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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 329
Parent subsystem(s): kernel (80)
Child subsystems: damon (0)
open (117):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in xfs_init_fs_context mm 3 3d22h 3d06h 💬 3 [22h10m]
INFO: rcu detected stall in exit_to_user_mode_loop mm 41 1d18h 11d
WARNING: bad unlock balance in move_pgt_entry mm C done 8 16d 15d 💬 1 [15d]
possible deadlock in upgrade_mmap_lock_carefully (2) mm ntfs3 C error 6 6d22h 24d 💬 1 [23d]
INFO: rcu detected stall in sys_unlinkat (3) mm 31 1d12h 26d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 7 2d15h 28d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 1 35d 29d
WARNING: bad unlock balance in copy_process mm 3 16d 32d
INFO: rcu detected stall in vm_area_alloc (6) mm syz error 3 10d 33d
possible deadlock in __vma_start_write mm 1 38d 34d 💬 10 [27d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 21 2d12h 39d 💬 1 [4d14h]
INFO: rcu detected stall in vms_gather_munmap_vmas mm syz error 35 6d07h 49d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 25d 51d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended ext4 mm 2 54d 57d 💬 4 [50d]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm syz error 6 13d 59d
INFO: rcu detected stall in nsim_fib_event_work mm C error 3 8d10h 62d
BUG: Bad page state in page_cache_ra_order mm C 14 2d01h 62d
KCSAN: data-race in copy_mm / copy_page_range mm 3 10d 65d
INFO: task hung in exit_mmap (2) mm C done error 8 2d03h 68d
kernel BUG in __filemap_add_folio fs mm C done 75 15h07m 69d
BUG: soft lockup in sys_bpf mm 16 7d00h 70d
INFO: task hung in page_cache_ra_order fs mm C done 29 1d20h 71d 💬 1 [71d]
BUG: sleeping function called from invalid context in emon mm 1 88d 84d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 90d 85d
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 2 36d 86d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 4 19d 92d
INFO: rcu detected stall in clone (7) mm 45 22h05m 98d
general protection fault in xas_create mm bcachefs syz 2 59d 108d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 107d 122d 💬 12 [109d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups C 2 58d 122d
WARNING in get_dump_page ext4 mm C done error 5 113d 126d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 98d 135d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 118d 138d 💬 2 [138d]
INFO: task hung in rmap_walk_file mm C error 19 16d 145d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 132d 146d 💬 2 [137d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 16 7h38m 146d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm syz done 2 21d 159d
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 17 32d 180d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 8 34d 183d 💬 1 [182d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs syz done 3 11d 193d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 58d 198d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 50d 201d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 12 41d 204d 💬 26 [37d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 6 91d 205d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 10d 205d 💬 6 [115d]
INFO: rcu detected stall in sys_umount (3) mm syz done 39 5d04h 206d
possible deadlock in balance_pgdat (2) scsi mm C 4 176d 210d 💬 1 [167d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 62 3h16m 211d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 74 23d 214d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 40 2d15h 219d 💬 7 [149d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 9d07h 219d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 28 4d07h 219d
BUG: corrupted list in list_lru_add mm syz 10 5d18h 222d
INFO: rcu detected stall in security_file_ioctl (9) mm 73 12d 223d
BUG: Bad page state in iomap_write_begin xfs mm C 252 1d00h 224d 💬 4 [7d15h]
kernel BUG in resv_map_release (3) mm C 18 2d04h 233d 💬 1 [232d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 95 13d 234d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 21 2d07h 240d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 149d 241d 💬 2 [147d]
INFO: rcu detected stall in brk (2) mm syz 2 182d 244d 💬 8 [243d]
INFO: rcu detected stall in kthreadd (2) mm C unreliable 75 3d23h 246d
WARNING in get_taint (2) mm C 363 219d 250d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 31 8d08h 257d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 130d 259d 💬 1 [258d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 79d 260d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 265d 261d 💬 6 [259d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 74 2d15h 264d
WARNING in vms_complete_munmap_vmas mm C 2396 21d 267d 💬 1 [19d]
WARNING in page_counter_cancel (5) mm C 15 48d 271d 💬 1 [270d]
INFO: rcu detected stall in kjournald2 (2) mm C error error 72 10d 272d
INFO: rcu detected stall in vhci_release mm syz done done 12 60d 277d
INFO: rcu detected stall in shmem_fault (6) mm C 120 2d15h 286d PATCH [268d]
INFO: rcu detected stall in sys_execve (6) mm syz done 51 13d 288d
INFO: rcu detected stall in x64_sys_call mm syz error 311 1d20h 296d
BUG: corrupted list in add_to_unbuddied mm syz 43 103d 297d 💬 4 [257d]
KMSAN: uninit-value in sw842_compress mm C 65 10d 298d 💬 3 [230d]
INFO: task hung in hugetlb_fault mm C done 65 14d 298d 💬 2 [263d]
kernel BUG in z3fold_page_migrate mm syz 354 96d 302d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 4d01h 304d 💬 1 [19d]
INFO: task hung in hugetlb_wp mm C done inconclusive 94 129d 320d
INFO: rcu detected stall in kcov_close mm 115 15d 324d
kernel panic: System is deadlocked on memory (2) mm 41 4d19h 324d
INFO: rcu detected stall in vm_mmap_pgoff mm 90 4d16h 325d PATCH [268d]
INFO: task hung in filemap_fault (6) mm 192 69d 358d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 174d 396d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 338d 402d
