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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (157)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in __kernfs_remove (3) kernfs 4 2 1d13h 3d02h
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 5 14d 14d
INFO: rcu detected stall in cleanup_net (8) net kernfs 1 C error 27 9d19h 46d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 56d 52d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 46d 56d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 83d 79d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 62d 115d
possible deadlock in kernfs_add_one kernfs 4 11 45d 207d
possible deadlock in kernfs_remove kernfs 4 C error done 92 98d 208d 💬 3 [95d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error error 5 41d 215d
possible deadlock in do_page_mkwrite (3) kernfs 4 7 10d 258d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 64d 270d
INFO: task hung in sb_start_write (2) kernfs 1 119 6d22h 282d
possible deadlock in kernfs_fop_readdir kernfs 4 152 3h17m 321d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 4350 6h48m 334d 💬 2 [2d19h]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 44 33d 498d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 138 19d 503d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 123 5d16h 507d 💬 1 [2d19h]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 58d 558d
possible deadlock in walk_component (4) kernfs 4 C 79 91d 559d 💬 1 [127d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 133 11d 634d
INFO: task hung in kernfs_add_one kernfs 1 C error done 82 20h45m 642d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 580 8h36m 661d 💬 3 [2d19h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 298 16h46m 672d 💬 8 [34d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 35d 839d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 108 4d02h 841d 💬 1 [2d19h]
possible deadlock in lookup_slow (3) kernfs 4 420 1d06h 955d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 496d 1200d PATCH [983d]
INFO: task hung in walk_component (5) kernfs fuse 1 C inconclusive error 133 143d 1286d 💬 2 [501d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 571 4h05m 1573d 💬 3 [2d19h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 22d 18d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 25d 25d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 14 5d07h 41d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 48d 48d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 26d 103d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1002 10h41m 814d