New subject: [Bug 54154] winmm:midi sometimes crashes on exit in Wine

15 Dec 2022


      https://bugs.winehq.org/show_bug.cgi?id=54154
Bug ID: 54154
           Summary: winmm:midi sometimes crashes on exit in Wine
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: winmm&mci
          Assignee: wine-bugs@winehq.org
          Reporter: fgouget@codeweavers.com
      Distribution: ---
winmm:midi sometimes crashes on exit in Wine:
0494:midi: 445 tests executed (4 marked as todo, 0 as flaky, 0 failures), 0
skipped.
winmm:midi:0494 done (-1073741819) in 7s 5788B
See https://test.winehq.org/data/patterns.html#winmm:midi
Where -1073741819 == 0xc0000005
The pid of the test summary line matches the one printed by the WineTest
executable which means this is the summary line of the main process. That means
the crash happens on exit, probably as the result of memory / stack corruption.
There have been 24 crashes in the past 6 months but they became more frequent
after the 2022-09-16 which may correspond to the TestBot switching to running
two VMs are a time. So the failure may be caused by extra load.
There is also at least one case of a timeout on exit (2022-12-09 on
debian11-win32-ja-JP), which is probably the same issue:
05fc:midi: 445 tests executed (4 marked as todo, 0 as flaky, 0 failures), 0
skipped.
winmm:midi:05fc done (258) in 120s 5788B
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[Bug 54154] New: winmm:midi sometimes crashes on exit in Wine