kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (142)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_permission (2) kernfs prio:low 4 9 35m 12d
possible deadlock in kernfs_remove_by_name_ns (2) kernfs prio:high 4 547 9m 12d
KASAN: slab-use-after-free Read in kernfs_get (4) kernfs prio:high actionable 19 1 28d 23d
possible deadlock in kernfs_fop_write_iter (3) kernfs prio:low 4 4 16d 24d
WARNING in __kernfs_new_node prio:high kernfs -1 8 29d 44d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 31d 45d PATCH [42d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 78d 62d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 syz, C error 10 58d 64d PATCH [14d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 53d 70d PATCH [6d21h]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 7d09h 112d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 27d 128d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6858 1h59m 136d 💬 1 [61d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 26 8d21h 155d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 43d 166d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error 33 33d 199d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 syz, C error error 3 198d 209d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2369 8d17h 267d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 53d 359d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1720 6h13m 361d 💬 3 [30d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 12 4d12h 368d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 131 10d 434d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 231 16d 474d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 7593 3h04m 486d 💬 2 [93d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 55 13d 651d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 146 1d03h 660d 💬 1 [30d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 244d 712d 💬 1 [280d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 146 2d21h 787d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 102 13d 794d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 19d 814d 💬 3 [30d]
possible deadlock in kernfs_seq_start kernfs 4 syz, C done error 500 7d03h 825d 💬 8 [61d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 4d12h 992d
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 486 1h15m 1108d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 648d 1353d PATCH [1136d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 639 1d03h 1726d 💬 3 [30d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl kernfs prio:low 1 1 18d 14d
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 76d 72d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 28d 106d PATCH [88d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 84 3d12h 193d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1211 11h21m 966d