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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 406
Parent subsystem(s): kernel (94)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: bad unlock balance in folio_remove_rmap_ptes mm 4 1 5d10h 1d10h
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages mm arch 5 3 19h11m 1d10h
WARNING in __page_cache_release mm -1 1 5d10h 1d10h
WARNING: lock held when returning to user space in do_fault mm 4 2 4d01h 1d19h
WARNING: bad unlock balance in finish_fault mm 4 1 6d00h 2d00h
WARNING: bad unlock balance in do_wp_page mm 4 5 1d09h 5d09h 💬 9 [4d06h]
WARNING: lock held when returning to user space in __pte_offset_map mm 4 11 2d03h 6d08h
WARNING: bad unlock balance in __zap_vma_range mm 4 4 2d13h 6d21h
WARNING: bad unlock balance in folios_put_refs mm 4 1 11d 7d12h
BUG: sleeping function called from invalid context in shmem_undo_range mm 5 1 8d10h 7d17h 💬 2 [7d06h]
BUG: sleeping function called from invalid context in tlb_flush_mmu arch mm 5 1 8d12h 7d17h
possible deadlock in rhashtable_free_and_destroy mm 4 3 5d18h 10d PATCH [2d09h]
BUG: sleeping function called from invalid context in __zap_vma_range mm 5 3 20h40m 10d 💬 2 [9d20h]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm 6 21 6h59m 14d 💬 5 [8d01h]
INFO: rcu detected stall in kcov_ioctl (3) mm 1 30 26d 22d 💬 1 [22d]
WARNING: bad unlock balance in lruvec_stat_mod_folio mm cgroups 4 1 27d 23d PATCH [16d]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm 19 8 30d 31d 💬 3 [31d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 C error 4394 now 32d PATCH [6d20h]
WARNING in page_counter_uncharge (2) mm cgroups -1 C error 7 15d 34d PATCH [5d13h]
general protection fault in zap_huge_pmd mm 2 C 7 42d 44d 💬 9 [43d]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 6 9d13h 46d 💬 3 [46d]
possible deadlock in mfill_get_vma mm 4 C 287 3d06h 46d PATCH [46d]
WARNING: suspicious RCU usage in usb_tx_block mm 4 4 20d 53d
INFO: rcu detected stall in __dentry_kill mm 1 97 1d14h 59d
possible deadlock in lock_mm_and_find_vma (4) mm 4 1066 46m 64d 💬 2 [9d08h]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 70d 66d
WARNING in __kfence_free (4) mm kasan -1 1 70d 66d
WARNING in __put_task_struct (6) mm -1 5 20d 66d
kernel BUG in __page_table_check_zero (3) mm -1 256 3d21h 71d
INFO: rcu detected stall in sendfile64 mm 1 37 3d16h 75d
kernel BUG in __khugepaged_enter mm -1 5 78d 76d 💬 4 [73d]
KMSAN: uninit-value in follow_page_pte mm 7 1 81d 77d PATCH [7d00h]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 78d 77d 💬 6 [76d]
memory leak in __kfree_rcu_sheaf mm exfat f2fs 3 syz 1 82d 80d 💬 22 [42d]
BUG: Bad rss-counter state (6) mm -1 100 2d01h 82d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 4 21d 84d 💬 3 [20d]
kernel BUG in page_table_check_set (2) mm -1 640 4d09h 84d 💬 1 [82d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm 1 syz error error 2 10d 94d
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 96d 94d
WARNING in unlink_anon_vmas (2) mm -1 C error 30 39d 103d PATCH [103d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 99d 105d PATCH [101d]
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 82d 116d
KMSAN: uninit-value in swap_writeout mm 7 8 85d 130d PATCH [114d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 20 11d 130d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 40d 133d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 101d 137d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 54d 144d PATCH [1d03h]
WARNING in sched_mm_cid_fork mm fs -1 C error error 332 87d 149d PATCH [128d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 10 34d 155d
WARNING in __page_table_check_ptes_set (3) mm -1 6 40d 169d
general protection fault in __rt_mutex_slowlock_locked mm 2 24 17d 170d
kernel BUG in filemap_fault (3) net mm -1 C error error 15 88d 183d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 110d 185d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 78 28d 191d
INFO: task hung in migrate_pages_batch (4) mm 1 120 21d 199d
WARNING in path_noexec (2) fs mm -1 C error 25105 10h02m 212d PATCH [202d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 62d 228d PATCH [218d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 61d 233d PATCH [230d]
INFO: rcu detected stall in sys_madvise (2) mm 1 55 8d15h 243d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 18 19d 246d PATCH [100d]
WARNING in __alloc_skb (4) mm -1 C 8 49d 246d PATCH [222d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 30 4d09h 247d 💬 1 [246d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 43 4d09h 252d 💬 7 [132d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 12 5d17h 270d
WARNING in trace_suspend_resume mm -1 C 2990 42m 274d 💬 1 [30d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 51d 276d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 101d 285d 💬 2 [284d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 59 4d21h 289d
INFO: rcu detected stall in linkwatch_event (5) mm net 1 syz error error 3 121d 309d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 487 3h43m 314d 💬 1 [276d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 11 8d04h 336d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 55 22d 351d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 117d 354d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error error 17 4d20h 361d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 111d 364d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 10d 371d
kernel BUG in __filemap_add_folio fs mm -1 C done 1929 1d14h 371d PATCH [134d]
BUG: soft lockup in sys_bpf mm 1 C error 146 1d02h 373d
INFO: task hung in page_cache_ra_order fs mm 1 C done 101 16h56m 373d 💬 1 [373d]
INFO: rcu detected stall in clone (7) mm 1 101 4d01h 400d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 114d 461d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 50d 482d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 10 1d08h 508d 💬 6 [417d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 55 8d22h 509d 💬 2 [255d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 478d 512d 💬 1 [470d]
