Raghavendra K T 9967d8ac5c null_blk: Null pointer deference problem in alloc_page_buffers ... If we load the null_blk module with bs=8k we get following oops: [ 3819.812190] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 3819.812387] IP: [<ffffffff81170aa5>] create_empty_buffers+0x28/0xaf [ 3819.812527] PGD 219244067 PUD 215a06067 PMD 0 [ 3819.812640] Oops: 0000 [#1] SMP [ 3819.812772] Modules linked in: null_blk(+) Fix that by resetting block size to PAGE_SIZE if it is greater than PAGE_SIZE Reported-by: Sumanth <sumantk2@linux.vnet.ibm.com> Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Reviewed-by: Matias Bjorling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>		2014-01-21 20:22:40 -08:00
..
aoe	aoe: Convert to immutable biovecs	2013-11-23 22:33:52 -08:00
drbd	block: Immutable bio vecs	2013-11-23 22:33:49 -08:00
mtip32xx	mtip32xx: Correctly handle security locked condition	2014-01-21 20:20:44 -08:00
paride	drivers/block/paride/pg.c: underflow bug in pg_write()	2014-01-21 20:16:56 -08:00
rsxx	block: Convert bio_for_each_segment() to bvec_iter	2013-11-23 22:33:49 -08:00
xen-blkback	block: Abstract out bvec iterator	2013-11-23 22:33:47 -08:00
amiflop.c	tree-wide: use reinit_completion instead of INIT_COMPLETION	2013-11-15 09:32:21 +09:00
ataflop.c	block_device_operations->release() should return void	2013-05-07 02:16:21 -04:00
brd.c	block: Convert bio_for_each_segment() to bvec_iter	2013-11-23 22:33:49 -08:00
cciss_cmd.h	cciss: use new doorbell-bit-5 reset method	2011-05-06 08:23:55 -06:00
cciss_scsi.c	cciss: switch to ->show_info()	2013-04-09 14:13:19 -04:00
cciss_scsi.h	cciss: add cciss_tape_cmds module paramter	2011-05-06 08:23:59 -06:00
cciss.c	drivers/block/cciss.c:cciss_init_one(): use proper errnos	2014-01-21 20:16:56 -08:00
cciss.h	cciss: Adds simple mode functionality	2011-08-08 11:40:15 +02:00
cpqarray.c	cpqarray: fix info leak in ida_locked_ioctl()	2013-09-24 17:00:26 -07:00
cpqarray.h
cryptoloop.c	move linux/loop.h to drivers/block	2013-06-29 12:46:45 +04:00
DAC960.c	procfs: new helper - PDE_DATA(inode)	2013-04-09 14:13:32 -04:00
DAC960.h
floppy.c	floppy: bail out in open() if drive is not responding to block0 read	2014-01-17 11:12:06 +01:00
hd.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
ida_cmd.h
ida_ioctl.h
Kconfig	Merge branch 'for-3.13/post-mq-drivers' into for-linus	2013-11-14 08:29:01 -07:00
loop.c	drivers/block/loop.c: fix comment typo in loop_config_discard	2014-01-21 20:16:56 -08:00
loop.h	move linux/loop.h to drivers/block	2013-06-29 12:46:45 +04:00
Makefile	Merge branch 'for-3.13/post-mq-drivers' into for-linus	2013-11-14 08:29:01 -07:00
mg_disk.c	mg_disk: remove deprecated IRQF_DISABLED	2013-11-08 09:10:27 -07:00
nbd.c	block: Immutable bio vecs	2013-11-23 22:33:49 -08:00
null_blk.c	null_blk: Null pointer deference problem in alloc_page_buffers	2014-01-21 20:22:40 -08:00
nvme-core.c	block: Introduce new bio_split()	2013-11-23 22:33:57 -08:00
nvme-scsi.c	NVMe: Use kzalloc instead of kmalloc+memset	2013-06-19 13:24:27 -04:00
osdblk.c	block: replace strict_strtoul() with kstrtoul()	2013-09-11 15:56:56 -07:00
pktcdvd.c	pktcdvd: fix error return code	2014-01-03 10:05:34 +01:00
ps3disk.c	block: Kill bio_segments()/bi_vcnt usage	2013-11-23 22:33:51 -08:00
ps3vram.c	block: Convert bio_for_each_segment() to bvec_iter	2013-11-23 22:33:49 -08:00
rbd_types.h	rbd: get rid of RBD_MAX_SEG_NAME_LEN	2012-12-17 08:37:29 -06:00
rbd.c	rbd: Refactor bio cloning	2013-11-23 22:33:54 -08:00
skd_main.c	drivers: block: Mark the functions as static in skd_main.c	2013-12-19 08:06:49 -07:00
skd_s1120.h	skd: fix formatting in skd_s1120.h	2013-11-08 09:10:30 -07:00
smart1,2.h	fix typos 'comamnd' -> 'command' in comments	2011-02-02 11:31:21 +01:00
sunvdc.c	sunvdc: Fix off-by-one in generic_request().	2013-02-14 11:49:01 -08:00
swim3.c	block_device_operations->release() should return void	2013-05-07 02:16:21 -04:00
swim_asm.S	m68k: mac - Add SWIM floppy support	2009-03-26 21:15:27 +01:00
swim.c	drivers/block/swim.c: remove unnecessary platform_set_drvdata()	2013-09-11 15:56:59 -07:00
sx8.c	drivers/block/sx8.c: remove unnecessary pci_set_drvdata()	2014-01-21 20:16:56 -08:00
umem.c	block: Convert drivers to immutable biovecs	2013-11-23 22:33:51 -08:00
umem.h
virtio_blk.c	virtio-blk: virtqueue_kick() must be ordered with other virtqueue operations	2013-11-19 19:00:45 -07:00
xen-blkfront.c	Linux 3.13-rc6	2013-12-31 09:51:02 -07:00
xsysace.c	xilinx systemace: Fix sparse warnings	2013-07-10 07:47:12 +02:00
z2ram.c	block_device_operations->release() should return void	2013-05-07 02:16:21 -04:00