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
WARNING in hrtick_start_fair cgroups mm prio:high	-1	C			1963	now	3h05m
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal	19				1	6d17h	5h32m
upstream test error: WARNING in call_timer_fn mm prio:high	-1				1	7d07h	3d07h	💬 1 [3d06h]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low	-1				4	6d01h	6d04h	💬 2 [5d21h]
WARNING in swap_cluster_assert_empty mm prio:low	-1				1	11d	7d15h	PATCH [6d05h]
possible deadlock in page_cache_ra_order mm fs prio:high	4				5	13d	10d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) mm race:harmful prio:low	6				1	14d	11d
INFO: rcu detected stall in clone3 (6) cgroups mm prio:high	1				32	5d09h	13d
WARNING in alloc_frozen_pages_noprof (2) mm prio:high	-1	C			3	4d17h	14d	PATCH [12d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	5d21h	19d
WARNING in folio_lruvec_relock_irqsave mm prio:high	-1				1	25d	21d
possible deadlock in hugetlbfs_fallocate fs mm prio:low	4				2	21d	23d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				8	13d	28d	💬 1 [27d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	11d	28d	PATCH [26d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	41d	37d	💬 3 [36d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high mm arch	5				3	40d	40d	💬 2 [8d11h]
WARNING in __page_cache_release mm prio:low	-1				1	44d	40d
BUG: sleeping function called from invalid context in shmem_undo_range mm prio:high	5				1	47d	47d	💬 2 [46d]
BUG: sleeping function called from invalid context in tlb_flush_mmu prio:high arch mm	5				1	47d	47d
BUG: sleeping function called from invalid context in __zap_vma_range mm prio:high	5				4	27d	50d	💬 2 [49d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm prio:low	6				57	11h38m	53d	💬 5 [47d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	47d	54d	PATCH [5d02h]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				30	66d	62d	💬 1 [62d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) jfs mm prio:high	19	C	error		16712	6m	71d	PATCH [46d]
general protection fault in zap_huge_pmd mm prio:high	2	C			7	81d	83d	💬 9 [82d]
KMSAN: uninit-value in copy_from_kernel_nofault mm prio:high	7				16	8d01h	85d	💬 3 [85d]
possible deadlock in mfill_get_vma prio:low mm	4	C			290	32d	86d	PATCH [85d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	59d	93d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		125	11h55m	98d
possible deadlock in lock_mm_and_find_vma (4) mm prio:low	4				2002	1h24m	103d	💬 2 [48d]
WARNING in __put_task_struct (6) mm prio:high	-1				5	59d	106d
kernel BUG in __page_table_check_zero (3) mm prio:high	-1				265	5d01h	111d	PATCH [23h46m]
INFO: rcu detected stall in sendfile64 mm prio:high	1				37	43d	115d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	121d	120d	💬 28 [36d]
BUG: Bad rss-counter state (6) mm prio:high	-1				106	2d20h	122d
kernel BUG in page_table_check_set (2) prio:low mm	-1				689	8d18h	124d	💬 1 [122d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf	1	syz	error	error	2	50d	134d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	135d	134d
INFO: rcu detected stall in __mmap_complete mm prio:normal	1	syz	error	error	7	121d	156d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		33	1d09h	169d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				49	18d	172d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	141d	176d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			6	36d	183d	PATCH [1d17h]
WARNING in sched_mm_cid_fork fs mm prio:low	-1	C	error	error	332	126d	188d	PATCH [167d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm prio:low	1	C	error		12	2d22h	194d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1	C			11	8d05h	208d	PATCH [8d17h]
general protection fault in __rt_mutex_slowlock_locked mm prio:high	2				24	57d	210d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	31d	225d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm	1	C			83	6d17h	230d
INFO: task hung in migrate_pages_batch (4) mm prio:high	1				142	6h31m	238d
WARNING in path_noexec (2) fs mm prio:low	-1	C	error		26892	16m	252d	PATCH [242d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high	-1	C			7	101d	267d	PATCH [258d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	20d	282d
INFO: task hung in writeback_iter (3) fs mm prio:high	1	C	error	error	18	58d	285d	PATCH [139d]
WARNING in __alloc_skb (4) mm	-1	C			8	88d	286d	PATCH [262d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	15d	286d	💬 1 [286d]
INFO: rcu detected stall in sys_munmap (2) mm prio:low	1	C	error	error	44	3d21h	291d	💬 7 [172d]
KASAN: slab-use-after-free Read in lru_add (2) gfs2 mm prio:high	19	C	error		12	31d	309d
WARNING in trace_suspend_resume prio:high mm	-1	C			3777	1d00h	313d	💬 1 [17d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	8	19d	316d
INFO: rcu detected stall in devtmpfsd (3) mm prio:low	1	C	error	inconclusive	5	3d08h	324d	💬 2 [323d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	161d	349d
INFO: rcu detected stall in exit_to_user_mode_loop mm prio:low	1	C	error		537	1d02h	353d	💬 1 [315d]
INFO: rcu detected stall in vm_area_alloc (6) mm prio:normal	1	syz	error	error	13	16d	375d
INFO: rcu detected stall in vms_gather_munmap_vmas mm prio:normal	1	syz	error	error	56	11d	391d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm	1	C	error	error	3	156d	393d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm prio:normal	1	syz	error	error	17	44d	401d
INFO: rcu detected stall in nsim_fib_event_work mm prio:high	1	C	error	error	8	16d	404d
INFO: task hung in exit_mmap (2) mm prio:low	1	C	done	error	59	49d	410d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1980	17h24m	411d	PATCH [173d]
BUG: soft lockup in sys_bpf mm prio:low	1	C	error		170	12h30m	412d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		110	2d07h	413d	💬 1 [412d]
INFO: rcu detected stall in clone (7) prio:high mm	1				107	2d07h	439d
INFO: rcu detected stall in sys_mkdir (9) mm prio:high	1	syz	done	error	6	22d	500d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	26	9d04h	521d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	40d	547d	💬 6 [456d]
INFO: rcu detected stall in sys_umount (3) mm prio:low	1	C	done	error	55	48d	548d	💬 2 [295d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	518d	552d	💬 1 [509d]
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			75	133d	560d	💬 7 [204d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	28d	561d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	80	11d	561d
