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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 28
Parent subsystem(s): fs (136)
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 22d 6d10h
INFO: task hung in do_epoll_ctl_file kernfs prio:high 1 C error 10 2d07h 8d04h
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 2d22h 56d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 14 1d11h 72d
possible deadlock in kernfs_link_sibling (2) kernfs prio:low 4 5175 1h26m 79d 💬 1 [5d10h]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 14 6d10h 99d
INFO: task hung in do_rmdir (7) kernfs prio:high 1 C error error 3 142d 152d
possible deadlock in kernfs_unlink_sibling (2) kernfs prio:low 4 2349 11h34m 211d
possible deadlock in kernfs_add_one prio:high kernfs 4 22 3d23h 303d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1292 1h43m 304d 💬 3 [5d10h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 14d 311d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 72d 355d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 19d 367d PATCH [9d07h]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 126 15d 378d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 223 1d02h 417d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6597 1d13h 430d 💬 2 [36d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 27d 595d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 129 18d 604d 💬 1 [5d10h]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 49 20d 654d PATCH [9d07h]
possible deadlock in walk_component (4) kernfs 4 C 79 187d 655d 💬 1 [223d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 141 1d19h 731d
INFO: task hung in kernfs_add_one kernfs 1 C error done 91 1d19h 738d
WARNING in kernfs_get (5) usb kernfs prio:high -1 syz inconclusive 651 5d09h 758d 💬 3 [5d10h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 492 10h05m 769d 💬 8 [5d10h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 40 10d 936d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 147 3d21h 937d 💬 1 [13d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 592d 1296d PATCH [1079d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 606 3d11h 1670d 💬 3 [5d10h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs prio:low 1 1 20d 16d
stack segment fault in kernfs_rename_ns (2) kernfs prio:high 2 1 54d 50d PATCH [31d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs prio:low 6 64 3d02h 137d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:low 6 1144 13m 910d