syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (95)
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	error		2755	16m	16h54m
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal	19				1	7d06h	19h22m
upstream test error: WARNING in call_timer_fn mm prio:high	-1				1	7d21h	3d20h	💬 1 [3d19h]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low	-1				4	6d15h	6d18h	💬 2 [6d11h]
WARNING in swap_cluster_assert_empty mm prio:low	-1				1	12d	8d05h	PATCH [6d19h]
possible deadlock in page_cache_ra_order mm fs prio:high	4				5	14d	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	5d22h	13d
WARNING in alloc_frozen_pages_noprof (2) mm prio:high	-1	C			3	5d07h	15d	PATCH [13d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	6d11h	20d
WARNING in folio_lruvec_relock_irqsave mm prio:high	-1				1	25d	21d
possible deadlock in hugetlbfs_fallocate fs mm prio:low	4				2	22d	24d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				8	14d	29d	💬 1 [28d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	11d	29d	PATCH [27d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	42d	38d	💬 3 [37d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high mm arch	5				3	40d	41d	💬 2 [9d00h]
WARNING in __page_cache_release mm prio:low	-1				1	45d	41d
BUG: sleeping function called from invalid context in shmem_undo_range mm prio:high	5				1	48d	47d	💬 2 [47d]
BUG: sleeping function called from invalid context in tlb_flush_mmu prio:high arch mm	5				1	48d	47d
BUG: sleeping function called from invalid context in __zap_vma_range mm prio:high	5				4	28d	50d	💬 2 [49d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm prio:low	6				58	5h05m	54d	💬 5 [47d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	47d	55d	PATCH [5d16h]
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		16872	now	72d	PATCH [46d]
general protection fault in zap_huge_pmd mm prio:high	2	C			7	82d	84d	💬 9 [83d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm	7				16	8d15h	86d	💬 3 [86d]
possible deadlock in mfill_get_vma prio:low mm	4	C			290	33d	86d	PATCH [86d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	60d	93d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		125	1d01h	99d
possible deadlock in lock_mm_and_find_vma (4) mm prio:low	4				2009	5h11m	104d	💬 2 [49d]
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	5d15h	111d	PATCH [1d13h]
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	122d	120d	💬 28 [36d]
BUG: Bad rss-counter state (6) mm prio:high	-1				107	9h33m	122d
kernel BUG in page_table_check_set (2) prio:low mm	-1				689	9d08h	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	136d	134d
INFO: rcu detected stall in __mmap_complete mm prio:normal	1	syz	error	error	7	122d	156d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		33	1d23h	170d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				49	18d	173d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	141d	177d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			6	36d	184d	PATCH [2d07h]
WARNING in sched_mm_cid_fork fs mm prio:low	-1	C	error	error	332	127d	189d	PATCH [168d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm prio:low	1	C	error		12	3d12h	195d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1	C			11	8d19h	208d	PATCH [9d07h]
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	7d07h	231d
INFO: task hung in migrate_pages_batch (4) mm prio:high	1				144	9h59m	239d
WARNING in path_noexec (2) fs mm prio:low	-1	C	error		26913	10h11m	252d	PATCH [242d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high	-1	C			7	102d	268d	PATCH [258d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	21d	283d
INFO: task hung in writeback_iter (3) fs mm prio:high	1	C	error	error	18	59d	286d	PATCH [140d]
WARNING in __alloc_skb (4) mm	-1	C			8	89d	286d	PATCH [262d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	15d	287d	💬 1 [286d]
INFO: rcu detected stall in sys_munmap (2) mm prio:low	1	C	error	error	44	4d11h	292d	💬 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			3778	5h30m	314d	💬 1 [18d]
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	3d22h	325d	💬 2 [324d]
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	1d16h	354d	💬 1 [316d]
INFO: rcu detected stall in vm_area_alloc (6) mm prio:normal	1	syz	error	error	13	17d	376d
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	157d	394d
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	50d	411d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1980	1d07h	411d	PATCH [174d]
BUG: soft lockup in sys_bpf mm prio:low	1	C	error		172	2h18m	413d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		110	2d21h	413d	💬 1 [413d]
INFO: rcu detected stall in clone (7) prio:high mm	1				107	2d21h	440d
INFO: rcu detected stall in sys_mkdir (9) mm prio:high	1	syz	done	error	6	22d	501d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	26	9d18h	522d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	41d	548d	💬 6 [457d]
INFO: rcu detected stall in sys_umount (3) mm prio:low	1	C	done	error	55	48d	549d	💬 2 [295d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	518d	552d	💬 1 [510d]
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			75	134d	561d	💬 7 [205d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	28d	562d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	81	3h24m	562d
INFO: rcu detected stall in security_file_ioctl (9) mm prio:normal	1	syz	error		143	2d11h	565d
INFO: rcu detected stall in sys_pipe2 (2) mm prio:low	1	syz	done	done	122	7d01h	577d
INFO: rcu detected stall in brk (2) mm prio:high	1	syz			3	56d	586d	💬 8 [586d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	121	6d05h	588d
