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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (147)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in cleanup_net (8) kernfs 1 C error 26 12d 30d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 40d 36d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 30d 40d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 67d 63d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 51d 75d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 46d 99d
possible deadlock in kernfs_add_one kernfs 4 11 29d 191d
possible deadlock in kernfs_remove kernfs 4 C error done 92 82d 192d 💬 3 [80d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error 5 25d 199d
possible deadlock in do_page_mkwrite (3) kernfs 4 6 63d 243d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 49d 255d
INFO: task hung in sb_start_write (2) kernfs 1 117 5d07h 266d
possible deadlock in kernfs_fop_readdir kernfs 4 138 5d22h 305d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 4039 1h43m 318d 💬 2 [18d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 17d 483d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 138 3d16h 487d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 121 6d00h 492d 💬 1 [18d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 43d 542d
possible deadlock in walk_component (4) kernfs 4 C 79 75d 543d 💬 1 [111d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 131 6d15h 619d
INFO: task hung in kernfs_add_one kernfs 1 C error done 77 5d07h 626d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 576 1d09h 646d 💬 3 [18d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 285 1d21h 657d 💬 8 [18d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 20d 824d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 103 5d22h 825d 💬 1 [18d]
possible deadlock in lookup_slow (3) kernfs 4 404 3d08h 940d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 480d 1184d PATCH [967d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 565 11h49m 1558d 💬 3 [18d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 6d21h 2d21h
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 10d 10d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 9 1d10h 25d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 32d 32d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 10d 87d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 977 41m 798d