syzbot

 sign-in | mailing list | source | docs
🐞 Open [1589]
≡ Subsystems
🐞 Fixed [6234]
🐞 Invalid [15788]
⬇ Missing Backports [184]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (127):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in folio_large_mapcount mm 1 5d22h 1d22h
INFO: rcu detected stall in vms_gather_munmap_vmas mm 31 6d19h 4d08h
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 10d 6d21h
KCSAN: data-race in copy_fs / free_bprm fs mm 1 11d 11d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 9d02h 12d 💬 4 [5d14h]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 21d 17d
BUG: Bad page state in page_cache_ra_order mm C 4 7d10h 17d
INFO: task hung in exit_mmap (2) mm C done 6 4d06h 23d
kernel BUG in __filemap_add_folio fs mm C done 14 1d19h 24d
INFO: task hung in page_cache_ra_order fs mm C done 19 2d00h 26d 💬 1 [26d]
WARNING in move_to_new_folio mm C done 13 33d 36d PATCH [17d]
BUG: sleeping function called from invalid context in emon mm 1 43d 39d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 45d 40d
general protection fault in mremap mm C done done 25 45d 43d 💬 8 [4d16h]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 16d 45d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 6d21h 47d
INFO: rcu detected stall in clone (7) mm 43 10d 53d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 54d 54d 💬 1 [53d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 63d 59d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 67d 63d
general protection fault in xas_create mm bcachefs syz 2 14d 63d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 73d 68d
WARNING in depot_fetch_stack mm 7 2d20h 75d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 62d 77d 💬 12 [64d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 13d 77d
WARNING in get_dump_page ext4 mm C done error 5 68d 81d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 53d 90d
kernel BUG in shmem_undo_range mm bcachefs syz 1 91d 90d
WARNING in workingset_update_node mm bcachefs syz 1 92d 90d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 73d 93d 💬 2 [93d]
INFO: task hung in rmap_walk_file mm C error 19 2d11h 100d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 87d 101d 💬 2 [92d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 10 13d 101d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 69d 103d 💬 2 [93d]
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 12d 134d PATCH [118d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 56d 135d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 34d 138d 💬 1 [137d]
possible deadlock in move_pages (2) mm C done 508 125d 147d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 48d 148d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 13d 153d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 5d23h 156d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 48d 159d 💬 25 [56d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 46d 160d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 38d 160d 💬 6 [70d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 9d11h 161d
possible deadlock in balance_pgdat (2) scsi mm C 4 131d 165d 💬 1 [122d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 55 14d 166d
INFO: rcu detected stall in sys_sendmmsg (7) mm 72 6d22h 169d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 91d 173d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 2d07h 174d 💬 7 [104d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 29d 174d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 39d 174d
BUG: corrupted list in list_lru_add mm syz 6 7d15h 177d
INFO: rcu detected stall in security_file_ioctl (9) mm 68 8d04h 178d
BUG: Bad page state in iomap_write_begin xfs mm C 210 2h09m 179d 💬 4 [56d]
kernel BUG in resv_map_release (3) mm C 9 11d 188d 💬 1 [187d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 93 2d22h 189d
BUG: unable to handle kernel paging request in schedule mm 21 67d 192d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 20d 195d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 104d 196d 💬 2 [102d]
INFO: rcu detected stall in brk (2) mm syz 2 137d 199d 💬 8 [198d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 53d 200d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 12d 201d
WARNING in get_taint (2) mm C 363 174d 205d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 29 38d 212d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 85d 214d 💬 1 [213d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 34d 215d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 220d 216d 💬 6 [214d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 68 9h09m 219d
KMSAN: uninit-value in swap_writepage mm syz 25 59d 220d 💬 2 [98d]
WARNING in vms_complete_munmap_vmas mm C 1941 15h41m 222d 💬 1 [6d17h]
WARNING in page_counter_cancel (5) mm C 15 3d11h 226d 💬 1 [225d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 9d17h 227d
INFO: rcu detected stall in vhci_release mm syz done 12 15d 232d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 26d 237d 💬 4 [237d]
INFO: rcu detected stall in shmem_fault (6) mm C 108 2d16h 241d PATCH [223d]
BUG: corrupted list in do_compact_page mm syz 46 53d 242d 💬 1 [227d]
INFO: rcu detected stall in sys_execve (6) mm syz done 47 1d13h 243d
INFO: rcu detected stall in x64_sys_call mm syz error 263 3d06h 251d
BUG: corrupted list in add_to_unbuddied mm syz 43 58d 252d 💬 4 [212d]
KMSAN: uninit-value in sw842_compress mm C 65 25d 253d 💬 3 [185d]
INFO: task hung in hugetlb_fault mm C done 65 22h13m 254d 💬 2 [218d]
kernel BUG in z3fold_page_migrate mm syz 354 51d 257d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 21d 259d 💬 1 [71d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 53d 268d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 84d 275d
INFO: rcu detected stall in kcov_close mm 111 7d14h 279d
kernel panic: System is deadlocked on memory (2) mm 30 6h19m 279d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 13d 280d PATCH [223d]
INFO: task hung in filemap_fault (6) mm 192 24d 313d
