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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 27
Parent subsystem(s): fs (137)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: suspicious RCU usage in kernfs_put kernfs prio:high 4 1 47d 43d PATCH [37d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 19d 44d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 11 2d18h 60d
possible deadlock in kernfs_link_sibling (2) kernfs 4 4497 now 68d 💬 1 [24d]
possible deadlock in __kernfs_remove (3) kernfs 4 13 3h14m 87d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 130d 141d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 2336 2d03h 199d
possible deadlock in kernfs_add_one prio:high kernfs 4 20 16h54m 291d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1126 2h19m 293d 💬 3 [24d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 3d00h 299d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 60d 343d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 7d10h 355d PATCH [2d02h]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 126 3d13h 366d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 221 5d19h 406d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6551 45m 418d 💬 2 [24d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 15d 583d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 129 6d13h 592d 💬 1 [24d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 49 8d17h 643d PATCH [2d02h]
possible deadlock in walk_component (4) kernfs 4 C 79 176d 643d 💬 1 [212d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 138 26d 719d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 15d 726d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 648 7h10m 746d 💬 3 [24d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 411 1h10m 757d 💬 8 [118d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 39 12d 924d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 144 2d03h 925d 💬 1 [1d07h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 580d 1284d PATCH [1068d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 5d19h 1658d 💬 3 [24d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs 1 1 8d13h 4d13h
KASAN: slab-use-after-free Read in kernfs_new_node (2) kernfs 19 3 10d 8d05h
stack segment fault in kernfs_rename_ns (2) kernfs 2 1 42d 38d PATCH [19d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 59 1d00h 125d
KCSAN: data-race in set_nlink / set_nlink prio:high kernfs 6 1130 9h35m 898d