mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 414
Parent subsystem(s): kernel (89)
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 9d04h 5d04h
WARNING in update_rq_clock (2) prio:low mm -1 12 14h28m 26d 💬 3 [26d]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error 1 31d 29d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 30 18h08m 39d PATCH [26d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 4d23h 39d 💬 1 [36d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 1 39d 39d
KASAN: invalid-free in rcu_free_sheaf prio:high mm arm net 24 6 17d 46d PATCH [11d]
upstream test error: WARNING in call_timer_fn prio:high mm -1 1 56d 52d 💬 1 [52d]
linux-next test error: kernel BUG in post_alloc_hook prio:low mm -1 4 55d 55d 💬 2 [55d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 61d 57d PATCH [55d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 9 11d 59d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 2 26d 60d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 40 22d 62d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 40d 64d PATCH [62d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 55d 69d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 74d 70d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 71d 73d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 26d 78d 💬 1 [77d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 60d 78d PATCH [76d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm 5 1 91d 87d 💬 3 [85d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high arch mm 5 3 89d 90d 💬 2 [57d]
WARNING in __page_cache_release prio:low mm -1 1 94d 90d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm 5 1 97d 96d 💬 2 [96d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 77d 99d 💬 2 [98d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 99 2d09h 103d 💬 7 [48d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86 5 2 96d 104d PATCH [54d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 39d 111d 💬 1 [111d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 30056 now 121d PATCH [95d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 31d 135d 💬 3 [134d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 14d 148d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2360 28m 152d 💬 2 [98d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 30 1h33m 157d 💬 4 [23d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 2d15h 160d PATCH [42d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 40 25d 164d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 171d 169d 💬 28 [85d]
BUG: Bad rss-counter state (6) prio:high mm -1 110 24d 171d
kernel BUG in page_table_check_set (2) prio:low mm -1 733 2d07h 173d 💬 1 [171d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 99d 183d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 185d 183d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 8 21d 205d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 56 15h25m 219d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 52 25d 221d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 190d 226d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 13 2d16h 233d PATCH [2d06h]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 176d 238d PATCH [217d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 2d06h 243d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 80d 274d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 89 9d17h 280d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 267 2d19h 288d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error 27195 30d 301d PATCH [291d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 151d 317d PATCH [307d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 60 26d 332d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 29d 335d PATCH [189d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 138d 335d PATCH [311d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 47 16h12m 341d 💬 7 [221d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 80d 358d PATCH [14d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3863 4d04h 362d 💬 1 [4d09h]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 1d23h 373d 💬 2 [373d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 210d 398d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 628 21m 402d 💬 1 [365d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 1d00h 425d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 61 36d 440d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 206d 443d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 47d 450d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 27d 453d
INFO: task hung in exit_mmap (2) prio:low mm 1 syz, C done error 59 99d 460d PATCH [7d07h]
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2057 7h29m 460d PATCH [223d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 205 11h05m 462d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 123 3d19h 462d 💬 1 [462d]
INFO: rcu detected stall in clone (7) prio:high mm 1 119 8d06h 489d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 6 71d 550d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 6d14h 571d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 46d 597d 💬 6 [506d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 57 38d 598d 💬 2 [344d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 567d 601d 💬 1 [559d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 143 15h55m 605d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 21d 610d 💬 7 [35d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 67 1d22h 611d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 97 1d20h 611d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 170 1d05h 614d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 137 6h44m 625d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 132 1d20h 637d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 71d 650d 💬 1 [650d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 363d 651d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 126 5d16h 656d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 2d06h 664d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 68d 669d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 256 3d19h 677d PATCH [660d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 88 3d15h 680d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 588 1d17h 687d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 494d 688d 💬 4 [649d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 187d 695d 💬 1 [191d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 228 6h55m 716d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 192 9h22m 716d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 117 11d 717d PATCH [660d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 57d 762d PATCH [544d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 1d17h 788d
WARNING in shmem_evict_inode (3) prio:normal mm -1 97 13d 795d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 22d 796d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 401 1d06h 798d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 27d 808d 💬 5 [750d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 739d 846d 💬 2 [725d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 467 4h32m 852d 💬 10 [398d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 52 6d16h 889d
BUG: soft lockup in pipe_read fs mm 1 syz 5 539d 916d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 700 1d18h 931d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 279 16h36m 971d 💬 6 [967d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 706d 988d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 748d 1028d PATCH [369d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 497 9d00h 1056d 💬 4 [4d09h]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 652 5m 1060d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 402 5d03h 1080d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1073 23h48m 1192d PATCH [128d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3107 6h25m 1363d PATCH [28d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 590 15h48m 1373d 💬 1 [4d09h]
memory leak in xas_create prio:high mm 3 syz, C 58 7h57m 1481d PATCH [246d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25916 12h48m 1585d 💬 2 [67d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1131d 1633d 💬 3 [1118d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1807d 2160d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1477d 2375d 💬 2 [2269d]
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 3d04h 3d04h
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 10d 10d
general protection fault in __refill_obj_stock mm cgroups prio:high 2 1 29d 25d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) fs mm race:benign prio:high 6 1 29d 29d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 33d 33d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 35d 35d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 25d 37d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 3 19h41m 40d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 3 14d 45d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) race:benign prio:high mm fs 6 1 47d 47d
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 50d 50d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) prio:low race:benign mm 6 1 51d 51d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 30d 57d
WARNING in do_mmap prio:low mm fs -1 1 68d 64d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 29d 75d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 29d 87d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 3 24d 90d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 31 8d06h 103d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 68 3d15h 104d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 108 9h21m 192d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 16d 264d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 32 1d23h 318d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 152 12d 485d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 165 5d13h 614d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 642 9h48m 616d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 954 4d11h 617d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 224 8d21h 753d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 162 3d04h 756d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 870 5d18h 813d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 10d 839d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 217 9h57m 842d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 179 1d12h 962d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 2955 4h59m 963d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 967 13d 1664d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2003 3h54m 1687d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5468 2h19m 1858d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1681 2d17h 2133d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4160 2d10h 2422d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2582 16h25m 2428d