mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 422
Parent subsystem(s): kernel (117)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in swap_put_entries_direct mm -1 1 5d01h 1d01h 💬 1 [1d00h]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 7 20h16m 1d01h 💬 4 [16h48m]
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 3d03h 19d 💬 3 [19d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 15d 27d PATCH [4d03h]
WARNING in mmap_region prio:low mm -1 syz 16 32d 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 43d 39d
WARNING in mas_nomem prio:low mm -1 syz 14 22d 39d 💬 10 [32d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 2d18h 46d
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 5h36m 80d PATCH [68d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 46d 81d PATCH [7d15h]
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 15d 101d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 32d 102d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 6d01h 104d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 6d11h 106d PATCH [103d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 96d 110d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 67d 119d 💬 1 [118d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 116 3d19h 144d 💬 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 37776 now 162d 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 189d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2458 11h34m 194d 💬 2 [139d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 4d09h 199d 💬 4 [23d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 319 1d22h 202d PATCH [83d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 10h33m 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 1d18h 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 226d 225d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 6d05h 247d PATCH [6d02h]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 78 7h34m 260d
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 267d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 217d 279d PATCH [258d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 7d01h 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 8d22h 322d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 304 1d06h 329d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 71d 343d PATCH [333d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 74 15h51m 358d PATCH [349d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 11d 374d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 22 11h45m 376d 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 12d 377d 💬 2 [46d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 50 19d 382d PATCH [6d02h]
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 5h38m 404d 💬 1 [14d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 43d 415d 💬 2 [414d]
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 759 2h52m 444d PATCH [6d02h]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 20 16h39m 466d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 69 3d20h 482d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 247d 484d
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 68d 495d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2228 10h08m 502d PATCH [264d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 228 18h49m 503d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 9d00h 504d 💬 1 [503d]
INFO: rcu detected stall in clone (7) prio:high mm 1 130 9d21h 531d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 38d 591d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 48d 612d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 11d 638d 💬 6 [547d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 28d 639d 💬 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 9d22h 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 1d08h 652d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 193 2d09h 656d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 14d 667d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 142 1h06m 679d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 112d 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 4d15h 697d
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 9d06h 705d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 3d21h 710d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 264 5d14h 719d PATCH [701d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 6d07h 721d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 647 1d22h 729d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 536d 730d 💬 4 [690d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 229d 737d 💬 1 [232d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 247 4d14h 757d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 248 13h56m 757d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 122 3d19h 758d PATCH [701d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 36d 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 837d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 21d 840d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 23d 849d 💬 5 [791d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 501 2d10h 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 5h35m 973d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 315 3h44m 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 789d 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 4630 10h36m 1098d PATCH [255d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 719 18h18m 1101d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 423 5d04h 1122d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1120 3h11m 1233d PATCH [169d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3124 7h16m 1405d PATCH [70d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 635 1d23h 1415d 💬 1 [14d]
memory leak in xas_create prio:high mm 3 syz, C 60 23d 1522d PATCH [288d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25924 23h18m 1627d 💬 2 [108d]
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1173d 1674d 💬 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 2416d 💬 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 5d04h 5d04h
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 22d 22d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 51 1d01h 35d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 37d 37d
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 4d04h 44d
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 81d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 6 4d02h 86d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 4d04h 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 2d11h 144d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 79 3d02h 145d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 147 17h09m 234d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 6d01h 359d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 154 3d11h 526d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 25d 655d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 23d 657d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 979 1h00m 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 797d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 884 4d01h 854d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 52d 880d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 26d 884d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 23d 1004d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3112 3h13m 1005d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 17d 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 2h03m 1900d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1689 2d10h 2174d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4162 11d 2464d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2614 5h44m 2469d