Minchan Kim ae94264ed4 zram: fix null dereference of handle ... In testing I found handle passed to zs_map_object in __zram_bvec_read is NULL so eh kernel goes oops in pin_object(). The reason is there is no routine to check the slot's freeing after getting the slot's lock. This patch fixes it. [minchan@kernel.org: v2] Link: http://lkml.kernel.org/r/1505887347-10881-1-git-send-email-minchan@kernel.org Link: http://lkml.kernel.org/r/1505788488-26723-1-git-send-email-minchan@kernel.org Fixes: 1f7319c742 ("zram: partial IO refactoring") Signed-off-by: Minchan Kim <minchan@kernel.org> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2017-10-03 17:54:24 -07:00
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Kconfig	zram: add config and doc file for writeback feature	2017-09-06 17:27:25 -07:00
Makefile	zram: delete custom lzo/lz4	2016-07-26 16:19:19 -07:00
zcomp.c	zram: use __sysfs_match_string() helper	2017-07-10 16:32:31 -07:00
zcomp.h	zram: Convert to hotplug state machine	2016-12-02 00:52:39 +01:00
zram_drv.c	zram: fix null dereference of handle	2017-10-03 17:54:24 -07:00
zram_drv.h	zram: write incompressible pages to backing device	2017-09-06 17:27:25 -07:00