kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (145)
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 26 4d09h 14d
possible deadlock in kernfs_iop_permission (2) prio:low kernfs 4 21 11h20m 28d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 1041 2h40m 28d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 44d 39d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 8 6d02h 40d
WARNING in __kernfs_new_node prio:high kernfs -1 8 45d 60d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 47d 61d PATCH [58d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 94d 78d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 syz, C error 10 74d 80d PATCH [30d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 69d 86d PATCH [22d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 23d 128d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 43d 144d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 7162 5h29m 152d 💬 1 [77d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 26 24d 171d
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 59d 182d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 34 7d05h 215d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2372 6d06h 283d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 69d 375d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1791 1h27m 377d 💬 3 [14d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 13 4d08h 383d PATCH [6h03m]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 232 1d02h 490d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8011 now 502d 💬 2 [108d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 57 22h49m 667d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 150 13d 676d 💬 1 [14d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 260d 727d 💬 1 [296d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 147 11d 803d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 103 4d05h 810d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 753 34d 830d 💬 3 [46d]
possible deadlock in kernfs_seq_start kernfs 4 syz, C done error 590 1h39m 841d 💬 8 [14d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 20d 1008d
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 513 1d04h 1124d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 664d 1368d PATCH [1152d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 643 1d16h 1742d 💬 3 [14d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 34d 30d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 4 9d01h 122d PATCH [103d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 89 14h26m 209d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1232 2h13m 982d