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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (158)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_setattr kernfs 4 1 5d04h 1d04h
possible deadlock in kernfs_link_sibling (2) kernfs 4 562 2h06m 8d23h 💬 1 [8d01h]
possible deadlock in __kernfs_remove (3) kernfs 4 2 26d 28d
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 6 2d10h 39d
INFO: rcu detected stall in cleanup_net (8) kernfs net 1 C error 28 12d 72d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 81d 77d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 71d 82d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 673 37m 140d
INFO: rcu detected stall in hub_event (2) usb kernfs 1 C error 457 15h24m 217d
possible deadlock in kernfs_add_one kernfs 4 15 4d22h 232d
possible deadlock in kernfs_remove kernfs 4 C error done 208 55m 233d 💬 3 [121d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 15d 240d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 1d20h 284d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 31 19h08m 296d
INFO: task hung in sb_start_write (2) kernfs 1 121 18d 307d
possible deadlock in kernfs_fop_readdir kernfs 4 194 9h09m 346d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 5232 2h14m 359d 💬 2 [28d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 45 16d 524d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 139 18d 528d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 126 2d09h 533d 💬 1 [28d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 42 23d 583d
possible deadlock in walk_component (4) kernfs 4 C 79 117d 584d 💬 1 [152d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 136 5d02h 660d
INFO: task hung in kernfs_add_one kernfs 1 C error done 82 26d 667d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 585 19h09m 687d 💬 3 [28d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 312 8h53m 698d 💬 8 [59d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 34 17d 865d
possible deadlock in lookup_slow (3) kernfs 4 C 442 6h56m 981d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 521d 1225d PATCH [1009d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 581 5d17h 1599d 💬 3 [28d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 47d 43d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 51d 51d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 32 12h38m 66d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 51d 128d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1036 10h34m 839d