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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (126)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_permission (2) kernfs prio:low 4 4 1d06h 2d08h
possible deadlock in kernfs_remove_by_name_ns (2) kernfs prio:high 4 240 1h00m 2d16h
KASAN: slab-use-after-free Read in kernfs_get (4) kernfs prio:high actionable 19 1 18d 14d
possible deadlock in kernfs_fop_write_iter (3) kernfs prio:low 4 4 7d01h 14d
WARNING in __kernfs_new_node prio:high kernfs -1 8 19d 34d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 21d 35d PATCH [33d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 68d 52d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 48d 54d PATCH [4d12h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 43d 60d PATCH [30d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 49d 102d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 17d 118d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6713 41m 126d 💬 1 [51d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 25 5d15h 145d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 34d 156d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 24d 189d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 188d 199d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2368 1d23h 257d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 44d 349d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1675 2h20m 351d 💬 3 [20d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 C error error 10 24d 358d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 131 19h17m 424d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 231 6d17h 464d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 7336 10m 476d 💬 2 [83d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 55 3d17h 641d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 143 5d23h 650d 💬 1 [20d]
possible deadlock in walk_component (4) kernfs 4 C 79 234d 702d 💬 1 [270d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 144 22d 777d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 102 3d21h 784d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 9d06h 804d 💬 3 [20d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 500 7d02h 815d 💬 8 [51d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 43 3d14h 982d
possible deadlock in lookup_slow (3) prio:low kernfs 4 C 484 1d00h 1098d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 638d 1343d PATCH [1126d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 625 5d00h 1716d 💬 3 [20d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl kernfs 1 1 8d17h 4d17h
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 66d 62d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 18d 96d PATCH [78d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 80 7d01h 183d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1199 13h45m 957d