syzbot


fs subsystem


List(s): linux-fsdevel@vger.kernel.org
Fixed bugs: 342
Parent subsystem(s): kernel (55)
Child subsystems: afs (3) autofs (0) bfs (1) btrfs (43) erofs (1) exfat (14) ext4 (47) f2fs (3) fscrypt (1) fsverity (0) fuse (3) gfs2 (11) hfs (44) iomap (1) isofs (0) jfs (27) kernfs (14) netfs (2) nfs (0) nilfs (8) ntfs3 (48) overlayfs (3) reiserfs (62) squashfs (1) udf (9) v9fs (5) xfs (11)
open (42):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in pagemap_scan_pmd_entry (2) fs C done 3 12d 20d 💬 0 [20d]
KASAN: use-after-free Read in sysv_new_inode fs 1 24d 20d 💬 0 [20d]
KASAN: slab-use-after-free Read in comedi_release_hardware_device usb fs syz 1 22d 22d 💬 1 [22d]
INFO: task hung in ceph_mdsc_pre_umount ceph fs C unreliable 5 25d 24d 💬 2 [22d]
BUG: soft lockup in pipe_read fs syz 1 39d 35d 💬 0 [35d]
KASAN: slab-use-after-free Read in ntfs_test_inode fs 5 51d 51d 💬 0 [51d]
BUG: unable to handle kernel paging request in tracefs_apply_options fs trace C done done 45 56d 56d 💬 2 [17d]
BUG: unable to handle kernel paging request in mmu_notifier_invalidate_range_start fs C 1 51d 62d 💬 1 [61d]
BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan fs C inconclusive 19 10d 66d 💬 1 [55d]
WARNING: proc registration bug in bcm_connect fs C inconclusive 28 13h09m 79d 💬 0 [16d]
general protection fault in pagemap_scan_hugetlb_entry fs C done done 3 91d 88d 💬 0 [61d]
INFO: task hung in user_get_super (2) fs C 206 8d07h 102d 💬 0 [16d]
BUG: sleeping function called from invalid context in bdev_getblk fs C inconclusive 1244 8h24m 160d 💬 0 [16d]
INFO: task hung in __fdget_pos (4) fs syz error 70 4d00h 179d 💬 18 [16d]
INFO: task hung in truncate_inode_pages_final fs C 8 22d 192d 💬 0 [192d]
WARNING in __brelse (3) fs C done done 2 61d 218d PATCH [197d]
UBSAN: shift-out-of-bounds in befs_check_sb fs C error 34 37d 232d PATCH [186d]
KASAN: slab-use-after-free Read in __ext4_iget fs reiserfs 278 30d 267d 💬 1 [25d]
memory leak in new_inode (2) usb fs syz 1 274d 270d 💬 0 [270d]
INFO: rcu detected stall in vfs_readlink fs usb C 1 289d 285d 💬 2 [283d]
INFO: task hung in synchronize_rcu (4) net fs C done error 34 23d 301d 💬 6 [16d]
possible deadlock in ntfs_sync_mft_mirror fs 14 39d 345d 💬 0 [272d]
WARNING in do_mkdirat fs C error error 94 8d04h 453d 💬 22 [16d]
WARNING in path_openat fs C error done 61 23d 454d 💬 1 [16d]
KASAN: use-after-free Read in sysv_new_block fs C error done 11 61d 455d 💬 0 [21d]
BUG: sleeping function called from invalid context in __bread_gfp fs C error done 359 56d 457d 💬 0 [4d17h]
possible deadlock in __ntfs_clear_inode fs 345 31d 461d 💬 0 [51d]
INFO: rcu detected stall in sys_newfstatat (4) fs C error 3 15d 492d 💬 1 [50d]
INFO: task hung in path_openat (7) fs 231 21d 511d 💬 2 [16d]
UBSAN: shift-out-of-bounds in minix_count_free_blocks fs C inconclusive inconclusive 6 66d 734d PATCH [140d]
INFO: task hung in filename_create (4) fs C error error 62 6d13h 799d 💬 0 [16d]
UBSAN: shift-out-of-bounds in minix_statfs fs C inconclusive error 44 59d 808d PATCH [140d]
INFO: task hung in sys_io_destroy fs C inconclusive inconclusive 2 34d 953d 💬 4 [934d]
