usr/lib/libSystem.B.dylib
__DATA a0010000-a0011000 [ 4K] rw-/rw- SM=COW
/usr/lib/libSystem.B.dylib
__DATA a0011000-a0012000 [ 4K] rw-/rw- SM=ZER
/usr/lib/libSystem.B.dylib
__DATA a1433000-a1434000 [ 4K] rw-/rw- SM=COW
/usr/lib/libgcc_s.1.dylib
Stack bf800000-bffff000 [ 8188K] rw-/rwx SM=PRV
Stack bffff000-c0000000 [ 4K] rw-/rwx SM=COW thread 0
==== Legend
SM=sharing mode:
COW=copy_on_write PRV=private NUL=empty ALI=aliased
SHM=shared ZER=zero_filled S/A=shared_alias
==== Summary for process 27270
ReadOnly portion of Libraries: Total=6092KB resident=2944KB(48%)
swapped_out_or_unallocated=3148KB(52%)
Writable regions: Total=30036KB written=504KB(2%) resident=968KB(3%)
swapped_out=0KB(0%) unallocated=29068KB(97%)
REGION TYPE [ VIRTUAL]
=========== [ =======]
MALLOC [ 20816K]
Performance tool data [ 548K]
STACK GUARD [ 16K]
Stack [ 8192K]
VM_ALLOCATE ? [ 4K]
__DATA [ 540K]
__LINKEDIT [ 1364K]
__PAGEZERO [ 4K]
__TEXT [ 4728K]
mapped file [ 54952K]
system [ 8K]
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