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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 23
Parent subsystem(s): fs (147)
open (26):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_getattr kernfs 3 20h30m 3d02h
UBSAN: shift-out-of-bounds in idr_get_free kernfs 1 45d 41d
INFO: task hung in pipe_write (6) kernfs netfs C done 10 24d 45d
UBSAN: shift-out-of-bounds in radix_tree_delete_item bcachefs kernfs C done done 3 46d 48d 💬 2 [16d]
possible deadlock in mnt_want_write (5) kernfs 1 83d 79d
INFO: task hung in __generic_file_fsync (5) kernfs C inconclusive 8 26d 91d
INFO: task hung in chmod_common (5) kernfs exfat C inconclusive 11 28d 93d
general protection fault in kernfs_dop_revalidate kernfs syz 8 30d 128d
KASAN: slab-out-of-bounds Read in __radix_tree_delete kernfs bcachefs syz 1 133d 129d
possible deadlock in __kernfs_remove (2) kernfs C 4351 2h13m 147d
INFO: task hung in do_rmdir (6) kernfs C error inconclusive 36 18d 161d
possible deadlock in kernfs_fop_write_iter (2) kernfs 29 14d 172d
INFO: rcu detected stall in statfs (3) kernfs input usb syz 1 182d 178d
KASAN: slab-use-after-free Read in kernfs_add_one kernfs 6 28d 188d
WARNING in kernfs_new_node (3) kernfs syz error 22 26d 227d
possible deadlock in walk_component (4) kernfs C 20 8d12h 228d 💬 1 [60d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs C error 98 10d 303d
INFO: task hung in kernfs_add_one kernfs C error done 60 68d 311d
WARNING in kernfs_get (5) kernfs syz inconclusive 315 1h27m 330d 💬 3 [15d]
possible deadlock in kernfs_seq_start kernfs C done 86 12d 341d 💬 8 [109d]
INFO: task hung in evict (2) kernfs btrfs squashfs C done 504 6h03m 414d
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs C 16 74d 509d
possible deadlock in lookup_slow (3) kernfs 343 20d 624d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders kernfs smc C unreliable error 469 165d 869d PATCH [652d]
INFO: rcu detected stall in kernfs_fop_release kernfs usb C error 5 164d 915d 💬 1 [915d]
WARNING in kernfs_remove_by_name_ns (3) kernfs C error 372 15h25m 1242d 💬 3 [15d]
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 20d 24d
KCSAN: data-race in set_nlink / set_nlink kernfs 676 1h35m 483d