Zhihao Cheng 91aeb418b9 ubi: Refuse attaching if mtd's erasesize is 0 ...

[ Upstream commit 017c73a34a ]

There exists mtd devices with zero erasesize, which will trigger a
divide-by-zero exception while attaching ubi device.
Fix it by refusing attaching if mtd's erasesize is 0.

Fixes: 801c135ce7 ("UBI: Unsorted Block Images")
Reported-by: Yu Hao <yhao016@ucr.edu>
Link: https://lore.kernel.org/lkml/977347543.226888.1682011999468.JavaMail.zimbra@nod.at/T/
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-10-10 22:00:39 +02:00

..

attach.c

mtd: Convert fallthrough comments into statements

2020-03-30 10:14:54 +02:00

block.c

ubi: block: Fix typos in comments

2022-09-21 11:32:27 +02:00

build.c

ubi: Refuse attaching if mtd's erasesize is 0

2023-10-10 22:00:39 +02:00

cdev.c

ubi: fastmap: Add fastmap control support for 'UBI_IOCATT' ioctl

2022-09-21 18:29:18 +02:00

debug.c

treewide: use prandom_u32_max() when possible, part 1

2022-10-11 17:42:55 -06:00

debug.h

treewide: use prandom_u32_max() when possible, part 1

2022-10-11 17:42:55 -06:00

eba.c

ubi: Fix return value overwrite issue in try_write_vid_and_data()

2023-05-11 23:03:05 +09:00

fastmap-wl.c

ubi: fastmap: Fix missed fm_anchor PEB in wear-leveling after disabling fastmap

2023-03-11 13:55:21 +01:00

fastmap.c

ubi: fastmap: Use the bitmap API to allocate bitmaps

2022-09-21 11:32:58 +02:00

gluebi.c

mtd: ubi: gluebi: Fix misnamed function parameter documentation

2020-11-20 12:37:32 +01:00

io.c

ubi: Fix repeated words in comments

2022-09-21 11:32:27 +02:00

kapi.c

mtd: ubi: kapi: Correct documentation for 'ubi_leb_read_sg's 'sgl' parameter

2020-11-20 12:37:31 +01:00

Kconfig

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

misc.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156

2019-05-30 11:26:35 -07:00

ubi-media.h

ubi: ubi-media.h: Fix comment typo

2022-09-21 11:12:18 +02:00

ubi.h

ubi: fastmap: Add fastmap control support for 'UBI_IOCATT' ioctl

2022-09-21 18:29:18 +02:00

upd.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156

2019-05-30 11:26:35 -07:00

vmt.c

ubi: Fix possible null-ptr-deref in ubi_free_volume()

2023-03-11 13:55:20 +01:00

vtbl.c

ubi: Free the normal volumes in error paths of ubi_attach_mtd_dev()

2020-01-16 23:35:59 +01:00

wl.c

ubi: Fix deadlock caused by recursively holding work_sem

2023-04-20 12:35:14 +02:00

wl.h

ubi: fastmap: Check wl_pool for free peb before wear leveling

2022-05-27 16:49:07 +02:00