syzbot: mm subsystem

mm subsystem

List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (97)
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	4d14h	14h47m
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4	10	C			3	1d16h	1d16h
WARNING in folio_lruvec_relock_irqsave mm	-1				1	6d21h	2d21h
possible deadlock in hugetlbfs_fallocate fs mm	4				2	3d08h	5d08h
possible deadlock in gup_fast_fallback (3) mm	4				7	8d06h	10d	💬 1 [9d08h]
possible deadlock in hugetlb_vma_lock_write mm	4				1	14d	10d	PATCH [8d14h]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm	5				1	23d	19d	💬 3 [18d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages mm arch	5				3	21d	22d
WARNING in __page_cache_release mm	-1				1	26d	22d
BUG: sleeping function called from invalid context in shmem_undo_range mm	5				1	29d	28d	💬 2 [28d]
BUG: sleeping function called from invalid context in tlb_flush_mmu arch mm prio:high	5				1	29d	28d
BUG: sleeping function called from invalid context in __zap_vma_range mm prio:high	5				4	9d13h	31d	💬 2 [30d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm	6				39	1d14h	35d	💬 5 [29d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast mm kvm kvm-x86 prio:high	5				2	28d	36d	PATCH [13d]
INFO: rcu detected stall in kcov_ioctl (3) mm prio:high	1				30	47d	43d	💬 1 [43d]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm	19				8	51d	52d	💬 3 [52d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) jfs mm	19	C	error		10162	now	53d	PATCH [27d]
general protection fault in zap_huge_pmd mm	2	C			7	63d	65d	💬 9 [64d]
KMSAN: uninit-value in copy_from_kernel_nofault mm	7				13	1d06h	67d	💬 3 [67d]
possible deadlock in mfill_get_vma mm	4	C			290	14d	68d	PATCH [67d]
WARNING: suspicious RCU usage in usb_tx_block mm prio:high	4				4	41d	74d
INFO: rcu detected stall in __dentry_kill mm prio:high	1				112	19h56m	80d
possible deadlock in lock_mm_and_find_vma (4) mm	4				1648	39m	85d	💬 2 [30d]
INFO: rcu detected stall in sys_rename (8) mm	1	syz			10	91d	87d
WARNING in __kfence_free (4) mm kasan	-1				1	91d	87d
WARNING in __put_task_struct (6) mm	-1				5	41d	88d
kernel BUG in __page_table_check_zero (3) mm	-1				256	25d	92d
INFO: rcu detected stall in sendfile64 mm	1				37	24d	96d
kernel BUG in __khugepaged_enter mm	-1				5	99d	97d	💬 4 [94d]
KASAN: slab-use-after-free Read in mas_walk mm prio:high	19	C			1	99d	99d	💬 6 [98d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat	3	syz			1	103d	102d	💬 28 [17d]
BUG: Bad rss-counter state (6) mm	-1				101	8d14h	103d
kernel BUG in page_table_check_set (2) mm prio:low	-1				643	5d03h	105d	💬 1 [104d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm prio:low	1	syz	error	error	2	31d	115d
INFO: rcu detected stall in schedule_tail (8) mm	1	C	error	error	1	117d	115d
WARNING in unlink_anon_vmas (2) mm	-1	C	error		30	60d	124d	PATCH [124d]
INFO: rcu detected stall in __mmap_complete mm	1	syz	error	error	7	103d	137d
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm prio:low	1	C	error		25	1d03h	151d
INFO: rcu detected stall in sys_io_uring_enter (3) mm	1				48	3h55m	154d
INFO: rcu detected stall in finish_dput mm prio:low	1	C	error	error	138	123d	158d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm prio:high	5	syz			6	18d	165d	PATCH [19d]
WARNING in sched_mm_cid_fork mm fs	-1	C	error	error	332	108d	170d	PATCH [149d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm	1	C	error		10	56d	176d
WARNING in __page_table_check_ptes_set (3) mm prio:low	-1				6	61d	190d
general protection fault in __rt_mutex_slowlock_locked mm	2				24	38d	191d
INFO: rcu detected stall in sys_symlink (6) mm prio:high	1	C	error	inconclusive	6	12d	206d
INFO: rcu detected stall in shmem_file_write_iter (3) mm	1	C			81	1d07h	212d
INFO: task hung in migrate_pages_batch (4) mm	1				120	42d	220d
WARNING in path_noexec (2) fs mm	-1	C	error		26062	4h22m	233d	PATCH [223d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm	-1	C			7	83d	249d	PATCH [239d]
KMSAN: uninit-value in __run_timer_base (2) mm	22				13	82d	254d	PATCH [251d]
INFO: rcu detected stall in sys_madvise (2) mm prio:high	1				58	2d06h	264d
INFO: task hung in writeback_iter (3) mm fs	1	C	error	error	18	40d	267d	PATCH [121d]
WARNING in __alloc_skb (4) mm	-1	C			8	70d	267d	PATCH [243d]
INFO: rcu detected stall in sys_mount (8) mm prio:low	1	C	error		33	5d23h	268d	💬 1 [267d]
INFO: rcu detected stall in sys_munmap (2) mm	1	C	error	error	43	25d	273d	💬 7 [154d]
