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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 384
Parent subsystem(s): kernel (88)
Child subsystems: damon (0)
open (110):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in raw_ioctl mm -1 C 10 1d17h 1d22h 💬 5 [1d04h]
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 31 3d23h 4d18h
general protection fault in call_timer_fn (2) kernfs x86 mm 19 5 11d 11d
INFO: task hung in migrate_pages_batch (4) mm 1 33 4d16h 12d
INFO: task hung in __rmap_walk_file mm 1 C 7 4d06h 16d 💬 3 [13d]
possible deadlock in hugetlb_vma_lock_read mm 4 3 15d 17d
WARNING in path_noexec (2) fs mm -1 C error 3856 6h54m 26d PATCH [15d]
possible deadlock in ksm_do_scan mm 4 1 32d 28d 💬 1 [27d]
KCSAN: data-race in try_to_compact_pages / try_to_compact_pages mm 6 1 32d 30d 💬 1 [30d]
possible deadlock in xdp_umem_pin_pages mm bpf net 4 2 32d 31d
WARNING: bad unlock balance in hugetlb_vmdelete_list fs mm 4 C 1 33d 33d PATCH [31d]
WARNING in __bch2_writepage mm -1 1 37d 33d
kernel BUG in __free_one_page (2) mm -1 C 4 30d 40d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 4 29d 41d PATCH [31d]
KMSAN: uninit-value in __run_timer_base (2) batman mm 7 5 35d 46d PATCH [43d]
INFO: rcu detected stall in sys_madvise (2) mm 1 33 3d12h 56d
WARNING in __alloc_skb (4) mm -1 C 6 14d 59d PATCH [36d]
WARNING in copy_process mm -1 syz 2 59d 62d 💬 4 [59d]
BUG: soft lockup in dev_ioctl (2) mm 1 5 65d 65d
linux-next test error: WARNING in __folio_start_writeback fs mm -1 24 54d 65d 💬 3 [60d]
kernel BUG in page_table_check_set mm -1 C 6 52d 65d 💬 5 [64d]
INFO: rcu detected stall in sys_munmap (2) mm 1 syz error 26 45d 65d 💬 7 [59d]
WARNING in alloc_frozen_pages_noprof mm -1 C 169 5d12h 74d 💬 3 [72d]
KASAN: slab-use-after-free Read in lru_add (2) mm gfs2 19 C error 2 48d 83d
kernel BUG in set_page_refcounted mm ntfs3 -1 syz error 1 87d 86d 💬 3 [82d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error 3 15d 89d
WARNING: locking bug in __percpu_counter_limited_add mm 4 1 94d 90d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error 3 27d 98d 💬 2 [97d]
INFO: rcu detected stall in wb_workfn (4) block mm 1 C error 39 5d21h 107d 💬 1 [53d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error 2 10d 122d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 194 3h07m 127d 💬 1 [89d]
INFO: rcu detected stall in vm_area_alloc (6) mm bpf 1 syz error 4 78d 149d
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 23 80 59d 154d 💬 1 [58d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 49 35d 164d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 2 30d 167d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 8 55d 175d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 5 10d 178d
BUG: Bad page state in page_cache_ra_order mm -1 C error 37 23d 178d
INFO: task hung in exit_mmap (2) mm 1 C done error 25 1d01h 184d
kernel BUG in __filemap_add_folio fs mm -1 C done 834 1h12m 184d
BUG: soft lockup in sys_bpf mm 1 C 43 1d05h 186d
INFO: task hung in page_cache_ra_order fs mm 1 C done 63 2d06h 187d 💬 1 [186d]
INFO: rcu detected stall in clone (7) mm 1 53 11d 213d
INFO: task hung in rmap_walk_file mm 1 C error 19 17d 261d
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 24 4d16h 262d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 3 67d 274d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 C error error 20 8d06h 295d
KASAN: slab-use-after-free Read in filemap_map_pages mm 19 C inconclusive 17 25d 298d 💬 1 [298d]
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 73d 309d
WARNING in __folio_rmap_sanity_checks (2) mm -1 C inconclusive 17 7d07h 319d 💬 26 [153d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 8d05h 321d 💬 6 [230d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 44 22d 322d 💬 2 [68d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 292d 325d 💬 1 [283d]
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo fs 1 syz error 73 18d 326d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 91 9d03h 330d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 66 23d 334d 💬 7 [41d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 27 4d06h 335d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 36 2d15h 335d
BUG: corrupted list in list_lru_add mm 19 C inconclusive 21 9d19h 338d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 92 6d17h 338d
kernel BUG in resv_map_release (3) mm -1 C inconclusive 23 9d00h 348d 💬 1 [348d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 106 3d10h 350d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 24 21d 356d
INFO: rcu detected stall in brk (2) mm 1 syz 2 297d 360d 💬 8 [359d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 99 4d08h 361d
INFO: rcu detected stall in sys_readlink (5) mm 1 syz done 34 3d02h 373d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 246d 375d 💬 1 [374d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 87d 376d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 87 2d05h 380d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 77 15d 388d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 176d 393d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 141 1d03h 402d PATCH [384d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 62 11d 404d
INFO: rcu detected stall in x64_sys_call mm kasan 1 C error 402 1d10h 412d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 218d 412d 💬 4 [373d]
KMSAN: uninit-value in sw842_compress mm 7 C 68 21d 413d 💬 3 [3d12h]
kernel BUG in z3fold_page_migrate mm -1 syz 354 212d 417d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3646 2d06h 419d 💬 1 [41d]
INFO: rcu detected stall in kcov_close mm 1 145 3d02h 440d
kernel panic: System is deadlocked on memory (2) mm 2 66 4d20h 440d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 98 10d 441d PATCH [384d]
INFO: rcu detected stall in addrconf_rs_timer (6) x86 mm netfilter 1 syz error error 594 3d06h 512d
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 289d 512d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 454d 517d
