mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 424
Parent subsystem(s): kernel (89)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in hugetlbfs_file_mmap fs mm prio:low 4 1 3d20h 1d17h
WARNING in shmem_initxattrs prio:low mm fuse -1 syz, C 3 3h47m 1d17h 💬 2 [3h47m]
WARNING in corrupted (4) mm usb -1 syz 1 12d 10d 💬 1 [8d21h]
INFO: rcu detected stall in newfstat (4) prio:normal mm 1 40 6h12m 15d
KCSAN: data-race in xas_create / xas_find (10) race:harmful fs mm 6 1 15d 15d PATCH [14d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (3) race:harmful mm 6 1 16d 16d
WARNING in shrink_one prio:high mm -1 1 18d 18d 💬 3 [18d]
INFO: rcu detected stall in chrdev_open (7) prio:high mm 1 31 10d 18d
INFO: rcu detected stall in filemap_fault (4) prio:high mm 1 syz 34 19d 20d 💬 1 [20d]
possible deadlock in igrab prio:high mm 4 1 29d 25d 💬 3 [25d]
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 10 3d15h 32d
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) prio:low race:harmful mm 6 3 10d 47d 💬 1 [46d]
WARNING in v9fs_fid_get_acl (2) prio:high mm -1 syz, C 6 16d 48d PATCH [48d]
inconsistent lock state in fs_reclaim_acquire (4) prio:high cgroups mm 4 syz, C error 21 3h20m 58d PATCH [57d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 52d 60d 💬 4 [59d]
WARNING in setup_conf prio:low mm -1 syz, C 172 5h25m 74d PATCH [1d03h]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 34 11d 78d 💬 3 [78d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 4d09h 86d PATCH [50d]
WARNING in mmap_region prio:low mm -1 syz 16 91d 90d 💬 1 [88d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 42 4d20h 94d 💬 6 [92d]
WARNING in alloc_vmap_area prio:high mm -1 2 99d 98d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 102d 98d
WARNING in mas_nomem prio:low mm -1 syz 14 81d 98d 💬 10 [91d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low fs mm 4 8 5d15h 105d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 129 20h01m 140d PATCH [127d]
INFO: rcu detected stall in handle_softirqs (3) prio:low mm netfilter 1 syz, C error 63 13h29m 161d PATCH [2d14h]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 69 1d03h 163d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 47 5d18h 165d PATCH [162d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 156d 170d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 138 4d05h 203d 💬 7 [37d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 34 10d 212d 💬 1 [212d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 47111 5m 221d PATCH [196d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 83d 235d 💬 3 [235d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 114d 248d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2695 33m 253d 💬 2 [198d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 63d 258d 💬 4 [82d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 361 12d 261d PATCH [142d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 43 1d11h 265d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 114 21d 272d
kernel BUG in page_table_check_set (2) prio:low mm -1 1166 9d23h 274d 💬 3 [10d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm 1 syz error error 4 19d 284d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 285d 284d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 65d 306d PATCH [65d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 95 2d03h 320d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 61 12d 322d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 291d 327d
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 276d 338d PATCH [317d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 2d23h 344d
INFO: rcu detected stall in sys_symlink (6) prio:high mm 1 syz, C error inconclusive 8 48d 375d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 102 7d15h 381d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 309 29d 388d 💬 1 [27d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 529 1h04m 417d PATCH [408d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 66 16d 433d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 25 8d12h 435d PATCH [290d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 238d 436d PATCH [412d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 50 8d11h 436d 💬 2 [105d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 52 22d 442d PATCH [65d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 38d 459d PATCH [114d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 9090 3h49m 463d 💬 1 [11d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 102d 474d 💬 2 [473d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 311d 499d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 1025 11h23m 503d PATCH [65d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 27 5h56m 525d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 83 3d19h 541d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 306d 543d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 52d 551d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 127d 554d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2375 10h12m 561d PATCH [324d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 301 1d02h 562d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 137 3d22h 563d 💬 1 [562d]
INFO: rcu detected stall in clone (7) prio:high mm 1 140 19d 590d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 8 26d 651d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 31 8d22h 672d
possible deadlock in btrfs_dirty_inode (2) prio:high mm 4 79 22d 691d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 46d 697d 💬 6 [607d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 61 5d13h 698d 💬 2 [445d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 668d 702d 💬 1 [659d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 158 1d13h 703d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 150 13d 706d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 25d 711d 💬 7 [73d]
INFO: rcu detected stall in sys_mmap (3) mm prio:low 1 syz, C error error 71 8d06h 711d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 127 1d14h 711d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal tomoyo mm 1 syz error 239 5h52m 715d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 153 10d 726d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 152 20d 738d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 172d 751d 💬 1 [750d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 464d 752d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz, C done error 162 4h27m 756d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 96 3d18h 764d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 17 11d 769d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 290 3d19h 778d PATCH [760d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 98 14h44m 780d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 690 19h57m 788d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 595d 789d 💬 4 [749d]
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 syz, C done error 3651 288d 796d 💬 1 [291d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 265 4d12h 816d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 341 1d00h 816d PATCH [46d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 129 2d22h 817d PATCH [760d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 81d 896d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 81d 896d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 82d 908d 💬 5 [850d]
INFO: rcu detected stall in sys_clone (8) mm prio:low 1 syz, C error 537 8d14h 953d 💬 10 [499d]
INFO: rcu detected stall in sys_syslog (2) mm prio:high 1 syz, C error error 57 3d15h 990d
BUG: soft lockup in pipe_read fs mm 1 syz 5 639d 1017d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 744 1d17h 1032d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low net mm 1 299 11d 1053d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 389 17h14m 1072d 💬 6 [1068d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 193 1d22h 1092d 💬 1 [11d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 848d 1129d PATCH [469d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 536 15d 1157d 💬 4 [11d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4825 15h08m 1157d PATCH [18h56m]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 821 1d19h 1160d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1199 9h01m 1292d PATCH [228d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 649 5d11h 1474d 💬 1 [11d]
memory leak in xas_create prio:high mm 3 syz, C 60 82d 1581d PATCH [347d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C error 7550 (+18414) 1d10h 1686d 💬 2 [167d]
INFO: task hung in do_read_cache_folio kasan mm block 1 syz, C error error 179 1232d 1733d 💬 3 [1219d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1908d 2261d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1578d 2475d 💬 2 [2369d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (4) fs mm race:benign prio:low 6 1 2d04h 2d03h
KCSAN: data-race in kcompactd / try_to_compact_pages mm prio:low race:benign 6 1 3d06h 3d05h
WARNING: refcount bug in remove_inode_hugepages prio:high mm fs 13 1 22d 18d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (11) race:benign prio:high mm 6 2 1d11h 29d
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (10) race:benign prio:low mm 6 C 2 7d10h 30d
KCSAN: data-race in __folio_end_writeback / writeout_period (3) race:benign prio:high fs mm 6 1 52d 52d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm prio:high 17 1 61d 57d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 C 134 2d09h 94d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 34d 103d PATCH [25d]
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 8 40d 145d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 63d 158d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 48 6d07h 203d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 96 3d23h 204d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 204 1h36m 293d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 37 7d23h 418d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 157 11d 585d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 995 15h53m 718d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 899 8h36m 913d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3313 2h39m 1064d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5645 1d05h 1959d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1698 8h33m 2233d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4180 3d18h 2523d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2641 8h34m 2529d