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(parent: c63bade) | patch
s390/3270: fix use after free of tty3270_screen structure
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 4 Dec 2013 13:29:11 +0000 (14:29 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 16 Dec 2013 13:37:45 +0000 (14:37 +0100)
commit03439e7d0a7ab3d77a74523b9ba64736c0fc28de
treee1787c15affd7f550843bd95022ae0ee1fc16135tree | snapshot
parentc63badebfebacdba827ab1cc1d420fc81bd8d818commit | diff
s390/3270: fix use after free of tty3270_screen structure

The deactivation and freeing of the tty view of the 3270 device
can race with a tty3270_update invocation via the update timer.
To fix this move the del_timer_sync call for the update timer from
tty3270_free_view to tty3270_free prior to the tty3270_free_screen
call.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/char/tty3270.c diff | blob | blame | history
Linux kernel - Deliverables
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