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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 410
Parent subsystem(s): kernel (94)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in sys_epoll_wait (9) mm usb input prio:high 1 C error 1 2d12h 12h08m
INFO: rcu detected stall in dentry_kill prio:high fs mm 1 C error 9 1h33m 10d PATCH [1h04m]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) mm race:harmful prio:low 6 1 10d 10d 💬 1 [7d17h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) mm race:harmful prio:low 6 1 10d 10d
KASAN: invalid-free in rcu_free_sheaf mm prio:high 24 5 8d06h 17d
WARNING in hrtick_start_fair cgroups mm prio:high -1 C error 10116 6d12h 20d
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal 19 1 27d 20d PATCH [5h08m]
upstream test error: WARNING in call_timer_fn mm prio:high -1 1 27d 23d 💬 1 [23d]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low -1 4 26d 26d 💬 2 [26d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 31d 27d PATCH [26d]
possible deadlock in page_cache_ra_order prio:high mm fs 4 5 34d 30d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 1 34d 31d
INFO: rcu detected stall in clone3 (6) prio:high mm cgroups 1 35 1d17h 33d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 C 3 10d 35d PATCH [32d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 26d 40d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 45d 41d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 41d 43d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 12 1d07h 48d 💬 1 [47d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 31d 49d PATCH [47d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm 5 1 61d 57d 💬 3 [56d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high arch mm 5 3 60d 61d 💬 2 [28d]
WARNING in __page_cache_release prio:low mm -1 1 65d 61d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm 5 1 68d 67d 💬 2 [66d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 48d 70d 💬 2 [69d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 72 1d16h 74d 💬 7 [19d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86 5 2 67d 74d PATCH [25d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 10d 82d 💬 1 [82d]
WARNING in rcu_tasks_verify_work_fn prio:low mm -1 10 1d10h 90d PATCH [67d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 C error 22088 now 91d PATCH [66d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 2d12h 105d 💬 3 [105d]
possible deadlock in mfill_get_vma prio:low mm 4 C 290 53d 106d PATCH [106d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm 4 4 80d 113d
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 15d 119d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2191 32m 123d 💬 2 [69d]
WARNING in __put_task_struct (6) prio:high mm -1 5 79d 126d
WARNING: refcount bug in call_timer_fn (4) prio:high mm virt 13 25 3d21h 128d
kernel BUG in __page_table_check_zero (3) prio:high mm -1 277 23h25m 131d PATCH [12d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 39 11d 135d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 141d 140d 💬 28 [56d]
BUG: Bad rss-counter state (6) prio:high mm -1 108 12d 142d
kernel BUG in page_table_check_set (2) prio:low mm -1 710 23h57m 144d 💬 1 [142d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 70d 154d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 C error error 1 156d 154d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 7 141d 176d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 C error 44 14h53m 190d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 51 2d00h 192d
INFO: rcu detected stall in finish_dput prio:low mm 1 C error error 138 161d 197d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 11 17d 204d PATCH [22d]
WARNING in sched_mm_cid_fork prio:low fs mm -1 C error error 332 146d 209d PATCH [187d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 C error 13 6d16h 214d
WARNING in __page_table_check_ptes_set (3) prio:low mm -1 C 12 2d07h 228d PATCH [1d12h]
general protection fault in __rt_mutex_slowlock_locked prio:high mm 2 24 77d 230d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 C error inconclusive 6 51d 245d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 C 85 6d15h 251d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 205 4h10m 258d
WARNING in path_noexec (2) prio:low fs mm -1 C error 27195 1d03h 272d PATCH [262d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 122d 288d PATCH [278d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 59 1d19h 303d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 C error error 20 12h04m 305d PATCH [160d]
WARNING in __alloc_skb (4) mm -1 C 8 108d 306d PATCH [282d]
INFO: rcu detected stall in sys_mount (8) mm prio:low 1 C error 37 1d09h 306d 💬 1 [306d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 C error error 44 24d 312d 💬 7 [192d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 C error 12 51d 329d
WARNING in trace_suspend_resume prio:high mm -1 C 3834 2h11m 333d 💬 1 [6d12h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 10 3d04h 336d
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 C error inconclusive 5 23d 344d 💬 2 [344d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 181d 369d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 C error 575 10h37m 373d 💬 1 [336d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 13 37d 396d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 61 7d14h 411d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 176d 414d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 17d 421d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 C error error 8 36d 424d
INFO: task hung in exit_mmap (2) prio:low mm 1 C done error 59 69d 431d
kernel BUG in __filemap_add_folio prio:low fs mm -1 C done 2011 22m 431d PATCH [194d]
BUG: soft lockup in sys_bpf prio:low mm 1 C error 187 3d08h 433d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 C done 115 1d03h 433d 💬 1 [433d]
INFO: rcu detected stall in clone (7) prio:high mm 1 109 1d07h 460d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 6 42d 521d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 27 9d20h 542d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 17d 568d 💬 6 [477d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 C done error 57 9d03h 569d 💬 2 [315d]
possible deadlock in balance_pgdat (2) mm scsi 4 C 4 538d 572d 💬 1 [529d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 139 3d19h 576d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 C 76 9d18h 581d 💬 7 [6d12h]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 62 48d 581d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 C done inconclusive 91 11h46m 582d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 162 9h43m 585d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 131 4d04h 596d
