mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 426
Parent subsystem(s): kernel (87)
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 10d 8d18h PATCH [1d08h]
WARNING in corrupted (4) mm usb -1 syz 1 19d 17d 💬 3 [2d23h]
INFO: rcu detected stall in newfstat (4) prio:normal mm 1 47 11h13m 22d
KCSAN: data-race in xas_create / xas_find (10) race:harmful fs mm 6 1 22d 22d PATCH [21d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (3) race:harmful mm 6 1 23d 23d
WARNING in shrink_one prio:high mm -1 1 25d 25d 💬 3 [25d]
INFO: rcu detected stall in chrdev_open (7) prio:high mm 1 31 17d 25d
INFO: rcu detected stall in filemap_fault (4) prio:high mm 1 syz 35 3d16h 27d 💬 1 [27d]
possible deadlock in igrab prio:high mm 4 1 36d 32d 💬 3 [32d]
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 10 10d 39d
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) prio:low race:harmful mm 6 3 17d 54d 💬 1 [53d]
WARNING in v9fs_fid_get_acl (2) prio:high mm -1 syz, C 6 23d 56d PATCH [55d]
inconsistent lock state in fs_reclaim_acquire (4) prio:high cgroups mm 4 syz, C error 21 7d04h 65d PATCH [64d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 59d 67d 💬 4 [66d]
WARNING in setup_conf prio:low mm -1 syz, C 197 2h24m 81d PATCH [8d03h]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 35 4d04h 85d 💬 3 [85d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 11d 93d PATCH [57d]
WARNING in mmap_region prio:low mm -1 syz 16 98d 97d 💬 1 [95d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 43 4d11h 101d 💬 6 [99d]
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 109d 105d
WARNING in mas_nomem prio:low mm -1 syz 14 88d 105d 💬 10 [98d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low fs mm 4 9 2d15h 112d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 140 6h52m 147d PATCH [134d]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 71 2d22h 170d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 47 12d 172d PATCH [169d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 163d 177d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 140 5d14h 210d 💬 7 [44d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 34 17d 219d 💬 1 [219d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 48084 10m 228d PATCH [3d19h]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 90d 242d 💬 3 [242d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 121d 255d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2711 15h05m 260d 💬 2 [205d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 70d 265d 💬 4 [89d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 361 19d 268d PATCH [149d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 43 8d12h 272d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 114 28d 279d
kernel BUG in page_table_check_set (2) prio:low mm -1 1166 17d 281d 💬 3 [17d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm 1 syz error error 4 26d 291d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 292d 291d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 72d 313d PATCH [72d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 95 9d04h 327d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 61 19d 329d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 298d 334d
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 283d 346d PATCH [324d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 10d 351d
INFO: rcu detected stall in sys_symlink (6) prio:high mm 1 syz, C error inconclusive 8 55d 382d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 102 14d 388d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 310 1d22h 395d 💬 1 [34d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 611 4h31m 424d PATCH [415d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 67 2d07h 440d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 27 8h45m 442d PATCH [297d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 245d 443d PATCH [419d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 51 4d15h 443d 💬 2 [112d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 52 30d 449d PATCH [72d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 45d 466d PATCH [121d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 9141 21h12m 470d 💬 1 [18d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 109d 481d 💬 2 [480d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 318d 506d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 1049 5h11m 510d PATCH [72d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 27 7d06h 532d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 85 1d03h 548d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 313d 550d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 59d 558d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 134d 561d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2380 1d03h 568d PATCH [331d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 307 14h02m 569d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 137 10d 570d 💬 1 [569d]
INFO: rcu detected stall in clone (7) prio:high mm 1 142 19h50m 597d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 9 5d21h 658d
INFO: rcu detected stall in task_numa_work (2) mm bpf prio:normal 1 syz, C error error 32 5d22h 679d
possible deadlock in btrfs_dirty_inode (2) prio:high mm 4 79 29d 698d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 53d 704d 💬 6 [614d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 63 18h30m 705d 💬 2 [452d]
possible deadlock in balance_pgdat (2) scsi mm prio:high 4 syz, C 4 675d 709d 💬 1 [666d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 159 4d12h 710d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 150 20d 713d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 3d12h 718d 💬 7 [80d]
INFO: rcu detected stall in sys_mmap (3) mm prio:low 1 syz, C error error 71 15d 718d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 128 5d14h 718d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal tomoyo mm 1 syz error 241 2d21h 722d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 154 3d02h 733d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 152 27d 745d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 179d 758d 💬 1 [757d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 471d 759d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz, C done error 165 2d08h 763d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 96 10d 771d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 17 18d 776d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 293 1d16h 785d PATCH [767d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 99 5d18h 787d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 693 4h00m 795d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 602d 796d 💬 4 [756d]
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 syz, C done error 3651 295d 803d 💬 1 [298d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 268 8h18m 823d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 357 3h40m 823d PATCH [53d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 129 9d22h 824d PATCH [767d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 88d 903d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 88d 903d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 89d 915d 💬 5 [857d]
INFO: rcu detected stall in sys_clone (8) mm prio:low 1 syz, C error 541 18h38m 960d 💬 10 [506d]
INFO: rcu detected stall in sys_syslog (2) mm prio:high 1 syz, C error error 57 10d 997d
BUG: soft lockup in pipe_read fs mm 1 syz 5 646d 1024d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 748 1d20h 1039d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low net mm 1 299 18d 1060d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 404 6h40m 1079d 💬 6 [1075d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 195 4h19m 1099d 💬 1 [18d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 855d 1136d PATCH [476d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 536 22d 1164d 💬 4 [18d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4840 54m 1164d PATCH [3d20h]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 836 3h30m 1167d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1213 12h26m 1299d PATCH [235d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 649 12d 1481d 💬 1 [18d]
memory leak in xas_create prio:high mm 3 syz, C 60 89d 1588d PATCH [354d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C error 7553 (+18414) 2d08h 1693d 💬 2 [174d]
INFO: task hung in do_read_cache_folio kasan mm block 1 syz, C error error 179 1239d 1741d 💬 3 [1226d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1915d 2268d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1585d 2482d 💬 2 [2376d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in dup_mmap mm prio:low 4 1 16h28m 14h56m
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (4) fs mm race:benign prio:low 6 2 3h43m 9d04h PATCH [2d22h]
KCSAN: data-race in kcompactd / try_to_compact_pages mm prio:low race:benign 6 1 10d 10d PATCH [1d20h]
WARNING: refcount bug in remove_inode_hugepages prio:high mm fs 13 1 29d 25d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (11) race:benign prio:high mm 6 2 8d11h 36d
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (10) race:benign prio:low mm 6 C 2 14d 37d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm prio:high 17 1 68d 64d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 C 143 3h03m 101d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 5 20h19m 110d PATCH [32d]
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 8 47d 152d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 70d 165d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 48 13d 210d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 100 4d05h 211d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 218 12h25m 300d PATCH [2d06h]
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 37 14d 425d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 157 18d 592d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 998 22h41m 725d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 908 1d12h 920d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3335 1h39m 1071d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5653 26m 1966d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1700 2d17h 2240d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4184 2d05h 2530d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2651 22h41m 2536d