syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 311
Parent subsystem(s): kernel (89)
Child subsystems: damon (0)

open (142):
Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
KMSAN: uninit-value in __alloc_frozen_pages_noprof mm	C			2	12h08m	6h59m
KCSAN: data-race in __unmap_hugepage_range / free_huge_folio mm				1	1d18h	1d04h
KCSAN: data-race in try_to_migrate_one / zap_page_range_single mm				1	4d01h	3d14h
BUG: unable to handle kernel paging request in shmem_undo_range mm ntfs3	syz			2	4d11h	4d11h
kernel BUG in shmem_undo_range mm bcachefs	syz			1	5d14h	4d15h
WARNING in workingset_update_node mm bcachefs	syz			1	5d18h	4d15h
KASAN: slab-out-of-bounds Read in folio_try_get mm bcachefs	C			2	2d20h	7d03h	💬 2 [7d02h]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm				1	14d	10d
KASAN: slab-use-after-free Write in folio_get_anon_vma mm				1	17d	13d
INFO: task hung in rmap_walk_file mm	C	error		17	4d02h	14d
UBSAN: shift-out-of-bounds in xas_reload mm bcachefs	C			4	1d09h	15d	💬 2 [6d11h]
KASAN: slab-use-after-free Read in list_lru_del mm bcachefs	syz			4	1d00h	15d
WARNING in fsnotify_file_area_perm mm				1	19d	15d	💬 3 [14d]
UBSAN: shift-out-of-bounds in shmem_add_to_page_cache mm bcachefs	syz			1	18d	17d	💬 3 [7d02h]
UBSAN: shift-out-of-bounds in xas_create mm bcachefs	C			4	5d15h	17d	💬 2 [7d02h]
BUG: bad usercopy in vfs_readlink hardening mm	C	done		5	18d	17d	PATCH [11d]
UBSAN: shift-out-of-bounds in filemap_get_entry mm bcachefs	C			6	15d	19d	💬 4 [7d02h]
WARNING: ODEBUG bug in free_unref_page mm				1	30d	25d
BUG: stack guard page was hit in sys_openat mm v9fs	C	done	done	6	32d	28d	💬 1 [10h07m]
KASAN: use-after-free Read in ptdump_pte_entry mm				2	17d	32d
BUG: stack guard page was hit in loop_process_work mm v9fs				2	36d	32d
WARNING: locking bug in run_posix_cpu_timers mm				1	37d	33d
INFO: rcu detected stall in netlink_release (5) net mm	syz	error		2	31d	35d
BUG: stack guard page was hit in io_wq_worker mm v9fs io-uring	C			4	44d	41d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (2) mm fs				1	45d	45d
kernel BUG in alloc_hugetlb_folio_reserve mm	C	done		84	4d13h	48d	PATCH [32d]
INFO: rcu detected stall in task_numa_work (2) bpf mm	C	error		16	1d21h	48d
WARNING in vma_merge_existing_range mm				1	55d	51d	💬 7 [45d]
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm	C	inconclusive		6	18d	51d	💬 1 [51d]
KCSAN: data-race in page_cache_async_ra / page_cache_async_ra fs mm				1	53d	53d
KCSAN: data-race in read_pages / read_pages (4) fs mm				2	51d	57d
KASAN: stack-out-of-bounds Read in save_stack mm				1	61d	57d
general protection fault in __memcg_kmem_charge_page cgroups mm				1	62d	58d
general protection fault in workingset_refault mm				8	59d	61d	💬 1 [59d]
possible deadlock in move_pages (2) mm	C	done		508	39d	61d
INFO: task hung in hugetlbfs_zero_partial_page fs mm	syz	done		2	18d	62d
INFO: rcu detected stall in sys_mkdirat (2) mm				41	6d23h	67d
WARNING in __folio_rmap_sanity_checks (2) xfs mm	C	inconclusive		9	55d	72d	💬 25 [39d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm				3	1d02h	74d
INFO: rcu detected stall in mas_preallocate (2) mm	syz	done		5	8d03h	74d	💬 5 [14d]
INFO: rcu detected stall in sys_umount (3) mm	syz	done		34	35d	75d
WARNING: locking bug in on mm				4	28d	76d
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm				3	34d	76d
possible deadlock in balance_pgdat (2) scsi mm	C			4	45d	78d	💬 1 [36d]
KASAN: slab-use-after-free Read in lru_add mm				1	83d	79d
INFO: rcu detected stall in sys_symlinkat (5) mm	syz	error		48	1d08h	79d
