kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (124)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_permission (2) kernfs prio:low 4 4 6d04h 7d06h
possible deadlock in kernfs_remove_by_name_ns (2) kernfs prio:high 4 370 11m 7d14h
KASAN: slab-use-after-free Read in kernfs_get (4) kernfs prio:high actionable 19 1 23d 19d
possible deadlock in kernfs_fop_write_iter (3) kernfs prio:low 4 4 11d 19d
WARNING in __kernfs_new_node prio:high kernfs -1 8 24d 39d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 26d 40d PATCH [38d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 73d 57d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 53d 59d PATCH [9d10h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 48d 65d PATCH [1d22h]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 2d10h 107d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 22d 123d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6769 44m 131d 💬 1 [56d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 26 3d22h 150d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 38d 161d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 28d 194d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 193d 204d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2369 3d18h 262d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 48d 354d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1691 10h14m 356d 💬 3 [25d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 C error error 11 18h58m 363d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 131 5d16h 429d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 231 11d 469d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 7504 2h23m 481d 💬 2 [88d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 55 8d15h 646d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 143 10d 655d 💬 1 [25d]
possible deadlock in walk_component (4) kernfs 4 C 79 239d 707d 💬 1 [275d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 144 27d 782d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 102 8d19h 789d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 14d 809d 💬 3 [25d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 500 2d04h 820d 💬 8 [56d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 43 8d11h 987d
possible deadlock in lookup_slow (3) prio:low kernfs 4 C 484 5d22h 1103d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 643d 1348d PATCH [1131d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 628 2d14h 1721d 💬 3 [25d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl kernfs prio:low 1 1 13d 9d15h
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 71d 67d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 23d 101d PATCH [83d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 82 18h16m 188d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1205 1d02h 962d