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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 398
Parent subsystem(s): kernel (88)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in lock_mm_and_find_vma (4) mm 4 1 8d14h 4d14h 💬 2 [4d10h]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 10d 6d20h
WARNING in __kfence_free (4) kasan mm -1 1 11d 7d00h
WARNING in __put_task_struct (6) mm -1 1 11d 7d10h
kernel BUG in __page_table_check_zero (3) mm -1 42 20h15m 12d
INFO: rcu detected stall in sendfile64 mm 1 31 6d19h 16d
kernel BUG in __khugepaged_enter mm -1 5 19d 16d 💬 4 [13d]
KMSAN: uninit-value in follow_page_pte mm 7 1 21d 17d 💬 1 [13d]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 19d 18d 💬 6 [17d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 22d 21d 💬 2 [20h15m]
BUG: Bad rss-counter state (6) mm -1 94 3d13h 23d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) mm cgroups 17 2 28d 24d 💬 3 [17d]
kernel BUG in page_table_check_set (2) mm -1 93 18h48m 25d 💬 1 [23d]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 36d 35d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 14408 now 37d 💬 3 [12d]
WARNING in unlink_anon_vmas (2) mm -1 C error 14 3h06m 43d PATCH [43d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 47d 44d 💬 8 [40d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 40d 46d PATCH [42d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 5 16d 47d 💬 9 [46d]
WARNING in xfs_buf_alloc mm -1 1 57d 53d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 22d 57d
possible deadlock in flush_end_io fs mm 4 391 21d 63d
KMSAN: uninit-value in __sigqueue_free mm cgroups 7 1 67d 63d PATCH [26d]
KMSAN: uninit-value in swap_writeout mm 7 8 26d 70d PATCH [55d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 13 9d14h 71d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 43 3d21h 73d
INFO: rcu detected stall in sys_signalfd4 (2) mm cgroups 1 syz 1 76d 75d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 42d 78d
WARNING in shrink_lruvec mm -1 1 87d 83d PATCH [73d]
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 3 31d 84d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 53d 85d PATCH [50d]
WARNING in sched_mm_cid_fork fs mm -1 C error 332 27d 89d PATCH [68d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 8 62d 95d
WARNING in __page_table_check_ptes_set (3) mm -1 5 15d 109d
general protection fault in __rt_mutex_slowlock_locked mm 2 10 5d21h 111d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 89d 117d 💬 2 [116d]
kernel BUG in filemap_fault (3) mm net -1 C error 15 28d 124d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 50d 126d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 74 1d02h 132d
general protection fault in call_timer_fn (2) no-reminders mm 19 12 2d01h 139d
INFO: task hung in migrate_pages_batch (4) mm 1 94 10h19m 139d
possible deadlock in hugetlb_vma_lock_read mm 4 4 78d 144d
WARNING in path_noexec (2) fs mm -1 C error 18910 1h20m 153d PATCH [143d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 2d20h 168d PATCH [159d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 1d21h 173d PATCH [170d]
INFO: rcu detected stall in sys_madvise (2) mm 1 45 2d14h 184d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 14 33d 186d PATCH [41d]
WARNING in __alloc_skb (4) mm -1 C 8 3d19h 187d PATCH [163d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 21d 187d 💬 1 [187d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 48d 193d 💬 7 [73d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 34d 210d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 41d 225d 💬 2 [224d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 48 10d 229d
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 62d 250d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 405 23h21m 254d 💬 1 [217d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 9 21d 276d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 54 48d 292d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 57d 294d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 14 23d 302d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 51d 305d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 20d 311d
kernel BUG in __filemap_add_folio fs mm -1 C done 1680 6h51m 312d PATCH [75d]
BUG: soft lockup in sys_bpf mm 1 C error 117 1d03h 313d
INFO: task hung in page_cache_ra_order mm fs 1 C done 85 8d06h 314d 💬 1 [313d]
INFO: rcu detected stall in clone (7) mm 1 88 1d20h 341d
INFO: task hung in rmap_walk_file mm 1 C error error 19 48d 388d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done done 27 94d 389d 💬 1 [62d]
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 54d 402d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 22 34d 423d
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done error 3 46d 436d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 66d 448d 💬 6 [358d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 51 2d05h 449d 💬 2 [196d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 419d 453d 💬 1 [410d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 85 25d 454d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 104 10d 457d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 34d 462d 💬 7 [105d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 51 29d 462d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 62 17d 462d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 21d 465d PATCH [52d]
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 1 syz error 121 2d17h 466d
kernel BUG in resv_map_release (3) mm -1 C inconclusive error 32 3d15h 475d 💬 1 [475d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 112 15d 477d
INFO: rcu detected stall in brk (2) mm 1 syz 2 425d 487d 💬 8 [486d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 109 1d07h 489d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 44 35d 500d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 97d 502d 💬 1 [501d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 215d 503d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 101 4d14h 507d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 79 8d12h 515d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 12d 520d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 209 2d19h 529d PATCH [511d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 76 17d 531d
