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
KASAN: invalid-free in rcu_free_sheaf mm prio:high	24				4	2d14h	6d21h
WARNING in hrtick_start_fair cgroups mm prio:high	-1	C	error		8613	13m	9d18h
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal	19				1	16d	9d21h	PATCH [2d05h]
upstream test error: WARNING in call_timer_fn mm prio:high	-1				1	16d	12d	💬 1 [12d]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low	-1				4	15d	15d	💬 2 [15d]
WARNING in swap_cluster_assert_empty mm prio:low	-1				1	21d	17d	PATCH [15d]
possible deadlock in page_cache_ra_order mm fs prio:high	4				5	23d	19d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) mm race:harmful prio:low	6				1	23d	20d
INFO: rcu detected stall in clone3 (6) cgroups mm prio:high	1				34	17h22m	22d
WARNING in alloc_frozen_pages_noprof (2) mm prio:high	-1	C			3	8h32m	24d	PATCH [22d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	15d	29d
WARNING in folio_lruvec_relock_irqsave prio:high mm	-1				1	34d	30d
possible deadlock in hugetlbfs_fallocate prio:low fs mm	4				2	31d	33d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				9	5d09h	38d	💬 1 [37d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	20d	38d	PATCH [36d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	51d	47d	💬 3 [46d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high mm arch	5				3	49d	50d	💬 2 [18d]
WARNING in __page_cache_release mm prio:low	-1				1	54d	50d
BUG: sleeping function called from invalid context in shmem_undo_range mm prio:high	5				1	57d	56d	💬 2 [56d]
BUG: sleeping function called from invalid context in tlb_flush_mmu prio:high arch mm	5				1	57d	56d
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm	5				4	37d	59d	💬 2 [58d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm	6				63	3d00h	63d	💬 7 [8d19h]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86	5				2	56d	64d	PATCH [14d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				30	75d	71d	💬 1 [71d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm	19	C	error		19496	7m	81d	PATCH [55d]
general protection fault in zap_huge_pmd prio:high mm	2	C			7	91d	93d	💬 9 [92d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm	7				20	1d12h	95d	💬 3 [95d]
possible deadlock in mfill_get_vma prio:low mm	4	C			290	42d	95d	PATCH [95d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	69d	102d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		132	4d19h	108d
possible deadlock in lock_mm_and_find_vma (4) mm prio:low	4				2146	1d20h	113d	💬 2 [58d]
WARNING in __put_task_struct (6) mm prio:high	-1				5	69d	115d
kernel BUG in __page_table_check_zero (3) prio:high mm	-1				265	14d	120d	PATCH [2d06h]
INFO: rcu detected stall in sendfile64 mm prio:high	1				39	17h32m	124d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	131d	129d	💬 28 [45d]
BUG: Bad rss-counter state (6) mm prio:high	-1				108	2d04h	131d
kernel BUG in page_table_check_set (2) prio:low mm	-1				689	18d	133d	💬 1 [132d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf	1	syz	error	error	2	59d	143d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	145d	143d
INFO: rcu detected stall in __mmap_complete mm prio:normal	1	syz	error	error	7	131d	165d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		37	2d17h	179d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				50	2h51m	182d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	151d	186d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			11	6d09h	193d	PATCH [11d]
WARNING in sched_mm_cid_fork fs mm prio:low	-1	C	error	error	332	136d	198d	PATCH [177d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm prio:low	1	C	error		12	12d	204d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1	C			11	2d16h	218d	PATCH [18d]
general protection fault in __rt_mutex_slowlock_locked mm prio:high	2				24	66d	219d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	40d	234d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm	1	C			84	4d05h	240d
INFO: task hung in migrate_pages_batch (4) mm prio:high	1				165	2h46m	248d
WARNING in path_noexec (2) fs mm prio:low	-1	C	error		27113	9h42m	261d	PATCH [251d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high	-1	C			7	111d	277d	PATCH [267d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	30d	292d
INFO: task hung in writeback_iter (3) fs mm prio:high	1	C	error	error	18	68d	295d	PATCH [149d]
