mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 414
Parent subsystem(s): kernel (88)
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 7d04h 3d03h
INFO: rcu detected stall in sys_epoll_wait (9) mm usb input prio:high 1 C error 1 29d 27d
INFO: rcu detected stall in dentry_kill prio:high mm 1 C error 25 27m 37d PATCH [24d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 2d22h 37d 💬 1 [34d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 1 37d 37d
KASAN: invalid-free in rcu_free_sheaf prio:high mm arm net 24 6 15d 44d PATCH [9d01h]
upstream test error: WARNING in call_timer_fn prio:high mm -1 1 54d 50d 💬 1 [50d]
linux-next test error: kernel BUG in post_alloc_hook prio:low mm -1 4 53d 53d 💬 2 [53d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 59d 55d PATCH [53d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 9 9d05h 57d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 2 24d 58d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 40 20d 60d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 C 3 38d 62d PATCH [60d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 53d 67d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 72d 68d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 69d 71d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 24d 76d 💬 1 [75d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 58d 76d PATCH [74d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm 5 1 89d 85d 💬 3 [83d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high arch mm 5 3 87d 88d 💬 2 [55d]
WARNING in __page_cache_release prio:low mm -1 1 92d 88d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm 5 1 95d 94d 💬 2 [94d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 75d 97d 💬 2 [96d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 99 9h07m 101d 💬 7 [46d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86 5 2 94d 102d PATCH [52d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 37d 109d 💬 1 [109d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 C error 29661 now 119d PATCH [93d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 29d 133d 💬 3 [132d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 12d 146d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2354 7h11m 150d 💬 2 [96d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 29 5d03h 155d 💬 4 [21d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 15h44m 158d PATCH [40d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 40 23d 162d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 169d 167d 💬 28 [83d]
BUG: Bad rss-counter state (6) prio:high mm -1 110 22d 169d
kernel BUG in page_table_check_set (2) prio:low mm -1 733 7h08m 171d 💬 1 [169d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 97d 181d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 C error error 1 183d 181d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 8 19d 203d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 C error 54 8d14h 217d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 52 23d 219d
INFO: rcu detected stall in finish_dput prio:low mm 1 C error error 138 188d 224d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 13 15h51m 231d PATCH [5h54m]
WARNING in sched_mm_cid_fork prio:low mm fs -1 C error error 332 174d 236d PATCH [215d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 C error 17 6h34m 241d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 C error inconclusive 6 78d 272d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 C 89 7d17h 278d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 267 19h36m 286d
WARNING in path_noexec (2) prio:low fs mm -1 C error 27195 28d 299d PATCH [289d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 149d 315d PATCH [305d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 60 24d 330d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 C error error 20 27d 333d PATCH [187d]
WARNING in __alloc_skb (4) mm -1 C 8 136d 333d PATCH [309d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 C error error 45 19d 339d 💬 7 [219d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 C error 12 78d 356d PATCH [12d]
WARNING in trace_suspend_resume prio:high mm -1 C 3863 2d04h 360d 💬 1 [2d09h]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 C error inconclusive 5 50d 371d 💬 2 [371d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 208d 396d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 C error 624 5h52m 400d 💬 1 [363d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 13 64d 423d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 61 34d 438d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 204d 441d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 45d 448d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 C error error 9 25d 451d
INFO: task hung in exit_mmap (2) prio:low mm 1 C done error 59 97d 458d PATCH [5d07h]
kernel BUG in __filemap_add_folio prio:low fs mm -1 C done 2054 13m 458d PATCH [221d]
BUG: soft lockup in sys_bpf prio:low mm 1 C error 203 4d17h 460d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 C done 123 1d19h 460d 💬 1 [460d]
INFO: rcu detected stall in clone (7) prio:high mm 1 119 6d06h 487d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 6 69d 548d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 C error error 28 4d14h 569d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 44d 595d 💬 6 [504d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 C done error 57 36d 596d 💬 2 [342d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 565d 599d 💬 1 [557d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 141 19d 603d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 C 78 19d 608d 💬 7 [33d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 66 14d 609d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 C done inconclusive 96 5d14h 609d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 168 8d20h 612d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 136 4d07h 623d
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable error 131 10d 635d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 10 69d 648d 💬 1 [648d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 361d 649d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 126 3d16h 654d
INFO: rcu detected stall in kjournald2 (2) mm block 1 C error error 92 6h28m 662d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 66d 667d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 C 256 1d19h 675d PATCH [658d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 C done error 88 1d15h 678d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 C error 587 3h50m 685d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 492d 686d 💬 4 [647d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 185d 693d 💬 1 [189d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 226 3h25m 714d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 188 5h02m 714d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 117 9d11h 715d PATCH [658d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 C inconclusive error 86 55d 760d PATCH [542d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 703 28d 786d
WARNING in shmem_evict_inode (3) prio:normal mm -1 97 11d 793d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 C error error 65 20d 794d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 C error error 400 14d 796d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 41 25d 806d 💬 5 [748d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 737d 844d 💬 2 [723d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 465 6h32m 850d 💬 10 [396d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 52 4d15h 887d
BUG: soft lockup in pipe_read fs mm 1 syz 5 537d 914d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 C 699 18h26m 929d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 275 1d04h 969d 💬 6 [965d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 704d 986d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 C 138 746d 1026d PATCH [367d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 C done error 497 6d23h 1054d 💬 4 [2d09h]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 C error 649 6h50m 1058d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 402 3d03h 1078d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1071 7h21m 1190d PATCH [126d]
possible deadlock in filemap_fault prio:high mm 4 C done 3105 1d14h 1361d PATCH [26d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 C error 589 6h52m 1371d 💬 1 [2d09h]
memory leak in xas_create prio:high mm 3 C 57 5d19h 1479d PATCH [244d]
WARNING in ext4_dirty_folio mm prio:low -1 C inconclusive done 25915 45m 1583d 💬 2 [65d]
INFO: task hung in do_read_cache_folio mm kasan block 1 C error error 179 1129d 1631d 💬 3 [1116d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1805d 2158d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1475d 2373d 💬 2 [2267d]
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 6 1 1d04h 1d04h
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 8d19h 8d19h
general protection fault in __refill_obj_stock mm cgroups prio:high 2 1 27d 23d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) fs mm race:benign prio:high 6 1 27d 27d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 31d 31d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 33d 33d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 23d 35d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 2 35d 38d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 3 12d 43d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) race:benign prio:high mm fs 6 1 45d 45d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) race:benign prio:high fs mm 6 1 45d 45d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) race:benign prio:low fs mm 6 1 48d 48d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) prio:low race:benign mm 6 1 49d 49d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 28d 55d
WARNING in do_mmap prio:low mm fs -1 1 66d 62d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 27d 73d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 27d 85d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 3 22d 88d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 31 6d06h 101d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 68 1d15h 102d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 102 1h55m 190d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 14d 262d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 31 2d16h 316d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 152 10d 483d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 165 3d13h 612d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 641 8h00m 614d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 954 2d11h 615d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 224 6d21h 751d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 162 1d04h 754d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 870 3d18h 811d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 8d13h 837d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 216 13d 840d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 178 4d17h 960d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 2948 3h00m 961d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 967 11d 1662d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2000 8h52m 1685d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5462 16h42m 1856d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1681 17h40m 2131d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4160 9h51m 2420d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2581 6d03h 2426d