kernfs subsystem


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 location_store kernfs 4 syz, C 12 1h21m 6h49m
INFO: rcu detected stall in kernfs_fop_release (3) kernfs prio:normal 1 syz, C error 1 4d20h 20h08m
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 5 1d10h 1d10h PATCH [122d]
WARNING in generic_access_phys kernfs prio:low -1 syz, C 16 3d16h 4d12h
possible deadlock in nvmf_dev_show prio:low kernfs 4 97 2h24m 28d
possible deadlock in autofs_notify_daemon (3) prio:low kernfs 4 10 14h37m 29d
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs 1 syz, C error 31 1d18h 33d
possible deadlock in kernfs_iop_permission (2) prio:low kernfs 4 38 6h13m 46d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 1604 12m 46d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 62d 58d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 8 24d 58d
WARNING in __kernfs_new_node prio:high kernfs -1 8 63d 78d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 65d 79d PATCH [77d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 87d 104d PATCH [41d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 41d 146d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 19 2d00h 162d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 C 7467 27m 170d 💬 4 [7d17h]
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 37 4d16h 233d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2376 1d21h 302d
possible deadlock in kernfs_add_one prio:high kernfs 4 26 8d08h 393d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1861 34m 395d 💬 3 [2d07h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 15 6d03h 402d PATCH [1d03h]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 238 1d22h 508d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8187 10h46m 520d 💬 2 [127d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 62 1h37m 685d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 167 2d21h 694d 💬 1 [2d07h]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 278d 746d 💬 1 [314d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 147 29d 821d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 15d 828d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive 753 53d 848d 💬 3 [64d]
possible deadlock in kernfs_seq_start kernfs prio:low 4 syz, C done error 773 2h32m 859d 💬 8 [2d07h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 38d 1026d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 syz, C inconclusive done 179 1d06h 1028d 💬 1 [2d07h]
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 524 3d03h 1142d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 682d 1387d PATCH [1170d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 652 2d17h 1760d 💬 3 [2d07h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 52d 48d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 92 17h15m 227d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1249 1d09h 1001d