syzbot


fs subsystem


List(s): linux-fsdevel@vger.kernel.org
Fixed bugs: 364
Parent subsystem(s): kernel (93)
Child subsystems: afs (2) autofs (0) bcachefs (129) bfs (3) btrfs (57) erofs (0) exfat (26) ext4 (74) f2fs (13) fscrypt (0) fsverity (0) fuse (4) gfs2 (15) hfs (45) iomap (1) isofs (1) jffs2 (3) jfs (55) kernfs (23) netfs (5) nfs (7) nilfs (8) ntfs3 (46) ocfs2 (73) orangefs (1) overlayfs (4) reiserfs (0) squashfs (2) udf (9) v9fs (12) xfs (23)
open (62):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in v2_read_dquot fs 1 14d 4h03m
possible deadlock in start_creating (2) fs 20 7d05h 4h03m
KASAN: global-out-of-bounds Read in number fs C done 6 7d10h 8d01h PATCH [5d14h]
kernel BUG in kpagecount_read fs 3 5d18h 10d 💬 2 [10d]
possible deadlock in iterate_dir (2) fs 1 18d 10d
WARNING in minix_rmdir fs C inconclusive 10 7d07h 12d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (2) fs mm 1 13d 13d
INFO: task hung in __generic_file_fsync (5) fs C inconclusive 8 15d 17d
KCSAN: data-race in page_cache_async_ra / page_cache_async_ra fs mm 1 21d 21d
KCSAN: data-race in read_pages / read_pages (4) fs mm 2 19d 24d
WARNING in mnt_ns_release fs C error 7 19d 27d 💬 1 [16d]
possible deadlock in __configfs_open_file fs C 11 3d06h 29d
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 1 34d 30d
KASAN: slab-use-after-free Read in u32_array_open fs syz 1 35d 31d
KASAN: slab-use-after-free Read in debugfs_u32_get fs syz 1 22d 32d
WARNING in minix_unlink fs C inconclusive 191 7h39m 59d 💬 6 [56d]
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs C 950 42m 64d 💬 1 [64d]
WARNING in rcu_sync_dtor (2) fs C done 5 27d 65d 💬 2 [64d]
WARNING in fanotify_handle_event (2) fs C 5 12d 69d 💬 1 [69d]
INFO: rcu detected stall in __virt_addr_valid usb fs input syz 1 86d 82d
WARNING in vfs_set_acl fs 12 32d 91d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 25 8d20h 94d
INFO: task hung in do_coredump (3) fs C 255 1d07h 95d 💬 3 [80d]
WARNING: locking bug in rto_push_irq_work_func fs net 3 16d 97d 💬 1 [55d]
stack segment fault in folio_wait_writeback fs mm syz 4 98d 99d 💬 2 [97d]
INFO: rcu detected stall in __fsnotify_parent usb input fs C 7 81d 109d
possible deadlock in input_inject_event fs syz done 539 1d19h 115d
BUG: unable to handle kernel NULL pointer dereference in read_cache_folio fs C 11 17d 116d PATCH [97d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3622 2d10h 140d 💬 1 [14d]
KASAN: slab-use-after-free Read in lockref_get wireless fs C done 11 8d11h 188d PATCH [188d]
general protection fault in iter_file_splice_write fs C done 2559 4h41m 245d PATCH [77d]
KASAN: use-after-free Read in sysv_new_inode (2) fs C inconclusive 11289 now 256d
INFO: rcu detected stall in sys_mount (7) fs C inconclusive done 41 27d 269d
INFO: task hung in do_new_mount (2) fs C error done 20 4d16h 305d 💬 2 [156d]
KASAN: null-ptr-deref Write in do_pagemap_cmd fs C 14 15d 322d PATCH [321d]
BUG: soft lockup in pipe_read fs mm syz 4 221d 361d
BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan fs C inconclusive done 38 13h54m 392d 💬 1 [165d]
WARNING: proc registration bug in bcm_connect fs C inconclusive inconclusive 322 140d 405d PATCH [164d]
go runtime error fs syz error inconclusive 21 52d 424d
INFO: task hung in user_get_super (2) fs C 466 1d16h 428d
WARNING in mark_buffer_dirty (6) fs C error 10858 1h46m 461d PATCH [13d]
INFO: task hung in __fdget_pos (4) fs C error done 297 112d 505d 💬 18 [81d]
