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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 7d20h 3d19h 💬 1 [3d19h]
WARNING: bad unlock balance in lruvec_stat_mod_folio mm cgroups 4 1 9d01h 5d01h 💬 1 [5d01h]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm 19 8 11d 12d 💬 3 [12d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 5 13d 13d
WARNING in page_counter_uncharge (2) mm cgroups -1 C error 5 8d08h 15d PATCH [12d]
kernel BUG in collapse_scan_file mm -1 C error 967 23d 24d 💬 16 [23d]
general protection fault in zap_huge_pmd mm 2 C 7 23d 25d 💬 9 [24d]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 3 2d08h 27d 💬 3 [27d]
possible deadlock in mfill_get_vma mm 4 C 286 23d 28d PATCH [27d]
WARNING: suspicious RCU usage in usb_tx_block mm 4 4 1d12h 34d
INFO: rcu detected stall in __dentry_kill mm 1 74 43m 40d
possible deadlock in lock_mm_and_find_vma (4) mm 4 758 1h26m 45d 💬 2 [45d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 51d 47d
WARNING in __kfence_free (4) kasan mm -1 1 51d 47d
WARNING in __put_task_struct (6) mm -1 5 1d02h 48d
kernel BUG in __page_table_check_zero (3) mm -1 165 26m 52d
INFO: rcu detected stall in sendfile64 mm 1 35 2d07h 56d
kernel BUG in __khugepaged_enter mm -1 5 59d 57d 💬 4 [54d]
KMSAN: uninit-value in follow_page_pte mm 7 1 62d 58d PATCH [12d]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 59d 59d 💬 6 [58d]
memory leak in __kfree_rcu_sheaf mm exfat f2fs 3 syz 1 63d 62d 💬 22 [23d]
BUG: Bad rss-counter state (6) mm -1 97 21d 63d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 4 2d05h 65d 💬 3 [1d12h]
kernel BUG in page_table_check_set (2) mm -1 469 8m 65d 💬 1 [64d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 77d 75d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 17139 27d 77d 💬 3 [20d]
WARNING in unlink_anon_vmas (2) mm -1 C error 30 20d 84d PATCH [84d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 80d 86d PATCH [82d]
WARNING in xfs_buf_alloc mm -1 1 97d 93d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 63d 97d
possible deadlock in flush_end_io fs mm 4 391 62d 104d
KMSAN: uninit-value in swap_writeout mm 7 8 66d 111d PATCH [95d]
INFO: rcu detected stall in sys_newfstat (4) mm 1 C error 18 3d10h 111d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 21d 114d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 83d 118d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 35d 125d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 93d 126d PATCH [91d]
WARNING in sched_mm_cid_fork mm fs -1 C error error 332 68d 130d PATCH [109d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 10 15d 136d
WARNING in __page_table_check_ptes_set (3) mm -1 6 21d 150d
general protection fault in __rt_mutex_slowlock_locked mm 2 22 1d19h 151d
kernel BUG in filemap_fault (3) net mm -1 C error error 15 69d 165d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 91d 166d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 78 9d23h 172d
general protection fault in call_timer_fn (2) no-reminders mm 19 14 5d05h 179d
INFO: task hung in migrate_pages_batch (4) mm 1 120 2d05h 180d
WARNING in path_noexec (2) fs mm -1 C error 23319 1h41m 193d PATCH [183d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 43d 209d PATCH [199d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 42d 214d PATCH [211d]
INFO: rcu detected stall in sys_madvise (2) mm 1 52 8d12h 224d
INFO: task hung in writeback_iter (3) fs mm 1 C error error 18 13h11m 227d PATCH [81d]
WARNING in __alloc_skb (4) mm -1 C 8 30d 227d PATCH [203d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 61d 228d 💬 1 [227d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 89d 233d 💬 7 [113d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 5d09h 251d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 32d 257d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 82d 266d 💬 2 [265d]
INFO: rcu detected stall in sock_close (5) tipc fs mm 1 syz error 54 2d04h 270d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 102d 290d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 465 9h53m 295d 💬 1 [257d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 10 3d19h 317d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 55 3d14h 332d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error error 3 98d 335d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 16 27d 343d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 92d 346d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 5d11h 352d
kernel BUG in __filemap_add_folio fs mm -1 C done 1890 43m 352d PATCH [115d]
BUG: soft lockup in sys_bpf mm 1 C error 129 6d00h 354d
INFO: task hung in page_cache_ra_order mm fs 1 C done 97 2d03h 355d 💬 1 [354d]
INFO: rcu detected stall in clone (7) mm 1 99 9h56m 381d
INFO: task hung in rmap_walk_file mm 1 C error error 19 89d 429d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 95d 442d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 31d 463d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done error 3 87d 477d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 107d 489d 💬 6 [398d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 53 26d 490d 💬 2 [236d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 460d 493d 💬 1 [451d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm fs 1 syz error 90 16d 494d
INFO: rcu detected stall in sys_sendmmsg (7) mm net 1 112 3d23h 498d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 75d 502d 💬 7 [146d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 59 7d08h 503d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 68 4d17h 503d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 62d 506d PATCH [93d]
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 130 5d02h 506d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 114 6d08h 518d
