syzbot

 sign-in | mailing list | source | docs
🐞 Open [1432]
≡ Subsystems
🐞 Fixed [6751]
🐞 Invalid [17375]
⬇ Missing Backports [221]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:ext4 (drop)
open (51):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __folio_mark_dirty (3) ext4 -1 C error 15 8h25m 16h16m
possible deadlock in ext4_xattr_set_handle (7) ext4 4 2 12d 8d00h
possible deadlock in ext4_xattr_get (2) ext4 4 1 16d 12d
possible deadlock in ext4_destroy_inline_data (2) ext4 4 93 31m 15d
possible deadlock in ext4_evict_inode (5) ext4 4 14 19h51m 15d
WARNING in ext4_xattr_inode_update_ref (2) ext4 -1 C error 746 2h26m 21d 💬 2 [15d]
WARNING in ext4_write_inode (3) ext4 -1 1 39d 35d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt 7 13 5d05h 37d 💬 1 [37d]
KASAN: slab-out-of-bounds Read in ext4_search_dir ext4 19 C 5 36d 50d PATCH [3d01h]
WARNING in ext4_xattr_inode_dec_ref_all ext4 -1 1 56d 52d
INFO: trying to register non-static key in ext4_xattr_get ext4 -1 1 68d 64d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 1 C error 1 65d 65d
possible deadlock in do_writepages (2) ext4 4 syz unreliable 200 2h26m 66d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 5d09h 67d PATCH [57d]
INFO: task hung in ext4_read_bh ext4 1 C 10 76d 79d
INFO: rcu detected stall in sys_mount (8) block ext4 btrfs 1 C 15 18d 85d 💬 1 [85d]
possible deadlock in ext4_truncate (2) ext4 4 C unreliable 3 10d 88d 💬 4 [87d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry ext4 19 C error 2 3d16h 143d PATCH [130d]
WARNING in jbd2_journal_dirty_metadata (2) ext4 -1 25 65d 174d
KASAN: slab-out-of-bounds Read in ext4_ext_correct_indexes ext4 19 C error error 3 10d 178d
KASAN: use-after-free Read in ext4_ext_insert_extent ext4 19 C done 6 13d 179d 💬 1 [50d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 2 18d 192d
kernel BUG in ext4_ext_insert_extent (2) ext4 -1 C done 32 3d18h 223d
KASAN: slab-use-after-free Read in ext4_ext_remove_space ext4 19 C 34 5d19h 234d
kernel BUG in ext4_alloc_file_blocks ext4 -1 C error error 3 110d 238d PATCH [235d]
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 3 2d02h 300d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive 6 1d10h 322d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 19 C done 157 12h04m 325d PATCH [8h35m]
INFO: task hung in find_inode_fast (4) ext4 1 C error 13 29d 333d
INFO: task hung in do_get_write_access (3) ext4 1 C error 448 1d20h 362d
divide error in qnx6_mmi_fill_super ext4 2 C unreliable inconclusive 5 21h08m 384d PATCH [382d]
WARNING in ext4_iomap_begin (3) ext4 -1 C inconclusive 77 10d 385d
possible deadlock in ext4_writepages (2) ext4 4 C unreliable 1048 54m 397d 💬 1 [22d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 45 25d 399d PATCH [195d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 4 C done 266 27d 419d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 24 C error 4439 58m 425d PATCH [399d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done 6 21d 449d 💬 1 [448d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 181 1d14h 470d
KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) ext4 6 617 11h06m 476d
KASAN: slab-out-of-bounds Read in ext4_read_inline_dir ext4 19 C done error 79 40d 481d 💬 1 [480d]
WARNING in ext4_xattr_inode_lookup_create ext4 -1 C inconclusive 989 15h41m 541d PATCH [541d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 1 C error 2141 4d17h 555d
INFO: task hung in do_renameat2 (2) ext4 1 C inconclusive 277 1d06h 564d
WARNING in __ext4_journal_start_sb ext4 -1 C 7 51d 572d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 555d 589d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 56d 657d PATCH [133d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2797 6h50m 857d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 349d 900d PATCH [419d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 366d 900d
kernel BUG in ext4_do_writepages ext4 -1 C error 2836 16h23m 1069d 💬 9 [22d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 28 30d 1088d 💬 7 [618d]
moderation (27):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __writeback_single_inode / vfs_fsync_range (11) ext4 6 1 27d 27d
KASAN: use-after-free Read in xattr_find_entry ext4 19 2 29d 27d
KCSAN: data-race in generic_buffers_fsync_noflush / move_expired_inodes ext4 6 1 36d 36d
KASAN: use-after-free Read in ext4_xattr_list_entries ext4 19 2 44d 41d
KCSAN: data-race in __mark_inode_dirty / generic_buffers_fsync_noflush (4) ext4 6 2 3d17h 52d
KCSAN: data-race in generic_buffers_fsync_noflush / inode_cgwb_move_to_attached (3) ext4 6 6 3d16h 54d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 6 12 9d09h 77d
KCSAN: data-race in filemap_splice_read / page_cache_sync_ra ext4 6 3 50d 104d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (8) ext4 6 8 5d19h 158d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 58 11m 169d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 6 195 7h18m 208d
KCSAN: data-race in _prb_read_valid / data_alloc ext4 6 239 13h04m 209d
KCSAN: data-race in __mark_inode_dirty / move_expired_inodes (5) ext4 6 28 43d 275d
KCSAN: data-race in redirty_tail_locked / vfs_fsync_range (3) ext4 6 33 12d 357d
KCSAN: data-race in generic_buffers_fsync_noflush / redirty_tail_locked (2) ext4 6 32 11h01m 368d
KCSAN: data-race in __mark_inode_dirty / __writeback_single_inode (3) ext4 6 67 5d23h 414d
KCSAN: data-race in console_flush_all / console_flush_all ext4 isdn4linux 6 81 5d06h 423d
KCSAN: data-race in __writeback_single_inode / generic_buffers_fsync_noflush (4) ext4 6 78 14d 480d
KCSAN: data-race in __mark_inode_dirty / writeback_single_inode (8) ext4 6 385 10h55m 551d
KCSAN: data-race in vfs_fsync_range / writeback_single_inode (7) ext4 6 739 11h06m 551d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 6 141 4d18h 712d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) ext4 block 6 151 2d18h 714d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 6 1358 2h57m 714d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 6 936 12d 1414d
KCSAN: data-race in data_push_tail / string ext4 6 455 13h04m 1582d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 6 3768 1d09h 1837d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 209d 2118d