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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 28
Parent subsystem(s): fs (135)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_new_node (2) kernfs actionable prio:high 19 3 25d 10d
INFO: task hung in do_epoll_ctl_file kernfs prio:high 1 C error 10 5d22h 11d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 6d13h 60d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 14 5d01h 75d
possible deadlock in kernfs_link_sibling (2) kernfs prio:low 4 5357 13m 83d 💬 1 [9d00h]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 15 2d17h 102d
INFO: task hung in do_rmdir (7) kernfs prio:high 1 C error error 3 146d 156d
possible deadlock in kernfs_unlink_sibling (2) kernfs prio:low 4 2350 13h13m 215d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 1d04h 306d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1345 7h29m 308d 💬 3 [9d00h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 18d 315d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 76d 358d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 22d 370d PATCH [12d]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 129 2d13h 382d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 225 1d21h 421d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6608 21h36m 433d 💬 2 [40d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 31d 598d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 129 21d 607d 💬 1 [9d00h]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 49 24d 658d PATCH [12d]
possible deadlock in walk_component (4) kernfs 4 C 79 191d 659d 💬 1 [227d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 142 4h04m 734d
INFO: task hung in kernfs_add_one kernfs 1 C error done 92 21h46m 741d
WARNING in kernfs_get (5) usb kernfs prio:high -1 syz inconclusive 651 9d00h 761d 💬 3 [9d00h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 494 17h35m 772d 💬 8 [9d00h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 40 14d 939d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 152 4h55m 941d 💬 1 [16d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 596d 1300d PATCH [1083d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 606 7d02h 1673d 💬 3 [9d00h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs prio:low 1 1 23d 19d
stack segment fault in kernfs_rename_ns (2) kernfs prio:high 2 1 57d 53d PATCH [35d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs prio:low 6 64 6d17h 141d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:low 6 1150 10h46m 914d