kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (139)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store prio:low kernfs 4 syz, C inconclusive 26 9d16h 34d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 11d 34d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 30d 35d PATCH [156d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 10d 38d
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 40d 44d
possible deadlock in nvmf_dev_show prio:low kernfs 4 134 1d13h 62d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 29 5d20h 62d 💬 1 [8d19h]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 54 39m 66d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 3388 35m 80d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 96d 91d
WARNING in __kernfs_new_node prio:high kernfs -1 8 97d 112d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 99d 113d PATCH [9d15h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 121d 138d PATCH [74d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 75d 180d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 24d 196d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8443 1h31m 204d 💬 4 [41d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 38d 267d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2394 26m 335d
possible deadlock in kernfs_add_one prio:high btrfs kernfs 4 33 1d04h 427d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2070 1h09m 429d 💬 3 [5d02h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 2d18h 435d PATCH [34d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 5d13h 542d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8494 4h17m 554d 💬 2 [161d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 64 13d 719d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 184 2d09h 728d 💬 1 [5d02h]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 312d 780d 💬 1 [348d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 31d 855d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 49d 862d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 87d 882d 💬 3 [98d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 963 2h02m 893d 💬 8 [36d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 72d 1060d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 186 3d02h 1061d 💬 1 [12d]
possible deadlock in lookup_slow (3) prio:low kernfs nfs 4 syz, C unreliable 5688 now 1176d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc -1 syz, C unreliable error 469 716d 1421d PATCH [1204d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 84d 1792d 💬 3 [120d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 678 1d13h 1794d 💬 3 [5d02h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker kernfs prio:high -1 1 20d 16d
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 86d 82d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 104 11d 261d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1269 1d06h 1034d