syzbot

 sign-in | mailing list | source | docs
🐞 Open [1422]
≡ Subsystems
🐞 Fixed [6982]
🐞 Invalid [18199]
⬇ Missing Backports [223]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
✨ AI
💬 Send us feedback

Out of 206 bugs, 181 were automatically obsoleted (21 due to revoked reproducers), 25 were invalidated by users.
Applied filters: Label=subsystems:kernfs (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
INFO: rcu detected stall in __fput_deferred kernfs 1 1 93d 93d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 60d 60d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 79d 103d
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 97d 220d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 84d 137d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 30 100d 224d
INFO: rcu detected stall in process_scheduled_works (3) kernfs input 1 2 131d 149d
inconsistent lock state in valid_state (6) kernfs comedi 4 2 145d 144d
possible deadlock in kernfs_node_dentry kernfs 4 1 159d 155d
INFO: task hung in pipe_write (6) kernfs netfs 1 C done done 10 164d 387d
INFO: task hung in file_start_write (2) kernfs xfs 1 3 166d 254d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (9) kernfs 6 1 141d 141d
INFO: rcu detected stall in kernfs_fop_release kernfs 1 C error 8 199d 1258d
INFO: task hung in nmi_cpu_backtrace (5) kernfs 1 1 193d 193d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling kernfs 6 1 168d 168d
possible deadlock in kernfs_link_sibling kernfs 4 30 157d 188d
INFO: rcu detected stall in netlink_release (6) kernfs 1 1 229d 229d
KCSAN: data-race in do_sys_poll / pollwake kernfs 6 5332 227d 2063d
general protection fault in kernfs_rename_ns kernfs 2 6 283d 296d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (8) kernfs 6 1 251d 251d
possible deadlock in mnt_want_write (6) kernfs 4 1 276d 272d
KMSAN: uninit-value in __kernfs_remove kernfs 7 1 345d 341d
possible deadlock in __kernfs_remove (2) kernfs 4 C 4976 321d 489d
general protection fault in kernfs_dop_revalidate kernfs 7 syz done 8 372d 471d
WARNING: fs/kernfs/dir.c:LINE at kernfs_new_node, CPU: kworker/NUM:NUM/NUM kernfs -1 1 268d 268d
INFO: task hung in __generic_file_fsync (5) kernfs 1 C inconclusive done 8 369d 433d
KASAN: slab-use-after-free Read in kernfs_add_one kernfs 19 6 370d 531d
INFO: rcu detected stall in ib_unregister_work kernfs 1 1 373d 373d
UBSAN: shift-out-of-bounds in idr_get_free kernfs -1 1 388d 383d
UBSAN: shift-out-of-bounds in radix_tree_delete_item kernfs -1 C done done 3 389d 391d
INFO: task hung in kernfs_seq_start kernfs 1 1 385d 385d
INFO: rcu detected stall in statfs (3) usb kernfs input 1 syz 1 525d 521d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (7) kernfs 6 2 363d 367d
KASAN: slab-out-of-bounds Read in __radix_tree_delete kernfs 17 syz 1 475d 471d
possible deadlock in mnt_want_write (5) kernfs 4 1 426d 422d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts kernfs 6 1 401d 401d
INFO: task hung in kernfs_find_and_get_ns (5) kernfs 1 19 444d 659d
KASAN: slab-use-after-free Read in kernfs_get (2) kernfs 19 2 473d 469d
INFO: task hung in vfs_set_acl kernfs 1 1 438d 438d
INFO: rcu detected stall in cleanup_net (7) kernfs rdma bridge 1 15 470d 847d
INFO: task hung in do_loopback kernfs f2fs 1 201 465d 537d
INFO: rcu detected stall in kernfs_notify_workfn (3) kernfs 1 1 498d 498d
INFO: rcu detected stall in vfs_write (2) kernfs 1 1 513d 513d
INFO: task hung in kernfs_fop_readdir (3) kernfs 1 1 513d 513d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (6) kernfs 6 1 480d 480d
INFO: task hung in vfs_fileattr_set (3) lsm kernfs jfs 1 3 516d 553d
INFO: task hung in kernfs_remove (2) kernfs 1 2 527d 537d
possible deadlock in kernfs_path_from_node kernfs 4 C error done 5 550d 547d
possible deadlock in mnt_want_write (4) kernfs 4 1 551d 547d
INFO: task hung in __generic_file_fsync (4) kernfs ext4 exfat 1 7 542d 699d
