syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 414
Parent subsystem(s): kernel (86)
Child subsystems: damon (0)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
INFO: rcu detected stall in unmap_region prio:normal mm	1	syz	error		4	19d	15d
INFO: rcu detected stall in sys_epoll_wait (9) mm usb input prio:high	1	C	error		1	21d	19d
INFO: rcu detected stall in dentry_kill prio:high mm	1	C	error		18	1d20h	28d	PATCH [15d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) mm race:harmful prio:low	6				1	28d	28d	💬 1 [26d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) mm race:harmful prio:low	6				1	29d	29d
KASAN: invalid-free in rcu_free_sheaf prio:high mm arm net	24				6	6d12h	36d	PATCH [11h34m]
upstream test error: WARNING in call_timer_fn prio:high mm	-1				1	46d	42d	💬 1 [42d]
linux-next test error: kernel BUG in post_alloc_hook prio:low mm	-1				4	44d	45d	💬 2 [44d]
WARNING in swap_cluster_assert_empty prio:low mm	-1				1	50d	46d	PATCH [45d]
possible deadlock in page_cache_ra_order prio:high mm fs	4				9	15h08m	48d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm	6				2	16d	50d
INFO: rcu detected stall in clone3 (6) prio:high mm cgroups	1				40	12d	51d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm	-1	C			3	29d	53d	PATCH [51d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	44d	58d
WARNING in folio_lruvec_relock_irqsave prio:high mm	-1				1	64d	60d
possible deadlock in hugetlbfs_fallocate prio:low fs mm	4				2	60d	62d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				14	15d	67d	💬 1 [66d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	49d	67d	PATCH [65d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	80d	76d	💬 3 [75d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high arch mm	5				3	79d	79d	💬 2 [47d]
WARNING in __page_cache_release prio:low mm	-1				1	83d	79d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm	5				1	86d	85d	💬 2 [85d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm	5				4	66d	89d	💬 2 [88d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm	6				89	1d23h	92d	💬 7 [38d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86	5				2	86d	93d	PATCH [43d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				31	28d	101d	💬 1 [101d]
WARNING in rcu_tasks_verify_work_fn prio:low mm	-1				18	6d14h	109d	PATCH [12d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm	19	C	error		27519	now	110d	PATCH [85d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm	7				21	21d	124d	💬 3 [124d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	98d	132d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		132	3d11h	137d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm	4				2336	23h34m	142d	💬 2 [87d]
WARNING in __put_task_struct (6) prio:high mm	-1				5	98d	145d
WARNING: refcount bug in call_timer_fn (4) prio:high mm virt	13				28	15h30m	147d	💬 4 [12d]
kernel BUG in __page_table_check_zero (3) prio:high mm	-1				278	12d	150d	PATCH [31d]
INFO: rcu detected stall in sendfile64 prio:high mm	1				40	14d	154d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	160d	159d	💬 28 [75d]
BUG: Bad rss-counter state (6) prio:high mm	-1				110	13d	160d
kernel BUG in page_table_check_set (2) prio:low mm	-1				711	13d	163d	💬 1 [161d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm	1	syz	error	error	2	88d	172d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	174d	172d
INFO: rcu detected stall in __mmap_complete prio:normal mm	1	syz	error	error	8	10d	195d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		54	23m	208d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				52	15d	211d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	180d	215d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			11	35d	222d	PATCH [40d]
WARNING in sched_mm_cid_fork prio:low fs mm	-1	C	error	error	332	165d	227d	PATCH [206d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm	1	C	error		16	5d03h	233d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	70d	264d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm	1	C			88	1d17h	269d
INFO: task hung in migrate_pages_batch (4) prio:high mm	1				247	55m	277d
WARNING in path_noexec (2) prio:low fs mm	-1	C	error		27195	19d	291d	PATCH [281d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm	-1	C			7	140d	306d	PATCH [297d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				60	15d	321d
INFO: task hung in writeback_iter (3) prio:high fs mm	1	C	error	error	20	19d	324d	PATCH [178d]
WARNING in __alloc_skb (4) mm	-1	C			8	127d	325d	PATCH [301d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		38	8d02h	325d	💬 1 [325d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm	1	C	error	error	45	10d	330d	💬 7 [211d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm	19	C	error		12	69d	348d	PATCH [3d11h]
WARNING in trace_suspend_resume prio:high mm	-1	C			3856	2d07h	352d	💬 1 [25d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	10	21d	355d
INFO: rcu detected stall in devtmpfsd (3) prio:low mm	1	C	error	inconclusive	5	42d	363d	💬 2 [362d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	200d	387d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm	1	C	error		604	10h28m	392d	💬 1 [354d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm	1	syz	error	error	13	55d	414d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm	1	syz	error	error	61	26d	430d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4	1	C	error	error	3	195d	432d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm	1	syz	error	error	18	36d	440d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm	1	C	error	error	9	16d	443d
INFO: task hung in exit_mmap (2) prio:low mm	1	C	done	error	59	88d	449d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		2044	10d	449d	PATCH [212d]
BUG: soft lockup in sys_bpf prio:low mm	1	C	error		200	2d10h	451d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		118	10d	452d	💬 1 [451d]
INFO: rcu detected stall in clone (7) prio:high mm	1				117	1d18h	478d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm	1	syz	done	error	6	61d	539d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	27	28d	560d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	11	35d	586d	💬 6 [495d]
INFO: rcu detected stall in sys_umount (3) prio:low mm	1	C	done	error	57	27d	587d	💬 2 [333d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	557d	590d	💬 1 [548d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm	1				141	10d	595d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			78	10d	599d	💬 7 [25d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	66	5d23h	600d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	95	8d17h	600d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm	1	syz	error		168	6h31m	603d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm	1	syz	done	done	133	12d	615d
