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
BUG: sleeping function called from invalid context in shmem_inode_acct_blocks mm	5				1	6d02h	2d02h
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	3d04h	3d04h
WARNING in folio_lruvec_relock_irqsave mm	-1				1	8d08h	4d08h
possible deadlock in hugetlbfs_fallocate fs mm	4				2	4d20h	6d20h
possible deadlock in gup_fast_fallback (3) mm	4				7	9d18h	11d	💬 1 [10d]
possible deadlock in hugetlb_vma_lock_write mm	4				1	15d	11d	PATCH [10d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	24d	20d	💬 3 [19d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages mm arch prio:high	5				3	23d	24d
WARNING in __page_cache_release mm	-1				1	28d	24d
BUG: sleeping function called from invalid context in shmem_undo_range mm prio:high	5				1	31d	30d	💬 2 [29d]
BUG: sleeping function called from invalid context in tlb_flush_mmu prio:high arch mm	5				1	31d	30d
BUG: sleeping function called from invalid context in __zap_vma_range mm prio:high	5				4	11d	33d	💬 2 [32d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm	6				40	7h19m	36d	💬 5 [30d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	30d	37d	PATCH [15d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm	1				30	49d	45d	💬 1 [45d]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm	19				8	52d	53d	💬 3 [53d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) jfs mm prio:high	19	C	error		10669	now	54d	PATCH [29d]
general protection fault in zap_huge_pmd mm	2	C			7	65d	66d	💬 9 [65d]
KMSAN: uninit-value in copy_from_kernel_nofault mm	7				13	2d18h	68d	💬 3 [68d]
possible deadlock in mfill_get_vma mm	4	C			290	16d	69d	PATCH [69d]
WARNING: suspicious RCU usage in usb_tx_block mm prio:high	4				4	43d	76d
INFO: rcu detected stall in __dentry_kill mm prio:high	1				114	5h54m	81d
possible deadlock in lock_mm_and_find_vma (4) mm	4				1683	18m	86d	💬 2 [31d]
INFO: rcu detected stall in sys_rename (8) mm prio:low	1	syz			10	92d	88d
WARNING in __kfence_free (4) mm kasan	-1				1	93d	89d
WARNING in __put_task_struct (6) mm	-1				5	42d	89d
kernel BUG in __page_table_check_zero (3) mm	-1				256	26d	94d
INFO: rcu detected stall in sendfile64 mm	1				37	26d	98d
memory leak in __kfree_rcu_sheaf mm f2fs exfat	3	syz			1	104d	103d	💬 28 [19d]
BUG: Bad rss-counter state (6) mm	-1				102	6h16m	105d
kernel BUG in page_table_check_set (2) mm prio:low	-1				643	6d15h	107d	💬 1 [105d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm prio:low	1	syz	error	error	2	33d	117d
INFO: rcu detected stall in schedule_tail (8) mm	1	C	error	error	1	119d	117d
WARNING in unlink_anon_vmas (2) mm	-1	C	error		30	61d	126d	PATCH [125d]
INFO: rcu detected stall in __mmap_complete mm prio:normal	1	syz	error	error	7	104d	139d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm	1	C	error		25	2d15h	153d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low	1				49	1d09h	155d
INFO: rcu detected stall in finish_dput prio:low mm	1	C	error	error	138	124d	160d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm prio:high	5	syz			6	19d	167d	PATCH [21d]
WARNING in sched_mm_cid_fork fs mm	-1	C	error	error	332	109d	172d	PATCH [150d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm	1	C	error		10	57d	177d
WARNING in __page_table_check_ptes_set (3) prio:low mm	-1				6	63d	191d
general protection fault in __rt_mutex_slowlock_locked mm prio:high	2				24	40d	193d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm	1	C	error	inconclusive	6	14d	208d
INFO: rcu detected stall in shmem_file_write_iter (3) mm prio:low	1	C			81	2d19h	214d
INFO: task hung in migrate_pages_batch (4) mm	1				120	43d	221d
WARNING in path_noexec (2) fs mm	-1	C	error		26290	1h36m	235d	PATCH [225d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm	-1	C			7	84d	251d	PATCH [241d]
KMSAN: uninit-value in __run_timer_base (2) mm	22				13	84d	255d	PATCH [252d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm	1				58	3d18h	266d
INFO: task hung in writeback_iter (3) fs mm	1	C	error	error	18	42d	268d	PATCH [123d]
WARNING in __alloc_skb (4) mm	-1	C			8	71d	269d	PATCH [245d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		33	7d11h	269d	💬 1 [269d]
