mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 416
Parent subsystem(s): kernel (99)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in mmap_region mm prio:low -1 syz 16 2d11h 1d00h
BUG: sleeping function called from invalid context in mmc_free_host mmc mm prio:high 5 syz, C error 30 2d12h 3d22h PATCH [21h42m]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 33 3d10h 4d20h 💬 6 [3d03h]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 24 2d06h 7d20h
WARNING in alloc_vmap_area mm -1 2 10d 8d20h
INFO: rcu detected stall in filemap_read mm kasan prio:normal 1 syz 1 13d 8d20h
WARNING in mas_nomem mm prio:low -1 syz 13 10d 9d13h 💬 10 [2d00h]
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 2 9d20h 16d
WARNING in update_rq_clock (2) prio:low mm -1 syz, C 21 4h18m 37d 💬 3 [6d14h]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error error 1 43d 40d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 44 8h39m 50d PATCH [37d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 16d 50d 💬 1 [48d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 5d01h 50d
KASAN: invalid-free in rcu_free_sheaf prio:high netfilter mm arm 24 6 28d 58d PATCH [22d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 72d 68d PATCH [67d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 10 7d19h 70d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 3 2d16h 71d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 42 18h04m 73d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 51d 75d PATCH [73d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 66d 80d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 85d 81d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 82d 84d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 37d 89d 💬 1 [88d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 71d 89d PATCH [87d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 88d 110d 💬 2 [109d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 105 1d11h 114d 💬 7 [59d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 50d 122d 💬 1 [122d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 32251 25m 132d PATCH [107d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 43d 146d 💬 3 [146d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 25d 159d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2392 5h21m 164d 💬 2 [109d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 35 3d02h 168d 💬 4 [10d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 13d 171d PATCH [53d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 7d07h 175d
memory leak in __kfree_rcu_sheaf prio:high mm exfat f2fs 3 syz 1 182d 181d 💬 28 [96d]
BUG: Bad rss-counter state (6) prio:high mm -1 110 35d 182d
kernel BUG in page_table_check_set (2) prio:low mm -1 737 6d10h 184d 💬 1 [183d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 110d 194d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 196d 194d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 8 32d 216d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 61 2d03h 230d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 54 3d15h 233d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 202d 237d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 15 2d05h 244d PATCH [13d]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 187d 249d PATCH [228d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 13d 255d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 92d 285d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 92 4d13h 291d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 273 2d04h 299d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 41d 313d PATCH [302d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 162d 328d PATCH [318d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 61 5d10h 343d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 40d 346d PATCH [200d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 149d 346d PATCH [323d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 47 11d 352d 💬 7 [233d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 91d 370d PATCH [25d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3877 11h18m 374d 💬 1 [15d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 13d 385d 💬 2 [384d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 221d 409d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 654 6h11m 414d 💬 1 [376d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 12d 436d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 64 10h52m 451d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 217d 454d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 58d 462d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 38d 465d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2095 2h51m 471d PATCH [234d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 207 now 473d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 126 9h11m 474d 💬 1 [473d]
INFO: rcu detected stall in clone (7) prio:high mm 1 127 2d19h 500d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 8d15h 561d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 17d 582d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 57d 608d 💬 6 [517d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 57 49d 609d 💬 2 [355d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 579d 612d 💬 1 [570d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 145 2d23h 617d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 32d 621d 💬 7 [47d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 68 10d 622d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 104 47m 622d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 173 2d21h 625d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 138 5d03h 637d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 136 8h11m 648d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 82d 662d 💬 1 [661d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 374d 663d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 128 18h17m 667d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 13d 675d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 79d 680d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 256 15d 689d PATCH [671d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 89 5h48m 691d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 601 10h43m 699d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 505d 699d 💬 4 [660d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 198d 706d 💬 1 [202d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 234 3d03h 727d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 227 9h14m 727d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 119 1d18h 728d PATCH [671d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 6d11h 773d PATCH [555d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 12d 799d
WARNING in shmem_evict_inode (3) prio:normal mm -1 99 7d16h 806d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 33d 807d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 402 10d 810d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 38d 819d 💬 5 [761d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 751d 857d 💬 2 [737d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 476 5h35m 863d 💬 10 [410d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 1d01h 901d
BUG: soft lockup in pipe_read fs mm 1 syz 5 550d 927d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 705 1d13h 943d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 286 1d02h 983d 💬 6 [978d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 717d 999d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 759d 1040d PATCH [380d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 511 1d03h 1068d 💬 4 [15d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 673 3h20m 1071d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 408 1d17h 1091d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1082 2d05h 1203d PATCH [139d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3117 7h27m 1374d PATCH [39d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 603 2d16h 1384d 💬 1 [15d]
memory leak in xas_create prio:high mm 3 syz, C 58 11d 1492d PATCH [258d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25917 10d 1597d 💬 2 [78d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1143d 1644d 💬 3 [1130d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1819d 2171d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1489d 2386d 💬 2 [2280d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_mm / vma_complete (4) mm race:benign prio:low 6 1 7d16h 7d16h
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) mm race:benign prio:low 6 1 11d 11d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) mm fs race:benign prio:high 6 1 14d 14d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 22d 22d
general protection fault in __refill_obj_stock prio:high mm cgroups 2 1 41d 37d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) race:benign prio:high mm fs 6 1 40d 40d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 44d 44d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 47d 47d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 36d 48d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 3 12d 51d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 3 26d 56d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 42d 69d
WARNING in do_mmap prio:low mm fs -1 1 80d 76d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 40d 86d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 40d 98d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 10h24m 101d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 33 15h09m 114d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 72 5h37m 115d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 114 18h33m 204d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 27d 275d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 33 9d04h 329d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 152 23d 496d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 165 16d 625d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 663 9h28m 627d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 956 11h16m 628d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 227 6d12h 765d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 163 4d11h 767d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 872 8d08h 824d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 21d 850d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 220 5d06h 853d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 179 12d 973d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3004 6m 974d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 968 2d14h 1676d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2024 4h27m 1699d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5500 21m 1870d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1686 16h47m 2144d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4160 13d 2433d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2587 11h27m 2439d