kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (140)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_permission (2) kernfs prio:low 4 8 2h02m 11d
possible deadlock in kernfs_remove_by_name_ns (2) kernfs prio:high 4 520 33m 11d
KASAN: slab-use-after-free Read in kernfs_get (4) kernfs prio:high actionable 19 1 27d 23d
possible deadlock in kernfs_fop_write_iter (3) kernfs prio:low 4 4 16d 23d
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 30d 44d PATCH [42d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 77d 62d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 syz, C error 10 58d 63d PATCH [13d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 52d 69d PATCH [6d07h]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 6d19h 112d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 27d 127d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6846 now 135d 💬 1 [61d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 26 8d07h 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 198d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 syz, C error error 3 198d 208d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2369 8d03h 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 1716 now 360d 💬 3 [29d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 12 3d22h 367d
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 473d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 7590 6h35m 486d 💬 2 [92d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 55 12d 650d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 146 13h23m 659d 💬 1 [29d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 243d 711d 💬 1 [279d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 146 2d07h 786d
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 18d 813d 💬 3 [29d]
possible deadlock in kernfs_seq_start kernfs 4 syz, C done error 500 6d13h 824d 💬 8 [61d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 3d22h 991d
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 484 10d 1107d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 648d 1352d PATCH [1135d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 639 13h51m 1725d 💬 3 [29d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl kernfs prio:low 1 1 18d 13d
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 27d 106d PATCH [87d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 84 2d22h 193d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1210 3h38m 966d