JFFS2, UBI and UBIFS updates for v5.19-rc1

Linus,

The following changes since commit 42226c989789d8da4af1de0c31070c96726d990c:

Linux 5.18-rc7 (2022-05-15 18:08:58 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git tags/for-linus-5.19-rc1

for you to fetch changes up to 8c03a1c21d72210f81cb369cc528e3fde4b45411:

ubi: ubi_create_volume: Fix use-after-free when volume creation failed (2022-05-27 16:49:41 +0200)

----------------------------------------------------------------
This pull request contains fixes for JFFS2, UBI and UBIFS

JFFS2:
- Fixes for a memory leak

UBI:
- Fixes for fastmap (UAF, high CPU usage)

UBIFS:
- Minor cleanups

----------------------------------------------------------------
Baokun Li (1):
jffs2: fix memory leak in jffs2_do_fill_super

Haowen Bai (2):
jffs2: Use kzalloc instead of kmalloc/memset
ubifs: Use NULL instead of using plain integer as pointer

Minghao Chi (1):
ubifs: Simplify the return expression of run_gc()

Zhihao Cheng (3):
ubi: fastmap: Fix high cpu usage of ubi_bgt by making sure wl_pool not empty
ubi: fastmap: Check wl_pool for free peb before wear leveling
ubi: ubi_create_volume: Fix use-after-free when volume creation failed

 drivers/mtd/ubi/fastmap-wl.c | 121 +++++++++++++++++++++++++++++++++++--------
 drivers/mtd/ubi/fastmap.c    |  11 ----
 drivers/mtd/ubi/ubi.h        |   4 +-
 drivers/mtd/ubi/vmt.c        |   1 -
 drivers/mtd/ubi/wl.c         |  33 ++++++++----
 drivers/mtd/ubi/wl.h         |   2 +
 fs/jffs2/erase.c             |   6 +--
 fs/jffs2/fs.c                |   1 +
 fs/ubifs/budget.c            |   7 +--
 fs/ubifs/xattr.c             |   2 +-
 10 files changed, 129 insertions(+), 59 deletions(-)