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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 2d11h 3d22h 💬 16 [2d16h]
general protection fault in zap_huge_pmd mm 2 C 7 3d02h 4d14h 💬 9 [3d19h]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 1 10d 6d19h 💬 3 [6d14h]
possible deadlock in mfill_get_vma mm 4 C 286 2d13h 7d10h PATCH [7d02h]
WARNING: suspicious RCU usage in usb_tx_block mm 4 2 15d 14d
WARNING in create_strip_zones mm -1 5 18d 14d PATCH [1d23h]
INFO: rcu detected stall in __dentry_kill mm 1 58 1h21m 19d
possible deadlock in lock_mm_and_find_vma (4) mm 4 151 36m 24d 💬 2 [24d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 30d 26d
WARNING in __kfence_free (4) kasan mm -1 1 31d 27d
WARNING in __put_task_struct (6) mm -1 2 4d13h 27d
kernel BUG in __page_table_check_zero (3) mm -1 100 1h19m 32d
INFO: rcu detected stall in sendfile64 mm 1 32 15d 36d
kernel BUG in __khugepaged_enter mm -1 5 39d 36d 💬 4 [33d]
KMSAN: uninit-value in follow_page_pte mm 7 1 41d 37d 💬 1 [33d]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 39d 38d 💬 6 [37d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 42d 41d 💬 22 [2d18h]
BUG: Bad rss-counter state (6) mm -1 97 1d06h 43d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) mm cgroups 17 3 17d 44d 💬 3 [37d]
kernel BUG in page_table_check_set (2) mm -1 251 2h09m 45d 💬 1 [43d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 56d 55d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 17139 6d10h 57d 💬 3 [32d]
WARNING in unlink_anon_vmas (2) mm -1 C error 29 18h24m 63d PATCH [63d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 68d 64d 💬 8 [60d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 60d 66d PATCH [62d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 5 36d 67d 💬 9 [66d]
WARNING in xfs_buf_alloc mm -1 1 77d 73d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 42d 77d
possible deadlock in flush_end_io fs mm 4 391 41d 83d
KMSAN: uninit-value in __sigqueue_free mm cgroups 7 1 87d 83d PATCH [46d]
KMSAN: uninit-value in swap_writeout mm 7 8 46d 90d PATCH [75d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 16 1d09h 91d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 22h30m 93d
INFO: rcu detected stall in sys_signalfd4 (2) mm cgroups 1 syz 1 96d 95d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 62d 98d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 15d 104d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 73d 105d PATCH [70d]
WARNING in sched_mm_cid_fork fs mm -1 C error error 332 47d 110d PATCH [88d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 9 15d 115d
WARNING in __page_table_check_ptes_set (3) mm -1 6 1d07h 129d
general protection fault in __rt_mutex_slowlock_locked mm 2 11 6d17h 131d
kernel BUG in filemap_fault (3) mm net -1 C error error 15 48d 144d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 70d 146d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 76 13d 152d
general protection fault in call_timer_fn (2) no-reminders mm 19 13 12d 159d
INFO: task hung in migrate_pages_batch (4) mm 1 112 3d11h 159d
possible deadlock in hugetlb_vma_lock_read mm 4 4 98d 164d
WARNING in path_noexec (2) fs mm -1 C error 20659 34m 173d PATCH [163d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 22d 188d PATCH [179d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 21d 193d PATCH [190d]
INFO: rcu detected stall in sys_madvise (2) mm 1 50 2d20h 204d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 16 5d20h 206d PATCH [61d]
WARNING in __alloc_skb (4) mm -1 C 8 9d19h 207d PATCH [183d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 41d 207d 💬 1 [207d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 68d 213d 💬 7 [93d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 54d 230d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 61d 245d 💬 2 [244d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 52 4d22h 249d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 82d 270d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 434 10h50m 274d 💬 1 [237d]
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 68d 312d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 77d 314d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 16 6d17h 322d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 71d 325d
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 1714 10h30m 332d PATCH [95d]
BUG: soft lockup in sys_bpf mm 1 C error 127 5h14m 333d
INFO: task hung in page_cache_ra_order mm fs 1 C done 90 2h52m 334d 💬 1 [333d]
INFO: rcu detected stall in clone (7) mm 1 94 2d16h 361d
INFO: task hung in rmap_walk_file mm 1 C error error 19 68d 408d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 74d 422d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 10d 443d
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done error 3 66d 456d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 86d 468d 💬 6 [378d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 53 6d08h 469d 💬 2 [216d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 439d 473d 💬 1 [430d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 89 3d13h 474d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 109 2d00h 477d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 54d 482d 💬 7 [125d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 57 1d00h 482d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 66 4d02h 482d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 41d 485d PATCH [72d]
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 1 syz error 126 16h55m 486d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 113 15d 497d
