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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 28
Parent subsystem(s): fs (138)
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 17d 1d17h
INFO: task hung in do_epoll_ctl_file kernfs 1 C error 9 7h11m 3d11h
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 7 26d 51d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 13 1d18h 67d
possible deadlock in kernfs_link_sibling (2) kernfs prio:low 4 4927 now 75d 💬 1 [17h36m]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 14 1d17h 94d
INFO: task hung in do_rmdir (7) kernfs prio:high 1 C error error 3 137d 148d
possible deadlock in kernfs_unlink_sibling (2) kernfs prio:low 4 2346 21h38m 206d
possible deadlock in kernfs_add_one prio:high kernfs 4 21 14h18m 298d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1228 now 300d 💬 3 [17h36m]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 10d 306d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 68d 350d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 14d 362d PATCH [4d14h]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 126 10d 373d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 222 1d05h 413d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6595 1d04h 425d 💬 2 [32d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 23d 590d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 129 13d 599d 💬 1 [17h36m]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 49 15d 650d PATCH [4d14h]
possible deadlock in walk_component (4) kernfs 4 C 79 183d 650d 💬 1 [219d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 139 2d22h 726d
INFO: task hung in kernfs_add_one kernfs 1 C error done 90 22d 733d
WARNING in kernfs_get (5) usb kernfs prio:high -1 syz inconclusive 651 16h59m 753d 💬 3 [17h36m]
possible deadlock in kernfs_seq_start kernfs 4 C done error 479 2h56m 764d 💬 8 [17h36m]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 40 5d21h 931d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 146 2d10h 932d 💬 1 [8d09h]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 587d 1291d PATCH [1075d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 605 12d 1665d 💬 3 [17h36m]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs 1 1 15d 11d
stack segment fault in kernfs_rename_ns (2) kernfs prio:high 2 1 49d 45d PATCH [27d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 62 19h04m 132d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:low 6 1137 2h21m 905d