WARNING: locking bug in __schedule mm 1943 55d 344d 💬 1 [71d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 129d 351d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 293d 357d
WARNING in shmem_evict_inode (3) mm 35 8d16h 359d
INFO: rcu detected stall in sys_sendto (7) mm net C error 266 5d00h 362d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 28d 366d
BUG: Bad rss-counter state (5) bcachefs mm C done 2359 1d19h 370d 💬 3 [6d17h]
INFO: rcu detected stall in validate_mm (3) mm C error 34 8d16h 371d 💬 5 [313d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2054 2h43m 393d 💬 1 [6d17h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 303d 410d 💬 2 [289d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 259 2d09h 416d 💬 10 [24d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 45d 435d 💬 3 [289d]
WARNING in kunmap_local_indexed mm C 1533 2h15m 447d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 3d03h 453d
BUG: soft lockup in pipe_read fs mm syz 5 102d 480d
INFO: task hung in _vm_unmap_aliases (3) mm C 524 7m 495d
INFO: rcu detected stall in dput (8) mm C done 348 16h32m 504d
INFO: rcu detected stall in sys_socket (10) mm C done 118 7d14h 535d 💬 6 [531d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 270d 552d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 13d 555d 💬 1 [68d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3566 23m 589d PATCH [582d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 311d 592d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 46d 602d PATCH [318d]
kernel BUG in filemap_unaccount_folio mm C done error 371 1d22h 620d 💬 4 [165d]
INFO: rcu detected stall in sys_openat (3) mm C error 401 15h54m 623d
INFO: rcu detected stall in sys_unlink (3) mm C error 183 10h27m 644d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 181d 755d 💬 21 [195d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 536 2d11h 755d 💬 6 [6d17h]
possible deadlock in filemap_fault mm block C done 2783 1d01h 927d 💬 4 [6d17h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 412 6d09h 937d 💬 1 [278d]
memory leak in xas_create mm C 15 515d 1044d 💬 9 [551d]
WARNING in ext4_dirty_folio mm C inconclusive done 25815 6h53m 1149d 💬 2 [6d17h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 695d 1197d 💬 3 [682d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 658 8h27m 1717d 💬 7 [6d17h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1371d 1724d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 88d 1741d 💬 2 [1082d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1041d 1939d 💬 2 [1832d]
moderation (55):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last mm 1 5d08h 5d08h
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 7d19h 7d19h
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 8d06h 8d06h
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 15d 11d
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 3 12d 11d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 4d09h 15d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 14d 18d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 5 23h34m 19d
general protection fault in lru_gen_test_recent mm 2 8d12h 20d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 10 16h42m 22d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 26 1d09h 23d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 28 1h43m 23d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 29d 29d
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 35d 31d
kernel BUG in folio_clear_dirty_for_io fs mm 2 37d 33d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 2 18d 34d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 34d 34d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 35d 35d
general protection fault in workingset_refault (2) mm 1 44d 40d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 2 47d 47d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 8 2d13h 48d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 8 7h18m 51d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 49d 54d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 10d 56d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 50d 58d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 4 7d20h 60d
general protection fault in refill_obj_stock mm cgroups 4 3d06h 62d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 73d 69d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 24 7h16m 103d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 15d 112d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 5 30d 146d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 48 2d18h 178d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 226 6h02m 179d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 55 1d04h 180d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 391 7h52m 181d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 40 1d18h 214d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 34 1d18h 217d
KCSAN: data-race in getrusage / vms_clear_ptes mm 125 1d08h 238d 💬 1 [64d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 97 5d08h 317d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 90 1d15h 318d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 74 1d02h 319d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 443 7h22m 376d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 5d02h 403d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 118 8h25m 406d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 24d 492d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 25d 495d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 24d 495d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 25d 495d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1385 8h19m 527d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 881 7h15m 1228d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1317 2d09h 1251d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4606 8h23m 1422d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1521 2d11h 1696d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4070 6d00h 1986d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1959 8h19m 1992d