kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (141)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in location_store kernfs prio:low 4 syz, C 24 2h54m 1d06h
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 1 5d19h 1d19h
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 5 2d09h 2d09h PATCH [123d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 16 4d16h 5d12h
possible deadlock in nvmf_dev_show prio:low kernfs 4 102 10h49m 29d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 10 1d14h 30d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs 1 syz, C error 31 2d18h 34d
possible deadlock in kernfs_iop_permission (2) prio:low kernfs 4 39 8h34m 47d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 1662 1h28m 47d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 63d 59d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 8 25d 59d
WARNING in __kernfs_new_node prio:high kernfs -1 8 64d 79d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 66d 80d PATCH [78d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 88d 105d PATCH [42d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs prio:high 8 9 42d 147d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 19 3d00h 163d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 7494 1h42m 171d 💬 4 [8d16h]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 37 5d16h 234d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2376 2d20h 303d
possible deadlock in kernfs_add_one prio:high kernfs 4 26 9d07h 394d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1868 1h34m 396d 💬 3 [3d06h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 15 7d03h 403d PATCH [2d02h]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 239 23h36m 509d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8196 4h01m 521d 💬 2 [128d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 62 1d01h 686d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 167 3d21h 695d 💬 1 [3d06h]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 279d 747d 💬 1 [315d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 147 30d 822d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 16d 829d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive 753 54d 849d 💬 3 [65d]
possible deadlock in kernfs_seq_start kernfs prio:low 4 syz, C done error 779 8h24m 860d 💬 8 [3d06h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 39d 1027d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 syz, C inconclusive done 180 18h16m 1029d 💬 1 [3d06h]
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 525 19h07m 1143d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 683d 1388d PATCH [1171d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 652 3d17h 1761d 💬 3 [3d06h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 53d 49d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 94 10h10m 228d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1249 2d09h 1002d