syzbot


kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 25
Parent subsystem(s): fs (130)
open (28):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 1 12d 8d06h
general protection fault in call_timer_fn (2) kernfs x86 mm 19 5 30d 30d
possible deadlock in kbd_event serial kernfs 4 68 15h30m 31d
possible deadlock in kernfs_node_dentry kernfs 4 1 41d 37d
INFO: rcu detected stall in hub_event (2) kernfs mm 1 C error 46 5d17h 85d
possible deadlock in kernfs_add_one kernfs 4 5 18d 100d
possible deadlock in kernfs_remove kernfs 4 C error done 91 53d 101d 💬 3 [16d]
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 43 1d15h 102d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 27 7d05h 105d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error 3 33d 108d
possible deadlock in do_page_mkwrite (3) kernfs 4 5 17d 152d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 22 1d04h 163d
INFO: task hung in sb_start_write (2) kernfs 1 61 19d 175d
possible deadlock in kernfs_fop_readdir kernfs 4 73 3d22h 214d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 2324 14m 227d 💬 2 [20d]
INFO: task hung in pipe_write (6) kernfs netfs 1 C done done 10 46d 268d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 80 5d04h 396d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 114 9d22h 400d 💬 1 [20d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 36 39d 451d
possible deadlock in walk_component (4) kernfs 4 C 73 1d09h 452d 💬 1 [20d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 126 1d02h 527d
INFO: task hung in kernfs_add_one kernfs 1 C error done 74 14d 535d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 505 2d12h 554d 💬 3 [20d]
possible deadlock in kernfs_seq_start kernfs 4 C done 145 2d03h 565d 💬 8 [113d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 30 34d 732d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 389d 1093d PATCH [876d]
INFO: rcu detected stall in kernfs_fop_release kernfs 1 C error 8 80d 1139d 💬 1 [1139d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 519 3d03h 1466d 💬 3 [20d]
moderation (4):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 1 18d 18d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (9) kernfs 6 1 22d 22d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling kernfs 6 1 50d 50d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 876 1d04h 707d