mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 423
Parent subsystem(s): kernel (119)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in setup_conf mm prio:low -1 1 14d 10d 💬 1 [10d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 30 15d 15d 💬 3 [14d]
BUG: Bad page state in corrupted mm prio:high -1 syz, C 1 11d 22d PATCH [7d21h]
WARNING in mmap_region mm prio:low -1 syz 16 28d 26d 💬 1 [25d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 35 11d 30d 💬 6 [28d]
WARNING in alloc_vmap_area mm -1 2 36d 34d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz 1 39d 34d
WARNING in mas_nomem prio:low mm -1 syz 14 18d 35d 💬 10 [27d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 2 35d 42d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 68d 66d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 71 1d04h 76d PATCH [63d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 42d 76d PATCH [3d05h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 30d 76d
WARNING in swap_cluster_assert_empty prio:low mm -1 1 98d 94d PATCH [92d]
possible deadlock in page_cache_ra_order prio:high mm 4 11 11d 96d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 28d 97d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 1d15h 99d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 2d01h 101d PATCH [99d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 92d 106d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 63d 115d 💬 1 [114d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 97d 115d PATCH [113d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 115 4d05h 140d 💬 7 [85d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 76d 148d 💬 1 [148d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 36959 now 158d PATCH [132d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 20d 172d 💬 3 [172d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 51d 185d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2440 5h13m 190d 💬 2 [135d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 38 7d08h 194d 💬 4 [19d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 315 4d13h 197d PATCH [79d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 33d 201d
memory leak in __kfree_rcu_sheaf prio:high mm exfat f2fs 3 syz 1 208d 206d 💬 28 [122d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 5d17h 208d
kernel BUG in page_table_check_set (2) prio:low mm -1 888 4d04h 210d 💬 1 [208d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 136d 220d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 222d 220d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 1d19h 242d PATCH [1d16h]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 71 5d01h 256d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 21d 259d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 227d 263d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 213d 275d PATCH [254d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 2d15h 281d
INFO: rcu detected stall in sys_symlink (6) prio:high mm fs 1 syz, C error inconclusive 6 117d 311d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 95 4d12h 317d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 301 2d18h 325d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 67d 338d PATCH [328d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 36 3h48m 354d PATCH [344d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 7d12h 369d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 21 4d03h 372d PATCH [226d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 175d 372d PATCH [348d]
INFO: rcu detected stall in sys_mount (8) prio:low overlayfs mm 1 syz, C error 44 8d12h 373d 💬 2 [41d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 50 15d 378d PATCH [1d16h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 117d 396d PATCH [51d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3919 8h14m 400d 💬 1 [10d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 39d 411d 💬 2 [410d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 247d 435d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 747 15h50m 440d PATCH [1d16h]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 18 9d18h 462d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 68 3d21h 477d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 243d 480d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 19 12d 487d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 64d 490d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2205 15h36m 497d PATCH [260d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 222 1d15h 499d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 4d14h 499d 💬 1 [499d]
INFO: rcu detected stall in clone (7) prio:high mm 1 130 5d10h 526d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 34d 587d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 43d 608d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 7d00h 634d 💬 6 [543d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 24d 635d 💬 2 [381d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 604d 638d 💬 1 [596d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm net 1 147 5d12h 642d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 17d 647d 💬 7 [10d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 11d 648d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 110 3d03h 648d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 192 2d16h 651d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 10d 663d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 139 9d03h 674d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 108d 688d 💬 1 [687d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 400d 689d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 135 5h31m 693d
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 4d19h 701d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 15 11d 706d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 264 1d03h 715d PATCH [697d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 1d21h 717d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 643 3h36m 724d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 531d 725d 💬 4 [686d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 224d 732d 💬 1 [228d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 247 4h11m 753d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 239 6h36m 753d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 121 5d11h 754d PATCH [697d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 32d 799d PATCH [581d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 706 5d14h 825d
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 18d 832d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 17d 833d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 17d 835d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 19d 845d 💬 5 [787d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 497 2d22h 889d 💬 10 [436d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 26d 927d
BUG: soft lockup in pipe_read fs mm 1 syz 5 576d 953d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 715 10d 968d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 308 18h19m 1009d 💬 6 [1004d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 743d 1025d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 785d 1065d PATCH [406d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 527 12d 1093d 💬 4 [10d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4616 19h28m 1094d PATCH [251d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 708 2d10h 1097d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 423 18h46m 1117d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1111 19h41m 1229d PATCH [165d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3121 1d11h 1400d PATCH [65d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 633 3d22h 1410d 💬 1 [10d]
memory leak in xas_create prio:high mm 3 syz, C 60 19d 1518d PATCH [283d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25922 8d11h 1623d 💬 2 [104d]
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1168d 1670d 💬 3 [1156d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1845d 2197d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1514d 2412d 💬 2 [2306d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign 6 1 18h15m 18h14m
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 5d19h 5d19h
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 6d03h 6d03h
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (10) cgroups mm race:benign prio:low 6 1 11d 11d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) mm race:benign prio:high 6 1 13d 13d
KCSAN: data-race in compact_zone / compact_zone (10) mm race:benign prio:high 6 1 18d 18d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 47 14h45m 31d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 33d 33d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) race:benign prio:low mm 6 1 36d 36d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 2 10d 40d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) race:benign prio:low mm 6 1 47d 47d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 66d 62d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 37d 77d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 5 21d 82d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 68d 94d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 26d 127d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 37 4d13h 140d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 78 9d23h 141d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 142 1d12h 230d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 53d 301d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 1d14h 355d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 153 23d 522d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 21d 651d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 18d 653d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 975 2d11h 654d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 14d 791d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 14d 793d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 882 1d16h 850d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 47d 876d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 22d 879d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 19d 999d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3091 5h21m 1000d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 13d 1701d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 15d 1724d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5533 6h14m 1895d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1688 1d04h 2170d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4162 7d07h 2459d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2610 19h22m 2465d