syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (96)
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				3	3d14h	2d20h
WARNING in hrtick_start_fair cgroups mm prio:high	-1	C	error		6846	7m	5d18h
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal	19				1	12d	5d20h	PATCH [1d21h]
upstream test error: WARNING in call_timer_fn mm prio:high	-1				1	12d	8d22h	💬 1 [8d21h]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low	-1				4	11d	11d	💬 2 [11d]
WARNING in swap_cluster_assert_empty mm prio:low	-1				1	17d	13d	PATCH [11d]
possible deadlock in page_cache_ra_order mm fs prio:high	4				5	19d	15d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) mm race:harmful prio:low	6				1	19d	16d
INFO: rcu detected stall in clone3 (6) cgroups mm prio:high	1				33	5h54m	18d
WARNING in alloc_frozen_pages_noprof (2) mm prio:high	-1	C			3	10d	20d	PATCH [18d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	11d	25d
WARNING in folio_lruvec_relock_irqsave prio:high mm	-1				1	30d	26d
possible deadlock in hugetlbfs_fallocate prio:low fs mm	4				2	27d	29d
possible deadlock in gup_fast_fallback (3) prio:low mm	4				9	1d09h	34d	💬 1 [33d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net	4				2	16d	34d	PATCH [32d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	47d	43d	💬 3 [42d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high mm arch	5				3	45d	46d	💬 2 [14d]
WARNING in __page_cache_release mm prio:low	-1				1	50d	46d
BUG: sleeping function called from invalid context in shmem_undo_range mm prio:high	5				1	53d	52d	💬 2 [52d]
BUG: sleeping function called from invalid context in tlb_flush_mmu prio:high arch mm	5				1	53d	52d
BUG: sleeping function called from invalid context in __zap_vma_range mm prio:high	5				4	33d	55d	💬 2 [54d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm	6				62	3d04h	59d	💬 7 [4d19h]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86	5				2	52d	60d	PATCH [10d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				30	71d	67d	💬 1 [67d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm	19	C	error		18454	now	77d	PATCH [51d]
general protection fault in zap_huge_pmd prio:high mm	2	C			7	87d	89d	💬 9 [88d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm	7				18	1d11h	91d	💬 3 [91d]
possible deadlock in mfill_get_vma prio:low mm	4	C			290	38d	91d	PATCH [91d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm	4				4	65d	98d
INFO: rcu detected stall in __dentry_kill prio:high mm	1	syz	error		132	19h12m	104d
possible deadlock in lock_mm_and_find_vma (4) mm prio:low	4				2090	1h56m	109d	💬 2 [54d]
WARNING in __put_task_struct (6) mm prio:high	-1				5	65d	111d
kernel BUG in __page_table_check_zero (3) prio:high mm	-1				265	10d	116d	PATCH [3d02h]
INFO: rcu detected stall in sendfile64 mm prio:high	1				37	48d	120d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat	3	syz			1	127d	125d	💬 28 [41d]
BUG: Bad rss-counter state (6) mm prio:high	-1				107	5d10h	127d
kernel BUG in page_table_check_set (2) prio:low mm	-1				689	14d	129d	💬 1 [127d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf	1	syz	error	error	2	55d	139d
INFO: rcu detected stall in schedule_tail (8) prio:low mm	1	C	error	error	1	141d	139d
INFO: rcu detected stall in __mmap_complete mm prio:normal	1	syz	error	error	7	127d	161d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		35	1d19h	175d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				49	23d	178d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	146d	182d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm	5	syz			11	2d09h	189d	PATCH [7d08h]
WARNING in sched_mm_cid_fork fs mm prio:low	-1	C	error	error	332	132d	194d	PATCH [173d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm prio:low	1	C	error		12	8d13h	200d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1	C			11	13d	214d	PATCH [14d]
general protection fault in __rt_mutex_slowlock_locked mm prio:high	2				24	62d	215d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	36d	230d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm	1	C			84	5h14m	236d
INFO: task hung in migrate_pages_batch (4) mm prio:high	1				155	3h11m	244d
WARNING in path_noexec (2) fs mm prio:low	-1	C	error		27094	2h29m	257d	PATCH [247d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high	-1	C			7	107d	273d	PATCH [263d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	26d	288d
INFO: task hung in writeback_iter (3) fs mm prio:high	1	C	error	error	18	64d	291d	PATCH [145d]
