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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 372
Parent subsystem(s): kernel (88)
Child subsystems: damon (0)
open (118):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in __free_one_page (2) mm -1 C 4 4d08h 10h22m
WARNING in ext4_mb_load_buddy_gfp mm -1 C 4 3d09h 1d08h
KMSAN: uninit-value in __run_timer_base (2) mm 7 3 1d21h 6d03h PATCH [3d07h]
WARNING in ext4_init_orphan_info mm ext4 -1 C done 4 8d04h 7d21h PATCH [7d04h]
INFO: rcu detected stall in sys_madvise (2) mm 1 32 13h08m 16d
WARNING in __alloc_skb (4) mm usb -1 C 5 14h21m 19d
WARNING in copy_process mm -1 syz 2 19d 22d 💬 4 [19d]
BUG: soft lockup in dev_ioctl (2) mm 1 5 25d 25d
linux-next test error: WARNING in __folio_start_writeback fs mm -1 24 13d 25d 💬 3 [19d]
kernel BUG in page_table_check_set mm -1 C 6 12d 25d 💬 5 [23d]
INFO: rcu detected stall in sys_munmap (2) mm 1 syz 26 5d12h 25d 💬 7 [19d]
INFO: rcu detected stall in hub_event (2) kernfs mm 1 syz 36 9h34m 26d
INFO: task hung in v9fs_file_fsync mm fs 1 C done 13 19h12m 29d PATCH [27d]
WARNING in alloc_frozen_pages_noprof mm -1 C 104 10h45m 34d 💬 3 [32d]
WARNING in try_to_migrate_one (3) mm -1 C done 6 14d 37d 💬 4 [36d]
general protection fault in __pte_offset_map_lock (2) mm 2 C 13 34d 41d 💬 1 [41d]
KASAN: slab-use-after-free Read in lru_add (2) mm gfs2 19 C error 2 8d17h 42d
kernel BUG in set_page_refcounted mm ntfs3 -1 syz error 1 46d 45d 💬 3 [42d]
WARNING in trace_suspend_resume mm -1 C 835 3h17m 47d 💬 1 [1d09h]
INFO: rcu detected stall in kernfs_fop_open (7) mm kernfs 1 C error 3 6d14h 49d
WARNING: locking bug in __percpu_counter_limited_add mm 4 1 53d 49d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error 2 25d 58d 💬 2 [57d]
KASAN: slab-use-after-free Read in mas_next_slot (2) mm 19 C done 3 62d 61d 💬 10 [60d]
general protection fault in mas_start mm 2 C error 1 65d 63d 💬 1 [63d]
possible deadlock in lock_next_vma mm 4 C 4 63d 66d 💬 4 [61d]
INFO: rcu detected stall in wb_workfn (4) block mm 1 C error 37 14d 67d 💬 1 [13d]
WARNING: lock held when returning to user space in lock_next_vma mm 4 C done 3 61d 69d 💬 11 [67d]
stack segment fault in mtree_range_walk mm 2 C done 6 64d 69d 💬 1 [69d]
WARNING in xfs_init_fs_context mm -1 17 9d12h 78d 💬 8 [70d]
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 143 1d06h 87d 💬 1 [49d]
INFO: rcu detected stall in sys_unlinkat (3) tomoyo mm 1 31 76d 102d
WARNING: bad unlock balance in copy_process mm 4 86 2h09m 108d
INFO: rcu detected stall in vm_area_alloc (6) bpf mm 1 syz error 4 38d 109d
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) mm cgroups 23 80 18d 114d 💬 1 [18d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 44 19h08m 124d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 2 24d 127d
INFO: rcu detected stall in inet_rtm_newaddr (2) net mm 1 syz error 2 68d 133d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm 1 syz error 8 15d 134d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 4 18d 137d
BUG: Bad page state in page_cache_ra_order mm -1 C error 36 2d02h 137d
INFO: task hung in exit_mmap (2) mm 1 C done error 15 4d23h 144d
kernel BUG in __filemap_add_folio mm fs -1 C done 458 53m 144d
BUG: soft lockup in sys_bpf mm 1 32 23h26m 146d
INFO: task hung in page_cache_ra_order mm fs 1 C done 50 1d06h 146d 💬 1 [146d]
INFO: rcu detected stall in clone (7) mm 1 50 29d 173d
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm 17 C 2 134d 198d
INFO: task hung in rmap_walk_file mm 1 C error 19 14d 221d
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 21 1d20h 221d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 3 27d 234d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 18 44d 255d
KASAN: slab-use-after-free Read in filemap_map_pages mm 19 C inconclusive 15 1d01h 258d 💬 1 [258d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done 3 33d 269d
INFO: rcu detected stall in sys_mkdirat (2) mm 1 44 72d 273d
WARNING in __folio_rmap_sanity_checks (2) mm -1 C inconclusive 15 10d 279d 💬 26 [113d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 71d 281d 💬 6 [190d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 43 14d 282d 💬 2 [28d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 251d 285d 💬 1 [243d]
INFO: rcu detected stall in sys_symlinkat (5) fs mm tomoyo 1 syz error 71 10d 286d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 88 9d09h 289d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 62 20h49m 294d 💬 7 [1d09h]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 24 26d 295d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 32 29d 295d
BUG: corrupted list in list_lru_add mm 19 C inconclusive 20 23h36m 298d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz 86 3d13h 298d
BUG: Bad page state in iomap_write_begin xfs mm -1 C 271 30d 300d 💬 4 [20d]
kernel BUG in resv_map_release (3) mm -1 C inconclusive 22 3d10h 308d 💬 1 [308d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 103 6h00m 310d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 23 18d 316d
INFO: rcu detected stall in brk (2) mm 1 syz 2 257d 319d 💬 8 [319d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 93 11d 321d
INFO: rcu detected stall in sys_readlink (5) mm fs 1 syz done 32 27d 333d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 205d 335d 💬 1 [334d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 47d 336d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 83 24d 340d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 75 25d 348d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 135d 353d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 136 3d14h 362d PATCH [344d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 58 5d11h 364d
INFO: rcu detected stall in x64_sys_call mm 1 syz error 366 51m 371d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 178d 372d 💬 4 [333d]
KMSAN: uninit-value in sw842_compress mm 7 C 66 6d18h 373d 💬 3 [306d]
INFO: task hung in hugetlb_fault mm 1 C done done 65 54d 374d 💬 2 [12d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 172d 377d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3643 7d18h 379d 💬 1 [1d09h]
INFO: rcu detected stall in kcov_close mm 1 132 13d 400d
