syzbot


fs subsystem


List(s): linux-fsdevel@vger.kernel.org
Fixed bugs: 400
Parent subsystem(s): kernel (75)
Child subsystems: afs (4) autofs (2) bcachefs (46) bfs (2) btrfs (36) erofs (1) exfat (23) ext4 (81) f2fs (11) fscrypt (0) fsverity (0) fuse (5) gfs2 (31) hfs (43) iomap (3) isofs (2) jffs2 (3) jfs (60) kernfs (29) netfs (5) nfs (9) nilfs (4) ntfs3 (44) ocfs2 (71) orangefs (0) overlayfs (1) squashfs (2) udf (9) v9fs (8) xfs (15)
open (62):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
linux-next test error: WARNING in __folio_start_writeback fs mm -1 13 4h17m 7d00h 💬 3 [1d15h]
BUG: sleeping function called from invalid context in vfree (2) fs 5 C 86 7h45m 11d 💬 3 [10d]
INFO: task hung in v9fs_file_fsync fs mm 1 C done 13 11d 11d PATCH [9d03h]
KASAN: slab-use-after-free Read in driver_remove_file fs 19 77 8h45m 30d
kernel BUG in mpage_readahead fs -1 19 11h55m 30d
general protection fault in simple_recursive_removal (5) fs wireless 2 C 2 37d 36d PATCH [36d]
KASAN: use-after-free Read in hpfs_get_ea fs 19 C error 31 10d 42d PATCH [35d]
WARNING: bad unlock balance in query_matching_vma fs 4 C done 9 45d 45d 💬 2 [44d]
WARNING: lock held when returning to user space in query_matching_vma fs 4 C 2 45d 45d
WARNING in path_noexec fs mm -1 C done 9307 now 52d PATCH [52d]
possible deadlock in __simple_recursive_removal fs 4 C 38 56d 57d 💬 1 [57d]
WARNING: suspicious RCU usage in proc_sys_compare fs 4 C error 1444 51d 57d
linux-next test error: WARNING: suspicious RCU usage in proc_sys_compare fs -1 7 56d 58d
WARNING in minix_rename fs -1 syz error 7 51d 65d
KMSAN: uninit-value in fsnotify_connector_destroy_workfn fs 7 1 75d 71d PATCH [70d]
BUG: unable to handle kernel paging request in drop_sysctl_table fs 8 syz 6 91d 106d 💬 1 [106d]
kernel BUG in __filemap_add_folio mm fs -1 C done 325 12m 126d
INFO: task hung in vfs_rename (2) fs 1 C error 15 10d 128d PATCH [100d]
INFO: task hung in page_cache_ra_order mm fs 1 C done 46 13h39m 128d 💬 1 [128d]
kernel panic: KASAN: panic_on_warn set ... block fs 2 8 41d 132d 💬 2 [37d]
WARNING: bad unlock balance in traverse fs 4 C 45 4d12h 183d
WARNING: bad unlock balance in seq_read_iter fs 4 C 39 20d 209d PATCH [209d]
BUG: corrupted list in remove_wait_queue (2) fs 19 C done 51 7d15h 218d PATCH [144d]
WARNING in minix_rmdir fs -1 C inconclusive 61 2d20h 232d
possible deadlock in __configfs_open_file fs 4 C 26 2d06h 250d
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done 3 15d 250d
INFO: rcu detected stall in sys_symlinkat (5) fs mm tomoyo 1 syz error 70 10d 268d
WARNING in minix_unlink fs -1 C inconclusive 405 7d20h 279d 💬 6 [277d]
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs 10 C done 3416 2h19m 285d 💬 1 [144d]
INFO: task hung in do_rmdir (6) fs 1 C error inconclusive 48 60d 308d 💬 1 [37d]
INFO: rcu detected stall in sys_readlink (5) mm fs 1 syz done 32 9d15h 314d
INFO: task hung in do_coredump (3) fs 1 C done 361 11d 316d 💬 4 [52d]
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 108 6d21h 323d 💬 1 [5d17h]
possible deadlock in input_inject_event usb fs 4 C done 1485 2h51m 335d
BUG: unable to handle kernel NULL pointer dereference in read_cache_folio fs 10 C 12 97d 336d PATCH [317d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3643 8d03h 361d 💬 1 [14d]
WARNING in iov_iter_revert (5) fs -1 C error error 7 10d 373d