INFO: task hung in lock_two_directories (2) kernfs 1 10 542d 690d
kernel panic: corrupted stack end in hub_event (3) kernfs 2 48 529d 647d
INFO: rcu detected stall in usb_new_device kernfs 1 7 558d 606d
INFO: task hung in kernfs_iop_get_link (2) kernfs 1 1 532d 532d
INFO: task hung in eventpoll_release_file (2) kernfs 1 C error done 422 542d 598d
KCSAN: data-race in __queue_delayed_work / kvfree_call_rcu kernfs bpf 6 3 511d 527d
INFO: rcu detected stall in bus_probe_device fbdev kernfs 1 3 567d 613d
INFO: rcu detected stall in __run_timers (7) kernfs 1 25 549d 654d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (5) kernfs 6 1 540d 540d
INFO: rcu detected stall in try_to_wake_up netfilter kernfs 1 4 602d 623d
INFO: rcu detected stall in run_timer_base kernfs 1 11 603d 686d
INFO: rcu detected stall in kernfs_notify_workfn (2) kernfs 1 1 605d 605d
INFO: task hung in ep_clear_and_put kernfs 1 2 608d 638d
INFO: task hung in kernfs_iop_lookup kernfs 1 1 608d 608d
possible deadlock in kernfs_fop_write_iter kernfs 4 14 594d 619d
INFO: rcu detected stall in add_timer_on kernfs 1 1 614d 614d
INFO: task hung in kernfs_fop_readdir (2) kernfs 1 1 615d 615d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (10) kernfs 6 1 561d 561d
INFO: rcu detected stall in kswapd (2) mm kernfs 1 3 594d 615d
INFO: rcu detected stall in kernfs_fop_read_iter (3) kernfs 1 6 630d 809d
inconsistent lock state in find_vmap_area input usb kernfs 4 C done inconclusive 49 1021d 1339d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (4) kernfs 6 3 595d 616d
INFO: task hung in kernfs_remove kernfs 1 2 650d 651d
linux-next test error: BUG: key ADDR has not been registered! kernfs -1 4 631d 632d
KASAN: use-after-free Read in kernfs_add_one kernfs 19 C error inconclusive 39 702d 1632d
WARNING in kernfs_new_node (2) kernfs -1 1 677d 673d
possible deadlock in mnt_want_write (3) kernfs 4 9 698d 801d
BUG: using __this_cpu_add() in preemptible code in kernfs_fop_write_iter kernfs 4 1 700d 696d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (9) kernfs 6 1 650d 650d
KASAN: use-after-free Read in kernfs_next_descendant_post (2) usb kernfs 19 C inconclusive error 54 725d 1620d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (3) kernfs 6 1 670d 670d
KASAN: slab-use-after-free Read in kernfs_get kernfs 19 1 756d 755d
stack segment fault in __stack_depot_save kernfs mm net 2 C inconclusive done 3 801d 962d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (2) kernfs 6 1 761d 761d
INFO: task hung in kernfs_dop_revalidate (3) kernfs 1 1 861d 861d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (8) kernfs 6 3 810d 820d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission kernfs 6 1 819d 819d
possible deadlock in walk_component (2) kernfs 4 2 930d 968d
INFO: rcu detected stall in loop_control_ioctl kernfs 1 1 942d 942d
KCSAN: data-race in __kernfs_remove / kernfs_iop_permission kernfs 6 138 923d 1050d
KCSAN: data-race in kernfs_iop_permission / kernfs_link_sibling kernfs 6 59 927d 1046d
KMSAN: kernel-infoleak in kernfs_fop_read_iter kernfs 9 2 988d 990d
KASAN: slab-use-after-free Read in kernfs_xattr_get kernfs 19 1 1052d 1052d
KCSAN: data-race in dentry_lru_isolate / step_into (5) kernfs 6 1 1012d 1012d
WARNING: suspicious RCU usage in mas_state_walk (2) kernfs 4 C 18 1106d 1123d
KASAN: use-after-free Read in kernfs_get (2) kernfs 19 2 1120d 1206d
WARNING in kernfs_get (4) kernfs -1 syz error 3 1129d 1132d
INFO: task hung in kernfs_remove_by_name_ns kernfs 1 7 1120d 1297d
INFO: task hung in kernfs_iop_permission (3) kernfs arm 1 6 1124d 1198d
INFO: task hung in kernfs_dop_revalidate (2) kernfs 1 3 1138d 1191d
INFO: task hung in kernfs_find_and_get_ns (4) kernfs 1 1 1156d 1156d
WARNING in kernfs_find_and_get_node_by_id kernfs -1 C done inconclusive 302 1207d 1224d
general protection fault in kernfs_get_inode kernfs 2 C error done 10 1242d 1255d
