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 4d02h 2h20m 💬 1 [1h04m]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 6 4h39m 2h21m 💬 1 [1h17m]
WARNING in setup_conf mm prio:low -1 1 18d 14d 💬 1 [14d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 31 2d03h 18d 💬 3 [18d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 14d 26d PATCH [3d04h]
WARNING in mmap_region prio:low mm -1 syz 16 31d 30d 💬 1 [28d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 35 15d 34d 💬 6 [32d]
WARNING in alloc_vmap_area mm -1 2 39d 38d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz 1 42d 38d
WARNING in mas_nomem prio:low mm -1 syz 14 21d 38d 💬 10 [31d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 1d19h 45d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 72d 70d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 76 7h48m 79d PATCH [67d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 45d 80d PATCH [6d15h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 34d 80d
possible deadlock in page_cache_ra_order prio:high mm 4 11 15d 100d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 31d 101d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 5d01h 103d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 5d11h 105d PATCH [102d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 95d 109d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 66d 118d 💬 1 [117d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 116 2d20h 143d 💬 7 [89d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 80d 152d 💬 1 [152d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 37561 7m 161d PATCH [136d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 23d 175d 💬 3 [175d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 54d 188d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2455 1h20m 193d 💬 2 [138d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 3d10h 198d 💬 4 [22d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 319 23h23m 201d PATCH [82d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 36d 205d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 211d 210d 💬 28 [126d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 9d04h 212d
kernel BUG in page_table_check_set (2) prio:low mm -1 902 19h12m 214d 💬 1 [212d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 140d 224d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 225d 224d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 5d05h 246d PATCH [5d03h]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 76 13h43m 259d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 24d 262d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 231d 266d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 216d 278d PATCH [257d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 6d02h 284d
INFO: rcu detected stall in sys_symlink (6) prio:high mm fs 1 syz, C error inconclusive 6 121d 315d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 95 7d23h 321d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 304 7h28m 328d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 70d 342d PATCH [332d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 72 3h16m 357d PATCH [348d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 10d 373d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 21 7d13h 375d PATCH [230d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 178d 376d PATCH [352d]
INFO: rcu detected stall in sys_mount (8) prio:low overlayfs mm 1 syz, C error 44 11d 376d 💬 2 [45d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 50 18d 381d PATCH [5d03h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 121d 399d PATCH [54d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3921 2d10h 403d 💬 1 [13d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 42d 414d 💬 2 [413d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 251d 439d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 755 22m 443d PATCH [5d03h]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 19 24m 465d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 69 2d21h 481d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 246d 483d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 19 16d 491d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 67d 494d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2227 3h37m 501d PATCH [263d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 226 1d04h 502d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 8d01h 503d 💬 1 [502d]
INFO: rcu detected stall in clone (7) prio:high mm 1 130 8d21h 530d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 37d 590d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 47d 611d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 10d 637d 💬 6 [547d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 27d 638d 💬 2 [385d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 608d 642d 💬 1 [599d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm net 1 147 8d23h 646d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 20d 651d 💬 7 [13d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 15d 651d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 113 8h31m 651d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 193 1d10h 655d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 13d 666d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 141 1d13h 678d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 111d 691d 💬 1 [690d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 404d 692d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 135 3d16h 696d
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 8d06h 704d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 2d22h 709d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 264 4d14h 718d PATCH [700d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 5d07h 720d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 647 22h51m 728d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 535d 729d 💬 4 [689d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 228d 736d 💬 1 [231d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 247 3d14h 756d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 244 1h27m 756d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 122 2d19h 757d PATCH [700d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 35d 803d PATCH [584d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 706 9d01h 828d
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 21d 836d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 21d 836d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 20d 839d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 22d 848d 💬 5 [790d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 501 1d10h 893d 💬 10 [439d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 30d 930d
BUG: soft lockup in pipe_read fs mm 1 syz 5 579d 957d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 716 3d07h 972d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 314 20h02m 1012d 💬 6 [1008d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 747d 1029d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 788d 1069d PATCH [409d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 527 15d 1097d 💬 4 [13d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4627 2h23m 1097d PATCH [254d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 717 21h16m 1100d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 423 4d05h 1121d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1117 3h12m 1232d PATCH [168d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3122 2d01h 1404d PATCH [69d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 635 23h35m 1414d 💬 1 [13d]
memory leak in xas_create prio:high mm 3 syz, C 60 22d 1521d PATCH [287d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25923 9h11m 1626d 💬 2 [107d]
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1172d 1673d 💬 3 [1159d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1848d 2201d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1518d 2415d 💬 2 [2309d]
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 4d04h 4d04h
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 9d05h 9d05h
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 9d13h 9d13h
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 14d 14d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) mm race:benign prio:high 6 1 17d 17d
KCSAN: data-race in compact_zone / compact_zone (10) mm race:benign prio:high 6 1 21d 21d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 51 2h00m 34d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 36d 36d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) race:benign prio:low mm 6 1 40d 40d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 3 3d05h 43d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) race:benign prio:low mm 6 1 51d 51d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 70d 66d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 41d 80d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 6 3d03h 85d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 3d05h 98d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 29d 130d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 39 1d11h 143d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 79 2d02h 144d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 146 12h08m 233d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 5d01h 358d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 154 2d11h 525d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 24d 654d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 22d 656d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 977 2d00h 658d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 18d 794d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 17d 796d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 884 3d02h 853d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 51d 879d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 25d 883d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 22d 1003d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3106 1h55m 1004d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 16d 1705d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 18d 1728d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5537 20m 1899d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1689 1d11h 2173d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4162 10d 2463d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2613 1d06h 2468d