Jaegeuk Kim bb8108546d f2fs: should put a page beyond EOF when preparing a write ...

[ Upstream commit 9605f75cf3 ]

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: a949dc5f2c ("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

Merge tag 'f2fs-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

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