kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (124)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_permission (2) kernfs prio:low 4 4 5d19h 6d21h
possible deadlock in kernfs_remove_by_name_ns (2) kernfs prio:high 4 364 now 7d05h
KASAN: slab-use-after-free Read in kernfs_get (4) kernfs prio:high actionable 19 1 22d 18d
possible deadlock in kernfs_fop_write_iter (3) kernfs prio:low 4 4 11d 19d
WARNING in __kernfs_new_node prio:high kernfs -1 8 24d 39d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 25d 40d PATCH [37d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 73d 57d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 53d 59d PATCH [9d01h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 48d 64d PATCH [1d13h]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 2d01h 107d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 22d 123d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6766 4h06m 130d 💬 1 [56d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 26 3d13h 150d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 38d 161d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 28d 193d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 193d 203d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2369 3d09h 262d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 48d 354d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1691 1h25m 355d 💬 3 [25d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 C error error 11 10h09m 362d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 131 5d08h 429d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 231 11d 468d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 7481 1d09h 481d 💬 2 [87d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 55 8d06h 646d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 143 10d 655d 💬 1 [25d]
possible deadlock in walk_component (4) kernfs 4 C 79 239d 706d 💬 1 [274d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 144 27d 782d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 102 8d10h 789d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 13d 809d 💬 3 [25d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 500 1d19h 820d 💬 8 [56d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 43 8d02h 987d
possible deadlock in lookup_slow (3) prio:low kernfs 4 C 484 5d13h 1103d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 643d 1347d PATCH [1131d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 628 2d05h 1721d 💬 3 [25d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl kernfs prio:low 1 1 13d 9d06h
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 71d 67d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 23d 101d PATCH [82d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 82 9h27m 188d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1205 17h58m 961d