syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (94)
Child subsystems: damon (0)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
INFO: rcu detected stall in dentry_kill prio:high fs mm	1	C	error		6	2d00h	5d08h
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) mm race:harmful prio:low	6				1	5d10h	5d10h	💬 1 [2d21h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) mm race:harmful prio:low	6				1	5d14h	5d14h
KASAN: invalid-free in rcu_free_sheaf mm prio:high	24				5	3d09h	12d
WARNING in hrtick_start_fair cgroups mm prio:high	-1	C	error		10116	1d15h	15d
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal	19				1	22d	15d	PATCH [8d01h]
upstream test error: WARNING in call_timer_fn mm prio:high	-1				1	22d	18d	💬 1 [18d]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low	-1				4	21d	21d	💬 2 [21d]
WARNING in swap_cluster_assert_empty mm prio:low	-1				1	27d	23d	PATCH [21d]
possible deadlock in page_cache_ra_order mm fs prio:high	4				5	29d	25d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) mm race:harmful prio:low	6				1	29d	26d
INFO: rcu detected stall in clone3 (6) prio:high mm cgroups	1				34	6d12h	28d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm	-1	C			3	6d03h	30d	PATCH [28d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	21d	35d
WARNING in folio_lruvec_relock_irqsave prio:high mm	-1				1	40d	36d
possible deadlock in hugetlbfs_fallocate prio:low fs mm	4				2	37d	39d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				9	11d	44d	💬 1 [43d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	26d	44d	PATCH [42d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	57d	53d	💬 3 [51d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high arch mm	5				3	55d	56d	💬 2 [23d]
WARNING in __page_cache_release prio:low mm	-1				1	60d	56d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm	5				1	63d	62d	💬 2 [62d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm	5				4	43d	65d	💬 2 [64d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm	6				68	13h40m	69d	💬 7 [14d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86	5				2	62d	70d	PATCH [20d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				31	5d11h	77d	💬 1 [77d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm	19	C	error		20719	now	87d	PATCH [61d]
general protection fault in zap_huge_pmd prio:high mm	2	C			7	97d	98d	💬 9 [98d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm	7				20	7d07h	101d	💬 3 [100d]
possible deadlock in mfill_get_vma prio:low mm	4	C			290	48d	101d	PATCH [101d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	75d	108d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		132	10d	114d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm	4				2147	12h29m	118d	💬 2 [64d]
WARNING in __put_task_struct (6) prio:high mm	-1				5	74d	121d
WARNING: refcount bug in call_timer_fn (4) prio:high mm virt	13				24	4d04h	123d
kernel BUG in __page_table_check_zero (3) prio:high mm	-1				265	20d	126d	PATCH [8d01h]
INFO: rcu detected stall in sendfile64 prio:high mm	1				39	6d12h	130d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	137d	135d	💬 28 [51d]
BUG: Bad rss-counter state (6) prio:high mm	-1				108	7d23h	137d
kernel BUG in page_table_check_set (2) prio:low mm	-1				690	4d14h	139d	💬 1 [137d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm	1	syz	error	error	2	65d	149d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	151d	149d
INFO: rcu detected stall in __mmap_complete prio:normal mm	1	syz	error	error	7	137d	171d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		39	21h20m	185d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				50	5d21h	187d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	156d	192d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			11	12d	199d	PATCH [17d]
WARNING in sched_mm_cid_fork prio:low fs mm	-1	C	error	error	332	142d	204d	PATCH [183d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm	1	C	error		13	1d20h	209d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1	C			11	8d11h	223d	PATCH [24d]
general protection fault in __rt_mutex_slowlock_locked prio:high mm	2				24	72d	225d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	46d	240d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm	1	C			85	1d19h	246d
INFO: task hung in migrate_pages_batch (4) prio:high mm	1				196	6h55m	254d
WARNING in path_noexec (2) prio:low fs mm	-1	C	error		27160	5m	267d	PATCH [257d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm	-1	C			7	117d	283d	PATCH [273d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	35d	298d
INFO: task hung in writeback_iter (3) prio:high fs mm	1	C	error	error	19	4d03h	301d	PATCH [155d]
WARNING in __alloc_skb (4) mm	-1	C			8	104d	301d	PATCH [277d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	7h47m	301d	💬 1 [301d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm	1	C	error	error	44	19d	307d	💬 7 [187d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm	19	C	error		12	46d	324d
WARNING in trace_suspend_resume prio:high mm	-1	C			3811	6h09m	328d	💬 1 [1d16h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	9	9d14h	331d
INFO: rcu detected stall in devtmpfsd (3) prio:low mm	1	C	error	inconclusive	5	18d	339d	💬 2 [339d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	176d	364d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm	1	C	error		569	18h46m	368d	💬 1 [331d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm	1	syz	error	error	13	32d	391d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm	1	syz	error	error	61	2d18h	406d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4	1	C	error	error	3	172d	409d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm	1	syz	error	error	18	12d	416d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm	1	C	error	error	8	31d	419d
INFO: task hung in exit_mmap (2) prio:low mm	1	C	done	error	59	65d	426d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1996	11h25m	426d	PATCH [189d]
BUG: soft lockup in sys_bpf prio:low mm	1	C	error		185	1d01h	428d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		114	4d00h	428d	💬 1 [428d]
INFO: rcu detected stall in clone (7) prio:high mm	1				107	17d	455d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm	1	syz	done	error	6	37d	516d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	27	5d00h	537d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	11	12d	563d	💬 6 [472d]
INFO: rcu detected stall in sys_umount (3) prio:low mm	1	C	done	error	57	4d06h	564d	💬 2 [310d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	533d	567d	💬 1 [524d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm	1				138	2d09h	571d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			76	4d22h	576d	💬 7 [1d16h]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	43d	576d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	89	7h10m	577d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm	1	syz	error		158	1d03h	580d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm	1	syz	done	done	130	1d07h	591d
