syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1354]
≡ Subsystems
🐞 Fixed [7076]
🐞 Invalid [18612]
⬇ Missing Backports [221]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
✨ AI
💬 Send us feedback

Out of 215 bugs, 190 were automatically obsoleted (22 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
possible deadlock in kernfs_find_and_get_ns kernfs 4 1 116d 112d
KASAN: slab-use-after-free Read in kernfs_get (3) kernfs 19 1 82d 78d
INFO: rcu detected stall in kernfs_iop_get_link (2) kernfs 1 4 115d 162d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling (2) kernfs 6 1 86d 86d
INFO: rcu detected stall in tty_ioctl (5) kernfs 1 1 124d 124d
INFO: task hung in walk_component (5) kernfs fuse 1 C inconclusive error 133 204d 1347d
INFO: rcu detected stall in kernfs_fop_release (2) bpf kernfs 1 3 126d 138d
KASAN: slab-use-after-free Read in kernfs_new_node kernfs 19 1 143d 139d
INFO: rcu detected stall in ppp_release (2) kernfs 1 1 106d 106d
INFO: rcu detected stall in __fput_deferred kernfs 1 1 142d 142d
KCSAN: data-race in kernfs_iop_getattr / kernfs_iop_permission kernfs 6 1 108d 108d
INFO: task hung in seq_read_iter kernfs squashfs 1 syz error 4 127d 151d
BUG: unable to handle kernel paging request in kernfs_remove_by_name_ns kernfs 12 51 146d 269d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts (2) kernfs 6 2 132d 185d
WARNING: locking bug in kernfs_remove_by_name_ns kernfs 4 30 149d 272d
INFO: rcu detected stall in process_scheduled_works (3) kernfs input 1 2 179d 198d
inconsistent lock state in valid_state (6) kernfs comedi 4 2 193d 192d
possible deadlock in kernfs_node_dentry kernfs 4 1 208d 204d
INFO: task hung in pipe_write (6) kernfs netfs 1 C done done 10 213d 436d
INFO: task hung in file_start_write (2) kernfs xfs 1 3 215d 303d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (9) kernfs 6 1 189d 189d
INFO: rcu detected stall in kernfs_fop_release kernfs 1 C error 8 247d 1306d
INFO: task hung in nmi_cpu_backtrace (5) kernfs 1 1 242d 242d
KCSAN: data-race in cleanup_glue_dir / kernfs_unlink_sibling kernfs 6 1 217d 217d
possible deadlock in kernfs_link_sibling kernfs 4 30 205d 237d
INFO: rcu detected stall in netlink_release (6) kernfs 1 1 278d 278d
KCSAN: data-race in do_sys_poll / pollwake kernfs 6 5332 275d 2111d
general protection fault in kernfs_rename_ns kernfs 2 6 331d 344d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (8) kernfs 6 1 299d 299d
possible deadlock in mnt_want_write (6) kernfs 4 1 324d 320d
KMSAN: uninit-value in __kernfs_remove kernfs 7 1 393d 389d
possible deadlock in __kernfs_remove (2) kernfs 4 C 4976 369d 538d
general protection fault in kernfs_dop_revalidate kernfs 7 syz done 8 421d 520d
WARNING: fs/kernfs/dir.c:LINE at kernfs_new_node, CPU: kworker/NUM:NUM/NUM kernfs -1 1 317d 317d
INFO: task hung in __generic_file_fsync (5) kernfs 1 C inconclusive done 8 417d 482d
KASAN: slab-use-after-free Read in kernfs_add_one kernfs 19 6 419d 579d
INFO: rcu detected stall in ib_unregister_work kernfs 1 1 421d 421d
UBSAN: shift-out-of-bounds in idr_get_free kernfs -1 1 436d 432d
UBSAN: shift-out-of-bounds in radix_tree_delete_item kernfs -1 C done done 3 437d 439d
INFO: task hung in kernfs_seq_start kernfs 1 1 433d 433d
