mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 422
Parent subsystem(s): kernel (122)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 4 4d19h 1d00h PATCH [16h20m]
inconsistent lock state in fs_reclaim_acquire (4) mm cgroups prio:high 4 syz, C 5 10d 10d PATCH [9d13h]
WARNING in swap_put_entries_direct mm -1 1 16d 12d 💬 1 [12d]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 11 4d18h 12d 💬 4 [11d]
WARNING in setup_conf prio:low mm -1 1 30d 26d 💬 1 [26d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 31 14d 30d 💬 3 [30d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 26d 38d PATCH [2d04h]
WARNING in mmap_region prio:low mm -1 syz 16 43d 42d 💬 1 [40d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 35 27d 46d 💬 6 [44d]
WARNING in alloc_vmap_area mm -1 2 51d 50d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz 1 54d 50d
WARNING in mas_nomem prio:low mm -1 syz 14 33d 50d 💬 10 [43d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 13d 57d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 84d 82d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 86 3d01h 92d PATCH [79d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 3 5d01h 92d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 44d 113d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 17d 115d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 17d 117d PATCH [114d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 108d 122d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 117 1d15h 155d 💬 7 [101d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 92d 164d 💬 1 [164d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 35d 187d 💬 3 [187d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 66d 200d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2524 3h49m 205d 💬 2 [150d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 15d 210d 💬 4 [34d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 325 18m 213d PATCH [94d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 11d 217d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 223d 222d 💬 28 [138d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 21d 224d
kernel BUG in page_table_check_set (2) prio:low mm -1 954 30m 226d 💬 1 [224d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 152d 236d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 237d 236d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 17d 258d PATCH [17d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 80 6d08h 272d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 36d 274d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 243d 279d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 228d 291d PATCH [269d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 18d 296d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 6h20m 327d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 96 4d15h 333d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 306 21h23m 340d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 82d 354d PATCH [344d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 145 3h58m 369d PATCH [360d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 23d 385d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 23 5d11h 387d PATCH [242d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 190d 388d PATCH [364d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 45 13h36m 388d 💬 2 [57d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 51 1d09h 394d PATCH [17d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 133d 411d PATCH [66d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3955 2d18h 415d 💬 1 [25d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 54d 426d 💬 2 [425d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 263d 451d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 806 5m 455d PATCH [17d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 20 11d 477d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 71 2d15h 493d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 258d 495d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 4d01h 503d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 79d 506d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2251 1d21h 513d PATCH [276d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 237 10h59m 515d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 131 3d01h 515d 💬 1 [515d]
INFO: rcu detected stall in clone (7) prio:high mm 1 131 9d06h 542d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 50d 603d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 59d 624d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 73 2d14h 643d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 22d 649d 💬 6 [559d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 39d 650d 💬 2 [397d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 620d 654d 💬 1 [611d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 126 4d01h 655d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 147 21d 658d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 32d 663d 💬 7 [25d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 27d 663d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 115 5d03h 663d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 198 4d09h 667d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 25d 678d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 143 3d19h 690d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 124d 703d 💬 1 [702d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 416d 704d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 138 1h18m 708d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 2h08m 716d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 15d 721d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 270 10h09m 730d PATCH [712d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 17d 732d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 650 1d08h 740d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 547d 741d 💬 4 [701d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 240d 748d 💬 1 [243d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3800 15m 765d PATCH [81d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 250 3d05h 768d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 258 39m 768d PATCH [1d04h]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 123 10d 769d PATCH [712d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 33d 848d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 33d 848d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 32d 851d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 34d 860d 💬 5 [802d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 502 1d14h 905d 💬 10 [451d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 54 1d18h 942d
BUG: soft lockup in pipe_read fs mm 1 syz 5 591d 969d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 720 7d19h 984d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 332 7h51m 1024d 💬 6 [1020d]
BUG: spinlock recursion in try_to_wake_up crypto mm 4 syz, C 9 759d 1041d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 183 13h00m 1044d 💬 1 [18d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 800d 1081d PATCH [421d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 528 6d04h 1109d 💬 4 [25d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4677 7h59m 1109d PATCH [266d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 744 33m 1112d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 426 12h32m 1133d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1137 5h07m 1244d PATCH [180d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3131 5d15h 1416d PATCH [81d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 637 56m 1426d 💬 1 [25d]
memory leak in xas_create prio:high mm 3 syz, C 60 34d 1533d PATCH [299d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25930 5d08h 1638d 💬 2 [119d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1184d 1686d 💬 3 [1171d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1860d 2213d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1530d 2427d 💬 2 [2321d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm 6 1 1d04h 1d04h
KCSAN: data-race in __folio_end_writeback / writeout_period (3) fs mm race:benign prio:high 6 1 4d16h 4d16h
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 13d 9d21h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign prio:low 6 1 16d 16d
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 21d 21d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 21d 21d
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 26d 26d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) mm race:benign prio:high 6 1 29d 29d
KCSAN: data-race in compact_zone / compact_zone (10) race:benign prio:high mm 6 1 34d 34d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 73 17h08m 46d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 49d 49d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) race:benign prio:low mm 6 1 52d 52d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 3 15d 55d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 82d 78d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 53d 92d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 6 15d 97d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 15d 110d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 41d 142d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 39 13d 155d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 81 6d13h 156d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 158 2d08h 245d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 17d 370d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 225 2h42m 472d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 155 10d 537d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 36d 667d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 34d 668d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 979 11d 670d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 30d 806d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 29d 808d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 884 15d 865d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 37d 895d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 34d 1015d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3156 4h06m 1016d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 29d 1717d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 30d 1740d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5564 4h57m 1911d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1690 8d22h 2185d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4169 12h50m 2475d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2618 4h06m 2481d