INFO: rcu detected stall in x64_sys_call mm 1 C error 504 11h42m 539d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 346d 540d 💬 4 [500d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 21d 540d 💬 3 [130d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 339d 545d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done error 3651 39d 547d 💬 1 [42d]
INFO: rcu detected stall in kcov_close mm 1 181 6d12h 567d
kernel panic: System is deadlocked on memory (2) mm 2 115 3h53m 567d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 110 17d 568d PATCH [511d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 78 3d14h 614d PATCH [395d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 672 1d12h 639d
WARNING in shmem_evict_inode (3) mm -1 67 3d04h 647d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 62 36d 647d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 343 now 650d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 67d 659d 💬 5 [601d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 591d 698d 💬 2 [577d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 382 15d 704d 💬 10 [250d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 85d 741d
BUG: soft lockup in pipe_read fs mm 1 syz 5 390d 768d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 685 10d 783d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 232 12h19m 804d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 202 1d02h 823d 💬 6 [819d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 558d 840d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 599d 880d PATCH [220d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 491 17d 908d 💬 4 [137d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 537 2h32m 911d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 353 11d 932d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 929 1d12h 1043d 💬 6 [12d]
possible deadlock in filemap_fault mm 4 C done 3029 11d 1215d 💬 4 [12d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 510 15d 1225d 💬 1 [74d]
memory leak in xas_create mm 3 C 34 9d13h 1332d PATCH [98d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25866 13d 1437d 💬 2 [12d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 983d 1484d 💬 3 [970d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1659d 2012d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1329d 2226d 💬 2 [2120d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in munlock_folio / need_mlock_drain (8) mm 6 1 10d 10d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) fs mm 6 1 13d 13d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (4) mm 6 1 17d 17d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (4) mm -1 1 17d 17d
KCSAN: data-race in generic_fillattr / shmem_symlink (6) mm 6 3 13d 18d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 23d 23d
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 29d 29d
KCSAN: data-race in copy_mm / mas_wmb_replace race:benign mm 6 2 21d 37d
KCSAN: data-race in __se_sys_mremap / vms_complete_munmap_vmas race:benign mm 6 1 38d 38d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 3 3d22h 43d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 27 22h49m 44d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 1d02h 46d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 2 11d 52d
KCSAN: data-race in begin_new_exec / cgroup_task_dead fs mm 6 1 53d 53d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 41d 63d
KCSAN: data-race in __se_sys_mremap / vma_complete mm 6 2 53d 64d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 5d23h 67d
BUG: Bad page map (9) mm -1 1 76d 72d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 2d06h 79d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 3 37d 81d
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 4 51d 86d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 5 11d 112d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 6 44d 115d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 20d 157d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 7 55d 163d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 18 10d 169d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 9 4d11h 174d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm 6 15 18d 178d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 22 7d18h 222d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 12 47d 253d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 118 2d05h 310d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 357 12h45m 311d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 6d02h 322d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 138 2d11h 336d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 131 1d08h 466d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 469 8h48m 467d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 888 1d23h 469d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 111 9d14h 502d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 179 3d12h 605d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 187 2h48m 606d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 128 1d07h 607d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 838 8h46m 664d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 88 10d 691d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 196 2d10h 694d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 160 6d13h 814d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2465 8h25m 815d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 951 2d20h 1516d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1761 12h41m 1539d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5135 1h14m 1710d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1641 9h05m 1984d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4123 21h59m 2274d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2502 5d12h 2280d