mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 414
Parent subsystem(s): kernel (97)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: sleeping function called from invalid context in mmc_free_host mmc mm 5 syz, C error 26 18h39m 3h34m
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 31 22h42m 1d02h 💬 2 [5h51m]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low mm kernfs 1 syz, C error 21 12h44m 4d02h
WARNING in alloc_vmap_area mm -1 2 6d10h 5d01h
WARNING in va_alloc mm prio:high -1 7 3d18h 5d01h PATCH [2d12h]
INFO: rcu detected stall in filemap_read mm kasan prio:normal 1 syz 1 9d16h 5d02h
WARNING in mas_nomem mm prio:low -1 syz 13 6d10h 5d18h 💬 4 [18h18m]
possible deadlock in hugetlb_vma_lock_free (2) mm prio:low 4 2 6d01h 12d
WARNING in update_rq_clock (2) prio:low mm -1 syz, C 20 18h09m 34d 💬 3 [2d19h]
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm usb input 1 syz, C error error 1 39d 37d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 37 2h54m 46d PATCH [34d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 12d 46d 💬 1 [44d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 1d06h 47d
KASAN: invalid-free in rcu_free_sheaf prio:high mm arm net 24 6 24d 54d PATCH [18d]
upstream test error: WARNING in call_timer_fn prio:high mm -1 1 64d 60d 💬 1 [60d]
linux-next test error: kernel BUG in post_alloc_hook prio:low mm -1 4 63d 63d 💬 2 [62d]
WARNING in swap_cluster_assert_empty prio:low mm -1 1 68d 64d PATCH [63d]
possible deadlock in page_cache_ra_order prio:high fs mm 4 10 4d00h 67d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low mm 6 2 34d 68d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 41 7d04h 70d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 3 47d 71d PATCH [69d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 62d 76d
WARNING in folio_lruvec_relock_irqsave prio:high mm -1 1 82d 78d
possible deadlock in hugetlbfs_fallocate prio:low fs mm 4 2 78d 80d
possible deadlock in gup_fast_fallback (3) prio:low mm 4 14 33d 85d 💬 1 [84d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 68d 85d PATCH [83d]
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm 5 1 98d 94d 💬 3 [93d]
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages prio:high arch mm 5 3 97d 97d 💬 2 [65d]
BUG: sleeping function called from invalid context in __zap_vma_range prio:high mm 5 4 84d 107d 💬 2 [106d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 103 42m 110d 💬 7 [56d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 47d 119d 💬 1 [119d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 31485 38m 128d PATCH [103d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 21 39d 142d 💬 3 [142d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 21d 155d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2384 12h42m 160d 💬 2 [105d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm kvm virt 13 34 8h46m 165d 💬 4 [6d13h]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 287 10d 168d PATCH [49d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 41 3d12h 172d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 178d 177d 💬 28 [93d]
BUG: Bad rss-counter state (6) prio:high mm -1 110 31d 179d
kernel BUG in page_table_check_set (2) prio:low mm -1 737 2d16h 181d 💬 1 [179d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf 1 syz error error 2 107d 191d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 192d 191d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz error error 8 28d 213d
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 57 3d08h 226d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 53 3d20h 229d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 198d 233d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start prio:high mm 5 syz 14 4d04h 240d PATCH [9d18h]
WARNING in sched_mm_cid_fork prio:low mm fs -1 syz, C error error 332 183d 245d PATCH [224d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 17 9d18h 251d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 6 88d 282d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 92 19h03m 287d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 271 1d23h 295d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 37d 309d PATCH [299d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 158d 324d PATCH [315d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 61 1d15h 339d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 20 37d 342d PATCH [196d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 145d 343d PATCH [319d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 47 8d04h 348d 💬 7 [229d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 88d 366d PATCH [21d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3873 5h31m 370d 💬 1 [11d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 9d11h 381d 💬 2 [380d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 218d 406d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 648 9h53m 410d 💬 1 [372d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 14 8d13h 432d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 62 6d09h 448d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 213d 450d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 18 54d 458d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 34d 461d
INFO: task hung in exit_mmap (2) prio:low mm 1 syz, C done error 59 106d 467d PATCH [21h22m]
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2082 5h01m 468d PATCH [230d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 205 7d23h 469d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 125 1d17h 470d 💬 1 [469d]
