kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (148)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store kernfs prio:low 4 syz, C inconclusive 26 9d02h 18d
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 1 22d 18d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 14d 19d PATCH [140d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 35 11h23m 22d
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 24d 28d
possible deadlock in nvmf_dev_show prio:low kernfs 4 115 5d04h 46d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 20 9h02m 46d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs 1 syz, C error 45 1h56m 51d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 2724 27m 64d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 80d 76d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 20 10h23m 76d
WARNING in __kernfs_new_node prio:high kernfs -1 8 81d 96d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 83d 97d PATCH [95d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 105d 122d PATCH [58d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 59d 164d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 8d09h 180d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8044 1h44m 188d 💬 4 [25d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 22d 251d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2383 13h46m 319d
possible deadlock in kernfs_add_one prio:high btrfs kernfs 4 28 3d06h 411d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1991 now 413d 💬 3 [20d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 17 10h44m 420d PATCH [18d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 240 15d 526d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8321 4h24m 538d 💬 2 [145d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 63 5d21h 703d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 173 1d20h 712d 💬 1 [20d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 296d 764d 💬 1 [332d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 15d 839d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 33d 846d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 71d 866d 💬 3 [82d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 860 7h11m 877d 💬 8 [20d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 56d 1044d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 183 2d07h 1045d 💬 1 [20d]
possible deadlock in lookup_slow (3) prio:low kernfs nfs 4 syz, C unreliable 533 1d10h 1160d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc -1 syz, C unreliable error 469 700d 1405d PATCH [1188d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 68d 1776d 💬 3 [104d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 665 5h37m 1778d 💬 3 [20d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker kernfs prio:high -1 1 4d23h 22h56m
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 70d 66d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 102 10h47m 245d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1258 1d06h 1019d