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От : Nil A 2:5015/46 16 сен 26 22:24:36
К : All 16 сен 26 22:26:01
Тема : AddressSanitizer: stack-buffer-overflow SquishArea::make_dump_msg
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@MSGID: 2:5015/46 6aaaed3a
@CHRS: CP866 2
@TZUTC: 0300
@TID: hpt/lnx 1.9
Hello, All!
Почему-то работа со сквишом как-то не очень. Если на сообщении в
сквишовой базе делать dump. На JAM работает.
==23921==ERROR: AddressSanitizer: stack-buffer-overflow on address
0x7ffe042d5fae at pc 0x0000007c1d67 bp 0x7ffe042d5b40 sp 0x7ffe042d5b38 READ of size
1 at 0x7ffe042d5fae thread T0 #0 0x7c1d66 in HexDump16(char*, char
const*, int, char const*, int)
/home/fido/src/golded-plus/goldlib/gall/gmemutil.cpp:53 #1 0x40c62f in HexDump16(char*, char const*, int, int)
/home/fido/src/golded-plus/goldlib/gall/gmemall.h:97 #2 0x6de9d2 in SquishArea::make_dump_msg(Line*&, gmsg*, char*)
/home/fido/src/golded-plus/goldlib/gmb3/gmosqsh5.cpp:150 #3 0x5714ae in Area::MakeDumpMsg(GMsg*, char*)
/home/fido/src/golded-plus/golded3/gmarea.h:1314 #4 0x562db8 in MakeLineIndex(GMsg*, int, bool, bool)
/home/fido/src/golded-plus/golded3/geline.cpp:3462 #5 0x56222f in GMsg::TextToLines(int, bool, bool)
/home/fido/src/golded-plus/golded3/geline.cpp:3323 #6 0x57fd09 in Area::LoadMsg(GMsg*, unsigned int, int, int)
/home/fido/src/golded-plus/golded3/gelmsg.cpp:186 #7 0x5f56ad in LoadMessage(GMsg*, int)
/home/fido/src/golded-plus/golded3/geread.cpp:1375 #8 0x5f1030 in Reader() /home/fido/src/golded-plus/golded3/geread.cpp:364
#9 0x5801ea in main /home/fido/src/golded-plus/golded3/gemain.cpp:54
#10 0x7fbd3be0bf44 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21f44) ┌──────────────────────────────────┐
#11 0x408228
(/home/fido/src/golded-plus/build-asan/golded3/golded+0x408228) │ Generating Hexdump - Please Wait │
└──────────────────────────────────┘
Address 0x7ffe042d5fae is located in stack of thread T0 at offset 542 in frame
#0 0x6dcbdf in SquishArea::make_dump_msg(Line*&, gmsg*, char*)
/home/fido/src/golded-plus/goldlib/gmb3/gmosqsh5.cpp:63
This frame has 6 object(s):
[32, 40) `line` (line 89)
[64, 76) `_idx` (line 73)
[96, 124) `_frm` (line 79)
[160, 260) `buf` (line 88)
[304, 542) `_hdr` (line 85) <== Memory access at offset 542
overflows this variable
[608, 864) `_base` (line 68)
HINT: this may be a false positive if your program uses some
custom stack unwind mechanism, swapcontext or vfork
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow
/home/fido/src/golded-plus/goldlib/gall/gmemutil.cpp:53 in HexDump16(char*, char const*, int, char const*, int)
Best Regards, Nil
--- GoldED+/LNX 1.1.5-b20260305
* Origin: I`m not AI but still can make mistakes, so double-check. (2:5015/46)
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