kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (138)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store prio:low kernfs 4 syz, C inconclusive 26 15d 39d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 16d 39d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 36d 40d PATCH [161d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 15d 43d
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 45d 49d
possible deadlock in nvmf_dev_show prio:low kernfs 4 139 1h24m 67d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 35 4h58m 68d 💬 1 [14d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 57 1d20h 72d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 3554 6m 85d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 104d 118d PATCH [3d16h]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 126d 143d PATCH [80d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 80d 186d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 29d 201d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8553 2h46m 209d 💬 4 [46d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 43d 272d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2395 2d07h 341d
possible deadlock in kernfs_add_one prio:high btrfs kernfs 4 36 1d04h 432d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2094 1h52m 434d 💬 3 [10d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 8d02h 441d PATCH [40d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 10d 547d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8582 1d05h 559d 💬 2 [166d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 64 19d 724d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 184 7d17h 733d 💬 1 [10d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 317d 785d 💬 1 [353d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 37d 860d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 54d 868d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 92d 887d 💬 3 [103d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 1022 8h35m 898d 💬 8 [41d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 77d 1065d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 187 2d14h 1067d 💬 1 [17d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc -1 syz, C unreliable error 469 722d 1426d PATCH [1209d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 89d 1797d 💬 3 [125d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 679 4d21h 1799d 💬 3 [10d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker kernfs prio:high -1 2 23h00m 22d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 104 16d 267d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1274 14h10m 1040d