kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (144)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store kernfs prio:low 4 syz, C 24 3d21h 5d00h
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 1 9d14h 5d14h
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 1d19h 6d04h PATCH [127d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 16 8d10h 9d06h
possible deadlock in nvmf_dev_show prio:low kernfs 4 103 1d15h 33d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 12 21h55m 33d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs 1 syz, C error 35 14h35m 37d
possible deadlock in kernfs_iop_permission (2) prio:low kernfs 4 45 1h04m 51d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 1893 6m 51d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 67d 62d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 11 2d08h 63d
WARNING in __kernfs_new_node prio:high kernfs -1 8 68d 83d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 70d 84d PATCH [81d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 92d 109d PATCH [45d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs prio:high 8 9 46d 151d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 19 6d18h 167d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 7616 31m 175d 💬 4 [12d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 37 9d10h 238d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2377 1d04h 306d
possible deadlock in kernfs_add_one prio:high kernfs 4 27 3d02h 398d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1892 27m 400d 💬 3 [7d01h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 16 26m 406d PATCH [5d21h]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 240 2d11h 513d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8201 12h14m 525d 💬 2 [132d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 62 4d19h 690d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 169 1d10h 699d 💬 1 [7d01h]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 283d 750d 💬 1 [319d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 2d18h 826d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 20d 833d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive 753 58d 853d 💬 3 [69d]
possible deadlock in kernfs_seq_start kernfs prio:low 4 syz, C done error 800 15m 864d 💬 8 [7d01h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 43d 1031d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 syz, C inconclusive done 180 4d12h 1032d 💬 1 [7d01h]
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C unreliable 526 2d23h 1147d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 687d 1391d PATCH [1175d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 655 1d04h 1765d 💬 3 [7d01h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 57d 53d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 94 4d04h 232d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1252 1h08m 1005d