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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 403
Parent subsystem(s): kernel (91)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in collapse_scan_file mm -1 C error 967 1d14h 3d02h 💬 16 [1d20h]
general protection fault in zap_huge_pmd mm 2 C 7 2d06h 3d18h 💬 9 [2d23h]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 1 9d23h 5d22h 💬 3 [5d18h]
possible deadlock in mfill_get_vma mm 4 C 286 1d17h 6d14h PATCH [6d06h]
WARNING: suspicious RCU usage in usb_tx_block mm 4 2 15d 13d
WARNING in create_strip_zones mm -1 5 17d 13d PATCH [1d02h]
INFO: rcu detected stall in __dentry_kill mm 1 55 7h55m 19d
possible deadlock in lock_mm_and_find_vma (4) mm 4 117 9m 23d 💬 2 [23d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 30d 26d
WARNING in __kfence_free (4) kasan mm -1 1 30d 26d
WARNING in __put_task_struct (6) mm -1 2 3d16h 26d
kernel BUG in __page_table_check_zero (3) mm -1 84 10h41m 31d
INFO: rcu detected stall in sendfile64 mm 1 32 14d 35d
kernel BUG in __khugepaged_enter mm -1 5 38d 35d 💬 4 [32d]
KMSAN: uninit-value in follow_page_pte mm 7 1 40d 36d 💬 1 [32d]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 38d 37d 💬 6 [36d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 41d 40d 💬 22 [1d22h]
BUG: Bad rss-counter state (6) mm -1 97 10h37m 42d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) mm cgroups 17 3 16d 44d 💬 3 [36d]
kernel BUG in page_table_check_set (2) mm -1 223 46m 44d 💬 1 [42d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 56d 54d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 17139 5d14h 56d 💬 3 [31d]
WARNING in unlink_anon_vmas (2) mm -1 C error 28 14h15m 63d PATCH [62d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 67d 63d 💬 8 [59d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 59d 65d PATCH [61d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 5 36d 66d 💬 9 [65d]
WARNING in xfs_buf_alloc mm -1 1 76d 72d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 41d 76d
possible deadlock in flush_end_io fs mm 4 391 41d 82d
KMSAN: uninit-value in __sigqueue_free mm cgroups 7 1 87d 82d PATCH [45d]
KMSAN: uninit-value in swap_writeout mm 7 8 45d 89d PATCH [74d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 16 13h22m 90d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 2h22m 92d
INFO: rcu detected stall in sys_signalfd4 (2) mm cgroups 1 syz 1 96d 94d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 61d 97d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 14d 104d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 72d 105d PATCH [69d]
WARNING in sched_mm_cid_fork fs mm -1 C error error 332 46d 109d PATCH [87d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 9 14d 114d
WARNING in __page_table_check_ptes_set (3) mm -1 6 11h33m 128d
general protection fault in __rt_mutex_slowlock_locked mm 2 11 5d21h 130d
kernel BUG in filemap_fault (3) mm net -1 C error error 15 47d 143d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 69d 145d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 76 12d 151d
general protection fault in call_timer_fn (2) no-reminders mm 19 13 11d 158d
INFO: task hung in migrate_pages_batch (4) mm 1 112 2d14h 158d
possible deadlock in hugetlb_vma_lock_read mm 4 4 97d 163d
WARNING in path_noexec (2) fs mm -1 C error 20642 5m 172d PATCH [162d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 22d 188d PATCH [178d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 21d 192d PATCH [190d]
INFO: rcu detected stall in sys_madvise (2) mm 1 50 2d00h 203d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 16 5d00h 205d PATCH [60d]
WARNING in __alloc_skb (4) mm -1 C 8 8d23h 206d PATCH [182d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 40d 206d 💬 1 [206d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 67d 212d 💬 7 [92d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 54d 229d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 61d 244d 💬 2 [244d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 52 4d01h 248d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 81d 269d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 432 1d04h 273d 💬 1 [236d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 9 41d 296d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 54 67d 311d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 76d 314d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 16 5d21h 321d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 70d 324d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 40d 331d
kernel BUG in __filemap_add_folio fs mm -1 C done 1711 18m 331d PATCH [94d]
BUG: soft lockup in sys_bpf mm 1 C error 126 17h19m 333d
INFO: task hung in page_cache_ra_order mm fs 1 C done 89 4d00h 333d 💬 1 [333d]
INFO: rcu detected stall in clone (7) mm 1 94 1d20h 360d
INFO: task hung in rmap_walk_file mm 1 C error error 19 67d 408d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 73d 421d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 9d20h 442d
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done error 3 66d 455d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 86d 468d 💬 6 [377d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 53 5d12h 469d 💬 2 [215d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 438d 472d 💬 1 [429d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 89 2d16h 473d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 109 1d04h 476d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 54d 481d 💬 7 [125d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 57 4h15m 481d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 66 3d06h 482d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 40d 484d PATCH [72d]
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 1 syz error 125 2d08h 485d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 113 14d 496d
