syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (102)
Child subsystems: damon (0)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
WARNING in folio_lruvec_relock_irqsave mm	-1				1	4d15h	15h47m
possible deadlock in hugetlbfs_fallocate fs mm	4				2	1d03h	3d03h
possible deadlock in gup_fast_fallback (3) mm	4				7	6d01h	8d02h	💬 1 [7d03h]
possible deadlock in hugetlb_vma_lock_write mm	4				1	12d	8d05h	PATCH [6d08h]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	21d	17d	💬 3 [15d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages mm arch	5				3	19d	20d
WARNING in __page_cache_release mm	-1				1	24d	20d
BUG: sleeping function called from invalid context in shmem_undo_range mm	5				1	27d	26d	💬 2 [26d]
BUG: sleeping function called from invalid context in tlb_flush_mmu arch mm prio:high	5				1	27d	26d
BUG: sleeping function called from invalid context in __zap_vma_range mm	5				4	7d07h	29d	💬 2 [28d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm	6				38	20h03m	33d	💬 5 [26d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	26d	34d	PATCH [11d]
INFO: rcu detected stall in kcov_ioctl (3) mm prio:high	1				30	45d	41d	💬 1 [41d]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm	19				8	49d	50d	💬 3 [50d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) jfs mm	19	C	error		9482	12m	51d	PATCH [25d]
general protection fault in zap_huge_pmd mm	2	C			7	61d	62d	💬 9 [62d]
KMSAN: uninit-value in copy_from_kernel_nofault mm	7				11	2d02h	65d	💬 3 [65d]
possible deadlock in mfill_get_vma mm	4	C			290	12d	65d	PATCH [65d]
WARNING: suspicious RCU usage in usb_tx_block mm	4				4	39d	72d
INFO: rcu detected stall in __dentry_kill mm prio:high	1				110	14h46m	78d
possible deadlock in lock_mm_and_find_vma (4) mm	4				1624	50m	82d	💬 2 [28d]
INFO: rcu detected stall in sys_rename (8) mm	1	syz			10	89d	85d
WARNING in __kfence_free (4) mm kasan	-1				1	89d	85d
WARNING in __put_task_struct (6) mm	-1				5	38d	85d
kernel BUG in __page_table_check_zero (3) mm	-1				256	22d	90d
INFO: rcu detected stall in sendfile64 mm	1				37	22d	94d
kernel BUG in __khugepaged_enter mm	-1				5	97d	94d	💬 4 [91d]
KASAN: slab-use-after-free Read in mas_walk mm prio:high	19	C			1	97d	96d	💬 6 [95d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat	3	syz			1	101d	99d	💬 28 [15d]
BUG: Bad rss-counter state (6) mm	-1				101	6d09h	101d
kernel BUG in page_table_check_set (2) mm prio:low	-1				643	2d22h	103d	💬 1 [101d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm prio:low	1	syz	error	error	2	29d	113d
INFO: rcu detected stall in schedule_tail (8) mm	1	C	error	error	1	115d	113d
WARNING in unlink_anon_vmas (2) mm	-1	C	error		30	58d	122d	PATCH [122d]
INFO: rcu detected stall in __mmap_complete mm	1	syz	error	error	7	101d	135d
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm	1	C	error		24	1d23h	149d
INFO: rcu detected stall in sys_io_uring_enter (3) mm	1				47	6d22h	151d
INFO: rcu detected stall in finish_dput mm prio:low	1	C	error	error	138	120d	156d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm prio:high	5	syz			6	15d	163d	PATCH [17d]
WARNING in sched_mm_cid_fork mm fs	-1	C	error	error	332	106d	168d	PATCH [147d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm	1	C	error		10	53d	173d
WARNING in __page_table_check_ptes_set (3) mm prio:low	-1				6	59d	187d
general protection fault in __rt_mutex_slowlock_locked mm	2				24	36d	189d
INFO: rcu detected stall in sys_symlink (6) mm prio:high	1	C	error	inconclusive	6	10d	204d
INFO: rcu detected stall in shmem_file_write_iter (3) mm	1	C			79	3d04h	210d
INFO: task hung in migrate_pages_batch (4) mm	1				120	40d	218d
WARNING in path_noexec (2) fs mm	-1	C	error		25928	29m	231d	PATCH [221d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm	-1	C			7	81d	247d	PATCH [237d]
KMSAN: uninit-value in __run_timer_base (2) mm	22				13	80d	252d	PATCH [249d]
INFO: rcu detected stall in sys_madvise (2) mm	1				58	1h33m	262d
INFO: task hung in writeback_iter (3) mm fs	1	C	error	error	18	38d	265d	PATCH [119d]
WARNING in __alloc_skb (4) mm	-1	C			8	68d	265d	PATCH [241d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		33	3d18h	266d	💬 1 [265d]
