syzbot


fs subsystem


List(s): linux-fsdevel@vger.kernel.org
Fixed bugs: 360
Parent subsystem(s): kernel (72)
Child subsystems: afs (1) autofs (0) bcachefs (83) bfs (2) btrfs (44) erofs (1) exfat (13) ext4 (58) f2fs (6) fscrypt (0) fsverity (0) fuse (5) gfs2 (15) hfs (43) iomap (1) isofs (2) jffs2 (3) jfs (54) kernfs (26) netfs (9) nfs (9) nilfs (7) ntfs3 (43) ocfs2 (63) overlayfs (4) reiserfs (2) squashfs (1) udf (7) v9fs (13) xfs (17)
open (48):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs C 66 12h45m 4d06h 💬 1 [4d05h]
WARNING in rcu_sync_dtor (2) fs C done 3 8d12h 4d20h 💬 2 [4d05h]
WARNING in fanotify_handle_event (2) fs C 4 13d 9d02h 💬 1 [8d18h]
INFO: rcu detected stall in __virt_addr_valid fs usb input syz 1 25d 21d
WARNING in vfs_set_acl fs 7 1d19h 30d
INFO: rcu detected stall in sys_readlink (5) fs syz 23 5d22h 33d
KCSAN: data-race in xas_create / xas_find (8) fs mm 4 10d 38d 💬 2 [37d]
stack segment fault in folio_wait_writeback fs mm syz 4 37d 38d 💬 2 [36d]
INFO: rcu detected stall in kswapd (3) mm fs usb C 2 34d 45d
INFO: rcu detected stall in __fsnotify_parent usb input fs C 7 20d 48d
BUG: unable to handle kernel NULL pointer dereference in read_cache_folio fs C 11 26d 55d PATCH [36d]
KASAN: slab-use-after-free Read in invalidate_bh_lru fs 1 74d 69d 💬 2 [68d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3605 7h45m 80d 💬 1 [16d]
KASAN: slab-use-after-free Read in lockref_get wireless fs C done 5 29d 128d PATCH [127d]
general protection fault in iter_file_splice_write fs C done 1723 8h01m 184d PATCH [16d]
KASAN: use-after-free Read in sysv_new_inode (2) fs C inconclusive 2930 50m 195d
INFO: rcu detected stall in sys_mount (7) fs C inconclusive done 35 8d16h 209d
INFO: task hung in do_new_mount (2) fs C error done 18 29d 244d 💬 2 [95d]
KASAN: null-ptr-deref Write in do_pagemap_cmd fs C 8 40d 261d PATCH [260d]
BUG: soft lockup in pipe_read mm fs syz 4 161d 301d
BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan fs C inconclusive done 36 1d22h 332d 💬 1 [105d]
WARNING: proc registration bug in bcm_connect fs C inconclusive inconclusive 322 79d 344d PATCH [103d]
go runtime error fs syz error 21 26d 363d
INFO: task hung in user_get_super (2) fs C 457 3h55m 367d
INFO: rcu detected stall in clock_adjtime (2) fs C error 102 19d 410d
INFO: rcu detected stall in worker_thread (9) fs mm C done 2652 1h40m 410d PATCH [403d]
INFO: task hung in __fdget_pos (4) fs C error done 297 51d 445d 💬 18 [20d]
INFO: rcu detected stall in sys_unlink (3) mm fs C error 110 51m 465d
WARNING in __brelse (3) fs C done done 46 2h09m 483d PATCH [462d]
UBSAN: shift-out-of-bounds in befs_check_sb fs C error done 36 20d 497d PATCH [139d]
INFO: rcu detected stall in vfs_readlink fs usb C 2 30d 551d 💬 2 [548d]
INFO: task hung in synchronize_rcu (4) fs net C done error 782 1h29m 567d 💬 6 [110d]
WARNING in invalidate_bh_lru fs C done done 315 2h07m 700d 💬 5 [254d]
WARNING in do_mkdirat fs C error error 235 2d17h 718d 💬 22 [282d]
WARNING in path_openat fs C error done 135 19d 720d 💬 1 [282d]
KASAN: use-after-free Read in sysv_new_block fs C error done 169 1d10h 720d
INFO: task hung in lookup_slow (3) fs C unreliable 1661 14h24m 741d 💬 2 [99d]
INFO: task hung in path_openat (7) fs C unreliable 4052 7h11m 776d 💬 2 [75d]
WARNING in inc_nlink (3) fs C error error 2148 1h05m 979d 💬 1 [125d]
INFO: task hung in filename_create (4) fs C error error 1995 2d02h 1065d
UBSAN: shift-out-of-bounds in minix_statfs fs C inconclusive error 53 8d23h 1073d PATCH [405d]
possible deadlock in input_event (2) fs C inconclusive 4950 15h17m 1106d 💬 3 [125d]
INFO: task hung in sys_io_destroy fs C inconclusive inconclusive 2 16d 1218d 💬 4 [1199d]
memory leak in path_openat (2) fs C 5 346d 1373d 💬 1 [1373d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1192d 1545d
INFO: rcu detected stall in seq_read (2) fs C done error 5 995d 1582d 💬 1 [1582d]
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 862d 1759d 💬 2 [1653d]
INFO: task hung in d_alloc_parallel (2) fs C done error 1357 23m 1856d
moderation (75):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in file_update_time / inode_set_ctime_current (2) fs 1 12h10m 12h10m
KCSAN: data-race in drop_sysctl_table / proc_sys_revalidate fs 1 17h05m 17h04m
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 11 4h36m 2d05h
KCSAN: data-race in __dentry_kill / shrink_dentry_list (5) fs 2 6h07m 3d10h
