kernfs subsystem


List(s): driver-core@lists.linux.dev
Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (143)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in array_state_store kernfs 4 7 10h28m 4d02h
KASAN: slab-use-after-free Read in tasklet_action_common prio:high kernfs 19 syz, C done 1270 16h37m 26d PATCH [7d19h]
possible deadlock in location_store prio:low kernfs 4 syz, C inconclusive 26 10d 55d
INFO: rcu detected stall in kernfs_fop_release (3) prio:normal kernfs 1 syz, C error 2 33d 55d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 6 52d 56d PATCH [177d]
WARNING in generic_access_phys prio:low kernfs -1 syz, C 54 31d 59d
KASAN: slab-use-after-free Write in do_bad_area prio:normal actionable driver-core kernfs 22 syz, C 8 11d 65d PATCH [53d]
possible deadlock in get_from_partial_node prio:high kernfs acpica 4 2 61d 65d
possible deadlock in nvmf_dev_show prio:low kernfs 4 182 18h57m 83d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 C 51 18h59m 84d 💬 1 [30d]
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 4325 14m 101d
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 142d 159d PATCH [96d]
BUG: unable to handle kernel paging request in kernfs_rename_ns prio:high kernfs 8 9 96d 202d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 20 45d 217d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 8985 47m 225d 💬 4 [62d]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs 1 syz, C error inconclusive 37 59d 288d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2405 1d10h 357d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 2216 now 450d 💬 3 [26d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 19 24d 457d PATCH [56d]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 241 26d 563d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8758 1d05h 575d 💬 2 [182d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 65 13d 740d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 192 1d07h 749d 💬 1 [26d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 333d 801d 💬 1 [369d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 148 53d 876d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 105 2d09h 884d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive error 753 108d 903d 💬 3 [119d]
possible deadlock in kernfs_seq_start prio:low kernfs 4 syz, C done error 83 (+1098) 2d11h 914d 💬 8 [57d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 93d 1081d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 191 10h15m 1083d 💬 1 [2d10h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc driver-core kernfs -1 syz, C unreliable error 469 738d 1442d PATCH [1225d]
possible deadlock in input_event (2) kernfs 4 syz, C inconclusive error 7546 105d 1813d 💬 3 [141d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 728 1d16h 1815d 💬 3 [26d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: workqueue lockup in uhid_device_add_worker prio:high kernfs -1 2 16d 38d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 105 13d 283d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1289 20h34m 1056d