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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 23d 7d13h
INFO: task hung in do_epoll_ctl_file kernfs prio:high 1 C error 10 3d10h 9d07h
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 4d02h 57d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 14 2d14h 73d
possible deadlock in kernfs_link_sibling (2) kernfs prio:low 4 5240 6m 81d 💬 1 [6d13h]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 15 6h27m 100d
INFO: task hung in do_rmdir (7) kernfs prio:high 1 C error error 3 143d 154d
possible deadlock in kernfs_unlink_sibling (2) kernfs prio:low 4 2349 1d14h 212d
possible deadlock in kernfs_add_one prio:high kernfs 4 22 5d02h 304d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1313 15m 305d 💬 3 [6d13h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 8 15d 312d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 73d 356d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 33 20d 368d PATCH [10d]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 129 1h46m 379d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 223 2d05h 418d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6597 2d16h 431d 💬 2 [37d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 49 28d 596d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 129 19d 605d 💬 1 [6d13h]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 49 21d 655d PATCH [10d]
possible deadlock in walk_component (4) kernfs 4 C 79 189d 656d 💬 1 [224d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 141 2d23h 732d
INFO: task hung in kernfs_add_one kernfs 1 C error done 91 2d23h 739d
WARNING in kernfs_get (5) usb kernfs prio:high -1 syz inconclusive 651 6d12h 759d 💬 3 [6d13h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 493 1h08m 770d 💬 8 [6d13h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 40 11d 937d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 149 2h05m 938d 💬 1 [14d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 593d 1297d PATCH [1081d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 606 4d14h 1671d 💬 3 [6d13h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl kernfs prio:low 1 1 21d 17d
stack segment fault in kernfs_rename_ns (2) kernfs prio:high 2 1 55d 51d PATCH [32d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs prio:low 6 64 4d05h 138d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:low 6 1145 12h42m 911d