INFO: rcu detected stall in sys_sendmmsg (7) mm 1 115 4d10h 516d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 94d 521d 💬 7 [165d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 61 3d17h 522d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 70 11d 522d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 81d 525d PATCH [112d]
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 131 17d 525d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 115 13d 537d
INFO: rcu detected stall in brk (2) mm 1 syz 3 16d 547d 💬 8 [546d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable error 113 31d 548d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 47 29d 560d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 157d 562d 💬 1 [561d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 274d 563d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done error 109 31d 567d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 82 8d00h 575d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 71d 580d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 232 3d08h 589d PATCH [571d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done error 77 51d 591d
INFO: rcu detected stall in x64_sys_call mm 1 C error 537 19h38m 598d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 405d 599d 💬 4 [560d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 81d 600d 💬 3 [190d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 399d 604d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 98d 606d 💬 1 [102d]
INFO: rcu detected stall in kcov_close mm 1 191 8d11h 627d
kernel panic: System is deadlocked on memory (2) mm 2 145 5d11h 627d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 56d 628d PATCH [571d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 81 12d 673d PATCH [455d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 701 17d 699d
WARNING in shmem_evict_inode (3) mm -1 84 7h42m 706d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 56d 707d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 362 2d03h 709d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 127d 719d 💬 5 [661d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 651d 757d 💬 2 [637d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 405 12d 763d 💬 10 [310d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 144d 801d
BUG: soft lockup in pipe_read mm fs 1 syz 5 450d 827d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 691 6d19h 842d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 241 1d06h 864d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 229 5d09h 883d 💬 6 [878d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 617d 899d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 137 8d02h 902d 💬 1 [64d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 659d 939d PATCH [280d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 49d 967d 💬 4 [197d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 575 2d08h 971d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm 1 C error 370 2d11h 991d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 984 1d23h 1103d PATCH [39d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 526 2d00h 1284d 💬 1 [134d]
memory leak in xas_create mm 3 C 40 9d12h 1392d PATCH [158d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25877 7d04h 1497d 💬 2 [9d08h]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1042d 1544d 💬 3 [1030d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1719d 2071d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1388d 2286d 💬 2 [2180d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mlock_folio / need_mlock_drain (10) mm 6 1 1d05h 1d05h
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm 6 1 6d02h 6d02h
KASAN: slab-use-after-free Read in debug_check_no_obj_freed mm 19 1 11d 7d20h
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm 6 9 45m 14d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm 6 11 now 15d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs 6 2 17d 26d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 2 36d 40d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 45d 45d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) fs mm 6 1 49d 49d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) mm fs -1 3 38d 57d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs 6 2 41d 72d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 59 4d01h 104d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 8 13d 175d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 24 5d18h 229d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 19 13d 238d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 131 16d 369d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 414 15d 370d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 146 5d06h 396d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 149 3d17h 525d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 536 14h19m 527d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 922 2d14h 528d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 114 11d 561d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 201 11m 665d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 204 22h40m 665d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 147 6d11h 667d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 853 29d 724d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 89 24d 750d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 201 8d03h 753d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 170 10h30m 873d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2602 13h57m 874d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 962 6d19h 1575d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1855 2h23m 1598d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5271 12h41m 1769d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1657 1d02h 2044d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4138 6h17m 2333d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2530 12d 2339d
corrupted report (2) hfs kasan mm -1 1105220 now 2942d