Author christian.heimes
Recipients christian.heimes
Date 2020-11-18.12:31:34
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Message-id <1605702696.79.0.618626990088.issue40998@roundup.psfhosted.org>
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I see more warnings and a new leak detection on latest master:

gcc -pthread -c -fsanitize=undefined -fsanitize=address -fno-omit-frame-pointer  -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall    -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Werror=implicit-function-declaration -fvisibility=hidden  -I./Include/internal  -I. -I./Include    -DPy_BUILD_CORE -o Objects/codeobject.o Objects/codeobject.c
In function ‘emit_pair’,
    inlined from ‘emit_delta’ at Objects/codeobject.c:423:14,
    inlined from ‘code_getlnotab’ at Objects/codeobject.c:462:18:
Objects/codeobject.c:414:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  414 |     *lnotab++ = b;
      |     ~~~~~~~~~~^~~
In function ‘emit_pair’,
    inlined from ‘emit_delta’ at Objects/codeobject.c:436:14,
    inlined from ‘code_getlnotab’ at Objects/codeobject.c:462:18:
Objects/codeobject.c:414:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  414 |     *lnotab++ = b;
      |     ~~~~~~~~~~^~~
In function ‘emit_pair’,
    inlined from ‘emit_delta’ at Objects/codeobject.c:429:14,
    inlined from ‘code_getlnotab’ at Objects/codeobject.c:462:18:
Objects/codeobject.c:414:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  414 |     *lnotab++ = b;
      |     ~~~~~~~~~~^~~
gcc -pthread -c -fsanitize=undefined -fsanitize=address -fno-omit-frame-pointer  -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall    -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Werror=implicit-function-declaration -fvisibility=hidden  -I./Include/internal  -I. -I./Include    -DPy_BUILD_CORE -o Python/compile.o Python/compile.c
In function ‘assemble_emit_linetable_pair’,
    inlined from ‘assemble_line_range’ at Python/compile.c:5614:18:
Python/compile.c:5586:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 5586 |     *lnotab++ = ldelta;
      |     ~~~~~~~~~~^~~~~~~~
In function ‘assemble_emit_linetable_pair’,
    inlined from ‘assemble_line_range’ at Python/compile.c:5608:18:
Python/compile.c:5586:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 5586 |     *lnotab++ = ldelta;
      |     ~~~~~~~~~~^~~~~~~~
In function ‘assemble_emit_linetable_pair’,
    inlined from ‘assemble’ at Python/compile.c:6011:10:
Python/compile.c:5586:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 5586 |     *lnotab++ = ldelta;
      |     ~~~~~~~~~~^~~~~~~~


==669952==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 57 byte(s) in 1 object(s) allocated from:
    #0 0x7fa6397cc667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    #1 0x777579 in PyUnicode_New Objects/unicodeobject.c:1459
    #2 0x86aa4e in unicode_decode_utf8 Objects/unicodeobject.c:5129
    #3 0x8b6050 in PyUnicode_DecodeUTF8Stateful Objects/unicodeobject.c:5259
    #4 0x8b6050 in PyUnicode_FromString Objects/unicodeobject.c:2311
    #5 0x8b6050 in PyUnicode_InternFromString Objects/unicodeobject.c:15788
    #6 0x8f1e0b in create_filter Python/_warnings.c:67
    #7 0x8f1e0b in init_filters Python/_warnings.c:95
    #8 0x8f1e0b in _PyWarnings_InitState Python/_warnings.c:123
    #9 0xa52178 in pycore_init_types Python/pylifecycle.c:704
    #10 0xa52178 in pycore_interp_init Python/pylifecycle.c:760
    #11 0xa5eab1 in pyinit_config Python/pylifecycle.c:807
    #12 0xa5eab1 in pyinit_core Python/pylifecycle.c:970
    #13 0xa60037 in Py_InitializeFromConfig Python/pylifecycle.c:1155
    #14 0x47a842 in pymain_init Modules/main.c:66
    #15 0x4802a2 in pymain_main Modules/main.c:698
    #16 0x4802a2 in Py_BytesMain Modules/main.c:731
    #17 0x7fa638a5b041 in __libc_start_main (/lib64/libc.so.6+0x27041)
History
Date User Action Args
2020-11-18 12:31:36christian.heimessetrecipients: + christian.heimes
2020-11-18 12:31:36christian.heimessetmessageid: <1605702696.79.0.618626990088.issue40998@roundup.psfhosted.org>
2020-11-18 12:31:36christian.heimeslinkissue40998 messages
2020-11-18 12:31:34christian.heimescreate