linux-uconsole/drivers/block
Tetsuo Handa 43991e916e loop: remember whether sysfs_create_group() was done
commit d3349b6b3c upstream.

syzbot is hitting WARN() triggered by memory allocation fault
injection [1] because loop module is calling sysfs_remove_group()
when sysfs_create_group() failed.
Fix this by remembering whether sysfs_create_group() succeeded.

[1] https://syzkaller.appspot.com/bug?id=3f86c0edf75c86d2633aeb9dd69eccc70bc7e90b

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+9f03168400f56df89dbc6f1751f4458fe739ff29@syzkaller.appspotmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Renamed sysfs_ready -> sysfs_inited.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-17 11:31:46 +02:00
..
aoe Revert "block: remove artifical max_hw_sectors cap" 2015-08-18 13:21:13 -07:00
drbd drbd: fix access after free 2018-07-11 16:03:48 +02:00
mtip32xx Revert "mtip32xx: use runtime tag to initialize command header" 2018-04-08 11:52:02 +02:00
paride cdrom: do not call check_disk_change() inside cdrom_open() 2018-05-30 07:49:13 +02:00
rsxx block: change ->make_request_fn() and users to return a queue cookie 2015-11-07 10:40:46 -07:00
xen-blkback xen-blkback: don't leak stack data via response ring 2017-11-21 09:21:17 +01:00
zram zram: set physical queue limits to avoid array out of bounds accesses 2017-12-16 10:33:53 +01:00
amiflop.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
ataflop.c Merge branch 'for-3.16/core' of git://git.kernel.dk/linux-block into next 2014-06-02 09:29:34 -07:00
brd.c brd: Fix discard request processing 2016-04-12 09:08:53 -07:00
cciss.c cciss: correct the non-resettable board list 2015-05-31 11:14:34 -07:00
cciss.h
cciss_cmd.h
cciss_scsi.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
cciss_scsi.h
cpqarray.c genirq: Remove the deprecated 'IRQF_DISABLED' request_irq() flag entirely 2015-03-05 20:53:06 +01:00
cpqarray.h
cryptoloop.c
DAC960.c block: use pci_zalloc_consistent 2014-08-08 15:57:28 -07:00
DAC960.h
floppy.c block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
hd.c block: hd: remove deprecated IRQF_DISABLED 2014-10-01 08:16:07 -06:00
ida_cmd.h
ida_ioctl.h
Kconfig nvme: move to a new drivers/nvme/host directory 2015-10-09 10:40:37 -06:00
loop.c loop: remember whether sysfs_create_group() was done 2018-07-17 11:31:46 +02:00
loop.h loop: remember whether sysfs_create_group() was done 2018-07-17 11:31:46 +02:00
Makefile nvme: move to a new drivers/nvme/host directory 2015-10-09 10:40:37 -06:00
mg_disk.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
nbd.c nbd: ratelimit error msgs after socket close 2016-05-11 11:21:10 +02:00
null_blk.c null_blk: use async queue restart helper 2015-12-28 13:07:09 -07:00
osdblk.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
pktcdvd.c pktcdvd: Fix pkt_setup_dev() error path 2018-02-16 20:09:47 +01:00
ps3disk.c
ps3vram.c block: change ->make_request_fn() and users to return a queue cookie 2015-11-07 10:40:46 -07:00
rbd.c rbd: set max_segments to USHRT_MAX 2018-01-17 09:35:30 +01:00
rbd_types.h
skd_main.c skd: Submit requests to firmware before triggering the doorbell 2017-09-27 11:00:14 +02:00
skd_s1120.h
smart1,2.h
sunvdc.c sunvdc: reconnect ldc after vds service domain restarts 2014-12-11 18:52:45 -08:00
swim.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
swim3.c powerpc: Move Power Macintosh drivers to generic byteswappers 2015-03-23 14:29:40 +11:00
swim_asm.S
sx8.c block: rename REQ_TYPE_SPECIAL to REQ_TYPE_DRV_PRIV 2015-05-05 13:40:03 -06:00
umem.c block: change ->make_request_fn() and users to return a queue cookie 2015-11-07 10:40:46 -07:00
umem.h
virtio_blk.c virtio_blk: fix panic in initialization error path 2017-08-11 09:08:58 -07:00
xen-blkfront.c xen: features for 4.4-rc0 2015-11-04 17:32:42 -08:00
xsysace.c block: systemace: Remove .owner field for driver 2014-08-21 20:37:54 -05:00
z2ram.c block: remove struct request buffer member 2014-04-15 14:03:02 -06:00