mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 422
Parent subsystem(s): kernel (118)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in swap_put_entries_direct mm -1 1 5d08h 1d08h 💬 1 [1d07h]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 7 1d03h 1d08h 💬 4 [23h42m]
WARNING in setup_conf mm prio:low -1 1 19d 15d 💬 1 [15d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 31 3d10h 19d 💬 3 [19d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 16d 27d PATCH [4d10h]
WARNING in mmap_region prio:low mm -1 syz 16 33d 31d 💬 1 [29d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 35 16d 35d 💬 6 [33d]
WARNING in alloc_vmap_area mm -1 2 40d 39d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz 1 44d 39d
WARNING in mas_nomem prio:low mm -1 syz 14 23d 40d 💬 10 [32d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 3d01h 47d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 73d 71d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 79 12h31m 81d PATCH [68d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 46d 81d PATCH [7d22h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 35d 81d
possible deadlock in page_cache_ra_order prio:high mm 4 11 16d 101d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 33d 102d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 6d08h 104d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 6d18h 106d PATCH [103d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 97d 111d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 68d 119d 💬 1 [118d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 116 4d02h 145d 💬 7 [90d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 81d 153d 💬 1 [153d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 37834 8m 163d PATCH [137d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 24d 176d 💬 3 [176d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 55d 190d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2458 18h28m 194d 💬 2 [140d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 4d16h 199d 💬 4 [23d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 319 2d05h 202d PATCH [83d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 17h27m 206d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 212d 211d 💬 28 [127d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 10d 213d
kernel BUG in page_table_check_set (2) prio:low mm -1 902 2d01h 215d 💬 1 [213d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 141d 225d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 227d 225d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 6d12h 247d PATCH [6d09h]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 78 14h28m 261d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 25d 263d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 232d 268d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 217d 280d PATCH [258d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 7d08h 285d
INFO: rcu detected stall in sys_symlink (6) prio:high mm fs 1 syz, C error inconclusive 6 122d 316d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 95 9d05h 322d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 304 1d13h 329d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 72d 343d PATCH [333d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 78 40m 359d PATCH [349d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 12d 374d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 22 18h39m 377d PATCH [231d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 179d 377d PATCH [353d]
INFO: rcu detected stall in sys_mount (8) prio:low overlayfs mm 1 syz, C error 44 13d 377d 💬 2 [46d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 50 19d 383d PATCH [6d09h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 122d 400d PATCH [55d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3927 12h32m 404d 💬 1 [14d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 43d 415d 💬 2 [415d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 252d 440d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 760 1h27m 444d PATCH [6d09h]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 20 23h34m 467d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 69 4d03h 482d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 248d 485d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 19 17d 492d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 69d 495d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2228 17h03m 502d PATCH [265d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 228 1d01h 504d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 9d07h 504d 💬 1 [504d]
INFO: rcu detected stall in clone (7) prio:high mm 1 130 10d 531d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 39d 592d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 48d 613d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 11d 639d 💬 6 [548d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 29d 640d 💬 2 [386d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 609d 643d 💬 1 [600d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm net 1 147 10d 647d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 21d 652d 💬 7 [14d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 16d 652d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 113 1d14h 653d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 193 2d16h 656d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 15d 667d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 142 8h00m 679d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 113d 692d 💬 1 [691d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 405d 693d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 135 4d22h 698d
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 9d13h 706d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 4d04h 710d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 264 5d21h 719d PATCH [701d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 6d14h 721d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 647 2d05h 729d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 536d 730d 💬 4 [691d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 229d 737d 💬 1 [233d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 247 4d21h 757d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 248 20h50m 757d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 123 1h30m 759d PATCH [701d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 37d 804d PATCH [585d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 706 10d 829d
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 22d 837d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 22d 838d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 22d 840d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 23d 850d 💬 5 [792d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 501 2d17h 894d 💬 10 [440d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 31d 931d
BUG: soft lockup in pipe_read fs mm 1 syz 5 580d 958d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 718 12h30m 973d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 315 10h38m 1013d 💬 6 [1009d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 748d 1030d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 790d 1070d PATCH [410d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 527 16d 1098d 💬 4 [14d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4631 5h17m 1098d PATCH [255d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 719 1d01h 1101d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 423 5d11h 1122d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1120 10h05m 1234d PATCH [169d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3124 14h10m 1405d PATCH [70d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 635 2d05h 1415d 💬 1 [14d]
memory leak in xas_create prio:high mm 3 syz, C 60 23d 1523d PATCH [288d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25924 1d06h 1627d 💬 2 [108d]
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1173d 1675d 💬 3 [1160d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1849d 2202d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1519d 2417d 💬 2 [2310d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign prio:low 6 1 5d11h 5d11h
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 10d 10d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 10d 10d
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 15d 15d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) mm race:benign prio:high 6 1 18d 18d
KCSAN: data-race in compact_zone / compact_zone (10) mm race:benign prio:high 6 1 23d 23d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 51 1d08h 36d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 38d 38d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) race:benign prio:low mm 6 1 41d 41d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 3 4d11h 45d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) race:benign prio:low mm 6 1 52d 52d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 71d 67d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 42d 82d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 6 4d09h 87d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 4d11h 99d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 30d 131d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 39 2d18h 144d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 80 1h09m 146d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 147 1d00h 234d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 6d08h 359d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 155 22m 526d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 25d 656d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 23d 658d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 979 7h55m 659d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 19d 795d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 18d 798d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 884 4d08h 855d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 52d 881d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 27d 884d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 24d 1004d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3114 5h14m 1005d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 18d 1706d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 19d 1729d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5539 8h57m 1900d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1689 2d17h 2175d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4162 12d 2464d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2615 5h11m 2470d