syzbot


kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 26
Parent subsystem(s): fs (150)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: suspicious RCU usage in kernfs_put kernfs 4 1 5d14h 1d14h
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 5 2d06h 2d06h
possible deadlock in kernfs_iop_setattr kernfs 4 3 16h41m 17d
possible deadlock in kernfs_link_sibling (2) kernfs 4 1727 now 25d 💬 1 [24d]
possible deadlock in __kernfs_remove (3) kernfs 4 2 43d 45d
KMSAN: uninit-value in inode_set_ctime_to_ts kernfs 7 8 5d01h 56d
INFO: rcu detected stall in cleanup_net (8) kernfs net 1 C error 28 29d 88d
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 98d 94d
INFO: task hung in do_rmdir (7) kernfs 1 C error error 3 88d 98d
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 2109 7m 157d
INFO: rcu detected stall in hub_event (2) usb kernfs 1 C error 466 1d11h 234d
possible deadlock in kernfs_add_one kernfs 4 18 2h05m 249d
possible deadlock in kernfs_remove kernfs 4 C error done 494 21m 250d 💬 3 [12d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 32d 257d
possible deadlock in do_page_mkwrite (3) kernfs 4 9 18d 301d
KASAN: slab-use-after-free Read in kernfs_root kernfs 19 31 17d 312d
INFO: task hung in sb_start_write (2) kernfs 1 122 3d02h 324d
possible deadlock in kernfs_fop_readdir kernfs 4 216 20h48m 363d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 5789 9h05m 376d 💬 2 [12d]
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 47 9d23h 540d
possible deadlock in kernfs_fop_write_iter (2) kernfs 4 139 34d 545d
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 127 10d 550d 💬 1 [44d]
WARNING in kernfs_new_node (3) kernfs -1 syz error error 42 40d 600d
possible deadlock in walk_component (4) kernfs 4 C 79 133d 601d 💬 1 [169d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs 1 C error error 137 2d12h 676d
INFO: task hung in kernfs_add_one kernfs 1 C error done 85 8d06h 684d
WARNING in kernfs_get (5) usb kernfs -1 syz inconclusive 591 3d19h 703d 💬 3 [12d]
possible deadlock in kernfs_seq_start kernfs 4 C done error 322 1d16h 714d 💬 8 [76d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 C 35 2d02h 881d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 C unreliable error 469 538d 1242d PATCH [1025d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 C error 589 3h39m 1615d 💬 3 [12d]
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 41 1d04h 83d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1062 14m 856d