syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (97)
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	10h50m	3d19h
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) mm race:harmful prio:low	6				1	3d21h	3d20h	💬 1 [1d07h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) mm race:harmful prio:low	6				1	4d01h	4d00h
KASAN: invalid-free in rcu_free_sheaf mm prio:high	24				5	1d20h	11d
WARNING in hrtick_start_fair cgroups mm prio:high	-1	C	error		10116	1h51m	14d
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal	19				1	20d	14d	PATCH [6d11h]
upstream test error: WARNING in call_timer_fn mm prio:high	-1				1	21d	17d	💬 1 [17d]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low	-1				4	19d	20d	💬 2 [19d]
WARNING in swap_cluster_assert_empty mm prio:low	-1				1	25d	21d	PATCH [20d]
possible deadlock in page_cache_ra_order mm fs prio:high	4				5	27d	23d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) mm race:harmful prio:low	6				1	27d	25d
INFO: rcu detected stall in clone3 (6) prio:high mm cgroups	1				34	4d22h	26d
WARNING in alloc_frozen_pages_noprof (2) mm prio:high	-1	C			3	4d13h	28d	PATCH [26d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	19d	33d
WARNING in folio_lruvec_relock_irqsave prio:high mm	-1				1	39d	35d
possible deadlock in hugetlbfs_fallocate prio:low fs mm	4				2	35d	37d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				9	9d15h	42d	💬 1 [41d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	24d	42d	PATCH [40d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	55d	51d	💬 3 [50d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high mm arch	5				3	54d	54d	💬 2 [22d]
WARNING in __page_cache_release mm prio:low	-1				1	58d	54d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm	5				1	61d	60d	💬 2 [60d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm	5				4	41d	64d	💬 2 [63d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm	6				67	2h10m	67d	💬 7 [13d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86	5				2	61d	68d	PATCH [18d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				31	3d21h	75d	💬 1 [75d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm	19	C	error		20391	now	85d	PATCH [60d]
general protection fault in zap_huge_pmd prio:high mm	2	C			7	95d	97d	💬 9 [96d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm	7				20	5d17h	99d	💬 3 [99d]
possible deadlock in mfill_get_vma prio:low mm	4	C			290	46d	100d	PATCH [99d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	73d	107d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		132	9d01h	112d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm	4				2146	6d02h	117d	💬 2 [62d]
WARNING in __put_task_struct (6) prio:high mm	-1				5	73d	120d
WARNING: refcount bug in call_timer_fn (4) prio:high mm virt	13				24	2d15h	122d
kernel BUG in __page_table_check_zero (3) prio:high mm	-1				265	18d	125d	PATCH [6d12h]
INFO: rcu detected stall in sendfile64 prio:high mm	1				39	4d22h	129d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	135d	134d	💬 28 [50d]
BUG: Bad rss-counter state (6) prio:high mm	-1				108	6d09h	135d
kernel BUG in page_table_check_set (2) prio:low mm	-1				690	3d00h	138d	💬 1 [136d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm	1	syz	error	error	2	63d	147d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	149d	147d
INFO: rcu detected stall in __mmap_complete prio:normal mm	1	syz	error	error	7	135d	170d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		38	2d07h	183d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				50	4d08h	186d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	155d	190d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			11	10d	197d	PATCH [15d]
WARNING in sched_mm_cid_fork prio:low fs mm	-1	C	error	error	332	140d	202d	PATCH [181d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm	1	C	error		13	6h50m	208d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1	C			11	6d22h	222d	PATCH [22d]
general protection fault in __rt_mutex_slowlock_locked prio:high mm	2				24	70d	224d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	45d	239d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm	1	C			85	5h48m	244d
INFO: task hung in migrate_pages_batch (4) prio:high mm	1				194	2h49m	252d
WARNING in path_noexec (2) prio:low fs mm	-1	C	error		27150	11h05m	266d	PATCH [256d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm	-1	C			7	115d	281d	PATCH [271d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	34d	296d
INFO: task hung in writeback_iter (3) prio:high fs mm	1	C	error	error	19	2d13h	299d	PATCH [153d]
WARNING in __alloc_skb (4) mm	-1	C			8	102d	300d	PATCH [276d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	28d	300d	💬 1 [300d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm	1	C	error	error	44	17d	305d	💬 7 [186d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm	19	C	error		12	44d	323d
WARNING in trace_suspend_resume prio:high mm	-1	C			3807	4h46m	327d	💬 1 [2h37m]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	9	8d00h	329d
INFO: rcu detected stall in devtmpfsd (3) prio:low mm	1	C	error	inconclusive	5	17d	338d	💬 2 [337d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	175d	362d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm	1	C	error		567	10h20m	367d	💬 1 [329d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm	1	syz	error	error	13	30d	389d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm	1	syz	error	error	61	1d04h	405d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4	1	C	error	error	3	170d	407d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm	1	syz	error	error	18	11d	415d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm	1	C	error	error	8	30d	418d
INFO: task hung in exit_mmap (2) prio:low mm	1	C	done	error	59	63d	424d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1994	7h13m	424d	PATCH [187d]
BUG: soft lockup in sys_bpf prio:low mm	1	C	error		183	1d16h	426d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		114	2d10h	427d	💬 1 [426d]
INFO: rcu detected stall in clone (7) prio:high mm	1				107	16d	453d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm	1	syz	done	error	6	36d	514d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	27	3d10h	535d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	11	10d	561d	💬 6 [470d]
INFO: rcu detected stall in sys_umount (3) prio:low mm	1	C	done	error	57	2d17h	562d	💬 2 [308d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	532d	565d	💬 1 [523d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm	1				138	20h09m	570d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			76	3d08h	574d	💬 7 [2h37m]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	41d	575d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	87	7h32m	575d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm	1	syz	error		157	1d11h	578d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm	1	syz	done	done	129	10h21m	590d