BUG: stack guard page was hit in sys_sendfile64 mm	C			7	36d	80d
WARNING: locking bug in emon mm bpf				2	86d	82d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) mm media	syz	error		8	5d06h	86d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm				1	91d	87d
KASAN: slab-use-after-free Read in folio_evictable (3) mm	C			15	10d	87d	💬 7 [17d]
INFO: rcu detected stall in sys_mmap (3) mm	C	error		20	2d23h	88d
INFO: rcu detected stall in sys_setsockopt (4) mm	C	done		22	6d17h	88d
BUG: corrupted list in list_lru_add mm bcachefs	syz			1	95d	91d
INFO: rcu detected stall in security_file_ioctl (9) mm				58	22d	91d
possible deadlock in try_to_wake_up (7) mm				2	22d	92d
WARNING in _xfs_buf_alloc mm				1	97d	93d
BUG: Bad page state in iomap_write_begin xfs mm	C			125	1d16h	93d	💬 4 [1d04h]
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm				5	15d	100d
kernel BUG in resv_map_release (3) mm	C			6	2d08h	101d	💬 1 [101d]
INFO: rcu detected stall in sys_pipe2 (2) mm	syz	done		84	3d08h	103d
BUG: unable to handle kernel paging request in schedule mm				18	17d	106d
BUG: stack guard page was hit in v9fs_file_read_iter mm	C			26	32d	107d	PATCH [70d]
WARNING: locking bug in get_page_from_freelist mm	syz			410	18d	109d	💬 1 [64d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm				11	8d06h	109d
WARNING: locking bug in __set_page_owner mm	C	error		179425	18d	110d	💬 2 [16d]
INFO: rcu detected stall in brk (2) mm	syz			2	50d	113d	💬 8 [112d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm				76	33d	113d
INFO: rcu detected stall in kthreadd (2) mm	C	unreliable		47	11h56m	114d
WARNING in get_taint (2) mm	C			363	88d	119d
INFO: rcu detected stall in vms_complete_munmap_vmas mm	syz			3	87d	119d	💬 5 [119d]
INFO: rcu detected stall in sys_readlink (5) fs mm	syz	done		26	31d	126d
INFO: rcu detected stall in seq_read_iter (2) mm	C	inconclusive	error	7	50d	128d	💬 1 [127d]
WARNING: ODEBUG bug in __folio_put (2) usb mm	syz			23	6d12h	129d
INFO: rcu detected stall in vma_link_file mm input usb	syz			1	134d	130d	💬 6 [128d]
INFO: rcu detected stall in sys_mprotect (8) mm	syz	done		60	1d13h	133d
KMSAN: uninit-value in swap_writepage mm	syz			14	5h31m	134d	💬 2 [12d]
WARNING in vms_complete_munmap_vmas mm	C			1076	14m	136d	💬 1 [46d]
INFO: rcu detected stall in kswapd (3) mm	C			5	54d	138d
WARNING in page_counter_cancel (5) mm	C			9	6d20h	140d	💬 1 [139d]
INFO: rcu detected stall in schedule_tail (6) mm	C			8	46d	141d
INFO: rcu detected stall in kjournald2 (2) mm	C	error		63	6h11m	141d
BUG: unable to handle kernel paging request in clear_page_erms (6) mm net virt				2	76d	146d
INFO: rcu detected stall in vhci_release mm	syz	done		8	9d06h	146d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore ntfs3 mm	syz			2	147d	147d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm				122	12h46m	151d	💬 4 [151d]
INFO: rcu detected stall in shmem_fault (6) mm				80	3d08h	155d	PATCH [137d]
BUG: corrupted list in do_compact_page mm	syz			30	4d05h	156d	💬 1 [141d]
INFO: rcu detected stall in sys_execve (6) mm	syz	done		44	38d	157d
INFO: rcu detected stall in x64_sys_call usb input mm	syz	error		216	8d00h	165d
BUG: corrupted list in add_to_unbuddied mm	syz			32	11h18m	166d	💬 4 [126d]
KMSAN: uninit-value in sw842_compress mm	C			48	3d17h	166d	💬 3 [99d]
INFO: task hung in hugetlb_fault mm	C	done		65	7d15h	167d	💬 2 [132d]
kernel BUG in z3fold_page_migrate mm	syz			243	10h08m	170d
INFO: task hung in page_cache_ra_unbounded (2) mm fs	C	done		3627	3d21h	172d	💬 1 [16d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm				42	33d	182d
