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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 295
Parent subsystem(s): kernel (72)
Child subsystems: damon (0)
open (106):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in _xfs_buf_alloc mm 1 4d19h 19h14m
BUG: Bad page state in iomap_write_begin mm C 8 2d09h 22h10m 💬 1 [19h25m]
general protection fault in do_migrate_pages mm C 1 5d06h 1d06h PATCH [9h58m]
general protection fault in mas_store_prealloc mm C 6 1d22h 3d20h PATCH [18h15m]
INFO: rcu detected stall in rescuer_thread batman mm ext4 C 9 5d20h 4d08h
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 1 8d02h 7d19h
kernel BUG in resv_map_release (3) mm C 4 7d17h 9d01h 💬 1 [8d18h]
BUG: stack guard page was hit in sys_open mm v9fs C 9 3d04h 9d20h 💬 3 [2d13h]
INFO: rcu detected stall in sys_pipe2 (2) mm 40 1d10h 10d
BUG: unable to handle kernel paging request in schedule mm 1 17d 13d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 6 6d22h 14d PATCH [5d00h]
WARNING in folio_update_gen mm 1 17d 16d PATCH [16d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 2 8d18h 16d
WARNING: locking bug in __set_page_owner mm syz 122 55m 17d 💬 2 [15d]
WARNING: locking bug in __rmqueue_pcplist mm syz 205 now 17d PATCH [1d11h]
INFO: rcu detected stall in brk (2) mm input usb syz 1 24d 20d 💬 8 [19d]
kernel BUG in __page_table_check_zero (2) mm C error 32 11d 21d 💬 6 [15d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 18 1d12h 21d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 19 11h28m 22d
kernel BUG in zap_huge_pmd mm C 2 27d 23d 💬 5 [22d]
WARNING in get_taint (2) mm C 289 6h16m 26d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 2 30d 26d 💬 5 [26d]
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 2 11h54m 35d 💬 1 [34d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 10 4d14h 36d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 41d 37d 💬 6 [35d]
KCSAN: data-race in xas_create / xas_find (8) fs mm 4 10d 38d 💬 2 [37d]
possible deadlock in vma_prepare mm 1 42d 38d 💬 1 [38d]
stack segment fault in folio_wait_writeback fs mm syz 4 37d 38d 💬 2 [36d]
INFO: rcu detected stall in sys_mprotect (8) mm 43 3d02h 40d
INFO: task hung in exit_mmap mm 236 12d 41d 💬 4 [37d]
KMSAN: uninit-value in swap_writepage mm 2 1d18h 41d 💬 2 [40d]
WARNING in vms_complete_munmap_vmas mm C 198 5h12m 43d 💬 1 [40d]
INFO: rcu detected stall in kswapd (3) mm fs usb C 2 34d 45d
WARNING in page_counter_cancel (5) mm C 5 31d 47d 💬 1 [46d]
INFO: rcu detected stall in kjournald2 (2) mm C error 32 9h34m 48d
WARNING in enqueue_dl_entity mm 9 26d 53d
INFO: rcu detected stall in vhci_release mm syz done 5 38d 53d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 54d 54d
kernel BUG in page_table_check_clear (2) mm C 17 20d 56d 💬 1 [55d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 35 3d22h 58d 💬 4 [58d]
INFO: rcu detected stall in shmem_fault (6) mm 49 6h09m 62d PATCH [44d]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 41d 63d 💬 2 [63d]
BUG: corrupted list in do_compact_page mm syz 18 13h32m 63d 💬 1 [48d]
INFO: rcu detected stall in sys_execve (6) mm syz done 20 10h03m 64d
kernel panic: corrupted stack end in kernel_init (2) mm syz 12 52d 67d
possible deadlock in refill_stock cgroups mm 1 72d 68d
INFO: rcu detected stall in x64_sys_call input usb mm syz 136 2h19m 72d
BUG: corrupted list in add_to_unbuddied mm syz 28 17d 73d 💬 4 [33d]
KMSAN: uninit-value in sw842_compress mm C 15 11d 74d 💬 3 [6d19h]
possible deadlock in obj_cgroup_charge mm cgroups 4 69d 74d
INFO: task hung in hugetlb_fault mm C done 65 23d 75d 💬 2 [39d]
kernel BUG in z3fold_page_migrate mm syz 128 2d03h 78d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3605 8h06m 80d 💬 1 [16d]
KMSAN: uninit-value in zswap_store (2) mm 1 85d 81d 💬 1 [78d]
general protection fault in ksm_do_scan mm 9 37d 85d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 13 2d03h 89d
INFO: task hung in hugetlb_wp mm C done 94 18h21m 96d
INFO: rcu detected stall in kcov_close bpf mm 64 2d07h 100d
kernel panic: System is deadlocked on memory (2) mm 16 35d 100d
INFO: rcu detected stall in vm_mmap_pgoff mm 54 9d18h 101d PATCH [44d]
INFO: rcu detected stall in kcov_ioctl (2) mm 66 8d04h 114d 💬 2 [113d]
BUG: Bad page map (8) mm C done 8 25d 125d 💬 10 [51d]
general protection fault in khugepaged (3) mm 13 22d 130d
WARNING in __page_table_check_ptes_set (2) mm C done 110 15d 161d 💬 4 [51d]
WARNING: locking bug in __schedule mm 929 13m 165d 💬 1 [16d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 20d 172d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 5 29d 173d 💬 2 [172d]
INFO: rcu detected stall in ext4_release_file (2) mm ext4 C error done 3 82d 175d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 114d 178d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 125 13h58m 178d
WARNING in shmem_evict_inode (3) mm 20 42d 180d
INFO: rcu detected stall in sys_sendto (7) net mm C error 124 6h29m 183d
INFO: task hung in __lru_add_drain_all (2) mm 266 23d 187d
INFO: rcu detected stall in validate_mm (3) mm C error 30 23d 192d 💬 5 [134d]