WARNING in fw_load_sysfs_fallback usb fs C unreliable inconclusive 241 391d 1062d 💬 0 [1054d]
WARNING in firmware_fallback_sysfs usb fs C error 3192 14h52m 1092d PATCH [114d]
memory leak in path_openat (2) fs C 5 81d 1107d 💬 1 [1107d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 927d 1279d 💬 0 [1279d]
INFO: rcu detected stall in seq_read (2) fs C done error 5 730d 1317d 💬 1 [1317d]
INFO: rcu detected stall in sys_clock_adjtime fs C done inconclusive 45 4d00h 1332d 💬 0 [78d]
INFO: task hung in do_truncate (2) fs C done done 14 37d 1358d 💬 1 [304d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 597d 1494d 💬 2 [1388d]
INFO: task hung in d_alloc_parallel (2) fs C done error 180 47d 1590d 💬 0 [1590d]
moderation (67):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in fsnotify_destroy_marks (2) fs 1 7d12h 3d12h 💬 0 [never]
KCSAN: data-race in filemap_splice_read / generic_file_direct_write (2) fs 1 4d06h 4d06h 💬 0 [never]
KCSAN: data-race in do_sendfile / ksys_write (15) fs 1 6d05h 6d05h 💬 0 [never]
KCSAN: data-race in ep_modify / ep_poll_callback fs 1 6d15h 6d15h 💬 0 [never]
KCSAN: data-race in __dentry_kill / lookup_fast (10) fs 1 6d23h 6d23h 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) fs mm 2 6d11h 8d09h 💬 0 [never]
KCSAN: data-race in __writeback_single_inode / xas_set_mark (5) fs mm 1 8d17h 8d17h 💬 0 [never]
KCSAN: data-race in filemap_read / filemap_read (3) fs 1 10d 10d 💬 0 [never]
KCSAN: data-race in pipe_lock / pipe_release (13) fs 1 10d 10d 💬 0 [never]
KCSAN: data-race in exec_mmap / mm_update_next_owner (4) fs mm 1 11d 11d 💬 0 [never]
KCSAN: data-race in ondemand_readahead / read_pages (2) fs mm 1 12d 12d 💬 0 [never]
KCSAN: data-race in generic_fillattr / touch_atime fs 1 13d 13d 💬 0 [never]
KCSAN: data-race in __dentry_kill / d_walk fs 3 8d10h 18d 💬 0 [never]
KCSAN: data-race in iput / move_expired_inodes (10) fs 1 19d 19d 💬 0 [never]
WARNING: locking bug in lookup_slow fs 1 20d 20d 💬 0 [never]
INFO: task hung in ceph_mdsc_destroy ceph fs 3 27d 20d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (3) fs mm 3 4d11h 20d 💬 0 [never]
KCSAN: data-race in fsnotify_destroy_mark / fsnotify_handle_inode_event (5) fs 2 1d23h 20d 💬 0 [never]
KCSAN: data-race in __ep_remove / __fput (3) fs 1 20d 20d 💬 0 [never]
KCSAN: data-race in d_lru_add / step_into (4) fs 1 22d 22d 💬 0 [never]
KCSAN: data-race in generic_fillattr / simple_rename_timestamp fs 1 22d 22d 💬 0 [never]
KCSAN: data-race in d_invalidate / fast_dput fs 2 5d04h 24d 💬 0 [never]
KCSAN: data-race in file_update_time / inode_update_timestamps fs 4 10d 27d 💬 0 [never]
KCSAN: data-race in pipe_release / wait_for_partner (2) fs 1 27d 27d 💬 0 [never]
KCSAN: data-race in do_fcntl / do_fcntl fs 3 19d 27d 💬 0 [never]
KCSAN: data-race in d_alloc_parallel / d_set_d_op (9) fs 5 17h44m 27d 💬 0 [never]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 35 11d 30d 💬 0 [never]
KCSAN: data-race in shrink_dentry_list / step_into (6) fs 1 32d 32d 💬 0 [never]
KCSAN: data-race in __dentry_kill / shrink_dentry_list (3) fs 4 20d 36d 💬 0 [never]
