syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (94)
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		4525	now	1d23h
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal	19				1	8d13h	2d01h
upstream test error: WARNING in call_timer_fn mm prio:high	-1				1	9d03h	5d03h	💬 1 [5d02h]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low	-1				4	7d21h	8d00h	💬 2 [7d18h]
WARNING in swap_cluster_assert_empty mm prio:low	-1				1	13d	9d12h	PATCH [8d01h]
possible deadlock in page_cache_ra_order mm fs prio:high	4				5	15d	11d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) mm race:harmful prio:low	6				1	15d	13d
INFO: rcu detected stall in clone3 (6) cgroups mm prio:high	1				32	7d05h	14d
WARNING in alloc_frozen_pages_noprof (2) mm prio:high	-1	C			3	6d14h	16d	PATCH [14d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	7d17h	21d
WARNING in folio_lruvec_relock_irqsave mm prio:high	-1				1	26d	22d
possible deadlock in hugetlbfs_fallocate fs mm prio:low	4				2	23d	25d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				8	15d	30d	💬 1 [29d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	12d	30d	PATCH [28d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	43d	39d	💬 3 [38d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high mm arch	5				3	41d	42d	💬 2 [10d]
WARNING in __page_cache_release mm prio:low	-1				1	46d	42d
BUG: sleeping function called from invalid context in shmem_undo_range mm prio:high	5				1	49d	48d	💬 2 [48d]
BUG: sleeping function called from invalid context in tlb_flush_mmu prio:high arch mm	5				1	49d	48d
BUG: sleeping function called from invalid context in __zap_vma_range mm prio:high	5				4	29d	52d	💬 2 [51d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm prio:low	6				60	14h38m	55d	💬 7 [1d00h]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	49d	56d	PATCH [6d22h]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				30	67d	63d	💬 1 [63d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) jfs mm prio:high	19	C	error		17190	now	73d	PATCH [48d]
general protection fault in zap_huge_pmd mm prio:high	2	C			7	83d	85d	💬 9 [84d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm	7				17	10h38m	87d	💬 3 [87d]
possible deadlock in mfill_get_vma prio:low mm	4	C			290	34d	88d	PATCH [87d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	61d	94d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		126	10h11m	100d
possible deadlock in lock_mm_and_find_vma (4) mm prio:low	4				2028	now	105d	💬 2 [50d]
WARNING in __put_task_struct (6) mm prio:high	-1				5	61d	108d
kernel BUG in __page_table_check_zero (3) mm prio:high	-1				265	6d21h	113d	PATCH [2d19h]
INFO: rcu detected stall in sendfile64 mm prio:high	1				37	44d	116d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	123d	122d	💬 28 [38d]
BUG: Bad rss-counter state (6) mm prio:high	-1				107	1d15h	123d
kernel BUG in page_table_check_set (2) prio:low mm	-1				689	10d	125d	💬 1 [124d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf	1	syz	error	error	2	51d	135d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	137d	135d
INFO: rcu detected stall in __mmap_complete mm prio:normal	1	syz	error	error	7	123d	157d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		34	14h33m	171d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				49	19d	174d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	143d	178d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			6	38d	185d	PATCH [3d13h]
WARNING in sched_mm_cid_fork fs mm prio:low	-1	C	error	error	332	128d	190d	PATCH [169d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm prio:low	1	C	error		12	4d18h	196d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1	C			11	10d	210d	PATCH [10d]
general protection fault in __rt_mutex_slowlock_locked mm prio:high	2				24	58d	212d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	33d	227d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm	1	C			83	8d13h	232d
INFO: task hung in migrate_pages_batch (4) mm prio:high	1				147	8h32m	240d
WARNING in path_noexec (2) fs mm prio:low	-1	C	error		26998	1h08m	254d	PATCH [243d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high	-1	C			7	103d	269d	PATCH [259d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	22d	284d
INFO: task hung in writeback_iter (3) fs mm prio:high	1	C	error	error	18	60d	287d	PATCH [141d]
WARNING in __alloc_skb (4) mm	-1	C			8	90d	288d	PATCH [264d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	16d	288d	💬 1 [288d]
INFO: rcu detected stall in sys_munmap (2) mm prio:low	1	C	error	error	44	5d17h	293d	💬 7 [174d]
KASAN: slab-use-after-free Read in lru_add (2) gfs2 mm prio:high	19	C	error		12	32d	311d
WARNING in trace_suspend_resume prio:high mm	-1	C			3783	2h52m	315d	💬 1 [19d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	8	21d	317d
INFO: rcu detected stall in devtmpfsd (3) mm prio:low	1	C	error	inconclusive	5	5d04h	326d	💬 2 [325d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	163d	350d
INFO: rcu detected stall in exit_to_user_mode_loop mm prio:low	1	C	error		542	1h30m	355d	💬 1 [317d]
INFO: rcu detected stall in vm_area_alloc (6) mm prio:normal	1	syz	error	error	13	18d	377d
INFO: rcu detected stall in vms_gather_munmap_vmas mm prio:normal	1	syz	error	error	57	1d05h	393d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm	1	C	error	error	3	158d	395d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm prio:normal	1	syz	error	error	17	46d	403d
INFO: rcu detected stall in nsim_fib_event_work mm prio:high	1	C	error	error	8	17d	406d
INFO: task hung in exit_mmap (2) mm prio:low	1	C	done	error	59	51d	412d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1986	55m	412d	PATCH [175d]
BUG: soft lockup in sys_bpf mm prio:low	1	C	error		172	1d08h	414d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		110	4d03h	415d	💬 1 [414d]
INFO: rcu detected stall in clone (7) prio:high mm	1				107	4d03h	441d
INFO: rcu detected stall in sys_mkdir (9) mm prio:high	1	syz	done	error	6	24d	502d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	26	11d	523d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	42d	549d	💬 6 [458d]
INFO: rcu detected stall in sys_umount (3) mm prio:low	1	C	done	error	55	50d	550d	💬 2 [296d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	520d	553d	💬 1 [511d]
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			75	135d	562d	💬 7 [206d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	29d	563d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	81	1d09h	563d
