syzbot


fs subsystem


List(s): linux-fsdevel@vger.kernel.org
Fixed bugs: 364
Parent subsystem(s): kernel (92)
Child subsystems: afs (2) autofs (2) bcachefs (147) bfs (2) btrfs (52) erofs (0) exfat (26) ext4 (75) f2fs (11) fscrypt (0) fsverity (0) fuse (5) gfs2 (15) hfs (45) iomap (1) isofs (2) jffs2 (3) jfs (53) kernfs (25) netfs (4) nfs (10) nilfs (5) ntfs3 (46) ocfs2 (75) orangefs (0) overlayfs (4) reiserfs (0) squashfs (2) udf (9) v9fs (12) xfs (22)
open (65):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
upstream test error: BUG: unable to handle kernel paging request in put_links fs 3 9d23h 4d20h
KMSAN: uninit-value in full_proxy_poll fs C 76 6d04h 5d03h 💬 1 [5d03h]
KMSAN: uninit-value in full_proxy_unlocked_ioctl fs C 166 6d02h 5d15h PATCH [4d17h]
WARNING: bad unlock balance in seq_read_iter fs C 7 4d13h 7d08h PATCH [6d22h]
WARNING in stable_page_flags fs syz 2 13d 14d 💬 3 [11d]
BUG: corrupted list in remove_wait_queue (2) fs C 7 5d09h 16d
possible deadlock in v2_read_dquot fs 1 32d 18d
possible deadlock in start_creating (2) fs 20 25d 18d
KASAN: global-out-of-bounds Read in number fs C done 6 25d 26d PATCH [23d]
kernel BUG in kpagecount_read fs 4 13d 28d 💬 2 [28d]
possible deadlock in iterate_dir (2) fs 1 36d 28d
WARNING in minix_rmdir fs C inconclusive 10 25d 30d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (2) mm fs 1 32d 31d
KCSAN: data-race in page_cache_async_ra / page_cache_async_ra fs mm 1 39d 39d
KCSAN: data-race in read_pages / read_pages (4) fs mm 2 38d 43d
WARNING in mnt_ns_release fs C error 7 37d 46d 💬 1 [34d]
possible deadlock in __configfs_open_file fs C 11 21d 47d
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 2 5d02h 48d
KASAN: slab-use-after-free Read in u32_array_open fs syz 1 54d 50d
KASAN: slab-use-after-free Read in debugfs_u32_get fs syz 1 40d 50d
WARNING in minix_unlink fs C inconclusive 214 1d07h 77d 💬 6 [74d]
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs C 1186 6h23m 83d 💬 1 [83d]
WARNING in rcu_sync_dtor (2) fs C done 5 9d23h 83d 💬 2 [83d]
WARNING in fanotify_handle_event (2) fs C 5 7d22h 88d 💬 1 [87d]
WARNING in vfs_set_acl fs 12 50d 109d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 26 17d 112d
INFO: task hung in do_coredump (3) fs C 270 16h09m 113d 💬 3 [98d]
WARNING: locking bug in rto_push_irq_work_func fs net 3 34d 116d 💬 1 [73d]
INFO: rcu detected stall in __fsnotify_parent usb input fs C 7 99d 127d
KASAN: null-ptr-deref Read in drop_buffers (3) fs C 96 16d 129d 💬 1 [113d]
BUG: unable to handle kernel NULL pointer dereference in read_cache_folio fs C 11 35d 134d PATCH [115d]
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3624 5d07h 159d 💬 1 [2d16h]
KASAN: slab-use-after-free Read in lockref_get wireless fs C done 11 26d 207d PATCH [206d]
general protection fault in iter_file_splice_write fs C done 2634 7h52m 263d PATCH [95d]
KASAN: use-after-free Read in sysv_new_inode (2) fs C inconclusive 13853 now 274d
INFO: rcu detected stall in sys_mount (7) fs C inconclusive done 41 45d 287d
INFO: task hung in do_new_mount (2) fs C error done 20 23d 323d 💬 2 [174d]
KASAN: null-ptr-deref Write in do_pagemap_cmd fs C 14 33d 340d PATCH [339d]
BUG: soft lockup in pipe_read mm fs syz 5 2d17h 380d
BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan fs C inconclusive done 38 18d 411d 💬 1 [183d]
WARNING: proc registration bug in bcm_connect fs C inconclusive inconclusive 322 158d 423d PATCH [182d]
go runtime error fs syz error inconclusive 22 15d 442d
