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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 31
Parent subsystem(s): fs (132)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __kernfs_new_node kernfs prio:high -1 8 5d04h 20d
KASAN: slab-use-after-free Read in __kernfs_new_node kernfs prio:high actionable 19 3 6d15h 20d PATCH [18d]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 54d 38d
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 C error 10 34d 40d PATCH [14d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 28d 45d PATCH [16d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 34d 88d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 3d02h 103d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 6420 14m 111d 💬 1 [37d]
possible deadlock in __kernfs_remove (3) prio:high kernfs 4 23 2d00h 131d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 33 9d08h 174d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 174d 184d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2364 1d10h 243d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 29d 335d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1618 4h07m 336d 💬 3 [5d22h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 10 10d 343d
INFO: task hung in sb_start_write (2) prio:high kernfs 1 130 23d 410d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 229 10h21m 449d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6964 1h03m 462d 💬 2 [68d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs 1 syz done error 53 7d10h 626d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 138 23h56m 636d 💬 1 [5d22h]
possible deadlock in walk_component (4) kernfs 4 C 79 219d 687d 💬 1 [255d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 144 8d06h 762d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 100 11d 770d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 730 5h29m 789d 💬 3 [5d22h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 499 10d 800d 💬 8 [37d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 42 10d 968d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 C inconclusive done 157 2d01h 969d 💬 1 [5d22h]
possible deadlock in lookup_slow (3) prio:low kernfs btrfs 4 C 482 3d20h 1083d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 624d 1328d PATCH [1111d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 619 3d04h 1701d 💬 3 [5d22h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 52d 48d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 2 3d22h 82d PATCH [63d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 76 4d11h 169d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1184 2h29m 942d