kernfs subsystem


List(s): driver-core@lists.linux.dev
Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (141)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in array_state_store kernfs 4 8 3d19h 7d23h
KASAN: slab-use-after-free Read in tasklet_action_common prio:high kernfs 19 syz, C done 1295 5h23m 30d PATCH [11d]
possible deadlock in location_store prio:low kernfs 4 syz, C inconclusive 26 14d 59d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 3d21h 59d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 56d 60d PATCH [181d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 35d 63d
KASAN: slab-use-after-free Write in do_bad_area prio:normal actionable driver-core kernfs 22 syz, C 9 2d20h 69d PATCH [57d]
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 65d 69d
possible deadlock in nvmf_dev_show prio:low kernfs 4 182 4d16h 87d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 55 2d07h 88d 💬 1 [34d]
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 4544 now 105d
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 146d 163d PATCH [100d]
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 49d 221d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 9110 54m 229d 💬 4 [66d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 63d 292d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2409 22h43m 361d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2241 27m 454d 💬 3 [30d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 28d 461d PATCH [60d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 30d 567d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8770 3h20m 579d 💬 2 [186d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 65 17d 744d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 193 2d18h 753d 💬 1 [30d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 337d 805d 💬 1 [373d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 57d 880d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 105 6d06h 887d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 112d 907d 💬 3 [123d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 83 (+1115) 6d08h 918d 💬 8 [61d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 97d 1085d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 191 4d07h 1087d 💬 1 [6d07h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc driver-core kernfs -1 syz, C unreliable error 469 741d 1446d PATCH [1229d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 109d 1817d 💬 3 [145d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 731 18h45m 1819d 💬 3 [30d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker prio:high kernfs -1 2 20d 42d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 106 11h24m 286d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1292 14h01m 1060d