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 4d07h 5d09h
possible deadlock in kernfs_remove_by_name_ns (2) kernfs prio:high 4 323 35m 5d17h
KASAN: slab-use-after-free Read in kernfs_get (4) kernfs prio:high actionable 19 1 21d 17d
possible deadlock in kernfs_fop_write_iter (3) kernfs prio:low 4 4 10d 17d
WARNING in __kernfs_new_node prio:high kernfs -1 8 22d 37d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 24d 38d PATCH [36d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 71d 55d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 51d 57d PATCH [7d13h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 46d 63d PATCH [1h45m]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 13h31m 105d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 20d 121d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6758 1h07m 129d 💬 1 [54d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 26 2d01h 148d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 37d 159d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 27d 192d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 191d 202d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2369 1d21h 261d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 47d 352d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1687 6h56m 354d 💬 3 [23d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 C error error 10 27d 361d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 131 3d20h 427d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 231 9d18h 467d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 7480 10m 479d 💬 2 [86d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 55 6d18h 644d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 143 9d00h 653d 💬 1 [23d]
possible deadlock in walk_component (4) kernfs 4 C 79 237d 705d 💬 1 [273d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 144 25d 780d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 102 6d22h 787d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 12d 807d 💬 3 [23d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 500 7h58m 818d 💬 8 [54d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 43 6d14h 985d
possible deadlock in lookup_slow (3) prio:low kernfs 4 C 484 4d01h 1101d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 641d 1346d PATCH [1129d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 628 17h52m 1719d 💬 3 [23d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl kernfs prio:low 1 1 11d 7d18h
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 69d 65d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 21d 99d PATCH [81d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 80 10d 186d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1204 9h05m 960d