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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (151)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in cleanup_net (8) kernfs 1 C error 25 6d11h 16d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 26d 22d
INFO: task hung in do_rmdir (7) kernfs 1 C error 3 16d 26d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 53d 48d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 37d 61d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 32d 85d
possible deadlock in kernfs_add_one kernfs 4 11 15d 176d
possible deadlock in kernfs_remove kernfs 4 C error done 92 68d 178d 💬 3 [65d]
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 55d 178d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 30 58d 182d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error 5 10d 185d
possible deadlock in do_page_mkwrite (3) kernfs 4 6 49d 228d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 34d 240d
INFO: task hung in sb_start_write (2) kernfs 1 116 9d15h 252d
possible deadlock in kernfs_fop_readdir kernfs 4 134 1d01h 291d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 3645 5h37m 303d 💬 2 [3d22h]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 3d09h 468d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 136 12d 472d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 121 6d02h 477d 💬 1 [3d22h]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 28d 528d
possible deadlock in walk_component (4) kernfs 4 C 79 61d 529d 💬 1 [97d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 130 22d 604d
INFO: task hung in kernfs_add_one kernfs 1 C error done 76 18d 611d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 574 10d 631d 💬 3 [3d22h]
possible deadlock in kernfs_seq_start kernfs 4 C done error 273 16h43m 642d 💬 8 [3d22h]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 5d19h 809d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 100 10d 811d 💬 1 [3d22h]
possible deadlock in lookup_slow (3) kernfs 4 396 2d15h 925d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 466d 1170d PATCH [953d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 546 2d15h 1543d 💬 3 [3d22h]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 6 3h54m 11d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 18d 18d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 3 42d 73d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 42d 95d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 951 6h04m 784d