kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 32
Parent subsystem(s): fs (149)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 28 4d21h 24d
possible deadlock in kernfs_iop_permission (2) prio:low kernfs 4 29 22h57m 37d
possible deadlock in kernfs_remove_by_name_ns (2) prio:high kernfs 4 1278 34m 37d
KASAN: slab-use-after-free Read in kernfs_get (4) prio:high actionable kernfs 19 1 53d 49d
possible deadlock in kernfs_fop_write_iter (3) prio:low kernfs 4 8 15d 49d
WARNING in __kernfs_new_node prio:high kernfs -1 8 54d 69d
KASAN: slab-use-after-free Read in __kernfs_new_node prio:high actionable kernfs 19 3 56d 70d PATCH [68d]
INFO: task hung in do_epoll_ctl_file prio:high kernfs 1 syz, C error 10 83d 89d PATCH [39d]
KASAN: slab-use-after-free Read in clear_tfile_check_list prio:high kernfs 19 syz, C 414 78d 95d PATCH [32d]
BUG: unable to handle kernel paging request in kernfs_rename_ns kernfs 8 9 32d 138d
possible deadlock in kernfs_iop_setattr prio:low kernfs 4 16 52d 153d
possible deadlock in kernfs_link_sibling (2) prio:low kernfs 4 7303 58m 161d 💬 1 [87d]
KMSAN: uninit-value in inode_set_ctime_to_ts prio:high kernfs 7 42 69d 191d
INFO: rcu detected stall in cleanup_net (8) prio:normal kernfs net 1 syz, C error inconclusive 35 10h29m 224d
possible deadlock in kernfs_unlink_sibling (2) prio:low kernfs 4 2373 2d05h 293d
possible deadlock in kernfs_add_one prio:high kernfs 4 25 1d17h 384d
possible deadlock in kernfs_remove prio:high kernfs 4 syz, C error done 1814 37m 386d 💬 3 [24d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs 1 syz, C error error 14 5d12h 393d PATCH [1d10h]
possible deadlock in kernfs_fop_readdir prio:high kernfs 4 235 18h00m 499d
possible deadlock in kernfs_iop_getattr prio:low kernfs 4 syz, C done 8080 10h28m 511d 💬 2 [118d]
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs 1 syz done error 60 5d23h 676d
INFO: task hung in fdget_pos fs kernfs prio:normal 1 syz, C inconclusive inconclusive 156 9h35m 685d 💬 1 [24d]
possible deadlock in walk_component (4) kernfs 4 syz, C 79 269d 737d 💬 1 [305d]
INFO: task hung in kernfs_dop_revalidate (4) prio:high kernfs 1 syz, C error error 147 20d 812d
INFO: task hung in kernfs_add_one usb kernfs 1 syz, C error done 104 6d22h 819d
WARNING in kernfs_get (5) prio:high kernfs -1 syz inconclusive 753 44d 839d 💬 3 [55d]
possible deadlock in kernfs_seq_start kernfs 4 syz, C done error 695 1h08m 850d 💬 8 [24d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs 1 syz, C 44 29d 1017d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs 1 syz, C inconclusive done 177 20h24m 1019d 💬 1 [32d]
possible deadlock in lookup_slow (3) prio:low kernfs 4 syz, C 517 1d23h 1133d
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs -1 syz, C unreliable error 469 674d 1378d PATCH [1161d]
WARNING in kernfs_remove_by_name_ns (3) kernfs -1 syz, C error 645 4d16h 1751d 💬 3 [24d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in usbdev_ioctl prio:low kernfs 1 1 43d 39d
stack segment fault in kernfs_rename_ns (2) prio:high kernfs 2 4 18d 131d PATCH [113d]
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath prio:low kernfs 6 89 9d22h 219d
KCSAN: data-race in set_nlink / set_nlink prio:low kernfs 6 1244 10h58m 992d