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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (137)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: suspicious RCU usage in kernfs_put kernfs 4 1 46d 42d PATCH [35d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 17d 42d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 11 20h25m 58d
possible deadlock in kernfs_link_sibling (2) kernfs 4 4382 5m 66d 💬 1 [23d]
possible deadlock in __kernfs_remove (3) kernfs 4 12 4d12h 85d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 128d 139d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 2336 5h45m 197d
possible deadlock in kernfs_add_one kernfs prio:high 4 19 8d07h 289d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1099 2h36m 291d 💬 3 [23d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm prio:high 1 C error error 8 1d02h 297d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 59d 341d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 33 5d13h 353d PATCH [5h18m]
INFO: task hung in sb_start_write (2) kernfs 1 126 1d15h 364d
possible deadlock in kernfs_fop_readdir kernfs prio:high 4 221 3d21h 404d
possible deadlock in kernfs_iop_getattr kernfs prio:low 4 C done 6531 15h20m 416d 💬 2 [23d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 49 14d 581d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 129 4d16h 590d 💬 1 [23d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 49 6d19h 641d PATCH [5h18m]
possible deadlock in walk_component (4) kernfs 4 C 79 174d 641d 💬 1 [210d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 138 24d 717d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 13d 724d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 647 3d22h 744d 💬 3 [23d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 355 1h15m 755d 💬 8 [116d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 39 10d 922d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 578d 1283d PATCH [1066d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 3d21h 1656d 💬 3 [23d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs 1 1 6d15h 2d15h
KASAN: slab-use-after-free Read in kernfs_new_node (2) kernfs 19 3 8d12h 6d08h
stack segment fault in kernfs_rename_ns (2) kernfs 2 1 40d 36d PATCH [18d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 57 2h23m 123d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:high 6 1127 1d03h 896d