mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 417
Parent subsystem(s): kernel (107)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in ep_write_iter prio:low mm -1 C 3 5h29m 19h17m 💬 10 [6m]
BUG: Bad page state in corrupted mm prio:high -1 syz, C 1 8d21h 4d14h PATCH [28m]
WARNING in mmap_region mm prio:low -1 syz 16 10d 8d18h 💬 1 [7d03h]
BUG: sleeping function called from invalid context in mmc_free_host mmc mm prio:high 5 syz, C error 186 1h06m 11d PATCH [6h27m]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 34 3d17h 12d 💬 6 [10d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 27 12h06m 15d
WARNING in alloc_vmap_area mm -1 2 17d 16d
INFO: rcu detected stall in filemap_read mm kasan prio:normal 1 syz 1 21d 16d
WARNING in mas_nomem mm prio:low -1 syz 14 6h28m 17d 💬 10 [9d18h]
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 2 17d 24d
WARNING in update_rq_clock (2) prio:low mm -1 syz, C 34 1d03h 45d 💬 3 [14d]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error error 1 50d 48d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 51 1d07h 58d PATCH [45d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 23d 58d 💬 1 [55d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 12d 58d
KASAN: invalid-free in rcu_free_sheaf prio:high netfilter mm arm 24 6 36d 65d PATCH [30d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 80d 76d PATCH [74d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 10 15d 78d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 3 10d 79d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 42 8d11h 81d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 59d 83d PATCH [81d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 74d 88d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 93d 89d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 90d 92d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 45d 97d 💬 1 [96d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 79d 97d PATCH [95d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 96d 118d 💬 2 [117d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 107 4d11h 122d 💬 7 [67d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 58d 130d 💬 1 [130d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 33572 9m 140d PATCH [114d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 2d04h 154d 💬 3 [154d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 33d 167d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2403 5h31m 171d 💬 2 [117d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 35 10d 176d 💬 4 [1d02h]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 21d 179d PATCH [61d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 15d 183d
memory leak in __kfree_rcu_sheaf prio:high mm exfat f2fs 3 syz 1 190d 188d 💬 28 [104d]
BUG: Bad rss-counter state (6) prio:high mm -1 111 7d12h 190d
kernel BUG in page_table_check_set (2) prio:low mm -1 750 7h05m 192d 💬 1 [190d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 118d 202d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 204d 202d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 9 1d04h 224d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 62 2d06h 238d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 3d02h 240d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 209d 245d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 16 1d04h 252d PATCH [21d]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 195d 257d PATCH [236d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 21d 262d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 99d 293d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 93 6d07h 299d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 274 4d20h 307d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 49d 320d PATCH [310d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 170d 336d PATCH [326d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 61 13d 351d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 48d 354d PATCH [208d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 157d 354d PATCH [330d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 48 3d04h 360d 💬 7 [6d01h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 99d 377d PATCH [33d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3885 2d19h 381d 💬 1 [23d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 20d 393d 💬 2 [392d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 229d 417d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 674 12h44m 421d 💬 2 [7h21m]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 20d 444d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 65 8h50m 459d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 225d 462d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 66d 469d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 46d 472d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2146 34m 479d PATCH [242d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 207 7d17h 481d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 18h22m 481d 💬 1 [481d]
INFO: rcu detected stall in clone (7) prio:high mm 1 128 21h27m 508d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 16d 569d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 25d 590d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 65d 616d 💬 6 [525d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 6d04h 617d 💬 2 [363d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 586d 620d 💬 1 [578d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 145 10d 624d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 40d 629d 💬 7 [54d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 69 1d09h 630d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 106 1d09h 630d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 173 10d 633d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 142 1d19h 644d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 136 8d02h 656d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 90d 669d 💬 1 [669d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 382d 670d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 130 5d21h 675d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 21d 683d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 87d 688d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 260 23h40m 697d PATCH [679d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 89 7d23h 699d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 619 20h42m 706d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 513d 707d 💬 4 [668d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 206d 714d 💬 1 [210d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 241 12h18m 735d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 231 1d16h 735d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 119 9d11h 736d PATCH [679d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 14d 781d PATCH [563d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 20d 807d
WARNING in shmem_evict_inode (3) prio:normal mm -1 100 7d05h 814d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 41d 815d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 402 18d 817d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 1d01h 827d 💬 5 [769d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 758d 865d 💬 2 [744d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 487 14h36m 871d 💬 10 [418d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 8d19h 908d
BUG: soft lockup in pipe_read fs mm 1 syz 5 558d 935d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 708 4d06h 950d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 292 17h25m 990d 💬 6 [986d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 725d 1007d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 767d 1047d PATCH [388d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 512 3d00h 1075d 💬 4 [23d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 684 2d06h 1079d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 413 6d16h 1099d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1092 1h56m 1211d PATCH [147d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3119 13h23m 1382d PATCH [47d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 614 1d07h 1392d 💬 1 [23d]
memory leak in xas_create prio:high mm 3 syz, C 60 21h48m 1500d PATCH [265d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25920 1d18h 1604d 💬 2 [86d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1150d 1652d 💬 3 [1138d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1826d 2179d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1496d 2394d 💬 2 [2288d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in compact_zone / compact_zone (10) mm race:benign 6 1 8h57m 8h56m
KCSAN: data-race in copy_mm / vma_complete (4) mm race:benign prio:low 6 1 15d 15d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) mm race:benign prio:low 6 1 18d 18d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) mm fs race:benign prio:high 6 1 22d 22d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 29d 29d
general protection fault in __refill_obj_stock prio:high mm cgroups 2 1 48d 44d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) race:benign prio:high mm fs 6 1 48d 48d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 52d 52d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 54d 54d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 44d 56d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 3 19d 59d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 5 3d03h 64d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 50d 76d
WARNING in do_mmap prio:low mm fs -1 1 87d 83d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 48d 94d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 48d 106d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 8d04h 109d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 34 7d11h 122d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 75 12h27m 123d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 129 14h03m 211d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 35d 283d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 34 1d15h 337d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 153 5d14h 504d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 2d21h 633d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 20h26m 635d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 956 8d05h 636d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 232 3d00h 773d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 163 12d 775d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 875 2d07h 832d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 29d 858d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 4d05h 861d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 1d05h 981d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3030 3h03m 982d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 968 10d 1683d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2033 10h53m 1706d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5509 3h25m 1877d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1686 8d10h 2152d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4161 6d21h 2441d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2592 5h50m 2447d