mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 414
Parent subsystem(s): kernel (90)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 1 8d06h 4d06h
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error 1 30d 28d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 29 31m 38d PATCH [25d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 4d01h 38d 💬 1 [36d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 1 38d 38d
KASAN: invalid-free in rcu_free_sheaf prio:high mm arm net 24 6 16d 45d PATCH [10d]
upstream test error: WARNING in call_timer_fn prio:high mm -1 1 55d 51d 💬 1 [51d]
linux-next test error: kernel BUG in post_alloc_hook prio:low mm -1 4 54d 54d 💬 2 [54d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 60d 56d PATCH [54d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 9 10d 58d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 2 25d 59d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 40 21d 61d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 39d 63d PATCH [61d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 54d 68d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 73d 69d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 70d 72d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 25d 77d 💬 1 [76d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 59d 77d PATCH [75d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm 5 1 90d 86d 💬 3 [85d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high arch mm 5 3 88d 89d 💬 2 [57d]
WARNING in __page_cache_release prio:low mm -1 1 93d 89d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm 5 1 96d 95d 💬 2 [95d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 76d 98d 💬 2 [97d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 99 1d11h 102d 💬 7 [47d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86 5 2 95d 103d PATCH [53d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 38d 110d 💬 1 [110d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 29887 17m 120d PATCH [94d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 30d 134d 💬 3 [134d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 13d 147d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2355 23h55m 152d 💬 2 [97d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 29 6d06h 156d 💬 4 [22d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 1d18h 159d PATCH [41d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 40 24d 163d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 170d 168d 💬 28 [84d]
BUG: Bad rss-counter state (6) prio:high mm -1 110 23d 170d
kernel BUG in page_table_check_set (2) prio:low mm -1 733 1d09h 172d 💬 1 [170d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 98d 182d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 184d 182d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 8 20d 204d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 55 48m 218d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 52 24d 221d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 189d 225d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 13 1d18h 232d PATCH [1d08h]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 175d 237d PATCH [216d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 1d09h 243d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 79d 273d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 89 8d20h 279d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 267 1d22h 287d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error 27195 29d 300d PATCH [290d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 150d 316d PATCH [306d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 60 25d 331d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 28d 334d PATCH [188d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 137d 334d PATCH [310d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 46 14h23m 340d 💬 7 [220d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 79d 357d PATCH [13d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3863 3d07h 362d 💬 1 [3d12h]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 1d01h 373d 💬 2 [372d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 209d 397d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 627 5h37m 402d 💬 1 [364d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 3h27m 424d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 61 35d 439d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 205d 442d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 46d 449d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 26d 452d
INFO: task hung in exit_mmap (2) prio:low mm 1 syz, C done error 59 98d 459d PATCH [6d10h]
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2055 3h54m 459d PATCH [222d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 203 5d19h 461d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 123 2d22h 461d 💬 1 [461d]
INFO: rcu detected stall in clone (7) prio:high mm 1 119 7d08h 488d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 6 71d 549d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 5d17h 570d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 45d 596d 💬 6 [505d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 57 37d 597d 💬 2 [343d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 566d 600d 💬 1 [558d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 141 20d 604d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 20d 609d 💬 7 [34d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 67 1d01h 610d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 97 23h21m 610d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 170 8h31m 613d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 136 5d09h 625d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 132 22h55m 636d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 70d 650d 💬 1 [649d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 362d 651d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 126 4d19h 655d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 1d09h 663d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 67d 668d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 256 2d21h 677d PATCH [659d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 88 2d18h 679d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 588 19h46m 686d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 493d 687d 💬 4 [648d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 186d 694d 💬 1 [190d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 227 16h11m 715d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 190 5h25m 715d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 117 10d 716d PATCH [659d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 56d 761d PATCH [543d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 19h44m 787d
WARNING in shmem_evict_inode (3) prio:normal mm -1 97 12d 794d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 21d 795d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 401 8h57m 797d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 26d 807d 💬 5 [749d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 738d 845d 💬 2 [725d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 466 1d01h 851d 💬 10 [398d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 52 5d18h 889d
BUG: soft lockup in pipe_read fs mm 1 syz 5 538d 915d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 700 21h13m 930d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 277 7h02m 971d 💬 6 [966d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 705d 987d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 747d 1027d PATCH [368d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 497 8d02h 1055d 💬 4 [3d12h]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 650 23h21m 1059d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 402 4d06h 1079d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1073 2h23m 1191d PATCH [127d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3106 7h35m 1362d PATCH [27d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 589 1d09h 1372d 💬 1 [3d12h]
memory leak in xas_create prio:high mm 3 syz, C 57 6d22h 1480d PATCH [245d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25915 1d03h 1585d 💬 2 [66d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1130d 1632d 💬 3 [1118d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1807d 2159d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1476d 2374d 💬 2 [2268d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) mm fs race:benign prio:high 6 1 2d06h 2d06h
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 9d21h 9d21h
general protection fault in __refill_obj_stock mm cgroups prio:high 2 1 28d 24d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) fs mm race:benign prio:high 6 1 28d 28d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 32d 32d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 34d 34d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 24d 36d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 2 36d 39d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 3 13d 44d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) race:benign prio:high mm fs 6 1 46d 46d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) race:benign prio:high fs mm 6 1 47d 47d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) race:benign prio:low fs mm 6 1 49d 49d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) prio:low race:benign mm 6 1 50d 50d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 30d 56d
WARNING in do_mmap prio:low mm fs -1 1 67d 63d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 28d 74d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 28d 86d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 3 24d 89d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 31 7d08h 102d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 68 2d18h 103d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 105 2h52m 192d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 15d 263d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 32 1d02h 317d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 152 11d 484d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 165 4d16h 613d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 641 1d10h 615d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 954 3d14h 616d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 224 8d00h 753d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 162 2d07h 755d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 870 4d21h 812d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 9d16h 838d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 216 15d 841d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 179 15h32m 961d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 2952 1h55m 962d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 967 13d 1663d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2001 12h50m 1686d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5465 3h17m 1857d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1681 1d20h 2132d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4160 1d12h 2421d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2581 7d06h 2427d