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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 320
Parent subsystem(s): kernel (86)
Child subsystems: damon (0)
open (127):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in vms_gather_munmap_vmas mm 31 4d19h 2d08h
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 8d21h 4d21h
KCSAN: data-race in copy_fs / free_bprm fs mm 1 9d20h 9d17h
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 7d02h 10d 💬 4 [3d14h]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 19d 15d
BUG: Bad page state in page_cache_ra_order mm C 4 5d10h 15d
INFO: task hung in exit_mmap (2) mm C done 6 2d06h 21d
kernel BUG in __filemap_add_folio fs mm C done 14 13d 22d
INFO: task hung in page_cache_ra_order fs mm C done 19 29m 24d 💬 1 [24d]
WARNING in move_to_new_folio mm C done 13 31d 34d PATCH [15d]
BUG: sleeping function called from invalid context in emon mm 1 41d 37d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 43d 38d
general protection fault in mremap mm C done done 25 43d 41d 💬 8 [2d16h]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 14d 43d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 4d20h 45d
INFO: rcu detected stall in clone (7) mm 43 8d02h 51d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 52d 52d 💬 1 [51d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 61d 57d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 65d 61d
general protection fault in xas_create mm bcachefs syz 2 12d 61d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 71d 66d
WARNING in depot_fetch_stack mm 7 20h17m 73d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 60d 75d 💬 12 [62d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 11d 75d
WARNING in get_dump_page ext4 mm C done error 5 66d 79d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 51d 88d
kernel BUG in shmem_undo_range mm bcachefs syz 1 89d 88d
WARNING in workingset_update_node mm bcachefs syz 1 90d 88d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 71d 91d 💬 2 [91d]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm 1 98d 94d 💬 2 [57d]
INFO: task hung in rmap_walk_file mm C error 19 11h02m 98d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 85d 99d 💬 2 [90d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 10 11d 99d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 67d 101d 💬 2 [91d]
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 10d 132d PATCH [116d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 54d 133d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 32d 136d 💬 1 [135d]
possible deadlock in move_pages (2) mm C done 508 123d 145d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 46d 146d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 11d 151d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 3d22h 154d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 46d 157d 💬 25 [54d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 44d 158d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 36d 158d 💬 6 [68d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 7d11h 159d
possible deadlock in balance_pgdat (2) scsi mm C 4 129d 163d 💬 1 [120d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 55 12d 164d
INFO: rcu detected stall in sys_sendmmsg (7) mm 72 4d22h 167d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 89d 171d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 7h15m 172d 💬 7 [102d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 27d 172d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 37d 172d
BUG: corrupted list in list_lru_add mm bcachefs syz 6 5d15h 175d
INFO: rcu detected stall in security_file_ioctl (9) mm 68 6d04h 176d
BUG: Bad page state in iomap_write_begin xfs mm C 204 7d23h 177d 💬 4 [54d]
kernel BUG in resv_map_release (3) mm C 9 9d22h 186d 💬 1 [185d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 93 22h07m 187d
BUG: unable to handle kernel paging request in schedule mm 21 65d 190d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 18d 193d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 102d 194d 💬 2 [100d]
INFO: rcu detected stall in brk (2) mm syz 2 135d 197d 💬 8 [196d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 51d 198d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 10d 199d
WARNING in get_taint (2) mm C 363 172d 203d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 29 36d 210d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 83d 212d 💬 1 [211d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 32d 213d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 218d 214d 💬 6 [212d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 67 2d18h 217d
KMSAN: uninit-value in swap_writepage mm syz 25 57d 218d 💬 2 [96d]
WARNING in vms_complete_munmap_vmas mm C 1929 59m 220d 💬 1 [4d17h]
WARNING in page_counter_cancel (5) mm C 15 1d11h 224d 💬 1 [223d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 7d17h 225d
INFO: rcu detected stall in vhci_release mm syz done 12 13d 230d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 24d 235d 💬 4 [235d]
INFO: rcu detected stall in shmem_fault (6) mm C 108 16h20m 239d PATCH [221d]
BUG: corrupted list in do_compact_page mm syz 46 51d 240d 💬 1 [225d]
INFO: rcu detected stall in sys_execve (6) mm syz done 46 4d03h 241d
INFO: rcu detected stall in x64_sys_call mm syz error 263 1d06h 249d
BUG: corrupted list in add_to_unbuddied mm syz 43 56d 250d 💬 4 [210d]
KMSAN: uninit-value in sw842_compress mm C 65 23d 251d 💬 3 [183d]
INFO: task hung in hugetlb_fault mm C done 65 31d 252d 💬 2 [216d]
kernel BUG in z3fold_page_migrate mm syz 354 49d 255d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 19d 257d 💬 1 [69d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 51d 266d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 82d 273d
INFO: rcu detected stall in kcov_close mm 111 5d14h 277d
kernel panic: System is deadlocked on memory (2) mm 29 9d03h 277d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 11d 278d PATCH [221d]
INFO: task hung in filemap_fault (6) mm 192 22d 311d