INFO: task hung in hugetlb_wp mm	C	done		94	30d	189d
INFO: rcu detected stall in kcov_close mm				100	1d04h	193d
kernel panic: System is deadlocked on memory (2) mm				20	20d	193d
INFO: rcu detected stall in vm_mmap_pgoff mm kasan				79	10d	194d	PATCH [137d]
INFO: rcu detected stall in kcov_ioctl (2) mm				78	46d	207d	💬 2 [206d]
BUG: Bad page map (8) mm	C	done	done	10	35d	218d	💬 10 [56d]
INFO: task hung in filemap_fault (6) mm				187	19d	227d
WARNING in __page_table_check_ptes_set (2) mm	C	done	inconclusive	120	39d	254d	💬 4 [144d]
WARNING: locking bug in __schedule mm				1655	4h48m	258d	💬 1 [16d]
BUG: unable to handle kernel paging request in free_unref_page mm	syz			2	42d	265d
INFO: rcu detected stall in kcompactd (2) mm	C	error	unreliable	6	85d	265d	💬 2 [265d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm	C	error	inconclusive	621	207d	270d
INFO: rcu detected stall in shmem_file_write_iter (2) mm				142	1d16h	271d
WARNING in shmem_evict_inode (3) mm				26	1d08h	272d
INFO: rcu detected stall in sys_sendto (7) net mm	C	error		252	3d06h	276d
INFO: task hung in __lru_add_drain_all (2) mm	syz			270	37d	280d
BUG: Bad rss-counter state (5) bcachefs mm	C	done		2265	1d18h	284d	💬 3 [16d]
INFO: rcu detected stall in validate_mm (3) mm	C	error		32	7d14h	285d	💬 5 [227d]
general protection fault in __pte_offset_map_lock mm	C	done	done	90	72d	292d
possible deadlock in gup_fast_fallback mm	C	done		1555	3h52m	306d	💬 1 [16d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	C	error	inconclusive	498	217d	323d	💬 2 [203d]
INFO: rcu detected stall in sys_clone (8) mm bpf	C	error		233	12h32m	329d	💬 10 [1d04h]
INFO: rcu detected stall in asm_exc_page_fault mm	syz	error		4	21d	349d	💬 3 [203d]
WARNING in kunmap_local_indexed mm	C			1380	214d	361d
INFO: rcu detected stall in sys_syslog (2) mm	C	error		37	6d07h	367d
BUG: soft lockup in pipe_read mm fs	syz			5	16d	393d
INFO: task hung in _vm_unmap_aliases (3) mm	C			509	88d	409d
INFO: rcu detected stall in dput (8) mm	C	done		281	12h35m	418d
INFO: rcu detected stall in sys_socket (10) mm	C	done		105	16d	449d	💬 6 [444d]
BUG: spinlock recursion in try_to_wake_up mm crypto	C			9	183d	466d
INFO: rcu detected stall in worker_thread (9) mm	C	done		3263	10h33m	503d	PATCH [496d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm	C			138	225d	506d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm	C	inconclusive		10440	1d11h	516d	PATCH [232d]
kernel BUG in filemap_unaccount_folio mm	C	done	done	367	1d10h	534d	💬 4 [79d]
INFO: rcu detected stall in sys_openat (3) mm	C	error		364	21h50m	537d
INFO: rcu detected stall in sys_unlink (3) mm	C	error		168	12d	557d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm	syz			760	95d	669d	💬 21 [109d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm				427	8m	669d	💬 6 [141d]
possible deadlock in filemap_fault mm	C	done		2547	13h00m	841d	💬 4 [16d]
INFO: rcu detected stall in sys_newfstatat (4) mm	C	error		391	11d	850d	💬 1 [192d]
memory leak in xas_create mm	C			15	429d	958d	💬 9 [464d]
WARNING in ext4_dirty_folio mm	C	inconclusive	done	25805	11h41m	1063d	💬 2 [16d]
INFO: task hung in do_read_cache_folio kasan mm block	C	error	error	179	609d	1110d	💬 3 [596d]
INFO: rcu detected stall in corrupted (4) net mm	C	done	inconclusive	638	10d	1631d	💬 7 [78d]
INFO: task can't die in wait_on_page_bit_common fs mm	C	done		5	1285d	1638d
INFO: task hung in do_read_cache_page (3) fs mm	C	done	inconclusive	88	955d	1852d	💬 2 [1746d]

moderation (51):
