kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (145)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store kernfs prio:low 4 syz, C inconclusive 26 1d14h 10d
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 1 15d 11d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 7d08h 11d PATCH [132d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 18 6h25m 14d
possible deadlock in nvmf_dev_show prio:low kernfs 4 114 1h16m 38d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 12 6d11h 39d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs 1 syz, C error 40 3h17m 43d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 2325 12m 57d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 72d 68d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 12 1d02h 68d
WARNING in __kernfs_new_node prio:high kernfs -1 8 74d 89d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 75d 89d PATCH [87d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 97d 114d PATCH [51d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs prio:high 8 9 51d 157d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 20h52m 172d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 7837 48m 180d 💬 4 [18d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 37 15d 243d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2379 2d18h 312d
possible deadlock in kernfs_add_one prio:high kernfs 4 27 8d15h 404d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1945 3h00m 405d 💬 3 [12d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 16 5d14h 412d PATCH [11d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 240 8d00h 518d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8277 54m 531d 💬 2 [137d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 62 10d 696d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 171 21h57m 705d 💬 1 [12d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 288d 756d 💬 1 [324d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 8d08h 831d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 26d 839d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive 753 63d 859d 💬 3 [74d]
possible deadlock in kernfs_seq_start kernfs prio:low 4 syz, C done error 825 1h21m 870d 💬 8 [12d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 49d 1037d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 syz, C inconclusive done 180 10d 1038d 💬 1 [12d]
possible deadlock in lookup_slow (3) prio:low kernfs nfs 4 syz, C unreliable 531 9h06m 1152d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 693d 1397d PATCH [1180d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 657 1d17h 1771d 💬 3 [12d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 63d 59d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 97 3d05h 238d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1254 19h14m 1011d