syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (101)
Child subsystems: damon (0)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	1h08m	1h07m
WARNING in folio_lruvec_relock_irqsave mm	-1				1	5d05h	1d05h
possible deadlock in hugetlbfs_fallocate fs mm	4				2	1d17h	3d17h
possible deadlock in gup_fast_fallback (3) mm	4				7	6d15h	8d16h	💬 1 [7d17h]
possible deadlock in hugetlb_vma_lock_write mm	4				1	12d	8d19h	PATCH [6d22h]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	21d	17d	💬 3 [16d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages mm arch	5				3	20d	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	27d	💬 2 [26d]
BUG: sleeping function called from invalid context in tlb_flush_mmu arch mm prio:high	5				1	27d	27d
BUG: sleeping function called from invalid context in __zap_vma_range mm	5				4	7d22h	30d	💬 2 [29d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm	6				38	1d10h	33d	💬 5 [27d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	27d	34d	PATCH [11d]
INFO: rcu detected stall in kcov_ioctl (3) mm prio:high	1				30	46d	42d	💬 1 [42d]
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		9679	6m	51d	PATCH [26d]
general protection fault in zap_huge_pmd mm	2	C			7	62d	63d	💬 9 [62d]
KMSAN: uninit-value in copy_from_kernel_nofault mm	7				12	8h16m	65d	💬 3 [65d]
possible deadlock in mfill_get_vma mm	4	C			290	12d	66d	PATCH [66d]
WARNING: suspicious RCU usage in usb_tx_block mm	4				4	39d	73d
INFO: rcu detected stall in __dentry_kill mm prio:high	1				111	5h12m	78d
possible deadlock in lock_mm_and_find_vma (4) mm	4				1628	1h03m	83d	💬 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	90d	86d
WARNING in __put_task_struct (6) mm	-1				5	39d	86d
kernel BUG in __page_table_check_zero (3) mm	-1				256	23d	91d
INFO: rcu detected stall in sendfile64 mm	1				37	23d	95d
kernel BUG in __khugepaged_enter mm	-1				5	98d	95d	💬 4 [92d]
KASAN: slab-use-after-free Read in mas_walk mm prio:high	19	C			1	98d	97d	💬 6 [96d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat	3	syz			1	101d	100d	💬 28 [16d]
BUG: Bad rss-counter state (6) mm	-1				101	6d23h	102d
kernel BUG in page_table_check_set (2) mm prio:low	-1				643	3d12h	104d	💬 1 [102d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm prio:low	1	syz	error	error	2	30d	114d
INFO: rcu detected stall in schedule_tail (8) mm	1	C	error	error	1	115d	114d
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	136d
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm	1	C	error		24	2d13h	150d
INFO: rcu detected stall in sys_io_uring_enter (3) mm	1				47	7d13h	152d
INFO: rcu detected stall in finish_dput mm prio:low	1	C	error	error	138	121d	157d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm prio:high	5	syz			6	16d	163d	PATCH [18d]
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	54d	174d
WARNING in __page_table_check_ptes_set (3) mm prio:low	-1				6	60d	188d
general protection fault in __rt_mutex_slowlock_locked mm	2				24	37d	190d
INFO: rcu detected stall in sys_symlink (6) mm prio:high	1	C	error	inconclusive	6	11d	205d
INFO: rcu detected stall in shmem_file_write_iter (3) mm	1	C			79	3d18h	211d
INFO: task hung in migrate_pages_batch (4) mm	1				120	40d	218d
WARNING in path_noexec (2) fs mm	-1	C	error		25968	9m	232d	PATCH [222d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm	-1	C			7	81d	247d	PATCH [238d]
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	15h40m	263d
INFO: task hung in writeback_iter (3) mm fs	1	C	error	error	18	38d	265d	PATCH [120d]
WARNING in __alloc_skb (4) mm	-1	C			8	68d	266d	PATCH [242d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		33	4d08h	266d	💬 1 [266d]
INFO: rcu detected stall in sys_munmap (2) mm	1	C	error	error	43	23d	272d	💬 7 [152d]
KASAN: slab-use-after-free Read in lru_add (2) mm	19	C	error		12	11d	289d
WARNING in trace_suspend_resume mm prio:high	-1	C			3542	12h26m	293d	💬 1 [49d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm	1	C	error	error	7	2d15h	296d
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	3d04h	308d
INFO: rcu detected stall in linkwatch_event (5) mm net prio:normal	1	syz	error	error	3	141d	329d
INFO: rcu detected stall in exit_to_user_mode_loop mm	1	C	error		509	13h45m	333d	💬 1 [296d]
INFO: rcu detected stall in vm_area_alloc (6) mm	1	syz	error	error	12	1h14m	355d
INFO: rcu detected stall in vms_gather_munmap_vmas mm	1	syz	error	error	55	41d	371d
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	24d	381d
INFO: rcu detected stall in nsim_fib_event_work mm	1	C	error	error	7	130d	384d
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		1954	11h53m	391d	PATCH [154d]
BUG: soft lockup in sys_bpf mm	1	C	error		163	17h17m	392d
INFO: task hung in page_cache_ra_order fs mm prio:low	1	C	done		106	22h31m	393d	💬 1 [392d]
INFO: rcu detected stall in clone (7) mm prio:high	1				103	5d09h	420d
INFO: rcu detected stall in sys_mkdir (9) mm	1	syz	done	error	6	2d13h	481d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	25	10h47m	502d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	20d	527d	💬 6 [437d]
INFO: rcu detected stall in sys_umount (3) mm	1	C	done	error	55	28d	528d	💬 2 [275d]
possible deadlock in balance_pgdat (2) scsi mm	4	C			4	498d	532d	💬 1 [489d]
INFO: rcu detected stall in sys_sendmmsg (7) mm	1				124	16h07m	536d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm prio:high	19	C			75	113d	541d	💬 7 [184d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	8d04h	541d
INFO: rcu detected stall in sys_setsockopt (4) mm prio:high	1	C	done	inconclusive	74	15h48m	541d
INFO: rcu detected stall in security_file_ioctl (9) mm	1	syz	error		133	6d08h	545d
INFO: rcu detected stall in sys_pipe2 (2) mm	1	syz	done	done	118	8d14h	556d
