mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 417
Parent subsystem(s): kernel (107)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in ep_write_iter mm prio:low -1 2 1d03h 4h59m 💬 4 [12m]
BUG: Bad page state in corrupted mm prio:high -1 syz, C 1 8d07h 4d00h PATCH [19h08m]
WARNING in mmap_region mm prio:low -1 syz 16 9d14h 8d04h 💬 1 [6d12h]
BUG: sleeping function called from invalid context in mmc_free_host mmc mm prio:high 5 syz, C error 125 5h03m 11d PATCH [8d01h]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 34 3d02h 12d 💬 6 [10d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 26 4d13h 15d
WARNING in alloc_vmap_area mm -1 2 17d 15d
INFO: rcu detected stall in filemap_read mm kasan prio:normal 1 syz 1 20d 16d
WARNING in mas_nomem mm prio:low -1 syz 13 17d 16d 💬 10 [9d03h]
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 2 16d 23d
WARNING in update_rq_clock (2) prio:low mm -1 syz, C 34 13h38m 44d 💬 3 [13d]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error error 1 50d 48d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 51 17h30m 57d PATCH [44d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 23d 57d 💬 1 [55d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 12d 58d
KASAN: invalid-free in rcu_free_sheaf prio:high netfilter mm arm 24 6 35d 65d PATCH [29d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 79d 75d PATCH [74d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 10 14d 77d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 3 9d20h 79d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 42 7d21h 80d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 58d 82d PATCH [80d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 73d 87d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 93d 89d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 89d 91d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 44d 96d 💬 1 [95d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 79d 96d PATCH [94d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 95d 118d 💬 2 [117d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 107 3d21h 121d 💬 7 [67d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 57d 130d 💬 1 [130d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 33477 15m 139d PATCH [114d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 1d13h 153d 💬 3 [153d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 32d 166d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2402 1h16m 171d 💬 2 [116d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 35 10d 176d 💬 4 [11h52m]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 21d 179d PATCH [60d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 14d 183d
memory leak in __kfree_rcu_sheaf prio:high mm exfat f2fs 3 syz 1 189d 188d 💬 28 [104d]
BUG: Bad rss-counter state (6) prio:high mm -1 111 6d22h 189d
kernel BUG in page_table_check_set (2) prio:low mm -1 743 now 192d 💬 1 [190d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 117d 201d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 203d 201d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 9 14h32m 224d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 62 1d16h 237d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 2d12h 240d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 209d 244d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 16 14h41m 251d PATCH [20d]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 194d 256d PATCH [235d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 20d 262d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 99d 293d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 93 5d17h 298d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 274 4d06h 306d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 48d 320d PATCH [310d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 169d 335d PATCH [326d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 61 12d 350d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 48d 353d PATCH [207d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 156d 354d PATCH [330d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 48 2d13h 359d 💬 7 [5d11h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 98d 377d PATCH [32d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3885 2d04h 381d 💬 1 [22d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 20d 392d 💬 2 [391d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 229d 416d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 673 5h26m 421d 💬 1 [383d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 19d 443d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 64 7d14h 459d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 224d 461d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 65d 469d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 45d 472d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2143 20h44m 478d PATCH [241d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 207 7d03h 480d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 4h04m 481d 💬 1 [480d]
INFO: rcu detected stall in clone (7) prio:high mm 1 128 7h09m 507d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 15d 568d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 25d 589d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 64d 615d 💬 6 [524d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 5d14h 616d 💬 2 [362d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 586d 619d 💬 1 [577d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 145 10d 624d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 39d 628d 💬 7 [54d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 69 19h29m 629d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 106 18h56m 629d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 173 10d 632d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 142 1d04h 644d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 136 7d11h 655d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 89d 669d 💬 1 [668d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 382d 670d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 130 5d07h 674d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 20d 682d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 87d 687d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 260 9h21m 696d PATCH [678d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 89 7d09h 698d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 619 6h24m 706d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 513d 707d 💬 4 [667d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 206d 714d 💬 1 [209d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 240 17h17m 734d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 231 1d02h 734d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 119 8d21h 735d PATCH [678d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 13d 781d PATCH [562d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 20d 806d
WARNING in shmem_evict_inode (3) prio:normal mm -1 100 6d15h 814d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 41d 814d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 402 17d 817d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 11h36m 826d 💬 5 [768d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 758d 865d 💬 2 [744d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 487 18m 871d 💬 10 [417d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 8d04h 908d
BUG: soft lockup in pipe_read fs mm 1 syz 5 557d 934d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 708 3d16h 950d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 292 3h07m 990d 💬 6 [985d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 724d 1007d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 766d 1047d PATCH [387d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 512 2d09h 1075d 💬 4 [22d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 684 1d16h 1078d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 413 6d02h 1099d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1089 1d14h 1210d PATCH [146d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3118 5d23h 1382d PATCH [46d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 614 17h38m 1391d 💬 1 [22d]
memory leak in xas_create prio:high mm 3 syz, C 60 7h30m 1499d PATCH [265d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25920 1d04h 1604d 💬 2 [85d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1150d 1651d 💬 3 [1137d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1826d 2179d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1496d 2393d 💬 2 [2287d]
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 14d 14d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) mm race:benign prio:low 6 1 18d 18d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) mm fs race:benign prio:high 6 1 21d 21d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 29d 29d
general protection fault in __refill_obj_stock prio:high mm cgroups 2 1 48d 44d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) race:benign prio:high mm fs 6 1 47d 47d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 52d 52d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 54d 54d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 44d 55d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 3 19d 58d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 5 2d12h 63d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 49d 76d
WARNING in do_mmap prio:low mm fs -1 1 87d 83d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 47d 93d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 48d 105d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 7d13h 108d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 34 6d21h 121d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 74 2d16h 122d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 128 12h46m 211d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 34d 282d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 34 1d00h 336d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 153 5d00h 503d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 2d07h 632d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 6h08m 634d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 956 7d14h 635d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 232 2d10h 772d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 163 11d 774d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 875 1d17h 831d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 29d 857d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 3d15h 861d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 15h39m 981d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3028 3h10m 982d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 968 9d18h 1683d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2032 17h10m 1706d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5508 5h13m 1877d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1686 7d20h 2151d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4161 6d06h 2441d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2591 19h08m 2446d