syzbot

 sign-in | mailing list | source | docs
🐞 Open [1563]
≡ Subsystems
🐞 Fixed [6187]
🐞 Invalid [15516]
⬇ Missing Backports [178]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

fs subsystem


List(s): linux-fsdevel@vger.kernel.org
Fixed bugs: 371
Parent subsystem(s): kernel (86)
Child subsystems: afs (4) autofs (2) bcachefs (135) bfs (2) btrfs (50) erofs (0) exfat (13) ext4 (79) f2fs (9) fscrypt (0) fsverity (0) fuse (4) gfs2 (15) hfs (43) iomap (3) isofs (2) jffs2 (3) jfs (51) kernfs (30) netfs (11) nfs (8) nilfs (7) ntfs3 (45) ocfs2 (73) orangefs (0) overlayfs (3) squashfs (2) udf (6) v9fs (8) xfs (24)
open (62):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in file_end_write / posix_acl_update_mode fs 1 6d23h 6d22h 💬 2 [6d20h]
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 1 14d 13d
BUG: sleeping function called from invalid context in folio_mc_copy mm fs C done 2978 now 18d PATCH [6h01m]
KCSAN: data-race in __lookup_mnt / __se_sys_pivot_root (6) fs 1 26d 26d 💬 1 [25d]
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (8) fs mm 2 31d 35d PATCH [35d]
WARNING: bad unlock balance in traverse fs C 22 6d03h 47d
BUG: unable to handle kernel paging request in lookup_one_qstr_excl fs C done 7696 47d 59d
WARNING: refcount bug in io_submit_one fs C 4 49d 63d
upstream test error: BUG: unable to handle kernel paging request in put_links fs 3 76d 70d
WARNING: bad unlock balance in seq_read_iter fs C 21 1d09h 73d PATCH [73d]
WARNING in stable_page_flags fs syz 2 79d 80d 💬 3 [77d]
BUG: corrupted list in remove_wait_queue (2) fs C 7 1d13h 82d PATCH [7d22h]
possible deadlock in v2_read_dquot fs 1 98d 84d
KASAN: global-out-of-bounds Read in number fs C done 6 91d 92d PATCH [90d]
kernel BUG in kpagecount_read fs 5 53d 94d 💬 2 [94d]
WARNING in minix_rmdir fs C inconclusive 12 4d11h 96d
WARNING in mnt_ns_release fs C error 7 103d 112d 💬 1 [100d]
possible deadlock in __configfs_open_file fs C 12 7d18h 113d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 14d 114d
WARNING in minix_unlink fs C inconclusive 264 6d19h 143d 💬 6 [141d]
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs C done 1953 15h41m 149d 💬 1 [8d08h]
WARNING in rcu_sync_dtor (2) fs C done 84 12h02m 149d 💬 2 [149d]
WARNING in fanotify_handle_event (2) fs C 6 3d23h 154d 💬 1 [153d]
WARNING in vfs_set_acl fs 14 11d 175d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 29 4d19h 178d
INFO: task hung in do_coredump (3) fs C 331 18d 179d 💬 3 [164d]
INFO: rcu detected stall in __fsnotify_parent usb input fs C 7 165d 193d
possible deadlock in input_inject_event fs syz done 765 1d19h 199d
BUG: unable to handle kernel NULL pointer dereference in read_cache_folio fs C 11 31d 200d PATCH [181d]
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3639 24d 225d 💬 1 [37d]
WARNING in iov_iter_revert (5) fs C error error 7 15d 237d
KASAN: slab-use-after-free Read in lockref_get wireless fs C done inconclusive 20 15h06m 273d PATCH [272d]
general protection fault in iter_file_splice_write fs C done 2689 7h49m 329d PATCH [161d]
KASAN: use-after-free Read in sysv_new_inode (2) fs C inconclusive 21224 7d23h 341d
INFO: rcu detected stall in sys_close (7) bpf fs C error 9 6d21h 361d
INFO: task hung in do_new_mount (2) fs C error done 20 89d 389d 💬 2 [240d]
KASAN: null-ptr-deref Write in do_pagemap_cmd fs C inconclusive 17 16d 406d PATCH [11d]
BUG: soft lockup in pipe_read fs mm syz 5 68d 446d
