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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 dentry_kill prio:high fs mm 1 C error 8 2d01h 9d15h PATCH [14h14m]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) mm race:harmful prio:low 6 1 9d17h 9d17h 💬 1 [7d04h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) mm race:harmful prio:low 6 1 9d21h 9d21h
KASAN: invalid-free in rcu_free_sheaf mm prio:high 24 5 7d16h 16d
WARNING in hrtick_start_fair cgroups mm prio:high -1 C error 10116 5d22h 19d
KASAN: use-after-free Read in ptdump_pte_entry (2) mm actionable prio:normal 19 1 26d 19d PATCH [12d]
upstream test error: WARNING in call_timer_fn mm prio:high -1 1 27d 23d 💬 1 [22d]
linux-next test error: kernel BUG in post_alloc_hook mm prio:low -1 4 25d 25d 💬 2 [25d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 31d 27d PATCH [25d]
possible deadlock in page_cache_ra_order prio:high mm fs 4 5 33d 29d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 1 33d 30d
INFO: rcu detected stall in clone3 (6) prio:high mm cgroups 1 35 1d04h 32d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 C 3 10d 34d PATCH [32d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 25d 39d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 44d 40d
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 18h02m 48d 💬 1 [47d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 30d 48d PATCH [46d]
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 59d 60d 💬 2 [28d]
WARNING in __page_cache_release prio:low mm -1 1 64d 60d
BUG: sleeping function called from invalid context in shmem_undo_range prio:high mm 5 1 67d 66d 💬 2 [66d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 47d 69d 💬 2 [68d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 72 1d02h 73d 💬 7 [18d]
BUG: sleeping function called from invalid context in kvm_xen_set_evtchn_fast prio:high mm kvm kvm-x86 5 2 66d 74d PATCH [24d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 9d17h 81d 💬 1 [81d]
WARNING in rcu_tasks_verify_work_fn prio:low mm -1 10 20h23m 89d PATCH [67d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 C error 21922 now 91d PATCH [65d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 1d23h 105d 💬 3 [105d]
possible deadlock in mfill_get_vma prio:low mm 4 C 290 52d 106d PATCH [105d]
WARNING: suspicious RCU usage in usb_tx_block prio:high mm 4 4 79d 112d
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 14d 118d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2184 3h15m 123d 💬 2 [68d]
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 3d08h 127d
kernel BUG in __page_table_check_zero (3) prio:high mm -1 277 9h49m 130d PATCH [12d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 39 10d 134d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 141d 140d 💬 28 [55d]
BUG: Bad rss-counter state (6) prio:high mm -1 108 12d 141d
kernel BUG in page_table_check_set (2) prio:low mm -1 710 10h20m 143d 💬 1 [142d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 69d 153d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 C error error 1 155d 153d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 7 141d 175d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 C error 44 1h16m 189d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 51 1d10h 192d
INFO: rcu detected stall in finish_dput prio:low mm 1 C error error 138 161d 196d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 11 16d 203d PATCH [21d]
WARNING in sched_mm_cid_fork prio:low fs mm -1 C error error 332 146d 208d PATCH [187d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 C error 13 6d03h 214d
WARNING in __page_table_check_ptes_set (3) prio:low mm -1 C 12 1d18h 228d PATCH [22h48m]
general protection fault in __rt_mutex_slowlock_locked prio:high mm 2 24 76d 229d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 C error inconclusive 6 50d 244d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 C 85 6d02h 250d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 204 57m 258d
WARNING in path_noexec (2) prio:low fs mm -1 C error 27195 13h38m 271d PATCH [261d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 121d 287d PATCH [277d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 59 1d05h 302d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 C error error 19 8d10h 305d PATCH [159d]
WARNING in __alloc_skb (4) mm -1 C 8 108d 305d PATCH [281d]
INFO: rcu detected stall in sys_mount (8) mm prio:low 1 C error 37 20h00m 306d 💬 1 [305d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 C error error 44 23d 311d 💬 7 [192d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 C error 12 50d 329d
WARNING in trace_suspend_resume prio:high mm -1 C 3827 10h13m 333d 💬 1 [5d23h]
INFO: rcu detected stall in kernfs_fop_open (7) prio:high kernfs mm 1 C error error 10 2d14h 335d
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 C error inconclusive 5 23d 344d 💬 2 [343d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 180d 368d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 C error 574 16h38m 373d 💬 1 [335d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 13 36d 395d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 61 7d00h 410d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 176d 413d
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 35d 424d
INFO: task hung in exit_mmap (2) prio:low mm 1 C done error 59 69d 430d
kernel BUG in __filemap_add_folio prio:low fs mm -1 C done 2006 4h26m 430d PATCH [193d]
BUG: soft lockup in sys_bpf prio:low mm 1 C error 187 2d19h 432d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 C done 115 13h56m 433d 💬 1 [432d]
INFO: rcu detected stall in clone (7) prio:high mm 1 109 17h57m 459d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 6 42d 520d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 27 9d07h 541d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 16d 567d 💬 6 [476d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 C done error 57 8d13h 568d 💬 2 [314d]
