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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 400
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 557 now 1h49m 💬 4 [9m]
general protection fault in zap_huge_pmd mm 2 C 6 3d10h 18h06m 💬 8 [15m]
general protection fault in rwsem_mark_wake mm fs 2 C error 7748 now 1d15h PATCH [12h37m]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 1 6d22h 2d22h 💬 3 [2d18h]
WARNING in folio_add_new_anon_rmap mm -1 C error 14 5d02h 3d14h PATCH [2d22h]
possible deadlock in mfill_get_vma mm 4 C 250 3h04m 3d14h PATCH [3d05h]
WARNING: suspicious RCU usage in usb_tx_block mm 4 2 12d 10d
WARNING in create_strip_zones mm -1 5 14d 10d PATCH [10d]
INFO: rcu detected stall in __dentry_kill mm 1 52 5h22m 16d
possible deadlock in lock_mm_and_find_vma (4) mm 4 39 3h27m 20d 💬 2 [20d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 27d 23d
WARNING in __kfence_free (4) kasan mm -1 1 27d 23d
WARNING in __put_task_struct (6) mm -1 2 16h43m 23d
kernel BUG in __page_table_check_zero (3) mm -1 82 3d02h 28d
INFO: rcu detected stall in sendfile64 mm 1 32 11d 32d
kernel BUG in __khugepaged_enter mm -1 5 35d 32d 💬 4 [29d]
KMSAN: uninit-value in follow_page_pte mm 7 1 37d 33d 💬 1 [29d]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 35d 34d 💬 6 [33d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 38d 37d 💬 20 [1d04h]
BUG: Bad rss-counter state (6) mm -1 96 3d13h 39d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) mm cgroups 17 3 13d 41d 💬 3 [33d]
kernel BUG in page_table_check_set (2) mm -1 207 3d01h 41d 💬 1 [39d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 53d 51d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 17139 2d14h 53d 💬 3 [28d]
WARNING in unlink_anon_vmas (2) mm -1 C error 26 3d14h 60d PATCH [59d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 64d 60d 💬 8 [56d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 56d 62d PATCH [58d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 5 33d 63d 💬 9 [62d]
WARNING in xfs_buf_alloc mm -1 1 73d 69d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 38d 73d
possible deadlock in flush_end_io fs mm 4 391 38d 79d
KMSAN: uninit-value in __sigqueue_free mm cgroups 7 1 83d 79d PATCH [42d]
KMSAN: uninit-value in swap_writeout mm 7 8 42d 86d PATCH [71d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 15 8d01h 87d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 45 6h21m 89d
INFO: rcu detected stall in sys_signalfd4 (2) mm cgroups 1 syz 1 93d 91d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 58d 94d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 11d 101d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 69d 102d PATCH [66d]
WARNING in sched_mm_cid_fork fs mm -1 C error error 332 43d 106d PATCH [84d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 9 11d 111d
WARNING in __page_table_check_ptes_set (3) mm -1 5 31d 125d
general protection fault in __rt_mutex_slowlock_locked mm 2 11 2d20h 127d
kernel BUG in filemap_fault (3) mm net -1 C error error 15 44d 140d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 66d 142d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 76 9d16h 148d
general protection fault in call_timer_fn (2) no-reminders mm 19 13 8d14h 155d
INFO: task hung in migrate_pages_batch (4) mm 1 110 1d04h 155d
possible deadlock in hugetlb_vma_lock_read mm 4 4 94d 160d
WARNING in path_noexec (2) fs mm -1 C error 20275 8h54m 169d PATCH [159d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 19d 185d PATCH [175d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 18d 189d PATCH [187d]
INFO: rcu detected stall in sys_madvise (2) mm 1 49 5d11h 200d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 16 2d00h 202d PATCH [57d]
WARNING in __alloc_skb (4) mm -1 C 8 5d23h 203d PATCH [179d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 37d 203d 💬 1 [203d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 64d 209d 💬 7 [89d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 51d 226d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 58d 241d 💬 2 [241d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 52 1d01h 245d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 78d 266d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 428 1h22m 270d 💬 1 [233d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 9 38d 293d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 54 64d 308d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 73d 310d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 16 2d20h 318d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 67d 321d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 37d 328d
kernel BUG in __filemap_add_folio fs mm -1 C done 1694 4h56m 328d PATCH [91d]
BUG: soft lockup in sys_bpf mm 1 C error 125 11h57m 330d
INFO: task hung in page_cache_ra_order mm fs 1 C done 89 1d00h 330d 💬 1 [330d]
INFO: rcu detected stall in clone (7) mm 1 91 2d01h 357d
INFO: task hung in rmap_walk_file mm 1 C error error 19 64d 405d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 70d 418d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 6d20h 439d
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done error 3 63d 452d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 83d 464d 💬 6 [374d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 53 2d11h 466d 💬 2 [212d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 435d 469d 💬 1 [426d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 88 6d12h 470d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 106 2d05h 473d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 51d 478d 💬 7 [122d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 55 7d06h 478d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 66 6h07m 479d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 37d 481d PATCH [69d]
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 1 syz error 124 2d16h 482d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 113 11d 493d
