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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 1d00h 2d11h 💬 16 [1d05h]
general protection fault in zap_huge_pmd mm 2 C 7 1d15h 3d03h 💬 9 [2d08h]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 1 9d08h 5d08h 💬 3 [5d03h]
possible deadlock in mfill_get_vma mm 4 C 286 1d02h 5d23h PATCH [5d15h]
WARNING: suspicious RCU usage in usb_tx_block mm 4 2 14d 12d
WARNING in create_strip_zones mm -1 5 16d 13d PATCH [11h57m]
INFO: rcu detected stall in __dentry_kill mm 1 54 2h39m 18d
possible deadlock in lock_mm_and_find_vma (4) mm 4 87 13m 23d 💬 2 [23d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 29d 25d
WARNING in __kfence_free (4) kasan mm -1 1 29d 25d
WARNING in __put_task_struct (6) mm -1 2 3d02h 25d
kernel BUG in __page_table_check_zero (3) mm -1 82 5d11h 30d
INFO: rcu detected stall in sendfile64 mm 1 32 14d 34d
kernel BUG in __khugepaged_enter mm -1 5 37d 35d 💬 4 [32d]
KMSAN: uninit-value in follow_page_pte mm 7 1 40d 36d 💬 1 [31d]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 37d 36d 💬 6 [36d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 41d 40d 💬 22 [1d07h]
BUG: Bad rss-counter state (6) mm -1 96 5d23h 41d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) mm cgroups 17 3 16d 43d 💬 3 [36d]
kernel BUG in page_table_check_set (2) mm -1 207 5d11h 43d 💬 1 [42d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 55d 53d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 17139 4d23h 55d 💬 3 [31d]
WARNING in unlink_anon_vmas (2) mm -1 C error 27 1d05h 62d PATCH [62d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 66d 63d 💬 8 [59d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 58d 64d PATCH [60d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 5 35d 66d 💬 9 [65d]
WARNING in xfs_buf_alloc mm -1 1 75d 71d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 41d 75d
possible deadlock in flush_end_io fs mm 4 391 40d 82d
KMSAN: uninit-value in __sigqueue_free mm cgroups 7 1 86d 82d PATCH [44d]
KMSAN: uninit-value in swap_writeout mm 7 8 44d 89d PATCH [73d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 15 10d 89d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 45 2d15h 92d
INFO: rcu detected stall in sys_signalfd4 (2) mm cgroups 1 syz 1 95d 94d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 61d 96d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 13d 103d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 71d 104d PATCH [69d]
WARNING in sched_mm_cid_fork fs mm -1 C error error 332 46d 108d PATCH [87d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 9 13d 114d
WARNING in __page_table_check_ptes_set (3) mm -1 5 33d 128d
general protection fault in __rt_mutex_slowlock_locked mm 2 11 5d06h 129d
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 144d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 76 12d 150d
general protection fault in call_timer_fn (2) no-reminders mm 19 13 10d 157d
INFO: task hung in migrate_pages_batch (4) mm 1 112 2d00h 158d
possible deadlock in hugetlb_vma_lock_read mm 4 4 97d 163d
WARNING in path_noexec (2) fs mm -1 C error 20579 12m 171d PATCH [161d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 21d 187d PATCH [177d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 20d 192d PATCH [189d]
INFO: rcu detected stall in sys_madvise (2) mm 1 50 1d09h 202d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 16 4d09h 205d PATCH [59d]
WARNING in __alloc_skb (4) mm -1 C 8 8d08h 205d PATCH [181d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 39d 206d 💬 1 [205d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 67d 211d 💬 7 [91d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 53d 229d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 60d 244d 💬 2 [243d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 52 3d10h 248d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 80d 268d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 432 13h24m 273d 💬 1 [235d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 9 40d 295d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 54 66d 310d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 76d 313d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 16 5d06h 320d
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 39d 330d
kernel BUG in __filemap_add_folio fs mm -1 C done 1707 3h03m 330d PATCH [93d]
BUG: soft lockup in sys_bpf mm 1 C error 126 2h24m 332d
INFO: task hung in page_cache_ra_order mm fs 1 C done 89 3d09h 332d 💬 1 [332d]
INFO: rcu detected stall in clone (7) mm 1 94 1d05h 359d
INFO: task hung in rmap_walk_file mm 1 C error error 19 67d 407d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 73d 420d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 9d06h 441d
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done error 3 65d 455d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 85d 467d 💬 6 [376d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 53 4d21h 468d 💬 2 [214d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 438d 471d 💬 1 [429d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 89 2d02h 472d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 109 13h24m 476d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 53d 480d 💬 7 [124d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 56 1d20h 481d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 66 2d15h 481d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 40d 484d PATCH [71d]
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 1 syz error 125 1d17h 484d