INFO: rcu detected stall in brk (2) prio:high mm	1	syz			3	69d	600d	💬 8 [599d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	126	10h36m	601d
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs	1	syz	done	error	51	8d12h	613d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	35d	615d	💬 1 [614d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm	-1	syz			28	328d	616d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm	1	syz	done	error	115	1d08h	620d
INFO: rcu detected stall in kjournald2 (2) mm block	1	C	error	error	88	3d13h	628d
INFO: rcu detected stall in vhci_release prio:high mm	1	syz	done	done	14	32d	633d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			244	6d09h	642d	PATCH [624d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm	1	C	done	error	84	9d06h	644d
INFO: rcu detected stall in x64_sys_call prio:low mm	1	C	error		570	2h50m	652d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	459d	653d	💬 4 [613d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	152d	659d	💬 1 [155d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				220	18h35m	680d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				169	2h14m	680d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1	syz			115	3d21h	681d	PATCH [624d]
WARNING in drm_mode_create_lease_ioctl prio:low mm	-1	C	inconclusive	error	86	21d	727d	PATCH [508d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter	1	syz	error	error	702	29d	752d
WARNING in shmem_evict_inode (3) prio:normal mm	-1				91	10d	759d
INFO: rcu detected stall in sendmsg (4) prio:high mm	1	C	error	error	64	53d	760d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	394	15h47m	763d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	40	4d01h	772d	💬 5 [714d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	704d	810d	💬 2 [690d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		444	2h58m	816d	💬 10 [363d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	49	1d04h	854d
BUG: soft lockup in pipe_read fs mm	1	syz			5	503d	880d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm	1	C			694	12d	896d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low mm	1				269	2d04h	917d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		255	8h12m	936d	💬 6 [931d]
BUG: spinlock recursion in try_to_wake_up crypto mm	4	C			9	670d	953d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm	10	C			138	712d	993d	PATCH [333d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	495	2d12h	1021d	💬 4 [2h37m]
INFO: rcu detected stall in sys_openat (3) prio:low mm	1	C	error		618	21h30m	1024d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		392	1d08h	1044d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm	6				1040	4h29m	1156d	PATCH [92d]
possible deadlock in filemap_fault prio:high mm	4	C	done		3062	11d	1328d	💬 4 [2d02h]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo	1	C	error		564	2h20m	1337d	💬 1 [3d10h]
memory leak in xas_create prio:high mm	3	C			50	2d07h	1445d	PATCH [211d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25904	5d16h	1550d	💬 2 [31d]
INFO: task hung in do_read_cache_folio kasan mm block	1	C	error	error	179	1096d	1597d	💬 3 [1083d]
INFO: task can't die in wait_on_page_bit_common fs mm	1	C	done		5	1772d	2125d
INFO: task hung in do_read_cache_page (3) mm fs	1	C	done	inconclusive	88	1442d	2339d	💬 2 [2233d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) mm race:benign	6	1	3h41m	3h40m
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) mm race:benign prio:low	6	2	1d21h	4d16h
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) fs mm prio:high	-1	1	9d13h	9d13h
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) fs mm race:benign prio:high	6	1	11d	11d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) mm fs race:benign prio:high	6	1	12d	12d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign prio:low	6	1	14d	14d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign	6	1	16d	16d
BUG: soft lockup in pid_child_should_wake mm prio:low	1	1	26d	22d
KCSAN: data-race in copy_process / show_stat (5) mm race:benign prio:low	6	1	25d	25d
WARNING in do_mmap prio:low mm fs	-1	1	33d	29d
KCSAN: data-race in filemap_fault / filemap_read_folio race:benign prio:low mm	6	1	33d	33d
KCSAN: data-race in copy_mm / mmap_write_unlock race:benign prio:low mm	6	1	34d	34d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm	6	1	39d	39d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm	6	1	45d	45d
KCSAN: data-race in __mmput / copy_mm (3) prio:low mm	6	1	46d	46d
KCSAN: data-race in compact_zone / compact_zone (9) prio:low mm	6	1	48d	48d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm	6	2	9d02h	51d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	2	29d	54d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:low	6	2	27d	59d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	65d	61d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm	6	27	1d16h	67d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm	6	49	1d00h	68d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) prio:low fs mm	6	3	48d	125d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm	6	89	1d01h	157d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm	6	9	33d	228d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm	6	29	3d18h	282d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm	6	149	19d	449d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm	6	157	4d09h	578d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm	6	606	19h03m	580d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs	6	951	1d11h	581d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) prio:low mm	6	120	10d	614d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm	6	216	2d15h	718d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode prio:low mm	6	215	13h41m	718d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm	6	157	9d04h	720d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low mm fs	6	869	1d11h	777d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm	6	92	19d	803d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm	6	211	4d20h	806d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm	6	175	14d	926d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm	6	2805	11h39m	927d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm	6	965	3d12h	1629d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm	6	1940	8h16m	1652d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs	6	5394	11h27m	1823d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm	6	1672	2d14h	2097d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm	6	4158	1d11h	2387d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm	6	2566	3h59m	2392d