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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()`
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* mrb_sym2name -> mrb_sym_name
* mrb_sym2name_len -> mrb_sym_name_len
* mrb_sym2str -> mrb_sym_str
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The addresses for packed inline symbols reference `mrb->symbuf` that
could be overridden by the later call of `mrb_sym2name_len`. Since
file names in call stack information are kept as symbols, keeping the
address in the C structures could cause problems like #4342.
This changes small incompatible changes in function prototypes:
* `mrb_parser_get_filename`: return value changed to `mrb_sym`.
* `mrb_debug_get_filename`: add `mrb_state*` as a first argument.
* `mrb_debug_get_line`: ditto.
I believe above functions are almost internal, and no third-party
mrbgem use them.
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This patch slightly reduce memory consumption (2% for my test).
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According to CONTRIBUTING.md,
Don't use C++ style comments
/* This is the prefered comment style */
Use C++ style comments only for temporary comment e.g. commenting out some code lines.
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entry pointer
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