syzbot


mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 308
Parent subsystem(s): kernel (93)
Child subsystems: damon (0)
open (126):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ptdump_pte_entry mm 1 13d 4h11m
WARNING: locking bug in run_posix_cpu_timers mm 1 5d03h 1d03h
INFO: rcu detected stall in netlink_release (5) mm syz 1 7d14h 3d14h
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (2) fs mm 1 13d 13d
kernel BUG in alloc_hugetlb_folio_reserve mm 8 11d 16d PATCH [12h58m]
INFO: rcu detected stall in task_numa_work (2) mm C error 16 1d06h 16d
WARNING in vma_merge_existing_range mm 1 23d 19d 💬 7 [13d]
KASAN: slab-use-after-free Read in filemap_map_pages mm xfs C inconclusive 5 23d 19d 💬 1 [19d]
KCSAN: data-race in page_cache_async_ra / page_cache_async_ra fs mm 1 21d 21d
KCSAN: data-race in read_pages / read_pages (4) fs mm 2 19d 24d
KASAN: stack-out-of-bounds Read in save_stack mm 1 29d 25d
general protection fault in __memcg_kmem_charge_page cgroups mm 1 30d 26d
general protection fault in workingset_refault mm 8 27d 29d 💬 1 [27d]
possible deadlock in move_pages (2) mm C done 508 7d03h 29d
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 1 34d 30d
INFO: rcu detected stall in sys_mkdirat (2) mm 40 3d22h 34d
WARNING in __folio_rmap_sanity_checks (2) mm C inconclusive 9 23d 40d 💬 25 [7d05h]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 2 22d 42d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 5 44d 42d 💬 4 [16d]
INFO: rcu detected stall in sys_umount (3) mm syz 34 2d22h 43d
WARNING: locking bug in on mm 2 47d 43d
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 3 2d17h 44d
INFO: task hung in v9fs_evict_inode v9fs mm syz 24 3d08h 46d
possible deadlock in balance_pgdat (2) scsi mm C 4 13d 46d 💬 1 [4d07h]
KASAN: slab-use-after-free Read in lru_add mm 1 51d 47d
INFO: rcu detected stall in sys_symlinkat (5) mm syz 45 2d01h 47d
BUG: stack guard page was hit in sys_sendfile64 mm v9fs C 7 4d16h 48d
WARNING: locking bug in emon mm bpf 2 54d 50d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 59d 55d
KASAN: slab-use-after-free Read in folio_evictable (3) mm syz 12 17d 55d 💬 7 [36d]
INFO: rcu detected stall in sys_mmap (3) mm C error 18 1d09h 56d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 20 6d05h 56d
BUG: corrupted list in list_lru_add mm bcachefs syz 1 63d 59d
INFO: rcu detected stall in security_file_ioctl (9) mm 57 23h35m 59d
possible deadlock in try_to_wake_up (7) mm 1 64d 60d
WARNING in _xfs_buf_alloc mm 1 65d 61d
BUG: Bad page state in iomap_write_begin mm C 89 16h45m 61d 💬 4 [60d]
general protection fault in mas_store_prealloc mm C 11 47d 64d PATCH [61d]
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 3 23d 68d
kernel BUG in resv_map_release (3) mm C 6 16d 69d 💬 1 [69d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 79 18h09m 71d
BUG: unable to handle kernel paging request in schedule mm 14 9d22h 74d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 26 13h12m 75d PATCH [38d]
WARNING: locking bug in get_page_from_freelist mm sound syz 371 8h23m 77d 💬 1 [32d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 9 10d 77d
WARNING: locking bug in __set_page_owner mm C error 110471 14m 78d 💬 2 [28d]
INFO: rcu detected stall in brk (2) input mm usb syz 2 18d 81d 💬 8 [80d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 76 1d06h 81d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 37 20d 82d
kernel BUG in zap_huge_pmd mm C 2 87d 83d 💬 5 [83d]
WARNING in get_taint (2) mm C 363 56d 87d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 55d 87d 💬 5 [87d]
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 25 8d20h 94d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 7 18d 96d 💬 1 [95d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 20 1d20h 97d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 102d 98d 💬 6 [96d]
stack segment fault in folio_wait_writeback fs mm syz 4 98d 99d 💬 2 [97d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 57 6d06h 101d
KMSAN: uninit-value in swap_writepage mm 3 49d 102d 💬 2 [101d]
WARNING in vms_complete_munmap_vmas mm C 862 4h51m 104d 💬 1 [14d]
INFO: rcu detected stall in kswapd (3) mm C 5 22d 106d
WARNING in page_counter_cancel (5) mm C 5 7d16h 108d 💬 1 [107d]
INFO: rcu detected stall in kjournald2 (2) mm C error 60 6d06h 109d
BUG: unable to handle kernel paging request in clear_page_erms (6) virt mm net 2 44d 114d
INFO: rcu detected stall in vhci_release mm syz done 8 7d06h 114d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 114d 114d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 89 20h54m 119d 💬 4 [119d]
INFO: rcu detected stall in shmem_fault (6) mm 73 1d22h 123d PATCH [105d]
BUG: corrupted list in do_compact_page mm syz 21 33d 124d 💬 1 [109d]
INFO: rcu detected stall in sys_execve (6) mm syz done 44 6d10h 125d
BUG: corrupted list in add_to_unbuddied mm syz 28 77d 133d 💬 4 [94d]
KMSAN: uninit-value in sw842_compress mm C 32 2d15h 134d 💬 3 [67d]
INFO: task hung in hugetlb_fault mm C done 65 6d03h 135d 💬 2 [100d]
kernel BUG in z3fold_page_migrate mm syz 158 1d22h 138d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3622 2d10h 140d 💬 1 [14d]
general protection fault in ksm_do_scan mm 9 98d 146d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 42 1d04h 150d
INFO: task hung in hugetlb_wp mm C done 94 29d 157d
INFO: rcu detected stall in kcov_close mm 97 23h46m 161d
kernel panic: System is deadlocked on memory (2) mm 19 17d 161d
INFO: rcu detected stall in vm_mmap_pgoff mm 76 20h33m 162d PATCH [105d]
INFO: rcu detected stall in kcov_ioctl (2) mm 78 14d 175d 💬 2 [174d]
BUG: Bad page map (8) mm C done done 10 2d22h 185d 💬 10 [24d]
general protection fault in khugepaged (3) mm 13 82d 191d
INFO: task hung in filemap_fault (6) mm 186 14d 195d
WARNING in __page_table_check_ptes_set (2) mm C done 120 7d12h 222d 💬 4 [112d]
