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linux/fs/exfat
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Namjae Jeon 747de766f8 exfat: fix soft lockup in exfat_clear_bitmap 
[ Upstream commit 9da33619e0 ]

bitmap clear loop will take long time in __exfat_free_cluster()
if data size of file/dir enty is invalid.
If cluster bit in bitmap is already clear, stop clearing bitmap go to
out of loop.

Fixes: 31023864e6 ("exfat: add fat entry operations")
Reported-by: Kun Hu <huk23@m.fudan.edu.cn>, Jiaji Qin <jjtan24@m.fudan.edu.cn>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-03-13 12:58:32 +01:00
..
balloc.c exfat: fix soft lockup in exfat_clear_bitmap 2025-03-13 12:58:32 +01:00
cache.c exfat: fix use of uninitialized spinlock on error path 2020-10-07 14:27:13 +09:00
dir.c exfat: fix the infinite loop in exfat_readdir() 2025-01-17 13:36:10 +01:00
exfat_fs.h exfat: fix soft lockup in exfat_clear_bitmap 2025-03-13 12:58:32 +01:00
exfat_raw.h exfat: handle unreconized benign secondary entries 2023-02-27 21:14:46 +09:00
fatent.c exfat: fix soft lockup in exfat_clear_bitmap 2025-03-13 12:58:32 +01:00
file.c fs: pass the request_mask to generic_fillattr 2023-08-09 08:56:36 +02:00
inode.c exfat: convert to ctime accessor functions 2023-07-13 10:28:07 +02:00
Kconfig fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
Makefile exfat: add Kconfig and Makefile 2020-03-05 21:00:40 -05:00
misc.c exfat: Expand exfat_err() and co directly to pr_*() macro 2022-08-01 10:14:07 +09:00
namei.c exfat: fix uninit-value in __exfat_get_dentry_set 2024-12-09 10:32:45 +01:00
nls.c exfat: Drop superfluous new line for error messages 2022-08-01 10:14:07 +09:00
super.c v6.6-vfs.super 2023-08-28 11:04:18 -07:00