INFO: rcu detected stall in sys_munmap (2) mm prio:low	1	C	error	error	43	26d	275d	💬 7 [155d]
KASAN: slab-use-after-free Read in lru_add (2) gfs2 mm	19	C	error		12	14d	292d
WARNING in trace_suspend_resume prio:high mm	-1	C			3674	8h53m	296d	💬 1 [19h25m]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm	1	C	error	error	8	2d12h	299d
INFO: rcu detected stall in devtmpfsd (3) mm	1	C	error	inconclusive	4	124d	307d	💬 2 [306d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm	1	syz	error	error	3	144d	332d
INFO: rcu detected stall in exit_to_user_mode_loop mm prio:low	1	C	error		513	10h18m	336d	💬 1 [299d]
INFO: rcu detected stall in vm_area_alloc (6) mm prio:normal	1	syz	error	error	13	4h11m	359d
INFO: rcu detected stall in vms_gather_munmap_vmas mm prio:normal	1	syz	error	error	55	45d	374d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm	1	C	error	error	3	139d	376d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm prio:normal	1	syz	error	error	17	27d	384d
INFO: rcu detected stall in nsim_fib_event_work mm	1	C	error	error	7	133d	387d
INFO: task hung in exit_mmap (2) mm	1	C	done	error	59	32d	394d
kernel BUG in __filemap_add_folio prio:low fs mm	-1	C	done		1959	10h23m	394d	PATCH [157d]
BUG: soft lockup in sys_bpf mm prio:low	1	C	error		164	1d06h	396d
INFO: task hung in page_cache_ra_order prio:low fs mm	1	C	done		106	4d01h	396d	💬 1 [396d]
INFO: rcu detected stall in clone (7) prio:high mm	1				103	8d12h	423d
INFO: rcu detected stall in sys_mkdir (9) mm	1	syz	done	error	6	5d15h	484d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	25	3d13h	505d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	23d	530d	💬 6 [440d]
INFO: rcu detected stall in sys_umount (3) mm	1	C	done	error	55	31d	531d	💬 2 [278d]
possible deadlock in balance_pgdat (2) mm scsi	4	C			4	501d	535d	💬 1 [492d]
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm	19	C			75	116d	544d	💬 7 [188d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	11d	544d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm	1	C	done	inconclusive	75	9h24m	544d
INFO: rcu detected stall in security_file_ioctl (9) mm	1	syz	error		135	1h03m	548d
INFO: rcu detected stall in sys_pipe2 (2) mm	1	syz	done	done	119	8h23m	559d
INFO: rcu detected stall in brk (2) mm	1	syz			3	39d	569d	💬 8 [568d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	119	6d20h	571d
INFO: rcu detected stall in sys_readlink (5) kernfs btrfs mm prio:normal	1	syz	done	error	49	15d	582d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	5d04h	584d	💬 1 [583d]
WARNING: ODEBUG bug in __folio_put (2) usb mm	-1	syz			28	297d	585d
INFO: rcu detected stall in sys_mprotect (8) mm	1	syz	done	error	113	14h17m	590d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	84	1d21h	598d
INFO: rcu detected stall in vhci_release mm	1	syz	done	done	14	2d08h	602d
INFO: rcu detected stall in shmem_fault (6) mm	1	C			238	2d07h	611d	PATCH [593d]
INFO: rcu detected stall in sys_execve (6) mm prio:normal	1	C	done	error	79	2d22h	613d
INFO: rcu detected stall in x64_sys_call mm prio:low	1	C	error		551	2d16h	621d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	428d	622d	💬 4 [583d]
kernel BUG in z3fold_page_migrate mm	-1	syz			354	421d	627d
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	121d	629d	💬 1 [124d]
INFO: rcu detected stall in kcov_close prio:normal mm	1				205	2d05h	649d
kernel panic: System is deadlocked on memory (2) prio:high mm	2				154	2d07h	649d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm	1				112	15d	651d	PATCH [593d]
WARNING in drm_mode_create_lease_ioctl mm	-1	C	inconclusive	error	83	13d	696d	PATCH [477d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter	1	syz	error	error	701	39d	721d
WARNING in shmem_evict_inode (3) mm	-1				88	22h51m	729d
INFO: rcu detected stall in sendmsg (4) mm prio:high	1	C	error	error	64	22d	730d
INFO: rcu detected stall in sys_sendto (7) prio:low mm	1	C	error	error	370	2d14h	732d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	39	1d06h	741d	💬 5 [684d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	673d	780d	💬 2 [659d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		418	17h15m	786d	💬 10 [332d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	43	167d	823d
BUG: soft lockup in pipe_read fs mm	1	syz			5	472d	850d