INFO: rcu detected stall in statfs (3) usb kernfs input 1 syz 1 574d 570d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (7) kernfs 6 2 411d 415d
KASAN: slab-out-of-bounds Read in __radix_tree_delete kernfs 17 syz 1 524d 520d
possible deadlock in mnt_want_write (5) kernfs 4 1 474d 470d
KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts kernfs 6 1 449d 449d
INFO: task hung in kernfs_find_and_get_ns (5) kernfs 1 19 493d 708d
KASAN: slab-use-after-free Read in kernfs_get (2) kernfs 19 2 521d 518d
INFO: task hung in vfs_set_acl kernfs 1 1 486d 486d
INFO: rcu detected stall in cleanup_net (7) kernfs rdma bridge 1 15 518d 896d
INFO: task hung in do_loopback kernfs f2fs 1 201 513d 586d
INFO: rcu detected stall in kernfs_notify_workfn (3) kernfs 1 1 546d 546d
INFO: rcu detected stall in vfs_write (2) kernfs 1 1 562d 562d
INFO: task hung in kernfs_fop_readdir (3) kernfs 1 1 562d 562d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (6) kernfs 6 1 528d 528d
INFO: task hung in vfs_fileattr_set (3) lsm kernfs jfs 1 3 564d 601d
INFO: task hung in kernfs_remove (2) kernfs 1 2 575d 586d
possible deadlock in kernfs_path_from_node kernfs 4 C error done 5 599d 595d
possible deadlock in mnt_want_write (4) kernfs 4 1 599d 595d
INFO: task hung in __generic_file_fsync (4) kernfs ext4 exfat 1 7 591d 747d
INFO: task hung in lock_two_directories (2) kernfs 1 10 591d 738d
kernel panic: corrupted stack end in hub_event (3) kernfs 2 48 577d 696d
INFO: rcu detected stall in usb_new_device kernfs 1 7 606d 655d
INFO: task hung in kernfs_iop_get_link (2) kernfs 1 1 581d 581d
INFO: task hung in eventpoll_release_file (2) kernfs 1 C error done 422 591d 647d
KCSAN: data-race in __queue_delayed_work / kvfree_call_rcu kernfs bpf 6 3 560d 575d
INFO: rcu detected stall in bus_probe_device fbdev kernfs 1 3 616d 661d
INFO: rcu detected stall in __run_timers (7) kernfs 1 25 597d 702d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (5) kernfs 6 1 589d 589d
INFO: rcu detected stall in try_to_wake_up netfilter kernfs 1 4 651d 672d
INFO: rcu detected stall in run_timer_base kernfs 1 11 651d 734d
INFO: rcu detected stall in kernfs_notify_workfn (2) kernfs 1 1 654d 654d
INFO: task hung in ep_clear_and_put kernfs 1 2 656d 686d
INFO: task hung in kernfs_iop_lookup kernfs 1 1 656d 656d
possible deadlock in kernfs_fop_write_iter kernfs 4 14 642d 667d
INFO: rcu detected stall in add_timer_on kernfs 1 1 662d 662d
INFO: task hung in kernfs_fop_readdir (2) kernfs 1 1 663d 663d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (10) kernfs 6 1 610d 610d
INFO: rcu detected stall in kswapd (2) mm kernfs 1 3 643d 664d
INFO: rcu detected stall in kernfs_fop_read_iter (3) kernfs 1 6 678d 857d
inconsistent lock state in find_vmap_area input usb kernfs 4 C done inconclusive 49 1069d 1388d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (4) kernfs 6 3 643d 664d
INFO: task hung in kernfs_remove kernfs 1 2 698d 700d
linux-next test error: BUG: key ADDR has not been registered! kernfs -1 4 680d 681d
KASAN: use-after-free Read in kernfs_add_one kernfs 19 C error inconclusive 39 750d 1681d
WARNING in kernfs_new_node (2) kernfs -1 1 726d 722d
possible deadlock in mnt_want_write (3) kernfs 4 9 747d 850d
