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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 28
Parent subsystem(s): fs (141)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __kernfs_new_node kernfs -1 3 7d09h 4d11h
KASAN: slab-use-after-free Read in __kernfs_new_node kernfs prio:high actionable 19 2 7d01h 5d04h PATCH [2d18h]
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 [7h18m]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 C 414 13d 29d PATCH [9h45m]
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 3d06h 96d 💬 1 [21d]
possible deadlock in __kernfs_remove (3) kernfs prio:high 4 16 8d17h 115d
INFO: task hung in do_rmdir (7) kernfs prio:high 1 C error error 3 158d 169d
possible deadlock in kernfs_unlink_sibling (2) kernfs prio:low 4 2354 3d22h 227d
possible deadlock in kernfs_add_one prio:high kernfs 4 23 13d 319d
possible deadlock in kernfs_remove prio:high kernfs 4 C error done 1438 3d21h 320d 💬 3 [21d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 9 5d19h 327d
possible deadlock in do_page_mkwrite (3) kernfs prio:high 4 9 88d 371d
KASAN: slab-use-after-free Read in kernfs_root kernfs prio:high 19 34 8d09h 383d PATCH [25d]
INFO: task hung in sb_start_write (2) kernfs prio:high 1 130 7d08h 394d
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 227 11d 433d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 C done 6619 2d06h 446d 💬 2 [52d]
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal 1 syz done error 51 6d07h 611d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 C inconclusive inconclusive 130 4h56m 620d 💬 1 [21d]
WARNING in kernfs_new_node (3) kernfs prio:high -1 syz error error 54 6d04h 670d PATCH [25d]
possible deadlock in walk_component (4) kernfs 4 C 79 204d 671d 💬 1 [239d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs prio:high 1 C error error 143 4d12h 747d
INFO: task hung in kernfs_add_one kernfs 1 C error done 97 4d08h 754d
WARNING in kernfs_get (5) usb kernfs prio:high -1 syz inconclusive 683 1d12h 774d 💬 3 [21d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 497 1d03h 785d 💬 8 [21d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 41 9d05h 952d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs 1 C inconclusive done 154 1d10h 953d 💬 1 [29d]
possible deadlock in lookup_slow (3) prio:low kernfs btrfs 4 C 478 9d10h 1068d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 608d 1312d PATCH [1096d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 613 10h08m 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 [47d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs prio:low 6 70 1h45m 153d
KCSAN: data-race in set_nlink / set_nlink kernfs prio:low 6 1164 8h15m 926d