kernel panic: System is deadlocked on memory (2) mm 2 58 13d 400d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 94 36d 401d PATCH [344d]
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter x86 mm 1 syz error error 556 1d09h 472d
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 249d 472d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 414d 477d
WARNING in shmem_evict_inode (3) mm -1 50 13d 479d
INFO: rcu detected stall in sendmsg (4) net mm 1 C error 59 10h56m 480d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 301 7h55m 482d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 35d 492d 💬 5 [434d]
possible deadlock in gup_fast_fallback ntfs3 mm 4 C done 2729 36d 513d 💬 1 [33d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 423d 530d 💬 2 [409d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 304 5d22h 536d 💬 10 [83d]
WARNING in kunmap_local_indexed mm -1 C 2431 47d 568d
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 39 92d 573d
BUG: soft lockup in pipe_read fs mm 1 syz 5 223d 600d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 580 1d23h 615d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 149 2d00h 656d 💬 6 [651d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 390d 672d
INFO: rcu detected stall in sys_unshare (9) mm kernfs 1 C inconclusive done 57 4d22h 675d 💬 1 [23d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 432d 712d PATCH [53d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 467 18h53m 740d 💬 4 [1d09h]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 449 8h03m 744d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo 1 C error 199 4d00h 764d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm iomap 6 710 15h36m 876d 💬 6 [1d09h]
WARNING in v9fs_fid_get_acl v9fs mm -1 C error error 5489 2h41m 1020d PATCH [380d]
possible deadlock in filemap_fault mm 4 C done 2919 5d18h 1047d 💬 4 [1d09h]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 457 5d11h 1057d 💬 1 [33d]
memory leak in xas_create mm 3 C 15 635d 1165d 💬 9 [671d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25838 9d06h 1270d 💬 2 [1d09h]
INFO: task hung in do_read_cache_folio kasan block mm 1 C error error 179 815d 1317d 💬 3 [803d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1492d 1844d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 209d 1862d 💬 2 [1203d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1161d 2059d 💬 2 [1953d]
moderation (55):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 1 2d03h 2d03h
KCSAN: data-race in copy_mm / dup_mmap (2) mm 6 1 3d23h 3d23h
KCSAN: data-race in copy_mm / mmap_region mm 6 1 5d20h 5d20h
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (9) mm 6 1 6d02h 6d02h
KCSAN: data-race in __set_task_comm / strlen fs mm 6 1 6d16h 6d16h
KCSAN: data-race in copy_mm / copy_page_range (2) mm 6 1 8d13h 8d13h
KCSAN: data-race in getrusage / try_to_migrate_one (3) mm 6 1 8d16h 8d16h
KCSAN: data-race in exec_mmap / vms_clear_ptes (4) mm 6 1 10d 10d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) fs mm 6 2 7d15h 16d
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm 6 1 18d 18d
KCSAN: data-race in mlock_folio / need_mlock_drain (8) mm 6 1 21d 21d
general protection fault in mod_objcg_mlstate cgroups mm 2 1 39d 35d
WARNING in __folio_mark_dirty (3) mm fs -1 1 40d 36d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra (3) ext4 mm 6 8 7d15h 37d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (4) fs mm 6 1 48d 48d
BUG: unable to handle kernel paging request in page_cache_ra_unbounded fs mm 8 1 54d 50d
KCSAN: data-race in __xa_clear_mark / filemap_write_and_wait_range (2) fs mm 6 1 50d 50d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 7 19d 54d
general protection fault in vma_start_read mm 2 1 65d 61d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 2 17d 66d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 4 15d 86d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm wireless 8 2 71d 87d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 6 2 44d 96d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 9 8d20h 117d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 4 38d 139d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 33 1d01h 140d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 62 1d23h 142d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 148 14h17m 143d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 153 1d00h 144d
possible deadlock in page_cache_ra_unbounded (2) fs mm 4 3 76d 151d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 8 19d 154d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 6 21 13h57m 167d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 48 10h18m 169d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) mm iomap 6 33 4d06h 171d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 196 13h57m 223d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 84 8d10h 298d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 324 1d18h 300d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 89 4h58m 300d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 608 13h57m 301d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 69 3d10h 334d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 52 1d18h 337d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 185 1d07h 358d 💬 1 [185d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 138 1d20h 438d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 121 1d07h 438d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 94 1d12h 440d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 597 1d03h 497d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 71 1d04h 523d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 159 2d21h 526d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 1853 15h46m 647d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 926 14h02m 1348d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1496 4h02m 1371d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4821 16h16m 1542d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1550 1d18h 1817d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4095 1d18h 2106d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2204 15h10m 2112d