BUG: using __this_cpu_add() in preemptible code in kernfs_fop_write_iter kernfs 4 1 748d 744d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (9) kernfs 6 1 698d 698d
KASAN: use-after-free Read in kernfs_next_descendant_post (2) usb kernfs 19 C inconclusive error 54 774d 1668d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (3) kernfs 6 1 718d 718d
KASAN: slab-use-after-free Read in kernfs_get kernfs 19 1 804d 804d
stack segment fault in __stack_depot_save kernfs mm net 2 C inconclusive done 3 849d 1010d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (2) kernfs 6 1 809d 809d
INFO: task hung in kernfs_dop_revalidate (3) kernfs 1 1 909d 909d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (8) kernfs 6 3 858d 869d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission kernfs 6 1 868d 868d
possible deadlock in walk_component (2) kernfs 4 2 979d 1016d
INFO: rcu detected stall in loop_control_ioctl kernfs 1 1 991d 991d
KCSAN: data-race in __kernfs_remove / kernfs_iop_permission kernfs 6 138 972d 1098d
KCSAN: data-race in kernfs_iop_permission / kernfs_link_sibling kernfs 6 59 975d 1094d
KMSAN: kernel-infoleak in kernfs_fop_read_iter kernfs 9 2 1037d 1039d
KASAN: slab-use-after-free Read in kernfs_xattr_get kernfs 19 1 1101d 1101d
KCSAN: data-race in dentry_lru_isolate / step_into (5) kernfs 6 1 1060d 1060d
WARNING: suspicious RCU usage in mas_state_walk (2) kernfs 4 C 18 1155d 1172d
KASAN: use-after-free Read in kernfs_get (2) kernfs 19 2 1168d 1254d
WARNING in kernfs_get (4) kernfs -1 syz error 3 1177d 1180d
INFO: task hung in kernfs_remove_by_name_ns kernfs 1 7 1168d 1345d
INFO: task hung in kernfs_iop_permission (3) kernfs arm 1 6 1172d 1247d
INFO: task hung in kernfs_dop_revalidate (2) kernfs 1 3 1186d 1240d
INFO: task hung in kernfs_find_and_get_ns (4) kernfs 1 1 1205d 1205d
WARNING in kernfs_find_and_get_node_by_id kernfs -1 C done inconclusive 302 1255d 1272d
general protection fault in kernfs_get_inode kernfs 2 C error done 10 1291d 1303d
BUG: corrupted list in kernfs_unlink_open_file kernfs 8 1 1174d 1170d
KCSAN: data-race in __radix_tree_delete / __radix_tree_replace kernfs 6 1 1199d 1199d
general protection fault in kernfs_link_sibling (3) kernfs 2 5 1176d 1176d
BUG: unable to handle kernel NULL pointer dereference in try_to_free_buffers kernfs 10 1 1210d 1206d
KASAN: null-ptr-deref Read in drop_buffers kernfs 11 5 1278d 1278d
inconsistent lock state in try_to_wake_up kernfs 4 1 1288d 1284d
INFO: task hung in kernfs_fop_readdir kernfs 1 2 1271d 1275d
KASAN: use-after-free Write in kernfs_path_from_node_locked kernfs 22 C done 9 1970d 1977d
INFO: task hung in kernfs_find_and_get_ns (3) kernfs 1 1 1286d 1286d
upstream boot error: BUG: unable to handle kernel paging request in kernfs_new_node kernfs -1 1 1352d 1348d
upstream boot error: BUG: unable to handle kernel NULL pointer dereference in qlist_free_all kernfs -1 1 1352d 1348d
upstream boot error: BUG: unable to handle kernel paging request in kernfs_create_dir_ns kernfs -1 1 1356d 1353d
INFO: task hung in kernfs_dop_revalidate kernfs 1 syz unreliable inconclusive 2 1382d 1408d
INFO: task hung in kernfs_iop_permission (2) kernfs 1 3 1355d 1448d
KASAN: use-after-free Read in kernfs_get kernfs 19 8 1386d 1507d
usb-testing boot error: BUG: unable to handle kernel paging request in kernfs_dop_revalidate kernfs -1 1 1339d 1339d