KASAN: slab-use-after-free Read in lru_add (2) mm	19	C	error		12	12d	291d
WARNING in trace_suspend_resume mm prio:high	-1	C			3615	55m	295d	💬 1 [51d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm prio:high	1	C	error	error	8	1d00h	297d
INFO: rcu detected stall in devtmpfsd (3) mm	1	C	error	inconclusive	4	122d	306d	💬 2 [305d]
INFO: rcu detected stall in sock_close (5) fs mm tipc	1	syz	error		64	4d19h	310d
INFO: rcu detected stall in linkwatch_event (5) mm net prio:normal	1	syz	error	error	3	142d	330d
INFO: rcu detected stall in exit_to_user_mode_loop mm	1	C	error		510	now	335d	💬 1 [297d]
INFO: rcu detected stall in vm_area_alloc (6) mm	1	syz	error	error	12	1d16h	357d
INFO: rcu detected stall in vms_gather_munmap_vmas mm	1	syz	error	error	55	43d	372d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 prio:normal	1	C	error	error	3	138d	375d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm	1	syz	error	error	17	25d	383d
INFO: rcu detected stall in nsim_fib_event_work mm	1	C	error	error	7	132d	386d
INFO: task hung in exit_mmap (2) mm	1	C	done	error	59	31d	392d
kernel BUG in __filemap_add_folio fs mm prio:low	-1	C	done		1958	3h14m	392d	PATCH [155d]
BUG: soft lockup in sys_bpf mm	1	C	error		163	2d08h	394d
INFO: task hung in page_cache_ra_order fs mm prio:low	1	C	done		106	2d13h	395d	💬 1 [394d]
INFO: rcu detected stall in clone (7) mm prio:high	1				103	7d00h	421d
INFO: rcu detected stall in sys_mkdir (9) mm	1	syz	done	error	6	4d04h	482d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	25	2d01h	503d
INFO: rcu detected stall in mas_preallocate (2) mm	1	syz	done	error	10	22d	529d	💬 6 [438d]
INFO: rcu detected stall in sys_umount (3) mm	1	C	done	error	55	30d	530d	💬 2 [276d]
possible deadlock in balance_pgdat (2) scsi mm	4	C			4	500d	533d	💬 1 [491d]
INFO: rcu detected stall in sys_sendmmsg (7) mm	1				126	1d10h	538d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm prio:high	19	C			75	115d	542d	💬 7 [186d]
INFO: rcu detected stall in sys_mmap (3) mm	1	C	error	error	62	9d19h	543d
INFO: rcu detected stall in sys_setsockopt (4) mm prio:high	1	C	done	inconclusive	74	2d06h	543d
INFO: rcu detected stall in security_file_ioctl (9) mm	1	syz	error		133	7d23h	546d
INFO: rcu detected stall in sys_pipe2 (2) mm	1	syz	done	done	118	10d	558d
INFO: rcu detected stall in brk (2) mm	1	syz			3	37d	568d	💬 8 [567d]
INFO: rcu detected stall in kthreadd (2) mm	1	C	unreliable	error	119	5d09h	569d
INFO: rcu detected stall in sys_readlink (5) kernfs mm	1	syz	done	error	49	13d	581d
INFO: rcu detected stall in seq_read_iter (2) mm	1	C	inconclusive	error	10	3d16h	583d	💬 1 [582d]
WARNING: ODEBUG bug in __folio_put (2) usb mm	-1	syz			28	295d	584d
INFO: rcu detected stall in sys_mprotect (8) mm	1	syz	done	error	112	1d05h	588d
INFO: rcu detected stall in kjournald2 (2) mm	1	C	error	error	84	9h18m	596d
INFO: rcu detected stall in vhci_release mm	1	syz	done	done	14	20h11m	601d
INFO: rcu detected stall in shmem_fault (6) mm	1	C			238	19h18m	610d	PATCH [592d]
INFO: rcu detected stall in sys_execve (6) mm	1	C	done	error	79	1d10h	612d
INFO: rcu detected stall in x64_sys_call mm	1	C	error		551	1d04h	619d
BUG: corrupted list in add_to_unbuddied mm	8	syz			43	426d	620d	💬 4 [581d]
kernel BUG in z3fold_page_migrate mm	-1	syz			354	420d	625d
INFO: task hung in page_cache_ra_unbounded (2) fs mm	1	C	done	error	3651	119d	627d	💬 1 [123d]
INFO: rcu detected stall in kcov_close mm prio:normal	1				205	17h47m	648d
kernel panic: System is deadlocked on memory (2) mm prio:high	2				154	19h44m	648d
INFO: rcu detected stall in vm_mmap_pgoff mm prio:normal	1				112	14d	649d	PATCH [592d]
WARNING in drm_mode_create_lease_ioctl mm	-1	C	inconclusive	error	83	12d	694d	PATCH [476d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter	1	syz	error	error	701	38d	720d
WARNING in shmem_evict_inode (3) mm	-1				87	3d02h	727d
INFO: rcu detected stall in sendmsg (4) mm	1	C	error	error	64	20d	728d
INFO: rcu detected stall in sys_sendto (7) mm prio:low	1	C	error	error	370	1d02h	731d
INFO: rcu detected stall in validate_mm (3) mm	1	C	error	error	38	148d	740d	💬 5 [682d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm	4	C	error	inconclusive	498	672d	778d	💬 2 [658d]
INFO: rcu detected stall in sys_clone (8) mm	1	C	error		416	3h39m	784d	💬 10 [331d]
INFO: rcu detected stall in sys_syslog (2) mm	1	C	error	error	43	166d	822d
