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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 405
Parent subsystem(s): kernel (90)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in rhashtable_free_and_destroy mm 4 1 4d00h 13h31m 💬 2 [3h44m]
BUG: sleeping function called from invalid context in __zap_vma_range mm 5 1 1d17h 1d07h 💬 2 [8h09m]
WARNING in vma_mark_detached mm -1 C error 6 4d02h 1d07h PATCH [18h03m]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm 6 7 20h23m 4d19h 💬 4 [1d09h]
INFO: rcu detected stall in kcov_ioctl (3) mm 1 30 17d 13d 💬 1 [13d]
WARNING: bad unlock balance in lruvec_stat_mod_folio mm cgroups 4 1 18d 14d PATCH [6d12h]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm 19 8 20d 21d 💬 3 [21d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 C error 1721 now 22d
WARNING in page_counter_uncharge (2) mm cgroups -1 C error 7 5d22h 24d PATCH [22d]
kernel BUG in collapse_scan_file mm -1 C error 967 32d 33d 💬 16 [32d]
general protection fault in zap_huge_pmd mm 2 C 7 33d 34d 💬 9 [33d]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 6 31m 36d 💬 3 [36d]
possible deadlock in mfill_get_vma mm 4 C 286 32d 37d PATCH [37d]
WARNING: suspicious RCU usage in usb_tx_block mm 4 4 10d 44d
INFO: rcu detected stall in __dentry_kill mm 1 87 10h09m 49d
possible deadlock in lock_mm_and_find_vma (4) mm 4 923 58m 54d 💬 2 [54d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 60d 56d
WARNING in __kfence_free (4) mm kasan -1 1 61d 57d
WARNING in __put_task_struct (6) mm -1 5 10d 57d
kernel BUG in __page_table_check_zero (3) mm -1 195 2d02h 62d
INFO: rcu detected stall in sendfile64 mm 1 36 6d23h 66d
kernel BUG in __khugepaged_enter mm -1 5 69d 66d 💬 4 [63d]
KMSAN: uninit-value in follow_page_pte mm 7 1 71d 67d PATCH [9d02h]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 69d 68d 💬 6 [67d]
memory leak in __kfree_rcu_sheaf mm exfat f2fs 3 syz 1 72d 71d 💬 22 [32d]
BUG: Bad rss-counter state (6) mm -1 98 6d12h 73d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 4 11d 74d 💬 3 [10d]
kernel BUG in page_table_check_set (2) mm -1 528 7h15m 75d 💬 1 [73d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 86d 85d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 17139 36d 87d 💬 3 [29d]
WARNING in unlink_anon_vmas (2) mm -1 C error 30 29d 93d PATCH [93d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 90d 96d PATCH [92d]
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 72d 107d
KMSAN: uninit-value in swap_writeout mm 7 8 76d 120d PATCH [105d]
INFO: rcu detected stall in sys_newfstat (4) mm 1 C error 20 1d14h 121d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 30d 123d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 92d 128d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 45d 134d
WARNING in sched_mm_cid_fork mm fs -1 C error error 332 77d 139d PATCH [118d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 10 25d 145d
WARNING in __page_table_check_ptes_set (3) mm -1 6 31d 159d
general protection fault in __rt_mutex_slowlock_locked mm 2 24 8d05h 161d
kernel BUG in filemap_fault (3) net mm -1 C error error 15 78d 174d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 100d 176d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 78 19d 182d
general protection fault in call_timer_fn (2) no-reminders mm 19 15 5d15h 189d
INFO: task hung in migrate_pages_batch (4) mm 1 120 11d 189d
WARNING in path_noexec (2) fs mm -1 C error 24190 1h33m 203d PATCH [193d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 52d 218d PATCH [209d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 51d 223d PATCH [220d]
INFO: rcu detected stall in sys_madvise (2) mm 1 54 1d05h 234d
INFO: task hung in writeback_iter (3) fs mm 1 C error error 18 9d22h 236d PATCH [91d]
WARNING in __alloc_skb (4) mm -1 C 8 39d 237d PATCH [213d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 28 7d06h 237d 💬 1 [237d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 42 1d06h 243d 💬 7 [123d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 14d 260d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 42d 267d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 91d 275d 💬 2 [274d]
INFO: rcu detected stall in sock_close (5) tipc fs mm 1 syz error 56 7h30m 279d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 112d 300d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 476 4h13m 304d 💬 1 [267d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 10 13d 326d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 55 12d 342d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error error 3 107d 344d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error error 16 36d 352d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 101d 355d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 19h27m 361d
kernel BUG in __filemap_add_folio fs mm -1 C done 1919 1h19m 362d PATCH [125d]
BUG: soft lockup in sys_bpf mm 1 C error 135 11h43m 363d
INFO: task hung in page_cache_ra_order mm fs 1 C done 97 11d 364d 💬 1 [363d]
INFO: rcu detected stall in clone (7) mm 1 99 9d19h 391d
INFO: task hung in rmap_walk_file mm 1 C error error 19 98d 438d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 104d 452d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 40d 473d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done error 3 96d 486d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 116d 498d 💬 6 [408d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 54 7d20h 499d 💬 2 [246d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 469d 503d 💬 1 [460d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm fs 1 syz error 90 25d 504d
INFO: rcu detected stall in sys_sendmmsg (7) mm net 1 114 4d19h 507d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 84d 512d 💬 7 [155d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 60 7d00h 512d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 70 2d06h 512d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 71d 515d PATCH [102d]
