[Bug 49462] New: uninitialized request bytes in server request launched from wine_ntoskrnl_main_loop
WineHQ Bugzilla
wine-bugs at winehq.org
Sat Jun 27 03:23:46 CDT 2020
https://bugs.winehq.org/show_bug.cgi?id=49462
Bug ID: 49462
Summary: uninitialized request bytes in server request launched
from wine_ntoskrnl_main_loop
Product: Wine
Version: 5.11
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ntoskrnl
Assignee: wine-bugs at winehq.org
Reporter: jeffersoncarpenter2 at gmail.com
Distribution: ---
Created attachment 67566
--> https://bugs.winehq.org/attachment.cgi?id=67566
Configure output
Steps to reproduce
* Build latest wine (currently 13b2587d4f). Attached my own configure output.
See configure output for configure flags.
* Build 'int main() { return 0; }' using i686-w64-mingw-gcc
* Run this under valgrind. Valgrind output attached.
The first error that occurs after any chkstk errors is
==7516== Syscall param write(buf) points to uninitialised byte(s)
==7516== at 0x4219763: __libc_write (write.c:26)
==7516== by 0x4219763: write (write.c:24)
==7516== by 0x4858E00: send_request (server.c:206)
==7516== by 0x4858FCD: server_call_unlocked (server.c:281)
==7516== by 0x4859028: wine_server_call (server.c:297)
==7516== by 0x7BC84EC3: wine_server_call (server.c:65)
==7516== by 0x530C07A: wine_ntoskrnl_main_loop (ntoskrnl.c:886)
==7516== by 0x4FAEA67: ServiceMain (device.c:136)
==7516== by 0x516AB94: service_thread (service.c:1607)
==7516== by 0x7BC89857: ??? (thread.c:169)
==7516== by 0x7BC898BA: call_thread_func (thread.c:208)
==7516== by 0x7BC89849: ??? (thread.c:169)
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