syzbot

 sign-in | mailing list | source | docs
🐞 Open [1432]
≡ Subsystems
🐞 Fixed [6917]
🐞 Invalid [17992]
⬇ Missing Backports [223]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 398
Parent subsystem(s): kernel (83)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 3d08h 2d02h
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 2 9d04h 5d13h 💬 2 [5d03h]
kernel BUG in page_table_check_set (2) mm -1 2 7d07h 5d22h 💬 1 [4d03h]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error 1 17d 15d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 8810 now 17d 💬 3 [16d]
WARNING in unlink_anon_vmas (2) mm -1 C 6 16d 24d PATCH [24d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 28d 25d 💬 8 [21d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) virt mm 19 10 20d 27d PATCH [23d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 4 8d22h 28d 💬 9 [27d]
WARNING in xfs_buf_alloc mm -1 1 37d 33d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 3d09h 37d
possible deadlock in flush_end_io fs mm 4 391 2d12h 44d
KMSAN: uninit-value in __sigqueue_free cgroups mm 7 1 48d 44d PATCH [6d23h]
KMSAN: uninit-value in swap_writeout mm 7 8 6d16h 51d PATCH [35d]
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 39 6d10h 54d
INFO: rcu detected stall in sys_signalfd4 (2) cgroups mm 1 syz 1 57d 56d
INFO: rcu detected stall in finish_dput mm 1 C error 138 23d 58d
WARNING in shrink_lruvec mm -1 1 68d 64d PATCH [54d]
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 3 12d 65d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 33d 66d PATCH [31d]
WARNING in update_rq_clock sound mm ext4 -1 19 1d06h 68d
WARNING in sched_mm_cid_fork fs mm -1 C error 332 8d08h 70d PATCH [49d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 8 42d 76d
kernel BUG in qlist_free_all (3) mm -1 1 85d 81d
WARNING in __page_table_check_ptes_set (3) mm -1 4 10d 90d
general protection fault in __rt_mutex_slowlock_locked mm 2 5 36d 92d
WARNING in swap_cache_get_folio mm -1 6 92d 92d PATCH [66d]
possible deadlock in __hugetlb_zap_begin mm 4 1 97d 93d PATCH [93d]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error inconclusive 4 6d09h 96d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 70d 98d 💬 2 [97d]
kernel BUG in filemap_fault (3) mm -1 C error 15 9d09h 105d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 31d 106d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 72 10d 112d
general protection fault in call_timer_fn (2) no-reminders mm 19 10 5d07h 119d
INFO: task hung in migrate_pages_batch (4) mm 1 87 10h38m 120d
possible deadlock in hugetlb_vma_lock_read mm 4 4 59d 125d
WARNING in path_noexec (2) mm fs -1 C error 17060 44m 134d PATCH [123d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 53d 149d PATCH [139d]
KMSAN: uninit-value in __run_timer_base (2) mm 8 9 17d 154d PATCH [151d]
INFO: rcu detected stall in sys_madvise (2) mm 1 42 8d06h 164d
INFO: task hung in writeback_iter (3) fs mm 1 C error 14 14d 167d PATCH [21d]
WARNING in __alloc_skb (4) mm -1 C 7 52d 167d PATCH [144d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 1d23h 168d 💬 1 [167d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error 41 29d 173d 💬 7 [54d]
WARNING in alloc_frozen_pages_noprof mm -1 C 390 59d 182d 💬 3 [180d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 15d 191d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 22d 206d 💬 2 [205d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 42d 230d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 376 1d03h 235d 💬 1 [197d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 9 2d15h 257d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 54 28d 272d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 38d 275d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 14 4d07h 283d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 32d 286d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 1d13h 292d
kernel BUG in __filemap_add_folio mm fs -1 C done 1634 3h52m 292d PATCH [55d]
BUG: soft lockup in sys_bpf mm 1 C error 113 1d22h 294d
INFO: task hung in page_cache_ra_order fs mm 1 C done 83 5d04h 295d 💬 1 [294d]
INFO: rcu detected stall in clone (7) mm 1 81 13d 321d
INFO: task hung in rmap_walk_file mm 1 C error 19 29d 369d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done done 27 74d 370d 💬 1 [42d]
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 35d 382d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 22 15d 403d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 27d 417d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 47d 429d 💬 6 [338d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 50 32d 430d 💬 2 [176d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 400d 433d 💬 1 [391d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 85 6d01h 434d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 15d 442d 💬 7 [86d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 51 10d 443d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 61 6d13h 443d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 2d08h 446d PATCH [33d]
kernel BUG in resv_map_release (3) mm -1 C inconclusive 31 21d 456d 💬 1 [456d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 111 20d 458d
INFO: rcu detected stall in brk (2) mm 1 syz 2 405d 468d 💬 8 [467d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 107 21d 469d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 16d 481d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 78d 483d 💬 1 [482d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 195d 484d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 97 10d 488d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 78 26d 496d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 284d 501d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 201 6d04h 510d PATCH [492d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 75 8d05h 512d
