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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (131)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __kernfs_new_node kernfs prio:high -1 8 1d08h 16d
KASAN: slab-use-after-free Read in __kernfs_new_node kernfs prio:high actionable 19 3 2d20h 17d PATCH [14d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 50d 34d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 30d 36d PATCH [10d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 25d 41d PATCH [12d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 30d 84d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 14 29d 100d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6232 25m 107d 💬 1 [33d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 21 15h08m 127d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 5d12h 170d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 170d 180d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2362 11h42m 239d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 25d 331d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1556 11m 332d 💬 3 [2d02h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 10 6d10h 339d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 130 19d 406d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 228 5d22h 445d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6832 39m 458d 💬 2 [64d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs 1 syz done error 53 3d14h 623d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 135 8d19h 632d 💬 1 [2d02h]
possible deadlock in walk_component (4) kernfs 4 C 79 216d 683d 💬 1 [251d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 144 4d10h 759d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 100 7d14h 766d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 713 49m 786d 💬 3 [2d02h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 499 6d09h 797d 💬 8 [33d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 42 7d00h 964d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 C inconclusive done 156 2d15h 965d 💬 1 [2d02h]
possible deadlock in lookup_slow (3) prio:low kernfs btrfs 4 C 482 1h10m 1080d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 620d 1324d PATCH [1107d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 617 4d00h 1698d 💬 3 [2d02h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 48d 44d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 2h22m 78d PATCH [59d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 76 16h07m 165d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1180 21h42m 938d