syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (98)
Child subsystems: damon (0)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
WARNING in alloc_frozen_pages_noprof (2) mm prio:high	-1	C			1	2d04h	1d02h	PATCH [22h55m]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	6d00h	6d00h
WARNING in folio_lruvec_relock_irqsave mm	-1				1	11d	7d05h
possible deadlock in hugetlbfs_fallocate fs mm	4				2	7d17h	9d17h
possible deadlock in gup_fast_fallback (3) mm	4				7	12d	14d	💬 1 [13d]
possible deadlock in hugetlb_vma_lock_write mm	4				1	18d	14d	PATCH [12d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	27d	23d	💬 3 [22d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high mm arch	5				3	26d	26d
WARNING in __page_cache_release mm	-1				1	30d	26d
BUG: sleeping function called from invalid context in shmem_undo_range mm prio:high	5				1	33d	33d	💬 2 [32d]
BUG: sleeping function called from invalid context in tlb_flush_mmu prio:high arch mm	5				1	33d	33d
BUG: sleeping function called from invalid context in __zap_vma_range mm prio:high	5				4	13d	36d	💬 2 [35d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm	6				42	1d19h	39d	💬 5 [33d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	33d	40d	PATCH [17d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				30	52d	48d	💬 1 [48d]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm prio:high	19				8	55d	56d	💬 3 [56d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) jfs mm prio:high	19	C	error		11611	10m	57d	PATCH [32d]
general protection fault in zap_huge_pmd mm	2	C			7	68d	69d	💬 9 [68d]
KMSAN: uninit-value in copy_from_kernel_nofault mm prio:high	7				14	2d06h	71d	💬 3 [71d]
possible deadlock in mfill_get_vma mm	4	C			290	18d	72d	PATCH [72d]
WARNING: suspicious RCU usage in usb_tx_block mm prio:high	4				4	45d	79d
INFO: rcu detected stall in __dentry_kill prio:high mm	1				117	2h13m	84d
possible deadlock in lock_mm_and_find_vma (4) mm prio:low	4				1763	46m	89d	💬 2 [34d]
INFO: rcu detected stall in sys_rename (8) mm prio:low	1	syz			10	95d	91d
WARNING in __kfence_free (4) mm kasan	-1				1	96d	92d
WARNING in __put_task_struct (6) mm	-1				5	45d	92d
kernel BUG in __page_table_check_zero (3) mm prio:high	-1				261	21h04m	97d
INFO: rcu detected stall in sendfile64 mm prio:high	1				37	29d	101d
memory leak in __kfree_rcu_sheaf mm f2fs exfat	3	syz			1	107d	106d	💬 28 [22d]
BUG: Bad rss-counter state (6) mm	-1				103	1d19h	108d
kernel BUG in page_table_check_set (2) mm prio:low	-1				670	21h03m	110d	💬 1 [108d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf	1	syz	error	error	2	36d	120d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	121d	120d
WARNING in unlink_anon_vmas (2) mm prio:high	-1	C	error		30	64d	128d	PATCH [128d]
INFO: rcu detected stall in __mmap_complete mm prio:normal	1	syz	error	error	7	107d	142d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		26	1d20h	156d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				49	4d05h	158d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	127d	163d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm prio:high	5	syz			6	22d	169d	PATCH [24d]
WARNING in sched_mm_cid_fork fs mm	-1	C	error	error	332	112d	174d	PATCH [153d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm	1	C	error		10	60d	180d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1				6	66d	194d
general protection fault in __rt_mutex_slowlock_locked mm prio:high	2				24	43d	196d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	17d	211d
INFO: rcu detected stall in shmem_file_write_iter (3) mm prio:low	1	C			82	1d04h	217d
INFO: task hung in migrate_pages_batch (4) mm	1				120	46d	224d
WARNING in path_noexec (2) fs mm prio:low	-1	C	error		26428	4h10m	238d	PATCH [228d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high	-1	C			7	87d	253d	PATCH [244d]
KMSAN: uninit-value in __run_timer_base (2) mm	22				13	86d	258d	PATCH [255d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	6d15h	269d
INFO: task hung in writeback_iter (3) fs mm	1	C	error	error	18	44d	271d	PATCH [126d]
WARNING in __alloc_skb (4) mm	-1	C			8	74d	272d	PATCH [248d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	1d05h	272d	💬 1 [272d]
INFO: rcu detected stall in sys_munmap (2) mm prio:low	1	C	error	error	43	29d	278d	💬 7 [158d]
KASAN: slab-use-after-free Read in lru_add (2) gfs2 mm	19	C	error		12	17d	295d
WARNING in trace_suspend_resume prio:high mm	-1	C			3742	11h34m	299d	💬 1 [3d16h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	8	5d09h	302d
INFO: rcu detected stall in devtmpfsd (3) mm	1	C	error	inconclusive	4	126d	310d	💬 2 [309d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	147d	335d
INFO: rcu detected stall in exit_to_user_mode_loop mm prio:low	1	C	error		517	6h06m	339d	💬 1 [302d]
INFO: rcu detected stall in vm_area_alloc (6) mm prio:normal	1	syz	error	error	13	3d01h	361d
INFO: rcu detected stall in vms_gather_munmap_vmas mm prio:normal	1	syz	error	error	55	47d	377d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm	1	C	error	error	3	142d	379d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm prio:normal	1	syz	error	error	17	30d	387d
INFO: rcu detected stall in nsim_fib_event_work mm prio:high	1	C	error	error	8	2d05h	390d
INFO: task hung in exit_mmap (2) mm	1	C	done	error	59	35d	396d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1963	13h39m	397d	PATCH [160d]
BUG: soft lockup in sys_bpf mm prio:low	1	C	error		167	2h38m	398d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		106	6d22h	399d	💬 1 [398d]
INFO: rcu detected stall in clone (7) prio:high mm	1				103	11d	426d
INFO: rcu detected stall in sys_mkdir (9) mm prio:high	1	syz	done	error	6	8d12h	487d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	25	6d10h	508d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	26d	533d	💬 6 [443d]
INFO: rcu detected stall in sys_umount (3) mm prio:low	1	C	done	error	55	34d	534d	💬 2 [281d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	504d	538d	💬 1 [495d]
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			75	119d	547d	💬 7 [190d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	14d	547d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	79	1d18h	547d
INFO: rcu detected stall in security_file_ioctl (9) mm prio:normal	1	syz	error		135	2d21h	551d
INFO: rcu detected stall in sys_pipe2 (2) mm	1	syz	done	done	120	1d06h	562d
