kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (138)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store prio:low kernfs 4 syz, C inconclusive 26 17d 41d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 19d 42d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 38d 42d PATCH [163d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 17d 45d
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 47d 51d
possible deadlock in nvmf_dev_show prio:low kernfs 4 142 57m 69d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 37 2h22m 70d 💬 1 [16d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 58 18h21m 74d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 3643 41m 87d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 106d 120d PATCH [5d19h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 128d 145d PATCH [82d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 82d 188d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 31d 203d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8607 40m 211d 💬 4 [48d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 45d 274d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2395 4d11h 343d
possible deadlock in kernfs_add_one prio:high btrfs kernfs 4 38 4h23m 435d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2104 2h46m 436d 💬 3 [12d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 10d 443d PATCH [42d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 13d 549d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8615 4h22m 562d 💬 2 [168d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 64 21d 726d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 184 9d20h 735d 💬 1 [12d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 319d 787d 💬 1 [355d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 39d 862d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 57d 870d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 94d 889d 💬 3 [105d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 1031 12h16m 900d 💬 8 [43d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 79d 1067d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 187 4d17h 1069d 💬 1 [19d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc -1 syz, C unreliable error 469 724d 1428d PATCH [1211d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 92d 1799d 💬 3 [127d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 683 35m 1801d 💬 3 [12d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker kernfs prio:high -1 2 3d02h 24d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 104 18d 269d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1275 2h15m 1042d