syzbot: exfat subsystem

exfat subsystem

List(s): linux-fsdevel@vger.kernel.org
Maintainer(s): linkinjeon@kernel.org, sj1557.seo@samsung.com
Fixed bugs: 44
Parent subsystem(s): fs (132)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
WARNING in fat_add_entries prio:low exfat	-1				1	52d	48d
WARNING in filename_symlinkat prio:high gfs2 exfat	-1	C			13	68d	115d
INFO: task hung in generic_file_write_iter (4) prio:high exfat	1	syz	error	error	14	7d11h	123d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	140d	139d	💬 28 [55d]
KCSAN: data-race in fat12_ent_put / fat_mirror_bhs prio:low exfat	6				67	1h16m	142d	💬 3 [43d]
WARNING in rcu_sync_dtor (2) prio:low exfat	-1	C	done		927	3d10h	589d	💬 2 [43d]
WARNING in fanotify_handle_event (2) exfat	-1	C	error		31	4d06h	593d	💬 1 [7d06h]
INFO: task hung in exfat_write_inode exfat	1	C	done	error	3316	363d	1284d	💬 4 [400d]

Title	Rank 🛈	Repro	Count	Last	Reported
KCSAN: data-race in _copy_to_iter / fat32_ent_put (7) exfat race:benign	6		1	13h59m	13h58m
KCSAN: data-race in __fat_write_inode / _copy_to_iter (4) exfat race:benign prio:low	6		1	1d14h	1d14h
KCSAN: data-race in _copy_to_iter / fat16_ent_put (9) exfat race:benign prio:high	6		1	5d07h	5d07h
KCSAN: data-race in mmb_mark_buffer_dirty / mmb_sync prio:low exfat	6		1	50d	50d
KCSAN: data-race in _copy_to_iter / fat12_ent_put (8) prio:low exfat	6		2	23d	73d
KCSAN: data-race in fat32_ent_put / fat_mirror_bhs (3) prio:low exfat	6		5	38d	140d
KCSAN: data-race in _copy_to_iter / fat_set_state (13) prio:low exfat	6		16	2d22h	228d
KCSAN: data-race in __fat_write_inode / copy_folio_from_iter_atomic (2) prio:low exfat	6		16	9d04h	270d
KCSAN: data-race in copy_folio_from_iter_atomic / fat16_ent_put prio:low exfat	6		121	27d	389d
KCSAN: data-race in fat16_ent_put / fat_mirror_bhs prio:low exfat	6		774	13d	429d
KCSAN: data-race in dont_mount / lookup_fast prio:low exfat	6	syz	993	5h29m	934d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) exfat	6	syz	978	795d	934d