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 setup_conf mm prio:low -1 1 17d 13d 💬 1 [13d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 31 1d12h 17d 💬 3 [17d]
BUG: Bad page state in corrupted mm prio:high -1 syz, C 1 14d 25d PATCH [2d12h]
WARNING in mmap_region prio:low mm -1 syz 16 31d 29d 💬 1 [28d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 35 14d 33d 💬 6 [31d]
WARNING in alloc_vmap_area mm -1 2 38d 37d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz 1 42d 37d
WARNING in mas_nomem prio:low mm -1 syz 14 21d 38d 💬 10 [30d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 1d03h 45d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 71d 69d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 75 1d02h 79d PATCH [66d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 44d 79d PATCH [6d00h]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 33d 79d
possible deadlock in page_cache_ra_order prio:high mm 4 11 14d 99d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 31d 100d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 4d10h 102d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 4d20h 104d 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 117d 💬 1 [117d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 116 2d04h 143d 💬 7 [88d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 79d 151d 💬 1 [151d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 37419 now 161d PATCH [135d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 23d 175d 💬 3 [174d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 53d 188d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2449 6h24m 192d 💬 2 [138d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 2d18h 197d 💬 4 [21d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 319 7h51m 200d PATCH [82d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 35d 204d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 210d 209d 💬 28 [125d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 8d12h 211d
kernel BUG in page_table_check_set (2) prio:low mm -1 902 3h40m 213d 💬 1 [211d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 139d 223d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 225d 223d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 4d14h 245d PATCH [4d11h]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 75 2d03h 259d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 23d 261d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 230d 266d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 215d 278d PATCH [256d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 5d10h 283d
INFO: rcu detected stall in sys_symlink (6) prio:high mm fs 1 syz, C error inconclusive 6 120d 314d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 95 7d07h 320d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 303 14h58m 328d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 70d 341d PATCH [331d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 67 3h50m 357d PATCH [347d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 10d 372d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 21 6d22h 375d PATCH [229d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 178d 375d PATCH [351d]
INFO: rcu detected stall in sys_mount (8) prio:low overlayfs mm 1 syz, C error 44 11d 375d 💬 2 [44d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 50 18d 381d PATCH [4d11h]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 120d 398d PATCH [54d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3921 1d18h 402d 💬 1 [12d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 41d 413d 💬 2 [413d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 250d 438d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 754 1d01h 442d PATCH [4d11h]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 18 12d 465d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 69 2d05h 480d
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 15d 490d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 67d 493d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2222 1h39m 500d PATCH [263d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 226 12h34m 502d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 129 7d09h 502d 💬 1 [502d]
INFO: rcu detected stall in clone (7) prio:high mm 1 130 8d06h 529d
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 46d 611d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 9d19h 637d 💬 6 [546d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 27d 638d 💬 2 [384d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 607d 641d 💬 1 [598d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm net 1 147 8d07h 645d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 19d 650d 💬 7 [12d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 14d 650d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 112 1d11h 651d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 193 18h29m 654d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 13d 665d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 141 21h34m 677d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 111d 690d 💬 1 [690d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 403d 691d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 135 3d00h 696d
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 7d15h 704d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 2d06h 709d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 264 3d23h 717d PATCH [700d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 4d16h 720d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 647 7h19m 727d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 534d 728d 💬 4 [689d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 227d 735d 💬 1 [231d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 247 2d23h 755d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 240 1d10h 756d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 122 2d04h 757d PATCH [700d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 35d 802d PATCH [583d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 706 8d09h 827d
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 20d 835d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 20d 836d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 20d 838d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 21d 848d 💬 5 [790d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 501 19h13m 892d 💬 10 [438d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 29d 929d
BUG: soft lockup in pipe_read fs mm 1 syz 5 579d 956d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 716 2d15h 971d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 314 4h29m 1011d 💬 6 [1007d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 746d 1028d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 788d 1068d PATCH [409d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 527 14d 1096d 💬 4 [12d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4626 3h32m 1097d PATCH [253d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 717 5h44m 1100d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 423 3d13h 1120d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1116 12h49m 1232d PATCH [168d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3122 1d10h 1403d PATCH [68d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 635 8h02m 1413d 💬 1 [12d]
memory leak in xas_create prio:high mm 3 syz, C 60 21d 1521d PATCH [286d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25922 11d 1625d 💬 2 [106d]
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1171d 1673d 💬 3 [1158d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1847d 2200d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1517d 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 3d13h 3d13h
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 8d14h 8d14h
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 8d22h 8d22h
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 13d 13d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) mm race:benign prio:high 6 1 16d 16d
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 49 12h51m 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 39d 39d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 3 2d13h 43d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) race:benign prio:low mm 6 1 50d 50d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 69d 65d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 40d 80d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 6 2d11h 85d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 2d13h 97d
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 20h18m 143d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 79 1d11h 144d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 145 1h27m 232d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 4d10h 357d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 154 1d20h 524d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 23d 654d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 21d 656d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 977 1d09h 657d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 17d 793d
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 2d10h 853d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 50d 879d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 25d 882d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 22d 1002d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3103 1h26m 1003d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 16d 1704d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 18d 1727d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5535 1d03h 1898d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1689 19h29m 2173d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4162 10d 2462d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2613 14h47m 2468d