INFO: rcu detected stall in brk (2) mm 1 syz 2 465d 528d 💬 8 [527d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 113 12d 529d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 47 10d 541d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 138d 543d 💬 1 [542d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 255d 544d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 109 12d 548d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 80 8d11h 556d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 52d 561d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 227 1d05h 570d PATCH [552d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done error 77 33d 572d
INFO: rcu detected stall in x64_sys_call mm 1 C error 523 7h33m 579d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 386d 580d 💬 4 [541d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 62d 581d 💬 3 [171d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 380d 585d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 79d 587d 💬 1 [83d]
INFO: rcu detected stall in kcov_close mm 1 188 1d09h 608d
kernel panic: System is deadlocked on memory (2) mm 2 138 1d08h 608d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 37d 609d PATCH [552d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 81 7d19h 654d PATCH [436d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 698 2d01h 680d
WARNING in shmem_evict_inode (3) mm -1 80 15h19m 687d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 37d 688d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 352 22h48m 691d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 108d 700d 💬 5 [642d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 632d 738d 💬 2 [618d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 403 8h57m 744d 💬 10 [291d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 126d 782d
BUG: soft lockup in pipe_read fs mm 1 syz 5 431d 808d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 689 7d02h 824d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 236 19d 845d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 221 2d22h 864d 💬 6 [859d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 598d 880d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 130 20h49m 883d 💬 1 [45d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 640d 921d PATCH [261d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 30d 949d 💬 4 [178d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 564 8h23m 952d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 368 1d09h 972d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 966 2d22h 1084d PATCH [20d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 518 2d08h 1265d 💬 1 [115d]
memory leak in xas_create mm 3 C 39 1d02h 1373d PATCH [139d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25870 2d00h 1478d 💬 2 [20d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1024d 1525d 💬 3 [1011d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1700d 2052d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1369d 2267d 💬 2 [2161d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs 6 1 7d03h 7d03h
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 2 17d 21d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 26d 26d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) fs mm 6 1 31d 31d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) mm fs -1 3 19d 39d
KCSAN: data-race in munlock_folio / need_mlock_drain (8) mm 6 1 50d 50d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) fs mm 6 2 22d 53d
KCSAN: data-race in generic_fillattr / shmem_symlink (6) mm 6 3 53d 59d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 37d 84d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 49 1d16h 85d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 41d 86d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 2 52d 92d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 46d 107d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 42d 119d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 5 52d 152d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 7 31d 156d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 23 1d00h 210d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 9 45d 214d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 17 24d 219d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm 6 26 58m 262d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 140 6d22h 312d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 128 1d16h 350d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 412 53m 351d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 46d 362d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 145 12d 377d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 144 1d00h 506d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 511 5h55m 508d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 921 8d18h 509d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 113 3d02h 542d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 192 1d09h 646d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 196 9d12h 646d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 141 1d18h 648d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 853 10d 705d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 89 5d11h 731d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 200 5h59m 734d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) mm 6 168 2d17h 854d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2562 1d00h 855d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 959 3d22h 1556d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1824 17h10m 1580d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 5225 6h33m 1751d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1651 7d15h 2025d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4134 5h43m 2314d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2527 1d23h 2320d
corrupted report (2) mm block -1 1095732 now 2923d