INFO: task hung in user_get_super (2) fs C 467 18d 446d
INFO: task hung in __fdget_pos (4) fs C error done 297 130d 524d 💬 18 [99d]
WARNING in __brelse (3) fs C done done 1114 12d 562d PATCH [541d]
UBSAN: shift-out-of-bounds in befs_check_sb fs C error done 36 29d 576d PATCH [218d]
INFO: rcu detected stall in vfs_readlink fs C 3 38d 630d 💬 2 [627d]
INFO: task hung in synchronize_rcu (4) net fs C done error 884 6d23h 646d 💬 6 [189d]
WARNING in invalidate_bh_lru fs C done done 5256 12d 779d 💬 5 [333d]
possible deadlock in page_cache_ra_unbounded mm fs C error 163 19d 779d
WARNING in do_mkdirat fs C error error 290 1d20h 797d 💬 22 [361d]
WARNING in path_openat fs C error done 143 12d 799d 💬 1 [361d]
KASAN: use-after-free Read in sysv_new_block fs C error done 592 9h57m 799d
INFO: task hung in lookup_slow (3) fs C unreliable 1745 1d23h 820d 💬 2 [178d]
INFO: task hung in path_openat (7) fs C unreliable 4185 15h11m 855d 💬 2 [154d]
WARNING in inc_nlink (3) fs C error error 5283 now 1058d 💬 1 [204d]
INFO: task hung in filename_create (4) fs C error error 2067 1d05h 1144d
UBSAN: shift-out-of-bounds in minix_statfs fs C inconclusive error 56 16d 1152d PATCH [484d]
possible deadlock in input_event (2) fs C inconclusive 5353 1d05h 1185d 💬 3 [204d]
INFO: task hung in sys_io_destroy fs C inconclusive inconclusive 2 25d 1297d 💬 4 [1278d]
memory leak in path_openat (2) fs C 5 425d 1451d 💬 1 [1451d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1271d 1624d
INFO: rcu detected stall in seq_read (2) fs C done error 5 1074d 1661d 💬 1 [1661d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 941d 1838d 💬 2 [1732d]
INFO: task hung in d_alloc_parallel (2) fs C done error 1406 2d18h 1935d
moderation (83):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in do_epoll_wait / ep_poll_callback (12) fs 1 25m 24m
KCSAN: data-race in generic_fillattr / setattr_copy (3) fs 1 1d11h 1d11h
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 1 3d03h 3d03h
general protection fault in fsnotify_pre_content fs 1 9d00h 5d00h
general protection fault in path_init (3) fs 8 3d15h 8d15h
KCSAN: data-race in fsnotify_destroy_mark / inotify_handle_inode_event (8) fs 1 9d02h 9d02h
KCSAN: data-race in pipe_poll / pipe_release (9) fs 2 8d19h 9d23h
WARNING: bad unlock balance in traverse fs 4 9d14h 10d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (7) fs mm 2 3d20h 12d
KASAN: slab-out-of-bounds Read in seq_printf fs 2 4d07h 12d
WARNING in vfs_utimes (3) fs 1 18d 14d
KCSAN: data-race in ___d_drop / __d_lookup (3) fs 1 20d 20d
general protection fault in mark_buffer_dirty fs 1 27d 23d
WARNING in do_epoll_wait fs 1 28d 24d
KCSAN: data-race in fasync_remove_entry / kill_fasync (13) fs 1 24d 24d
linux-next test error: WARNING in __debugfs_file_get fs 6 28d 26d
KCSAN: data-race in generic_permission / setattr_copy (8) fs 1 27d 27d
KASAN: stack-out-of-bounds Read in unwind_next_frame (3) fs 1 34d 30d
KCSAN: data-race in page_cache_sync_ra / read_pages (2) fs 1 30d 30d
WARNING in do_new_mount (3) fs 1 36d 32d
KCSAN: data-race in __d_instantiate / lookup_fast (9) fs 1 32d 32d
WARNING in do_move_mount (2) fs 1 42d 38d
general protection fault in trace_event_raw_event_hugetlbfs_alloc_inode fs mm 1 43d 39d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark fs mm 2 18d 39d
KCSAN: data-race in __lookup_mnt / attach_recursive_mnt fs 1 40d 40d
KCSAN: data-race in __d_lookup / __d_rehash (9) fs 5 8d05h 42d
WARNING in lookup_slow (3) fs 1 46d 42d
KCSAN: data-race in __dentry_kill / __dentry_kill (5) fs 1 43d 43d