WARNING in __alloc_skb (4) mm	-1	C			8	98d	295d	PATCH [271d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	24d	296d	💬 1 [295d]
INFO: rcu detected stall in sys_munmap (2) mm prio:low	1	C	error	error	44	13d	301d	💬 7 [181d]
KASAN: slab-use-after-free Read in lru_add (2) gfs2 mm prio:high	19	C	error		12	40d	319d
WARNING in trace_suspend_resume prio:high mm	-1	C			3801	11h26m	323d	💬 1 [27d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	9	3d19h	325d
INFO: rcu detected stall in devtmpfsd (3) mm prio:low	1	C	error	inconclusive	5	13d	334d	💬 2 [333d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	170d	358d
INFO: rcu detected stall in exit_to_user_mode_loop mm prio:low	1	C	error		556	12h19m	363d	💬 1 [325d]
INFO: rcu detected stall in vm_area_alloc (6) mm prio:normal	1	syz	error	error	13	26d	385d
INFO: rcu detected stall in vms_gather_munmap_vmas mm prio:normal	1	syz	error	error	58	3d03h	400d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm	1	C	error	error	3	166d	403d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm prio:normal	1	syz	error	error	18	7d04h	410d
INFO: rcu detected stall in nsim_fib_event_work mm prio:high	1	C	error	error	8	25d	413d
INFO: task hung in exit_mmap (2) mm prio:low	1	C	done	error	59	59d	420d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1990	4h41m	420d	PATCH [183d]
BUG: soft lockup in sys_bpf mm prio:low	1	C	error		176	1d16h	422d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		113	5d11h	422d	💬 1 [422d]
INFO: rcu detected stall in clone (7) prio:high mm	1				107	11d	449d
INFO: rcu detected stall in sys_mkdir (9) mm prio:high	1	syz	done	error	6	32d	510d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	26	18d	531d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	11	6d17h	557d	💬 6 [466d]
INFO: rcu detected stall in sys_umount (3) mm prio:low	1	C	done	error	55	57d	558d	💬 2 [304d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	527d	561d	💬 1 [519d]
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			75	143d	570d	💬 7 [214d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	37d	571d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	83	9h39m	571d
INFO: rcu detected stall in security_file_ioctl (9) mm prio:normal	1	syz	error		149	7h07m	574d
INFO: rcu detected stall in sys_pipe2 (2) mm prio:low	1	syz	done	done	125	8h25m	586d
INFO: rcu detected stall in brk (2) mm prio:high	1	syz			3	65d	596d	💬 8 [595d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	124	3d08h	597d
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal	1	syz	done	error	51	4d07h	609d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	31d	611d	💬 1 [610d]
WARNING: ODEBUG bug in __folio_put (2) usb mm prio:high	-1	syz			28	323d	612d
INFO: rcu detected stall in sys_mprotect (8) mm prio:normal	1	syz	done	error	114	19d	616d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	87	16d	624d
INFO: rcu detected stall in vhci_release mm prio:high	1	syz	done	done	14	28d	629d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			244	2d04h	638d	PATCH [620d]
INFO: rcu detected stall in sys_execve (6) mm prio:normal	1	C	done	error	84	5d00h	640d
INFO: rcu detected stall in x64_sys_call mm prio:low	1	C	error		567	4h54m	647d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	454d	648d	💬 4 [609d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	147d	655d	💬 1 [151d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				218	1d08h	676d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				164	1d15h	676d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1	syz			114	3d11h	677d	PATCH [620d]
WARNING in drm_mode_create_lease_ioctl mm prio:low	-1	C	inconclusive	error	86	17d	722d	PATCH [504d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter prio:normal	1	syz	error	error	702	25d	748d
WARNING in shmem_evict_inode (3) mm prio:normal	-1				91	5d21h	755d
INFO: rcu detected stall in sendmsg (4) mm prio:high	1	C	error	error	64	48d	756d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	388	13h29m	758d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	39	27d	768d	💬 5 [710d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	700d	806d	💬 2 [686d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		440	10h57m	812d	💬 10 [359d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	46	5d19h	850d
BUG: soft lockup in pipe_read fs mm	1	syz			5	499d	876d
