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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (152)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_link_sibling (2) kernfs 4 267 now 4d02h 💬 1 [3d04h]
possible deadlock in __kernfs_remove (3) kernfs 4 2 22d 23d
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 5 35d 34d
INFO: rcu detected stall in cleanup_net (8) net kernfs 1 C error 28 7d19h 67d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 77d 73d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 66d 77d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 310 19m 135d
possible deadlock in kernfs_add_one kernfs 4 15 2h02m 227d
possible deadlock in kernfs_remove kernfs 4 C error done 147 1h51m 229d 💬 3 [116d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error error 6 10d 235d
possible deadlock in do_page_mkwrite (3) kernfs 4 8 8d17h 279d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 30 16d 291d
INFO: task hung in sb_start_write (2) kernfs 1 121 13d 302d
possible deadlock in kernfs_fop_readdir kernfs 4 183 7h25m 342d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 5029 2h33m 354d 💬 2 [23d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 45 12d 519d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 139 13d 523d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 125 9d01h 528d 💬 1 [23d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 42 18d 579d
possible deadlock in walk_component (4) kernfs 4 C 79 112d 579d 💬 1 [148d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 136 5h26m 655d
INFO: task hung in kernfs_add_one kernfs 1 C error done 82 21d 662d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 581 18d 682d 💬 3 [23d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 307 1d21h 693d 💬 8 [54d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 34 12d 860d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 119 2d13h 861d 💬 1 [23d]
possible deadlock in lookup_slow (3) kernfs 4 C 438 3d15h 976d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 516d 1220d PATCH [1004d]
INFO: task hung in walk_component (5) kernfs fuse 1 C inconclusive error 133 164d 1307d 💬 2 [521d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 581 20h54m 1594d 💬 3 [23d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 43d 39d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 46d 46d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 28 1d13h 61d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 46d 123d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1028 12h07m 834d