WARNING: proc registration bug in bcm_connect fs C inconclusive inconclusive 322 224d 489d PATCH [248d]
go runtime error fs syz error inconclusive 23 22d 508d
INFO: task hung in user_get_super (2) fs C 469 42d 512d
INFO: task hung in __fdget_pos (4) fs C error done 297 196d 590d 💬 18 [165d]
WARNING in __brelse (3) fs C done done 1118 32d 628d PATCH [607d]
UBSAN: shift-out-of-bounds in befs_check_sb fs C error done 36 25d 642d PATCH [284d]
INFO: rcu detected stall in vfs_readlink fs C 3 104d 696d 💬 2 [693d]
INFO: task hung in synchronize_rcu (4) net fs C done error 887 11d 712d 💬 6 [256d]
WARNING in invalidate_bh_lru fs C done done 5265 17d 845d 💬 5 [399d]
WARNING in do_mkdirat fs C error error 372 5h10m 863d 💬 22 [427d]
WARNING in path_openat fs C error done 155 13d 865d 💬 1 [427d]
KASAN: use-after-free Read in sysv_new_block fs C error done 1105 20d 865d
INFO: task hung in lookup_slow (3) fs C unreliable 1773 1d00h 886d 💬 2 [244d]
INFO: task hung in path_openat (7) fs C unreliable 4255 14h04m 921d 💬 2 [220d]
WARNING in inc_nlink (3) fs C error error 6818 1d06h 1124d 💬 1 [270d]
INFO: task hung in filename_create (4) fs C error error 2104 17h33m 1210d
UBSAN: shift-out-of-bounds in minix_statfs fs C inconclusive error 62 3d20h 1219d PATCH [550d]
possible deadlock in input_event (2) fs C inconclusive 5661 1d19h 1251d 💬 3 [270d]
INFO: task hung in sys_io_destroy fs C inconclusive inconclusive 2 21d 1363d 💬 4 [1344d]
memory leak in path_openat (2) fs C 5 491d 1518d 💬 1 [1518d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1337d 1690d
INFO: rcu detected stall in seq_read (2) fs C done error 5 1140d 1727d 💬 1 [1727d]
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 1007d 1905d 💬 2 [1798d]
INFO: task hung in d_alloc_parallel (2) fs C done error 1411 31d 2001d
moderation (76):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in chmod_common (2) fs 1 4d10h 10h00m
WARNING in notify_change (7) fs 1 7d07h 3d07h
KCSAN: data-race in __dentry_kill / d_set_d_op (20) fs 1 6d03h 6d03h
KCSAN: data-race in file_update_time / inode_update_timestamps (3) fs 1 6d15h 6d15h
KCSAN: data-race in __dentry_kill / dont_mount fs 1 9d15h 9d15h
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 2 13d 13d
BUG: unable to handle kernel paging request in do_dentry_open fs efi 1 21d 17d
WARNING in do_loopback (3) fs 1 21d 17d
KCSAN: data-race in filemap_read / filemap_read (5) fs 1 19d 19d
BUG: scheduling while atomic in irqentry_exit_to_user_mode fs 1 23d 19d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lrus_cpu (14) fs 1 20d 20d
KCSAN: data-race in fill_mg_cmtime / simple_rename_timestamp (2) fs 1 21d 21d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 1 22d 22d
KCSAN: data-race in __d_rehash / fast_dput (4) fs 4 5d09h 31d
KASAN: stack-out-of-bounds Read in fanotify_read fs 1 35d 31d
WARNING in do_new_mount (4) fs 2 30d 31d
KCSAN: data-race in d_walk / shrink_dentry_list (2) fs 1 38d 38d
KCSAN: data-race in pipe_poll / pipe_resize_ring (2) fs 1 41d 41d
INFO: trying to register non-static key in simple_recursive_removal fs 2 42d 42d
WARNING in cleanup_mnt (5) fs 4 15d 44d
KCSAN: data-race in d_alloc_parallel / d_set_d_op (12) fs 1 49d 49d
KCSAN: data-race in do_timerfd_settime / do_timerfd_settime (4) fs 1 49d 49d
KCSAN: data-race in __d_lookup_rcu / __d_rehash (8) fs 1 49d 49d
KCSAN: data-race in __dentry_kill / lookup_fast (13) fs 5 1d09h 49d
