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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (154)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_setattr kernfs 4 2 4d11h 7d10h
possible deadlock in kernfs_link_sibling (2) kernfs 4 938 13m 15d 💬 1 [14d]
possible deadlock in __kernfs_remove (3) kernfs 4 2 33d 34d
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 6 8d16h 45d
INFO: rcu detected stall in cleanup_net (8) kernfs net 1 C error 28 18d 78d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 88d 84d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 77d 88d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 1168 20m 146d
INFO: rcu detected stall in hub_event (2) usb kernfs 1 C error 460 3d19h 223d
possible deadlock in kernfs_add_one kernfs 4 16 1d07h 238d
possible deadlock in kernfs_remove kernfs 4 C error done 323 12m 240d 💬 3 [1d15h]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 21d 246d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 8d02h 290d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 31 7d01h 302d
INFO: task hung in sb_start_write (2) kernfs 1 121 24d 313d
possible deadlock in kernfs_fop_readdir kernfs 4 200 15h38m 353d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 5572 1h09m 365d 💬 2 [1d15h]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 46 5d08h 530d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 139 24d 534d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 127 8h35m 539d 💬 1 [34d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 42 30d 590d
possible deadlock in walk_component (4) kernfs 4 C 79 123d 591d 💬 1 [159d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 136 11d 666d
INFO: task hung in kernfs_add_one kernfs 1 C error done 84 2d05h 673d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 586 3d23h 693d 💬 3 [1d15h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 313 5d17h 704d 💬 8 [65d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 34 23d 871d
possible deadlock in lookup_slow (3) kernfs 4 C 442 6d12h 987d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 527d 1232d PATCH [1015d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 582 1d13h 1605d 💬 3 [1d15h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 54d 50d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 35 11h35m 72d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 57d 134d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1048 39m 845d