INFO: rcu detected stall in brk (2) mm	1	syz			3	36d	566d	💬 8 [565d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	119	3d17h	568d
INFO: rcu detected stall in sys_readlink (5) kernfs mm	1	syz	done	error	49	12d	579d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	2d01h	581d	💬 1 [580d]
WARNING: ODEBUG bug in __folio_put (2) usb mm	-1	syz			28	294d	582d
INFO: rcu detected stall in sys_mprotect (8) mm	1	syz	done	error	111	19h54m	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	91d	599d
INFO: rcu detected stall in shmem_fault (6) mm	1	C			237	2d00h	608d	PATCH [590d]
INFO: rcu detected stall in sys_execve (6) mm	1	C	done	error	77	71d	610d
INFO: rcu detected stall in x64_sys_call mm	1	C	error		550	2d04h	618d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	425d	619d	💬 4 [579d]
kernel BUG in z3fold_page_migrate mm	-1	syz			354	418d	624d
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	118d	626d	💬 1 [121d]
INFO: rcu detected stall in kcov_close mm	1				204	1h08m	646d
kernel panic: System is deadlocked on memory (2) mm prio:high	2				153	1d00h	646d
INFO: rcu detected stall in vm_mmap_pgoff mm prio:normal	1				112	12d	647d	PATCH [590d]
WARNING in drm_mode_create_lease_ioctl mm	-1	C	inconclusive	error	83	10d	693d	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	1d11h	726d
INFO: rcu detected stall in sendmsg (4) mm	1	C	error	error	64	19d	726d
INFO: rcu detected stall in sys_sendto (7) mm	1	C	error	error	369	1d22h	729d
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	670d	777d	💬 2 [656d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		414	17h21m	783d	💬 10 [329d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	43	164d	820d
BUG: soft lockup in pipe_read mm fs	1	syz			5	469d	847d
INFO: task hung in _vm_unmap_aliases (3) mm	1	C			692	5d14h	862d
INFO: rcu detected stall in sys_recvmmsg (3) mm	1				255	16h13m	883d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		234	5d07h	902d	💬 6 [898d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	637d	919d
INFO: rcu detected stall in sys_unshare (9) mm	1	C	inconclusive	done	142	1d02h	922d	💬 1 [83d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm	10	C			138	678d	959d	PATCH [299d]
kernel BUG in filemap_unaccount_folio mm	-1	C	done	error	492	68d	987d	💬 4 [216d]
INFO: rcu detected stall in sys_openat (3) mm	1	C	error		586	3h21m	990d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm	1	C	error		375	1d11h	1011d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm	6				1004	1d04h	1122d	PATCH [58d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo	1	C	error		531	3d06h	1304d	💬 1 [153d]
memory leak in xas_create mm	3	C			42	9d09h	1411d	PATCH [177d]
WARNING in ext4_dirty_folio mm	-1	C	inconclusive	done	25882	2d17h	1516d	💬 2 [28d]
INFO: task hung in do_read_cache_folio kasan mm block	1	C	error	error	179	1062d	1563d	💬 3 [1049d]
INFO: task can't die in wait_on_page_bit_common fs mm	1	C	done		5	1738d	2091d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1408d	2305d	💬 2 [2199d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign	6	1	23h44m	23h43m
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm	6	1	5d18h	5d18h
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) mm	6	1	12d	12d
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	14d	14d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) mm	6	1	18d	18d
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	25d	25d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	31d	27d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:high mm	6	16	20h00m	33d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm	6	24	13h46m	34d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs prio:high	6	2	36d	45d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm	6	2	55d	60d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs	6	3	14d	92d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm prio:high	6	68	3d02h	123d
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	25d	248d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm	6	19	33d	257d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm prio:high	6	131	35d	389d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm	6	414	35d	390d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm	6	148	3d11h	415d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm	6	151	4d11h	545d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:high	6	563	12h47m	546d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs	6	936	1d02h	548d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm	6	115	9d16h	581d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:high	6	207	4d04h	684d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm	6	210	9d10h	685d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:high	6	152	8d02h	686d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs	6	859	2d17h	743d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:high	6	89	43d	770d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm	6	205	7d18h	773d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm	6	173	9d23h	893d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm prio:high	6	2663	2h04m	894d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:high	6	962	26d	1595d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm	6	1882	1d12h	1618d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm	6	5315	3h19m	1789d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:high	6	1662	3d00h	2063d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:high	6	4152	1d04h	2353d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:high	6	2539	1d02h	2359d
corrupted report (2) hfs kasan mm	-1	1112612	now	2961d