syzbot

 sign-in | mailing list | source | docs
🐞 Open [1644]
≡ Subsystems
🐞 Fixed [6103]
🐞 Invalid [15280]
⬇ Missing Backports [170]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

kernfs subsystem


Maintainer(s): gregkh@linuxfoundation.org, tj@kernel.org
Fixed bugs: 23
Parent subsystem(s): fs (149)
open (24):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
UBSAN: shift-out-of-bounds in idr_get_free kernfs 1 35d 31d
INFO: task hung in pipe_write (6) kernfs netfs C done 10 14d 35d
UBSAN: shift-out-of-bounds in radix_tree_delete_item bcachefs kernfs C done done 3 36d 38d 💬 2 [6d01h]
possible deadlock in mnt_want_write (5) kernfs 1 73d 69d
INFO: task hung in __generic_file_fsync (5) kernfs C inconclusive 8 16d 81d
INFO: task hung in chmod_common (5) kernfs exfat C inconclusive 11 18d 83d
general protection fault in kernfs_dop_revalidate kernfs syz 8 20d 119d
KASAN: slab-out-of-bounds Read in __radix_tree_delete kernfs bcachefs syz 1 123d 119d
possible deadlock in __kernfs_remove (2) kernfs C 3994 17m 137d
INFO: task hung in do_rmdir (6) kernfs C error inconclusive 36 8d20h 151d
possible deadlock in kernfs_fop_write_iter (2) kernfs 29 4d23h 162d
INFO: rcu detected stall in statfs (3) kernfs input usb syz 1 173d 168d
KASAN: slab-use-after-free Read in kernfs_add_one kernfs 6 18d 178d
WARNING in kernfs_new_node (3) kernfs syz error 22 16d 217d
possible deadlock in walk_component (4) kernfs C 19 2d10h 218d 💬 1 [50d]
INFO: task hung in kernfs_dop_revalidate (4) kernfs C error 98 4h16m 293d
INFO: task hung in kernfs_add_one kernfs C error done 60 58d 301d
WARNING in kernfs_get (5) kernfs syz inconclusive 305 1d18h 321d 💬 3 [5d14h]
possible deadlock in kernfs_seq_start kernfs C done 86 2d18h 332d 💬 8 [99d]
INFO: task hung in evict (2) kernfs squashfs C done 441 5h13m 404d
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs C 16 64d 499d
possible deadlock in lookup_slow (3) kernfs 343 10d 614d
INFO: rcu detected stall in kernfs_fop_release kernfs usb C error 5 154d 905d 💬 1 [905d]
WARNING in kernfs_remove_by_name_ns (3) kernfs C error 363 8h38m 1233d 💬 3 [5d14h]
moderation (3):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (7) kernfs 2 10d 14d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts kernfs 1 48d 48d
KCSAN: data-race in set_nlink / set_nlink kernfs 670 1h06m 473d