INFO: rcu detected stall in brk (2) mm 1 syz 2 441d 503d 💬 8 [502d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 112 2h43m 505d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 45 9d13h 516d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 114d 518d 💬 1 [517d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 231d 519d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 105 2d13h 524d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 79 24d 532d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 28d 536d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 218 2d18h 545d PATCH [527d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 77 8d15h 547d
INFO: rcu detected stall in x64_sys_call mm 1 C error 511 3d02h 555d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 362d 556d 💬 4 [517d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 38d 557d 💬 3 [147d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 355d 561d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done error 3651 55d 563d 💬 1 [59d]
INFO: rcu detected stall in kcov_close mm 1 184 1d00h 583d
kernel panic: System is deadlocked on memory (2) mm 2 129 19h19m 583d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 13d 585d PATCH [527d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 80 1d03h 630d PATCH [411d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 681 1d18h 655d
WARNING in shmem_evict_inode (3) mm -1 71 14h50m 663d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 13d 664d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 347 3h54m 666d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 83d 675d 💬 5 [618d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 607d 714d 💬 2 [593d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 389 2d01h 720d 💬 10 [266d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 101d 757d
BUG: soft lockup in pipe_read fs mm 1 syz 5 406d 784d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 686 7d22h 799d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 235 1d08h 820d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 207 11h46m 839d 💬 6 [835d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 574d 856d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 616d 896d PATCH [236d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 5d19h 924d 💬 4 [154d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 551 3h29m 927d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 360 12h25m 948d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 943 15h55m 1060d 💬 6 [28d]
possible deadlock in filemap_fault mm 4 C done 3031 1d13h 1231d 💬 4 [28d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 511 8d04h 1241d 💬 1 [90d]
memory leak in xas_create mm 3 C 36 9d11h 1349d PATCH [114d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25869 12m 1453d 💬 2 [28d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 999d 1501d 💬 3 [986d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1675d 2028d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1345d 2243d 💬 2 [2136d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: lock held when returning to user space in lock_vma_under_rcu mm 4 1 4d20h 20h18m PATCH [2d15h]
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 2d06h 2d06h
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) mm fs 6 1 6d15h 6d15h
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) fs mm -1 1 14d 14d
KCSAN: data-race in munlock_folio / need_mlock_drain (8) mm 6 1 26d 26d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) fs mm 6 1 29d 29d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (4) mm 6 1 33d 33d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (4) mm -1 1 34d 34d
KCSAN: data-race in generic_fillattr / shmem_symlink (6) mm 6 3 29d 35d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 39d 39d
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 45d 45d
KCSAN: data-race in copy_mm / mas_wmb_replace race:benign mm 6 2 37d 54d
KCSAN: data-race in __se_sys_mremap / vms_complete_munmap_vmas race:benign mm 6 1 54d 54d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 12d 59d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 35 7d14h 60d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 17d 62d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 2 28d 68d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 58d 79d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 22d 83d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 18d 95d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 3 53d 97d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 5 28d 128d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 7 6d18h 132d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 36d 173d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 19 7d04h 185d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 9 20d 190d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm 6 16 6d19h 195d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 23 11d 238d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 122 8d09h 326d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 378 1h08m 327d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 22d 338d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 141 6d13h 352d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 135 7d02h 482d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 487 21h59m 484d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 908 16h39m 485d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 112 9d09h 518d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 182 1d06h 621d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 191 16h45m 622d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 132 6d20h 623d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 848 8d11h 681d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 88 26d 707d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 198 2d03h 710d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 164 10d 830d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2489 18h04m 831d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 953 9d10h 1532d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1784 5h32m 1555d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5166 8h07m 1726d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1645 2h39m 2001d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4125 2d03h 2290d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2510 16h41m 2296d