KASAN: slab-use-after-free Read in lockref_get wireless fs 19 C done inconclusive 30 11d 409d PATCH [408d]
general protection fault in iter_file_splice_write fs 2 C done 2812 9d05h 466d PATCH [297d]
INFO: rcu detected stall in sys_close (7) fs bpf 1 C error 10 106d 497d
KASAN: null-ptr-deref Write in do_pagemap_cmd fs 12 C inconclusive done 17 94d 542d PATCH [147d]
BUG: soft lockup in pipe_read fs mm 1 syz 5 204d 582d
INFO: rcu detected stall in dput (8) fs 1 C done 455 3d05h 606d
WARNING: proc registration bug in bcm_connect fs -1 C inconclusive inconclusive 322 360d 625d PATCH [384d]
go runtime error fs 2 syz error inconclusive 23 158d 644d
INFO: rcu detected stall in clock_adjtime (2) fs 1 C error inconclusive 110 48d 691d
UBSAN: shift-out-of-bounds in befs_check_sb fs -1 C error done 36 21d 778d PATCH [420d]
INFO: rcu detected stall in vfs_readlink fs 1 C 3 240d 832d 💬 2 [829d]
INFO: task hung in synchronize_rcu (4) fs net 1 C done error 903 3d23h 848d 💬 6 [392d]
WARNING in invalidate_bh_lru fs -1 C done done 5265 153d 981d 💬 5 [536d]
WARNING in do_mkdirat fs -1 C error error 507 8h51m 999d 💬 22 [563d]
WARNING in path_openat fs -1 C error done 160 10d 1001d 💬 1 [563d]
INFO: task hung in lookup_slow (3) fs 1 C unreliable 1877 2d19h 1022d 💬 2 [380d]
INFO: task hung in path_openat (7) fs 1 C unreliable 4523 4d13h 1057d 💬 2 [356d]
WARNING in inc_nlink (3) fs -1 C error error 6870 9d02h 1260d 💬 1 [407d]
INFO: task hung in filename_create (4) fs 1 C error error 2275 14h58m 1346d
UBSAN: shift-out-of-bounds in minix_statfs fs -1 C inconclusive error 67 4d07h 1355d PATCH [686d]
possible deadlock in input_event (2) fs 4 C inconclusive 6225 3h07m 1387d 💬 3 [407d]
INFO: task hung in sys_io_destroy fs 1 C inconclusive inconclusive 2 16d 1499d 💬 4 [1480d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1473d 1826d
INFO: rcu detected stall in seq_read (2) fs 1 C done error 5 1276d 1863d 💬 1 [1863d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1143d 2041d 💬 2 [1934d]
moderation (70):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KMSAN: uninit-value in fsnotify (2) fs 7 1 6d08h 2d08h
KCSAN: data-race in __dentry_kill / lookup_fast (14) fs 6 1 6d05h 6d05h
KCSAN: data-race in fasync_remove_entry / kill_fasync (14) fs 6 1 6d11h 6d11h
KASAN: null-ptr-deref Read in drop_buffers (4) fs 17 228 2d20h 11d
KCSAN: data-race in pipe_poll / pipe_resize_ring (3) fs 6 2 1d05h 12d
WARNING in __folio_mark_dirty (3) fs mm -1 1 22d 18d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra (3) fs mm 6 2 11d 19d
KCSAN: data-race in pipe_release / pipe_wait_writable (3) fs 6 2 29d 29d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (4) fs mm 6 1 29d 29d
BUG: unable to handle kernel paging request in page_cache_ra_unbounded fs mm 8 1 36d 32d
KCSAN: data-race in __xa_clear_mark / filemap_write_and_wait_range (2) fs mm 6 1 32d 32d
KCSAN: data-race in init_file / prepare_creds (2) fs 6 2 25d 33d
KCSAN: data-race in atime_needs_update / setattr_copy (2) fs 6 1 33d 33d
KCSAN: data-race in pipe_lock / pipe_release (16) fs 6 2 11d 36d
BUG: corrupted list in chown_common fs 8 2 16d 37d
KCSAN: data-race in fifo_open / wait_for_partner (6) fs 6 34 2d11h 44d
KCSAN: data-race in generic_fillattr / setattr_copy (4) fs 6 1 44d 44d
WARNING in unlock_mount (2) fs -1 1 46d 45d
KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (4) fs 6 1 46d 46d
KCSAN: data-race in aio_read_events / iocb_put (12) fs 6 1 47d 47d
KCSAN: data-race in d_invalidate / fast_dput (5) fs 6 2 8d12h 49d
KCSAN: data-race in pipe_poll / pipe_release (11) fs 6 3 16d 49d
KASAN: slab-use-after-free Read in bus_remove_driver fs 19 23 4d15h 50d
KCSAN: data-race in d_delete / do_coredump (2) fs 6 1 52d 52d
WARNING in vfs_utimes (4) fs -1 1 56d 52d
KCSAN: data-race in generic_fillattr / inode_set_ctime_to_ts (2) fs 6 2 43d 54d
WARNING in chmod_common (3) fs -1 2 22d 54d
KASAN: out-of-bounds Read in proc_pid_stack (2) fs 17 1 60d 56d
WARNING in file_seek_cur_needs_f_lock (2) fs -1 1 60d 56d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 3 19d 67d
WARNING in do_new_mount (5) fs -1 1 74d 70d
possible deadlock in lookup_one_unlocked (2) fs 4 1 78d 74d
KCSAN: data-race in filemap_read / filemap_read (6) fs 6 138 10h58m 74d
KCSAN: data-race in __dentry_kill / __dentry_kill (6) fs 6 7 5d18h 76d
KCSAN: data-race in __dentry_kill / shrink_dentry_list (6) fs 6 3 16d 79d
KASAN: slab-use-after-free Write in __ep_remove fs 24 1 88d 84d
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event (4) fs 6 11 14d 92d
WARNING in lookup_slow (4) fs -1 7 18d 95d
WARNING in dqput (2) fs -1 7 1h12m 98d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 7 3d00h 99d
KCSAN: data-race in __dentry_kill / step_into (9) fs 6 6 12d 117d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 4 20d 121d
WARNING in do_rmdir fs -1 5 47d 130d
possible deadlock in page_cache_ra_unbounded (2) fs mm 4 3 58d 133d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 6 15 2d17h 149d
KCSAN: data-race in __d_rehash / fast_dput (4) fs 6 18 22d 167d
WARNING in cleanup_mnt (5) fs -1 7 84d 181d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 160 8h07m 205d
KCSAN: data-race in __d_lookup / __d_rehash (9) fs 6 17 2d17h 244d
KCSAN: data-race in __d_instantiate / step_into (3) fs 6 14 15d 273d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 571 15h02m 283d
KCSAN: data-race in do_sendfile / do_sendfile (10) fs 6 17 5d18h 288d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 6 39 4d07h 320d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 6 34 10d 328d
BUG: corrupted list in vfs_setxattr fs 8 34 2d20h 332d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 6 111 4d14h 414d
KCSAN: data-race in d_delete / lookup_fast (7) fs 6 78 5d02h 423d
KCSAN: data-race in pollwake / pollwake (5) fs 6 524 31d 430d 💬 2 [71d]
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 6 34 8d06h 437d
KCSAN: data-race in __dentry_kill / fast_dput (2) fs 6 147 1d18h 454d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 578 10h50m 479d
WARNING in chown_common fs -1 117 4d20h 500d
KCSAN: data-race in do_select / pollwake (2) fs 6 1666 31d 629d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 6 443 2d17h 629d
KCSAN: data-race in dentry_unlink_inode / step_into fs 6 syz 2029 43m 630d
KCSAN: data-race in d_delete / step_into (6) fs 6 816 1d02h 631d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4796 19m 1524d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1544 3h28m 1799d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4093 3d10h 2088d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2159 1d14h 2094d