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 443d 506d 💬 8 [505d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 112 2d12h 507d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 45 11d 519d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 116d 521d 💬 1 [520d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 233d 522d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 107 1d12h 526d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 79 27d 534d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 30d 539d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 220 6h08m 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 2d04h 557d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 364d 558d 💬 4 [519d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 40d 559d 💬 3 [149d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 358d 563d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done error 3651 57d 565d 💬 1 [61d]
INFO: rcu detected stall in kcov_close mm 1 185 12h32m 586d
kernel panic: System is deadlocked on memory (2) mm 2 129 3d04h 586d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 15d 587d PATCH [530d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 80 3d13h 632d PATCH [414d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 683 58m 658d
WARNING in shmem_evict_inode (3) mm -1 71 3d00h 665d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 15d 666d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 348 20h51m 668d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 86d 678d 💬 5 [620d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 610d 716d 💬 2 [596d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 389 4d10h 722d 💬 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 786d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 687 20h13m 802d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 235 3d17h 823d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 209 10h17m 842d 💬 6 [837d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 576d 858d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 618d 899d PATCH [239d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 8d04h 926d 💬 4 [156d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 553 11h51m 930d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 360 2d21h 950d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 945 2d04h 1062d 💬 6 [31d]
possible deadlock in filemap_fault mm 4 C done 3031 3d22h 1233d 💬 4 [31d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 511 10d 1243d 💬 1 [93d]
memory leak in xas_create mm 3 C 36 11d 1351d PATCH [117d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25869 2d09h 1456d 💬 2 [31d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1001d 1503d 💬 3 [989d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1678d 2030d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1347d 2245d 💬 2 [2139d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 4d15h 4d15h
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) mm fs 6 1 9d00h 9d00h
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) fs mm -1 2 1d15h 17d
KCSAN: data-race in munlock_folio / need_mlock_drain (8) mm 6 1 28d 28d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) fs mm 6 2 1h43m 31d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (4) mm 6 1 35d 35d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (4) mm -1 1 36d 36d
KCSAN: data-race in generic_fillattr / shmem_symlink (6) mm 6 3 31d 37d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 41d 41d
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 47d 47d
KCSAN: data-race in copy_mm / mas_wmb_replace race:benign mm 6 2 40d 56d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 15d 61d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 37 1d10h 63d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 19d 64d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 2 30d 70d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 60d 81d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 24d 85d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 20d 97d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 5 30d 130d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 7 9d03h 134d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 38d 175d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 20 1d17h 188d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 9 23d 192d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm 6 17 2d06h 197d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 23 13d 240d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 123 1d01h 328d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 381 8h35m 329d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 24d 340d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 142 15h23m 355d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 136 2d07h 484d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 489 8h28m 486d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 909 2h19m 487d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 112 11d 520d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 184 1d08h 624d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 192 1d21h 624d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 134 7h56m 626d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 850 13h13m 683d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 88 28d 709d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 198 4d12h 712d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 164 13d 832d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2496 13h13m 833d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 953 11d 1534d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1788 2h39m 1558d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5172 13h29m 1728d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1645 2d11h 2003d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4125 4d13h 2292d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2510 3d01h 2298d