INFO: task hung in _vm_unmap_aliases (3) mm prio:low	1	C			694	8d09h	891d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		252	16m	932d	💬 6 [927d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	666d	948d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs	1	C	inconclusive	done	153	6h28m	951d	💬 1 [27d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm prio:low	10	C			138	708d	989d	PATCH [329d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	494	7h30m	1016d	💬 4 [246d]
INFO: rcu detected stall in sys_openat (3) mm prio:low	1	C	error		607	23h11m	1020d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		390	1d02h	1040d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm prio:low	6				1036	9h05m	1152d	PATCH [88d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo prio:high	1	C	error		556	10h31m	1333d	💬 1 [183d]
memory leak in xas_create mm prio:high	3	C			49	7d06h	1441d	PATCH [207d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25904	1d10h	1546d	💬 2 [27d]
INFO: task hung in do_read_cache_folio block kasan mm	1	C	error	error	179	1091d	1593d	💬 3 [1079d]
INFO: task can't die in wait_on_page_bit_common mm fs	1	C	done		5	1768d	2120d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1437d	2335d	💬 2 [2229d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) mm race:benign	6	1	11h34m	11h34m
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) fs mm prio:high	-1	1	5d08h	5d08h
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) fs mm race:benign prio:high	6	1	7d14h	7d14h
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) mm fs race:benign prio:high	6	1	8d02h	8d02h
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign prio:low	6	1	10d	10d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign	6	1	12d	12d
BUG: soft lockup in pid_child_should_wake mm prio:low	1	1	21d	17d
KCSAN: data-race in copy_process / show_stat (5) mm race:benign prio:low	6	1	21d	21d
WARNING in do_mmap fs mm prio:low	-1	1	28d	24d
KCSAN: data-race in filemap_fault / filemap_read_folio mm race:benign prio:low	6	1	29d	29d
KCSAN: data-race in copy_mm / mmap_write_unlock race:benign prio:low mm	6	1	30d	30d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm	6	1	35d	35d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm	6	1	41d	41d
KCSAN: data-race in __mmput / copy_mm (3) prio:low mm	6	1	42d	42d
KCSAN: data-race in compact_zone / compact_zone (9) prio:low mm	6	1	43d	43d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm	6	2	4d21h	47d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	2	25d	50d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:low	6	2	23d	55d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	60d	56d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm	6	26	20h24m	63d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm	6	47	3h43m	64d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) prio:low fs mm	6	3	43d	121d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm prio:low	6	87	9h06m	153d
KCSAN: data-race in copy_mm / copy_page_range (3) mm prio:low	6	9	29d	224d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm prio:low	6	28	2d02h	278d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm prio:low	6	149	15d	445d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm prio:low	6	157	3h47m	574d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:low	6	603	16h03m	576d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs prio:low	6	950	1d12h	577d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm prio:low	6	120	6d06h	610d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:low	6	215	3d13h	714d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm prio:low	6	213	4d08h	714d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:low	6	157	4d22h	716d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm prio:low	6	867	11h30m	773d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:low	6	92	15d	799d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm prio:low	6	211	14h51m	802d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm prio:low	6	2790	18h13m	923d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:low	6	964	17d	1624d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm prio:low	6	1933	6h32m	1648d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm prio:high	6	5387	9h19m	1818d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:low	6	1671	2d03h	2093d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:low	6	4157	8d05h	2382d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:low	6	2561	1d00h	2388d