syzbot


mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 407
Parent subsystem(s): kernel (100)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: sleeping function called from invalid context in vma_alloc_folio_noprof (2) mm 5 1 12d 8d09h 💬 3 [7d05h]
WARNING: bad unlock balance in do_fault mm 4 1 13d 9d10h
WARNING: bad unlock balance in folio_remove_rmap_ptes mm 4 1 15d 11d
BUG: sleeping function called from invalid context in __tlb_batch_free_encoded_pages mm arch 5 3 10d 11d
WARNING in __page_cache_release mm -1 1 15d 11d
WARNING: lock held when returning to user space in do_fault mm 4 2 14d 11d
WARNING: bad unlock balance in finish_fault mm 4 1 16d 12d
WARNING: bad unlock balance in do_wp_page mm 4 8 5h50m 15d 💬 9 [14d]
WARNING: lock held when returning to user space in __pte_offset_map mm 4 13 8d09h 16d
WARNING: bad unlock balance in __zap_vma_range mm 4 4 12d 17d
WARNING: bad unlock balance in folios_put_refs mm 4 1 21d 17d
BUG: sleeping function called from invalid context in shmem_undo_range mm 5 1 18d 17d 💬 2 [17d]
BUG: sleeping function called from invalid context in tlb_flush_mmu arch mm 5 1 18d 17d
possible deadlock in rhashtable_free_and_destroy mm 4 7 3d07h 20d PATCH [12d]
BUG: sleeping function called from invalid context in __zap_vma_range mm 5 3 11d 20d 💬 2 [20d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm 6 30 1d09h 24d 💬 5 [18d]
INFO: rcu detected stall in kcov_ioctl (3) mm 1 30 36d 32d 💬 1 [32d]
WARNING: bad unlock balance in lruvec_stat_mod_folio cgroups mm 4 1 38d 34d PATCH [26d]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm 19 8 40d 41d 💬 3 [41d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 C error 7163 now 42d PATCH [17d]
general protection fault in zap_huge_pmd mm 2 C 7 52d 54d 💬 9 [53d]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 8 5d17h 56d 💬 3 [56d]
possible deadlock in mfill_get_vma mm 4 C 290 3d14h 57d PATCH [56d]
WARNING: suspicious RCU usage in usb_tx_block mm 4 4 30d 63d
INFO: rcu detected stall in __dentry_kill mm 1 107 12h05m 69d
possible deadlock in lock_mm_and_find_vma (4) mm 4 1307 5m 74d 💬 2 [19d]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 80d 76d
WARNING in __kfence_free (4) mm kasan -1 1 80d 76d
WARNING in __put_task_struct (6) mm -1 5 30d 77d
kernel BUG in __page_table_check_zero (3) mm -1 256 14d 81d
INFO: rcu detected stall in sendfile64 mm 1 37 13d 85d
kernel BUG in __khugepaged_enter mm -1 5 88d 86d 💬 4 [83d]
KMSAN: uninit-value in follow_page_pte mm 7 1 91d 87d PATCH [17d]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 89d 88d 💬 6 [87d]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 92d 91d 💬 28 [7d00h]
BUG: Bad rss-counter state (6) mm -1 100 12d 92d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 4 31d 94d PATCH [7d08h]
kernel BUG in page_table_check_set (2) mm -1 642 8d09h 94d 💬 1 [93d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm 1 syz error error 2 20d 104d
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 106d 104d
WARNING in unlink_anon_vmas (2) mm -1 C error 30 49d 113d PATCH [113d]
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 92d 126d
KMSAN: uninit-value in swap_writeout mm 7 8 95d 140d PATCH [124d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 21 4d06h 140d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 50d 143d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 112d 147d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 syz 6 7d03h 154d PATCH [8d18h]
WARNING in sched_mm_cid_fork mm fs -1 C error error 332 97d 159d PATCH [138d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 10 45d 165d
WARNING in __page_table_check_ptes_set (3) mm -1 6 50d 179d
general protection fault in __rt_mutex_slowlock_locked mm 2 24 27d 181d
kernel BUG in filemap_fault (3) net mm -1 C error error 15 98d 194d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 6 2d01h 196d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 78 39d 201d
INFO: task hung in migrate_pages_batch (4) mm 1 120 31d 209d
WARNING in path_noexec (2) fs mm -1 C error 25558 4h55m 223d PATCH [212d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 72d 238d PATCH [228d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 71d 243d PATCH [240d]
INFO: rcu detected stall in sys_madvise (2) mm 1 56 7d18h 253d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 18 29d 256d PATCH [110d]
WARNING in __alloc_skb (4) mm -1 C 8 59d 256d PATCH [233d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 31 3d00h 257d 💬 1 [256d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 43 14d 262d 💬 7 [143d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 12 1d19h 280d
WARNING in trace_suspend_resume mm -1 C 3317 2h21m 284d 💬 1 [40d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 61d 286d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 111d 295d 💬 2 [294d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 61 7d02h 299d
INFO: rcu detected stall in linkwatch_event (5) mm net 1 syz error error 3 131d 319d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 500 11h36m 324d 💬 1 [286d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 11 18d 346d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 55 32d 361d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 127d 364d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error error 17 15d 372d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 121d 375d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 20d 381d
kernel BUG in __filemap_add_folio fs mm -1 C done 1943 7h49m 381d PATCH [144d]
BUG: soft lockup in sys_bpf mm 1 C error 155 48m 383d
INFO: task hung in page_cache_ra_order fs mm 1 C done 104 3h43m 384d 💬 1 [383d]
INFO: rcu detected stall in clone (7) mm 1 102 3d00h 410d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 124d 471d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 60d 492d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 10 11d 518d 💬 6 [427d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 55 19d 519d 💬 2 [265d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 489d 522d 💬 1 [480d]