KCSAN: data-race in fill_mg_cmtime / simple_rename_timestamp fs 3 18d 43d
KCSAN: data-race in d_alloc_parallel / d_set_d_op (11) fs 1 43d 43d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 3 18d 46d
general protection fault in seq_read_iter fs 1 51d 47d
general protection fault in __put_mountpoint fs 3 41d 47d
general protection fault in simple_recursive_removal (4) fs 2 19d 53d
WARNING: ODEBUG bug in remove_vm_area fs 3 51d 53d
BUG: Dentry still in use in unmount (2) fs 1 58d 54d
KCSAN: data-race in drop_nlink / generic_fillattr (9) fs 3 12d 56d
KCSAN: data-race in filemap_flush / xas_set_mark (3) fs mm 14 11d 61d
KCSAN: data-race in generic_fillattr / inode_set_ctime_to_ts fs 3 18h32m 61d
KCSAN: data-race in inode_set_ctime_to_ts / inode_update_timestamps fs 4 7d09h 63d
WARNING in do_renameat2 fs 2 26d 65d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) fs mm 3 20d 66d
general protection fault in sysfs_move_dir_ns fs 4 1d20h 70d
KCSAN: data-race in __d_instantiate / step_into (3) fs 3 30d 71d
KCSAN: data-race in drop_sysctl_table / proc_sys_revalidate fs 2 30d 79d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 182 2h24m 81d
KCSAN: data-race in __dentry_kill / shrink_dentry_list (5) fs 5 2d05h 82d
KCSAN: data-race in do_sendfile / do_sendfile (10) fs 7 16d 86d
KCSAN: data-race in pipe_lock / pipe_release (15) fs 3 14d 87d
KCSAN: data-race in __dentry_kill / lookup_fast (12) fs 3 39d 92d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 17 1d13h 117d
KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (3) fs 8 25d 125d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 15 3d04h 125d
BUG: soft lockup in sys_perf_event_open (2) kvm fs 6 21d 128d
BUG: corrupted list in vfs_setxattr fs 12 19d 129d
INFO: task hung in writeback_iter fs mm 145 21d 130d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 6 6d09h 143d
INFO: task hung in pipe_release (5) fs 160 37d 146d
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event (3) fs 24 3d09h 162d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 52 3d13h 212d
KCSAN: data-race in __d_rehash / fast_dput (3) fs 20 41d 216d
KCSAN: data-race in d_delete / lookup_fast (7) fs 48 9d02h 221d
KCSAN: data-race in __dentry_kill / step_into (8) fs 22 19d 221d
KCSAN: data-race in pollwake / pollwake (5) fs 278 2h15m 228d
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 22 12d 234d
KCSAN: data-race in __dentry_kill / fast_dput (2) fs 61 1d01h 252d
KCSAN: data-race in touch_atime / touch_atime (3) fs 170 14h47m 257d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 257 1h37m 276d
WARNING in vfs_setxattr (3) fs 239 1d01h 296d
WARNING in chown_common fs 53 6d11h 298d
WARNING in chmod_common fs 9 54d 303d
KCSAN: data-race in vmalloc_info_show / vmalloc_info_show fs 477 1d01h 329d
WARNING in do_mknodat (3) fs 139 2d02h 343d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 412 9d01h 427d
KCSAN: data-race in dont_mount / lookup_fast fs syz 765 5h38m 428d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) fs syz 978 289d 428d
KCSAN: data-race in dentry_unlink_inode / step_into fs syz 1673 5h08m 428d
KCSAN: data-race in d_delete / step_into (6) fs 744 20h04m 428d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4421 5h28m 1322d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1483 2d10h 1596d
KCSAN: data-race in do_sys_poll / pollwake fs 4876 5h25m 1665d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4061 2d09h 1886d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1709 4h33m 1892d