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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 28
Parent subsystem(s): fs (137)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __kernfs_new_node kernfs -1 3 7d17h 4d19h
KASAN: slab-use-after-free Read in __kernfs_new_node kernfs prio:high actionable 19 2 7d08h 5d12h PATCH [3d01h]
KASAN: slab-use-after-free Read in kernfs_new_node (2) actionable prio:high kernfs 19 3 38d 22d
INFO: task hung in do_epoll_ctl_file kernfs prio:high 1 C error 10 18d 24d PATCH [14h53m]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 13d 30d PATCH [17h20m]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 8 19d 72d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 14 17d 88d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 5754 3d14h 96d 💬 1 [21d]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 16 9d01h 115d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 C error 32 23d 159d
INFO: task hung in do_rmdir (7) prio:high kernfs 1 C error error 3 158d 169d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2354 4d05h 227d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 14d 319d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1438 4d04h 321d 💬 3 [21d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 9 6d03h 328d
possible deadlock in do_page_mkwrite (3) prio:high kernfs 4 9 89d 371d
KASAN: slab-use-after-free Read in kernfs_root prio:high kernfs 19 34 8d17h 383d PATCH [25d]
INFO: task hung in sb_start_write (2) prio:high kernfs 1 130 7d16h 394d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 227 12d 434d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6620 4h48m 446d 💬 2 [53d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs 1 syz done error 51 6d15h 611d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 130 12h31m 620d 💬 1 [21d]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 54 6d12h 671d PATCH [25d]
possible deadlock in walk_component (4) kernfs 4 C 79 204d 672d 💬 1 [240d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 C error error 143 4d20h 747d
INFO: task hung in kernfs_add_one usb kernfs 1 C error done 97 4d16h 754d
WARNING in kernfs_get (5) prio:high usb kernfs -1 syz inconclusive 683 1d19h 774d 💬 3 [21d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 497 1d11h 785d 💬 8 [21d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 41 9d13h 952d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 C inconclusive done 154 1d18h 954d 💬 1 [29d]
possible deadlock in lookup_slow (3) prio:low kernfs btrfs 4 C 478 9d18h 1068d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 608d 1313d PATCH [1096d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 613 17h43m 1686d 💬 3 [21d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in lo_ioctl prio:low kernfs 1 1 36d 32d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 1 70d 66d PATCH [48d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 70 9h20m 153d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1164 15h50m 927d