WARNING in __alloc_skb (4) mm	-1	C			8	94d	291d	PATCH [267d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		36	20d	292d	💬 1 [291d]
INFO: rcu detected stall in sys_munmap (2) mm prio:low	1	C	error	error	44	9d12h	297d	💬 7 [177d]
KASAN: slab-use-after-free Read in lru_add (2) gfs2 mm prio:high	19	C	error		12	36d	315d
WARNING in trace_suspend_resume prio:high mm	-1	C			3789	1d15h	319d	💬 1 [23d]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	8	24d	321d
INFO: rcu detected stall in devtmpfsd (3) mm prio:low	1	C	error	inconclusive	5	8d23h	330d	💬 2 [329d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	166d	354d
INFO: rcu detected stall in exit_to_user_mode_loop mm prio:low	1	C	error		548	15h08m	359d	💬 1 [321d]
INFO: rcu detected stall in vm_area_alloc (6) mm prio:normal	1	syz	error	error	13	22d	381d
INFO: rcu detected stall in vms_gather_munmap_vmas mm prio:normal	1	syz	error	error	57	5d00h	396d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm	1	C	error	error	3	162d	399d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm prio:normal	1	syz	error	error	18	3d03h	406d
INFO: rcu detected stall in nsim_fib_event_work mm prio:high	1	C	error	error	8	21d	409d
INFO: task hung in exit_mmap (2) mm prio:low	1	C	done	error	59	55d	416d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1987	1d20h	416d	PATCH [179d]
BUG: soft lockup in sys_bpf mm prio:low	1	C	error		175	15h55m	418d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		113	1d10h	418d	💬 1 [418d]
INFO: rcu detected stall in clone (7) prio:high mm	1				107	7d22h	445d
INFO: rcu detected stall in sys_mkdir (9) mm prio:high	1	syz	done	error	6	28d	506d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	26	14d	527d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	11	2d16h	553d	💬 6 [462d]
INFO: rcu detected stall in sys_umount (3) mm prio:low	1	C	done	error	55	53d	554d	💬 2 [300d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	523d	557d	💬 1 [515d]
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			75	139d	566d	💬 7 [210d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	33d	567d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	81	5d04h	567d
INFO: rcu detected stall in security_file_ioctl (9) mm prio:normal	1	syz	error		146	4h39m	570d
INFO: rcu detected stall in sys_pipe2 (2) mm prio:low	1	syz	done	done	124	3d03h	582d
INFO: rcu detected stall in brk (2) mm prio:high	1	syz			3	61d	592d	💬 8 [591d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	123	2d13h	593d
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal	1	syz	done	error	51	7h03m	605d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	27d	607d	💬 1 [606d]
WARNING: ODEBUG bug in __folio_put (2) usb mm prio:high	-1	syz			28	319d	608d
INFO: rcu detected stall in sys_mprotect (8) mm prio:normal	1	syz	done	error	114	15d	612d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	87	12d	620d
INFO: rcu detected stall in vhci_release mm prio:high	1	syz	done	done	14	24d	625d
INFO: rcu detected stall in shmem_fault (6) mm prio:low	1	C			243	10d	634d	PATCH [616d]
INFO: rcu detected stall in sys_execve (6) mm prio:normal	1	C	done	error	84	1d00h	636d
INFO: rcu detected stall in x64_sys_call mm prio:low	1	C	error		562	3d16h	643d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	450d	644d	💬 4 [605d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	143d	651d	💬 1 [147d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				217	1d22h	672d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				163	2d04h	672d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1				113	10d	673d	PATCH [616d]
WARNING in drm_mode_create_lease_ioctl mm prio:low	-1	C	inconclusive	error	86	13d	718d	PATCH [500d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter prio:normal	1	syz	error	error	702	21d	744d
WARNING in shmem_evict_inode (3) mm prio:normal	-1				91	1d21h	751d
INFO: rcu detected stall in sendmsg (4) mm prio:high	1	C	error	error	64	44d	752d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	386	12h26m	754d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	39	23d	764d	💬 5 [706d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	695d	802d	💬 2 [682d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		432	2d18h	808d	💬 10 [355d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	46	1d18h	846d
BUG: soft lockup in pipe_read fs mm	1	syz			5	495d	872d
