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linux-stable/fs/f2fs
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Pan Bian d33655dbae f2fs: read page index before freeing 
commit 0ea295dd85 upstream.

The function truncate_node frees the page with f2fs_put_page. However,
the page index is read after that. So, the patch reads the index before
freeing the page.

Fixes: bf39c00a9a ("f2fs: drop obsolete node page when it is truncated")
Cc: <stable@vger.kernel.org>
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-31 08:13:48 +01:00
..
acl.c f2fs: preserve i_mode if __f2fs_set_acl() fails 2017-07-28 17:48:54 -07:00
acl.h f2fs: remove dead code f2fs_check_acl 2016-09-14 16:52:36 -07:00
checkpoint.c f2fs: fix to do sanity check with cp_pack_start_sum 2018-12-05 19:41:16 +01:00
data.c f2fs: fix to do sanity check with block address in main area v2 2018-12-13 09:18:52 +01:00
debug.c f2fs: show available_nids in f2fs/status 2017-05-03 10:04:57 -07:00
dir.c f2fs: clear radix tree dirty tag of pages whose dirty flag is cleared 2017-09-11 21:32:38 -07:00
extent_cache.c f2fs: fix to check extent cache in f2fs_drop_extent_tree 2018-05-30 07:52:33 +02:00
f2fs.h f2fs: fix to do sanity check with block address in main area 2018-12-05 19:41:16 +01:00
file.c f2fs: fix to do sanity check with block address in main area 2018-12-05 19:41:16 +01:00
gc.c f2fs: fix to skip GC if type in SSA and SIT is inconsistent 2018-09-19 22:43:43 +02:00
gc.h f2fs: fix potential overflow when adjusting GC cycle 2017-08-15 10:40:14 -07:00
hash.c f2fs: check entire encrypted bigname when finding a dentry 2017-05-04 11:44:35 -04:00
inline.c f2fs: fix to wait on page writeback before updating page 2018-09-19 22:43:44 +02:00
inode.c f2fs: fix to do sanity check with block address in main area v2 2018-12-13 09:18:52 +01:00
Kconfig f2fs: add mount option to select fault injection ratio 2016-05-07 10:32:22 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:51:47 +02:00
node.c f2fs: read page index before freeing 2019-01-31 08:13:48 +01:00
node.h f2fs: simplify the way of calulating next nat address 2017-07-04 02:11:34 -07:00
recovery.c f2fs: introduce and spread verify_blkaddr 2018-12-05 19:41:15 +01:00
segment.c f2fs: introduce and spread verify_blkaddr 2018-12-05 19:41:15 +01:00
segment.h f2fs: fix to do sanity check with block address in main area 2018-12-05 19:41:16 +01:00
shrinker.c f2fs: avoid casted negative value as shrink count 2016-11-23 12:11:03 -08:00
super.c f2fs: fix validation of the block count in sanity_check_raw_super 2019-01-09 17:14:51 +01:00
sysfs.c f2fs: fix defined but not used build warnings 2018-09-19 22:43:40 +02:00
trace.c f2fs: use set_page_private marcro in f2fs_trace_pid 2017-03-24 15:10:49 -04:00
trace.h
xattr.c f2fs: avoid race in between read xattr & write xattr 2017-09-07 20:57:20 -07:00
xattr.h f2fs: guard macro variables with braces 2017-04-10 19:48:10 -07:00