Description: MIDI driver race condition leads to a double-free References: Notes: Bugs: upstream: released (4.18-rc6) [39675f7a7c7e7702f7d5341f1e0d01db746543a0] 4.9-upstream-stable: released (4.9.115) [c4f094deb3d69dcc8b4e3dc6c056c1e62a72c33e] 3.16-upstream-stable: released (3.16.58) [alsa-rawmidi-change-resized-buffers-atomically.patch] sid: released (4.17.15-1) 4.9-stretch-security: released (4.9.110-3+deb9u5) [bugfix/all/ALSA-rawmidi-Change-resized-buffers-atomically.patch] 3.16-jessie-security: released (3.16.59-1)