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal	1	syz	done	error	49	32d	600d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	22d	602d	💬 1 [601d]
WARNING: ODEBUG bug in __folio_put (2) usb mm prio:high	-1	syz			28	314d	603d
INFO: rcu detected stall in sys_mprotect (8) mm prio:normal	1	syz	done	error	114	10d	607d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	87	7d03h	615d
INFO: rcu detected stall in vhci_release mm prio:high	1	syz	done	done	14	19d	620d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			243	5d02h	629d	PATCH [611d]
INFO: rcu detected stall in sys_execve (6) mm prio:normal	1	C	done	error	82	7d05h	631d
INFO: rcu detected stall in x64_sys_call mm prio:low	1	C	error		561	4d17h	638d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	445d	639d	💬 4 [600d]
kernel BUG in z3fold_page_migrate mm	-1	syz			354	439d	644d
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	138d	646d	💬 1 [142d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				212	3d15h	667d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				161	10m	667d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1				113	5d09h	668d	PATCH [611d]
WARNING in drm_mode_create_lease_ioctl mm prio:low	-1	C	inconclusive	error	86	8d09h	713d	PATCH [495d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter prio:normal	1	syz	error	error	702	15d	739d
WARNING in shmem_evict_inode (3) mm prio:normal	-1				90	6d05h	746d
INFO: rcu detected stall in sendmsg (4) mm prio:high	1	C	error	error	64	39d	747d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	379	8h45m	749d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	39	18d	759d	💬 5 [701d]
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	21h52m	803d	💬 10 [350d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	45	2d20h	840d
BUG: soft lockup in pipe_read fs mm	1	syz			5	490d	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		243	6h43m	923d	💬 6 [918d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	657d	939d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs	1	C	inconclusive	done	152	1d15h	942d	💬 1 [18d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm prio:low	10	C			138	699d	979d	PATCH [320d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	492	89d	1007d	💬 4 [237d]
INFO: rcu detected stall in sys_openat (3) mm prio:low	1	C	error		597	1h28m	1011d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		383	1d17h	1031d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm prio:low	6				1029	1d16h	1143d	PATCH [79d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo prio:high	1	C	error		545	1d05h	1324d	💬 1 [174d]
memory leak in xas_create mm prio:high	3	C			48	2d08h	1432d	PATCH [197d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25900	2d05h	1537d	💬 2 [18d]
INFO: task hung in do_read_cache_folio block kasan mm	1	C	error	error	179	1082d	1584d	💬 3 [1070d]
INFO: task can't die in wait_on_page_bit_common mm fs	1	C	done		5	1759d	2111d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1428d	2326d	💬 2 [2220d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign	6	1	1d04h	1d04h
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign	6	1	2d22h	2d22h
BUG: soft lockup in pid_child_should_wake mm prio:low	1	1	12d	8d20h
KCSAN: data-race in copy_process / show_stat (5) mm race:benign prio:low	6	1	12d	12d
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	20d	20d
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign prio:low	6	1	21d	21d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm race:benign prio:low	6	1	26d	26d
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	33d	33d
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	38d	38d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	2	16d	41d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:low	6	2	14d	46d
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	23	7h50m	54d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm prio:low	6	36	1d09h	55d
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	23h57m	143d
KCSAN: data-race in copy_mm / copy_page_range (3) mm prio:low	6	9	19d	215d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm prio:low	6	27	4d04h	269d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm prio:high	6	19	53d	278d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm prio:low	6	149	6d05h	436d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm prio:low	6	155	5d17h	565d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:low	6	593	2h10m	567d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs prio:low	6	943	15h58m	568d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm prio:low	6	119	7d00h	601d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:low	6	212	11h20m	705d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm prio:low	6	211	13d	705d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:low	6	155	15h16m	707d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm prio:low	6	862	1d04h	764d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:low	6	92	6d14h	790d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm prio:low	6	208	10d	793d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm prio:low	6	2749	2h13m	914d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:low	6	964	7d23h	1615d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm prio:low	6	1917	2h11m	1638d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm prio:high	6	5364	2h22m	1809d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:low	6	1667	2d05h	2084d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:low	6	4156	2d14h	2373d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:low	6	2554	13h59m	2379d