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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (157)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_setattr kernfs 4 2 12h08m 3d11h
possible deadlock in kernfs_link_sibling (2) kernfs 4 666 39m 11d 💬 1 [10d]
possible deadlock in __kernfs_remove (3) kernfs 4 2 29d 30d
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 6 4d17h 41d
INFO: rcu detected stall in cleanup_net (8) kernfs net 1 C error 28 14d 74d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 84d 80d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 73d 84d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 814 11m 142d
INFO: rcu detected stall in hub_event (2) usb kernfs 1 C error 459 5h17m 219d
possible deadlock in kernfs_add_one kernfs 4 15 7d05h 234d
possible deadlock in kernfs_remove kernfs 4 C error done 237 51m 236d 💬 3 [123d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 17d 243d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 4d03h 286d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 31 3d01h 298d
INFO: task hung in sb_start_write (2) kernfs 1 121 20d 309d
possible deadlock in kernfs_fop_readdir kernfs 4 197 19h11m 349d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 5303 8h22m 361d 💬 2 [30d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 46 1d09h 526d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 139 20d 530d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 126 4d16h 535d 💬 1 [30d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 42 26d 586d
possible deadlock in walk_component (4) kernfs 4 C 79 119d 587d 💬 1 [155d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 136 7d09h 662d
INFO: task hung in kernfs_add_one kernfs 1 C error done 83 21h24m 669d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 586 now 689d 💬 3 [30d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 313 1d17h 700d 💬 8 [61d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 34 19d 867d
possible deadlock in lookup_slow (3) kernfs 4 C 442 2d13h 983d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 523d 1228d PATCH [1011d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 581 8d00h 1601d 💬 3 [30d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 50d 46d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 53d 53d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 32 2d19h 68d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 53d 130d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1041 5h36m 841d