kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (143)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store kernfs prio:low 4 syz, C inconclusive 26 18h46m 25d
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 2 2d18h 25d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 21d 26d PATCH [147d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 54 1d10h 29d
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 31d 35d
possible deadlock in nvmf_dev_show prio:low kernfs 4 127 10h50m 53d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 27 1h50m 54d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 46 3d08h 58d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 3048 now 71d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 87d 83d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 29 5d03h 83d
WARNING in __kernfs_new_node prio:high kernfs -1 8 88d 103d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 90d 104d PATCH [18h16m]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 112d 129d PATCH [65d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 66d 171d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 15d 187d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8227 1h19m 195d 💬 4 [32d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 29d 258d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2388 7h06m 326d
possible deadlock in kernfs_add_one prio:high btrfs kernfs 4 28 10d 418d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2029 1h44m 420d 💬 3 [27d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 18 6d05h 427d PATCH [26d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 240 22d 533d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8324 1d00h 545d 💬 2 [152d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 64 4d19h 710d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 179 5h53m 719d 💬 1 [27d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 303d 771d 💬 1 [339d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 22d 846d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 40d 853d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 78d 873d 💬 3 [89d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 895 8h11m 884d 💬 8 [27d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 63d 1051d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 185 5d21h 1053d 💬 1 [3d12h]
possible deadlock in lookup_slow (3) prio:low kernfs nfs 4 syz, C unreliable 926 now 1167d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc -1 syz, C unreliable error 469 707d 1412d PATCH [1195d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 75d 1783d 💬 3 [111d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 672 1d01h 1785d 💬 3 [27d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker kernfs prio:high -1 1 12d 7d23h
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 77d 73d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 104 2d10h 252d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1261 1d02h 1026d