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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 405
Parent subsystem(s): kernel (84)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in kcov_ioctl (3) mm 1 30 12d 8d01h 💬 1 [8d01h]
WARNING: bad unlock balance in lruvec_stat_mod_folio mm cgroups 4 1 13d 9d07h PATCH [1d09h]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm 19 8 15d 16d 💬 3 [16d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 C error 256 1h54m 17d
WARNING in page_counter_uncharge (2) mm cgroups -1 C error 7 19h05m 19d PATCH [17d]
kernel BUG in collapse_scan_file mm -1 C error 967 27d 28d 💬 16 [27d]
general protection fault in zap_huge_pmd mm 2 C 7 27d 29d 💬 9 [28d]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 4 3d02h 31d 💬 3 [31d]
possible deadlock in mfill_get_vma mm 4 C 286 27d 32d PATCH [31d]
WARNING: suspicious RCU usage in usb_tx_block mm 4 4 5d18h 39d
INFO: rcu detected stall in __dentry_kill mm 1 78 7h43m 44d
possible deadlock in lock_mm_and_find_vma (4) mm 4 836 now 49d 💬 2 [49d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 55d 51d
WARNING in __kfence_free (4) kasan mm -1 1 55d 51d
WARNING in __put_task_struct (6) mm -1 5 5d08h 52d
kernel BUG in __page_table_check_zero (3) mm -1 181 3d17h 57d
INFO: rcu detected stall in sendfile64 mm 1 36 1d20h 61d
kernel BUG in __khugepaged_enter mm -1 5 64d 61d 💬 4 [58d]
KMSAN: uninit-value in follow_page_pte mm 7 1 66d 62d PATCH [3d23h]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 64d 63d 💬 6 [62d]
memory leak in __kfree_rcu_sheaf mm exfat f2fs 3 syz 1 67d 66d 💬 22 [27d]
BUG: Bad rss-counter state (6) mm -1 98 1d08h 68d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 4 6d11h 69d 💬 3 [5d18h]
kernel BUG in page_table_check_set (2) mm -1 481 3d04h 70d 💬 1 [68d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 81d 80d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 17139 31d 81d 💬 3 [24d]
WARNING in unlink_anon_vmas (2) mm -1 C error 30 24d 88d PATCH [88d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 85d 91d PATCH [87d]
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 67d 102d
possible deadlock in flush_end_io fs mm 4 391 66d 108d
KMSAN: uninit-value in swap_writeout mm 7 8 70d 115d PATCH [100d]
INFO: rcu detected stall in sys_newfstat (4) mm 1 C error 19 3d15h 115d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 25d 118d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 87d 122d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 40d 129d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 98d 130d PATCH [95d]
WARNING in sched_mm_cid_fork mm fs -1 C error error 332 72d 134d PATCH [113d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 10 20d 140d
WARNING in __page_table_check_ptes_set (3) mm -1 6 26d 154d
general protection fault in __rt_mutex_slowlock_locked mm 2 24 3d02h 156d
kernel BUG in filemap_fault (3) net mm -1 C error error 15 73d 169d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 95d 171d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 78 14d 176d
general protection fault in call_timer_fn (2) no-reminders mm 19 15 12h06m 183d
INFO: task hung in migrate_pages_batch (4) mm 1 120 6d11h 184d
WARNING in path_noexec (2) fs mm -1 C error 23670 16m 198d PATCH [188d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 47d 213d PATCH [204d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 46d 218d PATCH [215d]
INFO: rcu detected stall in sys_madvise (2) mm 1 53 3d10h 228d
INFO: task hung in writeback_iter (3) fs mm 1 C error error 18 4d19h 231d PATCH [85d]
WARNING in __alloc_skb (4) mm -1 C 8 34d 232d PATCH [208d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 28 2d02h 232d 💬 1 [232d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 93d 237d 💬 7 [118d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 9d15h 255d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 36d 262d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 86d 270d 💬 2 [269d]
INFO: rcu detected stall in sock_close (5) tipc fs mm 1 syz error 54 6d10h 274d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 107d 295d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 470 2d15h 299d 💬 1 [261d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 10 8d01h 321d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 55 7d20h 337d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error error 3 102d 339d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error error 16 31d 347d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 96d 350d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 9d17h 356d
kernel BUG in __filemap_add_folio fs mm -1 C done 1908 6h06m 357d PATCH [119d]
BUG: soft lockup in sys_bpf mm 1 C error 131 2d01h 358d
INFO: task hung in page_cache_ra_order mm fs 1 C done 97 6d09h 359d 💬 1 [358d]
INFO: rcu detected stall in clone (7) mm 1 99 4d16h 385d
INFO: task hung in rmap_walk_file mm 1 C error error 19 93d 433d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 99d 446d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 35d 467d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done error 3 91d 481d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 111d 493d 💬 6 [402d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 54 2d16h 494d 💬 2 [240d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 464d 498d 💬 1 [455d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm fs 1 syz error 90 20d 498d
INFO: rcu detected stall in sys_sendmmsg (7) mm net 1 113 44m 502d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 79d 506d 💬 7 [150d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 60 1d20h 507d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 69 4d01h 507d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 66d 510d PATCH [97d]
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 131 2d15h 511d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 114 10d 522d