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 131 7d19h 516d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 115 3d13h 527d
INFO: rcu detected stall in brk (2) mm 1 syz 3 7d00h 537d 💬 8 [536d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 113 22d 539d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 47 19d 550d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 147d 552d 💬 1 [551d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 265d 553d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 109 22d 557d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 81 5d22h 565d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 62d 570d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 231 2h48m 579d PATCH [561d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done error 77 42d 581d
INFO: rcu detected stall in x64_sys_call mm 1 C error 529 11h26m 589d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 396d 590d 💬 4 [550d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 71d 590d 💬 3 [180d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 389d 595d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 89d 597d 💬 1 [92d]
INFO: rcu detected stall in kcov_close mm 1 190 1d09h 617d
kernel panic: System is deadlocked on memory (2) mm 2 143 3d05h 617d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 46d 618d PATCH [561d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 81 2d23h 664d PATCH [445d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 701 7d19h 689d
WARNING in shmem_evict_inode (3) mm -1 82 1d00h 697d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 47d 697d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 358 3h27m 700d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 117d 709d 💬 5 [651d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 641d 748d 💬 2 [627d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 405 2d15h 754d 💬 10 [300d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 135d 791d
BUG: soft lockup in pipe_read fs mm 1 syz 5 440d 818d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 689 2d08h 833d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 238 8h18m 854d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 225 1d01h 873d 💬 6 [869d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 608d 890d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 136 3h50m 893d 💬 1 [54d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 649d 930d PATCH [270d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 39d 958d 💬 4 [187d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 571 1d03h 961d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 369 1d14h 982d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 975 6h25m 1093d PATCH [29d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 522 1d19h 1275d 💬 1 [124d]
memory leak in xas_create mm 3 C 39 10d 1382d PATCH [148d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25876 2d08h 1487d 💬 2 [29d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1033d 1534d 💬 3 [1020d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1709d 2062d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1379d 2276d 💬 2 [2170d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm 6 4 7h46m 4d17h
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm 6 4 2d03h 5d21h
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs 6 2 7d18h 16d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 2 26d 31d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 36d 36d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) fs mm 6 1 40d 40d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) mm fs -1 3 28d 48d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs 6 2 31d 63d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 46d 93d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 55 23h58m 94d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 51d 96d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 55d 117d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 52d 129d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 8 3d22h 165d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 23 10d 219d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 9 54d 224d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 19 4d08h 228d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm 6 28 5d13h 272d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 140 16d 321d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 131 6d23h 360d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 414 6d08h 361d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 145 21d 386d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 147 3d08h 516d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 524 3h25m 517d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 921 18d 519d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 114 2d06h 552d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 197 19h48m 655d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 199 3d06h 656d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 144 1d21h 657d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 853 20d 714d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 89 14d 741d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 200 9d15h 744d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) mm 6 168 12d 864d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2577 1h26m 865d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 960 1d19h 1566d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1842 10h30m 1589d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 5246 10h29m 1760d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1653 5d03h 2034d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4135 2d17h 2324d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2530 2d23h 2330d
corrupted report (2) mm block -1 1100717 now 2932d