INFO: rcu detected stall in security_file_ioctl (9) mm prio:normal	1	syz	error		143	1d21h	565d
INFO: rcu detected stall in sys_pipe2 (2) mm prio:low	1	syz	done	done	122	6d11h	576d
INFO: rcu detected stall in brk (2) mm prio:high	1	syz			3	55d	586d	💬 8 [585d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	121	5d15h	587d
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal	1	syz	done	error	49	32d	599d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	21d	601d	💬 1 [600d]
WARNING: ODEBUG bug in __folio_put (2) usb mm prio:high	-1	syz			28	314d	602d
INFO: rcu detected stall in sys_mprotect (8) mm prio:normal	1	syz	done	error	114	9d18h	606d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	87	6d13h	614d
INFO: rcu detected stall in vhci_release mm prio:high	1	syz	done	done	14	19d	619d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			243	4d12h	628d	PATCH [610d]
INFO: rcu detected stall in sys_execve (6) mm prio:normal	1	C	done	error	82	6d15h	630d
INFO: rcu detected stall in x64_sys_call mm prio:low	1	C	error		561	4d04h	638d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	445d	639d	💬 4 [599d]
kernel BUG in z3fold_page_migrate mm	-1	syz			354	438d	644d
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	138d	646d	💬 1 [141d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				212	3d02h	666d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				160	8d03h	666d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1				113	4d19h	667d	PATCH [610d]
WARNING in drm_mode_create_lease_ioctl mm prio:low	-1	C	inconclusive	error	86	7d20h	713d	PATCH [494d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter prio:normal	1	syz	error	error	702	15d	738d
WARNING in shmem_evict_inode (3) mm prio:normal	-1				90	5d15h	746d
INFO: rcu detected stall in sendmsg (4) mm prio:high	1	C	error	error	64	39d	746d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	377	5h26m	749d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	39	18d	758d	💬 5 [700d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	690d	797d	💬 2 [676d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		429	8h03m	803d	💬 10 [349d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	45	2d06h	840d
BUG: soft lockup in pipe_read fs mm	1	syz			5	489d	867d
INFO: task hung in _vm_unmap_aliases (3) mm prio:low	1	C			693	13d	882d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		242	2d13h	922d	💬 6 [918d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	656d	939d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs	1	C	inconclusive	done	152	1d01h	942d	💬 1 [17d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm prio:low	10	C			138	698d	979d	PATCH [319d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	492	88d	1007d	💬 4 [236d]
INFO: rcu detected stall in sys_openat (3) mm prio:low	1	C	error		596	3d01h	1010d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		383	1d03h	1031d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm prio:low	6				1029	1d02h	1142d	PATCH [78d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo prio:high	1	C	error		545	15h20m	1324d	💬 1 [173d]
memory leak in xas_create mm prio:high	3	C			48	1d18h	1431d	PATCH [197d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25900	1d15h	1536d	💬 2 [17d]
INFO: task hung in do_read_cache_folio block kasan mm	1	C	error	error	179	1082d	1583d	💬 3 [1069d]
INFO: task can't die in wait_on_page_bit_common mm fs	1	C	done		5	1758d	2111d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1428d	2325d	💬 2 [2219d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign	6	1	14h46m	14h45m
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign	6	1	2d09h	2d09h
BUG: soft lockup in pid_child_should_wake mm prio:low	1	1	12d	8d06h
KCSAN: data-race in copy_process / show_stat (5) mm race:benign prio:low	6	1	11d	11d
WARNING in do_mmap fs mm prio:low	-1	1	19d	15d
KCSAN: data-race in filemap_fault / filemap_read_folio mm race:benign prio:low	6	1	19d	19d
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign prio:low	6	1	20d	20d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm race:benign prio:low	6	1	25d	25d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm	6	1	32d	32d
KCSAN: data-race in __mmput / copy_mm (3) prio:low mm	6	1	32d	32d
KCSAN: data-race in compact_zone / compact_zone (9) prio:low mm	6	1	34d	34d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm	6	1	37d	37d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	2	15d	40d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:low	6	2	13d	45d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	51d	47d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm prio:low	6	22	2d12h	53d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm prio:low	6	36	19h51m	54d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs prio:low	6	3	34d	112d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm prio:low	6	83	10h08m	143d
KCSAN: data-race in copy_mm / copy_page_range (3) mm prio:low	6	9	19d	214d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm prio:low	6	27	3d15h	268d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm prio:high	6	19	53d	277d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm prio:low	6	149	5d16h	435d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm prio:low	6	155	5d03h	564d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:low	6	592	8h03m	566d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs prio:low	6	943	2h09m	568d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm prio:low	6	119	6d10h	600d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:low	6	211	5d22h	704d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm prio:low	6	211	12d	705d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:low	6	155	1h26m	706d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm prio:low	6	862	14h24m	763d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:low	6	92	6d01h	789d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm prio:low	6	208	9d19h	793d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm prio:low	6	2747	18m	914d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:low	6	964	7d10h	1615d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm prio:low	6	1916	8h23m	1638d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm prio:high	6	5362	24m	1809d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:low	6	1667	1d15h	2083d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:low	6	4156	2d00h	2373d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:low	6	2554	10m	2378d