On Thu, 2 Nov 2023 13:55:41 GMT, Alec Su <[email protected]> wrote: > The bug on Windows doesn't generate any error messages. During the testcase > run, every "Open MIDI port" message should be followed by an "All > SysexMessage sent" message. Alternatively, you can check `%ERRORLEVEL%` to > determine if there's an error when JVM exits. > > On Linux, there are no software MIDI devices provided by default. To > reproduce this bug on Linux, you need to connect a real MIDI device to Linux > or create a virtual MIDI device by running the command `sudo modprobe > snd_virmidi midi_devs=1`. > > The bug occurred because a pointer was increased on Line 137, then it > attempted to release the modified pointer on Line 143. > > https://github.com/openjdk/jdk/blob/e9d19d0fffc47119d0d4f756833ec87cd0a6331e/src/java.desktop/share/native/libjsound/MidiOutDevice.c#L128-L144 > > To fix this, I added a variable `msg` to store the modified pointer to > prevent `data` pointer being modified.
This pull request has now been integrated. Changeset: d725b73d Author: Alec Su <[email protected]> Committer: Sergey Bylokhov <[email protected]> URL: https://git.openjdk.org/jdk/commit/d725b73df01ae4478dfaabc47c48cd7231d91afa Stats: 19 lines in 2 files changed: 13 ins; 0 del; 6 mod 8301310: The SendRawSysexMessage test may cause a JVM crash Reviewed-by: serb ------------- PR: https://git.openjdk.org/jdk/pull/16477
