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Jaegeuk Kim bb8108546d f2fs: should put a page beyond EOF when preparing a write 
[ Upstream commit 9605f75cf36e0bcc0f4ada07b5be712d30107607 ]

The prepare_compress_overwrite() gets/locks a page to prepare a read, and calls
f2fs_read_multi_pages() which checks EOF first. If there's any page beyond EOF,
we unlock the page and set cc->rpages[i] = NULL, which we can't put the page
anymore. This makes page leak, so let's fix by putting that page.

Fixes: a949dc5f2c5c ("f2fs: compress: fix race condition of overwrite vs truncate")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-18 13:40:16 +02:00
..
acl.c
f2fs: clean up kvfree
2020-09-14 11:15:37 -07:00
acl.h
f2fs: Use the correct style for SPDX License Identifier
2020-05-08 06:55:55 -07:00
checkpoint.c
f2fs: avoid race condition for shrinker count
2021-01-06 14:56:54 +01:00
compress.c
f2fs: deallocate compressed pages when error happens
2021-09-18 13:40:16 +02:00
data.c
f2fs: should put a page beyond EOF when preparing a write
2021-09-18 13:40:16 +02:00
debug.c
f2fs: avoid race condition for shrinker count
2021-01-06 14:56:54 +01:00
dir.c
f2fs: reduce the scope of setting fsck tag when de->name_len is zero
2021-09-18 13:40:13 +02:00
extent_cache.c
f2fs: support 64-bits key in f2fs rb-tree node entry
2020-09-10 14:03:30 -07:00
f2fs.h
f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances
2021-07-19 09:45:03 +02:00
file.c
f2fs: fix to unmap pages from userspace process in punch_hole()
2021-09-18 13:40:16 +02:00
gc.c
f2fs: fix to account missing .skipped_gc_rwsem
2021-09-18 13:40:16 +02:00
gc.h
f2fs: support age threshold based garbage collection
2020-09-11 11:11:15 -07:00
hash.c
f2fs-for-5.8-rc1
2020-06-09 11:28:59 -07:00
inline.c
f2fs: fix a redundant call to f2fs_balance_fs if an error occurs
2021-05-19 10:13:00 +02:00
inode.c
f2fs: fix to set SBI_NEED_FSCK flag for inconsistent inode
2020-10-09 10:29:31 -07:00
Kconfig
f2fs: compress: support lzo-rle compress algorithm
2020-05-11 20:36:46 -07:00
Makefile
f2fs: support data compression
2020-01-17 16:48:07 -08:00
namei.c
f2fs: report correct st_size for encrypted symlinks
2021-09-08 08:48:59 +02:00
node.c
f2fs: fix to avoid out-of-bounds memory access
2021-05-11 14:47:34 +02:00
node.h
f2fs: avoid race condition for shrinker count
2021-01-06 14:56:54 +01:00
recovery.c
f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances
2021-07-19 09:45:03 +02:00
segment.c
f2fs: fix to avoid accessing invalid fio in f2fs_allocate_data_block()
2021-05-19 10:13:02 +02:00
segment.h
f2fs: fix to avoid touching checkpointed data in get_victim()
2021-05-19 10:13:02 +02:00
shrinker.c
f2fs: avoid race condition for shrinker count
2021-01-06 14:56:54 +01:00
super.c
f2fs: quota: fix potential deadlock
2021-09-18 13:40:11 +02:00
sysfs.c
f2fs: Show casefolding support only when supported
2021-07-25 14:36:17 +02:00
trace.c
f2fs: do not use mutex lock in atomic context
2019-03-05 19:58:06 -08:00
trace.h
f2fs: Use the correct style for SPDX License Identifier
2020-05-08 06:55:55 -07:00
verity.c
f2fs: fix error handling in f2fs_end_enable_verity()
2021-05-11 14:47:34 +02:00
xattr.c
f2fs: clean up kvfree
2020-09-14 11:15:37 -07:00
xattr.h
f2fs: code cleanup by removing ifdef macro surrounding
2020-05-26 18:56:10 -07:00