mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 424
Parent subsystem(s): kernel (90)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in hugetlbfs_file_mmap fs mm prio:low 4 1 2d20h 17h12m
WARNING in shmem_initxattrs prio:low mm fuse -1 syz 2 1d04h 17h23m 💬 2 [9h01m]
WARNING in corrupted (4) mm usb -1 syz 1 11d 9d16h 💬 1 [7d21h]
INFO: rcu detected stall in newfstat (4) prio:normal mm 1 39 3d17h 14d
KCSAN: data-race in xas_create / xas_find (10) race:harmful fs mm 6 1 14d 14d PATCH [13d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (3) race:harmful mm 6 1 15d 15d
WARNING in shrink_one prio:high mm -1 1 17d 17d 💬 3 [17d]
INFO: rcu detected stall in chrdev_open (7) prio:high mm 1 31 9d22h 17d
INFO: rcu detected stall in filemap_fault (4) prio:high mm 1 syz 34 18d 19d 💬 1 [18d]
possible deadlock in igrab prio:high mm 4 1 28d 24d 💬 3 [24d]
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 10 2d14h 31d
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) prio:low race:harmful mm 6 3 9d17h 46d 💬 1 [45d]
WARNING in v9fs_fid_get_acl (2) prio:high mm -1 syz, C 6 15d 47d PATCH [47d]
inconsistent lock state in fs_reclaim_acquire (4) prio:high cgroups mm 4 syz, C error 19 20h53m 57d PATCH [56d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 51d 59d 💬 4 [58d]
WARNING in setup_conf prio:low mm -1 syz, C 170 10h22m 73d PATCH [2h49m]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 34 10d 77d 💬 3 [77d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 3d09h 85d PATCH [49d]
WARNING in mmap_region prio:low mm -1 syz 16 90d 89d 💬 1 [87d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 42 3d20h 93d 💬 6 [91d]
WARNING in alloc_vmap_area prio:high mm -1 2 98d 97d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 101d 97d
WARNING in mas_nomem prio:low mm -1 syz 14 80d 97d 💬 10 [90d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low fs mm 4 8 4d15h 104d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 128 3d16h 139d PATCH [126d]
INFO: rcu detected stall in handle_softirqs (3) prio:low mm netfilter 1 syz, C error 62 6d14h 160d PATCH [1d14h]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 69 3h31m 162d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 47 4d18h 164d PATCH [161d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 154d 169d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 138 3d04h 202d 💬 7 [36d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 34 9d05h 211d 💬 1 [211d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 47005 now 220d PATCH [195d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 82d 234d 💬 3 [234d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 113d 247d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2691 8h21m 252d 💬 2 [197d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 62d 257d 💬 4 [81d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 361 11d 260d PATCH [141d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 43 11h36m 264d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 114 20d 271d
kernel BUG in page_table_check_set (2) prio:low mm -1 1166 8d23h 273d 💬 3 [9d13h]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm 1 syz error error 4 18d 283d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 284d 283d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 64d 305d PATCH [64d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 95 1d03h 319d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 61 11d 321d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 290d 326d
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 275d 337d PATCH [316d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 1d23h 343d
INFO: rcu detected stall in sys_symlink (6) prio:high mm 1 syz, C error inconclusive 8 47d 374d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 102 6d14h 380d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 309 28d 387d 💬 1 [26d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 520 1h06m 416d PATCH [407d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 66 15d 432d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 25 7d12h 434d PATCH [289d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 237d 435d PATCH [411d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 50 7d11h 435d 💬 2 [104d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 52 21d 441d PATCH [64d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 37d 458d PATCH [113d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 8601 18m 462d 💬 1 [10d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 101d 473d 💬 2 [472d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 310d 498d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 1021 2h44m 502d PATCH [64d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 26 6d16h 524d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 83 2d18h 540d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 305d 542d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 51d 550d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 126d 553d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2374 2h22m 560d PATCH [323d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 301 2h05m 561d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 137 2d21h 562d 💬 1 [561d]
INFO: rcu detected stall in clone (7) prio:high mm 1 140 18d 589d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 8 25d 649d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 31 7d21h 670d
possible deadlock in btrfs_dirty_inode (2) prio:high mm 4 79 21d 690d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 45d 696d 💬 6 [606d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 61 4d12h 697d 💬 2 [444d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 667d 701d 💬 1 [658d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 158 12h53m 702d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 150 12d 705d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 24d 710d 💬 7 [72d]
INFO: rcu detected stall in sys_mmap (3) mm prio:low 1 syz, C error error 71 7d06h 710d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 127 13h57m 710d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal tomoyo mm 1 syz error 237 13h25m 714d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 153 9d09h 725d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 152 19d 737d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 171d 750d 💬 1 [749d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 463d 751d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 159 4d01h 755d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 96 2d17h 763d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 17 10d 768d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 290 2d19h 777d PATCH [759d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 97 17h30m 779d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 689 4d15h 787d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 594d 788d 💬 4 [748d]
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 syz, C done error 3651 287d 795d 💬 1 [290d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 265 3d11h 815d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 341 24m 815d PATCH [45d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 129 1d21h 816d PATCH [759d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 80d 895d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 80d 895d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 81d 907d 💬 5 [849d]
INFO: rcu detected stall in sys_clone (8) mm prio:low 1 syz, C error 537 7d13h 952d 💬 10 [498d]
INFO: rcu detected stall in sys_syslog (2) mm prio:high 1 syz, C error error 57 2d15h 989d
BUG: soft lockup in pipe_read fs mm 1 syz 5 638d 1016d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 744 17h41m 1031d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low net mm 1 299 10d 1052d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 386 2d06h 1071d 💬 6 [1067d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 193 22h38m 1091d 💬 1 [10d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 847d 1128d PATCH [468d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 536 14d 1156d 💬 4 [10d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4824 3h16m 1156d PATCH [16h09m]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 821 18h58m 1159d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1198 14h21m 1291d PATCH [227d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 649 4d10h 1473d 💬 1 [10d]
memory leak in xas_create prio:high mm 3 syz, C 60 81d 1580d PATCH [346d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C error 7550 (+18414) 10h13m 1685d 💬 2 [166d]
INFO: task hung in do_read_cache_folio kasan mm block 1 syz, C error error 179 1231d 1732d 💬 3 [1218d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1907d 2260d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1577d 2474d 💬 2 [2368d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (4) fs mm race:benign prio:low 6 1 1d03h 1d03h
KCSAN: data-race in kcompactd / try_to_compact_pages mm prio:low race:benign 6 1 2d05h 2d05h
WARNING: refcount bug in remove_inode_hugepages prio:high mm fs 13 1 21d 17d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (11) race:benign prio:high mm 6 2 10h48m 28d
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (10) race:benign prio:low mm 6 C 2 6d10h 29d
KCSAN: data-race in __folio_end_writeback / writeout_period (3) race:benign prio:high fs mm 6 1 51d 51d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm prio:high 17 1 60d 56d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 C 134 1d09h 93d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 33d 102d PATCH [24d]
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 8 39d 144d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 62d 157d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 48 5d07h 202d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 96 2d23h 203d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 200 2d16h 292d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 37 6d22h 417d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 157 10d 584d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 994 3d15h 717d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 896 1h30m 912d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3308 4h51m 1063d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5645 5h16m 1958d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1697 2d04h 2232d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4180 2d17h 2522d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2640 1d12h 2527d