syzbot


fs subsystem


List(s): linux-fsdevel@vger.kernel.org
Fixed bugs: 359
Parent subsystem(s): kernel (71)
Child subsystems: afs (1) autofs (0) bcachefs (77) bfs (2) btrfs (40) erofs (1) exfat (12) ext4 (51) f2fs (5) fscrypt (0) fsverity (0) fuse (5) gfs2 (15) hfs (42) iomap (1) isofs (2) jffs2 (3) jfs (58) kernfs (21) netfs (7) nfs (8) nilfs (6) ntfs3 (42) ocfs2 (60) overlayfs (3) reiserfs (2) squashfs (1) udf (6) v9fs (12) xfs (13)
open (43):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in __virt_addr_valid fs usb input syz 1 4d03h 3h26m
WARNING in vfs_set_acl fs 4 19d 9d12h
INFO: rcu detected stall in sys_readlink (5) fs syz 22 2d03h 12d
KCSAN: data-race in xas_create / xas_find (8) fs mm 2 14d 16d 💬 2 [16d]
stack segment fault in folio_wait_writeback fs mm syz 4 16d 17d 💬 2 [15d]
INFO: rcu detected stall in __fsnotify_parent usb fs input C 6 7d06h 27d
KASAN: slab-use-after-free Read in invalidate_bh_lru fs 1 53d 48d 💬 2 [47d]
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3599 1d02h 58d
KASAN: slab-use-after-free Read in lockref_get wireless fs C done 5 8d12h 106d PATCH [106d]
general protection fault in iter_file_splice_write fs C done 1377 2h03m 163d PATCH [159d]
KASAN: use-after-free Read in sysv_new_inode (2) fs C 1072 12m 174d
INFO: rcu detected stall in sys_mount (7) fs C inconclusive done 34 16h06m 187d
INFO: task hung in do_new_mount (2) fs C error done 18 7d20h 223d 💬 2 [74d]
KASAN: null-ptr-deref Write in do_pagemap_cmd fs C 8 18d 240d PATCH [239d]
BUG: soft lockup in pipe_read mm fs syz 4 139d 279d
BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan fs C inconclusive done 35 44d 310d 💬 1 [83d]
WARNING: proc registration bug in bcm_connect fs C inconclusive inconclusive 322 58d 323d PATCH [82d]
go runtime error fs syz error 21 4d23h 342d
INFO: task hung in user_get_super (2) fs C 454 8d20h 346d
INFO: rcu detected stall in clock_adjtime (2) fs C error 101 9d22h 389d
INFO: rcu detected stall in worker_thread (9) fs mm C done 2478 39m 389d PATCH [382d]
INFO: task hung in __fdget_pos (4) fs C error 297 30d 423d 💬 18 [39d]
INFO: rcu detected stall in sys_unlink (3) mm fs C error 90 9h56m 443d
WARNING in __brelse (3) fs C done done 24 5d23h 462d PATCH [441d]
UBSAN: shift-out-of-bounds in befs_check_sb fs C error done 36 13d 476d PATCH [118d]
INFO: rcu detected stall in vfs_readlink fs usb C 2 9d11h 529d 💬 2 [527d]
INFO: task hung in synchronize_rcu (4) fs net C done error 737 1h21m 545d 💬 6 [89d]
WARNING in invalidate_bh_lru fs C done done 169 5h58m 678d 💬 5 [233d]
WARNING in do_mkdirat fs C error error 229 19d 697d 💬 22 [260d]
WARNING in path_openat fs C error done 134 6d09h 698d 💬 1 [260d]
KASAN: use-after-free Read in sysv_new_block fs C error done 73 1h22m 699d
INFO: task hung in lookup_slow (3) fs C unreliable 1621 9h43m 719d 💬 2 [78d]
INFO: task hung in path_openat (7) fs C unreliable 3951 1d14h 755d 💬 2 [53d]
WARNING in inc_nlink (3) fs C error error 1433 20m 958d 💬 1 [104d]
INFO: task hung in filename_create (4) fs C error error 1962 15h09m 1043d
UBSAN: shift-out-of-bounds in minix_statfs fs C inconclusive error 51 1d02h 1052d PATCH [384d]
possible deadlock in input_event (2) fs C inconclusive 4839 5m 1085d 💬 3 [104d]
INFO: task hung in sys_io_destroy fs C inconclusive inconclusive 2 65d 1197d 💬 4 [1178d]
memory leak in path_openat (2) fs C 5 325d 1351d 💬 1 [1351d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1171d 1523d
INFO: rcu detected stall in seq_read (2) fs C done error 5 974d 1561d 💬 1 [1561d]
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 841d 1738d 💬 2 [1632d]
INFO: task hung in d_alloc_parallel (2) fs C done error 1333 20h15m 1834d
moderation (70):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in file_modified_flags / inode_update_timestamps (2) fs 1 3d07h 3d07h
KCSAN: data-race in __d_lookup_rcu_op_compare / __d_rehash (2) fs 1 4d11h 4d11h
WARNING in free_bprm fs mm 1 10d 6d08h
KCSAN: data-race in __dentry_kill / __dentry_kill (4) fs 2 3d15h 9d14h
