kernfs subsystem


List(s): driver-core@lists.linux.dev
Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (140)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in array_state_store kernfs 4 8 2d12h 6d16h
KASAN: slab-use-after-free Read in tasklet_action_common prio:high kernfs 19 syz, C done 1288 35m 29d PATCH [10d]
possible deadlock in location_store prio:low kernfs 4 syz, C inconclusive 26 12d 57d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 2d13h 58d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 54d 59d PATCH [179d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 34d 62d
KASAN: slab-use-after-free Write in do_bad_area prio:normal actionable driver-core kernfs 22 syz, C 9 1d12h 67d PATCH [56d]
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 64d 68d
possible deadlock in nvmf_dev_show prio:low kernfs 4 182 3d08h 86d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 55 23h33m 86d 💬 1 [32d]
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 4460 11m 104d
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 145d 162d PATCH [98d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 99d 204d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 48d 220d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 9064 now 228d 💬 4 [65d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 62d 291d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2408 10h36m 359d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2231 3h14m 453d 💬 3 [29d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 26d 459d PATCH [58d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 29d 566d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8764 1h55m 578d 💬 2 [185d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 65 15d 743d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 193 1d10h 752d 💬 1 [29d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 336d 803d 💬 1 [372d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 55d 879d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 105 4d22h 886d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 111d 906d 💬 3 [122d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 83 (+1113) 5d00h 917d 💬 8 [60d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 96d 1084d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 191 2d23h 1085d 💬 1 [5d00h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc driver-core kernfs -1 syz, C unreliable error 469 740d 1444d PATCH [1228d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 108d 1816d 💬 3 [144d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 730 17h20m 1818d 💬 3 [29d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker prio:high kernfs -1 2 19d 40d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 105 16d 285d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1291 15h08m 1058d