WARNING in shmem_evict_inode (3) mm 42 5d15h 404d
INFO: rcu detected stall in sys_sendto (7) mm C error 276 1d23h 407d
BUG: Bad rss-counter state (5) bcachefs mm C done 2364 10d 415d 💬 3 [19d]
INFO: rcu detected stall in validate_mm (3) mm C error 35 28d 416d 💬 5 [358d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2444 4h25m 438d 💬 1 [19d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 348d 455d 💬 2 [334d]
INFO: rcu detected stall in sys_clone (8) mm C error 276 8h34m 461d 💬 10 [7d15h]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 90d 480d 💬 3 [334d]
WARNING in kunmap_local_indexed mm C 2018 1d08h 492d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 17d 498d
BUG: soft lockup in pipe_read fs mm syz 5 147d 525d
INFO: task hung in _vm_unmap_aliases (3) mm C 568 2d07h 540d
INFO: rcu detected stall in dput (8) mm C done 391 54m 549d
INFO: rcu detected stall in sys_socket (10) mm C done 124 8d12h 580d 💬 6 [576d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 315d 597d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 45 2d14h 600d 💬 1 [113d]
INFO: rcu detected stall in worker_thread (9) mm netfilter C done 3774 2h28m 634d PATCH [627d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 356d 637d
kernel BUG in filemap_unaccount_folio mm C done error 394 13h16m 665d 💬 4 [210d]
INFO: rcu detected stall in sys_openat (3) mm C error 413 3d11h 668d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo C error 186 18d 689d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 226d 800d 💬 21 [240d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 591 6h04m 800d 💬 6 [19d]
possible deadlock in filemap_fault mm C done 2853 6h27m 972d 💬 4 [19d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 427 5d02h 982d 💬 1 [323d]
memory leak in xas_create mm C 15 560d 1089d 💬 9 [596d]
WARNING in ext4_dirty_folio mm C inconclusive done 25824 2d21h 1194d 💬 2 [19d]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 740d 1242d 💬 3 [727d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 1416d 1769d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 133d 1786d 💬 2 [1127d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1086d 1983d 💬 2 [1877d]
moderation (57):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 1 4d08h 4d08h
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 1 8d02h 8d02h
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 1 10d 10d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm 1 15d 11d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm 1 15d 11d
KCSAN: data-race in __mmput / copy_mm mm 1 15d 15d
KCSAN: data-race in copy_mm / dup_mmap mm 1 17d 17d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 1 21d 21d
kernel panic: stack is corrupted in shmem_undo_range mm 1 29d 25d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 1 34d 34d
general protection fault in asm_sysvec_reschedule_ipi mm fs 1 39d 35d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 5 8d09h 39d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 3 18d 41d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 42d 42d
KCSAN: data-race in __percpu_counter_init_many / copy_mm ext4 mm 4 11d 44d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 2 13d 52d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 53d 53d
KMSAN: uninit-value in __folio_cancel_dirty mm fs 1 60d 56d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 3 17d 60d
BUG: soft lockup in dev_ioctl (2) mm 4 1d11h 61d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm 3 4d18h 63d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 16 3d15h 64d
general protection fault in lru_gen_test_recent mm 2 53d 65d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 2 20d 66d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 32 1d12h 67d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 68 5h55m 68d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 72 6h08m 68d
possible deadlock in page_cache_ra_unbounded (2) mm fs 3 1d02h 76d
kernel BUG in folio_clear_dirty_for_io fs mm 2 82d 78d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 3 39d 79d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 3 32d 80d
general protection fault in workingset_refault (2) mm 1 89d 85d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 42d 92d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 19 1d03h 93d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 55d 101d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 6 13d 105d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 91 13d 148d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 63 6d16h 223d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 258 16h43m 224d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 67 6d02h 225d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 472 3d16h 226d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 51 7d08h 259d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 43 1d14h 262d
KCSAN: data-race in getrusage / vms_clear_ptes mm 160 2h17m 283d 💬 1 [109d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 110 1d11h 362d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 101 2d07h 363d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 83 18h18m 364d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 505 5d12h 421d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 50d 448d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 132 5d05h 451d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1566 10h34m 572d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1383 10h38m 1296d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 4685 1h08m 1467d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1526 5d07h 1741d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4082 3h56m 2031d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 2045 1d03h 2037d
corrupted report (2) mm 937994 now 2639d