INFO: rcu detected stall in clone (7) prio:high mm 1 125 1d15h 496d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 4d21h 557d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 14d 578d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 11 54d 604d 💬 6 [513d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 57 45d 605d 💬 2 [352d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 575d 609d 💬 1 [566d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high net mm 1 144 1d15h 613d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 78 28d 617d 💬 7 [43d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 68 7d03h 618d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 100 2d20h 618d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm tomoyo 1 syz error 172 18h58m 622d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 138 1d08h 633d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 133 13h30m 644d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 78d 658d 💬 1 [657d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 371d 659d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 127 4d21h 663d
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 9d18h 671d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 14 76d 676d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 256 11d 685d PATCH [667d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 88 11d 687d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 597 1d16h 695d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 502d 696d 💬 4 [656d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 195d 703d 💬 1 [198d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 232 14h26m 723d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 225 6h58m 723d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 118 4d20h 724d PATCH [667d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 2d17h 770d PATCH [551d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 704 9d05h 795d
WARNING in shmem_evict_inode (3) prio:normal mm -1 99 3d21h 803d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 30d 803d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 402 6d20h 806d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 35d 815d 💬 5 [757d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 syz, C error inconclusive 498 747d 854d 💬 2 [733d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 475 2h18m 860d 💬 10 [406d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 52 14d 897d
BUG: soft lockup in pipe_read fs mm 1 syz 5 546d 924d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 704 19h39m 939d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 285 3d20h 979d 💬 6 [975d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 713d 996d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 755d 1036d PATCH [376d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 499 2d18h 1064d 💬 4 [11d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 666 14h54m 1067d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 406 2d14h 1088d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1080 1d19h 1199d PATCH [135d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3112 1d13h 1371d PATCH [36d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 601 12h54m 1381d 💬 1 [11d]
memory leak in xas_create prio:high mm 3 syz, C 58 7d20h 1488d PATCH [254d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25917 6d16h 1593d 💬 2 [74d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1139d 1640d 💬 3 [1126d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1815d 2168d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1485d 2382d 💬 2 [2276d]
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 3d22h 3d22h
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) mm race:benign prio:low 6 1 7d06h 7d06h
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) mm fs race:benign prio:high 6 1 10d 10d
KCSAN: data-race in copy_mm / lru_gen_del_mm (2) mm race:benign prio:low 6 1 18d 18d
general protection fault in __refill_obj_stock prio:high mm cgroups 2 1 37d 33d
KCSAN: data-race in __wb_writeout_add / writeout_period (6) race:benign prio:high mm fs 6 1 36d 36d
KCSAN: data-race in generic_fillattr / shmem_symlink (7) race:benign prio:low mm 6 1 41d 41d
KCSAN: data-race in copy_mm / vm_mmap_pgoff (3) race:benign prio:low mm 6 1 43d 43d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 33d 44d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low mm 6 3 8d07h 47d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 3 22d 52d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (10) race:benign prio:high mm fs 6 1 54d 54d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (12) race:benign prio:high fs mm 6 1 55d 55d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 2 38d 65d
WARNING in do_mmap prio:low mm fs -1 1 76d 72d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (9) race:benign prio:low fs mm 6 2 36d 82d
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) prio:low mm 6 3 37d 94d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 3 32d 97d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 32 5d08h 110d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 70 4d17h 111d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 113 3d12h 200d
KCSAN: data-race in copy_mm / copy_page_range (3) prio:low mm 6 10 23d 271d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 33 5d10h 325d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 152 19d 492d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 165 13d 621d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 659 8h45m 623d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 955 4d14h 625d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 227 2d18h 761d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 163 16h47m 763d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 872 4d14h 820d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) prio:low mm 6 93 18d 846d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 220 1d12h 850d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 179 9d01h 970d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 2989 6h11m 971d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 967 21d 1672d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2019 14h20m 1695d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high mm fs 6 5492 19h06m 1866d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1684 11h58m 2140d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low mm fs 6 4160 9d22h 2430d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2583 4d12h 2435d