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2020-06-05Squashed commit of the following:Yukihiro "Matz" Matsumoto
commit 2d7d545c4c4bfce7fdcbcbe9baaeb437915742f0 Merge: 625a1249 b178914b Author: Yukihiro "Matz" Matsumoto <[email protected]> Date: Fri Jun 5 14:35:13 2020 +0900 Merge branch 'fix-mrb_open-with-nomem' of https://github.com/dearblue/mruby into dearblue-fix-mrb_open-with-nomem commit b178914b111dda79a8f36ec4eb3e9d37b76f982e Author: dearblue <[email protected]> Date: Sat Jan 19 22:22:44 2019 +0900 Fix invalid pointer free inside other heap's block 1. `e = mrb_obj_alloc(...)` 2. `e->stack = mrb->c->stack` (`mrb->c->stack` is anywhere in the range `stbase...stend`) 3. And raised exception by `mrb_malloc()`! 4. `mrb_free(e->stack)` by GC part (wrong free) commit 52e3d5d8585daf86af3ed12db5ab0efefbc9b956 Author: dearblue <[email protected]> Date: Sat Jan 19 21:55:36 2019 +0900 Fix memory leak for temporary symbols when out of memory commit 4c5499b88e47cc6012ad7d7379cb6bc74c6a0b60 Author: dearblue <[email protected]> Date: Sun Jan 20 11:42:07 2019 +0900 Fix uninitialized pointer dereference for debug section commit 8e993167dec62a9709d6faacd517729ddcedf4f9 Author: dearblue <[email protected]> Date: Sun Jan 20 11:41:09 2019 +0900 Fix memory leak for temporary filenames when out of memory commit 8b422577e6eae68a28121b88421d937e8707b487 Author: dearblue <[email protected]> Date: Sun Jan 20 10:57:51 2019 +0900 Fix memory leak for irep when out of memory commit 6b35ebf49a0aa3edb6bbda770ed58681e9c2e6af Author: dearblue <[email protected]> Date: Sun Jan 20 10:55:50 2019 +0900 Fix uninitialized pointer dereference when do not finished initializing irep commit 2531f2631e67e0462749618e2344c733a29238f0 Author: dearblue <[email protected]> Date: Sun Jan 20 10:48:15 2019 +0900 Fix NULL pointer dereference when do not finished initializing irep commit e2d6896ebad13694800af49c2625e106b8440ddf Author: dearblue <[email protected]> Date: Sat Jan 19 12:54:19 2019 +0900 Fix memory leak for irep when out of memory by `mrb_proc_new()` commit b6214ff8a0a1c73bc9554e39053878ac50bb683f Author: dearblue <[email protected]> Date: Sat Jan 19 12:53:07 2019 +0900 Fix memory leak for `khash_t` in `kh_init_size()` when out of memory by `kh_alloc()` commit 19162dd6c11f0093d0011e7cab83b8f9e84c2c07 Author: dearblue <[email protected]> Date: Sun Jan 20 02:15:07 2019 +0900 Fix memory leak for symbol string when out of memory in `kh_put()` commit 15e67297ff54bc14ef359d6d1e745d760a4a255a Author: dearblue <[email protected]> Date: Sun Jan 20 02:12:24 2019 +0900 Fix keep wrong symbol index when out of memory commit 3f8e2b375244f5441e8d62efa13c6e6a9afecb14 Author: dearblue <[email protected]> Date: Sun Jan 20 02:08:13 2019 +0900 Fix keep wrong symbol capacity when out of memory commit a3cfe755ab3e758046c3f4e30938ac8d567ed046 Author: dearblue <[email protected]> Date: Sat Jan 19 10:11:37 2019 +0900 Fix NULL pointer dereference `mrb->c` by `mark_context()` commit d9c7b6be6eb54630b64eea5c35be241e551676e5 Author: dearblue <[email protected]> Date: Sun Jan 20 15:25:09 2019 +0900 Fix protect exception for print error message commit 100642750e4d549f2e8050f8d6cabdf8825d4495 Author: dearblue <[email protected]> Date: Sun Jan 20 11:59:02 2019 +0900 Protect exception for mruby core initialization commit 7a0418304ec70764fa215bef3599f5f735222075 Author: dearblue <[email protected]> Date: Fri Jan 18 20:38:27 2019 +0900 Fix memory leak for string object when out of memory The `mrb_str_pool()` function has a path to call `malloc()` twice. If occurs `NoMemoryError` exception in second `malloc()`, first `malloc()` pointer is not freed. commit fef1c152ce4e52b9e4a34dc23aca5b02907ac639 Author: dearblue <[email protected]> Date: Sat Jan 19 13:05:09 2019 +0900 Fix stack overflow when out of memory As a result of this change, no backtrace information is set for NoMemoryError (`mrb->nomem_err`). Detailes: When generating a backtrace, called `mrb_intern_lit()`, `mrb_str_new_cstr()` and `mrb_obj_iv_set()` function with `exc_debug_info()` function in `src/error.c`. If a `NoMemoryError` exception occurs at this time, the `exc_debug_info()` function will be called again, and in the same way `NoMemoryError` exception raised will result in an infinite loop to occurs stack overflow (and SIGSEGV). commit da7d7f881bbbad9988a3a2b7bad8f2b72ff06bc6 Author: dearblue <[email protected]> Date: Sun Jan 20 12:00:38 2019 +0900 Fix NULL pointer dereference `mrb->nomem_err` when not initialized Add internal functions (not `static`): * `mrb_raise_nomemory()` * `mrb_core_init_abort()`
2019-09-26Use type predicate macros instead of `mrb_type` if possibleKOBAYASHI Shuji
For efficiency with `MRB_WORD_BOXING` (implement type predicate macros for all `enum mrb_vtype`).
