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 prio:low mm -1 C 3 1d03h 1d17h PATCH [9h29m]
BUG: Bad page state in corrupted mm prio:high -1 syz, C 1 9d19h 5d12h PATCH [21h59m]
WARNING in mmap_region mm prio:low -1 syz 16 11d 9d16h 💬 1 [8d00h]
BUG: sleeping function called from invalid context in mmc_free_host mmc mm prio:high 5 syz, C error 422 now 12d PATCH [1d04h]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 34 4d14h 13d 💬 6 [11d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 27 1d09h 16d
WARNING in alloc_vmap_area mm -1 2 18d 17d
INFO: rcu detected stall in filemap_read mm kasan prio:normal 1 syz 1 22d 17d
WARNING in mas_nomem mm prio:low -1 syz 14 1d04h 18d 💬 10 [10d]
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 2 18d 25d
WARNING in update_rq_clock (2) prio:low mm -1 syz, C 34 2d01h 46d 💬 3 [15d]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error error 1 51d 49d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 51 2d05h 59d PATCH [46d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 24d 59d 💬 1 [56d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 13d 59d
KASAN: invalid-free in rcu_free_sheaf prio:high netfilter mm arm 24 6 37d 66d PATCH [31d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 81d 77d PATCH [75d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 10 16d 79d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 3 11d 80d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 42 9d09h 82d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 60d 84d PATCH [82d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 75d 89d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 94d 90d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 91d 93d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 46d 97d 💬 1 [97d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 80d 98d PATCH [96d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 97d 119d 💬 2 [118d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 108 14h12m 123d 💬 7 [68d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 59d 131d 💬 1 [131d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 33701 12m 141d PATCH [115d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 3d01h 155d 💬 3 [154d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 33d 168d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2403 1d03h 172d 💬 2 [118d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 35 11d 177d 💬 4 [1d23h]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 22d 180d PATCH [62d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 15d 184d
memory leak in __kfree_rcu_sheaf prio:high mm exfat f2fs 3 syz 1 190d 189d 💬 28 [105d]
BUG: Bad rss-counter state (6) prio:high mm -1 111 8d10h 191d
kernel BUG in page_table_check_set (2) prio:low mm -1 750 1d04h 193d 💬 1 [191d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 119d 203d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 205d 203d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 9 2d02h 225d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 62 3d04h 239d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 4d00h 241d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 210d 246d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 16 2d02h 253d PATCH [22d]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 195d 258d PATCH [237d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 22d 263d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 100d 294d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 93 7d05h 300d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 275 3h48m 308d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 50d 321d PATCH [311d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 171d 337d PATCH [327d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 61 14d 352d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 49d 355d PATCH [209d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 158d 355d PATCH [331d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 49 5m 361d PATCH [5h11m]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 100d 378d PATCH [34d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3889 3h03m 382d 💬 1 [24d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 21d 393d 💬 2 [393d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 230d 418d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 682 28m 422d PATCH [5h11m]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 15 14h11m 445d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 66 19h16m 460d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 226d 463d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 66d 470d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 47d 473d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2150 3h41m 480d PATCH [243d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 208 19h20m 482d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 1d16h 482d 💬 1 [482d]
INFO: rcu detected stall in clone (7) prio:high mm 1 128 1d19h 509d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 17d 570d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 26d 591d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 66d 617d 💬 6 [526d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 7d02h 618d 💬 2 [364d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 587d 621d 💬 1 [578d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 145 11d 625d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 41d 630d 💬 7 [55d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 69 2d07h 630d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 108 11h08m 631d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 174 11h10m 634d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 142 2d16h 645d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 136 8d23h 657d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 91d 670d 💬 1 [670d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 383d 671d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 130 6d19h 676d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 22d 684d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 88d 689d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 260 1d21h 697d PATCH [680d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 89 8d21h 700d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 620 17h30m 707d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 514d 708d 💬 4 [669d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 207d 715d 💬 1 [211d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 241 1d10h 736d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 231 2d14h 736d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 119 10d 737d PATCH [680d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 15d 782d PATCH [563d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 21d 807d
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 21h20m 815d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 16h44m 816d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 6h32m 818d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 1d23h 828d 💬 5 [770d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 759d 866d 💬 2 [745d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 487 1d12h 872d 💬 10 [418d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 9d16h 909d
BUG: soft lockup in pipe_read fs mm 1 syz 5 559d 936d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 708 5d04h 951d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 292 1d15h 991d 💬 6 [987d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 726d 1008d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 768d 1048d PATCH [389d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 512 3d21h 1076d 💬 4 [24d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 686 9h47m 1080d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 413 7d14h 1100d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1092 23h42m 1212d PATCH [148d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3119 1d11h 1383d PATCH [48d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 615 9h39m 1393d 💬 1 [24d]
memory leak in xas_create prio:high mm 3 syz, C 60 1d19h 1501d PATCH [266d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25920 2d16h 1605d 💬 2 [86d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1151d 1653d 💬 3 [1138d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1827d 2180d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1497d 2395d 💬 2 [2289d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in compact_zone / compact_zone (10) mm race:benign 6 1 1d06h 1d06h
KCSAN: data-race in copy_mm / vma_complete (4) mm race:benign prio:low 6 1 16d 16d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) mm race:benign prio:low 6 1 19d 19d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) mm fs race:benign prio:high 6 1 23d 23d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) race:benign prio:low mm 6 1 30d 30d
general protection fault in __refill_obj_stock prio:high mm cgroups 2 1 49d 45d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) race:benign prio:high mm fs 6 1 49d 49d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 53d 53d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 55d 55d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 45d 57d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 20d 60d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 5 4d00h 65d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 50d 77d
WARNING in do_mmap prio:low mm fs -1 1 88d 84d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 49d 95d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 49d 107d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 9d02h 110d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 34 8d09h 123d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 76 24m 124d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 131 10h44m 212d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 36d 284d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 34 2d12h 338d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 153 6d12h 504d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 3d19h 634d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 1d18h 636d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 957 18h03m 637d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 233 13h23m 773d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 163 13d 776d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 876 18h09m 833d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 30d 859d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 5d03h 862d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 2d03h 982d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3031 10h36m 983d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 968 11d 1684d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2034 4h10m 1707d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5510 10h35m 1878d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1686 9d08h 2153d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4161 7d18h 2442d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2593 18h04m 2448d