BUG: soft lockup in pipe_read mm fs	1	syz			5	471d	848d
INFO: task hung in _vm_unmap_aliases (3) mm	1	C			692	7d05h	864d
INFO: rcu detected stall in sys_recvmmsg (3) mm	1				256	17h29m	885d
INFO: rcu detected stall in sys_socket (10) mm	1	C	done		234	6d22h	904d	💬 6 [899d]
BUG: spinlock recursion in try_to_wake_up mm crypto	4	C			9	638d	920d
INFO: rcu detected stall in sys_unshare (9) mm prio:high	1	C	inconclusive	done	144	4h02m	923d	💬 1 [85d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm	10	C			138	680d	961d	PATCH [301d]
kernel BUG in filemap_unaccount_folio mm prio:high	-1	C	done	error	492	70d	989d	💬 4 [218d]
INFO: rcu detected stall in sys_openat (3) mm	1	C	error		586	1d18h	992d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm	1	C	error		375	3d02h	1012d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm prio:high	6				1005	8h27m	1124d	PATCH [60d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo	1	C	error		531	4d21h	1305d	💬 1 [155d]
memory leak in xas_create mm	3	C			42	11d	1413d	PATCH [179d]
WARNING in ext4_dirty_folio mm	-1	C	inconclusive	done	25883	1d02h	1518d	💬 2 [30d]
INFO: task hung in do_read_cache_folio kasan mm block	1	C	error	error	179	1064d	1565d	💬 3 [1051d]
INFO: task can't die in wait_on_page_bit_common fs mm	1	C	done		5	1740d	2092d
INFO: task hung in do_read_cache_page (3) fs mm	1	C	done	inconclusive	88	1410d	2307d	💬 2 [2201d]

Title	Rank 🛈	Count	Last	Reported
KCSAN: data-race in filemap_fault / filemap_read_folio mm race:benign	6	1	1d12h	1d12h
KCSAN: data-race in copy_mm / mmap_write_unlock mm race:benign	6	1	2d14h	2d14h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) fs mm	6	1	7d09h	7d09h
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) mm	6	1	13d	13d
KCSAN: data-race in __mmput / copy_mm (3) mm prio:high	6	1	14d	14d
KCSAN: data-race in compact_zone / compact_zone (9) mm	6	1	16d	16d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) mm	6	1	19d	19d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) mm	6	1	22d	22d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm prio:high	6	1	27d	27d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm	19	1	32d	28d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:high mm	6	17	9h50m	35d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm	6	24	2d04h	36d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs prio:high	6	2	38d	47d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs prio:high	6	3	15d	93d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm prio:high	6	68	4d17h	125d
KCSAN: data-race in copy_mm / copy_page_range (3) mm prio:high	6	9	1d02h	196d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm	6	24	26d	250d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm	6	19	34d	259d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm prio:high	6	131	37d	390d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm	6	414	36d	391d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm	6	148	5d02h	417d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm	6	152	1d08h	546d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm prio:high	6	565	18h06m	548d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs	6	937	6h29m	549d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm prio:high	6	116	7h49m	582d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm prio:high	6	208	1d00h	686d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm	6	210	11d	686d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm prio:high	6	153	1d05h	688d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs	6	859	4d08h	745d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm prio:high	6	89	45d	771d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm prio:high	6	205	9d10h	774d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm	6	173	11d	894d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm prio:high	6	2673	4h27m	895d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm prio:high	6	963	13h40m	1596d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm	6	1885	14h17m	1620d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm	6	5318	5h15m	1791d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm prio:high	6	1662	4d15h	2065d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm prio:high	6	4152	2d19h	2354d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs prio:high	6	2543	15h27m	2360d
corrupted report (2) hfs kasan mm	-1	1113196	now	2963d