BUG: corrupted list in kernfs_unlink_open_file kernfs 8 1 1125d 1121d
KCSAN: data-race in __radix_tree_delete / __radix_tree_replace kernfs 6 1 1150d 1150d
general protection fault in kernfs_link_sibling (3) kernfs 2 5 1128d 1128d
BUG: unable to handle kernel NULL pointer dereference in try_to_free_buffers kernfs 10 1 1162d 1158d
KASAN: null-ptr-deref Read in drop_buffers kernfs 11 5 1230d 1230d
inconsistent lock state in try_to_wake_up kernfs 4 1 1239d 1235d
INFO: task hung in kernfs_fop_readdir kernfs 1 2 1223d 1227d
KASAN: use-after-free Write in kernfs_path_from_node_locked kernfs 22 C done 9 1922d 1928d
INFO: task hung in kernfs_find_and_get_ns (3) kernfs 1 1 1237d 1237d
upstream boot error: BUG: unable to handle kernel paging request in kernfs_new_node kernfs -1 1 1304d 1300d
upstream boot error: BUG: unable to handle kernel NULL pointer dereference in qlist_free_all kernfs -1 1 1304d 1300d
upstream boot error: BUG: unable to handle kernel paging request in kernfs_create_dir_ns kernfs -1 1 1308d 1304d
INFO: task hung in kernfs_dop_revalidate kernfs 1 syz unreliable inconclusive 2 1334d 1360d
INFO: task hung in kernfs_iop_permission (2) kernfs 1 3 1307d 1399d
KASAN: use-after-free Read in kernfs_get kernfs 19 8 1337d 1459d
usb-testing boot error: BUG: unable to handle kernel paging request in kernfs_dop_revalidate kernfs -1 1 1291d 1291d
KASAN: use-after-free Read in kernfs_xattr_get kernfs 19 1 1349d 1345d
linux-next boot error: kernel BUG in __phys_addr kernfs -1 3 1304d 1308d
memory leak in iget_locked kernfs usb 3 syz 1 1847d 1844d
INFO: task hung in __kernfs_remove kernfs 1 1 1347d 1347d
KCSAN: data-race in cleanup_glue_dir / kernfs_link_sibling (2) kernfs 6 1 1292d 1292d
INFO: rcu detected stall in kernfs_fop_open (3) kernfs 1 2 1359d 1408d
KASAN: use-after-free Read in kernfs_link_sibling kernfs 19 1 1363d 1359d
INFO: rcu detected stall in clone3 (2) kernfs 1 1 1369d 1369d
KASAN: use-after-free Read in kernfs_active kernfs 19 1 1379d 1375d
INFO: rcu detected stall in sys_clone3 kernfs 1 1 1390d 1390d
INFO: rcu detected stall in newfstatat (2) kernfs 1 2 1390d 1425d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (7) kernfs 6 1 1347d 1347d
KCSAN: data-race in __radix_tree_delete / radix_tree_iter_tag_clear kernfs 6 1 1365d 1365d
KASAN: use-after-free Read in kernfs_activate kernfs 19 2 1460d 1468d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (6) kernfs 6 3 1429d 1458d
INFO: rcu detected stall in sys_unshare (6) kernfs 1 1 1487d 1487d
INFO: rcu detected stall in sys_newfstatat (2) kernfs 1 1 1490d 1490d
WARNING: locking bug in __kernfs_remove (2) kernfs 4 1 1497d 1493d
general protection fault in __kernfs_remove kernfs 17 4 1560d 1660d
general protection fault in kernfs_find_ns kernfs 2 2 1565d 1559d
INFO: trying to register non-static key in __kernfs_remove kernfs -1 1 1582d 1578d
INFO: rcu detected stall in lo_ioctl (3) kernfs 1 2 1535d 1540d
INFO: rcu detected stall in sys_clone (5) kernfs 1 5 1522d 1621d
INFO: rcu detected stall in sys_openat (2) kernfs 1 8 1498d 1710d
KASAN: use-after-free Read in timerfd_clock_was_set kernfs 19 3 1617d 1683d
WARNING in kernfs_get (3) kernfs -1 3 1557d 1562d
INFO: rcu detected stall in sys_getdents kernfs 1 1 1591d 1591d
BUG: unable to handle kernel paging request in stack_depot_save (4) kernfs 8 1 1594d 1590d
linux-next test error: WARNING: held lock freed in kernfs_destroy_root kernfs -1 36 1560d 1567d
BUG: unable to handle kernel paging request in seq_open kernfs 8 1 1618d 1614d
general protection fault in kernfs_link_sibling (2) kernfs 2 1 1603d 1599d
BUG: corrupted list in kernfs_put_open_node (2) kernfs 8 1 1638d 1634d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (5) kernfs 6 1 1604d 1604d
general protection fault in kernfs_link_sibling kernfs 2 1 1712d 1708d
WARNING: locking bug in __kernfs_remove kernfs 4 1 1687d 1683d
WARNING in kernfs_remove_by_name_ns (2) kernfs -1 1 1760d 1756d