INFO: rcu detected stall in sys_sendmmsg (7) mm 1 120 3h50m 527d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 104d 531d 💬 7 [175d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 61 13d 532d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 70 21d 532d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 131 27d 535d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 117 6d22h 547d
INFO: rcu detected stall in brk (2) mm 1 syz 3 26d 557d 💬 8 [556d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable error 115 7d08h 558d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 49 3d00h 570d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 167d 572d 💬 1 [571d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 285d 573d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done error 110 2d01h 577d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 83 9d10h 585d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 81d 590d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 235 2d16h 599d PATCH [581d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done error 77 62d 601d
INFO: rcu detected stall in x64_sys_call mm 1 C error 545 1d05h 609d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 415d 609d 💬 4 [570d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 409d 614d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 108d 616d 💬 1 [112d]
INFO: rcu detected stall in kcov_close mm 1 194 3d09h 637d
kernel panic: System is deadlocked on memory (2) mm 2 148 6d14h 637d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 112 3d01h 638d PATCH [581d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 83 1d12h 684d PATCH [465d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 701 27d 709d
WARNING in shmem_evict_inode (3) mm -1 84 10d 716d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 64 9d23h 717d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 362 12d 720d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 137d 729d 💬 5 [671d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 661d 767d 💬 2 [647d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 408 1d06h 773d 💬 10 [320d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 155d 811d
BUG: soft lockup in pipe_read mm fs 1 syz 5 460d 837d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 691 2d19h 853d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 247 2d11h 874d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 231 3d01h 893d 💬 6 [888d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 627d 910d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 140 1d23h 912d 💬 1 [74d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 669d 950d PATCH [290d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 59d 978d 💬 4 [207d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 582 1d22h 981d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm 1 C error 372 8d03h 1001d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 991 14h46m 1113d PATCH [49d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 530 1d14h 1294d 💬 1 [144d]
memory leak in xas_create mm 3 C 42 1h57m 1402d PATCH [168d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25877 17d 1507d 💬 2 [19d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1053d 1554d 💬 3 [1040d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1729d 2081d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1399d 2296d 💬 2 [2190d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __anon_vma_prepare / do_wp_page (3) mm 6 1 2d21h 2d21h
KCSAN: data-race in __mmput / copy_mm (3) mm 6 1 3d07h 3d07h
KCSAN: data-race in compact_zone / compact_zone (9) mm 6 1 5d02h 5d02h
KCSAN: data-race in folios_put_refs / need_mlock_drain (4) mm 6 1 8d19h 8d19h
KCSAN: data-race in mlock_folio / need_mlock_drain (10) mm 6 1 11d 11d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm 6 1 16d 16d
KASAN: slab-use-after-free Read in debug_check_no_obj_freed mm 19 1 22d 18d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm 6 11 6d00h 24d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm 6 17 1d01h 25d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs 6 2 27d 36d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 2 46d 50d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 55d 55d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) fs mm -1 3 48d 68d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs 6 3 5d00h 82d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 64 3d06h 114d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 8 23d 185d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 24 15d 239d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 19 24d 248d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 131 26d 379d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 414 26d 380d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 146 15d 406d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 150 14h50m 535d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 554 23h34m 537d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 928 1h46m 538d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 115 8h35m 571d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 203 12h29m 675d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 210 3h15m 675d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 151 4d17h 677d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 856 1d04h 734d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 89 34d 760d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 204 5d00h 763d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 173 16h20m 883d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2630 1h24m 884d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 962 16d 1586d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1870 12h39m 1609d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5295 1h32m 1780d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1659 3h37m 2054d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4149 22h05m 2343d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2532 3h39m 2349d
corrupted report (2) hfs kasan mm -1 1109079 5m 2952d