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 inconclusive 26 1d04h 10d
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 1 14d 10d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 6d23h 11d PATCH [132d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 16 13d 14d
possible deadlock in nvmf_dev_show prio:low kernfs 4 113 1d18h 38d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 12 6d01h 39d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs 1 syz, C error 39 2d10h 43d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 2288 7m 56d
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 17h08m 68d
WARNING in __kernfs_new_node prio:high kernfs -1 8 73d 88d
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 [50d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs prio:high 8 9 51d 156d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 11h10m 172d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 7826 42m 180d 💬 4 [17d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 37 14d 243d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2379 2d08h 311d
possible deadlock in kernfs_add_one prio:high kernfs 4 27 8d06h 403d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1937 1h59m 405d 💬 3 [12d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 16 5d04h 412d PATCH [11d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 240 7d15h 518d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8276 1d08h 530d 💬 2 [137d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 62 9d23h 695d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 171 12h16m 704d 💬 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 7d22h 831d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 25d 838d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive 753 63d 858d 💬 3 [74d]
possible deadlock in kernfs_seq_start kernfs prio:low 4 syz, C done error 824 3h35m 869d 💬 8 [12d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 48d 1036d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 syz, C inconclusive done 180 9d16h 1038d 💬 1 [12d]
possible deadlock in lookup_slow (3) prio:low kernfs nfs 4 syz, C unreliable 530 9h20m 1152d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 692d 1397d PATCH [1180d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 657 1d08h 1770d 💬 3 [12d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 62d 58d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 97 2d19h 237d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1254 9h33m 1011d