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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 277
Parent subsystem(s): kernel (86)
Child subsystems: damon (0) maple-tree (1)
open (58):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in try_charge_memcg cgroups mm 1 9d18h 5d18h
possible deadlock in mmap_read_lock mm 1 11d 7d11h 💬 1 [7d06h]
BUG: Bad page map (8) mm C 1 12d 8d09h 💬 9 [3d21h]
kernel BUG in resv_map_release (2) mm 1 17d 13d
general protection fault in khugepaged (3) mm 5 13d 13d
possible deadlock in __mmap_lock_do_trace_released mm C done 5 7d18h 24d 💬 5 [15d]
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (3) mm 2 32d 32d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (2) mm 2 11d 35d 💬 3 [32d]
BUG: soft lockup in call_timer_fn mm 16 4d05h 39d
WARNING in __page_table_check_ptes_set (2) mm 15 37d 44d 💬 4 [44d]
BUG: unable to handle kernel NULL pointer dereference in __swap_duplicate mm C 1 57d 53d
kernel panic: corrupted stack end in userfaultfd_ioctl mm C 1 57d 53d 💬 3 [52d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 43d 55d
UBSAN: shift-out-of-bounds in do_shrink_slab mm 4 59d 56d 💬 3 [53d]
INFO: rcu detected stall in kcompactd (2) mm C error 4 13d 56d 💬 2 [55d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error 3 31d 58d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error 541 1h33m 61d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 95 15h30m 61d
WARNING in shmem_evict_inode (3) mm 15 9d14h 63d
INFO: task hung in __lru_add_drain_all (2) mm 215 10h43m 70d
BUG: Bad rss-counter state (5) mm C done 787 3d12h 74d 💬 3 [25d]
INFO: rcu detected stall in validate_mm (3) mm C error 17 2d12h 75d 💬 5 [18d]
INFO: rcu detected stall in sock_write_iter (3) mm netfilter C done 15 15d 80d 💬 1 [80d]
general protection fault in __pte_offset_map_lock mm C done 66 3d15h 82d
WARNING in hpage_collapse_scan_pmd (2) mm syz 3 80d 84d 💬 1 [81d]
KMSAN: uninit-value in zswap_rb_insert mm 1 92d 88d 💬 1 [87d]
possible deadlock in __mmap_lock_do_trace_start_locking mm C done 27 1d09h 92d 💬 1 [40d]
WARNING: locking bug in find_lock_lowest_rq ext4 mm C error 19 9d20h 93d 💬 2 [58d]
possible deadlock in gup_fast_fallback mm C done 71 1h53m 97d
KASAN: slab-use-after-free Read in hugetlb_fault mm C done done 6 76d 100d 💬 2 [46d]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 91d 105d 💬 6 [99d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error 498 7d14h 114d 💬 2 [25d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 40 4d13h 120d 💬 10 [24d]
INFO: rcu detected stall in asm_exc_page_fault mm input usb syz 2 4d07h 139d 💬 3 [137d]
WARNING in try_to_migrate_one (2) mm C error error 6 80d 139d 💬 2 [102d]
WARNING in kunmap_local_indexed mm C 1380 4d23h 151d
BUG: soft lockup in pipe_read fs mm syz 4 44d 184d
INFO: rcu detected stall in dput (8) mm C done 115 13h05m 208d
kernel BUG in add_to_swap mm 7 60d 220d 💬 1 [220d]
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 33d 225d
BUG: spinlock recursion in try_to_wake_up mm C 2 105d 256d
WARNING in __gup_longterm_locked (2) mm 17 62d 269d
INFO: rcu detected stall in worker_thread (9) mm netfilter batman C done 1509 1h29m 293d PATCH [287d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 15d 296d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10263 4d01h 307d PATCH [22d]
kernel BUG in filemap_unaccount_folio mm C done 39 13d 324d 💬 3 [129d]
BUG: unable to handle kernel paging request in list_lru_add mm C done 11367 14d 326d 💬 2 [13d]
INFO: rcu detected stall in sys_openat (3) mm C error 74 3h43m 327d
kernel BUG in do_page_mkwrite mm C done error 16 84d 345d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 728 5d01h 459d 💬 5 [25d]
possible deadlock in filemap_fault mm C done 1238 10h24m 631d 💬 3 [25d]
memory leak in xas_create mm C 15 219d 749d 💬 9 [255d]
WARNING in ext4_dirty_folio mm C inconclusive done 25793 5d12h 853d 💬 1 [25d]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 399d 901d 💬 3 [386d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1347d 1344d 💬 10 [1267d]
INFO: rcu detected stall in addrconf_dad_work (5) kasan mm wireless C done inconclusive 12 35d 1418d