KASAN: use-after-free Read in kernfs_next_descendant_post kernfs 19 1 1780d 1776d
KCSAN: data-race in cleanup_glue_dir / kernfs_link_sibling kernfs 6 1 1719d 1719d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (4) kernfs 6 1 1799d 1799d
KASAN: invalid-free in bdev_free_inode kernfs 24 18 1887d 1911d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (3) kernfs 6 1 1868d 1868d
INFO: task hung in kernfs_find_and_get_ns (2) kernfs 1 1 1942d 1942d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (2) kernfs 6 2 1904d 1917d
WARNING in kernfs_get (2) kernfs -1 2 1993d 2011d
BUG: unable to handle kernel paging request in kernfs_active kernfs 8 1 1983d 1979d
BUG: unable to handle kernel paging request in qlist_free_all (6) kernfs 8 1 1984d 1980d
general protection fault in idr_remove (2) kernfs 2 1 2069d 2065d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir kernfs 6 2 2000d 2018d
general protection fault in rb_erase (3) kernfs 2 1 2074d 2070d
KCSAN: data-race in generic_fillattr / kernfs_refresh_inode kernfs 6 36 2096d 2154d
KCSAN: data-race in cleanup_glue_dir.part.0 / kernfs_unlink_sibling kernfs 6 2 2113d 2117d
BUG: unable to handle kernel NULL pointer dereference in idr_get_free kernfs 10 1 2179d 2179d
INFO: task hung in kernfs_notify_workfn (2) kernfs 1 1 2246d 2246d
KCSAN: data-race in do_dentry_open / kernfs_refresh_inode kernfs 6 11 2227d 2325d
KCSAN: data-race in generic_permission / kernfs_refresh_inode (3) kernfs 6 3 2231d 2271d
KCSAN: data-race in __fput / kernfs_refresh_inode (2) kernfs 6 3 2248d 2288d
KCSAN: data-race in kernfs_refresh_inode / may_open.isra.0 (2) kernfs 6 1 2253d 2253d
net test error: general protection fault in kernfs_find_ns kernfs -1 3 2303d 2303d
KCSAN: data-race in inode_permission / kernfs_refresh_inode kernfs 6 1 2257d 2257d
linux-next test error: general protection fault in kernfs_find_ns kernfs -1 3 2303d 2303d
WARNING in kernfs_remove_by_name_ns kernfs -1 4 2379d 2454d
KCSAN: data-race in kernfs_refresh_inode / security_file_permission kernfs 6 4 2313d 2331d
KCSAN: data-race in kernfs_refresh_inode / process_measurement kernfs 6 1 2313d 2313d
KCSAN: data-race in kernfs_refresh_inode / tomoyo_realpath_from_path kernfs 6 3 2316d 2323d
KCSAN: data-race in do_sys_open / kernfs_refresh_inode kernfs 6 1 2316d 2316d
KCSAN: data-race in kernfs_fop_open / kernfs_refresh_inode kernfs 6 2 2314d 2316d
KCSAN: data-race in generic_permission / kernfs_refresh_inode (2) kernfs 6 35 2313d 2340d
KCSAN: data-race in __fput / kernfs_refresh_inode kernfs 6 2 2319d 2321d
KCSAN: data-race in kernfs_refresh_inode / may_open.isra.0 kernfs 6 1 2329d 2329d
KCSAN: data-race in kernfs_refresh_inode / security_file_open kernfs 6 1 2320d 2320d
KCSAN: data-race in kernfs_refresh_inode / privileged_wrt_inode_uidgid kernfs 6 2 2322d 2326d
INFO: task hung in kernfs_notify_workfn kernfs 1 3 2414d 2418d
INFO: task hung in kernfs_iop_permission kernfs 1 2 2417d 2420d
INFO: task hung in kernfs_iop_get_link kernfs 1 1 2418d 2418d
INFO: task hung in kernfs_find_and_get_ns kernfs 1 2 2493d 2565d
general protection fault in idr_remove kernfs 2 2 2450d 2585d
KCSAN: data-race in generic_permission / kernfs_refresh_inode kernfs 6 20 2340d 2351d
WARNING in kernfs_activate kernfs -1 3 2522d 2501d
BUG: unable to handle kernel paging request in kmem_cache_alloc (2) kernfs 8 6 2526d 2797d
KMSAN: uninit-value in kernfs_name kernfs 7 1 2591d 2591d
KASAN: use-after-free Read in kernfs_put kernfs 19 1 2641d 2640d
INFO: rcu detected stall in kernfs_notify_workfn kernfs 1 1 2662d 2662d
BUG: unable to handle kernel paging request in kernfs_refresh_inode kernfs 8 1 2678d 2678d
KMSAN: uninit-value in kfree kernfs 7 1 2754d 2754d
KASAN: stack-out-of-bounds Read in kernfs_refresh_inode kernfs 17 1 2806d 2806d
BUG: corrupted list in kernfs_put_open_node kernfs 8 1 2865d 2865d
INFO: task hung in __fdget_pos kernfs 1 1 2908d 2908d