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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (148)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in cleanup_net (8) kernfs 1 C error 26 7d07h 26d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 36d 32d
INFO: task hung in do_rmdir (7) kernfs 1 C error 3 25d 36d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 62d 58d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 46d 70d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 41d 94d
possible deadlock in kernfs_add_one kernfs 4 11 24d 186d
possible deadlock in kernfs_remove kernfs 4 C error done 92 78d 188d 💬 3 [75d]
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 65d 188d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 30 68d 192d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error 5 20d 194d
possible deadlock in do_page_mkwrite (3) kernfs 4 6 58d 238d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 44d 250d
INFO: task hung in sb_start_write (2) kernfs 1 117 11h35m 261d
possible deadlock in kernfs_fop_readdir kernfs 4 138 1d02h 301d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 3915 1h04m 313d 💬 2 [13d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 12d 478d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 136 22d 482d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 121 1d05h 487d 💬 1 [13d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 38d 538d
possible deadlock in walk_component (4) kernfs 4 C 79 71d 538d 💬 1 [107d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 131 1d19h 614d
INFO: task hung in kernfs_add_one kernfs 1 C error done 77 11h36m 621d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 574 20d 641d 💬 3 [13d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 282 16h06m 652d 💬 8 [13d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 15d 819d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 103 1d02h 820d 💬 1 [13d]
possible deadlock in lookup_slow (3) kernfs 4 401 2h40m 935d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 475d 1179d PATCH [963d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 556 2d02h 1553d 💬 3 [13d]
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 5d08h 5d08h
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 7 7d19h 20d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 27d 27d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 5d16h 82d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 52d 105d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 968 21h41m 793d