INFO: rcu detected stall in brk (2) mm 1 syz 2 445d 507d 💬 8 [506d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 112 3d23h 509d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 45 13d 520d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 117d 522d 💬 1 [521d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 235d 523d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 107 3d00h 527d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 79 28d 535d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 32d 540d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 220 1d17h 549d PATCH [531d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 77 12d 551d
INFO: rcu detected stall in x64_sys_call mm 1 C error 512 3d15h 559d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 366d 560d 💬 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 359d 565d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done error 3651 59d 567d 💬 1 [62d]
INFO: rcu detected stall in kcov_close mm 1 185 1d23h 587d
kernel panic: System is deadlocked on memory (2) mm 2 130 20h29m 587d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 17d 588d PATCH [531d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 81 1d07h 634d PATCH [415d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 686 7h52m 659d
WARNING in shmem_evict_inode (3) mm -1 71 4d11h 667d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 17d 667d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 348 2d07h 670d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 87d 679d 💬 5 [621d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 611d 718d 💬 2 [597d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 390 19h47m 724d 💬 10 [270d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 105d 761d
BUG: soft lockup in pipe_read fs mm 1 syz 5 410d 788d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 687 2d07h 803d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 235 5d04h 824d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 210 5h00m 843d 💬 6 [839d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 578d 860d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 619d 900d PATCH [240d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 9d15h 928d 💬 4 [157d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 555 14h04m 931d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 360 4d08h 952d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 946 5h10m 1063d PATCH [1h32m]
possible deadlock in filemap_fault mm 4 C done 3032 23h10m 1235d 💬 4 [32d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 511 12d 1245d 💬 1 [94d]
memory leak in xas_create mm 3 C 36 13d 1352d PATCH [118d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25869 3d20h 1457d 💬 2 [32d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1003d 1505d 💬 3 [990d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1679d 2032d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1349d 2246d 💬 2 [2140d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 1 1d03h 1d03h
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 6d02h 6d02h
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) mm fs 6 1 10d 10d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) fs mm -1 2 3d02h 18d
KCSAN: data-race in munlock_folio / need_mlock_drain (8) mm 6 1 30d 30d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) fs mm 6 2 1d12h 33d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (4) mm 6 1 37d 37d
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 33d 38d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 43d 43d
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 49d 49d
KCSAN: data-race in copy_mm / mas_wmb_replace race:benign mm 6 2 41d 57d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 16d 63d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 37 2d21h 64d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 21d 66d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 2 31d 72d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 61d 83d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 25d 87d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 22d 99d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 5 31d 132d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 7 10d 135d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 40d 177d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 21 3h40m 189d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 9 24d 194d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm 6 17 3d17h 198d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 23 15d 242d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 123 2d12h 330d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 384 5h41m 331d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 26d 342d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 142 2d02h 356d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 136 3d18h 486d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 491 9h08m 487d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 909 1d13h 489d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 112 13d 522d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 184 2d19h 625d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 192 3d08h 626d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 135 19h08m 627d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 850 2d00h 684d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 88 30d 711d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 198 5d23h 714d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 164 14d 834d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2503 8h38m 835d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 954 23m 1536d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1790 12h35m 1559d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5175 9h16m 1730d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1645 3d23h 2004d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4125 6d00h 2294d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2510 4d13h 2300d