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linux-stable/fs/f2fs
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Chao Yu 382e63a560 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 19:49:02 +01:00
..
acl.c f2fs: Replace spaces with tab 2019-05-08 21:23:11 -07:00
acl.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
checkpoint.c f2fs: add a rw_sem to cover quota flag changes 2019-07-02 15:40:41 -07:00
data.c f2fs: fix potential overflow 2020-01-17 19:49:02 +01:00
debug.c fs: f2fs: Remove unnecessary checks of SM_I(sbi) in update_general_status() 2019-08-23 07:57:12 -07:00
dir.c f2fs: fix to avoid accessing uninitialized field of inode page in is_alive() 2019-09-16 08:38:26 -07:00
extent_cache.c f2fs: introduce f2fs_<level> macros to wrap f2fs_printk() 2019-07-02 15:40:40 -07:00
f2fs.h f2fs: Fix deadlock in f2fs_gc() context during atomic files handling 2020-01-04 19:18:18 +01:00
file.c f2fs: fix potential overflow 2020-01-17 19:49:02 +01:00
gc.c f2fs: Fix indefinite loop in f2fs_gc() 2019-09-09 13:06:11 +01:00
gc.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
hash.c f2fs: Support case-insensitive file name lookups 2019-08-23 07:57:13 -07:00
inline.c f2fs: fix to avoid accessing uninitialized field of inode page in is_alive() 2019-09-16 08:38:26 -07:00
inode.c f2fs: fix to update time in lazytime mode 2020-01-04 19:16:31 +01:00
Kconfig f2fs: Add a small clarification to CONFIG_FS_F2FS_FS_SECURITY 2019-09-16 08:38:48 -07:00
Makefile f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00
namei.c f2fs: fix to update dir's i_pino during cross_rename 2020-01-04 19:17:18 +01:00
node.c f2fs: fix flushing node pages when checkpoint is disabled 2019-09-06 16:18:26 -07:00
node.h f2fs: check PageWriteback flag for ordered case 2018-12-26 15:16:56 -08:00
recovery.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
segment.c f2fs: Fix deadlock in f2fs_gc() context during atomic files handling 2020-01-04 19:18:18 +01:00
segment.h f2fs: enhance f2fs_is_checkpoint_ready()'s readability 2019-09-06 16:18:26 -07:00
shrinker.c f2fs: fix sbi->extent_list corruption issue 2018-12-26 15:16:54 -08:00
super.c f2fs-for-5.4-rc1 2019-09-21 14:26:33 -07:00
sysfs.c f2fs-for-5.4-rc1 2019-09-21 14:26:33 -07:00
trace.c f2fs: do not use mutex lock in atomic context 2019-03-05 19:58:06 -08:00
trace.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
verity.c f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00
xattr.c f2fs: enhance f2fs_is_checkpoint_ready()'s readability 2019-09-06 16:18:26 -07:00
xattr.h f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00