mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 417
Parent subsystem(s): kernel (103)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: Bad page state in corrupted mm prio:high -1 syz, C 1 5d17h 1d10h 💬 1 [13h41m]
WARNING in mmap_region mm prio:low -1 syz 16 7d01h 5d14h 💬 1 [3d23h]
BUG: sleeping function called from invalid context in mmc_free_host mmc mm prio:high 5 syz, C error 30 7d02h 8d12h PATCH [5d11h]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 34 13h18m 9d10h 💬 6 [7d17h]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 26 1d23h 12d
WARNING in alloc_vmap_area mm -1 2 14d 13d
INFO: rcu detected stall in filemap_read mm kasan prio:normal 1 syz 1 18d 13d
WARNING in mas_nomem mm prio:low -1 syz 13 14d 14d 💬 10 [6d14h]
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 2 14d 21d
WARNING in update_rq_clock (2) prio:low mm -1 syz, C 29 7h05m 42d 💬 3 [11d]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error error 1 47d 45d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 49 28m 55d PATCH [42d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 20d 55d 💬 1 [52d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 9d14h 55d
KASAN: invalid-free in rcu_free_sheaf prio:high netfilter mm arm 24 6 32d 62d PATCH [26d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 77d 73d PATCH [71d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 10 12d 75d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 3 7d06h 76d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 42 5d08h 78d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 56d 80d PATCH [78d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 71d 85d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 90d 86d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 86d 88d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 42d 93d 💬 1 [92d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 76d 94d PATCH [92d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 93d 115d 💬 2 [114d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 107 1d07h 119d 💬 7 [64d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 55d 127d 💬 1 [127d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 33018 17m 137d PATCH [111d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 47d 151d 💬 3 [150d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 29d 164d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2398 13m 168d 💬 2 [114d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 35 7d16h 173d 💬 4 [14d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 18d 176d PATCH [57d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 11d 180d
memory leak in __kfree_rcu_sheaf prio:high mm exfat f2fs 3 syz 1 186d 185d 💬 28 [101d]
BUG: Bad rss-counter state (6) prio:high mm -1 111 4d08h 187d
kernel BUG in page_table_check_set (2) prio:low mm -1 737 11d 189d 💬 1 [187d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 115d 199d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 201d 199d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 8 36d 221d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 61 6d17h 235d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 54 8d05h 237d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 206d 242d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 15 6d19h 249d PATCH [18d]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 191d 254d PATCH [232d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 18d 259d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 96d 290d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 93 3d03h 296d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 274 1d16h 303d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 46d 317d PATCH [307d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 167d 333d PATCH [323d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 61 10d 348d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 45d 351d PATCH [205d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 154d 351d PATCH [327d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 48 13m 357d 💬 7 [2d21h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 96d 374d PATCH [29d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3883 5h20m 378d 💬 1 [20d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 17d 389d 💬 2 [389d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 226d 414d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 668 59m 418d 💬 1 [381d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 16d 441d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 64 5d00h 456d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 222d 459d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 62d 466d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 43d 469d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2131 1h52m 476d PATCH [239d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 207 4d14h 478d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 127 4d07h 478d 💬 1 [478d]
INFO: rcu detected stall in clone (7) prio:high mm 1 127 7d09h 505d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 13d 566d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 22d 587d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 62d 613d 💬 6 [522d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 3d00h 614d 💬 2 [360d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 583d 617d 💬 1 [574d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 145 7d12h 621d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 37d 626d 💬 7 [51d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 68 15d 626d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 105 2d02h 627d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 173 7d11h 630d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 140 2d00h 641d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 136 4d22h 653d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 87d 666d 💬 1 [665d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 379d 667d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 130 2d18h 672d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 18d 680d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 84d 684d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 257 2d18h 693d PATCH [675d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 89 4d19h 695d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 615 16h44m 703d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 510d 704d 💬 4 [665d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 203d 711d 💬 1 [207d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 238 1h07m 731d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 230 2d07h 731d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 119 6d08h 733d PATCH [675d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 11d 778d PATCH [559d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 17d 803d
WARNING in shmem_evict_inode (3) prio:normal mm -1 100 4d01h 811d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 38d 812d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 402 15d 814d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 43d 824d 💬 5 [766d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 755d 862d 💬 2 [741d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 479 19h57m 868d 💬 10 [414d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 5d15h 905d
BUG: soft lockup in pipe_read fs mm 1 syz 5 554d 932d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 708 1d02h 947d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 289 2d03h 987d 💬 6 [983d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 722d 1004d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 764d 1044d PATCH [384d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 511 5d17h 1072d 💬 4 [20d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 682 23h55m 1075d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 413 3d12h 1096d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1085 1d15h 1208d PATCH [144d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3118 3d09h 1379d PATCH [44d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 610 1h04m 1389d 💬 1 [20d]
memory leak in xas_create prio:high mm 3 syz, C 58 1d10h 1497d PATCH [262d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25917 15d 1601d 💬 2 [82d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1147d 1649d 💬 3 [1134d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1823d 2176d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1493d 2391d 💬 2 [2285d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_mm / vma_complete (4) mm race:benign prio:low 6 1 12d 12d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) mm race:benign prio:low 6 1 15d 15d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) mm fs race:benign prio:high 6 1 19d 19d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 26d 26d
general protection fault in __refill_obj_stock prio:high mm cgroups 2 1 45d 41d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) race:benign prio:high mm fs 6 1 45d 45d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 49d 49d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 51d 51d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 41d 53d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 3 16d 56d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 4 3h45m 61d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 46d 73d
WARNING in do_mmap prio:low mm fs -1 1 84d 80d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 45d 91d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 45d 103d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 5d00h 105d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 34 4d07h 118d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 74 3h20m 120d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 124 16h08m 208d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 32d 280d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 33 13d 333d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 153 2d11h 500d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 165 21d 630d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 668 12h42m 632d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 956 5d01h 633d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 231 14h09m 769d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 163 9d01h 772d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 873 2d08h 829d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 26d 855d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 1d01h 858d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 179 17d 978d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3016 16h32m 979d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 968 7d04h 1680d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2029 12h14m 1703d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5503 2d07h 1874d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1686 5d06h 2149d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4161 3d17h 2438d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2589 16h32m 2444d