INFO: task hung in _vm_unmap_aliases (3) mm prio:low	1	C			694	4d09h	887d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		248	17h11m	928d	💬 6 [923d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	662d	944d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs	1	C	inconclusive	done	152	6d16h	947d	💬 1 [23d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm prio:low	10	C			138	704d	984d	PATCH [325d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	492	94d	1012d	💬 4 [242d]
INFO: rcu detected stall in sys_openat (3) mm prio:low	1	C	error		602	2h13m	1016d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		387	9h14m	1036d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm prio:low	6				1031	3d00h	1148d	PATCH [84d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo prio:high	1	C	error		553	5h18m	1329d	💬 1 [179d]
memory leak in xas_create mm prio:high	3	C			49	3d05h	1437d	PATCH [202d]
WARNING in ext4_dirty_folio mm prio:low	-1	C	inconclusive	done	25903	2d05h	1542d	💬 2 [23d]
INFO: task hung in do_read_cache_folio block kasan mm	1	C	error	error	179	1087d	1589d	💬 3 [1075d]
INFO: task can't die in wait_on_page_bit_common mm fs	1	C	done		5	1764d	2116d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1433d	2331d	💬 2 [2225d]

Title	Rank 🛈	Count	Last	Reported
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) fs mm	-1	1	1d07h	1d07h
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) fs mm race:benign prio:high	6	1	3d13h	3d13h
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) mm fs race:benign prio:high	6	1	4d01h	4d01h
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign prio:low	6	1	6d05h	6d05h
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign	6	1	8d00h	8d00h
BUG: soft lockup in pid_child_should_wake mm prio:low	1	1	17d	13d
KCSAN: data-race in copy_process / show_stat (5) mm race:benign prio:low	6	1	17d	17d
WARNING in do_mmap fs mm prio:low	-1	1	24d	20d
KCSAN: data-race in filemap_fault / filemap_read_folio mm race:benign prio:low	6	1	25d	25d
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign prio:low	6	1	26d	26d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm	6	1	31d	31d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm	6	1	37d	37d
KCSAN: data-race in __mmput / copy_mm (3) prio:low mm	6	1	38d	38d
KCSAN: data-race in compact_zone / compact_zone (9) prio:low mm	6	1	39d	39d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm	6	2	20h25m	43d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm	6	2	21d	46d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:low	6	2	19d	51d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	56d	52d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm prio:low	6	24	4d07h	59d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm	6	42	16h00m	60d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs prio:low	6	3	39d	117d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm prio:low	6	83	6d01h	149d
KCSAN: data-race in copy_mm / copy_page_range (3) mm prio:low	6	9	25d	220d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm prio:low	6	27	9d06h	274d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm prio:low	6	149	11d	441d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm prio:low	6	156	7h11m	570d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:low	6	597	23h04m	572d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs prio:low	6	946	11h59m	573d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm prio:low	6	120	2d06h	606d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:low	6	213	1d11h	710d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm prio:low	6	213	7h33m	710d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:low	6	157	22h14m	712d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm prio:low	6	865	1d01h	769d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:low	6	92	11d	795d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm prio:low	6	209	12h25m	798d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm prio:low	6	2769	2h17m	919d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:low	6	964	13d	1620d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm prio:low	6	1926	21h57m	1643d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm prio:high	6	5376	23h06m	1814d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:low	6	1669	1d19h	2089d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:low	6	4157	4d05h	2378d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:low	6	2557	2h14m	2384d