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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 27
Parent subsystem(s): fs (137)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: suspicious RCU usage in kernfs_put kernfs 4 1 46d 42d PATCH [36d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 18d 43d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 11 1d10h 58d
possible deadlock in kernfs_link_sibling (2) kernfs 4 4423 17m 66d 💬 1 [23d]
possible deadlock in __kernfs_remove (3) kernfs 4 12 5d02h 86d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 129d 139d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 2336 20h02m 198d
possible deadlock in kernfs_add_one prio:high kernfs 4 19 8d21h 290d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1107 1h15m 291d 💬 3 [23d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 1d17h 298d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 59d 342d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 33 6d03h 354d PATCH [19h35m]
INFO: task hung in sb_start_write (2) kernfs 1 126 2d05h 365d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 221 4d11h 404d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6534 3h41m 417d 💬 2 [23d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm 1 syz done error 49 14d 582d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 129 5d06h 591d 💬 1 [23d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 49 7d10h 641d PATCH [19h35m]
possible deadlock in walk_component (4) kernfs 4 C 79 174d 642d 💬 1 [210d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 138 25d 717d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 14d 725d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 647 4d13h 745d 💬 3 [23d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 366 29m 756d 💬 8 [117d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 39 10d 923d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 144 20h26m 924d 💬 1 [85d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 579d 1283d PATCH [1066d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 4d11h 1657d 💬 3 [23d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs 1 1 7d05h 3d05h
KASAN: slab-use-after-free Read in kernfs_new_node (2) kernfs 19 3 9d02h 6d22h
stack segment fault in kernfs_rename_ns (2) kernfs 2 1 41d 37d PATCH [18d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 58 4h32m 124d
KCSAN: data-race in set_nlink / set_nlink prio:high kernfs 6 1128 9h52m 897d