INFO: rcu detected stall in brk (2) prio:high mm	1	syz			3	71d	601d	💬 8 [601d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	126	2d00h	603d
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs	1	syz	done	error	51	10d	615d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	37d	616d	💬 1 [616d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm	-1	syz			28	329d	617d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm	1	syz	done	error	115	2d22h	622d
INFO: rcu detected stall in kjournald2 (2) mm block	1	C	error	error	88	5d02h	630d
INFO: rcu detected stall in vhci_release prio:high mm	1	syz	done	done	14	34d	635d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			244	7d23h	643d	PATCH [626d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm	1	C	done	error	84	10d	646d
INFO: rcu detected stall in x64_sys_call prio:low mm	1	C	error		570	1d16h	653d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	460d	654d	💬 4 [615d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	153d	661d	💬 1 [157d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				221	1d03h	682d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				170	1d11h	682d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1	syz			115	5d11h	683d	PATCH [626d]
WARNING in drm_mode_create_lease_ioctl prio:low mm	-1	C	inconclusive	error	86	23d	728d	PATCH [510d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter	1	syz	error	error	702	30d	753d
WARNING in shmem_evict_inode (3) prio:normal mm	-1				91	11d	761d
INFO: rcu detected stall in sendmsg (4) prio:high mm	1	C	error	error	64	54d	762d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	397	1d05h	764d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	40	5d14h	774d	💬 5 [716d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	705d	812d	💬 2 [691d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		446	2h17m	818d	💬 10 [364d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	49	2d18h	855d
BUG: soft lockup in pipe_read fs mm	1	syz			5	505d	882d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm	1	C			694	now	897d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low mm	1				269	3d17h	919d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		257	10h09m	937d	💬 6 [933d]
BUG: spinlock recursion in try_to_wake_up crypto mm	4	C			9	672d	954d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm	10	C			138	714d	994d	PATCH [335d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	495	4d01h	1022d	💬 4 [1d16h]
INFO: rcu detected stall in sys_openat (3) prio:low mm	1	C	error		620	16h13m	1026d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		392	2d22h	1046d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm	6				1045	3h35m	1158d	PATCH [94d]
possible deadlock in filemap_fault prio:high mm	4	C	done		3065	3h23m	1329d	💬 4 [3d16h]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo	1	C	error		565	1d11h	1339d	💬 1 [5d00h]
memory leak in xas_create prio:high mm	3	C			50	3d20h	1447d	PATCH [212d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25904	7d06h	1551d	💬 2 [33d]
INFO: task hung in do_read_cache_folio kasan mm block	1	C	error	error	179	1097d	1599d	💬 3 [1084d]
INFO: task can't die in wait_on_page_bit_common fs mm	1	C	done		5	1773d	2126d
INFO: task hung in do_read_cache_page (3) mm fs	1	C	done	inconclusive	88	1443d	2341d	💬 2 [2235d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) mm race:benign prio:low	6	1	1d17h	1d17h
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) mm race:benign prio:low	6	2	3d11h	6d06h
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) fs mm prio:high	-1	1	11d	11d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) fs mm race:benign prio:high	6	1	13d	13d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) mm fs race:benign prio:high	6	1	13d	13d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign prio:low	6	1	16d	16d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign	6	1	17d	17d
BUG: soft lockup in pid_child_should_wake mm prio:low	1	1	27d	23d
KCSAN: data-race in copy_process / show_stat (5) mm race:benign prio:low	6	1	26d	26d
WARNING in do_mmap prio:low mm fs	-1	1	34d	30d
KCSAN: data-race in filemap_fault / filemap_read_folio race:benign prio:low mm	6	1	35d	35d
KCSAN: data-race in copy_mm / mmap_write_unlock race:benign prio:low mm	6	1	36d	36d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm	6	1	41d	41d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm	6	1	47d	47d
KCSAN: data-race in __mmput / copy_mm (3) prio:low mm	6	1	47d	47d
KCSAN: data-race in compact_zone / compact_zone (9) prio:low mm	6	1	49d	49d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm	6	2	10d	53d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	2	31d	56d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) prio:low mm	6	2	28d	60d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	66d	62d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm	6	27	3d06h	69d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm	6	49	2d14h	70d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) prio:low fs mm	6	3	49d	127d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm	6	90	3h47m	158d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm	6	9	34d	230d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm	6	29	5d08h	284d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm	6	149	21d	451d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm	6	157	5d22h	580d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm	6	607	10h30m	582d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs	6	951	3d01h	583d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) prio:low mm	6	120	12d	616d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm	6	217	9h53m	719d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode prio:low mm	6	216	15h26m	720d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm	6	158	1d07h	722d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low mm fs	6	869	3d00h	779d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm	6	92	21d	805d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm	6	212	1d11h	808d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm	6	175	15d	928d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm	6	2810	7h30m	929d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm	6	965	5d01h	1630d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm	6	1941	1d11h	1653d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs	6	5395	7h57m	1824d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm	6	1673	1d08h	2099d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm	6	4158	3d01h	2388d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm	6	2567	23h05m	2394d