UBSAN: shift-out-of-bounds in befs_check_sb fs C error done 36 11d 558d PATCH [200d]
INFO: rcu detected stall in vfs_readlink fs usb C 3 20d 611d 💬 2 [609d]
INFO: task hung in synchronize_rcu (4) net fs C done error 881 1d21h 627d 💬 6 [171d]
WARNING in invalidate_bh_lru fs C done done 5249 2d03h 760d 💬 5 [315d]
possible deadlock in page_cache_ra_unbounded mm fs C error 163 17h05m 761d
WARNING in do_mkdirat fs C error error 280 59m 779d 💬 22 [342d]
WARNING in path_openat fs C error done 142 5d12h 780d 💬 1 [342d]
KASAN: use-after-free Read in sysv_new_block fs C error done 461 1h49m 781d
INFO: task hung in lookup_slow (3) fs C unreliable 1741 8d01h 801d 💬 2 [160d]
INFO: task hung in path_openat (7) fs C unreliable 4175 22h02m 837d 💬 2 [135d]
WARNING in inc_nlink (3) fs C error error 4724 2h36m 1040d 💬 1 [186d]
INFO: task hung in filename_create (4) fs C error error 2063 16h01m 1125d
UBSAN: shift-out-of-bounds in minix_statfs fs C inconclusive error 56 12d 1134d PATCH [466d]
possible deadlock in input_event (2) fs C inconclusive 5332 2h16m 1167d 💬 3 [186d]
INFO: task hung in sys_io_destroy fs C inconclusive inconclusive 2 6d19h 1279d 💬 4 [1260d]
memory leak in path_openat (2) fs C 5 407d 1433d 💬 1 [1433d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1253d 1605d
INFO: rcu detected stall in seq_read (2) fs C done error 5 1056d 1643d 💬 1 [1643d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 923d 1820d 💬 2 [1714d]
INFO: task hung in d_alloc_parallel (2) fs C done error 1404 2d06h 1916d
moderation (84):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in ___d_drop / __d_lookup (3) fs 1 1d18h 1d18h
general protection fault in mark_buffer_dirty fs 1 9d10h 5d10h
WARNING in do_epoll_wait fs 1 10d 6d02h
KCSAN: data-race in fasync_remove_entry / kill_fasync (13) fs 1 6d08h 6d08h
linux-next test error: WARNING in __debugfs_file_get fs 6 9d16h 8d09h
KCSAN: data-race in generic_permission / setattr_copy (8) fs 1 9d09h 9d09h
KASAN: stack-out-of-bounds Read in unwind_next_frame (3) fs 1 16d 12d
KCSAN: data-race in page_cache_sync_ra / read_pages (2) fs 1 12d 12d
WARNING in do_new_mount (3) fs 1 18d 14d
KCSAN: data-race in __d_instantiate / lookup_fast (9) fs 1 14d 14d
WARNING in do_move_mount (2) fs 1 24d 20d
general protection fault in trace_event_raw_event_hugetlbfs_alloc_inode fs mm 1 25d 21d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark fs mm 2 7m 21d
KCSAN: data-race in __lookup_mnt / attach_recursive_mnt fs 1 21d 21d
KCSAN: data-race in __d_lookup / __d_rehash (9) fs 3 2d11h 23d
WARNING in lookup_slow (3) fs 1 28d 24d
KCSAN: data-race in __dentry_kill / __dentry_kill (5) fs 1 24d 24d
KCSAN: data-race in fill_mg_cmtime / simple_rename_timestamp fs 3 5h27m 24d
KCSAN: data-race in d_alloc_parallel / d_set_d_op (11) fs 1 25d 25d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 3 14h11m 28d
general protection fault in seq_read_iter fs 1 32d 28d
general protection fault in __put_mountpoint fs 3 23d 29d
general protection fault in simple_recursive_removal (4) fs 2 1d03h 34d
WARNING: ODEBUG bug in remove_vm_area fs 3 33d 34d
BUG: Dentry still in use in unmount (2) fs 1 39d 35d
KCSAN: data-race in drop_nlink / generic_fillattr (9) fs 2 16d 37d
KCSAN: data-race in file_update_time / inode_set_ctime_to_ts fs 1 39d 39d
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 10 1d15h 42d
KCSAN: data-race in generic_fillattr / inode_set_ctime_to_ts fs 1 43d 43d
KCSAN: data-race in __dentry_kill / d_set_d_op (19) fs 1 44d 44d