Title	Count	Last	Reported
BUG: corrupted list in __folio_split mm	1	11d	7d10h
KCSAN: data-race in desc_read_finalized_seq / prb_reserve mm	13	15m	7d16h
KCSAN: data-race in xas_create / xas_find (9) fs mm	1	8d21h	8d21h
KCSAN: data-race in getrusage / try_to_migrate_one mm	7	16h50m	9d20h
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm	1	16d	16d
BUG: stack guard page was hit in sys_mount mm	1	24d	20d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (7) fs mm	2	17d	25d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm	3	5d14h	26d
BUG: unable to handle kernel paging request in __folio_batch_add_and_move mm	2	32d	42d
general protection fault in debug_check_no_obj_freed (8) mm	1	47d	43d
KCSAN: data-race in compact_zone / compact_zone (7) mm	1	47d	47d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes mm	2	44d	48d
general protection fault in trace_event_raw_event_hugetlbfs_alloc_inode fs mm	1	57d	53d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark fs mm	2	32d	53d
kernel panic: stack is corrupted in lock_acquire (4) mm cgroups	1	61d	57d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm	3	32d	60d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (3) mm	2	40d	63d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm	5	11d	73d
KCSAN: data-race in filemap_flush / xas_set_mark (3) fs mm	14	25d	74d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) fs mm	3	34d	80d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm	28	4h56m	91d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm	3	34d	92d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm	126	4h56m	93d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm	30	3d05h	94d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm	215	3h27m	94d
BUG: workqueue leaked atomic, lock or RCU: syz.NUM.NUM[NUM] mm usb	4	51d	98d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm	7	29d	106d
general protection fault in call_timer_fn mm rdma acpi	3	15d	125d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm	23	2d06h	127d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm	24	1d08h	130d
INFO: task hung in writeback_iter fs mm	145	35d	144d
KCSAN: data-race in getrusage / vms_clear_ptes mm	75	4h28m	151d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) mm fs	6	20d	157d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm	13	43d	221d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm	65	1d01h	231d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm	62	2h24m	231d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm	48	9d01h	233d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm	289	11h00m	290d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm	54	3d17h	316d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm	95	2d21h	320d
KCSAN: data-race in mas_walk / mas_wmb_replace mm	212	10h01m	406d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm	504	6h43m	408d
KCSAN: data-race in call_rcu / mtree_range_walk mm	769	10h52m	408d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm	546	10h30m	408d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm	1033	4h26m	440d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm ext4	860	6h17m	1142d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm	1174	1h05m	1165d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm	4447	4h03m	1336d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm	1488	4d13h	1610d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm	4061	16d	1900d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm	1752	11h01m	1905d