INFO: rcu detected stall in sys_munmap (2) mm	1	C	error	error	43	23d	271d	💬 7 [151d]
KASAN: slab-use-after-free Read in lru_add (2) mm	19	C	error		12	10d	288d
WARNING in trace_suspend_resume mm prio:high	-1	C			3531	6h42m	293d	💬 1 [49d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm	1	C	error	error	7	2d01h	295d
INFO: rcu detected stall in devtmpfsd (3) mm	1	C	error	inconclusive	4	120d	304d	💬 2 [303d]
INFO: rcu detected stall in sock_close (5) fs mm tipc	1	syz	error		64	2d14h	307d
INFO: rcu detected stall in linkwatch_event (5) mm net prio:normal	1	syz	error	error	3	140d	328d
INFO: rcu detected stall in exit_to_user_mode_loop mm	1	C	error		508	now	332d	💬 1 [295d]
INFO: rcu detected stall in vm_area_alloc (6) mm	1	syz	error	error	11	27d	355d
INFO: rcu detected stall in vms_gather_munmap_vmas mm	1	syz	error	error	55	41d	370d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4	1	C	error	error	3	136d	373d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm	1	syz	error	error	17	23d	380d
INFO: rcu detected stall in nsim_fib_event_work mm	1	C	error	error	7	130d	383d
INFO: task hung in exit_mmap (2) mm	1	C	done	error	59	29d	390d
kernel BUG in __filemap_add_folio fs mm prio:low	-1	C	done		1953	1d19h	390d	PATCH [153d]
BUG: soft lockup in sys_bpf mm	1	C	error		163	3h09m	392d
INFO: task hung in page_cache_ra_order fs mm prio:low	1	C	done		106	8h23m	392d	💬 1 [392d]
INFO: rcu detected stall in clone (7) mm prio:high	1				103	4d19h	419d
INFO: rcu detected stall in sys_mkdir (9) mm	1	syz	done	error	6	1d22h	480d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	24	2d16h	501d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	20d	527d	💬 6 [436d]
INFO: rcu detected stall in sys_umount (3) mm	1	C	done	error	55	27d	528d	💬 2 [274d]
possible deadlock in balance_pgdat (2) scsi mm	4	C			4	497d	531d	💬 1 [489d]
INFO: rcu detected stall in sys_sendmmsg (7) mm	1				124	1h59m	535d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm prio:high	19	C			75	113d	540d	💬 7 [184d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	7d13h	541d
INFO: rcu detected stall in sys_setsockopt (4) mm prio:high	1	C	done	inconclusive	74	1h41m	541d
INFO: rcu detected stall in security_file_ioctl (9) mm	1	syz	error		133	5d18h	544d
INFO: rcu detected stall in sys_pipe2 (2) mm	1	syz	done	done	118	8d00h	555d
INFO: rcu detected stall in brk (2) mm	1	syz			3	35d	565d	💬 8 [565d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	119	3d03h	567d
INFO: rcu detected stall in sys_readlink (5) kernfs mm	1	syz	done	error	49	11d	579d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	1d11h	580d	💬 1 [580d]
WARNING: ODEBUG bug in __folio_put (2) usb mm	-1	syz			28	293d	581d
INFO: rcu detected stall in sys_mprotect (8) mm	1	syz	done	error	111	5h47m	586d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	83	18d	594d
INFO: rcu detected stall in vhci_release mm	1	syz	done	done	13	90d	599d
INFO: rcu detected stall in shmem_fault (6) mm	1	C			237	1d10h	608d	PATCH [590d]
INFO: rcu detected stall in sys_execve (6) mm	1	C	done	error	77	70d	610d
INFO: rcu detected stall in x64_sys_call mm	1	C	error		550	1d14h	617d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	424d	618d	💬 4 [579d]
kernel BUG in z3fold_page_migrate mm	-1	syz			354	418d	623d
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	117d	625d	💬 1 [121d]
INFO: rcu detected stall in kcov_close mm	1				202	1d08h	646d
kernel panic: System is deadlocked on memory (2) mm prio:high	2				153	10h12m	646d
INFO: rcu detected stall in vm_mmap_pgoff mm prio:normal	1				112	11d	647d	PATCH [590d]
WARNING in drm_mode_create_lease_ioctl mm	-1	C	inconclusive	error	83	10d	692d	PATCH [474d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter	1	syz	error	error	701	36d	718d
WARNING in shmem_evict_inode (3) mm	-1				87	21h25m	725d
INFO: rcu detected stall in sendmsg (4) mm	1	C	error	error	64	18d	726d
INFO: rcu detected stall in sys_sendto (7) mm	1	C	error	error	369	1d08h	728d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	38	146d	738d	💬 5 [680d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	669d	776d	💬 2 [655d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		414	3h14m	782d	💬 10 [329d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	43	163d	819d
