mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 426
Parent subsystem(s): kernel (119)
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 8 7h42m 2d08h
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm prio:low race:harmful 6 1 18d 16d 💬 1 [16d]
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 6 4h14m 18d PATCH [18d]
inconsistent lock state in fs_reclaim_acquire (4) mm cgroups prio:high 4 syz, C error 17 1d02h 27d PATCH [27d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 22d 29d 💬 4 [29d]
WARNING in setup_conf prio:low mm -1 syz, C 60 5h49m 43d 💬 2 [15d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 32 9d02h 48d 💬 3 [47d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 6d12h 55d PATCH [19d]
WARNING in mmap_region prio:low mm -1 syz 16 61d 59d 💬 1 [58d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 39 5d15h 63d 💬 6 [62d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 53 2d00h 66d
WARNING in alloc_vmap_area mm prio:high -1 2 69d 67d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 72d 67d
WARNING in mas_nomem prio:low mm -1 syz 14 51d 68d 💬 10 [60d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 31d 75d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 101d 99d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 107 4d07h 109d PATCH [96d]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 57 5d23h 132d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 35d 134d PATCH [132d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 125d 139d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 126 3d12h 173d 💬 7 [7d06h]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 16d 181d 💬 1 [181d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 53d 205d 💬 3 [205d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 84d 218d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2590 53m 223d 💬 2 [168d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 33d 227d 💬 4 [52d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 344 2d07h 230d PATCH [112d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 29d 234d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 113 10h44m 241d
kernel BUG in page_table_check_set (2) prio:low mm -1 1110 10h51m 243d 💬 1 [242d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 3 2d16h 253d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 255d 253d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 34d 275d PATCH [34d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 86 18h34m 289d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 59 1d08h 292d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 261d 296d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 246d 308d PATCH [287d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 3d08h 314d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 17d 344d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 98 1d12h 350d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 308 13d 358d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 100d 371d PATCH [361d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 263 3h17m 387d PATCH [377d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 63 17d 402d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 24 14d 405d PATCH [259d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 208d 405d PATCH [381d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 47 7h06m 406d 💬 2 [74d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 51 18d 411d PATCH [34d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 7d18h 429d PATCH [84d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 4006 now 433d 💬 1 [12d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 72d 444d 💬 2 [443d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 280d 468d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 919 1h06m 473d PATCH [34d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 24 1h10m 495d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 74 11d 510d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 276d 513d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 21d 520d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 97d 524d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2281 2h01m 530d PATCH [293d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 260 2d00h 532d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 134 1d02h 532d 💬 1 [532d]
INFO: rcu detected stall in clone (7) prio:high mm 1 137 5h06m 559d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 67d 620d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 76d 641d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 78 4d12h 660d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 15d 667d 💬 6 [576d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 59 20h30m 668d 💬 2 [414d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 638d 671d 💬 1 [629d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 137 22h42m 672d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 148 13d 676d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 8d22h 680d 💬 7 [43d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 44d 681d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 119 6h42m 681d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 205 23h50m 684d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 148 10d 696d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 150 11h12m 707d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 141d 721d 💬 1 [720d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 433d 722d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 148 4h44m 726d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 17d 734d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 32d 739d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 276 15h03m 748d PATCH [730d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 93 10d 750d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 667 6h52m 757d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 564d 758d 💬 4 [719d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 257d 765d 💬 1 [261d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3806 10d 783d PATCH [98d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 253 8d17h 786d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 280 1d11h 786d PATCH [16d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 124 12d 787d PATCH [730d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 51d 865d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 50d 866d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 50d 869d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 52d 878d 💬 5 [820d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 514 2d11h 922d 💬 10 [469d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 54 19d 960d
BUG: soft lockup in pipe_read fs mm 1 syz 5 609d 986d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 727 1d03h 1002d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 357 2h11m 1042d 💬 6 [1037d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 186 2d22h 1061d 💬 1 [12d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 818d 1099d PATCH [439d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 532 1h38m 1126d 💬 4 [12d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4750 12h40m 1127d PATCH [284d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 781 1h24m 1130d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 440 1d02h 1150d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1163 5h40m 1262d PATCH [198d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3138 6d09h 1433d PATCH [98d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 645 1d15h 1443d 💬 1 [12d]
memory leak in xas_create prio:high mm 3 syz, C 60 52d 1551d PATCH [317d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25937 5d01h 1656d 💬 2 [137d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1202d 1703d 💬 3 [1189d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1878d 2230d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1547d 2445d 💬 2 [2339d]
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 22d 22d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 31d 27d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) race:benign prio:low fs mm 6 1 33d 33d
KCSAN: data-race in copy_process / show_stat (6) race:benign prio:low mm 6 1 38d 38d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath race:benign prio:high mm 6 1 39d 39d
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 44d 44d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) race:benign prio:high mm 6 1 46d 46d
KCSAN: data-race in compact_zone / compact_zone (10) race:benign prio:high mm 6 1 51d 51d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 99 2h44m 64d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 3d23h 73d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 8 10d 115d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 32d 127d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 42 1d04h 173d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 87 4d03h 174d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 171 4d22h 263d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 34d 388d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low mm fs 6 C 233 2d23h 490d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 156 11d 555d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 984 1d14h 687d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 47d 824d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 47d 826d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 886 2d15h 883d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 52d 1032d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3207 6h40m 1033d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 46d 1734d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 48d 1758d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5597 5h59m 1928d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1691 6d19h 2203d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4176 4h00m 2492d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2625 55m 2498d