INFO: task hung in _vm_unmap_aliases (3) mm prio:low	1	C			692	8d17h	865d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		235	9h53m	905d	💬 6 [901d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	640d	922d
INFO: rcu detected stall in sys_unshare (9) prio:high mm kernfs	1	C	inconclusive	done	144	1d15h	925d	💬 1 [19h25m]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm	10	C			138	681d	962d	PATCH [302d]
kernel BUG in filemap_unaccount_folio prio:high mm	-1	C	done	error	492	71d	990d	💬 4 [219d]
INFO: rcu detected stall in sys_openat (3) mm	1	C	error		586	3d06h	993d
INFO: rcu detected stall in sys_unlink (3) mm	1	C	error		376	4h10m	1014d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:high mm	6				1007	45m	1126d	PATCH [61d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo	1	C	error		531	6d09h	1307d	💬 1 [156d]
memory leak in xas_create mm prio:high	3	C			45	23h39m	1415d	PATCH [180d]
WARNING in ext4_dirty_folio mm	-1	C	inconclusive	done	25885	18h39m	1519d	💬 2 [19h25m]
INFO: task hung in do_read_cache_folio block kasan mm	1	C	error	error	179	1065d	1567d	💬 3 [1052d]
INFO: task can't die in wait_on_page_bit_common mm fs	1	C	done		5	1741d	2094d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1411d	2309d	💬 2 [2202d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in filemap_fault / filemap_read_folio mm race:benign	6	1	3d00h	3d00h
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign	6	1	4d02h	4d02h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm	6	1	8d21h	8d21h
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) mm	6	1	15d	15d
KCSAN: data-race in __mmput / copy_mm (3) mm prio:high	6	1	15d	15d
KCSAN: data-race in compact_zone / compact_zone (9) mm prio:high	6	1	17d	17d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) mm prio:high	6	1	21d	21d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) mm prio:high	6	1	23d	23d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:high	6	1	28d	28d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	34d	30d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:high mm	6	17	1d21h	36d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm	6	25	9h24m	38d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs prio:high	6	2	39d	48d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs prio:high	6	3	17d	95d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:high mm	6	70	6h28m	126d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:high mm	6	9	2d14h	198d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm prio:high	6	25	16h50m	251d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm	6	19	36d	261d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry prio:high mm	6	131	39d	392d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm	6	414	38d	393d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm	6	148	6d14h	418d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm	6	153	20h06m	548d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:high mm	6	568	1h38m	549d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:high mm fs	6	938	21h39m	551d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) prio:high mm	6	116	1d19h	584d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:high mm	6	209	14h23m	687d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm	6	210	12d	688d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:high mm	6	153	2d16h	689d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm prio:high	6	859	5d20h	746d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:high mm	6	90	7h40m	773d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:high mm	6	206	12h20m	776d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:high mm	6	2680	37m	897d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:high mm	6	963	2d01h	1598d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm	6	1887	19h40m	1621d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm	6	5321	1h22m	1792d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:high fs mm	6	1662	6d03h	2066d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:high fs mm	6	4152	4d07h	2356d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:high mm fs	6	2545	1h58m	2362d