syzbot


kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 21
Parent subsystem(s): fs (127)
open (23):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (2) kernfs 2 10d 7d02h
general protection fault in kernfs_dop_revalidate kernfs bcachefs syz 1 13d 9d00h
KASAN: slab-out-of-bounds Read in __radix_tree_delete kernfs bcachefs syz 1 13d 9d00h
possible deadlock in __kernfs_remove (2) kernfs C 807 12m 27d
WARNING: locking bug in kernfs_path_from_node kernfs C done 332 5h19m 33d PATCH [1d13h]
INFO: task hung in do_rmdir (6) kernfs jfs C error 34 1d13h 41d
possible deadlock in kernfs_fop_write_iter (2) kernfs 10 6d18h 52d
INFO: rcu detected stall in statfs (3) kernfs input usb syz 1 63d 58d
KASAN: slab-use-after-free Read in kernfs_add_one kernfs 5 2d09h 68d
possible deadlock in kernfs_path_from_node kernfs C error done 5 88d 84d
possible deadlock in mnt_want_write (4) kernfs 1 88d 84d
WARNING in kernfs_new_node (3) kernfs 8 14h32m 107d
possible deadlock in walk_component (4) kernfs 7 1d15h 108d
INFO: task hung in kernfs_dop_revalidate (4) kernfs C error 72 2d04h 183d
kernel panic: corrupted stack end in hub_event (3) kernfs 48 66d 185d
INFO: task hung in kernfs_add_one usb kernfs C error 56 1d18h 191d
WARNING in kernfs_get (5) kernfs syz inconclusive 165 2h53m 211d 💬 3 [20d]
possible deadlock in kernfs_seq_start kernfs C done 72 7d06h 222d 💬 8 [26d]
INFO: rcu detected stall in sys_close (7) bpf kernfs C error 5 44d 230d
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs C 15 37d 389d
possible deadlock in lookup_slow (3) kernfs 335 27d 504d
INFO: rcu detected stall in kernfs_fop_release kernfs usb C error 5 44d 795d 💬 1 [795d]
WARNING in kernfs_remove_by_name_ns (3) kernfs C error 297 4h46m 1123d 💬 3 [20d]
moderation (3):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (6) kernfs 1 17d 17d
KCSAN: data-race in do_select / pollwake (2) ext4 kernfs 992 1h55m 362d
KCSAN: data-race in set_nlink / set_nlink kernfs 583 16h40m 363d