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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (150)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in cleanup_net (8) kernfs 1 C error 26 3d17h 22d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 32d 28d
INFO: task hung in do_rmdir (7) kernfs 1 C error 3 21d 32d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 58d 54d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 43d 67d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 38d 91d
possible deadlock in kernfs_add_one kernfs 4 11 21d 182d
possible deadlock in kernfs_remove kernfs 4 C error done 92 74d 184d 💬 3 [71d]
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 61d 184d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 30 64d 188d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error 5 16d 191d
possible deadlock in do_page_mkwrite (3) kernfs 4 6 55d 234d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 40d 246d
INFO: task hung in sb_start_write (2) kernfs 1 116 15d 258d
possible deadlock in kernfs_fop_readdir kernfs 4 136 23h28m 297d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 3858 2h48m 309d 💬 2 [9d21h]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 9d08h 474d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 136 18d 478d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 121 12d 483d 💬 1 [9d21h]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 34d 534d
possible deadlock in walk_component (4) kernfs 4 C 79 67d 535d 💬 1 [103d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 130 28d 610d
INFO: task hung in kernfs_add_one kernfs 1 C error done 76 24d 617d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 574 16d 637d 💬 3 [9d21h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 280 13h36m 648d 💬 8 [9d21h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 11d 815d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 102 3d21h 817d 💬 1 [9d21h]
possible deadlock in lookup_slow (3) kernfs 4 399 6h30m 931d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 472d 1176d PATCH [959d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 551 2h13m 1549d 💬 3 [9d21h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 1d18h 1d18h
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 7 4d05h 17d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 24d 24d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 2d02h 79d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 48d 101d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 961 14h49m 790d