kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (148)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs 1 syz, C error 28 7d18h 27d
possible deadlock in kernfs_iop_permission (2) prio:low kernfs 4 32 1d18h 40d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 1374 15m 40d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 56d 52d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 8 18d 52d
WARNING in __kernfs_new_node prio:high kernfs -1 8 57d 72d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 59d 73d PATCH [71d]
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 syz, C error 10 86d 92d PATCH [42d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 81d 98d PATCH [35d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 35d 140d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 17 15h51m 156d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 7356 1h16m 164d 💬 4 [1d16h]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 36 2d10h 227d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2374 1d08h 295d
possible deadlock in kernfs_add_one prio:high kernfs 4 26 2d06h 387d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1830 1h22m 389d 💬 3 [27d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 15 2h42m 396d PATCH [4d07h]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 237 9h09m 502d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8104 12h38m 514d 💬 2 [121d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 60 8d21h 679d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 158 8h05m 688d 💬 1 [27d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 272d 740d 💬 1 [308d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 147 23d 815d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 9d19h 822d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive 753 47d 842d 💬 3 [58d]
possible deadlock in kernfs_seq_start kernfs 4 syz, C done error 727 10h57m 853d 💬 8 [27d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 32d 1020d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 syz, C inconclusive done 178 1d00h 1022d 💬 1 [34d]
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 519 18h23m 1136d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 676d 1381d PATCH [1164d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 646 2d19h 1754d 💬 3 [27d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 46d 42d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 4 21d 134d PATCH [116d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 90 2d05h 221d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1245 1d23h 995d