BUG: soft lockup in pipe_read mm fs	1	syz			5	469d	846d
INFO: task hung in _vm_unmap_aliases (3) mm	1	C			692	5d00h	861d
INFO: rcu detected stall in sys_recvmmsg (3) mm	1				255	2h06m	883d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		234	4d17h	901d	💬 6 [897d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	636d	918d
INFO: rcu detected stall in sys_unshare (9) mm	1	C	inconclusive	done	142	12h47m	921d	💬 1 [83d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm	10	C			138	678d	958d	PATCH [299d]
kernel BUG in filemap_unaccount_folio mm	-1	C	done	error	492	68d	986d	💬 4 [216d]
INFO: rcu detected stall in sys_openat (3) mm	1	C	error		585	12h20m	990d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm	1	C	error		375	21h28m	1010d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm	6				1004	14h11m	1122d	PATCH [58d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo	1	C	error		531	2d16h	1303d	💬 1 [153d]
memory leak in xas_create mm	3	C			42	8d19h	1411d	PATCH [176d]
WARNING in ext4_dirty_folio mm	-1	C	inconclusive	done	25882	2d03h	1515d	💬 2 [28d]
INFO: task hung in do_read_cache_folio kasan mm block	1	C	error	error	179	1061d	1563d	💬 3 [1049d]
INFO: task can't die in wait_on_page_bit_common fs mm	1	C	done		5	1738d	2090d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1407d	2305d	💬 2 [2199d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign	6	1	9h36m	9h35m
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm	6	1	5d04h	5d04h
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) mm	6	1	11d	11d
KCSAN: data-race in __mmput / copy_mm (3) mm	6	1	12d	12d
KCSAN: data-race in compact_zone / compact_zone (9) mm	6	1	13d	13d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) mm	6	1	17d	17d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) mm	6	1	20d	20d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm	6	1	24d	24d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	30d	26d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:high mm	6	16	5h52m	33d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm	6	23	20h33m	34d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs prio:high	6	2	36d	44d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm	6	2	55d	59d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs	6	3	13d	91d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm prio:high	6	68	2d12h	122d
KCSAN: data-race in copy_mm / copy_page_range (3) mm prio:high	6	8	32d	194d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm	6	24	24d	248d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm	6	19	32d	257d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm prio:high	6	131	35d	388d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm	6	414	34d	389d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm	6	148	2d21h	415d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm	6	151	3d21h	544d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:high	6	562	1d03h	546d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs	6	936	12h01m	547d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm	6	115	9d02h	580d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:high	6	207	3d14h	684d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm	6	210	8d20h	684d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:high	6	152	7d12h	686d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs	6	859	2d03h	743d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:high	6	89	43d	769d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm	6	205	7d04h	772d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm	6	173	9d09h	892d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm	6	2657	3h02m	893d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:high	6	962	25d	1594d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm	6	1882	22h08m	1617d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm	6	5313	2h18m	1788d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:high	6	1662	2d10h	2063d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:high	6	4152	14h40m	2352d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:high	6	2539	12h21m	2358d
corrupted report (2) hfs kasan mm	-1	1112361	now	2961d