INFO: rcu detected stall in x64_sys_call mm 1 C error 493 13d 520d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 326d 520d 💬 4 [481d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 2d13h 521d 💬 3 [111d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 320d 525d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3651 19d 527d 💬 1 [23d]
INFO: rcu detected stall in kcov_close mm 1 173 23h51m 548d
kernel panic: System is deadlocked on memory (2) mm 2 96 4h16m 548d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 109 25d 549d PATCH [492d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 77 10d 595d PATCH [376d]
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter virt mm 1 syz error error 661 15h44m 620d
WARNING in shmem_evict_inode (3) mm -1 65 2d03h 627d
INFO: rcu detected stall in sendmsg (4) mm 1 C error 62 17d 628d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 340 26d 631d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 48d 640d 💬 5 [582d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 572d 678d 💬 2 [558d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 378 15h17m 684d 💬 10 [231d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 66d 722d
BUG: soft lockup in pipe_read fs mm 1 syz 5 371d 748d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 683 20m 764d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 231 16h42m 785d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 194 3d03h 804d 💬 6 [799d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 538d 821d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 580d 861d PATCH [201d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 489 1d03h 889d 💬 4 [118d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 531 3d17h 892d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 347 4d15h 912d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 900 53m 1024d 💬 6 [23d]
possible deadlock in filemap_fault mm 4 C done 3025 4d15h 1195d 💬 4 [23d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 509 14d 1205d 💬 1 [55d]
memory leak in xas_create mm 3 C 33 7d09h 1313d PATCH [79d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25864 11h08m 1418d 💬 2 [23d]
INFO: task hung in do_read_cache_folio block mm kasan 1 C error error 179 964d 1465d 💬 3 [951d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1640d 1992d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1310d 2207d 💬 2 [2101d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 3d23h 3d23h
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 9d21h 9d21h
KCSAN: data-race in copy_mm / mas_wmb_replace mm race:benign 6 2 2d05h 18d
KCSAN: data-race in __se_sys_mremap / vms_complete_munmap_vmas mm race:benign 6 1 19d 19d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 2 12d 24d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 14 13h37m 25d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 1 26d 26d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) mm cgroups 6 1 32d 32d
KCSAN: data-race in begin_new_exec / cgroup_task_dead fs mm 6 1 33d 33d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 22d 44d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (8) fs mm 6 2 43d 44d
KCSAN: data-race in __se_sys_mremap / vma_complete mm 6 2 34d 44d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 3 24d 47d
BUG: Bad page map (9) mm -1 1 56d 52d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 3 18d 59d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 3 18d 62d
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 4 31d 66d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 4 16d 92d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 6 25d 96d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 1d00h 137d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 7 36d 143d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 17 6d11h 150d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 8 17d 154d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm ext4 6 14 44d 159d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm 6 20 7d12h 203d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 12 28d 234d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic mm ext4 6 106 7h13m 252d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 113 2d20h 290d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 328 5h21m 291d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 15 22h17m 302d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 131 11h12m 317d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 127 2h08m 446d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 441 20h27m 448d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 858 1h53m 449d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 107 5d06h 482d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 172 4d00h 586d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 178 7h06m 586d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 124 6d16h 588d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 818 7h24m 645d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 86 1d21h 671d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 190 12d 674d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2399 7h09m 795d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 949 4d23h 1497d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1728 16h40m 1520d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5090 6h47m 1691d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1631 9d10h 1965d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4118 1d16h 2254d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2481 18h01m 2260d