Bug #73282 [NEW]: Endless loop in SHA3-224
From: rainer dot jung at kippdata dot de
Operating system: Solaris 10 Sparc
PHP version: 7.1.0RC3
Package: hash related
Bug Type: Bug
Bug description:Endless loop in SHA3-224
Description:
------------
Tests sha3 and hash_copy_001 do not terminate. They run in an endless
loop consuming CPU. Stacks:
#0 0xfed08a00 in PHP_SHA3_Final (digest=<optimized out>,
digest_size=28, block_size=144, ctx=0xfe45f700)
at /some/path/ext/hash/hash_sha3.c:179
No locals.
#1 PHP_SHA3224Final (digest=0xfe456250 "", ctx=0xfe45f700) at
/some/path/ext/hash/hash_sha3.c:224
No locals.
#2 0xfecf2d50 in php_hash_do_hash (isfilename=<optimized out>,
raw_output_default=<optimized out>,
return_value=<error reading variable: Unhandled dwarf expression
opcode 0xfa>, return_value=<error reading variable: Unhandled dwarf
expression opcode 0xfa>,
execute_data=<error reading variable: Unhandled dwarf expression
opcode 0xfa>) at /some/path/ext/hash/hash.c:160
algo = 0xfe455530 "sha3-224"
data = 0x3cff8 ""
algo_len = 8
data_len = 0
raw_output = 0 '\000'
ops = 0xff0744a4
context = 0xfe45f700
stream = <optimized out>
#3 0xfeea086c in ZEND_DO_ICALL_SPEC_RETVAL_USED_HANDLER
(execute_data=0xfe414020)
at /some/path/Zend/zend_vm_execute.h:675
opline = 0xfe475380
call = 0xfe414110
fbc = <optimized out>
ret = <optimized out>
#4 0xfee8a240 in execute_ex (ex=<optimized out>) at
/some/path/Zend/zend_vm_execute.h:432
ret = <optimized out>
execute_data = 0xfe414020
#5 0xfeefaadc in zend_execute (op_array=0xfe461080,
return_value=<optimized out>)
at /some/path/Zend/zend_vm_execute.h:474
No locals.
with
(gdb) print *ctx
$1 = {state = "\006", '\000' <repeats 142 times>, "\200",
'\000'
<repeats 55 times>, pos = 1}
(gdb) print &(ctx->state[block_size-1])
$2 = (unsigned char *) 0xfe45f78f "\200"
and
#0 0xfed08a00 in PHP_SHA3_Final (digest=<optimized out>,
digest_size=28, block_size=144, ctx=0xfe45f1c0)
at /some/path/ext/hash/hash_sha3.c:179
No locals.
#1 PHP_SHA3224Final (digest=0xfe456250
"âW=\016?l>-\027L\223Z5ââ1\003/\004ââ4\231â<âh",
ctx=0xfe45f1c0)
at /some/path/ext/hash/hash_sha3.c:224
No locals.
#2 0xfecf2958 in zif_hash_final (execute_data=0xfe414260,
return_value=0xfe414120) at /some/path/ext/hash/hash.c:510
zhash = 0xfe414290
hash = 0xfe46a060
raw_output = 0 '\000'
digest_len = 28
#3 0xfeea086c in ZEND_DO_ICALL_SPEC_RETVAL_USED_HANDLER
(execute_data=0xfe414020)
at /some/path/Zend/zend_vm_execute.h:675
opline = 0xfe477284
call = 0xfe414260
fbc = <optimized out>
ret = <optimized out>
with
(gdb) print *ctx
$1 = {state = "I can't remember anything\006", '\000' <repeats 117
times>, "\200", '\000' <repeats 55 times>, pos = 26}
(gdb) print &(ctx->state[block_size-1])
$2 = (unsigned char *) 0xfe45f24f "\200"
--
Edit bug report at https://bugs.php.net/bug.php?id=73282&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73282&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73282&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73282&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=73282&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=73282&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=73282&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=73282&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=73282&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=73282&r=support
Expected behavior: https://bugs.php.net/fix.php?id=73282&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=73282&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=73282&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=73282&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73282&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=73282&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=73282&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=73282&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=73282&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=73282&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=73282&r=mysqlcfg
Thread (6 messages)
- rainer dot jung at kippdata dot de