KASAN: use-after-free Read in kernfs_xattr_get kernfs 19 1 1398d 1394d
linux-next boot error: kernel BUG in __phys_addr kernfs -1 3 1353d 1357d
memory leak in iget_locked kernfs usb 3 syz 1 1895d 1893d
INFO: task hung in __kernfs_remove kernfs 1 1 1395d 1395d
KCSAN: data-race in cleanup_glue_dir / kernfs_link_sibling (2) kernfs 6 1 1341d 1341d
INFO: rcu detected stall in kernfs_fop_open (3) kernfs 1 2 1407d 1457d
KASAN: use-after-free Read in kernfs_link_sibling kernfs 19 1 1412d 1408d
INFO: rcu detected stall in clone3 (2) kernfs 1 1 1417d 1417d
KASAN: use-after-free Read in kernfs_active kernfs 19 1 1427d 1423d
INFO: rcu detected stall in sys_clone3 kernfs 1 1 1438d 1438d
INFO: rcu detected stall in newfstatat (2) kernfs 1 2 1439d 1473d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (7) kernfs 6 1 1395d 1395d
KCSAN: data-race in __radix_tree_delete / radix_tree_iter_tag_clear kernfs 6 1 1414d 1414d
KASAN: use-after-free Read in kernfs_activate kernfs 19 2 1509d 1516d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (6) kernfs 6 3 1478d 1506d
INFO: rcu detected stall in sys_unshare (6) kernfs 1 1 1535d 1535d
INFO: rcu detected stall in sys_newfstatat (2) kernfs 1 1 1538d 1538d
WARNING: locking bug in __kernfs_remove (2) kernfs 4 1 1545d 1541d
general protection fault in __kernfs_remove kernfs 17 4 1609d 1708d
general protection fault in kernfs_find_ns kernfs 2 2 1613d 1608d
INFO: trying to register non-static key in __kernfs_remove kernfs -1 1 1630d 1626d
INFO: rcu detected stall in lo_ioctl (3) kernfs 1 2 1583d 1588d
INFO: rcu detected stall in sys_clone (5) kernfs 1 5 1570d 1670d
INFO: rcu detected stall in sys_openat (2) kernfs 1 8 1546d 1758d
KASAN: use-after-free Read in timerfd_clock_was_set kernfs 19 3 1665d 1732d
WARNING in kernfs_get (3) kernfs -1 3 1606d 1610d
INFO: rcu detected stall in sys_getdents kernfs 1 1 1639d 1639d
BUG: unable to handle kernel paging request in stack_depot_save (4) kernfs 8 1 1642d 1638d
linux-next test error: WARNING: held lock freed in kernfs_destroy_root kernfs -1 36 1608d 1616d
BUG: unable to handle kernel paging request in seq_open kernfs 8 1 1666d 1662d
general protection fault in kernfs_link_sibling (2) kernfs 2 1 1652d 1648d
BUG: corrupted list in kernfs_put_open_node (2) kernfs 8 1 1686d 1682d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (5) kernfs 6 1 1652d 1652d
general protection fault in kernfs_link_sibling kernfs 2 1 1760d 1756d
WARNING: locking bug in __kernfs_remove kernfs 4 1 1735d 1731d
WARNING in kernfs_remove_by_name_ns (2) kernfs -1 1 1809d 1805d
KASAN: use-after-free Read in kernfs_next_descendant_post kernfs 19 1 1829d 1825d
KCSAN: data-race in cleanup_glue_dir / kernfs_link_sibling kernfs 6 1 1767d 1767d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (4) kernfs 6 1 1848d 1848d
KASAN: invalid-free in bdev_free_inode kernfs 24 18 1935d 1960d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (3) kernfs 6 1 1917d 1917d
INFO: task hung in kernfs_find_and_get_ns (2) kernfs 1 1 1991d 1991d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir (2) kernfs 6 2 1953d 1966d
WARNING in kernfs_get (2) kernfs -1 2 2041d 2059d
BUG: unable to handle kernel paging request in kernfs_active kernfs 8 1 2031d 2027d