INFO: rcu detected stall in security_file_ioctl (9) mm prio:normal	1	syz	error		144	16h04m	566d
INFO: rcu detected stall in sys_pipe2 (2) mm prio:low	1	syz	done	done	122	8d07h	578d
INFO: rcu detected stall in brk (2) mm prio:high	1	syz			3	57d	588d	💬 8 [587d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	121	7d11h	589d
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal	1	syz	done	error	50	8h23m	601d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	23d	603d	💬 1 [602d]
WARNING: ODEBUG bug in __folio_put (2) usb mm prio:high	-1	syz			28	316d	604d
INFO: rcu detected stall in sys_mprotect (8) mm prio:normal	1	syz	done	error	114	11d	608d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	87	8d10h	616d
INFO: rcu detected stall in vhci_release mm prio:high	1	syz	done	done	14	20d	621d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			243	6d08h	630d	PATCH [612d]
INFO: rcu detected stall in sys_execve (6) mm prio:normal	1	C	done	error	82	8d12h	632d
INFO: rcu detected stall in x64_sys_call mm prio:low	1	C	error		561	6d00h	640d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	446d	640d	💬 4 [601d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	140d	647d	💬 1 [143d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				212	4d22h	668d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				161	1d06h	668d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1				113	6d15h	669d	PATCH [612d]
WARNING in drm_mode_create_lease_ioctl mm prio:low	-1	C	inconclusive	error	86	9d16h	715d	PATCH [496d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter prio:normal	1	syz	error	error	702	17d	740d
WARNING in shmem_evict_inode (3) mm prio:normal	-1				90	7d11h	747d
INFO: rcu detected stall in sendmsg (4) mm prio:high	1	C	error	error	64	41d	748d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	380	18h26m	751d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	39	19d	760d	💬 5 [702d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	692d	798d	💬 2 [678d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		431	13h54m	804d	💬 10 [351d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	45	4d02h	842d
BUG: soft lockup in pipe_read fs mm	1	syz			5	491d	868d
INFO: task hung in _vm_unmap_aliases (3) mm prio:low	1	C			694	14h00m	884d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		244	8h33m	924d	💬 6 [919d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	658d	941d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs	1	C	inconclusive	done	152	2d21h	943d	💬 1 [19d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm prio:low	10	C			138	700d	981d	PATCH [321d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	492	90d	1009d	💬 4 [238d]
INFO: rcu detected stall in sys_openat (3) mm prio:low	1	C	error		599	15h56m	1012d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		383	2d23h	1032d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm prio:low	6				1030	15h01m	1144d	PATCH [80d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo prio:high	1	C	error		545	2d11h	1325d	💬 1 [175d]
memory leak in xas_create mm prio:high	3	C			48	3d14h	1433d	PATCH [199d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25900	3d11h	1538d	💬 2 [19d]
INFO: task hung in do_read_cache_folio block kasan mm	1	C	error	error	179	1084d	1585d	💬 3 [1071d]
INFO: task can't die in wait_on_page_bit_common mm fs	1	C	done		5	1760d	2112d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1430d	2327d	💬 2 [2221d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) mm fs race:benign	6	1	6h37m	6h37m
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign prio:low	6	1	2d10h	2d10h
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign	6	1	4d05h	4d05h
BUG: soft lockup in pid_child_should_wake mm prio:low	1	1	14d	10d
KCSAN: data-race in copy_process / show_stat (5) mm race:benign prio:low	6	1	13d	13d
WARNING in do_mmap fs mm prio:low	-1	1	21d	17d
KCSAN: data-race in filemap_fault / filemap_read_folio mm race:benign prio:low	6	1	21d	21d
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign prio:low	6	1	22d	22d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm race:benign prio:low	6	1	27d	27d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm	6	1	33d	33d
KCSAN: data-race in __mmput / copy_mm (3) prio:low mm	6	1	34d	34d
KCSAN: data-race in compact_zone / compact_zone (9) prio:low mm	6	1	36d	36d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm	6	1	39d	39d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	2	17d	42d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:low	6	2	15d	47d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	53d	49d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm prio:low	6	24	12h14m	55d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm prio:low	6	38	9h04m	56d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs prio:low	6	3	36d	113d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm prio:low	6	83	2d06h	145d
KCSAN: data-race in copy_mm / copy_page_range (3) mm prio:low	6	9	21d	216d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm prio:low	6	27	5d11h	270d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm prio:high	6	19	55d	279d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm prio:low	6	149	7d12h	437d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm prio:low	6	155	6d23h	566d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:low	6	594	8h48m	568d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs prio:low	6	944	15h35m	569d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm prio:low	6	119	8d06h	602d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:low	6	212	1d17h	706d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm prio:low	6	212	19h02m	706d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:low	6	156	1d01h	708d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm prio:low	6	862	2d10h	765d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:low	6	92	7d21h	791d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm prio:low	6	208	11d	794d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm prio:low	6	2754	8h15m	915d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:low	6	964	9d06h	1617d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm prio:low	6	1920	1h10m	1640d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm prio:high	6	5366	8h38m	1811d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:low	6	1667	3d11h	2085d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:low	6	4157	10h18m	2375d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:low	6	2554	1d20h	2380d