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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (152)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_link_sibling (2) kernfs 4 340 6m 4d20h 💬 1 [3d22h]
possible deadlock in __kernfs_remove (3) kernfs 4 2 22d 24d
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 5 36d 35d
INFO: rcu detected stall in cleanup_net (8) net kernfs 1 C error 28 8d13h 67d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 77d 73d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 67d 77d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 389 29m 136d
possible deadlock in kernfs_add_one kernfs 4 15 19h46m 228d
possible deadlock in kernfs_remove kernfs 4 C error done 160 2h08m 229d 💬 3 [117d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error error 6 11d 236d
possible deadlock in do_page_mkwrite (3) kernfs 4 8 9d10h 280d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 30 17d 292d
INFO: task hung in sb_start_write (2) kernfs 1 121 13d 303d
possible deadlock in kernfs_fop_readdir kernfs 4 184 6h06m 342d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 5039 11h01m 355d 💬 2 [24d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 45 12d 520d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 139 13d 524d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 125 9d19h 529d 💬 1 [24d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 42 19d 579d
possible deadlock in walk_component (4) kernfs 4 C 79 112d 580d 💬 1 [148d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 136 23h10m 656d
INFO: task hung in kernfs_add_one kernfs 1 C error done 82 22d 663d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 581 19d 683d 💬 3 [24d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 307 2d15h 694d 💬 8 [55d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 34 13d 861d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 119 3d07h 862d 💬 1 [24d]
possible deadlock in lookup_slow (3) kernfs 4 C 439 10h36m 977d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 517d 1221d PATCH [1004d]
INFO: task hung in walk_component (5) kernfs fuse 1 C inconclusive error 133 165d 1308d 💬 2 [522d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 581 1d14h 1595d 💬 3 [24d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 43d 39d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 47d 47d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 28 2d07h 62d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 47d 124d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1030 2h25m 835d