KCSAN: data-race in inode_set_ctime_to_ts / inode_update_timestamps fs 2 8d21h 44d
WARNING in do_renameat2 fs 2 8d09h 47d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 3 1d21h 47d
KCSAN: data-race in fill_mg_cmtime / inode_update_timestamps fs 1 50d 50d
general protection fault in sysfs_move_dir_ns fs 3 9d20h 52d
KCSAN: data-race in generic_fillattr / setattr_copy (2) fs 1 53d 53d
KCSAN: data-race in __d_instantiate / step_into (3) fs 3 12d 53d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 54d 54d
KCSAN: data-race in generic_fillattr / inode_update_timestamps (3) fs 1 55d 55d
KCSAN: data-race in drop_sysctl_table / proc_sys_revalidate fs 2 11d 61d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 137 4h37m 62d
KCSAN: data-race in __dentry_kill / shrink_dentry_list (5) fs 4 2d12h 64d
KCSAN: data-race in do_sendfile / do_sendfile (10) fs 6 21d 68d
KCSAN: data-race in pipe_lock / pipe_release (15) fs 2 32d 68d
WARNING: refcount bug in call_timer_fn (3) fs 1 74d 70d
KCSAN: data-race in __dentry_kill / lookup_fast (12) fs 3 21d 74d
WARNING in __generic_file_fsync (2) fs 1 78d 74d
WARNING in filename_create (2) fs 1 82d 78d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 15 2d02h 99d
KCSAN: data-race in file_update_time / inode_update_timestamps (2) fs 11 7d04h 105d
KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (3) fs 8 6d18h 106d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 12 3h48m 107d
BUG: soft lockup in sys_perf_event_open (2) fs kvm 6 2d16h 109d
BUG: corrupted list in vfs_setxattr fs 12 21h32m 111d
INFO: task hung in writeback_iter fs mm 145 3d12h 112d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 4 12d 125d
INFO: task hung in pipe_release (5) fs 160 18d 128d
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event (3) fs 20 13h11m 144d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 44 2d09h 194d
KCSAN: data-race in __d_rehash / fast_dput (3) fs 20 23d 198d
KCSAN: data-race in d_delete / lookup_fast (7) fs 44 1d20h 203d
KCSAN: data-race in __dentry_kill / step_into (8) fs 22 1d14h 203d
KCSAN: data-race in pollwake / pollwake (5) fs 251 3h09m 209d
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 21 2d11h 216d
KCSAN: data-race in __dentry_kill / fast_dput (2) fs 52 22h15m 233d
KCSAN: data-race in touch_atime / touch_atime (3) fs 150 1d02h 238d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 219 4h11m 258d
WARNING in vfs_setxattr (3) fs 229 13h16m 278d
WARNING in chown_common fs 50 26d 280d
WARNING in chmod_common fs 9 36d 285d
KCSAN: data-race in vmalloc_info_show / vmalloc_info_show fs 453 1d12h 311d
WARNING in do_mknodat (3) fs 136 22h51m 325d
KCSAN: data-race in atime_needs_update / touch_atime (2) fs 181 12h04m 353d
KCSAN: data-race in do_select / pollwake (2) fs 1142 1h12m 408d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 410 4d21h 408d
KCSAN: data-race in dont_mount / lookup_fast fs syz 754 4h54m 409d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) fs syz 978 270d 409d
KCSAN: data-race in dentry_unlink_inode / step_into fs syz 1636 3h57m 409d
KCSAN: data-race in d_delete / step_into (6) fs 738 10h07m 410d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4381 56m 1304d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1471 1d21h 1578d
KCSAN: data-race in do_sys_poll / pollwake fs 4799 54m 1647d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4046 4d02h 1867d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1657 39m 1873d