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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
INFO: rcu detected stall in cleanup_net (8) kernfs 1 C error 26 5h43m 18d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 28d 24d
INFO: task hung in do_rmdir (7) kernfs 1 C error 3 18d 28d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 55d 51d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 39d 63d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 34d 87d
possible deadlock in kernfs_add_one kernfs 4 11 17d 179d
possible deadlock in kernfs_remove kernfs 4 C error done 92 71d 180d 💬 3 [68d]
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 58d 181d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 30 61d 185d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error 5 13d 187d
possible deadlock in do_page_mkwrite (3) kernfs 4 6 51d 231d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 37d 243d
INFO: task hung in sb_start_write (2) kernfs 1 116 12d 254d
possible deadlock in kernfs_fop_readdir kernfs 4 135 2h39m 293d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 3705 2h05m 306d 💬 2 [6d09h]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 5d20h 471d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 136 15d 475d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 121 8d13h 480d 💬 1 [6d09h]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 31d 530d
possible deadlock in walk_component (4) kernfs 4 C 79 64d 531d 💬 1 [99d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 130 25d 607d
INFO: task hung in kernfs_add_one kernfs 1 C error done 76 20d 614d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 574 12d 634d 💬 3 [6d09h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 276 1d10h 645d 💬 8 [6d09h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 8d06h 812d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 102 9h13m 813d 💬 1 [6d09h]
possible deadlock in lookup_slow (3) kernfs 4 396 5d02h 928d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 468d 1172d PATCH [956d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 546 5d02h 1546d 💬 3 [6d09h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 7 17h34m 13d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 20d 20d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 3 44d 75d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 44d 98d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 955 7h47m 786d