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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 23
Parent subsystem(s): fs (139)
open (28):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_fop_readdir kernfs 1 7d06h 3d06h
KMSAN: uninit-value in __kernfs_remove kernfs 1 15d 11d
possible deadlock in kernfs_iop_getattr kernfs C 9 9h04m 15d
UBSAN: shift-out-of-bounds in idr_get_free kernfs 1 57d 53d
INFO: task hung in pipe_write (6) kernfs netfs C done 10 5d10h 57d
UBSAN: shift-out-of-bounds in radix_tree_delete_item bcachefs kernfs C done done 3 59d 61d 💬 2 [28d]
possible deadlock in mnt_want_write (5) kernfs 1 96d 92d
INFO: task hung in __generic_file_fsync (5) kernfs C inconclusive done 8 39d 103d 💬 1 [2d14h]
INFO: task hung in chmod_common (5) kernfs exfat C inconclusive error 11 40d 106d
general protection fault in kernfs_dop_revalidate kernfs syz 8 42d 141d
KASAN: slab-out-of-bounds Read in __radix_tree_delete kernfs bcachefs syz 1 145d 141d
possible deadlock in __kernfs_remove (2) kernfs C 4819 6m 159d
INFO: task hung in do_rmdir (6) kernfs C error inconclusive 37 9d18h 173d
possible deadlock in kernfs_fop_write_iter (2) kernfs 29 27d 184d
INFO: rcu detected stall in statfs (3) kernfs input usb syz 1 195d 191d
KASAN: slab-use-after-free Read in kernfs_add_one kernfs 6 40d 201d
WARNING in kernfs_new_node (3) kernfs syz error error 22 39d 240d
possible deadlock in walk_component (4) kernfs C 20 21d 241d 💬 1 [72d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs C error 101 3d12h 316d
INFO: task hung in kernfs_add_one kernfs C error done 62 4d23h 323d
WARNING in kernfs_get (5) kernfs syz inconclusive 322 1h24m 343d 💬 3 [28d]
possible deadlock in kernfs_seq_start kernfs C done 86 11d 354d 💬 8 [121d]
INFO: task hung in evict (2) kernfs btrfs squashfs C done 603 1d03h 427d
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs C 16 87d 521d
possible deadlock in lookup_slow (3) kernfs 343 33d 637d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc C unreliable error 469 177d 882d PATCH [665d]
INFO: rcu detected stall in kernfs_fop_release kernfs usb C error 5 177d 928d 💬 1 [928d]
WARNING in kernfs_remove_by_name_ns (3) kernfs C error 377 2d01h 1255d 💬 3 [28d]
moderation (2):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (7) kernfs 2 33d 37d
KCSAN: data-race in set_nlink / set_nlink kernfs 689 2d13h 496d