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 5 9h51m 8d16h
possible deadlock in kernfs_remove_by_name_ns (2) kernfs prio:high 4 398 22m 9d01h
KASAN: slab-use-after-free Read in kernfs_get (4) kernfs prio:high actionable 19 1 24d 20d
possible deadlock in kernfs_fop_write_iter (3) kernfs prio:low 4 4 13d 20d
WARNING in __kernfs_new_node prio:high kernfs -1 8 26d 41d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 27d 41d PATCH [39d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 75d 59d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 55d 61d PATCH [10d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 49d 66d PATCH [3d09h]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 3d20h 109d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 24d 124d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6774 2h24m 132d 💬 1 [58d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 26 5d08h 152d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 40d 163d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 30d 195d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 195d 205d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2369 5d04h 264d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 50d 356d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1698 2h43m 357d 💬 3 [26d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 C error error 12 23h38m 364d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 131 7d03h 431d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 231 13d 470d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 7534 2h57m 483d 💬 2 [89d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 55 10d 647d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 144 3h23m 657d 💬 1 [26d]
possible deadlock in walk_component (4) kernfs 4 C 79 240d 708d 💬 1 [276d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 145 1d06h 783d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 102 10d 791d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 15d 810d 💬 3 [26d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 500 3d15h 821d 💬 8 [58d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 44 23h36m 989d
possible deadlock in lookup_slow (3) prio:low kernfs 4 C 484 7d08h 1104d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 645d 1349d PATCH [1132d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 635 7h18m 1722d 💬 3 [26d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl kernfs prio:low 1 1 15d 11d
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 73d 69d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 24d 103d PATCH [84d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 83 22h55m 190d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1205 2d13h 963d