2019-08-19Move `mrb_str_pool` to `src/string.c` to use `str_init` familyKOBAYASHI Shuji
2019-08-18Prohibit changes to iseq in principledearblue
2019-08-12`mrb_str_pool` can embed one more byte; ref #4626KOBAYASHI Shuji
2019-08-11Reorder finalization to avoid potential crash; ref #4618Yukihiro "Matz" Matsumoto
`mrb_gc_destroy` may call other mruby API functions from the finalizers. So call that function first.
2019-05-25Remove `mrb_alloca()` functiondearblue
When I found this function, I expected it to behave the same as the `alloca(3)` function, but it is accually the `mrb_alloca()` function does not free the heap until the `mrb_close()` function is called. Also, even if it is deleted, it can be replaced with the combination of the `MRB_TT_DATA` object and the `mrb_gv_set()` function if it is sure necessary.
2019-04-03Remove unnecessary `_set_output_format` callKOBAYASHI Shuji
Three-digit exponent issue was fixed via another workaround (63b8f5c).
2019-02-09`mrb_default_allocf()` is default allocator for NULL safedearblue
2019-01-13Use 2 digits exponent format for `printf` family on old MSVCKOBAYASHI Shuji
For conforming C standard.
2018-11-15Remove `filename`&`lines` from `mrb_irep` struct.Yukihiro "Matz" Matsumoto
This patch slightly reduce memory consumption (2% for my test).
2017-11-04Merge branch 'master' of github.com:mruby/mrubyYAMAMOTO Masaya
2017-11-03Should not use `FSHARED` state for string from `irep` pools; fix #3829Yukihiro "Matz" Matsumoto
This strings in `irep` pools may be freed forcefully in `mrb_irep_free`. This commit probably fixes #3817 as well.
2017-10-28Heavily refactored how lexical scope links are implemented; fix #3821Yukihiro "Matz" Matsumoto
Instead of `irep` links, we added a `upper` link to `struct RProc`. To make a space for the `upper` link, we moved `target_class` reference. If a `Proc` does not have `env`, `target_class` is saved in an `union` shared with `env` (if a `Proc` has env, you can tell it by `MRB_PROC_ENV_P()). Otherwise `target_class` is referenced from `env->c`. We removed links in `env` as well. This change removes 2 members from `mrb_irep` struct, thus saving 2 words per method/proc/block. This also fixes potential memory leaks due to the circular references caused by a link from `mrb_irep`.
2017-10-19Add `main.define_method`Yukihiro "Matz" Matsumoto
2017-10-11Add MRB_WITHOUT_FLOATYAMAMOTO Masaya
2017-10-01Add new type of shared string: `RSTR_FSHARED`.Yukihiro "Matz" Matsumoto
`RSTR_FSHARED` use frozen strings as shared body instead of `struct mrb_shared_string`. This reduces allocation from literal strings.
2017-09-29Cut links from `irep` in heaps finalization.Yukihiro "Matz" Matsumoto
2017-09-27fix: src\state.c(66): warning C4200: nonstandard extension used: zero-sized ↵Tomasz Dąbrowski
array in struct/union
2017-09-04Restructure `irep->outer` chain; fix #3804Yukihiro "Matz" Matsumoto
Instead of `irep -> proc` chain, we use `irep -> irep` chain to avoid GC bugs like #3804. We added `target_class` reference to `mrb_irep` struct. That means one more word consumption per `irep`.
