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 15d 40d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 17d 40d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 37d 41d PATCH [162d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 16d 44d
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 46d 50d
possible deadlock in nvmf_dev_show prio:low kernfs 4 139 22h14m 68d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 36 4h25m 69d 💬 1 [15d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 57 2d17h 73d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 3584 5m 86d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 105d 119d PATCH [4d13h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 127d 144d PATCH [81d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 81d 186d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 30d 202d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8572 19m 210d 💬 4 [47d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 44d 273d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2395 3d04h 342d
possible deadlock in kernfs_add_one prio:high btrfs kernfs 4 37 8h59m 433d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2100 50m 435d 💬 3 [11d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 8d23h 442d PATCH [41d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 11d 548d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8582 2d01h 560d 💬 2 [167d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 64 19d 725d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 184 8d14h 734d 💬 1 [11d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 318d 786d 💬 1 [354d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 38d 861d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 55d 868d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 93d 888d 💬 3 [104d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 1025 1h26m 899d 💬 8 [42d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 78d 1066d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 187 3d11h 1068d 💬 1 [18d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc -1 syz, C unreliable error 469 722d 1427d PATCH [1210d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 90d 1798d 💬 3 [126d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 679 5d18h 1800d 💬 3 [11d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker kernfs prio:high -1 2 1d19h 23d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 104 17d 267d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1274 1d11h 1041d