mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 426
Parent subsystem(s): kernel (115)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in igrab mm prio:high 4 1 5d21h 1d21h 💬 3 [1d13h]
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 9 3d15h 9d06h
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm prio:low race:harmful 6 2 2d01h 23d 💬 1 [23d]
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 6 7d02h 25d PATCH [25d]
inconsistent lock state in fs_reclaim_acquire (4) prio:high cgroups mm 4 syz, C error 18 6d11h 34d PATCH [34d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 29d 36d 💬 4 [36d]
WARNING in setup_conf prio:low mm -1 syz, C 76 1h46m 50d 💬 2 [21d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 32 16d 55d 💬 3 [54d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 13d 62d PATCH [26d]
WARNING in mmap_region prio:low mm -1 syz 16 68d 66d 💬 1 [65d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 39 12d 70d 💬 6 [68d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 58 1h36m 73d
WARNING in alloc_vmap_area mm prio:high -1 2 76d 74d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 79d 74d
WARNING in mas_nomem prio:low mm -1 syz 14 58d 75d 💬 10 [67d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 6 2h03m 82d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 113 2d11h 116d PATCH [103d]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 61 1d10h 139d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 42d 141d PATCH [139d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 132d 146d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 128 1d11h 180d 💬 7 [14d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 23d 188d 💬 1 [188d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 43715 17m 198d PATCH [172d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 60d 212d 💬 3 [212d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 91d 225d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2615 2h28m 230d 💬 2 [175d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 39d 234d 💬 4 [59d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 350 2d04h 237d PATCH [119d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 36d 241d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 113 7d08h 248d
kernel BUG in page_table_check_set (2) prio:low mm -1 1136 1d10h 250d 💬 1 [248d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 3 9d14h 260d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 262d 260d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 41d 282d PATCH [41d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 91 3d12h 296d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 60 2d21h 299d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 267d 303d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 253d 315d PATCH [294d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 10d 321d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 24d 351d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 98 8d10h 357d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 309 5d12h 365d 💬 1 [4d08h]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 320 4h10m 394d PATCH [384d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 65 3d14h 409d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 24 2d09h 412d PATCH [266d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 215d 412d PATCH [388d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 47 7d05h 413d 💬 2 [81d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 51 25d 418d PATCH [41d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 14d 436d PATCH [91d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 4050 7h34m 440d 💬 1 [19d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 79d 451d 💬 2 [450d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 287d 475d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 942 17h51m 480d PATCH [41d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 24 6d23h 502d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 75 2d14h 517d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 283d 520d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 28d 527d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 104d 530d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2296 1h13m 537d PATCH [300d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 270 6h26m 539d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 135 4d08h 539d 💬 1 [539d]
INFO: rcu detected stall in clone (7) prio:high mm 1 138 3d03h 566d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 8 3d04h 627d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 29 3d20h 648d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 78 11d 667d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 22d 674d 💬 6 [583d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 59 7d18h 675d 💬 2 [421d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 644d 678d 💬 1 [636d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 144 17h06m 679d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 148 20d 682d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 1d20h 687d 💬 7 [50d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 51d 688d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 120 3d10h 688d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 210 2d06h 691d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 149 6d00h 703d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 151 2d23h 714d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 148d 728d 💬 1 [727d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 440d 729d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 149 5d07h 733d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 24d 741d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 39d 746d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 281 9h26m 755d PATCH [737d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 94 5d01h 757d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 674 19h45m 764d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 571d 765d 💬 4 [726d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 264d 772d 💬 1 [268d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3807 1d04h 790d PATCH [105d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 255 4d20h 793d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 295 2h07m 793d PATCH [23d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 126 1d00h 794d PATCH [737d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 58d 872d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 57d 873d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 57d 875d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 59d 885d 💬 5 [827d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 518 8h32m 929d 💬 10 [476d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 55 1d18h 967d
BUG: soft lockup in pipe_read fs mm 1 syz 5 616d 993d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 730 7h16m 1008d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 366 13h10m 1049d 💬 6 [1044d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 187 4d00h 1068d 💬 1 [19d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 825d 1105d PATCH [446d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 535 4d15h 1133d 💬 4 [19d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4766 9h36m 1134d PATCH [291d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 792 23h11m 1137d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 446 15h44m 1157d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1171 16h03m 1269d PATCH [205d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3138 13d 1440d PATCH [21h17m]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 646 5d15h 1450d 💬 1 [19d]
memory leak in xas_create prio:high mm 3 syz, C 60 59d 1558d PATCH [323d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25939 7h14m 1663d 💬 2 [144d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1208d 1710d 💬 3 [1196d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1885d 2237d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1554d 2452d 💬 2 [2346d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (11) mm race:benign prio:high 6 1 6d05h 6d05h
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (10) race:benign prio:low mm 6 C 2 4d03h 6d20h
KCSAN: data-race in __folio_end_writeback / writeout_period (3) fs mm race:benign prio:high 6 1 29d 29d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 38d 34d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) race:benign prio:low fs mm 6 1 40d 40d
KCSAN: data-race in copy_process / show_stat (6) race:benign prio:low mm 6 1 45d 45d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath race:benign prio:high mm 6 1 46d 46d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (10) race:benign prio:low cgroups mm 6 1 51d 51d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) race:benign prio:high mm 6 1 53d 53d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 110 now 71d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 10d 80d PATCH [2d00h]
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 8 17d 122d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 39d 134d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 43 1d15h 180d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 89 6h26m 181d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 176 14h55m 270d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 41d 395d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low mm fs 6 C 236 5d18h 496d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 157 4d12h 562d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 986 5d14h 694d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 54d 833d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 887 3d02h 890d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3228 3h17m 1040d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5610 4h16m 1935d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1691 13d 2210d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4176 7d02h 2499d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2629 1d19h 2505d