2017-08-12Reduce integer type mismatch warnings in VC.Yukihiro "Matz" Matsumoto
2017-05-31Revert 4566c80; fix #3679Yukihiro "Matz" Matsumoto
The patch deallocate the memory in `mrb_default_allocf` but that hinders GC in `mrb_realloc`.
2017-05-25Free given pointer if `realloc()` fails; fix #3658Yukihiro "Matz" Matsumoto
2017-05-23Simplify backtrace mechanism; fix #3633 #3634 #3644Yukihiro "Matz" Matsumoto
Instead of preserving a backtrace in `mrb_state`, `mrb_exc_set` keeps packed backtrace in an exception object. `#backtrace` unpacks it to an array of strings.
2017-04-03Unify `else` clause styleYukihiro "Matz" Matsumoto
2017-01-23Fix a double free problem in codegen.c; fix #3378Yukihiro "Matz" Matsumoto
This issue was first reported by https://hackerone.com/geeknik The fix was proposed by @titanous
2016-06-10add temporary workaround for irep memory corruptionYukihiro "Matz" Matsumoto
need to find out real memory bug that appears in full-debug/mrbtest
2015-12-29Support backtrace after method callsKouhei Sutou
GitHub: fix #2902, #2917 The current implementation traverses stack to retrieve backtrace. But stack will be changed when some operations are occurred. It means that backtrace may be broken after some operations. This change (1) saves the minimum information to retrieve backtrace when exception is raised and (2) restores backtrace from the minimum information when backtrace is needed. It reduces overhead for creating backtrace Ruby objects. The space for the minimum information is reused by multiple exceptions. So memory allocation isn't occurred for each exception.
2015-11-27include changed from by quotes ("") to by brackets (<>); close #3032Yukihiro "Matz" Matsumoto
2015-10-19Clean up GC codefurunkel
2015-09-12Don't crash if NULL is passed to mrb_closeTatsuhiro Tsujikawa
Sometimes it is very useful just return from mrb_close if NULL is passed as mrb. This is the same spirit of free(3), which just does nothing if NULL is passed.
2014-08-29Fix mismatches for MRB_API declarations.Tatsuhiko Kubo
2014-08-20Fix error handling for mrb_open_allocf().Tatsuhiko Kubo
When DISABLE_GEMS is not defined and a return value of mrb_open_core() is NULL, mrb_open_allocf() may cause SEGV.
2014-08-04add MRB_API modifiers to mruby API functionsYukihiro "Matz" Matsumoto
2014-07-24Merge pull request #2477 from take-cheeze/allocf_udYukihiro "Matz" Matsumoto
Add field `allocf_ud` to replace current `ud`.
2014-07-21since #1441, NaN boxing with 64bit pointer works; close #2476Yukihiro "Matz" Matsumoto
2014-07-17Add field `allocf_ud` to replace current `ud`.take_cheeze
Since some use it as `mrb_state` associated user data.
2014-07-03Merge pull request #2442 from suzukaze/use-mrb-str-nofree-macroYukihiro "Matz" Matsumoto
Use RSTR_NOFREE_P in state.c
2014-07-03Use *_EMBED_* macro in state.cJun Hiroe
2014-07-03Use RSTR_NOFREE_P in state.cJun Hiroe
2014-06-23refacor mrb_open_core() to reduce a local variableYukihiro "Matz" Matsumoto
2014-06-23rename mrb_open_without_mrbgems to mrb_open_coretake_cheeze
2014-06-23make default allocf public to use it with mrb_open_without_mrbgemstake_cheeze
2014-06-23add mrb_open_without_mrbgems APItake_cheeze
2014-06-16Add fixed state atexit stack feature.take_cheeze
Adds following macros: * MRB_FIXED_STATE_ATEXIT_STACK (not defined by default) * When defined enables fixed state atexit stack. * MRB_FIXED_STATE_ATEXIT_STACK_SIZE (default value: 5) * This macro will be ignored when `MRB_FIXED_STATE_ATEXIT_STACK` isn't defined. * When `mrb_state_atexit` is called more than this value it will raise runtime error.
2014-06-10rename mrb_atexit to mrb_state_atexit to clarify a func will be called at ↵Yukihiro "Matz" Matsumoto
the end of state, not process; ref #2211
2014-06-08Use `_Static_assert` when C11 is available and use it in pointer size check.take_cheeze
2014-06-06Release `mrb->atexit_stack` on `mrb_close`.take_cheeze
2014-05-08Add API `mrb_atexit()`.take_cheeze
`mrb_final_mrbgems` will be called as mrb_state atexit function. Maybe useful in #1844.
2014-04-28presreve local variables names in irep->lvYukihiro "Matz" Matsumoto
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