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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (151)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 5 7d19h 6d23h
INFO: rcu detected stall in cleanup_net (8) net kernfs 1 C error 27 2d16h 39d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 49d 45d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 39d 49d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 75d 71d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 55d 108d
possible deadlock in kernfs_add_one kernfs 4 11 38d 199d
possible deadlock in kernfs_remove kernfs 4 C error done 92 91d 201d 💬 3 [88d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error error 5 33d 208d
possible deadlock in do_page_mkwrite (3) kernfs 4 7 3d02h 251d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 57d 263d
INFO: task hung in sb_start_write (2) kernfs 1 118 5d03h 275d
possible deadlock in kernfs_fop_readdir kernfs 4 140 1d13h 314d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 4261 20h10m 326d 💬 2 [26d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 26d 491d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 138 12d 495d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 122 5d13h 500d 💬 1 [26d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 51d 551d
possible deadlock in walk_component (4) kernfs 4 C 79 84d 552d 💬 1 [120d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 133 4d03h 627d
INFO: task hung in kernfs_add_one kernfs 1 C error done 80 3d11h 634d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 576 9d23h 654d 💬 3 [26d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 292 8h20m 665d 💬 8 [26d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 28d 832d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 106 1d22h 834d 💬 1 [26d]
possible deadlock in lookup_slow (3) kernfs 4 412 1d19h 948d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 489d 1193d PATCH [976d]
INFO: task hung in walk_component (5) kernfs fuse 1 C inconclusive error 133 136d 1279d 💬 2 [494d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 569 7h53m 1566d 💬 3 [26d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 15d 11d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 18d 18d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 12 5d07h 34d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 41d 41d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 19d 96d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 991 3h48m 807d