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linux-stable/fs/f2fs
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Chao Yu ec8f4deac7 f2fs: fix potential overflow 
commit 1f0d5c911b upstream.

We expect 64-bit calculation result from below statement, however
in 32-bit machine, looped left shift operation on pgoff_t type
variable may cause overflow issue, fix it by forcing type cast.

page->index << PAGE_SHIFT;

Fixes: 26de9b1171 ("f2fs: avoid unnecessary updating inode during fsync")
Fixes: 0a2aa8fbb9 ("f2fs: refactor __exchange_data_block for speed up")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-17 19:47:13 +01:00
..
acl.c f2fs: fix wrong return value of f2fs_acl_create 2019-02-12 19:47:02 +01:00
acl.h
checkpoint.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-10-01 08:26:13 +02:00
data.c f2fs: fix potential overflow 2020-01-17 19:47:13 +01:00
debug.c f2fs: don't access node/meta inode mapping after iput 2019-07-10 09:53:45 +02:00
dir.c f2fs: check if file namelen exceeds max value 2020-01-17 19:46:56 +01:00
extent_cache.c f2fs: avoid sleeping under spin_lock 2018-11-13 11:08:37 -08:00
f2fs.h f2fs: fix to update time in lazytime mode 2020-01-04 19:12:37 +01:00
file.c f2fs: fix potential overflow 2020-01-17 19:47:13 +01:00
gc.c f2fs: fix to allow node segment for GC by ioctl path 2019-12-13 08:51:51 +01:00
gc.h f2fs: introduce sbi->gc_mode to determine the policy 2018-05-31 11:31:51 -07:00
hash.c f2fs: check entire encrypted bigname when finding a dentry 2017-05-04 11:44:35 -04:00
inline.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-10-01 08:26:13 +02:00
inode.c f2fs: fix to update time in lazytime mode 2020-01-04 19:12:37 +01:00
Kconfig fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at 2018-01-01 12:45:37 -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 f2fs: fix to update dir's i_pino during cross_rename 2020-01-04 19:12:50 +01:00
node.c f2fs: avoid infinite loop in f2fs_alloc_nid 2019-11-20 18:47:10 +01:00
node.h f2fs: let checkpoint flush dnode page of regular 2018-08-01 11:52:36 -07:00
recovery.c f2fs: mark inode dirty explicitly in recover_inode() 2019-11-20 18:47:40 +01:00
segment.c f2fs: fix to account preflush command for noflush_merge mode 2019-12-13 08:51:48 +01:00
segment.h f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-10-01 08:26:13 +02:00
shrinker.c f2fs: fix sbi->extent_list corruption issue 2019-02-12 19:47:17 +01:00
super.c f2fs: spread f2fs_set_inode_flags() 2019-12-01 09:16:55 +01:00
sysfs.c f2fs: UBSAN: set boolean value iostat_enable correctly 2019-04-05 22:33:14 +02:00
trace.c f2fs: do not use mutex lock in atomic context 2019-04-05 22:32:59 +02:00
trace.h
xattr.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-10-01 08:26:13 +02:00
xattr.h f2fs: fix to avoid accessing xattr across the boundary 2019-06-19 08:18:02 +02:00