KCSAN: data-race in drop_nlink / generic_fillattr (8) fs 1 11d 11d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lrus_cpu (12) fs 1 14d 14d
WARNING in show_mark_fhandle (2) fs 1 18d 14d
KCSAN: data-race in __d_lookup_rcu / __dentry_kill fs 1 16d 16d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 4 8d04h 17d
WARNING in quota_release_workfn fs 3 9d13h 21d
INFO: task hung in flush_delayed_work fs 121 6d02h 21d
KCSAN: data-race in file_update_time / inode_update_timestamps (2) fs 5 12d 23d
KCSAN: data-race in __d_instantiate / lookup_fast (8) fs 1 23d 23d
KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (3) fs 3 13d 24d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 2 15d 25d
KCSAN: data-race in __d_instantiate / step_into (2) fs 1 25d 25d
KCSAN: data-race in d_alloc_parallel / d_set_d_op (10) fs 2 3d10h 25d
KCSAN: data-race in __wb_writeout_add / writeout_period (5) fs mm 1 25d 25d
BUG: soft lockup in sys_perf_event_open (2) fs kvm 3 3d03h 27d
KCSAN: data-race in fsnotify / fsnotify_put_mark (3) fs 1 28d 28d
KCSAN: data-race in generic_fillattr / simple_rename_timestamp (2) fs 1 28d 28d
KCSAN: data-race in d_invalidate / fast_dput (4) fs 3 4d13h 29d
BUG: corrupted list in vfs_setxattr fs 1 33d 29d
WARNING in dqput fs 1 33d 29d
INFO: task hung in bchfs_fallocate fs mm 91 31d 30d
INFO: task hung in writeback_iter fs mm 124 1d01h 30d
KCSAN: data-race in pipe_poll / pipe_release (8) fs 2 4d04h 31d
WARNING in notify_change (6) fs 2 34d 31d
KCSAN: data-race in __xa_set_mark / filemap_fdatawrite_wbc fs mm 1 34d 34d
kernel panic: corrupted stack end in mnt_put_write_access fs 1 43d 39d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) mm fs 2 12d 43d
general protection fault in vfs_iter_write fs 2 32d 44d
kernel panic: corrupted stack end in mntput (2) fs 2 32d 45d
INFO: task hung in pipe_release (5) fs 146 14h41m 46d
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event (3) fs 11 7h56m 62d
WARNING in vfs_removexattr (2) fs 2 50d 71d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 15 11d 112d
KCSAN: data-race in __d_rehash / fast_dput (3) fs 18 4d19h 116d
KCSAN: data-race in d_delete / lookup_fast (7) fs 23 1d18h 121d
KCSAN: data-race in __dentry_kill / step_into (8) fs 10 24d 121d
KCSAN: data-race in pollwake / pollwake (5) fs 147 10h47m 127d
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 15 7h52m 134d
KCSAN: data-race in generic_fillattr / inode_set_ctime_current (2) fs 55 4d02h 137d
KCSAN: data-race in __fsnotify_parent / fsnotify_put_mark (2) fs 75 27d 148d
KCSAN: data-race in __dentry_kill / fast_dput (2) fs 23 9d09h 151d
KCSAN: data-race in touch_atime / touch_atime (3) fs 73 16h24m 156d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 94 7d00h 176d
WARNING in vfs_utimes (2) fs 25 31d 182d
WARNING in vfs_setxattr (3) fs 133 9h28m 196d
WARNING in chown_common fs 46 15d 198d
WARNING in chmod_common fs 7 66d 203d
WARNING in do_loopback (2) fs 13 62d 204d
WARNING in unlock_mount fs 7 64d 205d
WARNING in do_new_mount (2) fs 22 51d 206d
KCSAN: data-race in vmalloc_info_show / vmalloc_info_show fs 354 3d19h 229d
WARNING in do_mknodat (3) fs 116 7d08h 243d
KCSAN: data-race in atime_needs_update / touch_atime (2) fs 110 18h58m 271d
KCSAN: data-race in do_select / pollwake (2) fs 918 1h52m 326d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 382 1h34m 326d
KCSAN: data-race in dont_mount / lookup_fast fs syz 707 1h08m 327d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) fs syz 978 188d 327d
KCSAN: data-race in dentry_unlink_inode / step_into fs syz 1495 1h54m 327d
KCSAN: data-race in d_delete / step_into (6) fs 710 9h37m 328d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark mm fs 860 23h22m 904d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4254 4h19m 1222d
KCSAN: data-race in _prb_read_valid / prb_reserve fs batman 3279 19h35m 1451d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1447 14d 1496d
KCSAN: data-race in do_sys_poll / pollwake fs 4578 29m 1565d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3962 1d03h 1785d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1500 13h48m 1791d