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e79dbe1124bc5e556ab87ce6a4bfa3826108a2fa
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844 Commits

Author SHA1 Message Date
Dmitry Stogov
e79dbe1124 JIT: Fix crash during compilation of function with incompletely constructed SSA 
Fixes oss-fuzz #42200
 2021-12-13 11:49:51 +03:00
Dmitry Stogov
6f42c073cf Remove range inference for booleans. 
Range inference for bolleans and longs comparison was incorrect.

Fizes oss-fuzz #fuzz-42161.php
 2021-12-10 14:32:47 +03:00
Dmitry Stogov
0ac3d78d7d Fix incorrect JMP optimization 
Fixes oss-fuzz #42155
 2021-12-10 01:39:28 +03:00
Dmitry Stogov
7b629afe4e Fixed incorrect DCE of a constructor call 
Fixez oss-fuzz #42049
 2021-12-06 15:59:30 +03:00
Dmitry Stogov
c29f6baaee JIT: Fix incorrect elimination of type store 
Fixes oss-fuzz #41995
 2021-12-06 14:22:07 +03:00
Dmitry Stogov
aa7280264e Fix refcount inferemce ($a += $a returns old array with RCN) 
Fixes oss-fuzz #41670
 2021-12-06 11:30:03 +03:00
Dmitry Stogov
2515e788bc JIT: Fix register clobbering 
Fixes oss-fuzz #41621
 2021-12-03 11:13:50 +03:00
Dmitry Stogov
2fde308fc6 JIT: Fix ASSIGN_DIM_OP with undefined variable and index and user error handler, throwing an exception 
Fixes oss-fuzz #39422
 2021-12-02 22:19:48 +03:00
Dmitry Stogov
e7b31f57ec JIT: Fix incorrect code produced for BOOL_NOT and [double, undef] operand 
Fixes oss-fuzz #41531
 2021-11-30 20:36:52 +03:00
Dmitry Stogov
c1036194d6 JIT: Fix incorrect reference counting inference 
Fixes oss-fuzz #40747
 2021-11-30 12:58:54 +03:00
Dmitry Stogov
6e1fe96962 JIT: Fix uninitialized result of ASSIGN_DIM[_OP] after clobbering array by user error handler 
Fixes oss-fuzz #41208
 2021-11-30 11:40:18 +03:00
Dmitry Stogov
86430e8e01 Fixed type inference (it's safe to ignore reference counting narrowing) 2021-11-29 23:32:52 +03:00
Dmitry Stogov
aff115547f JIT: Fix exception handling when next array element is already occupied 
Fixes oss-fuzz #41408
 2021-11-29 21:44:00 +03:00
Dmitry Stogov
8f4cfe04eb JIT: Fix named arguments handling 
Fixes oss-fuzz #41486
 2021-11-29 18:37:49 +03:00
Dmitry Stogov
49f44e7ffc JIT: Fixed use-after-free caused by shift by negative number 
Fixes oss-fuzz #41192
 2021-11-25 22:21:44 +03:00
Dmitry Stogov
f9518c3850 Fixed incorrect narrowing to double 
Fixes oss-fuzz #41223
 2021-11-25 15:14:04 +03:00
Dmitry Stogov
3c53a9fd73 Fixed incorrect refcountion inference for BW_NOT 
BW_NOT for emtpy string returns empty string

Fixes oss-fuzz #41280
 2021-11-25 13:51:56 +03:00
Dmitry Stogov
f302430c72 Fixed incorrect DCE for ADD_ARRAY_ELEMENT instruction 
DCE might remove INIT_ARRAY instruction but then keep the related
ADD_ARRAY_ELEMENT, becuse its both operands need to be freed.