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1075d 1428d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 745d 1643d 💬 2 [1536d]
moderation (59):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in compact_zone / isolate_migratepages_block (4) mm 1 2h59m 2h58m
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (9) mm 2 2h59m 2h59m
BUG: unable to handle kernel paging request in mmap_region mm 2 4d01h 17h02m
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 1 11d 11d
kernel panic: System is deadlocked on memory (2) mm 2 8d02h 13d
KCSAN: data-race in folio_alloc_swap / free_swap_slot mm 1 14d 14d
upstream test error: KCSAN: data-race in generic_fillattr / shmem_unlink mm 1 14d 14d
KCSAN: data-race in __lru_add_drain_all / folio_activate (6) mm 1 17d 17d
KCSAN: data-race in exec_mmap / mm_update_next_owner (5) fs mm 1 18d 18d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 5 11h23m 21d
general protection fault in ksm_do_scan mm 2 19d 22d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 5 7h03m 22d
KCSAN: data-race in bprm_execve / copy_fs (3) fs mm 2 16d 23d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 9 2d14h 23d
KCSAN: data-race in do_try_to_free_pages / shrink_node (6) mm 1 26d 26d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (11) mm fs 1 27d 27d
BUG: corrupted list in __page_cache_release mm 4 31d 27d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (5) fs mm 1 29d 29d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 5 11d 29d
general protection fault in __mod_memcg_state cgroups mm 1 34d 30d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (6) fs mm 1 32d 32d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 4 7d18h 33d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (4) mm fs 1 33d 33d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked fs mm 2 6d10h 33d
KCSAN: data-race in list_lru_add / list_lru_count_node (11) mm 1 34d 34d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 12d 37d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 7 2d18h 38d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (2) mm 2 33d 45d
kernel panic: corrupted stack end in vma_iter_store mm 1 52d 48d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (4) mm 7 5d23h 52d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (6) mm iomap 4 8d04h 53d
kernel panic: corrupted stack end in handle_page_fault mm 1 58d 54d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 9 2d09h 54d
kernel panic: corrupted stack end in mntput fs mm 2 44d 55d
BUG: unable to handle kernel paging request in ntfs_fill_super (2) mm 3 49d 79d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 14 1d22h 80d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 9 6d05h 88d
KCSAN: data-race in ondemand_readahead / ondemand_readahead (11) mm fs 98 24d 102d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 22 2d04h 107d
KCSAN: data-race in getrusage / unmap_region mm 37 20h09m 108d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 37 1d07h 110d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 820 6m 179d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 115 2d13h 196d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 289 10h54m 199d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 259 9h33m 199d
KCSAN: data-race in call_rcu / mtree_range_walk mm 423 11h43m 199d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 336 10h52m 199d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 303 13h00m 231d
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 146 32d 232d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 308 17d 232d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 295 25d 232d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 716 21h27m 809d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 759 4d02h 932d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 852 2h31m 955d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4055 12h56m 1126d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1422 1d22h 1400d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 3835 16h13m 1690d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1344 10h13m 1696d
corrupted report (2) fs mm 555473 now 2298d