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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 16d 1d00h
INFO: task hung in do_epoll_ctl_file kernfs 1 C error 8 9h31m 2d17h
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 25d 51d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 13 1d00h 66d
possible deadlock in kernfs_link_sibling (2) kernfs 4 4863 1h23m 74d 💬 1 [now]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 14 23h42m 93d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 136d 147d
possible deadlock in kernfs_unlink_sibling (2) kernfs prio:low 4 2346 4h03m 206d
possible deadlock in kernfs_add_one prio:high kernfs 4 20 7d01h 297d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1217 1h00m 299d 💬 3 [now]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 9d09h 306d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 67d 349d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 13d 361d PATCH [3d20h]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 126 9d21h 372d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 222 12h06m 412d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6595 10h52m 424d 💬 2 [31d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 22d 589d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 129 12d 598d 💬 1 [now]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 49 15d 649d PATCH [3d20h]
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 2d04h 725d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 21d 732d
WARNING in kernfs_get (5) usb kernfs prio:high -1 syz inconclusive 650 5d00h 752d 💬 3 [now]
possible deadlock in kernfs_seq_start kernfs 4 C done error 475 8h42m 763d 💬 8 [now]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 40 5d03h 930d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 146 1d16h 932d 💬 1 [7d16h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 586d 1291d PATCH [1074d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 12d 1664d 💬 3 [now]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs 1 1 14d 10d
stack segment fault in kernfs_rename_ns (2) kernfs prio:high 2 1 48d 44d PATCH [26d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 62 1h29m 131d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:low 6 1135 10h13m 905d