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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (156)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in kernfs_iop_setattr kernfs 4 2 1d14h 4d13h
possible deadlock in kernfs_link_sibling (2) kernfs 4 765 5m 12d 💬 1 [11d]
possible deadlock in __kernfs_remove (3) kernfs 4 2 30d 31d
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 6 5d18h 42d
INFO: rcu detected stall in cleanup_net (8) kernfs net 1 C error 28 16d 75d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 85d 81d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 74d 85d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 937 now 143d
INFO: rcu detected stall in hub_event (2) usb kernfs 1 C error 460 22h13m 220d
possible deadlock in kernfs_add_one kernfs 4 15 8d07h 235d
possible deadlock in kernfs_remove kernfs 4 C error done 259 44m 237d 💬 3 [124d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 18d 244d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 5d05h 287d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 31 4d03h 299d
INFO: task hung in sb_start_write (2) kernfs 1 121 21d 310d
possible deadlock in kernfs_fop_readdir kernfs 4 197 1d21h 350d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 5341 6m 362d 💬 2 [31d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 46 2d10h 527d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 139 21d 531d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 126 5d18h 536d 💬 1 [31d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 42 27d 587d
possible deadlock in walk_component (4) kernfs 4 C 79 120d 588d 💬 1 [156d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 136 8d11h 663d
INFO: task hung in kernfs_add_one kernfs 1 C error done 83 1d23h 670d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 586 1d01h 690d 💬 3 [31d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 313 2d19h 701d 💬 8 [62d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 34 20d 868d
possible deadlock in lookup_slow (3) kernfs 4 C 442 3d15h 984d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 524d 1229d PATCH [1012d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 581 9d02h 1602d 💬 3 [31d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 51d 47d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 54d 54d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 32 3d21h 69d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 54d 132d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1042 6h16m 843d