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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 28
Parent subsystem(s): fs (139)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_new_node (2) kernfs actionable prio:high 19 3 17d 1d07h
INFO: task hung in do_epoll_ctl_file kernfs 1 C error 8 16h32m 3d00h
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 26d 51d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 13 1d07h 66d
possible deadlock in kernfs_link_sibling (2) kernfs 4 4889 8m 74d 💬 1 [7h01m]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 14 1d06h 94d
INFO: task hung in do_rmdir (7) kernfs prio:high 1 C error error 3 137d 147d
possible deadlock in kernfs_unlink_sibling (2) kernfs prio:low 4 2346 11h04m 206d
possible deadlock in kernfs_add_one prio:high kernfs 4 21 3h44m 298d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1220 1h40m 299d 💬 3 [7h01m]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 9d16h 306d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 67d 350d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 14d 362d PATCH [4d04h]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 126 10d 373d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 222 19h07m 412d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6595 17h53m 425d 💬 2 [31d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 22d 590d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 129 13d 599d 💬 1 [7h01m]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 49 15d 649d PATCH [4d04h]
possible deadlock in walk_component (4) kernfs 4 C 79 182d 650d 💬 1 [218d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 139 2d11h 725d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 22d 733d
WARNING in kernfs_get (5) usb kernfs prio:high -1 syz inconclusive 651 6h24m 753d 💬 3 [7h01m]
possible deadlock in kernfs_seq_start kernfs 4 C done error 476 1h29m 764d 💬 8 [7h01m]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 40 5d10h 931d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 146 1d23h 932d 💬 1 [7d23h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 587d 1291d PATCH [1074d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 12d 1665d 💬 3 [7h01m]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs 1 1 15d 11d
stack segment fault in kernfs_rename_ns (2) kernfs prio:high 2 1 49d 45d PATCH [26d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 62 8h30m 132d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:low 6 1136 3h25m 905d