Dan Williams 2e6edc9538 block: protect rw_page against device teardown ... Fix use after free crashes like the following: general protection fault: 0000 [#1] SMP Call Trace: [<ffffffffa0050216>] ? pmem_do_bvec.isra.12+0xa6/0xf0 [nd_pmem] [<ffffffffa0050ba2>] pmem_rw_page+0x42/0x80 [nd_pmem] [<ffffffff8128fd90>] bdev_read_page+0x50/0x60 [<ffffffff812972f0>] do_mpage_readpage+0x510/0x770 [<ffffffff8128fd20>] ? I_BDEV+0x20/0x20 [<ffffffff811d86dc>] ? lru_cache_add+0x1c/0x50 [<ffffffff81297657>] mpage_readpages+0x107/0x170 [<ffffffff8128fd20>] ? I_BDEV+0x20/0x20 [<ffffffff8128fd20>] ? I_BDEV+0x20/0x20 [<ffffffff8129058d>] blkdev_readpages+0x1d/0x20 [<ffffffff811d615f>] __do_page_cache_readahead+0x28f/0x310 [<ffffffff811d6039>] ? __do_page_cache_readahead+0x169/0x310 [<ffffffff811c5abd>] ? pagecache_get_page+0x2d/0x1d0 [<ffffffff811c76f6>] filemap_fault+0x396/0x530 [<ffffffff811f816e>] __do_fault+0x4e/0xf0 [<ffffffff811fce7d>] handle_mm_fault+0x11bd/0x1b50 Cc: <stable@vger.kernel.org> Cc: Jens Axboe <axboe@fb.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Reported-by: kbuild test robot <lkp@intel.com> Acked-by: Matthew Wilcox <willy@linux.intel.com> [willy: symmetry fixups] Signed-off-by: Dan Williams <dan.j.williams@intel.com>		2015-11-19 13:47:10 -08:00
..
acpi	Merge branch 'acpi-pci'	2015-11-07 01:30:10 +01:00
asm-generic	h8300 update for v4.4	2015-11-12 15:26:39 -08:00
clocksource
crypto	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security	2015-11-05 15:32:38 -08:00
drm	Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux	2015-11-10 09:33:06 -08:00
dt-bindings	ARM: DT updates for v4.4	2015-11-10 15:06:26 -08:00
keys	KEYS: Merge the type-specific data with the payload data	2015-10-21 15:18:36 +01:00
kvm	s390: A bunch of fixes and optimizations for interrupt and time	2015-11-05 16:26:26 -08:00
linux	block: protect rw_page against device teardown	2015-11-19 13:47:10 -08:00
math-emu
media	[media] v4l2: add support for SDR transmitter	2015-10-20 15:40:50 -02:00
memory
misc
net	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2015-11-10 18:11:41 -08:00
pcmcia
ras
rdma	IB/core, cma: Make __attribute_const__ declarations sparse-friendly	2015-10-30 17:57:49 -04:00
rxrpc
scsi	scsi: use host wide tags by default	2015-11-09 17:11:57 -08:00
soc	ARM: SoC driver updates for v4.4	2015-11-10 15:00:03 -08:00
sound	ALSA: Constify ratden/ratnum constraints	2015-10-28 11:42:22 +01:00
target	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2015-11-13 20:04:17 -08:00
trace	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux	2015-11-11 09:03:01 -08:00
uapi	VFIO updates for v4.4-rc1	2015-11-13 17:05:32 -08:00
video	drm/exynos/decon5433: add support for DECON-TV	2015-11-03 11:46:37 +09:00
xen	xen/grant-table: Add an helper to iterate over a specific number of grants	2015-10-23 14:20:46 +01:00
Kbuild