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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 22
Parent subsystem(s): fs (149)
open (24):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: suspicious RCU usage in kernfs_node_dentry kernfs C done 285 1h33m 3d14h PATCH [15h42m]
UBSAN: shift-out-of-bounds in radix_tree_delete_item kernfs bcachefs C done 3 5d11h 7d04h 💬 2 [6d08h]
possible deadlock in mnt_want_write (5) kernfs 1 42d 38d
INFO: task hung in __generic_file_fsync (5) kernfs C inconclusive 8 15d 49d
INFO: task hung in chmod_common (5) kernfs exfat C inconclusive 11 17d 52d
KASAN: slab-use-after-free Read in kernfs_get (2) kernfs 2 89d 85d
general protection fault in kernfs_dop_revalidate kernfs syz 5 12d 87d
KASAN: slab-out-of-bounds Read in __radix_tree_delete kernfs bcachefs syz 1 91d 87d
possible deadlock in __kernfs_remove (2) kernfs C 3038 13m 105d
INFO: task hung in do_rmdir (6) kernfs C error inconclusive 35 75d 119d
possible deadlock in kernfs_fop_write_iter (2) kernfs 24 4d08h 130d
INFO: task hung in fdget_pos kernfs bcachefs exfat C inconclusive 87 17d 135d
INFO: rcu detected stall in statfs (3) kernfs input usb syz 1 141d 137d
KASAN: slab-use-after-free Read in kernfs_add_one kernfs 5 80d 147d
WARNING in kernfs_new_node (3) kernfs 21 3d13h 186d
possible deadlock in walk_component (4) kernfs C 15 9d17h 187d 💬 1 [18d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs C error 93 8h47m 262d
INFO: task hung in kernfs_add_one usb kernfs C error 60 26d 269d
WARNING in kernfs_get (5) kernfs syz inconclusive 278 19h08m 289d 💬 3 [5d02h]
possible deadlock in kernfs_seq_start kernfs C done 79 32m 300d 💬 8 [67d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs C 16 33d 467d
possible deadlock in lookup_slow (3) kernfs 342 8d06h 583d
INFO: rcu detected stall in kernfs_fop_release kernfs usb C error 5 123d 874d 💬 1 [874d]
WARNING in kernfs_remove_by_name_ns (3) kernfs C error 349 3d23h 1201d 💬 3 [5d02h]
moderation (2):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts kernfs 1 17d 17d
KCSAN: data-race in set_nlink / set_nlink kernfs 649 20h50m 442d