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
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm prio:low race:harmful 6 1 2d15h 16h19m 💬 1 [11h37m]
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 4 6d06h 2d12h PATCH [2d03h]
inconsistent lock state in fs_reclaim_acquire (4) mm cgroups prio:high 4 syz, C 6 6h35m 11d PATCH [11d]
WARNING in swap_put_entries_direct mm -1 1 17d 13d PATCH [14h37m]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 11 6d05h 13d 💬 4 [13d]
WARNING in setup_conf prio:low mm -1 1 31d 27d 💬 1 [27d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 31 15d 32d 💬 3 [31d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 28d 39d PATCH [3d15h]
WARNING in mmap_region prio:low mm -1 syz 16 45d 43d 💬 1 [42d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 36 15h12m 47d 💬 6 [46d]
WARNING in alloc_vmap_area mm -1 2 53d 51d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz error 1 56d 51d
WARNING in mas_nomem prio:low mm -1 syz 14 35d 52d 💬 10 [44d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 15d 59d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 85d 83d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 87 13h47m 93d PATCH [80d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 3 6d12h 93d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 45d 114d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 50 22h37m 116d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 19d 118d PATCH [116d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 109d 123d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 118 1d03h 157d 💬 7 [102d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 14h00m 165d 💬 1 [165d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 37d 189d 💬 3 [189d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 68d 202d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2532 2h14m 207d 💬 2 [152d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 16d 211d 💬 4 [36d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 329 19h33m 214d PATCH [96d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 13d 218d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 225d 223d 💬 28 [139d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 22d 225d
kernel BUG in page_table_check_set (2) prio:low mm -1 1036 5h33m 227d 💬 1 [225d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 153d 237d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 239d 237d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 18d 259d PATCH [18d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 80 7d19h 273d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 38d 276d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 244d 280d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 230d 292d PATCH [271d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 19d 298d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 1d17h 328d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 96 6d02h 334d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 307 6m 342d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 84d 355d PATCH [345d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 151 10h19m 371d PATCH [361d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 63 1d02h 386d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 23 6d22h 389d PATCH [243d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 192d 389d PATCH [365d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 45 2d01h 390d 💬 2 [58d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 51 2d21h 395d PATCH [18d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 134d 413d PATCH [68d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3955 4d06h 417d 💬 1 [27d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 56d 428d 💬 2 [427d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 264d 452d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 820 2h23m 457d PATCH [18d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 20 13d 479d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 72 1d02h 494d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 260d 497d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 5d12h 504d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 81d 507d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2255 3h09m 514d PATCH [277d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 240 15m 516d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 131 4d12h 516d 💬 1 [516d]
INFO: rcu detected stall in clone (7) prio:high mm 1 131 10d 543d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 51d 604d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 60d 625d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 73 4d02h 644d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 24d 651d 💬 6 [560d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 41d 652d 💬 2 [398d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 621d 655d 💬 1 [613d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 127 2h02m 656d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 147 22d 659d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 34d 664d 💬 7 [27d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 28d 665d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 115 6d15h 665d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 201 13h58m 668d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 147 23h14m 680d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 144 3h27m 691d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 125d 705d 💬 1 [704d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 417d 706d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 138 1d12h 710d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 1d13h 718d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 16d 723d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 270 1d21h 732d PATCH [714d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 92 22h09m 734d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 652 4h20m 741d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 548d 742d 💬 4 [703d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 241d 749d 💬 1 [245d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3804 8h29m 767d PATCH [82d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 250 4d17h 770d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 259 16h22m 770d PATCH [7h07m]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 123 12d 771d PATCH [714d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 35d 849d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 34d 850d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 34d 852d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 36d 862d 💬 5 [804d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 503 1d03h 906d 💬 10 [453d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 54 3d06h 944d
BUG: soft lockup in pipe_read fs mm 1 syz 5 593d 970d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 720 9d07h 985d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 333 1d04h 1026d 💬 6 [1021d]
BUG: spinlock recursion in try_to_wake_up crypto mm 4 syz, C 9 760d 1042d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 183 2d00h 1045d 💬 1 [19d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 802d 1082d PATCH [423d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 528 7d15h 1110d 💬 4 [27d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4683 3h24m 1111d PATCH [268d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 745 18h42m 1114d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 426 2d00h 1134d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1138 2h15m 1246d PATCH [182d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3132 22h49m 1417d PATCH [82d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 637 1d12h 1427d 💬 1 [27d]
memory leak in xas_create prio:high mm 3 syz, C 60 36d 1535d PATCH [300d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25932 5h23m 1640d 💬 2 [121d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1185d 1687d 💬 3 [1173d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1862d 2214d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1531d 2429d 💬 2 [2323d]
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 6d04h 6d04h
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 15d 11d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign prio:low 6 1 17d 17d
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 22d 22d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 23d 23d
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 28d 28d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) race:benign prio:high mm 6 1 30d 30d
KCSAN: data-race in compact_zone / compact_zone (10) race:benign prio:high mm 6 1 35d 35d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 74 6h52m 48d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 50d 50d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) race:benign prio:low mm 6 1 53d 53d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 3 16d 57d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 83d 79d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 54d 94d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 6 16d 99d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 16d 111d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 43d 144d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 39 15d 157d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 82 15h52m 158d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 158 3d19h 247d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 18d 372d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 225 1d14h 473d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 155 12d 539d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 38d 668d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 35d 670d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 980 12h06m 671d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 31d 808d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 31d 810d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 884 16d 867d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 39d 896d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 36d 1016d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3157 10h40m 1017d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 30d 1718d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 32d 1741d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5565 8h48m 1912d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1690 10d 2187d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4169 2d00h 2476d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2618 1d15h 2482d