mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 426
Parent subsystem(s): kernel (116)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in igrab mm prio:high 4 1 5d11h 1d11h 💬 3 [1d04h]
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 9 3d06h 8d21h
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm prio:low race:harmful 6 2 1d15h 23d 💬 1 [23d]
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 6 6d16h 25d PATCH [24d]
inconsistent lock state in fs_reclaim_acquire (4) prio:high cgroups mm 4 syz, C error 18 6d01h 34d PATCH [33d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 28d 36d 💬 4 [35d]
WARNING in setup_conf prio:low mm -1 syz, C 75 1d21h 50d 💬 2 [21d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 32 15d 54d 💬 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 67d 66d 💬 1 [64d]
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 57 2d21h 73d
WARNING in alloc_vmap_area mm prio:high -1 2 75d 74d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 78d 74d
WARNING in mas_nomem prio:low mm -1 syz 14 57d 74d 💬 10 [67d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 5 1d05h 81d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 113 2d02h 116d PATCH [103d]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 61 1d00h 139d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 41d 141d PATCH [138d]
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 1d02h 179d 💬 7 [13d]
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 43651 now 197d PATCH [172d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 59d 211d 💬 3 [211d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 90d 224d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2611 9m 229d 💬 2 [174d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 39d 234d 💬 4 [58d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 350 1d18h 237d PATCH [118d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 35d 241d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 113 6d22h 248d
kernel BUG in page_table_check_set (2) prio:low mm -1 1136 1d00h 250d 💬 1 [248d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 3 9d05h 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 3d02h 296d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 60 2d11h 298d
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 252d 315d PATCH [293d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 9d20h 320d
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 8d01h 357d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 309 5d03h 364d 💬 1 [3d22h]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 318 2h19m 393d PATCH [384d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 65 3d04h 409d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 24 1d23h 411d PATCH [266d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 214d 412d PATCH [388d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 47 6d19h 412d 💬 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 435d PATCH [90d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 4048 12h25m 439d 💬 1 [18d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 78d 450d 💬 2 [449d]
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 8h00m 479d PATCH [41d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 24 6d13h 501d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 75 2d04h 517d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 282d 519d
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 103d 530d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2289 7h09m 537d PATCH [300d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 269 18h36m 539d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 135 3d22h 539d 💬 1 [539d]
INFO: rcu detected stall in clone (7) prio:high mm 1 138 2d17h 566d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 8 2d18h 627d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 29 3d10h 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 673d 💬 6 [583d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 59 7d08h 674d 💬 2 [421d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 644d 678d 💬 1 [635d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 144 7h15m 679d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 148 19d 682d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 1d10h 687d 💬 7 [49d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 51d 687d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 120 3d00h 687d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 210 1d20h 691d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 149 5d14h 702d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 151 2d13h 714d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 148d 727d 💬 1 [726d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 440d 728d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 149 4d21h 733d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 24d 740d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 39d 745d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 279 2d03h 754d PATCH [736d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 94 4d15h 756d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 674 9h53m 764d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 571d 765d 💬 4 [725d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 264d 772d 💬 1 [267d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3807 18h14m 789d PATCH [105d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 255 4d10h 792d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 292 7h23m 792d PATCH [22d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 126 14h48m 793d PATCH [736d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 57d 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 58d 884d 💬 5 [826d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 517 1d18h 929d 💬 10 [475d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 55 1d08h 966d
BUG: soft lockup in pipe_read fs mm 1 syz 5 615d 993d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 729 2d06h 1008d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 366 3h18m 1048d 💬 6 [1044d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 187 3d14h 1068d 💬 1 [18d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 824d 1105d PATCH [445d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 535 4d05h 1133d 💬 4 [18d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4765 1d05h 1133d PATCH [290d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 792 13h20m 1136d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 446 5h53m 1157d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1171 6h11m 1268d PATCH [204d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3138 12d 1440d PATCH [11h25m]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 646 5d05h 1450d 💬 1 [18d]
memory leak in xas_create prio:high mm 3 syz, C 60 58d 1557d PATCH [323d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25938 4d22h 1662d 💬 2 [143d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1208d 1710d 💬 3 [1195d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1884d 2237d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1554d 2452d 💬 2 [2345d]
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 5d19h 5d19h
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (10) race:benign prio:low mm 6 C 2 3d17h 6d10h
KCSAN: data-race in __folio_end_writeback / writeout_period (3) fs mm race:benign prio:high 6 1 28d 28d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 37d 33d
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 45d 45d
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 50d 50d
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 6 109 4h37m 70d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 10d 79d PATCH [1d14h]
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 8 17d 121d
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 1d05h 179d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 88 3d23h 180d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 176 5h03m 269d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 41d 394d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low mm fs 6 C 236 5d08h 496d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 157 4d02h 561d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 986 5d04h 694d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 53d 832d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 887 2d16h 889d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3227 4h50m 1040d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5609 2h58m 1935d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1691 13d 2209d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4176 6d16h 2499d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2629 1d09h 2505d