WARNING in shmem_evict_inode (3) mm -1 52 8d13h 519d
INFO: rcu detected stall in sendmsg (4) mm net 1 C error 59 5d11h 520d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 314 7d15h 523d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 3d07h 532d 💬 5 [474d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 464d 570d 💬 2 [450d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 315 6d11h 576d 💬 10 [123d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 39 132d 614d
BUG: soft lockup in pipe_read fs mm 1 syz 5 263d 640d
INFO: rcu detected stall in sys_recvmmsg (3) mm net 1 195 2d18h 677d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 163 1d10h 696d 💬 6 [691d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 430d 713d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 69 3d18h 715d 💬 1 [33d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 472d 753d PATCH [93d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 485 21d 781d 💬 4 [10d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 461 3d02h 784d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 210 1d04h 804d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 768 17h42m 916d 💬 6 [41d]
WARNING in v9fs_fid_get_acl mm v9fs -1 C error error 5678 16d 1060d PATCH [420d]
possible deadlock in filemap_fault mm 4 C done 2932 1d14h 1087d 💬 4 [10d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 469 11d 1097d 💬 1 [10d]
memory leak in xas_create mm 3 C 15 676d 1205d 💬 9 [711d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25843 10d 1310d 💬 2 [10d]
INFO: task hung in do_read_cache_folio mm block kasan 1 C error error 179 856d 1357d 💬 3 [843d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1532d 1884d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 249d 1902d 💬 2 [1243d]
INFO: task hung in do_read_cache_page (3) mm fs 1 C done inconclusive 88 1202d 2099d 💬 2 [1993d]
moderation (59):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in flush_end_io fs mm 4 23 54m 13h55m
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (2) mm 6 4 6d14h 7d19h
KCSAN: data-race in copy_mm / vma_complete (2) mm 6 1 11d 11d
general protection fault in lru_gen_test_recent (2) mm 2 1 15d 11d
KCSAN: data-race in generic_fillattr / shmem_symlink (5) mm 6 1 12d 12d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (4) mm fs -1 1 14d 14d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (4) mm 6 1 19d 19d
KCSAN: data-race in __wb_writeout_add / __wb_writeout_add mm fs 6 1 22d 22d
KASAN: slab-use-after-free Read in __list_lru_walk_one (3) mm 19 2 22h12m 23d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) mm fs 6 2 24d 29d
KCSAN: data-race in compact_zone / compact_zone (8) mm 6 1 32d 32d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 2 18d 35d
KCSAN: data-race in invalidate_inode_pages2_range / xas_store (3) mm 6 1 36d 36d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (8) cgroups mm 6 1 39d 39d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 3 14d 42d
KCSAN: data-race in copy_mm / dup_mmap (2) mm 6 1 44d 44d
KCSAN: data-race in copy_mm / mmap_region mm 6 1 46d 46d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (9) mm 6 1 46d 46d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 4 2h36m 46d
KCSAN: data-race in copy_mm / copy_page_range (2) mm 6 1 48d 48d
KCSAN: data-race in getrusage / try_to_migrate_one (3) mm 6 3 33d 48d
KCSAN: data-race in exec_mmap / vms_clear_ptes (4) mm 6 1 50d 50d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) fs mm 6 3 8d04h 57d
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm 6 2 5d00h 58d
general protection fault in mod_objcg_mlstate cgroups mm 2 1 79d 75d
WARNING in __folio_mark_dirty (3) mm fs -1 7 20h57m 77d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra (3) mm ext4 6 16 23d 77d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 3 8d22h 106d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 9 2d07h 126d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 9 49d 157d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 36 33d 180d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 76 2d04h 182d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 194 8h23m 183d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 169 24d 184d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 10 23d 194d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 6 25 23d 207d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 61 3d09h 209d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 230 22d 263d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 98 2d08h 338d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 347 3d09h 340d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 103 1d00h 341d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 666 6h51m 341d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 82 2d06h 374d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 55 25d 377d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 189 24d 398d 💬 1 [225d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 147 4d01h 478d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 141 2d23h 478d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 101 2h00m 480d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 634 6h43m 537d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 76 10d 563d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 179 1d15h 566d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 2022 3h23m 687d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 935 3d05h 1389d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1551 14h54m 1412d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 4899 3h18m 1583d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1572 2h28m 1857d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4106 2d07h 2146d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2266 15h44m 2152d
corrupted report (2) mm -1 999978 now 2755d