mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 425
Parent subsystem(s): kernel (120)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 7 5d03h 1d02h
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm prio:low race:harmful 6 1 17d 15d 💬 1 [15d]
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 4 7d00h 17d PATCH [16d]
inconsistent lock state in fs_reclaim_acquire (4) mm cgroups prio:high 4 syz, C error 16 21h40m 26d PATCH [25d]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 11 21d 28d 💬 4 [28d]
WARNING in setup_conf prio:low mm -1 syz, C 53 3h27m 42d 💬 2 [13d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 32 7d20h 46d 💬 3 [46d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 5d06h 54d PATCH [18d]
WARNING in mmap_region prio:low mm -1 syz 16 60d 58d 💬 1 [57d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 39 4d09h 62d 💬 6 [60d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 53 18h31m 65d
WARNING in alloc_vmap_area mm prio:high -1 2 67d 66d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 71d 66d
WARNING in mas_nomem prio:low mm -1 syz 14 50d 67d 💬 10 [59d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 30d 74d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 100d 98d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 107 3d02h 108d PATCH [95d]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 57 4d17h 131d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 33d 133d PATCH [131d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 124d 138d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 126 2d06h 172d 💬 7 [6d01h]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 15d 180d 💬 1 [180d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 52d 204d 💬 3 [203d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 82d 217d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2585 59m 221d 💬 2 [167d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 31d 226d 💬 4 [51d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 344 1d01h 229d PATCH [111d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 27d 233d
BUG: Bad rss-counter state (6) prio:high mm -1 112 37d 240d
kernel BUG in page_table_check_set (2) prio:low mm -1 1106 1d02h 242d 💬 1 [240d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 3 1d10h 252d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 254d 252d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 33d 274d PATCH [33d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 85 1d12h 288d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 59 2h17m 290d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 259d 295d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 244d 307d PATCH [286d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 2d02h 312d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 16d 343d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 98 6h50m 349d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 308 12d 357d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 99d 370d PATCH [360d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 249 3h24m 386d PATCH [376d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 63 15d 401d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 24 13d 404d PATCH [258d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 207d 404d PATCH [380d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 46 1d08h 404d 💬 2 [73d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 51 17d 410d PATCH [33d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 6d12h 427d PATCH [83d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3990 1d22h 431d 💬 1 [11d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 70d 442d 💬 2 [442d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 279d 467d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 914 2h57m 471d PATCH [33d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 22 8d02h 494d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 74 9d21h 509d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 275d 512d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 20d 519d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 96d 522d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2280 1d06h 529d PATCH [292d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 260 18h59m 531d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 133 1d15h 531d 💬 1 [531d]
INFO: rcu detected stall in clone (7) prio:high mm 1 136 2d21h 558d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 66d 619d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 75d 640d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 78 3d06h 659d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 14d 666d 💬 6 [575d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 56d 667d 💬 2 [413d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 636d 670d 💬 1 [627d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 136 1d14h 671d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 148 11d 674d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 7d16h 679d 💬 7 [42d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 43d 679d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 118 2d20h 680d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 204 1d22h 683d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 148 9d04h 694d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 149 2h10m 706d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 140d 719d 💬 1 [719d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 432d 720d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 146 5h31m 725d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 16d 733d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 31d 738d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 275 1d23h 746d PATCH [729d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 93 9d12h 749d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 663 9h38m 756d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 563d 757d 💬 4 [718d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 256d 764d 💬 1 [260d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3806 9d13h 782d PATCH [97d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 253 7d11h 785d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 280 5h19m 785d PATCH [15d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 124 10d 786d PATCH [729d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 49d 864d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 49d 865d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 49d 867d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 51d 877d 💬 5 [819d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 514 1d05h 921d 💬 10 [467d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 54 18d 958d
BUG: soft lockup in pipe_read fs mm 1 syz 5 608d 985d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 725 3d01h 1000d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 355 12h04m 1040d 💬 6 [1036d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 186 1d16h 1060d 💬 1 [11d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 817d 1097d PATCH [438d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 530 4d06h 1125d 💬 4 [11d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4747 9h27m 1126d PATCH [282d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 777 2h12m 1129d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 439 6h48m 1149d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1161 6m 1261d PATCH [197d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3138 5d03h 1432d PATCH [97d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 645 9h27m 1442d 💬 1 [11d]
memory leak in xas_create prio:high mm 3 syz, C 60 50d 1550d PATCH [315d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25937 3d19h 1654d 💬 2 [136d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1200d 1702d 💬 3 [1187d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1876d 2229d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1546d 2444d 💬 2 [2338d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __folio_end_writeback / writeout_period (3) fs mm race:benign prio:high 6 1 20d 20d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 30d 26d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) race:benign prio:low fs mm 6 1 32d 32d
KCSAN: data-race in copy_process / show_stat (6) race:benign prio:low mm 6 1 37d 37d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath race:benign prio:high mm 6 1 37d 37d
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 42d 42d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) race:benign prio:high mm 6 1 45d 45d
KCSAN: data-race in compact_zone / compact_zone (10) race:benign prio:high mm 6 1 50d 50d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 97 18m 63d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 2d17h 72d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 8 9d05h 114d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 31d 126d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 41 4d05h 172d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 87 2d21h 173d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 171 3d16h 261d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 33d 387d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low mm fs 6 C 233 1d17h 488d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 156 9d18h 554d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 984 8h26m 686d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 46d 822d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 46d 825d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 886 1d09h 882d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 51d 1031d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3201 7h44m 1032d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 45d 1733d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 47d 1756d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5595 9h05m 1927d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1691 5d13h 2202d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4175 2d13h 2491d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2624 1d00h 2497d