WARNING: locking bug in __schedule mm 1439 5h18m 226d 💬 1 [14d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 10d 233d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 53d 233d 💬 2 [233d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 175d 238d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 139 3d13h 238d
WARNING in shmem_evict_inode (3) mm 22 27d 240d
INFO: rcu detected stall in sys_sendto (7) mm net C error 240 1d03h 244d
INFO: task hung in __lru_add_drain_all (2) mm syz 270 4d22h 247d
BUG: Bad rss-counter state (5) bcachefs mm C done 1050 1d02h 252d 💬 3 [14d]
INFO: rcu detected stall in validate_mm (3) mm C error 32 5d17h 253d 💬 5 [195d]
general protection fault in __pte_offset_map_lock mm C done done 90 40d 260d
possible deadlock in gup_fast_fallback mm C done 1371 now 274d 💬 1 [14d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 185d 291d 💬 2 [171d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 224 13h59m 297d 💬 10 [12h46m]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 94d 317d 💬 3 [171d]
WARNING in kunmap_local_indexed mm C 1380 182d 329d
INFO: rcu detected stall in sys_syslog (2) mm C error 35 9d07h 335d
BUG: soft lockup in pipe_read fs mm syz 4 221d 361d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 56d 377d
INFO: rcu detected stall in dput (8) mm C done 264 2d20h 386d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 80d 403d
INFO: rcu detected stall in sys_socket (10) mm C done 102 1d07h 417d 💬 6 [412d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 151d 433d
INFO: rcu detected stall in worker_thread (9) mm C done 3161 11m 471d PATCH [464d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 193d 474d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10409 3d11h 484d PATCH [200d]
kernel BUG in filemap_unaccount_folio mm C done done 151 7d07h 502d 💬 4 [47d]
INFO: rcu detected stall in sys_openat (3) mm C error 352 2d00h 505d
INFO: rcu detected stall in sys_unlink (3) mm C error 167 1d11h 525d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 63d 637d 💬 21 [77d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 368 23h47m 637d 💬 6 [109d]
possible deadlock in page_cache_ra_unbounded mm fs C error 163 17h12m 761d
possible deadlock in filemap_fault mm C done 2517 6m 808d 💬 4 [14d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 383 6h10m 818d 💬 1 [160d]
memory leak in xas_create mm C 15 397d 926d 💬 9 [432d]
WARNING in ext4_dirty_folio mm C inconclusive done 25801 2d01h 1031d 💬 2 [14d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 577d 1078d 💬 3 [564d]
INFO: rcu detected stall in corrupted (4) net mm C done inconclusive 635 1d18h 1599d 💬 7 [46d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1253d 1605d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 923d 1820d 💬 2 [1714d]
moderation (48):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel paging request in __folio_batch_add_and_move mm 2 5h39m 10d
general protection fault in debug_check_no_obj_freed (8) mm 1 15d 11d
KCSAN: data-race in compact_zone / compact_zone (7) mm 1 15d 15d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes mm 2 12d 16d
general protection fault in trace_event_raw_event_hugetlbfs_alloc_inode fs mm 1 25d 21d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark fs mm 2 14m 21d
KCSAN: data-race in do_sync_mmap_readahead / read_pages (3) mm 1 25d 25d
kernel panic: stack is corrupted in lock_acquire (4) mm cgroups 1 29d 25d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 3 14h18m 28d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (3) mm 2 8d14h 31d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 2 21d 41d
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 10 1d15h 42d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 3 1d21h 47d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 54d 54d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 55d 55d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 3 36d 55d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 18 20h08m 59d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 3 1d22h 60d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 78 5m 61d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 17 5d02h 62d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 3 38d 62d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 137 4h44m 62d
BUG: workqueue leaked atomic, lock or RCU: syz.NUM.NUM[NUM] mm usb 4 19d 66d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 6 34d 73d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 16 8d10h 95d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 13 12d 98d
INFO: task hung in writeback_iter fs mm 145 3d12h 112d
KCSAN: data-race in getrusage / vms_clear_ptes mm 49 1d21h 119d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 4 12d 125d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 13 11d 189d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 54 7h56m 199d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 51 15h04m 199d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 45 10h00m 201d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 219 4h18m 258d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 49 2d05h 284d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 85 1d01h 287d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 194 18h32m 374d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 465 1d09h 376d
KCSAN: data-race in call_rcu / mtree_range_walk mm 714 7h50m 376d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 516 6m 376d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 880 56m 408d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 841 2d22h 1110d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1115 1h00m 1133d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4381 1h03m 1304d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1471 1d21h 1578d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4046 4d02h 1867d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1657 46m 1873d
corrupted report (2) mm 808372 now 2476d