Fixes oss-fuzz #41309
 2021-11-25 13:33:26 +03:00
Dmitry Stogov
fac78ee760 JIT: Fixed memory leak 2021-11-17 13:59:35 +03:00
Dmitry Stogov
48a65fef6f JIT: Fixed memory lieak 2021-11-17 12:48:56 +03:00
Dmitry Stogov
fc35a6b93c Tracing JIT: Fixed abstract stack consistency for [QM_]ASSIGN of CV to itself 2021-11-15 23:25:16 +03:00
Dmitry Stogov
292d76d8a4 JIT: Fixed reference-counting inference 2021-11-15 10:39:58 +03:00
Dmitry Stogov
64fde17042 Fixed test 2021-11-12 22:48:50 +03:00
Dmitry Stogov
12d02e6227 Fixed incorrect guard elimination 2021-11-12 21:00:08 +03:00
Dmitry Stogov
64915775a7 JIT: Fixed incorrect MOD into BW_AND optimization 2021-11-10 21:14:41 +03:00
Dmitry Stogov
3081423706 Tracing JIT: Fixed register allocation 
In case of side exit on ADD/SUB/MUL overflow source registers must be kept unchanged
 2021-11-10 20:04:25 +03:00
Dmitry Stogov
3dba5566ce Tracing JIT: Fixed incorrect assumption about in-memeory zval type 2021-11-10 16:46:09 +03:00
Dmitry Stogov
45683703f1 JIT: Fixed memory leak 2021-11-10 12:49:20 +03:00
Dmitry Stogov
203c1b807e Tracing JIT: Fixed incorrect tracing type inference 
There are some cases when IS_VAR/IS_TMP_VAR variables are set to IS_UNDEF.
TODO: It would be better to switch to IS_NULL in master.
 2021-11-10 11:10:44 +03:00
Dmitry Stogov
535a0553e8 Fixed incorrect reference counter inference 2021-11-08 20:54:17 +03:00
Dmitry Stogov
8fe808207f JIT: Fixed incorrect guard elimination 2021-11-08 20:08:39 +03:00
Dmitry Stogov
7bf63243e1 JIT: Fixed incorrect guard elimination 2021-11-08 12:28:36 +03:00
Dmitry Stogov
34d22acc7e Tracing JIT: Fixed incorrect guard elimination 2021-11-03 23:37:00 +03:00
Dmitry Stogov
66d93c63ff Fixed type inference for FETCH_DIM_W without use 2021-11-03 19:44:38 +03:00
Dmitry Stogov
2605911272 Tracing JIT: Fixed reference counting when escape because of IS_UNDEF element (test) 2021-11-01 22:19:10 +03:00
Dmitry Stogov
5c43e0c0ee Fixed incorrect assumption about reference counting 2021-11-01 20:28:05 +03:00
Dmitry Stogov
f1e6a7d83d JIT: Fixed numeric string index handling 2021-11-01 18:50:32 +03:00
Dmitry Stogov
cd32b47235 JIT: Fixed register allocation in case of integer overflow 2021-11-01 16:46:41 +03:00
Nikita Popov
f8ec5a1d4c Fix range inference hang 
We shouldn't switch from range to no range for ZEND_DIV and instead
explicitly return an overflowing range. Otherwise the range will
not actually get updated during widening, and we'll perform
essentially infinite narrowing.

Fixes oss-fuzz #40566.
 2021-11-01 12:31:34 +01:00
Dmitry Stogov
d3251632ad Tracing JIT: Fixed incorrect assumption about in-memeory zval type 2021-10-22 14:38:38 +03:00
Dmitry Stogov
c7e974fc4e Tracing JIT: Fixed incorrect assumtion about temporary variable types clobbered by *_ROPE instructions 2021-10-21 21:35:57 +03:00
Dmitry Stogov
95c0dfc57f JIT: Fixed megamorphic call detection 2021-10-20 22:16:25 +03:00
Dmitry Stogov
38626dbaad JIT: Fixed memory leak 2021-10-20 10:38:47 +03:00
Dmitry Stogov
6bd5271c62 Fixed incorrect optimization that may cause JIT assertion 2021-10-18 23:18:52 +03:00
Dmitry Stogov
d3063c02c6 Tracing JIT: Fixed memory leak 2021-10-18 22:14:53 +03:00
Dmitry Stogov
e59d0a7151 JIT: Fixed DASM_S_RANGE_VREG error 2021-10-18 17:58:42 +03:00
Dmitry Stogov
13d1244575 Tracing JIT: Fixed ADD with two references to arrays 2021-10-18 17:26:36 +03:00
Dmitry Stogov
6021e72143 Tracinf JIT: Prevnt generation code for instruction that with cyclic dependency 
e.g. $a[] += $a is compiled into ASSIGN_DIM_OP+OP_DATA, where OP_DATA.op1_use depends on ASSIGN_DIM_OP.op1_def
 2021-10-18 16:53:45 +03:00
Dmitry Stogov
a4c41d45cd Fixed type inference for COPY_TMP 2021-10-11 16:56:07 +03:00
Dmitry Stogov
ccdda69a18 JIT: Fixed usage of incorrect specialized zval destructor 2021-10-11 13:00:23 +03:00