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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (128)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __kernfs_new_node kernfs prio:high -1 8 2d16h 17d
KASAN: slab-use-after-free Read in __kernfs_new_node kernfs prio:high actionable 19 3 4d04h 18d PATCH [15d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 51d 35d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 31d 37d PATCH [11d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 26d 43d PATCH [13d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 32d 85d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 15h29m 101d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6307 37m 109d 💬 1 [34d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 22 15h33m 128d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 6d21h 172d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 171d 182d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2362 1d20h 240d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 26d 332d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1586 1h26m 334d 💬 3 [3d11h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 10 7d18h 341d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 130 20d 407d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 228 7d06h 447d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6884 58m 459d 💬 2 [66d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs 1 syz done error 53 4d23h 624d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 137 now 633d 💬 1 [3d11h]
possible deadlock in walk_component (4) kernfs 4 C 79 217d 685d 💬 1 [253d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 144 5d18h 760d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 100 8d23h 767d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 717 5h22m 787d 💬 3 [3d11h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 499 7d17h 798d 💬 8 [34d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 42 8d08h 965d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 C inconclusive done 156 3d23h 966d 💬 1 [3d11h]
possible deadlock in lookup_slow (3) prio:low kernfs btrfs 4 C 482 1d09h 1081d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 621d 1326d PATCH [1109d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 619 17h23m 1699d 💬 3 [3d11h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 49d 45d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 1d10h 79d PATCH [61d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 76 2d00h 166d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1181 8h43m 939d