KCSAN: data-race in do_readv / do_sendfile (2) fs 1 50d 50d
WARNING in retire_sysctl_set (3) fs 1 54d 50d
KCSAN: data-race in pipe_double_lock / pipe_release (7) fs 1 52d 52d
KCSAN: data-race in xas_create / xas_find (9) mm fs 2 48d 61d
KCSAN: data-race in __d_lookup_rcu_op_compare / __d_rehash (3) fs 4 24d 64d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 11 13d 69d
general protection fault in fsnotify_pre_content fs 1 75d 71d
general protection fault in path_init (3) fs 8 69d 74d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (7) fs mm 3 38d 78d
KASAN: slab-out-of-bounds Read in seq_printf fs 3 41d 78d
WARNING in vfs_utimes (3) fs 1 84d 80d
KCSAN: data-race in __d_lookup / __d_rehash (9) fs 7 36d 108d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) mm fs 4 52d 112d
general protection fault in simple_recursive_removal (4) fs 14 14d 119d
KCSAN: data-race in drop_nlink / generic_fillattr (9) fs 4 29d 122d
KCSAN: data-race in generic_fillattr / inode_set_ctime_to_ts fs 4 20d 128d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 4 39d 132d
general protection fault in sysfs_move_dir_ns fs 10 14d 136d
KCSAN: data-race in __d_instantiate / step_into (3) fs 6 5d05h 137d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 325 21h37m 147d
KCSAN: data-race in __dentry_kill / shrink_dentry_list (5) fs 6 54d 148d
KCSAN: data-race in do_sendfile / do_sendfile (10) fs 9 22d 152d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 23 23d 184d
KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (3) fs 9 38d 191d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 22 6d11h 192d
BUG: soft lockup in sys_perf_event_open (2) kvm fs 6 87d 194d
BUG: corrupted list in vfs_setxattr fs 20 13d 195d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 73 15d 278d
KCSAN: data-race in d_delete / lookup_fast (7) fs 58 3d21h 287d
KCSAN: data-race in __dentry_kill / step_into (8) fs 23 54d 287d
KCSAN: data-race in pollwake / pollwake (5) fs 376 1d02h 294d
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 24 18m 300d
KCSAN: data-race in __dentry_kill / fast_dput (2) fs 92 22h47m 318d
KCSAN: data-race in touch_atime / touch_atime (3) fs 224 1d15h 323d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 381 1d12h 342d
WARNING in vfs_setxattr (3) fs 309 1h03m 363d
WARNING in chown_common fs 81 2d03h 364d
KCSAN: data-race in vmalloc_info_show / vmalloc_info_show fs 594 21h34m 395d
WARNING in do_mknodat (3) fs 159 8h27m 409d
KCSAN: data-race in atime_needs_update / touch_atime (2) fs 258 2d05h 438d
KCSAN: data-race in do_select / pollwake (2) fs 1380 1d15h 493d
KCSAN: data-race in atime_needs_update / inode_update_timestamps fs 271 3d15h 493d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 427 1d01h 493d
KCSAN: data-race in dont_mount / lookup_fast fs syz 806 1d15h 494d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) fs syz 978 355d 494d
KCSAN: data-race in dentry_unlink_inode / step_into fs syz 1785 1d02h 494d
KCSAN: data-race in d_delete / step_into (6) fs 762 5d02h 494d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4543 1d02h 1388d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1510 2d14h 1662d
KCSAN: data-race in do_sys_poll / pollwake fs 5078 1d15h 1731d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4067 9d10h 1952d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1876 22h37m 1958d