INFO: rcu detected stall in brk (2) prio:high mm 1 syz 3 76d 606d 💬 8 [605d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable error 128 1d09h 608d
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs 1 syz done error 53 8h39m 619d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 10 42d 621d 💬 1 [620d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 334d 622d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 115 7d18h 627d
INFO: rcu detected stall in kjournald2 (2) mm block 1 C error error 88 9d23h 635d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 39d 639d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 C 246 11h38m 648d PATCH [630d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 C done error 84 15d 650d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 C error 571 1d03h 658d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 465d 659d 💬 4 [620d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 158d 666d 💬 1 [162d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 221 6d00h 686d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 170 6d07h 686d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 115 10d 688d PATCH [630d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 C inconclusive error 86 28d 733d PATCH [514d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 703 1d10h 758d
WARNING in shmem_evict_inode (3) prio:normal mm -1 93 1d21h 766d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 C error error 64 59d 767d
INFO: rcu detected stall in sys_sendto (7) prio:low mm 1 C error error 398 3d02h 769d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 40 10d 778d 💬 5 [721d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 710d 817d 💬 2 [696d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 450 1h12m 823d 💬 10 [369d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 50 3d12h 860d
BUG: soft lockup in pipe_read fs mm 1 syz 5 509d 887d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 C 694 4d20h 902d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low mm 1 269 8d14h 923d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 258 1d17h 942d 💬 6 [938d]
BUG: spinlock recursion in try_to_wake_up crypto mm 4 C 9 677d 959d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 C 138 719d 999d PATCH [339d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 C done error 495 8d22h 1027d 💬 4 [6d12h]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 C error 623 10h07m 1030d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 392 7d18h 1051d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1051 6h32m 1163d PATCH [98d]
possible deadlock in filemap_fault prio:high mm 4 C done 3069 2d04h 1334d 💬 4 [8d12h]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 C error 570 14h35m 1344d 💬 1 [9d20h]
memory leak in xas_create prio:high mm 3 C 51 2d22h 1452d PATCH [217d]
WARNING in ext4_dirty_folio mm prio:low -1 C inconclusive done 25907 20h45m 1556d 💬 2 [37d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1102d 1604d 💬 3 [1089d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1778d 2131d
INFO: task hung in do_read_cache_page (3) mm fs 1 C done inconclusive 88 1448d 2346d 💬 2 [2239d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __wb_writeout_add / writeout_period (6) fs mm race:benign 6 1 2h34m 2h34m
KCSAN: data-race in generic_fillattr / shmem_symlink (7) mm race:benign prio:low 6 1 4d11h 4d11h
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) mm race:benign prio:low 6 1 6d13h 6d13h
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) mm race:benign prio:low 6 2 8d07h 11d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) fs mm prio:high -1 1 15d 15d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) fs mm race:benign prio:high 6 1 18d 18d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) mm fs race:benign prio:high 6 1 18d 18d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (12) mm fs race:benign prio:low 6 1 20d 20d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (5) mm prio:low race:benign 6 1 22d 22d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 1d18h 28d
KCSAN: data-race in copy_process / show_stat (5) race:benign prio:low mm 6 1 31d 31d
WARNING in do_mmap prio:low mm fs -1 1 39d 35d
KCSAN: data-race in filemap_fault / filemap_read_folio race:benign prio:low mm 6 1 40d 40d
KCSAN: data-race in copy_mm / mmap_write_unlock race:benign prio:low mm 6 1 41d 41d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 5h00m 45d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm 6 1 52d 52d
KCSAN: data-race in __mmput / copy_mm (3) prio:low mm 6 1 52d 52d
KCSAN: data-race in compact_zone / compact_zone (9) prio:low mm 6 1 54d 54d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 11h37m 58d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 2 36d 60d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) prio:low mm 6 2 33d 65d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm 19 1 71d 67d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 28 4d05h 73d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 53 1d13h 75d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) prio:low fs mm 6 3 54d 132d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 90 5d00h 163d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 9 39d 235d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 30 2d04h 288d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 149 25d 455d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 160 21h46m 585d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 612 1d06h 587d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 952 4d13h 588d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) prio:low mm 6 121 1d12h 621d PATCH [1d05h]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 219 8h41m 724d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode prio:low mm 6 219 1d20h 725d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 158 6d03h 727d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low mm fs 6 869 7d21h 784d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 92 26d 810d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 213 3d10h 813d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm 6 175 20d 933d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 2817 5h14m 934d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 966 22h13m 1635d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 1949 15h37m 1658d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5404 7h20m 1829d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1674 3h33m 2104d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4159 1d06h 2393d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2571 2d11h 2399d