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 23h09m 5d03h
KASAN: slab-use-after-free Read in tasklet_action_common prio:high kernfs 19 syz, C done 1275 2h32m 27d PATCH [8d19h]
possible deadlock in location_store prio:low kernfs 4 syz, C inconclusive 26 11d 56d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 1d00h 57d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 53d 57d PATCH [178d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 32d 60d
KASAN: slab-use-after-free Write in do_bad_area prio:normal actionable driver-core kernfs 22 syz, C 8 12d 66d PATCH [54d]
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 62d 66d
possible deadlock in nvmf_dev_show prio:low kernfs 4 182 1d19h 84d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 54 47m 85d 💬 1 [31d]
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 4356 8m 102d
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 143d 160d PATCH [97d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 97d 203d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 46d 218d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 9007 9m 226d 💬 4 [63d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 60d 289d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2405 2d10h 358d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2220 5h55m 451d 💬 3 [27d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 25d 458d PATCH [57d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 27d 564d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8758 2d05h 576d 💬 2 [183d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 65 14d 741d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 192 2d08h 750d 💬 1 [27d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 334d 802d 💬 1 [370d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 54d 877d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 105 3d09h 885d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 109d 904d 💬 3 [120d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 83 (+1106) 3d11h 915d 💬 8 [58d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 94d 1082d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 191 1d11h 1084d 💬 1 [3d11h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc driver-core kernfs -1 syz, C unreliable error 469 739d 1443d PATCH [1226d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 107d 1814d 💬 3 [142d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 729 18h33m 1816d 💬 3 [27d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker prio:high kernfs -1 2 18d 39d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 105 14d 284d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1290 8h06m 1057d