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kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (148)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in cleanup_net (8) kernfs 1 C error 26 10d 29d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 39d 35d
INFO: task hung in do_rmdir (7) kernfs 1 C error 3 28d 39d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 65d 61d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 49d 73d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 3 44d 97d
possible deadlock in kernfs_add_one kernfs 4 11 27d 189d
possible deadlock in kernfs_remove kernfs 4 C error done 92 81d 191d 💬 3 [78d]
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 68d 191d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs 1 C error 5 23d 197d
possible deadlock in do_page_mkwrite (3) kernfs 4 6 61d 241d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 29 47d 253d
INFO: task hung in sb_start_write (2) kernfs 1 117 3d12h 264d
possible deadlock in kernfs_fop_readdir kernfs 4 138 4d03h 304d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 3959 10m 316d 💬 2 [16d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 15d 481d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 138 1d21h 485d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 121 4d06h 490d 💬 1 [16d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 41 41d 541d
possible deadlock in walk_component (4) kernfs 4 C 79 74d 541d 💬 1 [110d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 131 4d20h 617d
INFO: task hung in kernfs_add_one kernfs 1 C error done 77 3d12h 624d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 574 23d 644d 💬 3 [16d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 285 2h05m 655d 💬 8 [16d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 32 18d 822d
INFO: rcu detected stall in sys_unshare (9) kernfs 1 C inconclusive done 103 4d03h 823d 💬 1 [16d]
possible deadlock in lookup_slow (3) kernfs 4 404 1d13h 938d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 478d 1182d PATCH [966d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 562 16h50m 1556d 💬 3 [16d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 5d02h 1d02h
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 8d08h 8d08h
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 8 2d08h 23d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 30d 30d
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 4 8d16h 85d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 55d 108d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 974 4h41m 796d