BUG: unable to handle kernel paging request in qlist_free_all (6) kernfs 8 1 2032d 2028d
general protection fault in idr_remove (2) kernfs 2 1 2118d 2114d
KCSAN: data-race in __kernfs_remove / cleanup_glue_dir kernfs 6 2 2049d 2066d
general protection fault in rb_erase (3) kernfs 2 1 2123d 2119d
KCSAN: data-race in generic_fillattr / kernfs_refresh_inode kernfs 6 36 2145d 2202d
KCSAN: data-race in cleanup_glue_dir.part.0 / kernfs_unlink_sibling kernfs 6 2 2161d 2165d
BUG: unable to handle kernel NULL pointer dereference in idr_get_free kernfs 10 1 2227d 2227d
INFO: task hung in kernfs_notify_workfn (2) kernfs 1 1 2294d 2294d
KCSAN: data-race in do_dentry_open / kernfs_refresh_inode kernfs 6 11 2275d 2373d
KCSAN: data-race in generic_permission / kernfs_refresh_inode (3) kernfs 6 3 2280d 2319d
KCSAN: data-race in __fput / kernfs_refresh_inode (2) kernfs 6 3 2296d 2337d
KCSAN: data-race in kernfs_refresh_inode / may_open.isra.0 (2) kernfs 6 1 2301d 2301d
net test error: general protection fault in kernfs_find_ns kernfs -1 3 2352d 2351d
KCSAN: data-race in inode_permission / kernfs_refresh_inode kernfs 6 1 2306d 2306d
linux-next test error: general protection fault in kernfs_find_ns kernfs -1 3 2352d 2351d
WARNING in kernfs_remove_by_name_ns kernfs -1 4 2428d 2502d
KCSAN: data-race in kernfs_refresh_inode / security_file_permission kernfs 6 4 2361d 2380d
KCSAN: data-race in kernfs_refresh_inode / process_measurement kernfs 6 1 2361d 2361d
KCSAN: data-race in kernfs_refresh_inode / tomoyo_realpath_from_path kernfs 6 3 2364d 2371d
KCSAN: data-race in do_sys_open / kernfs_refresh_inode kernfs 6 1 2364d 2364d
KCSAN: data-race in kernfs_fop_open / kernfs_refresh_inode kernfs 6 2 2362d 2364d
KCSAN: data-race in generic_permission / kernfs_refresh_inode (2) kernfs 6 35 2361d 2388d
KCSAN: data-race in __fput / kernfs_refresh_inode kernfs 6 2 2368d 2369d
KCSAN: data-race in kernfs_refresh_inode / may_open.isra.0 kernfs 6 1 2377d 2377d
KCSAN: data-race in kernfs_refresh_inode / security_file_open kernfs 6 1 2368d 2368d
KCSAN: data-race in kernfs_refresh_inode / privileged_wrt_inode_uidgid kernfs 6 2 2370d 2375d
INFO: task hung in kernfs_notify_workfn kernfs 1 3 2463d 2467d
INFO: task hung in kernfs_iop_permission kernfs 1 2 2465d 2468d
INFO: task hung in kernfs_iop_get_link kernfs 1 1 2467d 2466d
INFO: task hung in kernfs_find_and_get_ns kernfs 1 2 2542d 2613d
general protection fault in idr_remove kernfs 2 2 2499d 2633d
KCSAN: data-race in generic_permission / kernfs_refresh_inode kernfs 6 20 2389d 2399d
WARNING in kernfs_activate kernfs -1 3 2571d 2550d
BUG: unable to handle kernel paging request in kmem_cache_alloc (2) kernfs 8 6 2574d 2845d
KMSAN: uninit-value in kernfs_name kernfs 7 1 2639d 2639d
KASAN: use-after-free Read in kernfs_put kernfs 19 1 2689d 2688d
INFO: rcu detected stall in kernfs_notify_workfn kernfs 1 1 2711d 2711d
BUG: unable to handle kernel paging request in kernfs_refresh_inode kernfs 8 1 2727d 2726d
KMSAN: uninit-value in kfree kernfs 7 1 2803d 2803d
KASAN: stack-out-of-bounds Read in kernfs_refresh_inode kernfs 17 1 2854d 2854d
BUG: corrupted list in kernfs_put_open_node kernfs 8 1 2913d 2913d
INFO: task hung in __fdget_pos kernfs 1 1 2956d 2956d