INFO: rcu detected stall in brk (2) mm	1	syz			3	41d	572d	💬 8 [571d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	120	14h34m	574d
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal	1	syz	done	error	49	18d	585d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	8d01h	587d	💬 1 [586d]
WARNING: ODEBUG bug in __folio_put (2) usb mm prio:high	-1	syz			28	300d	588d
INFO: rcu detected stall in sys_mprotect (8) mm	1	syz	done	error	113	3d11h	592d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	84	4d18h	600d
INFO: rcu detected stall in vhci_release mm prio:high	1	syz	done	done	14	5d04h	605d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			239	1d03h	614d	PATCH [596d]
INFO: rcu detected stall in sys_execve (6) mm prio:normal	1	C	done	error	81	1d06h	616d
INFO: rcu detected stall in x64_sys_call mm prio:low	1	C	error		553	13h56m	624d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	431d	625d	💬 4 [585d]
kernel BUG in z3fold_page_migrate mm	-1	syz			354	424d	630d
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	124d	632d	💬 1 [127d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				205	5d02h	652d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				157	22h56m	652d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1				112	18d	653d	PATCH [596d]
WARNING in drm_mode_create_lease_ioctl mm prio:low	-1	C	inconclusive	error	83	16d	699d	PATCH [480d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter prio:normal	1	syz	error	error	702	1d12h	724d
WARNING in shmem_evict_inode (3) mm	-1				88	3d19h	732d
INFO: rcu detected stall in sendmsg (4) mm prio:high	1	C	error	error	64	25d	732d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	371	2d19h	735d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	39	4d03h	744d	💬 5 [686d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	676d	783d	💬 2 [662d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		421	17h48m	789d	💬 10 [335d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	43	170d	826d
BUG: soft lockup in pipe_read fs mm	1	syz			5	475d	853d
INFO: task hung in _vm_unmap_aliases (3) mm prio:low	1	C			692	11d	868d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		236	1d13h	908d	💬 6 [904d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	643d	925d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs	1	C	inconclusive	done	145	14h53m	928d	💬 1 [3d16h]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm	10	C			138	684d	965d	PATCH [305d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	492	74d	993d	💬 4 [222d]
INFO: rcu detected stall in sys_openat (3) mm prio:low	1	C	error		587	1d11h	996d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		377	9h50m	1017d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:high mm	6				1010	19h03m	1128d	PATCH [64d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo	1	C	error		535	16h03m	1310d	💬 1 [159d]
memory leak in xas_create mm prio:high	3	C			46	2h01m	1417d	PATCH [183d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25886	18h16m	1522d	💬 2 [3d16h]
INFO: task hung in do_read_cache_folio block kasan mm	1	C	error	error	179	1068d	1569d	💬 3 [1055d]
INFO: task can't die in wait_on_page_bit_common mm fs	1	C	done		5	1744d	2097d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1414d	2311d	💬 2 [2205d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) mm	6	1	4h17m	4h17m
WARNING in do_mmap fs mm	-1	1	5d09h	1d09h
KCSAN: data-race in filemap_fault / filemap_read_folio mm race:benign	6	1	5d21h	5d21h
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign	6	1	6d23h	6d23h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm	6	1	11d	11d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) mm	6	1	18d	18d
KCSAN: data-race in __mmput / copy_mm (3) mm prio:high	6	1	18d	18d
KCSAN: data-race in compact_zone / compact_zone (9) mm prio:high	6	1	20d	20d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) mm prio:high	6	1	24d	24d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) mm prio:high	6	2	1d22h	26d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) prio:high mm	6	1	31d	31d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	37d	33d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:high mm	6	18	14h33m	39d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm prio:high	6	27	14h19m	40d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs prio:high	6	2	42d	51d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs prio:high	6	3	20d	98d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:high mm	6	75	6h39m	129d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:high mm	6	9	5d11h	200d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm prio:high	6	25	3d13h	254d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm	6	19	39d	263d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry prio:high mm	6	131	41d	395d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm	6	414	41d	396d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm	6	148	9d11h	421d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm	6	153	3d16h	551d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:high mm	6	572	10h10m	552d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:high mm fs	6	939	3h19m	554d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) prio:high mm	6	116	4d16h	587d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:high mm	6	209	3d11h	690d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm	6	210	15d	691d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:high mm	6	153	5d13h	692d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm prio:high	6	860	1d16h	749d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:high mm	6	90	3d04h	776d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:high mm	6	206	3d09h	779d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:high mm	6	2694	7h19m	900d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:high mm	6	963	4d22h	1601d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm prio:high	6	1893	11h04m	1624d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm	6	5330	6h35m	1795d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:high fs mm	6	1663	2d18h	2069d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:high fs mm	6	4152	7d04h	2359d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:high mm fs	6	2546	12h54m	2365d