[Bug 47203] New: winedbg --gdb Game300.exe gives Internal crash at 0x7e9a06f9 (w3dhub/ecw)
wine-bugs at winehq.org
wine-bugs at winehq.org
Tue May 14 15:31:31 CDT 2019
https://bugs.winehq.org/show_bug.cgi?id=47203
Bug ID: 47203
Summary: winedbg --gdb Game300.exe gives Internal crash at
0x7e9a06f9 (w3dhub/ecw)
Product: Wine
Version: 4.8
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: dbghelp
Assignee: wine-bugs at winehq.org
Reporter: bernhardu at mailbox.org
Distribution: ---
Created attachment 64458
--> https://bugs.winehq.org/attachment.cgi?id=64458
dbghelp: Avoid crash in pe_load_msc_debug_info.
An interesting debugging topic got written to the forums in [1].
There a crash of "winedbg --gdb" got described that I could reproduce
which ends here:
Unhandled exception: page fault on read access to 0x017ac000 in 32-bit code
(0x7e9a06f9).
...
Backtrace:
=>0 0x7e9a06f9 pe_load_msc_debug_info+0xc3() [dlls/dbghelp/pe_module.c:597] in
dbghelp (0x0032e5a8)
1 0x7e9a0ae8 pe_load_debug_info+0x67() [dlls/dbghelp/pe_module.c:715] in
dbghelp (0x0032e5d8)
2 0x7e9a0d8f pe_load_native_module+0x23c() [dlls/dbghelp/pe_module.c:774] in
dbghelp (0x0032e838)
3 0x7e991ff8 SymLoadModuleExW+0x2db(BaseOfDll=0x400000)
[dlls/dbghelp/module.c:643] in dbghelp (0x0032e8b8)
...
Attached patch contains a hack to check if the memory where parts of the
debug information is expected is mapped into the process.
And contains the full backtrace.
[1]
https://forum.winehq.org/viewtopic.php?f=2&t=32324&sid=001e48b2bd4f8f1993504ff14cf3d275
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