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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 2d21h 21d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 31d 27d
INFO: task hung in do_rmdir (7) kernfs 1 C error 3 21d 31d
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 42d 66d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 37d 90d
possible deadlock in kernfs_add_one kernfs 4 11 20d 182d
possible deadlock in kernfs_remove kernfs 4 C error done 92 73d 183d 💬 3 [70d]
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 61d 183d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 30 63d 187d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error 5 16d 190d
possible deadlock in do_page_mkwrite (3) kernfs 4 6 54d 233d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 39d 245d
INFO: task hung in sb_start_write (2) kernfs 1 116 14d 257d
possible deadlock in kernfs_fop_readdir kernfs 4 136 2h43m 296d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 3765 6h08m 308d 💬 2 [9d00h]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 8d11h 473d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 136 17d 478d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 121 11d 482d 💬 1 [9d00h]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 33d 533d
possible deadlock in walk_component (4) kernfs 4 C 79 66d 534d 💬 1 [102d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 130 28d 609d
INFO: task hung in kernfs_add_one kernfs 1 C error done 76 23d 617d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 574 15d 636d 💬 3 [9d00h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 279 1h49m 647d 💬 8 [9d00h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 10d 814d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 102 3d00h 816d 💬 1 [9d00h]
possible deadlock in lookup_slow (3) kernfs 4 398 1d00h 930d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 471d 1175d PATCH [958d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 549 7h11m 1548d 💬 3 [9d00h]
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 21h22m 21h21m
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 7 3d08h 16d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 23d 23d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 1d05h 78d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 47d 100d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 960 8h01m 789d