kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (140)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store kernfs prio:low 4 syz, C inconclusive 26 13d 22d
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 2 12h14m 23d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 19d 24d PATCH [144d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 35 5d06h 27d
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 29d 33d
possible deadlock in nvmf_dev_show prio:low kernfs 4 120 1d17h 51d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 24 3d09h 51d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 46 1d02h 55d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 2921 20m 69d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 84d 80d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 29 2d21h 81d
WARNING in __kernfs_new_node prio:high kernfs -1 8 86d 101d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 87d 102d PATCH [99d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 110d 127d PATCH [63d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 64d 169d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 13d 185d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8149 7m 193d 💬 4 [30d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 27d 256d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2385 3d08h 324d
possible deadlock in kernfs_add_one prio:high btrfs kernfs 4 28 8d01h 416d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2010 40m 418d 💬 3 [24d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 18 3d23h 424d PATCH [23d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 240 20d 531d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8323 2d02h 543d 💬 2 [149d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 64 2d13h 708d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 177 14h15m 717d 💬 1 [24d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 301d 768d 💬 1 [337d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 20d 844d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 38d 851d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 75d 871d 💬 3 [87d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 882 1h24m 882d 💬 8 [24d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 61d 1049d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 185 3d15h 1050d 💬 1 [1d06h]
possible deadlock in lookup_slow (3) prio:low kernfs nfs 4 syz, C unreliable 533 6d05h 1165d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc -1 syz, C unreliable error 469 705d 1409d PATCH [1193d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 73d 1781d 💬 3 [108d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 666 1d14h 1783d 💬 3 [24d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker kernfs prio:high -1 1 9d17h 5d17h
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 75d 71d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 104 4h50m 250d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1259 17h28m 1023d