INFO: rcu detected stall in brk (2) mm 1 syz 3 1d20h 532d 💬 8 [531d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 113 17d 533d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 47 14d 545d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 142d 547d 💬 1 [546d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 260d 548d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 109 16d 552d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 81 19h04m 560d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 57d 565d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 228 1d21h 574d PATCH [556d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done error 77 37d 576d
INFO: rcu detected stall in x64_sys_call mm 1 C error 525 2d16h 584d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 391d 585d 💬 4 [545d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 66d 585d 💬 3 [175d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 384d 590d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 84d 592d 💬 1 [87d]
INFO: rcu detected stall in kcov_close mm 1 188 5d15h 612d
kernel panic: System is deadlocked on memory (2) mm 2 141 1d23h 612d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 41d 613d PATCH [556d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 81 12d 659d PATCH [440d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 701 2d15h 684d
WARNING in shmem_evict_inode (3) mm -1 81 3d01h 692d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 42d 692d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 354 2d19h 695d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 112d 704d 💬 5 [646d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 636d 743d 💬 2 [622d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 403 4d15h 749d 💬 10 [295d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 130d 786d
BUG: soft lockup in pipe_read fs mm 1 syz 5 435d 812d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 689 11d 828d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 236 23d 849d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 223 1d19h 868d 💬 6 [863d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 602d 885d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 133 2h59m 888d 💬 1 [49d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 644d 925d PATCH [265d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 34d 953d 💬 4 [182d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 570 37m 956d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 368 5d15h 977d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 971 1d00h 1088d PATCH [24d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 519 18h09m 1270d 💬 1 [119d]
memory leak in xas_create mm 3 C 39 5d08h 1377d PATCH [143d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25873 2d16h 1482d 💬 2 [24d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1028d 1529d 💬 3 [1015d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1704d 2057d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1374d 2271d 💬 2 [2165d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm 6 2 3h17m 15h27m
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm 6 1 18h10m 18h09m
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs 6 2 2d15h 11d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 2 21d 25d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 30d 30d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) fs mm 6 1 35d 35d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) mm fs -1 3 23d 43d
KCSAN: data-race in munlock_folio / need_mlock_drain (8) mm 6 1 54d 54d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) fs mm 6 2 26d 57d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 41d 88d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 51 2d09h 89d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 45d 91d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 50d 112d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 47d 123d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 7 35d 160d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 23 5d06h 214d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 9 49d 219d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 18 3d20h 223d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm 6 28 9h58m 267d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 140 11d 316d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 131 1d19h 354d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 414 1d05h 356d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 50d 367d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 145 16d 381d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 146 1d22h 510d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 517 9h02m 512d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 921 13d 514d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 113 7d08h 546d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 195 4h36m 650d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 197 17h30m 651d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 142 11h03m 652d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 853 14d 709d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 89 9d17h 735d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 200 4d12h 739d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) mm 6 168 6d23h 859d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2570 20h17m 860d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 959 8d04h 1561d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1833 38m 1584d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 5234 12h39m 1755d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1653 16m 2029d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4134 4d11h 2319d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2528 1d12h 2324d
corrupted report (2) mm block -1 1097963 9m 2927d