possible deadlock in balance_pgdat (2) mm scsi 4 C 4 538d 571d 💬 1 [529d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 139 3d05h 576d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 C 76 9d04h 580d 💬 7 [5d23h]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 62 47d 581d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 C done inconclusive 90 2d12h 581d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 161 1h20m 584d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 131 3d15h 596d
INFO: rcu detected stall in brk (2) prio:high mm 1 syz 3 75d 606d 💬 8 [605d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable error 128 19h34m 607d
INFO: rcu detected stall in sys_readlink (5) prio:normal kernfs mm btrfs 1 syz done error 52 2d09h 619d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 10 41d 621d 💬 1 [620d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 333d 622d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 115 7d04h 626d
INFO: rcu detected stall in kjournald2 (2) mm block 1 C error error 88 9d09h 634d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 38d 639d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 C 245 1h49m 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 13h38m 657d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 464d 658d 💬 4 [619d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 157d 665d 💬 1 [161d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 221 5d10h 686d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 170 5d17h 686d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 115 9d18h 687d PATCH [630d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 C inconclusive error 86 27d 732d PATCH [514d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 703 20h35m 758d
WARNING in shmem_evict_inode (3) prio:normal mm -1 93 1d08h 765d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 C error error 64 58d 766d
INFO: rcu detected stall in sys_sendto (7) prio:low mm 1 C error error 398 2d13h 769d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 40 9d21h 778d 💬 5 [720d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 710d 816d 💬 2 [696d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 449 2h41m 822d 💬 10 [369d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 50 2d22h 860d
BUG: soft lockup in pipe_read fs mm 1 syz 5 509d 886d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 C 694 4d06h 902d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low mm 1 269 8d00h 923d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 258 1d03h 942d 💬 6 [937d]
BUG: spinlock recursion in try_to_wake_up crypto mm 4 C 9 676d 958d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 C 138 718d 999d PATCH [339d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 C done error 495 8d08h 1027d 💬 4 [5d23h]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 C error 622 16h19m 1030d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 392 7d05h 1050d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1050 15h23m 1162d PATCH [98d]
possible deadlock in filemap_fault prio:high mm 4 C done 3069 1d14h 1333d 💬 4 [7d23h]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 C error 570 58m 1343d 💬 1 [9d07h]
memory leak in xas_create prio:high mm 3 C 51 2d09h 1451d PATCH [217d]
WARNING in ext4_dirty_folio mm prio:low -1 C inconclusive done 25907 7h08m 1556d 💬 2 [37d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1102d 1603d 💬 3 [1089d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1778d 2130d
INFO: task hung in do_read_cache_page (3) mm fs 1 C done inconclusive 88 1447d 2345d 💬 2 [2239d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in generic_fillattr / shmem_symlink (7) mm race:benign prio:low 6 1 3d22h 3d22h
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) mm race:benign prio:low 6 1 6d00h 6d00h
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) mm race:benign prio:low 6 2 7d18h 10d
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 17d 17d
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 1d05h 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 39d 39d
KCSAN: data-race in copy_mm / mmap_write_unlock race:benign prio:low mm 6 1 40d 40d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 1 45d 45d
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) prio:low mm 6 1 51d 51d
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 2 14d 57d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 2 35d 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 70d 66d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 28 3d15h 73d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 53 23h26m 74d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) prio:low fs mm 6 3 53d 131d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 90 4d10h 163d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 9 39d 234d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 30 1d14h 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 8h10m 584d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 612 17h17m 586d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 952 4d00h 587d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) prio:low mm 6 121 23h09m 620d PATCH [15h38m]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 218 4d03h 724d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode prio:low mm 6 219 1d06h 724d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 158 5d14h 726d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low mm fs 6 869 7d07h 783d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 92 25d 809d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 213 2d20h 812d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm 6 175 20d 932d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 2814 6h06m 933d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 966 8h37m 1634d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 1949 2h00m 1658d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5403 5h39m 1829d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1673 5d14h 2103d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4159 17h11m 2392d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2571 1d21h 2398d