INFO: rcu detected stall in brk (2) prio:high mm	1	syz			3	94d	625d	💬 8 [624d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	131	2d02h	626d
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs	1	syz	done	error	55	14h21m	638d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	60d	640d	💬 1 [639d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm	-1	syz			28	353d	641d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm	1	syz	done	error	121	4d17h	645d
INFO: rcu detected stall in kjournald2 (2) mm block	1	C	error	error	90	10d	653d
INFO: rcu detected stall in vhci_release prio:high mm	1	syz	done	done	14	57d	658d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			252	1d04h	667d	PATCH [649d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm	1	C	done	error	87	16h32m	669d
INFO: rcu detected stall in x64_sys_call prio:low mm	1	C	error		580	2d09h	677d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	484d	678d	💬 4 [638d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	177d	684d	💬 1 [180d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				224	9d00h	705d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				186	1d12h	705d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1	syz			117	21h54m	706d	PATCH [649d]
WARNING in drm_mode_create_lease_ioctl prio:low mm	-1	C	inconclusive	error	86	46d	752d	PATCH [533d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter	1	syz	error	error	703	20d	777d
WARNING in shmem_evict_inode (3) prio:normal mm	-1				97	2d10h	785d
INFO: rcu detected stall in sendmsg (4) prio:high mm	1	C	error	error	65	12d	785d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	400	6d03h	788d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	41	17d	797d	💬 5 [739d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	729d	835d	💬 2 [715d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		457	1d15h	841d	💬 10 [388d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	51	4d06h	879d
BUG: soft lockup in pipe_read fs mm	1	syz			5	528d	905d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm	1	C			696	1d19h	921d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low mm	1				274	17h14m	942d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		270	2h33m	961d	💬 6 [956d]
BUG: spinlock recursion in try_to_wake_up crypto mm	4	C			9	695d	978d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm	10	C			138	737d	1018d	PATCH [358d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	496	45m	1046d	💬 4 [25d]
INFO: rcu detected stall in sys_openat (3) prio:low mm	1	C	error		640	14h31m	1049d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		399	2d23h	1070d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm	6				1064	14h14m	1181d	PATCH [117d]
possible deadlock in filemap_fault prio:high mm	4	C	done		3095	7h16m	1353d	PATCH [17d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo	1	C	error		585	1d23h	1362d	💬 1 [28d]
memory leak in xas_create prio:high mm	3	C			56	1d04h	1470d	PATCH [236d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25913	3h00m	1575d	💬 2 [56d]
INFO: task hung in do_read_cache_folio kasan mm block	1	C	error	error	179	1121d	1622d	💬 3 [1108d]
INFO: task can't die in wait_on_page_bit_common fs mm	1	C	done		5	1797d	2150d
INFO: task hung in do_read_cache_page (3) mm fs	1	C	done	inconclusive	88	1467d	2364d	💬 2 [2258d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign	6	1	5h05m	5h04m
general protection fault in __refill_obj_stock mm cgroups prio:high	2	1	19d	15d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) fs mm race:benign prio:high	6	1	18d	18d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) mm race:benign prio:low	6	1	23d	23d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) mm race:benign prio:low	6	1	25d	25d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) mm race:benign prio:low	6	2	26d	29d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm	-1	3	4d03h	34d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) race:benign prio:high mm fs	6	1	36d	36d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) race:benign prio:high fs mm	6	1	37d	37d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) race:benign prio:low fs mm	6	1	39d	39d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) prio:low race:benign mm	6	1	41d	41d
BUG: soft lockup in pid_child_should_wake prio:low mm	1	2	20d	47d
KCSAN: data-race in copy_process / show_stat (5) race:benign prio:low mm	6	1	50d	50d
WARNING in do_mmap prio:low mm fs	-1	1	58d	54d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm	6	2	18d	64d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm	6	3	19d	76d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	3	14d	79d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) prio:low mm	6	2	52d	84d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm	6	28	22d	92d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm	6	63	3d05h	93d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm	6	95	11h20m	182d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm	6	10	5d14h	253d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm	6	30	20d	307d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm	6	152	1d16h	474d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm	6	164	5d12h	603d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm	6	630	5h22m	605d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs	6	953	12d	606d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm	6	223	13h10m	743d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm	6	160	6d16h	745d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low mm fs	6	869	26d	802d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm	6	92	44d	828d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm	6	216	5d08h	832d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm	6	177	9d23h	951d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm	6	2887	4h40m	952d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm	6	967	3d08h	1654d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm	6	1979	3h23m	1677d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs	6	5443	3h04m	1848d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm	6	1679	44m	2122d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm	6	4159	19d	2412d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm	6	2579	1d12h	2417d