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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 28
Parent subsystem(s): fs (139)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 20d 45d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 12 1d01h 61d
possible deadlock in kernfs_link_sibling (2) kernfs 4 4570 14m 69d 💬 1 [26d]
possible deadlock in __kernfs_remove (3) kernfs 4 13 1d06h 88d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 131d 142d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 2339 15h01m 200d
possible deadlock in kernfs_add_one prio:high kernfs 4 20 1d20h 292d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1141 5h12m 294d 💬 3 [26d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 4d03h 300d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 62d 344d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 8d14h 356d PATCH [3d06h]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 126 4d16h 367d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 221 6d22h 407d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6552 19h08m 419d 💬 2 [26d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 17d 584d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 129 7d17h 593d 💬 1 [26d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 49 9d20h 644d PATCH [3d06h]
possible deadlock in walk_component (4) kernfs 4 C 79 177d 645d 💬 1 [213d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 138 27d 720d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 16d 727d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 649 7h24m 747d 💬 3 [26d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 456 38m 758d 💬 8 [119d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 39 13d 925d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 144 3d07h 926d 💬 1 [2d10h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 581d 1286d PATCH [1069d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 6d22h 1659d 💬 3 [26d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs 1 1 9d16h 5d16h
KASAN: slab-use-after-free Read in kernfs_new_node (2) kernfs 19 3 11d 9d09h
stack segment fault in kernfs_rename_ns (2) kernfs 2 1 43d 39d PATCH [21d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 59 2d03h 126d
KCSAN: data-race in set_nlink / set_nlink prio:high kernfs 6 1131 11h12m 899d