WARNING: locking bug in __schedule mm 1943 53d 342d 💬 1 [69d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 127d 349d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 291d 355d
WARNING in shmem_evict_inode (3) mm 35 6d16h 357d
INFO: rcu detected stall in sys_sendto (7) mm net C error 266 2d23h 360d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 26d 364d
BUG: Bad rss-counter state (5) bcachefs mm C done 2358 3d11h 368d 💬 3 [4d17h]
INFO: rcu detected stall in validate_mm (3) mm C error 34 6d16h 369d 💬 5 [311d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2033 6h25m 391d 💬 1 [4d17h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 301d 408d 💬 2 [287d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 259 9h00m 414d 💬 10 [22d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 43d 433d 💬 3 [287d]
WARNING in kunmap_local_indexed mm C 1520 5h27m 445d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 1d03h 451d
BUG: soft lockup in pipe_read fs mm syz 5 100d 478d
INFO: task hung in _vm_unmap_aliases (3) mm C 520 1h44m 493d
INFO: rcu detected stall in dput (8) mm C done 346 17h33m 502d
INFO: rcu detected stall in sys_socket (10) mm C done 118 5d14h 533d 💬 6 [529d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 268d 550d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 11d 553d 💬 1 [66d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3557 12h27m 587d PATCH [580d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 309d 590d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 44d 600d PATCH [316d]
kernel BUG in filemap_unaccount_folio mm C done error 370 40d 618d 💬 4 [163d]
INFO: rcu detected stall in sys_openat (3) mm C error 399 11h31m 621d
INFO: rcu detected stall in sys_unlink (3) mm C error 182 6d23h 642d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 179d 753d 💬 21 [193d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 536 11h22m 753d 💬 6 [4d17h]
possible deadlock in filemap_fault mm block C done 2781 23h31m 925d 💬 4 [4d17h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 412 4d09h 935d 💬 1 [276d]
memory leak in xas_create mm C 15 513d 1042d 💬 9 [549d]
WARNING in ext4_dirty_folio mm C inconclusive done 25812 12d 1147d 💬 2 [4d17h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 693d 1195d 💬 3 [680d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 652 1d02h 1715d 💬 7 [4d17h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1369d 1722d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 86d 1739d 💬 2 [1080d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1039d 1937d 💬 2 [1830d]
moderation (54):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last mm 1 3d07h 3d07h
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 5d19h 5d19h
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 6d06h 6d06h
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 13d 9d04h
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 3 10d 9d09h
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 2d09h 13d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 12d 16d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 3 11d 17d
general protection fault in lru_gen_test_recent mm 2 6d12h 18d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 9 12h22m 20d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 25 4h09m 21d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 25 15h43m 21d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 27d 27d
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 33d 29d
kernel BUG in folio_clear_dirty_for_io fs mm 2 35d 31d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 2 16d 32d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 32d 32d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 33d 33d
general protection fault in workingset_refault (2) mm 1 42d 38d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 2 45d 45d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 8 13h11m 46d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 6 3h33m 49d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 47d 52d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 8d08h 54d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 48d 56d
general protection fault in refill_obj_stock mm cgroups 4 1d06h 60d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 71d 67d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 21 9h39m 101d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 13d 110d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 5 28d 144d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 48 18h35m 176d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 225 9h23m 177d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 53 1d15h 178d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 388 7h53m 179d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 39 7h56m 212d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 33 24d 215d
KCSAN: data-race in getrusage / vms_clear_ptes mm 124 1d17h 236d 💬 1 [62d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 97 3d08h 315d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 89 2h04m 316d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 73 2d12h 317d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 438 8h22m 374d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 3d02h 401d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 115 7d01h 404d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 22d 490d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 23d 493d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 22d 493d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 23d 493d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1379 8h40m 525d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 880 19h59m 1226d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1317 9h10m 1249d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4604 8h50m 1420d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1521 10h56m 1694d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4070 3d23h 1984d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1954 8h36m 1990d