INFO: rcu detected stall in brk (2) mm 1 syz 2 444d 506d 💬 8 [505d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 112 3d02h 508d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 45 12d 519d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 117d 521d 💬 1 [520d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 234d 522d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 107 2d03h 527d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 79 27d 535d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 31d 539d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 220 21h03m 548d PATCH [530d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 77 11d 550d
INFO: rcu detected stall in x64_sys_call mm 1 C error 512 2d18h 558d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 365d 559d 💬 4 [520d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 41d 560d 💬 3 [150d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 358d 564d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done error 3651 58d 566d 💬 1 [62d]
INFO: rcu detected stall in kcov_close mm 1 185 1d03h 586d
kernel panic: System is deadlocked on memory (2) mm 2 130 21m 586d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 16d 588d PATCH [530d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 81 11h11m 633d PATCH [414d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 685 6h16m 658d
WARNING in shmem_evict_inode (3) mm -1 71 3d15h 666d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 16d 667d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 348 1d11h 669d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 86d 679d 💬 5 [621d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 610d 717d 💬 2 [596d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 389 5d01h 723d 💬 10 [269d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 104d 760d
BUG: soft lockup in pipe_read fs mm 1 syz 5 409d 787d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 687 1d11h 802d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 235 4d08h 823d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 209 1d01h 842d 💬 6 [838d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 577d 859d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 619d 899d PATCH [239d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 8d19h 927d 💬 4 [157d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 554 6h03m 930d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 360 3d12h 951d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 945 2d19h 1063d 💬 6 [31d]
possible deadlock in filemap_fault mm 4 C done 3032 3h02m 1234d 💬 4 [31d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 511 11d 1244d 💬 1 [93d]
memory leak in xas_create mm 3 C 36 12d 1352d PATCH [117d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25869 3d00h 1456d 💬 2 [31d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1002d 1504d 💬 3 [989d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1678d 2031d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1348d 2246d 💬 2 [2139d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 1 7h29m 7h28m
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 5d06h 5d06h
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) mm fs 6 1 9d15h 9d15h
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) fs mm -1 2 2d06h 17d
KCSAN: data-race in munlock_folio / need_mlock_drain (8) mm 6 1 29d 29d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) fs mm 6 2 16h38m 32d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (4) mm 6 1 36d 36d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (4) mm -1 1 37d 37d
KCSAN: data-race in generic_fillattr / shmem_symlink (6) mm 6 3 32d 38d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 42d 42d
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 48d 48d
KCSAN: data-race in copy_mm / mas_wmb_replace race:benign mm 6 2 40d 57d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 15d 62d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 37 2d01h 63d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 20d 65d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 2 31d 71d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 61d 82d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 25d 86d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 21d 98d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 5 31d 131d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 7 9d18h 135d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 39d 176d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 20 2d08h 188d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 9 23d 193d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm 6 17 2d21h 198d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 23 14d 241d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 123 1d16h 329d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 382 10h07m 330d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 25d 341d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 142 1d06h 355d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 136 2d22h 485d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 489 23h23m 487d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 909 17h14m 488d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 112 12d 521d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 184 1d23h 624d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 192 2d12h 625d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 134 22h51m 627d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 850 1d04h 684d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 88 29d 710d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 198 5d03h 713d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 164 13d 833d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2501 1h44m 834d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 953 12d 1535d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1789 12h19m 1558d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5173 12h42m 1729d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1645 3d02h 2004d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4125 5d04h 2293d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2510 3d16h 2299d