Merge 81 patches from 4.19.45 stable
branch (103 total) beside 22 already merged patches:
222abad arm64: mmap: Ensure file offset is treated as unsigned
6d696ceb arm64: arch_timer: Ensure counter register reads occur with seqlock held
f273cd1 arm64: Clear OSDLR_EL1 on CPU boot
d8d751e arm64: Save and restore OSDLR_EL1 across suspend/resume
e7fd8a2 crypto: x86/crct10dif-pcl - fix use via crypto_shash_digest()
63efe31 crypto: arm64/gcm-aes-ce - fix no-NEON fallback code
1bfceb3 bpf, arm64: remove prefetch insn in xadd mapping
0b16b09 mm/hugetlb.c: don't put_page in lock of hugetlb_lock
8bae439 userfaultfd: use RCU to free the task struct when fork fails
d90824e tty: vt.c: Fix TIOCL_BLANKSCREEN console blanking if blankinterval == 0
0fd2df6 tty/vt: fix write/write race in ioctl(KDSKBSENT) handler
001fe0d jbd2: check superblock mapped prior to committing
71478ef ext4: make sanity check in mballoc more strict
b12a8d8 ext4: avoid drop reference to iloc.bh twice
2a18c9c ext4: fix use-after-free race with debug_want_extra_isize
f795247 ext4: actually request zeroing of inode table after grow
45123ae ext4: fix ext4_show_options for file systems w/o journal
25d010f ext4: zero out the unused memory region in the extent tree block
f4bf101 pstore: Centralize init/exit routines
fea8b84 pstore: Allocate compression during late_initcall()
953e826 pstore: Refactor compression initialization
6172ae5 ext4: fix compile error when using BUFFER_TRACE
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>