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 mm kernfs 1 syz, C error 27 3d03h 18d
possible deadlock in kernfs_iop_permission (2) prio:low kernfs 4 22 1d05h 31d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 1107 44m 31d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 47d 43d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 8 9d11h 43d
WARNING in __kernfs_new_node prio:high kernfs -1 8 48d 63d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 50d 64d PATCH [62d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 97d 82d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 syz, C error 10 77d 83d PATCH [33d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 72d 89d PATCH [26d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 26d 132d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 46d 147d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 7201 1h31m 155d 💬 1 [81d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 73 20h46m 174d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 63d 186d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 34 10d 218d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2372 9d15h 287d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 73d 378d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1799 20h09m 380d 💬 3 [18d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 13 7d18h 387d PATCH [22h08m]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 232 4d12h 493d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8048 1h39m 505d 💬 2 [112d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 60 44m 670d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 150 16d 679d 💬 1 [18d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 263d 731d 💬 1 [299d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 147 14d 806d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 23h15m 813d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 38d 833d 💬 3 [49d]
possible deadlock in kernfs_seq_start kernfs 4 syz, C done error 624 22m 844d 💬 8 [18d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 23d 1011d
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 515 21h38m 1127d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 668d 1372d PATCH [1155d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 644 3d09h 1745d 💬 3 [18d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 37d 33d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 4 12d 125d PATCH [107d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 89 3d23h 213d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1237 7h25m 986d