KCSAN: data-race in ksys_write / ksys_write (12) fs 3 11d 38d 💬 0 [never]
KCSAN: data-race in __dentry_kill / fast_dput fs 2 8d23h 38d 💬 0 [never]
KCSAN: data-race in drop_nlink / generic_fillattr (6) fs 2 34d 41d 💬 0 [never]
KCSAN: data-race in generic_fillattr / inode_update_timestamps (2) fs 4 33d 49d 💬 0 [never]
KCSAN: data-race in may_open / setattr_copy (5) fs 2 30d 56d 💬 0 [never]
KCSAN: data-race in xas_create / xas_find (6) fs mm 3 18d 60d 💬 0 [never]
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (6) fs mm 3 10d 60d 💬 0 [never]
KCSAN: data-race in xas_create / xas_find_marked (6) fs mm 3 26d 61d 💬 0 [never]
WARNING in comedi_release_hardware_device (2) fs 1 68d 64d 💬 0 [never]
KCSAN: data-race in do_sendfile / do_sendfile (7) fs 5 32d 80d 💬 0 [never]
KCSAN: data-race in fifo_open / wait_for_partner (4) fs 8 22d 81d 💬 0 [never]
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (10) fs mm 26 17d 81d 💬 0 [never]
KCSAN: data-race in generic_fillattr / inode_set_ctime_current fs 37 7d00h 81d 💬 0 [never]
KCSAN: data-race in do_select / pollwake (2) fs 165 19h42m 82d 💬 0 [never]
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 159 1d20h 82d 💬 0 [never]
KCSAN: data-race in __dentry_kill / step_into (5) fs 105 21d 83d 💬 0 [never]
KCSAN: data-race in ondemand_readahead / ondemand_readahead (10) mm fs 146 3d05h 83d 💬 0 [never]
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 132 6d23h 83d 💬 0 [never]
KCSAN: data-race in read_pages / read_pages (2) fs mm 133 6d12h 83d 💬 0 [never]
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event fs 213 4d05h 83d 💬 0 [never]
KCSAN: data-race in pollwake / pollwake (4) fs 191 4d16h 83d 💬 0 [never]
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event fs 219 1d17h 83d 💬 0 [never]
KCSAN: data-race in dont_mount / lookup_fast fs 557 5h04m 83d 💬 0 [never]
KCSAN: data-race in fsnotify / fsnotify_detach_connector_from_object (3) fs 935 13h33m 83d 💬 0 [never]
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) fs syz 945 18h54m 83d 💬 0 [never]
KCSAN: data-race in dentry_unlink_inode / step_into fs syz 1125 1h34m 83d 💬 0 [never]
KCSAN: data-race in write_cache_pages / write_cache_pages (11) mm fs 24 30d 84d 💬 0 [never]
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 259 4d19h 84d 💬 0 [never]
KCSAN: data-race in d_delete / lookup_fast (6) fs 284 1d08h 84d 💬 0 [never]
KCSAN: data-race in d_delete / step_into (6) fs 640 6h42m 84d 💬 0 [never]
WARNING in dpm_sysfs_add (2) fs 6 48d 157d 💬 0 [never]
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark mm fs 642 3h10m 660d 💬 0 [never]
KCSAN: data-race in dont_mount / step_into fs 1062 18h45m 663d 💬 0 [never]
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 3310 6h47m 978d 💬 0 [never]
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1265 6h42m 1252d 💬 0 [never]
KCSAN: data-race in do_sys_poll / pollwake fs 3698 6h40m 1320d 💬 0 [never]
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3335 6h15m 1541d 💬 0 [never]
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1271 16h10m 1547d 💬 0 [never]