KCSAN: data-race in do_sendfile / do_sendfile (10) fs 1 7d12h 7d12h
KCSAN: data-race in pipe_lock / pipe_release (15) fs 1 8d01h 8d01h
WARNING: refcount bug in call_timer_fn (3) fs 1 13d 9d11h
KCSAN: data-race in fasync_remove_entry / kill_fasync (12) fs 1 11d 11d
KCSAN: data-race in __dentry_kill / lookup_fast (12) fs 1 14d 14d
WARNING in __generic_file_fsync (2) fs 1 18d 14d
KCSAN: data-race in pipe_double_lock / pipe_release (6) fs 1 14d 14d
WARNING in filename_create (2) fs 1 21d 17d
KASAN: out-of-bounds Read in proc_pid_stack fs 1 22d 18d
upstream test error: KCSAN: data-race in pollwake / pollwake (2) fs 1 18d 18d
KCSAN: data-race in xas_create / xas_find_marked (7) fs mm 1 19d 19d
KCSAN: data-race in inode_set_ctime_current / inode_update_timestamps (2) fs 1 19d 19d
KCSAN: data-race in file_modified_flags / inode_update_timestamps (2) fs 1 24d 24d
KCSAN: data-race in __d_lookup_rcu_op_compare / __d_rehash (2) fs 3 2d12h 25d
WARNING in free_bprm fs mm 1 31d 27d
KCSAN: data-race in __dentry_kill / __dentry_kill (4) fs 2 25d 30d
KCSAN: data-race in drop_nlink / generic_fillattr (8) fs 1 32d 32d
WARNING in show_mark_fhandle (2) fs 1 40d 36d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 6 4d15h 39d
WARNING in quota_release_workfn fs 3 30d 42d
KCSAN: data-race in file_update_time / inode_update_timestamps (2) fs 7 12d 44d
KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (3) fs 4 16d 46d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 4 19h30m 46d
KCSAN: data-race in d_alloc_parallel / d_set_d_op (10) fs 2 24d 47d
BUG: soft lockup in sys_perf_event_open (2) fs kvm 5 14d 49d
KCSAN: data-race in d_invalidate / fast_dput (4) fs 4 10d 50d
BUG: corrupted list in vfs_setxattr fs 2 19d 50d
WARNING in dqput fs 1 55d 50d
INFO: task hung in writeback_iter fs mm 126 12h12m 51d
KCSAN: data-race in pipe_poll / pipe_release (8) fs 2 25d 52d
WARNING in notify_change (6) fs 2 56d 52d
kernel panic: corrupted stack end in mnt_put_write_access fs 1 65d 61d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 3 23h39m 64d
general protection fault in vfs_iter_write fs 2 54d 65d
kernel panic: corrupted stack end in mntput (2) fs 2 54d 66d
INFO: task hung in pipe_release (5) fs 153 15h17m 67d
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event (3) fs 12 16d 83d
WARNING in vfs_removexattr (2) fs 2 71d 93d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 16 1d08h 133d
KCSAN: data-race in __d_rehash / fast_dput (3) fs 18 26d 137d
KCSAN: data-race in d_delete / lookup_fast (7) fs 28 2d06h 142d
KCSAN: data-race in __dentry_kill / step_into (8) fs 13 7d05h 142d
KCSAN: data-race in pollwake / pollwake (5) fs 168 2h27m 149d
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 15 21d 155d
KCSAN: data-race in generic_fillattr / inode_set_ctime_current (2) fs 55 25d 158d
KCSAN: data-race in __dentry_kill / fast_dput (2) fs 23 30d 173d
KCSAN: data-race in touch_atime / touch_atime (3) fs 86 4h50m 178d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 112 6h47m 197d
WARNING in vfs_utimes (2) fs 25 52d 204d
WARNING in vfs_setxattr (3) fs 149 40m 218d
WARNING in chown_common fs 47 17h15m 219d
WARNING in chmod_common fs 8 21h23m 224d
WARNING in do_loopback (2) fs 13 83d 226d
WARNING in unlock_mount fs 7 86d 226d
WARNING in do_new_mount (2) fs 22 73d 227d
KCSAN: data-race in vmalloc_info_show / vmalloc_info_show fs 372 1d09h 250d
WARNING in do_mknodat (3) fs 117 12d 264d
KCSAN: data-race in atime_needs_update / touch_atime (2) fs 120 10h59m 293d
KCSAN: data-race in do_select / pollwake (2) fs 964 5h14m 348d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 400 3d17h 348d
KCSAN: data-race in dont_mount / lookup_fast fs syz 720 1d00h 349d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) fs syz 978 210d 349d
KCSAN: data-race in dentry_unlink_inode / step_into fs syz 1538 1h50m 349d
KCSAN: data-race in d_delete / step_into (6) fs 713 8h26m 349d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark mm fs 877 2d15h 926d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4294 5h14m 1243d
KCSAN: data-race in _prb_read_valid / prb_reserve fs batman 3322 2h48m 1472d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1449 5d20h 1517d
KCSAN: data-race in do_sys_poll / pollwake fs 4620 5h11m 1586d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3995 5h10m 1807d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1529 4h26m 1813d