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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (139)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: suspicious RCU usage in kernfs_put kernfs 4 1 42d 38d PATCH [32d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 13d 38d
possible deadlock in kernfs_iop_setattr kernfs 4 10 1d12h 54d
possible deadlock in kernfs_link_sibling (2) kernfs 4 4240 18m 62d 💬 1 [19d]
possible deadlock in __kernfs_remove (3) kernfs 4 12 16h44m 81d
INFO: rcu detected stall in cleanup_net (8) net kernfs 1 C error 30 31d 125d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 124d 135d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 2335 1d06h 193d
possible deadlock in kernfs_add_one kernfs prio:high 4 19 4d12h 285d
possible deadlock in kernfs_remove kernfs prio:high 4 C error done 1066 41m 287d 💬 3 [19d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 7 13h16m 294d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 55d 337d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 33 1d17h 349d PATCH [10h45m]
INFO: task hung in sb_start_write (2) kernfs 1 124 2d23h 360d
possible deadlock in kernfs_fop_readdir kernfs 4 221 1h48m 400d
possible deadlock in kernfs_iop_getattr kernfs prio:low 4 C done 6497 15h03m 412d 💬 2 [19d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 49 10d 577d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 129 20h35m 586d 💬 1 [19d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 49 3d00h 637d PATCH [10h45m]
possible deadlock in walk_component (4) kernfs 4 C 79 170d 638d 💬 1 [206d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 138 20d 713d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 9d15h 720d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 647 3h20m 740d 💬 3 [19d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 325 3d10h 751d 💬 8 [112d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 39 6d06h 918d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 574d 1279d PATCH [1062d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 1h59m 1652d 💬 3 [19d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_new_node (2) kernfs 19 3 4d16h 2d12h
stack segment fault in kernfs_rename_ns (2) kernfs 2 1 36d 32d PATCH [14d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 55 1d13h 119d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1121 1d02h 893d