general protection fault in __pte_offset_map_lock mm C done 68 43d 199d
possible deadlock in gup_fast_fallback mm C done 949 5h59m 214d 💬 1 [16d]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 208d 222d 💬 6 [216d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 124d 231d 💬 2 [110d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 143 14h55m 237d 💬 10 [67d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 34d 256d 💬 3 [110d]
WARNING in kunmap_local_indexed mm C 1380 121d 268d
INFO: rcu detected stall in sys_syslog (2) mm C error 27 9d12h 274d
BUG: soft lockup in pipe_read mm fs syz 4 161d 301d
INFO: task hung in _vm_unmap_aliases (3) mm C 506 8h17m 316d
INFO: rcu detected stall in dput (8) mm C done 201 4d08h 325d
INFO: rcu detected stall in sys_recvmmsg (3) mm net 66 2d05h 337d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 4 19d 342d
INFO: rcu detected stall in sys_socket (10) mm C done 62 1d02h 356d 💬 6 [352d]
BUG: spinlock recursion in try_to_wake_up crypto mm C 9 91d 373d
INFO: rcu detected stall in worker_thread (9) fs mm C done 2652 2h01m 410d PATCH [403d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 132d 413d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10364 18h50m 423d PATCH [139d]
kernel BUG in filemap_unaccount_folio mm C done done 39 130d 441d 💬 3 [99d]
INFO: rcu detected stall in sys_openat (3) mm C error 240 52m 444d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 110 1h12m 465d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 2d17h 576d 💬 21 [16d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 312 7h28m 576d 💬 6 [48d]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 78 1d20h 700d
possible deadlock in filemap_fault mm C done 1904 11h24m 748d 💬 4 [16d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 202 10h19m 758d 💬 1 [99d]
memory leak in xas_create mm C 15 336d 865d 💬 9 [372d]
WARNING in ext4_dirty_folio mm C inconclusive done 25799 12d 970d 💬 2 [16d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 516d 1018d 💬 3 [503d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 614 2d04h 1538d 💬 7 [48d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1192d 1545d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 862d 1760d 💬 2 [1653d]
moderation (42):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 3 3h30m 22h29m
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 1d13h 1d13h
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 1 1d15h 1d15h
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 1 1d17h 1d17h
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 11 4h57m 2d06h
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (8) mm 1 8d05h 8d05h
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 1 13d 13d
KCSAN: data-race in data_push_tail / dentry_name (3) mm 1 14d 14d
KCSAN: data-race in xas_create / xas_find_marked (7) fs mm 1 19d 19d
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (2) mm 1 24d 24d
WARNING in free_bprm fs mm 1 31d 27d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (2) mm 1 30d 30d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 4 12h44m 35d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 2 29d 38d
BUG: stack guard page was hit in compat_sys_sendfile mm 1 53d 51d
INFO: task hung in writeback_iter fs mm 126 12h32m 51d
general protection fault in validate_mm mm 1 57d 53d
KCSAN: data-race in getrusage / vms_clear_ptes mm 11 1d23h 59d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 3 1d00h 64d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 4 38d 84d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 11 4d17h 128d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 27 3h39m 138d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 30 23h27m 139d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 23 11d 140d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 15 30d 150d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 16 16d 171d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 112 7h07m 197d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 41 1d03h 224d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 68 5h30m 227d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 168 5d05h 313d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 392 13h59m 316d
KCSAN: data-race in call_rcu / mtree_range_walk mm 617 3h44m 316d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 451 1d20h 316d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 633 5h11m 348d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark mm fs 877 2d15h 926d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 809 22m 1049d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1029 10h22m 1072d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4294 5h34m 1243d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1449 5d20h 1517d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3995 5h31m 1807d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1529 4h46m 1813d
corrupted report (2) net mm 766395 now 2415d