UPSTREAM: ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt

The stack object “r1” has a total size of 32 bytes. Its field
“event” and “val” both contain 4 bytes padding. These 8 bytes
padding bytes are sent to user without being initialized.

Signed-off-by: Kangjie Lu <>
Signed-off-by: Takashi Iwai <>

Bug: None
Patchset: alsa-info-leak-fixes

(cherry-picked from e4ec8cc8039a7063e24204299b462bd1383184a5)
Signed-off-by: Mattias Nissler <>

Change-Id: I773118fa3920f852c56c4687d5606bbe3f138ca6
1 file changed