mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 417
Parent subsystem(s): kernel (105)
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 6d10h 2d03h 💬 1 [1d06h]
WARNING in mmap_region mm prio:low -1 syz 16 7d17h 6d07h 💬 1 [4d15h]
BUG: sleeping function called from invalid context in mmc_free_host mmc mm prio:high 5 syz, C error 39 1h01m 9d04h PATCH [6d04h]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 34 1d05h 10d 💬 6 [8d09h]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 26 2d16h 13d
WARNING in alloc_vmap_area mm -1 2 15d 14d
INFO: rcu detected stall in filemap_read mm kasan prio:normal 1 syz 1 18d 14d
WARNING in mas_nomem mm prio:low -1 syz 13 15d 14d 💬 10 [7d06h]
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 2 15d 21d
WARNING in update_rq_clock (2) prio:low mm -1 syz, C 31 7h52m 43d 💬 3 [11d]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error error 1 48d 46d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 49 16h57m 55d PATCH [43d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 21d 56d 💬 1 [53d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 10d 56d
KASAN: invalid-free in rcu_free_sheaf prio:high netfilter mm arm 24 6 33d 63d PATCH [27d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 77d 73d PATCH [72d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 10 13d 76d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 3 7d23h 77d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 42 6d00h 79d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 56d 81d 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 91d 87d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 87d 89d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 42d 94d 💬 1 [93d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 77d 94d PATCH [92d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 93d 116d 💬 2 [115d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 107 2d00h 119d 💬 7 [65d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 56d 128d 💬 1 [128d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 33130 10m 137d PATCH [112d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 48d 151d 💬 3 [151d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 30d 164d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2399 15h41m 169d 💬 2 [114d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 35 8d09h 174d 💬 4 [15d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 19d 177d PATCH [58d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 12d 181d
memory leak in __kfree_rcu_sheaf prio:high mm exfat f2fs 3 syz 1 187d 186d 💬 28 [102d]
BUG: Bad rss-counter state (6) prio:high mm -1 111 5d01h 188d
kernel BUG in page_table_check_set (2) prio:low mm -1 737 11d 190d 💬 1 [188d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 116d 200d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 201d 200d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 8 37d 222d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 61 7d10h 235d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 14h53m 238d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 207d 242d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 15 7d11h 249d PATCH [18d]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 192d 254d PATCH [233d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 18d 260d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 97d 291d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 93 3d19h 297d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 274 2d09h 304d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 46d 318d PATCH [308d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 167d 333d PATCH [324d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 61 10d 349d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 46d 351d PATCH [206d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 154d 352d PATCH [328d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 48 16h41m 357d 💬 7 [3d14h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 97d 375d PATCH [30d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3885 7h48m 379d 💬 1 [20d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 18d 390d 💬 2 [389d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 227d 415d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 669 15h43m 419d 💬 1 [381d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 17d 441d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 64 5d17h 457d
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 63d 467d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 43d 470d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2136 2h56m 477d PATCH [239d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 207 5d06h 478d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 127 4d23h 479d 💬 1 [478d]
INFO: rcu detected stall in clone (7) prio:high mm 1 127 8d01h 506d
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 23d 587d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 63d 613d 💬 6 [522d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 3d17h 614d 💬 2 [361d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 584d 618d 💬 1 [575d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 145 8d05h 622d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 37d 627d 💬 7 [52d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 68 16d 627d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 105 2d19h 627d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 173 8d04h 631d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 140 2d17h 642d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 136 5d14h 654d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 87d 667d 💬 1 [666d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 380d 668d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 130 3d10h 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 85d 685d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 258 1h17m 694d PATCH [676d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 89 5d12h 696d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 615 1d09h 704d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 511d 705d 💬 4 [665d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 204d 712d 💬 1 [207d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 238 17h35m 732d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 230 3d00h 732d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 119 7d00h 733d PATCH [676d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 11d 779d PATCH [560d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 18d 804d
WARNING in shmem_evict_inode (3) prio:normal mm -1 100 4d18h 812d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 39d 812d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 402 15d 815d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 44d 824d 💬 5 [766d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 756d 863d 💬 2 [742d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 482 2h35m 869d 💬 10 [415d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 6d07h 906d
BUG: soft lockup in pipe_read fs mm 1 syz 5 555d 933d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 708 1d18h 948d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 289 2d19h 988d 💬 6 [984d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 723d 1005d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 764d 1045d PATCH [385d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 512 12h49m 1073d 💬 4 [20d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 682 1d16h 1076d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 413 4d05h 1097d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1087 13h38m 1208d PATCH [144d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3118 4d02h 1380d PATCH [45d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 610 17h32m 1390d 💬 1 [20d]
memory leak in xas_create prio:high mm 3 syz, C 58 2d03h 1497d PATCH [263d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25917 15d 1602d 💬 2 [83d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1148d 1649d 💬 3 [1135d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1824d 2177d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1494d 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 16d 16d
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 27d 27d
general protection fault in __refill_obj_stock prio:high mm cgroups 2 1 46d 42d
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 50d 50d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 52d 52d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 42d 53d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 3 17d 56d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 5 15h39m 61d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 47d 74d
WARNING in do_mmap prio:low mm fs -1 1 85d 81d
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 46d 104d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 5d16h 106d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 34 5d00h 119d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 74 19h48m 120d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 125 11h02m 209d
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 14d 334d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 153 3d03h 501d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 10h25m 630d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 669 1h52m 632d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 956 5d17h 634d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 232 12h55m 770d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 163 9d17h 772d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 874 9h39m 829d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 27d 855d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 1d17h 859d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 179 18d 979d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3021 1h11m 980d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 968 7d21h 1681d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2029 1d04h 1704d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5506 1h53m 1875d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1686 5d23h 2149d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4161 4d09h 2439d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2589 1d09h 2444d